From 5a75fbed8a4a86b612c9ecb83f78ca59e43e2838 Mon Sep 17 00:00:00 2001 From: Alan Antonuk Date: Tue, 6 Apr 2021 03:28:15 +0000 Subject: Move public header files to include directory Signed-off-by: GitHub --- include/amqp.h | 2539 +++++++++++++++++++++++++++++++++++++++++++++ include/amqp_framing.h | 1144 ++++++++++++++++++++ include/amqp_ssl_socket.h | 298 ++++++ include/amqp_tcp_socket.h | 68 ++ 4 files changed, 4049 insertions(+) create mode 100644 include/amqp.h create mode 100644 include/amqp_framing.h create mode 100644 include/amqp_ssl_socket.h create mode 100644 include/amqp_tcp_socket.h (limited to 'include') diff --git a/include/amqp.h b/include/amqp.h new file mode 100644 index 0000000..532f731 --- /dev/null +++ b/include/amqp.h @@ -0,0 +1,2539 @@ +/** \file */ +/* + * ***** BEGIN LICENSE BLOCK ***** + * Version: MIT + * + * Portions created by Alan Antonuk are Copyright (c) 2012-2014 + * Alan Antonuk. All Rights Reserved. + * + * Portions created by VMware are Copyright (c) 2007-2012 VMware, Inc. + * All Rights Reserved. + * + * Portions created by Tony Garnock-Jones are Copyright (c) 2009-2010 + * VMware, Inc. and Tony Garnock-Jones. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * ***** END LICENSE BLOCK ***** + */ + +#ifndef AMQP_H +#define AMQP_H + +/** \cond HIDE_FROM_DOXYGEN */ + +#ifdef __cplusplus +#define AMQP_BEGIN_DECLS extern "C" { +#define AMQP_END_DECLS } +#else +#define AMQP_BEGIN_DECLS +#define AMQP_END_DECLS +#endif + +/* + * \internal + * Important API decorators: + * AMQP_PUBLIC_FUNCTION - a public API function + * AMQP_PUBLIC_VARIABLE - a public API external variable + * AMQP_CALL - calling convension (used on Win32) + */ + +#if defined(_WIN32) && defined(_MSC_VER) +#if defined(AMQP_BUILD) && !defined(AMQP_STATIC) +#define AMQP_PUBLIC_FUNCTION __declspec(dllexport) +#define AMQP_PUBLIC_VARIABLE __declspec(dllexport) extern +#else +#define AMQP_PUBLIC_FUNCTION +#if !defined(AMQP_STATIC) +#define AMQP_PUBLIC_VARIABLE __declspec(dllimport) extern +#else +#define AMQP_PUBLIC_VARIABLE extern +#endif +#endif +#define AMQP_CALL __cdecl + +#elif defined(_WIN32) && defined(__BORLANDC__) +#if defined(AMQP_BUILD) && !defined(AMQP_STATIC) +#define AMQP_PUBLIC_FUNCTION __declspec(dllexport) +#define AMQP_PUBLIC_VARIABLE __declspec(dllexport) extern +#else +#define AMQP_PUBLIC_FUNCTION +#if !defined(AMQP_STATIC) +#define AMQP_PUBLIC_VARIABLE __declspec(dllimport) extern +#else +#define AMQP_PUBLIC_VARIABLE extern +#endif +#endif +#define AMQP_CALL __cdecl + +#elif defined(_WIN32) && defined(__MINGW32__) +#if defined(AMQP_BUILD) && !defined(AMQP_STATIC) +#define AMQP_PUBLIC_FUNCTION __declspec(dllexport) +#define AMQP_PUBLIC_VARIABLE __declspec(dllexport) extern +#else +#define AMQP_PUBLIC_FUNCTION +#if !defined(AMQP_STATIC) +#define AMQP_PUBLIC_VARIABLE __declspec(dllimport) extern +#else +#define AMQP_PUBLIC_VARIABLE extern +#endif +#endif +#define AMQP_CALL __cdecl + +#elif defined(_WIN32) && defined(__CYGWIN__) +#if defined(AMQP_BUILD) && !defined(AMQP_STATIC) +#define AMQP_PUBLIC_FUNCTION __declspec(dllexport) +#define AMQP_PUBLIC_VARIABLE __declspec(dllexport) +#else +#define AMQP_PUBLIC_FUNCTION +#if !defined(AMQP_STATIC) +#define AMQP_PUBLIC_VARIABLE __declspec(dllimport) extern +#else +#define AMQP_PUBLIC_VARIABLE extern +#endif +#endif +#define AMQP_CALL __cdecl + +#elif defined(__GNUC__) && __GNUC__ >= 4 +#define AMQP_PUBLIC_FUNCTION __attribute__((visibility("default"))) +#define AMQP_PUBLIC_VARIABLE __attribute__((visibility("default"))) extern +#define AMQP_CALL +#else +#define AMQP_PUBLIC_FUNCTION +#define AMQP_PUBLIC_VARIABLE extern +#define AMQP_CALL +#endif + +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) +#define AMQP_DEPRECATED(function) function __attribute__((__deprecated__)) +#elif defined(_MSC_VER) +#define AMQP_DEPRECATED(function) __declspec(deprecated) function +#else +#define AMQP_DEPRECATED(function) +#endif + +/* Define ssize_t on Win32/64 platforms + See: http://lists.cs.uiuc.edu/pipermail/llvmdev/2010-April/030649.html for + details + */ +#if !defined(_W64) +#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 +#define _W64 __w64 +#else +#define _W64 +#endif +#endif + +#ifdef _MSC_VER +#ifdef _WIN64 +typedef __int64 ssize_t; +#else +typedef _W64 int ssize_t; +#endif +#endif + +#if defined(_WIN32) && defined(__MINGW32__) +#include +#endif + +/** \endcond */ + +#include +#include + +struct timeval; + +AMQP_BEGIN_DECLS + +/** + * \def AMQP_VERSION_MAJOR + * + * Major library version number compile-time constant + * + * The major version is incremented when backwards incompatible API changes + * are made. + * + * \sa AMQP_VERSION, AMQP_VERSION_STRING + * + * \since v0.4.0 + */ + +/** + * \def AMQP_VERSION_MINOR + * + * Minor library version number compile-time constant + * + * The minor version is incremented when new APIs are added. Existing APIs + * are left alone. + * + * \sa AMQP_VERSION, AMQP_VERSION_STRING + * + * \since v0.4.0 + */ + +/** + * \def AMQP_VERSION_PATCH + * + * Patch library version number compile-time constant + * + * The patch version is incremented when library code changes, but the API + * is not changed. + * + * \sa AMQP_VERSION, AMQP_VERSION_STRING + * + * \since v0.4.0 + */ + +/** + * \def AMQP_VERSION_IS_RELEASE + * + * Version constant set to 1 for tagged release, 0 otherwise + * + * NOTE: versions that are not tagged releases are not guaranteed to be API/ABI + * compatible with older releases, and may change commit-to-commit. + * + * \sa AMQP_VERSION, AMQP_VERSION_STRING + * + * \since v0.4.0 + */ +/* + * Developer note: when changing these, be sure to update SOVERSION constants + * in CMakeLists.txt and configure.ac + */ + +#define AMQP_VERSION_MAJOR 0 +#define AMQP_VERSION_MINOR 12 +#define AMQP_VERSION_PATCH 0 +#define AMQP_VERSION_IS_RELEASE 0 + +/** + * \def AMQP_VERSION_CODE + * + * Helper macro to geneate a packed version code suitable for + * comparison with AMQP_VERSION. + * + * \sa amqp_version_number() AMQP_VERSION_MAJOR, AMQP_VERSION_MINOR, + * AMQP_VERSION_PATCH, AMQP_VERSION_IS_RELEASE, AMQP_VERSION + * + * \since v0.6.1 + */ +#define AMQP_VERSION_CODE(major, minor, patch, release) \ + ((major << 24) | (minor << 16) | (patch << 8) | (release)) + +/** + * \def AMQP_VERSION + * + * Packed version number + * + * AMQP_VERSION is a 4-byte unsigned integer with the most significant byte + * set to AMQP_VERSION_MAJOR, the second most significant byte set to + * AMQP_VERSION_MINOR, third most significant byte set to AMQP_VERSION_PATCH, + * and the lowest byte set to AMQP_VERSION_IS_RELEASE. + * + * For example version 2.3.4 which is released version would be encoded as + * 0x02030401 + * + * \sa amqp_version_number() AMQP_VERSION_MAJOR, AMQP_VERSION_MINOR, + * AMQP_VERSION_PATCH, AMQP_VERSION_IS_RELEASE, AMQP_VERSION_CODE + * + * \since v0.4.0 + */ +#define AMQP_VERSION \ + AMQP_VERSION_CODE(AMQP_VERSION_MAJOR, AMQP_VERSION_MINOR, \ + AMQP_VERSION_PATCH, AMQP_VERSION_IS_RELEASE) + +/** \cond HIDE_FROM_DOXYGEN */ +#define AMQ_STRINGIFY(s) AMQ_STRINGIFY_HELPER(s) +#define AMQ_STRINGIFY_HELPER(s) #s + +#define AMQ_VERSION_STRING \ + AMQ_STRINGIFY(AMQP_VERSION_MAJOR) \ + "." AMQ_STRINGIFY(AMQP_VERSION_MINOR) "." AMQ_STRINGIFY(AMQP_VERSION_PATCH) +/** \endcond */ + +/** + * \def AMQP_VERSION_STRING + * + * Version string compile-time constant + * + * Non-released versions of the library will have "-pre" appended to the + * version string + * + * \sa amqp_version() + * + * \since v0.4.0 + */ +#if AMQP_VERSION_IS_RELEASE +#define AMQP_VERSION_STRING AMQ_VERSION_STRING +#else +#define AMQP_VERSION_STRING AMQ_VERSION_STRING "-pre" +#endif + +/** + * Returns the rabbitmq-c version as a packed integer. + * + * See \ref AMQP_VERSION + * + * \return packed 32-bit integer representing version of library at runtime + * + * \sa AMQP_VERSION, amqp_version() + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +uint32_t AMQP_CALL amqp_version_number(void); + +/** + * Returns the rabbitmq-c version as a string. + * + * See \ref AMQP_VERSION_STRING + * + * \return a statically allocated string describing the version of rabbitmq-c. + * + * \sa amqp_version_number(), AMQP_VERSION_STRING, AMQP_VERSION + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +char const *AMQP_CALL amqp_version(void); + +/** + * \def AMQP_DEFAULT_FRAME_SIZE + * + * Default frame size (128Kb) + * + * \sa amqp_login(), amqp_login_with_properties() + * + * \since v0.4.0 + */ +#define AMQP_DEFAULT_FRAME_SIZE 131072 + +/** + * \def AMQP_DEFAULT_MAX_CHANNELS + * + * Default maximum number of channels (2047, RabbitMQ default limit of 2048, + * minus 1 for channel 0). RabbitMQ set a default limit of 2048 channels per + * connection in v3.7.5 to prevent broken clients from leaking too many + * channels. + * + * \sa amqp_login(), amqp_login_with_properties() + * + * \since v0.4.0 + */ +#define AMQP_DEFAULT_MAX_CHANNELS 2047 + +/** + * \def AMQP_DEFAULT_HEARTBEAT + * + * Default heartbeat interval (0, heartbeat disabled) + * + * \sa amqp_login(), amqp_login_with_properties() + * + * \since v0.4.0 + */ +#define AMQP_DEFAULT_HEARTBEAT 0 + +/** + * \def AMQP_DEFAULT_VHOST + * + * Default RabbitMQ vhost: "/" + * + * \sa amqp_login(), amqp_login_with_properties() + * + * \since v0.9.0 + */ +#define AMQP_DEFAULT_VHOST "/" + +/** + * boolean type 0 = false, true otherwise + * + * \since v0.1 + */ +typedef int amqp_boolean_t; + +/** + * Method number + * + * \since v0.1 + */ +typedef uint32_t amqp_method_number_t; + +/** + * Bitmask for flags + * + * \since v0.1 + */ +typedef uint32_t amqp_flags_t; + +/** + * Channel type + * + * \since v0.1 + */ +typedef uint16_t amqp_channel_t; + +/** + * Buffer descriptor + * + * \since v0.1 + */ +typedef struct amqp_bytes_t_ { + size_t len; /**< length of the buffer in bytes */ + void *bytes; /**< pointer to the beginning of the buffer */ +} amqp_bytes_t; + +/** + * Decimal data type + * + * \since v0.1 + */ +typedef struct amqp_decimal_t_ { + uint8_t decimals; /**< the location of the decimal point */ + uint32_t value; /**< the value before the decimal point is applied */ +} amqp_decimal_t; + +/** + * AMQP field table + * + * An AMQP field table is a set of key-value pairs. + * A key is a UTF-8 encoded string up to 128 bytes long, and are not null + * terminated. + * A value can be one of several different datatypes. \sa + * amqp_field_value_kind_t + * + * \sa amqp_table_entry_t + * + * \since v0.1 + */ +typedef struct amqp_table_t_ { + int num_entries; /**< length of entries array */ + struct amqp_table_entry_t_ *entries; /**< an array of table entries */ +} amqp_table_t; + +/** + * An AMQP Field Array + * + * A repeated set of field values, all must be of the same type + * + * \since v0.1 + */ +typedef struct amqp_array_t_ { + int num_entries; /**< Number of entries in the table */ + struct amqp_field_value_t_ *entries; /**< linked list of field values */ +} amqp_array_t; + +/* + 0-9 0-9-1 Qpid/Rabbit Type Remarks +--------------------------------------------------------------------------- + t t Boolean + b b Signed 8-bit + B Unsigned 8-bit + U s Signed 16-bit (A1) + u Unsigned 16-bit + I I I Signed 32-bit + i Unsigned 32-bit + L l Signed 64-bit (B) + l Unsigned 64-bit + f f 32-bit float + d d 64-bit float + D D D Decimal + s Short string (A2) + S S S Long string + A Nested Array + T T T Timestamp (u64) + F F F Nested Table + V V V Void + x Byte array + +Remarks: + + A1, A2: Notice how the types **CONFLICT** here. In Qpid and Rabbit, + 's' means a signed 16-bit integer; in 0-9-1, it means a + short string. + + B: Notice how the signednesses **CONFLICT** here. In Qpid and Rabbit, + 'l' means a signed 64-bit integer; in 0-9-1, it means an unsigned + 64-bit integer. + +I'm going with the Qpid/Rabbit types, where there's a conflict, and +the 0-9-1 types otherwise. 0-8 is a subset of 0-9, which is a subset +of the other two, so this will work for both 0-8 and 0-9-1 branches of +the code. +*/ + +/** + * A field table value + * + * \since v0.1 + */ +typedef struct amqp_field_value_t_ { + uint8_t kind; /**< the type of the entry /sa amqp_field_value_kind_t */ + union { + amqp_boolean_t boolean; /**< boolean type AMQP_FIELD_KIND_BOOLEAN */ + int8_t i8; /**< int8_t type AMQP_FIELD_KIND_I8 */ + uint8_t u8; /**< uint8_t type AMQP_FIELD_KIND_U8 */ + int16_t i16; /**< int16_t type AMQP_FIELD_KIND_I16 */ + uint16_t u16; /**< uint16_t type AMQP_FIELD_KIND_U16 */ + int32_t i32; /**< int32_t type AMQP_FIELD_KIND_I32 */ + uint32_t u32; /**< uint32_t type AMQP_FIELD_KIND_U32 */ + int64_t i64; /**< int64_t type AMQP_FIELD_KIND_I64 */ + uint64_t u64; /**< uint64_t type AMQP_FIELD_KIND_U64, + AMQP_FIELD_KIND_TIMESTAMP */ + float f32; /**< float type AMQP_FIELD_KIND_F32 */ + double f64; /**< double type AMQP_FIELD_KIND_F64 */ + amqp_decimal_t decimal; /**< amqp_decimal_t AMQP_FIELD_KIND_DECIMAL */ + amqp_bytes_t bytes; /**< amqp_bytes_t type AMQP_FIELD_KIND_UTF8, + AMQP_FIELD_KIND_BYTES */ + amqp_table_t table; /**< amqp_table_t type AMQP_FIELD_KIND_TABLE */ + amqp_array_t array; /**< amqp_array_t type AMQP_FIELD_KIND_ARRAY */ + } value; /**< a union of the value */ +} amqp_field_value_t; + +/** + * An entry in a field-table + * + * \sa amqp_table_encode(), amqp_table_decode(), amqp_table_clone() + * + * \since v0.1 + */ +typedef struct amqp_table_entry_t_ { + amqp_bytes_t key; /**< the table entry key. Its a null-terminated UTF-8 + * string, with a maximum size of 128 bytes */ + amqp_field_value_t value; /**< the table entry values */ +} amqp_table_entry_t; + +/** + * Field value types + * + * \since v0.1 + */ +typedef enum { + AMQP_FIELD_KIND_BOOLEAN = + 't', /**< boolean type. 0 = false, 1 = true @see amqp_boolean_t */ + AMQP_FIELD_KIND_I8 = 'b', /**< 8-bit signed integer, datatype: int8_t */ + AMQP_FIELD_KIND_U8 = 'B', /**< 8-bit unsigned integer, datatype: uint8_t */ + AMQP_FIELD_KIND_I16 = 's', /**< 16-bit signed integer, datatype: int16_t */ + AMQP_FIELD_KIND_U16 = 'u', /**< 16-bit unsigned integer, datatype: uint16_t */ + AMQP_FIELD_KIND_I32 = 'I', /**< 32-bit signed integer, datatype: int32_t */ + AMQP_FIELD_KIND_U32 = 'i', /**< 32-bit unsigned integer, datatype: uint32_t */ + AMQP_FIELD_KIND_I64 = 'l', /**< 64-bit signed integer, datatype: int64_t */ + AMQP_FIELD_KIND_U64 = 'L', /**< 64-bit unsigned integer, datatype: uint64_t */ + AMQP_FIELD_KIND_F32 = + 'f', /**< single-precision floating point value, datatype: float */ + AMQP_FIELD_KIND_F64 = + 'd', /**< double-precision floating point value, datatype: double */ + AMQP_FIELD_KIND_DECIMAL = + 'D', /**< amqp-decimal value, datatype: amqp_decimal_t */ + AMQP_FIELD_KIND_UTF8 = 'S', /**< UTF-8 null-terminated character string, + datatype: amqp_bytes_t */ + AMQP_FIELD_KIND_ARRAY = 'A', /**< field array (repeated values of another + datatype. datatype: amqp_array_t */ + AMQP_FIELD_KIND_TIMESTAMP = 'T', /**< 64-bit timestamp. datatype uint64_t */ + AMQP_FIELD_KIND_TABLE = 'F', /**< field table. encapsulates a table inside a + table entry. datatype: amqp_table_t */ + AMQP_FIELD_KIND_VOID = 'V', /**< empty entry */ + AMQP_FIELD_KIND_BYTES = + 'x' /**< unformatted byte string, datatype: amqp_bytes_t */ +} amqp_field_value_kind_t; + +/** + * A list of allocation blocks + * + * \since v0.1 + */ +typedef struct amqp_pool_blocklist_t_ { + int num_blocks; /**< Number of blocks in the block list */ + void **blocklist; /**< Array of memory blocks */ +} amqp_pool_blocklist_t; + +/** + * A memory pool + * + * \since v0.1 + */ +typedef struct amqp_pool_t_ { + size_t pagesize; /**< the size of the page in bytes. Allocations less than or + * equal to this size are allocated in the pages block list. + * Allocations greater than this are allocated in their own + * own block in the large_blocks block list */ + + amqp_pool_blocklist_t pages; /**< blocks that are the size of pagesize */ + amqp_pool_blocklist_t large_blocks; /**< allocations larger than the pagesize + */ + + int next_page; /**< an index to the next unused page block */ + char *alloc_block; /**< pointer to the current allocation block */ + size_t alloc_used; /**< number of bytes in the current allocation block that + has been used */ +} amqp_pool_t; + +/** + * An amqp method + * + * \since v0.1 + */ +typedef struct amqp_method_t_ { + amqp_method_number_t id; /**< the method id number */ + void *decoded; /**< pointer to the decoded method, + * cast to the appropriate type to use */ +} amqp_method_t; + +/** + * An AMQP frame + * + * \since v0.1 + */ +typedef struct amqp_frame_t_ { + uint8_t frame_type; /**< frame type. The types: + * - AMQP_FRAME_METHOD - use the method union member + * - AMQP_FRAME_HEADER - use the properties union member + * - AMQP_FRAME_BODY - use the body_fragment union member + */ + amqp_channel_t channel; /**< the channel the frame was received on */ + union { + amqp_method_t method; /**< a method, use if frame_type == AMQP_FRAME_METHOD + */ + struct { + uint16_t class_id; /**< the class for the properties */ + uint64_t body_size; /**< size of the body in bytes */ + void *decoded; /**< the decoded properties */ + amqp_bytes_t raw; /**< amqp-encoded properties structure */ + } properties; /**< message header, a.k.a., properties, + use if frame_type == AMQP_FRAME_HEADER */ + amqp_bytes_t body_fragment; /**< a body fragment, use if frame_type == + AMQP_FRAME_BODY */ + struct { + uint8_t transport_high; /**< @internal first byte of handshake */ + uint8_t transport_low; /**< @internal second byte of handshake */ + uint8_t protocol_version_major; /**< @internal third byte of handshake */ + uint8_t protocol_version_minor; /**< @internal fourth byte of handshake */ + } protocol_header; /**< Used only when doing the initial handshake with the + broker, don't use otherwise */ + } payload; /**< the payload of the frame */ +} amqp_frame_t; + +/** + * Response type + * + * \since v0.1 + */ +typedef enum amqp_response_type_enum_ { + AMQP_RESPONSE_NONE = 0, /**< the library got an EOF from the socket */ + AMQP_RESPONSE_NORMAL, /**< response normal, the RPC completed successfully */ + AMQP_RESPONSE_LIBRARY_EXCEPTION, /**< library error, an error occurred in the + library, examine the library_error */ + AMQP_RESPONSE_SERVER_EXCEPTION /**< server exception, the broker returned an + error, check replay */ +} amqp_response_type_enum; + +/** + * Reply from a RPC method on the broker + * + * \since v0.1 + */ +typedef struct amqp_rpc_reply_t_ { + amqp_response_type_enum reply_type; /**< the reply type: + * - AMQP_RESPONSE_NORMAL - the RPC + * completed successfully + * - AMQP_RESPONSE_SERVER_EXCEPTION - the + * broker returned + * an exception, check the reply field + * - AMQP_RESPONSE_LIBRARY_EXCEPTION - the + * library + * encountered an error, check the + * library_error field + */ + amqp_method_t reply; /**< in case of AMQP_RESPONSE_SERVER_EXCEPTION this + * field will be set to the method returned from the + * broker */ + int library_error; /**< in case of AMQP_RESPONSE_LIBRARY_EXCEPTION this + * field will be set to an error code. An error + * string can be retrieved using amqp_error_string */ +} amqp_rpc_reply_t; + +/** + * SASL method type + * + * \since v0.1 + */ +typedef enum amqp_sasl_method_enum_ { + AMQP_SASL_METHOD_UNDEFINED = -1, /**< Invalid SASL method */ + AMQP_SASL_METHOD_PLAIN = + 0, /**< the PLAIN SASL method for authentication to the broker */ + AMQP_SASL_METHOD_EXTERNAL = + 1 /**< the EXTERNAL SASL method for authentication to the broker */ +} amqp_sasl_method_enum; + +/** + * connection state object + * + * \since v0.1 + */ +typedef struct amqp_connection_state_t_ *amqp_connection_state_t; + +/** + * Socket object + * + * \since v0.4.0 + */ +typedef struct amqp_socket_t_ amqp_socket_t; + +/** + * Status codes + * + * \since v0.4.0 + */ +/* NOTE: When updating this enum, update the strings in librabbitmq/amqp_api.c + */ +typedef enum amqp_status_enum_ { + AMQP_STATUS_OK = 0x0, /**< Operation successful */ + AMQP_STATUS_NO_MEMORY = -0x0001, /**< Memory allocation + failed */ + AMQP_STATUS_BAD_AMQP_DATA = -0x0002, /**< Incorrect or corrupt + data was received from + the broker. This is a + protocol error. */ + AMQP_STATUS_UNKNOWN_CLASS = -0x0003, /**< An unknown AMQP class + was received. This is + a protocol error. */ + AMQP_STATUS_UNKNOWN_METHOD = -0x0004, /**< An unknown AMQP method + was received. This is + a protocol error. */ + AMQP_STATUS_HOSTNAME_RESOLUTION_FAILED = -0x0005, /**< Unable to resolve the + * hostname */ + AMQP_STATUS_INCOMPATIBLE_AMQP_VERSION = -0x0006, /**< The broker advertised + an incompaible AMQP + version */ + AMQP_STATUS_CONNECTION_CLOSED = -0x0007, /**< The connection to the + broker has been closed + */ + AMQP_STATUS_BAD_URL = -0x0008, /**< malformed AMQP URL */ + AMQP_STATUS_SOCKET_ERROR = -0x0009, /**< A socket error + occurred */ + AMQP_STATUS_INVALID_PARAMETER = -0x000A, /**< An invalid parameter + was passed into the + function */ + AMQP_STATUS_TABLE_TOO_BIG = -0x000B, /**< The amqp_table_t object + cannot be serialized + because the output + buffer is too small */ + AMQP_STATUS_WRONG_METHOD = -0x000C, /**< The wrong method was + received */ + AMQP_STATUS_TIMEOUT = -0x000D, /**< Operation timed out */ + AMQP_STATUS_TIMER_FAILURE = -0x000E, /**< The underlying system + timer facility failed */ + AMQP_STATUS_HEARTBEAT_TIMEOUT = -0x000F, /**< Timed out waiting for + heartbeat */ + AMQP_STATUS_UNEXPECTED_STATE = -0x0010, /**< Unexpected protocol + state */ + AMQP_STATUS_SOCKET_CLOSED = -0x0011, /**< Underlying socket is + closed */ + AMQP_STATUS_SOCKET_INUSE = -0x0012, /**< Underlying socket is + already open */ + AMQP_STATUS_BROKER_UNSUPPORTED_SASL_METHOD = -0x0013, /**< Broker does not + support the requested + SASL mechanism */ + AMQP_STATUS_UNSUPPORTED = -0x0014, /**< Parameter is unsupported + in this version */ + _AMQP_STATUS_NEXT_VALUE = -0x0015, /**< Internal value */ + + AMQP_STATUS_TCP_ERROR = -0x0100, /**< A generic TCP error + occurred */ + AMQP_STATUS_TCP_SOCKETLIB_INIT_ERROR = -0x0101, /**< An error occurred trying + to initialize the + socket library*/ + _AMQP_STATUS_TCP_NEXT_VALUE = -0x0102, /**< Internal value */ + + AMQP_STATUS_SSL_ERROR = -0x0200, /**< A generic SSL error + occurred. */ + AMQP_STATUS_SSL_HOSTNAME_VERIFY_FAILED = -0x0201, /**< SSL validation of + hostname against + peer certificate + failed */ + AMQP_STATUS_SSL_PEER_VERIFY_FAILED = -0x0202, /**< SSL validation of peer + certificate failed. */ + AMQP_STATUS_SSL_CONNECTION_FAILED = -0x0203, /**< SSL handshake failed. */ + AMQP_STATUS_SSL_SET_ENGINE_FAILED = -0x0204, /**< SSL setting engine failed */ + _AMQP_STATUS_SSL_NEXT_VALUE = -0x0205 /**< Internal value */ +} amqp_status_enum; + +/** + * AMQP delivery modes. + * Use these values for the #amqp_basic_properties_t::delivery_mode field. + * + * \since v0.5 + */ +typedef enum { + AMQP_DELIVERY_NONPERSISTENT = 1, /**< Non-persistent message */ + AMQP_DELIVERY_PERSISTENT = 2 /**< Persistent message */ +} amqp_delivery_mode_enum; + +AMQP_END_DECLS + +#include + +AMQP_BEGIN_DECLS + +/** + * Empty bytes structure + * + * \since v0.2 + */ +AMQP_PUBLIC_VARIABLE const amqp_bytes_t amqp_empty_bytes; + +/** + * Empty table structure + * + * \since v0.2 + */ +AMQP_PUBLIC_VARIABLE const amqp_table_t amqp_empty_table; + +/** + * Empty table array structure + * + * \since v0.2 + */ +AMQP_PUBLIC_VARIABLE const amqp_array_t amqp_empty_array; + +/* Compatibility macros for the above, to avoid the need to update + code written against earlier versions of librabbitmq. */ + +/** + * \def AMQP_EMPTY_BYTES + * + * Deprecated, use \ref amqp_empty_bytes instead + * + * \deprecated use \ref amqp_empty_bytes instead + * + * \since v0.1 + */ +#define AMQP_EMPTY_BYTES amqp_empty_bytes + +/** + * \def AMQP_EMPTY_TABLE + * + * Deprecated, use \ref amqp_empty_table instead + * + * \deprecated use \ref amqp_empty_table instead + * + * \since v0.1 + */ +#define AMQP_EMPTY_TABLE amqp_empty_table + +/** + * \def AMQP_EMPTY_ARRAY + * + * Deprecated, use \ref amqp_empty_array instead + * + * \deprecated use \ref amqp_empty_array instead + * + * \since v0.1 + */ +#define AMQP_EMPTY_ARRAY amqp_empty_array + +/** + * Initializes an amqp_pool_t memory allocation pool for use + * + * Readies an allocation pool for use. An amqp_pool_t + * must be initialized before use + * + * \param [in] pool the amqp_pool_t structure to initialize. + * Calling this function on a pool a pool that has + * already been initialized will result in undefined + * behavior + * \param [in] pagesize the unit size that the pool will allocate + * memory chunks in. Anything allocated against the pool + * with a requested size will be carved out of a block + * this size. Allocations larger than this will be + * allocated individually + * + * \sa recycle_amqp_pool(), empty_amqp_pool(), amqp_pool_alloc(), + * amqp_pool_alloc_bytes(), amqp_pool_t + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL init_amqp_pool(amqp_pool_t *pool, size_t pagesize); + +/** + * Recycles an amqp_pool_t memory allocation pool + * + * Recycles the space allocate by the pool + * + * This invalidates all allocations made against the pool before this call is + * made, any use of any allocations made before recycle_amqp_pool() is called + * will result in undefined behavior. + * + * Note: this may or may not release memory, to force memory to be released + * call empty_amqp_pool(). + * + * \param [in] pool the amqp_pool_t to recycle + * + * \sa recycle_amqp_pool(), empty_amqp_pool(), amqp_pool_alloc(), + * amqp_pool_alloc_bytes() + * + * \since v0.1 + * + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL recycle_amqp_pool(amqp_pool_t *pool); + +/** + * Empties an amqp memory pool + * + * Releases all memory associated with an allocation pool + * + * \param [in] pool the amqp_pool_t to empty + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL empty_amqp_pool(amqp_pool_t *pool); + +/** + * Allocates a block of memory from an amqp_pool_t memory pool + * + * Memory will be aligned on a 8-byte boundary. If a 0-length allocation is + * requested, a NULL pointer will be returned. + * + * \param [in] pool the allocation pool to allocate the memory from + * \param [in] amount the size of the allocation in bytes. + * \return a pointer to the memory block, or NULL if the allocation cannot + * be satisfied. + * + * \sa init_amqp_pool(), recycle_amqp_pool(), empty_amqp_pool(), + * amqp_pool_alloc_bytes() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void *AMQP_CALL amqp_pool_alloc(amqp_pool_t *pool, size_t amount); + +/** + * Allocates a block of memory from an amqp_pool_t to an amqp_bytes_t + * + * Memory will be aligned on a 8-byte boundary. If a 0-length allocation is + * requested, output.bytes = NULL. + * + * \param [in] pool the allocation pool to allocate the memory from + * \param [in] amount the size of the allocation in bytes + * \param [in] output the location to store the pointer. On success + * output.bytes will be set to the beginning of the buffer + * output.len will be set to amount + * On error output.bytes will be set to NULL and output.len + * set to 0 + * + * \sa init_amqp_pool(), recycle_amqp_pool(), empty_amqp_pool(), + * amqp_pool_alloc() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_pool_alloc_bytes(amqp_pool_t *pool, size_t amount, + amqp_bytes_t *output); + +/** + * Wraps a c string in an amqp_bytes_t + * + * Takes a string, calculates its length and creates an + * amqp_bytes_t that points to it. The string is not duplicated. + * + * For a given input cstr, The amqp_bytes_t output.bytes is the + * same as cstr, output.len is the length of the string not including + * the \0 terminator + * + * This function uses strlen() internally so cstr must be properly + * terminated + * + * \param [in] cstr the c string to wrap + * \return an amqp_bytes_t that describes the string + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_bytes_t AMQP_CALL amqp_cstring_bytes(char const *cstr); + +/** + * Duplicates an amqp_bytes_t buffer. + * + * The buffer is cloned and the contents copied. + * + * The memory associated with the output is allocated + * with amqp_bytes_malloc() and should be freed with + * amqp_bytes_free() + * + * \param [in] src + * \return a clone of the src + * + * \sa amqp_bytes_free(), amqp_bytes_malloc() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_bytes_t AMQP_CALL amqp_bytes_malloc_dup(amqp_bytes_t src); + +/** + * Allocates a amqp_bytes_t buffer + * + * Creates an amqp_bytes_t buffer of the specified amount, the buffer should be + * freed using amqp_bytes_free() + * + * \param [in] amount the size of the buffer in bytes + * \returns an amqp_bytes_t with amount bytes allocated. + * output.bytes will be set to NULL on error + * + * \sa amqp_bytes_free(), amqp_bytes_malloc_dup() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_bytes_t AMQP_CALL amqp_bytes_malloc(size_t amount); + +/** + * Frees an amqp_bytes_t buffer + * + * Frees a buffer allocated with amqp_bytes_malloc() or amqp_bytes_malloc_dup() + * + * Calling amqp_bytes_free on buffers not allocated with one + * of those two functions will result in undefined behavior + * + * \param [in] bytes the buffer to free + * + * \sa amqp_bytes_malloc(), amqp_bytes_malloc_dup() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_bytes_free(amqp_bytes_t bytes); + +/** + * Allocate and initialize a new amqp_connection_state_t object + * + * amqp_connection_state_t objects created with this function + * should be freed with amqp_destroy_connection() + * + * \returns an opaque pointer on success, NULL or 0 on failure. + * + * \sa amqp_destroy_connection() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_connection_state_t AMQP_CALL amqp_new_connection(void); + +/** + * Get the underlying socket descriptor for the connection + * + * \warning Use the socket returned from this function carefully, incorrect use + * of the socket outside of the library will lead to undefined behavior. + * Additionally rabbitmq-c may use the socket differently version-to-version, + * what may work in one version, may break in the next version. Be sure to + * thoroughly test any applications that use the socket returned by this + * function especially when using a newer version of rabbitmq-c + * + * \param [in] state the connection object + * \returns the socket descriptor if one has been set, -1 otherwise + * + * \sa amqp_tcp_socket_new(), amqp_ssl_socket_new(), amqp_socket_open() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_get_sockfd(amqp_connection_state_t state); + +/** + * Deprecated, use amqp_tcp_socket_new() or amqp_ssl_socket_new() + * + * \deprecated Use amqp_tcp_socket_new() or amqp_ssl_socket_new() + * + * Sets the socket descriptor associated with the connection. The socket + * should be connected to a broker, and should not be read to or written from + * before calling this function. A socket descriptor can be created and opened + * using amqp_open_socket() + * + * \param [in] state the connection object + * \param [in] sockfd the socket + * + * \sa amqp_open_socket(), amqp_tcp_socket_new(), amqp_ssl_socket_new() + * + * \since v0.1 + */ +AMQP_DEPRECATED(AMQP_PUBLIC_FUNCTION void AMQP_CALL + amqp_set_sockfd(amqp_connection_state_t state, int sockfd)); + +/** + * Tune client side parameters + * + * \warning This function may call abort() if the connection is in a certain + * state. As such it should probably not be called code outside the library. + * connection parameters should be specified when calling amqp_login() or + * amqp_login_with_properties() + * + * This function changes channel_max, frame_max, and heartbeat parameters, on + * the client side only. It does not try to renegotiate these parameters with + * the broker. Using this function will lead to unexpected results. + * + * \param [in] state the connection object + * \param [in] channel_max the maximum number of channels. + * The largest this can be is 65535 + * \param [in] frame_max the maximum size of an frame. + * The smallest this can be is 4096 + * The largest this can be is 2147483647 + * Unless you know what you're doing the recommended + * size is 131072 or 128KB + * \param [in] heartbeat the number of seconds between heartbeats + * + * \return AMQP_STATUS_OK on success, an amqp_status_enum value otherwise. + * Possible error codes include: + * - AMQP_STATUS_NO_MEMORY memory allocation failed. + * - AMQP_STATUS_TIMER_FAILURE the underlying system timer indicated it + * failed. + * + * \sa amqp_login(), amqp_login_with_properties() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_tune_connection(amqp_connection_state_t state, + int channel_max, int frame_max, + int heartbeat); + +/** + * Get the maximum number of channels the connection can handle + * + * The maximum number of channels is set when connection negotiation takes + * place in amqp_login() or amqp_login_with_properties(). + * + * \param [in] state the connection object + * \return the maximum number of channels. 0 if there is no limit + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_get_channel_max(amqp_connection_state_t state); + +/** + * Get the maximum size of an frame the connection can handle + * + * The maximum size of an frame is set when connection negotiation takes + * place in amqp_login() or amqp_login_with_properties(). + * + * \param [in] state the connection object + * \return the maximum size of an frame. + * + * \since v0.6 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_get_frame_max(amqp_connection_state_t state); + +/** + * Get the number of seconds between heartbeats of the connection + * + * The number of seconds between heartbeats is set when connection + * negotiation takes place in amqp_login() or amqp_login_with_properties(). + * + * \param [in] state the connection object + * \return the number of seconds between heartbeats. + * + * \since v0.6 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_get_heartbeat(amqp_connection_state_t state); + +/** + * Destroys an amqp_connection_state_t object + * + * Destroys a amqp_connection_state_t object that was created with + * amqp_new_connection(). If the connection with the broker is open, it will be + * implicitly closed with a reply code of 200 (success). Any memory that + * would be freed with amqp_maybe_release_buffers() or + * amqp_maybe_release_buffers_on_channel() will be freed, and use of that + * memory will caused undefined behavior. + * + * \param [in] state the connection object + * \return AMQP_STATUS_OK on success. amqp_status_enum value failure + * + * \sa amqp_new_connection() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_destroy_connection(amqp_connection_state_t state); + +/** + * Process incoming data + * + * \warning This is a low-level function intended for those who want to + * have greater control over input and output over the socket from the + * broker. Correctly using this function requires in-depth knowledge of AMQP + * and rabbitmq-c. + * + * For a given buffer of data received from the broker, decode the first + * frame in the buffer. If more than one frame is contained in the input buffer + * the return value will be less than the received_data size, the caller should + * adjust received_data buffer descriptor to point to the beginning of the + * buffer + the return value. + * + * \param [in] state the connection object + * \param [in] received_data a buffer of data received from the broker. The + * function will return the number of bytes of the buffer it used. The + * function copies these bytes to an internal buffer: this part of the buffer + * may be reused after this function successfully completes. + * \param [in,out] decoded_frame caller should pass in a pointer to an + * amqp_frame_t struct. If there is enough data in received_data for a + * complete frame, decoded_frame->frame_type will be set to something OTHER + * than 0. decoded_frame may contain members pointing to memory owned by + * the state object. This memory can be recycled with + * amqp_maybe_release_buffers() or amqp_maybe_release_buffers_on_channel(). + * \return number of bytes consumed from received_data or 0 if a 0-length + * buffer was passed. A negative return value indicates failure. Possible + * errors: + * - AMQP_STATUS_NO_MEMORY failure in allocating memory. The library is likely + * in an indeterminate state making recovery unlikely. Client should note the + * error and terminate the application + * - AMQP_STATUS_BAD_AMQP_DATA bad AMQP data was received. The connection + * should be shutdown immediately + * - AMQP_STATUS_UNKNOWN_METHOD: an unknown method was received from the + * broker. This is likely a protocol error and the connection should be + * shutdown immediately + * - AMQP_STATUS_UNKNOWN_CLASS: a properties frame with an unknown class + * was received from the broker. This is likely a protocol error and the + * connection should be shutdown immediately + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_handle_input(amqp_connection_state_t state, + amqp_bytes_t received_data, + amqp_frame_t *decoded_frame); + +/** + * Check to see if connection memory can be released + * + * \deprecated This function is deprecated in favor of + * amqp_maybe_release_buffers() or amqp_maybe_release_buffers_on_channel() + * + * Checks the state of an amqp_connection_state_t object to see if + * amqp_release_buffers() can be called successfully. + * + * \param [in] state the connection object + * \returns TRUE if the buffers can be released FALSE otherwise + * + * \sa amqp_release_buffers() amqp_maybe_release_buffers() + * amqp_maybe_release_buffers_on_channel() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_boolean_t AMQP_CALL amqp_release_buffers_ok(amqp_connection_state_t state); + +/** + * Release amqp_connection_state_t owned memory + * + * \deprecated This function is deprecated in favor of + * amqp_maybe_release_buffers() or amqp_maybe_release_buffers_on_channel() + * + * \warning caller should ensure amqp_release_buffers_ok() returns true before + * calling this function. Failure to do so may result in abort() being called. + * + * Release memory owned by the amqp_connection_state_t for reuse by the + * library. Use of any memory returned by the library before this function is + * called will result in undefined behavior. + * + * \note internally rabbitmq-c tries to reuse memory when possible. As a result + * its possible calling this function may not have a noticeable effect on + * memory usage. + * + * \param [in] state the connection object + * + * \sa amqp_release_buffers_ok() amqp_maybe_release_buffers() + * amqp_maybe_release_buffers_on_channel() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_release_buffers(amqp_connection_state_t state); + +/** + * Release amqp_connection_state_t owned memory + * + * Release memory owned by the amqp_connection_state_t object related to any + * channel, allowing reuse by the library. Use of any memory returned by the + * library before this function is called with result in undefined behavior. + * + * \note internally rabbitmq-c tries to reuse memory when possible. As a result + * its possible calling this function may not have a noticeable effect on + * memory usage. + * + * \param [in] state the connection object + * + * \sa amqp_maybe_release_buffers_on_channel() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_maybe_release_buffers(amqp_connection_state_t state); + +/** + * Release amqp_connection_state_t owned memory related to a channel + * + * Release memory owned by the amqp_connection_state_t object related to the + * specified channel, allowing reuse by the library. Use of any memory returned + * the library for a specific channel will result in undefined behavior. + * + * \note internally rabbitmq-c tries to reuse memory when possible. As a result + * its possible calling this function may not have a noticeable effect on + * memory usage. + * + * \param [in] state the connection object + * \param [in] channel the channel specifier for which memory should be + * released. Note that the library does not care about the state of the + * channel when calling this function + * + * \sa amqp_maybe_release_buffers() + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_maybe_release_buffers_on_channel( + amqp_connection_state_t state, amqp_channel_t channel); + +/** + * Send a frame to the broker + * + * \param [in] state the connection object + * \param [in] frame the frame to send to the broker + * \return AMQP_STATUS_OK on success, an amqp_status_enum value on error. + * Possible error codes: + * - AMQP_STATUS_BAD_AMQP_DATA the serialized form of the method or + * properties was too large to fit in a single AMQP frame, or the + * method contains an invalid value. The frame was not sent. + * - AMQP_STATUS_TABLE_TOO_BIG the serialized form of an amqp_table_t is + * too large to fit in a single AMQP frame. Frame was not sent. + * - AMQP_STATUS_UNKNOWN_METHOD an invalid method type was passed in + * - AMQP_STATUS_UNKNOWN_CLASS an invalid properties type was passed in + * - AMQP_STATUS_TIMER_FAILURE system timer indicated failure. The frame + * was sent + * - AMQP_STATUS_SOCKET_ERROR + * - AMQP_STATUS_SSL_ERROR + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_send_frame(amqp_connection_state_t state, + amqp_frame_t const *frame); + +/** + * Compare two table entries + * + * Works just like strcmp(), comparing two the table keys, datatype, then values + * + * \param [in] entry1 the entry on the left + * \param [in] entry2 the entry on the right + * \return 0 if entries are equal, 0 < if left is greater, 0 > if right is + * greater + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_table_entry_cmp(void const *entry1, void const *entry2); + +/** + * Open a socket to a remote host + * + * \deprecated This function is deprecated in favor of amqp_socket_open() + * + * Looks up the hostname, then attempts to open a socket to the host using + * the specified portnumber. It also sets various options on the socket to + * improve performance and correctness. + * + * \param [in] hostname this can be a hostname or IP address. + * Both IPv4 and IPv6 are acceptable + * \param [in] portnumber the port to connect on. RabbitMQ brokers + * listen on port 5672, and 5671 for SSL + * \return a positive value indicates success and is the sockfd. A negative + * value (see amqp_status_enum)is returned on failure. Possible error codes: + * - AMQP_STATUS_TCP_SOCKETLIB_INIT_ERROR Initialization of underlying socket + * library failed. + * - AMQP_STATUS_HOSTNAME_RESOLUTION_FAILED hostname lookup failed. + * - AMQP_STATUS_SOCKET_ERROR a socket error occurred. errno or + * WSAGetLastError() may return more useful information. + * + * \note IPv6 support was added in v0.3 + * + * \sa amqp_socket_open() amqp_set_sockfd() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_open_socket(char const *hostname, int portnumber); + +/** + * Send initial AMQP header to the broker + * + * \warning this is a low level function intended for those who want to + * interact with the broker at a very low level. Use of this function without + * understanding what it does will result in AMQP protocol errors. + * + * This function sends the AMQP protocol header to the broker. + * + * \param [in] state the connection object + * \return AMQP_STATUS_OK on success, a negative value on failure. Possible + * error codes: + * - AMQP_STATUS_CONNECTION_CLOSED the connection to the broker was closed. + * - AMQP_STATUS_SOCKET_ERROR a socket error occurred. It is likely the + * underlying socket has been closed. errno or WSAGetLastError() may provide + * further information. + * - AMQP_STATUS_SSL_ERROR a SSL error occurred. The connection to the broker + * was closed. + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_send_header(amqp_connection_state_t state); + +/** + * Checks to see if there are any incoming frames ready to be read + * + * Checks to see if there are any amqp_frame_t objects buffered by the + * amqp_connection_state_t object. Having one or more frames buffered means + * that amqp_simple_wait_frame() or amqp_simple_wait_frame_noblock() will + * return a frame without potentially blocking on a read() call. + * + * \param [in] state the connection object + * \return TRUE if there are frames enqueued, FALSE otherwise + * + * \sa amqp_simple_wait_frame() amqp_simple_wait_frame_noblock() + * amqp_data_in_buffer() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_boolean_t AMQP_CALL amqp_frames_enqueued(amqp_connection_state_t state); + +/** + * Read a single amqp_frame_t + * + * Waits for the next amqp_frame_t frame to be read from the broker. + * This function has the potential to block for a long time in the case of + * waiting for a basic.deliver method frame from the broker. + * + * The library may buffer frames. When an amqp_connection_state_t object + * has frames buffered calling amqp_simple_wait_frame() will return an + * amqp_frame_t without entering a blocking read(). You can test to see if + * an amqp_connection_state_t object has frames buffered by calling the + * amqp_frames_enqueued() function. + * + * The library has a socket read buffer. When there is data in an + * amqp_connection_state_t read buffer, amqp_simple_wait_frame() may return an + * amqp_frame_t without entering a blocking read(). You can test to see if an + * amqp_connection_state_t object has data in its read buffer by calling the + * amqp_data_in_buffer() function. + * + * \param [in] state the connection object + * \param [out] decoded_frame the frame + * \return AMQP_STATUS_OK on success, an amqp_status_enum value + * is returned otherwise. Possible errors include: + * - AMQP_STATUS_NO_MEMORY failure in allocating memory. The library is likely + * in an indeterminate state making recovery unlikely. Client should note the + * error and terminate the application + * - AMQP_STATUS_BAD_AMQP_DATA bad AMQP data was received. The connection + * should be shutdown immediately + * - AMQP_STATUS_UNKNOWN_METHOD: an unknown method was received from the + * broker. This is likely a protocol error and the connection should be + * shutdown immediately + * - AMQP_STATUS_UNKNOWN_CLASS: a properties frame with an unknown class + * was received from the broker. This is likely a protocol error and the + * connection should be shutdown immediately + * - AMQP_STATUS_HEARTBEAT_TIMEOUT timed out while waiting for heartbeat + * from the broker. The connection has been closed. + * - AMQP_STATUS_TIMER_FAILURE system timer indicated failure. + * - AMQP_STATUS_SOCKET_ERROR a socket error occurred. The connection has + * been closed + * - AMQP_STATUS_SSL_ERROR a SSL socket error occurred. The connection has + * been closed. + * + * \sa amqp_simple_wait_frame_noblock() amqp_frames_enqueued() + * amqp_data_in_buffer() + * + * \note as of v0.4.0 this function will no longer return heartbeat frames + * when enabled by specifying a non-zero heartbeat value in amqp_login(). + * Heartbeating is handled internally by the library. + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_simple_wait_frame(amqp_connection_state_t state, + amqp_frame_t *decoded_frame); + +/** + * Read a single amqp_frame_t with a timeout. + * + * Waits for the next amqp_frame_t frame to be read from the broker, up to + * a timespan specified by tv. The function will return AMQP_STATUS_TIMEOUT + * if the timeout is reached. The tv value is not modified by the function. + * + * If a 0 timeval is specified, the function behaves as if its non-blocking: it + * will test to see if a frame can be read from the broker, and return + * immediately. + * + * If NULL is passed in for tv, the function will behave like + * amqp_simple_wait_frame() and block until a frame is received from the broker + * + * The library may buffer frames. When an amqp_connection_state_t object + * has frames buffered calling amqp_simple_wait_frame_noblock() will return an + * amqp_frame_t without entering a blocking read(). You can test to see if an + * amqp_connection_state_t object has frames buffered by calling the + * amqp_frames_enqueued() function. + * + * The library has a socket read buffer. When there is data in an + * amqp_connection_state_t read buffer, amqp_simple_wait_frame_noblock() may + * return + * an amqp_frame_t without entering a blocking read(). You can test to see if an + * amqp_connection_state_t object has data in its read buffer by calling the + * amqp_data_in_buffer() function. + * + * \note This function does not return heartbeat frames. When enabled, + * heartbeating is handled internally by the library. + * + * \param [in,out] state the connection object + * \param [out] decoded_frame the frame + * \param [in] tv the maximum time to wait for a frame to be read. Setting + * tv->tv_sec = 0 and tv->tv_usec = 0 will do a non-blocking read. Specifying + * NULL for tv will make the function block until a frame is read. + * \return AMQP_STATUS_OK on success. An amqp_status_enum value is returned + * otherwise. Possible errors include: + * - AMQP_STATUS_TIMEOUT the timeout was reached while waiting for a frame + * from the broker. + * - AMQP_STATUS_INVALID_PARAMETER the tv parameter contains an invalid value. + * - AMQP_STATUS_NO_MEMORY failure in allocating memory. The library is likely + * in an indeterminate state making recovery unlikely. Client should note the + * error and terminate the application + * - AMQP_STATUS_BAD_AMQP_DATA bad AMQP data was received. The connection + * should be shutdown immediately + * - AMQP_STATUS_UNKNOWN_METHOD: an unknown method was received from the + * broker. This is likely a protocol error and the connection should be + * shutdown immediately + * - AMQP_STATUS_UNKNOWN_CLASS: a properties frame with an unknown class + * was received from the broker. This is likely a protocol error and the + * connection should be shutdown immediately + * - AMQP_STATUS_HEARTBEAT_TIMEOUT timed out while waiting for heartbeat + * from the broker. The connection has been closed. + * - AMQP_STATUS_TIMER_FAILURE system timer indicated failure. + * - AMQP_STATUS_SOCKET_ERROR a socket error occurred. The connection has + * been closed + * - AMQP_STATUS_SSL_ERROR a SSL socket error occurred. The connection has + * been closed. + * + * \sa amqp_simple_wait_frame() amqp_frames_enqueued() amqp_data_in_buffer() + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_simple_wait_frame_noblock(amqp_connection_state_t state, + amqp_frame_t *decoded_frame, + const struct timeval *tv); + +/** + * Waits for a specific method from the broker + * + * \warning You probably don't want to use this function. If this function + * doesn't receive exactly the frame requested it closes the whole connection. + * + * Waits for a single method on a channel from the broker. + * If a frame is received that does not match expected_channel + * or expected_method the program will abort + * + * \param [in] state the connection object + * \param [in] expected_channel the channel that the method should be delivered + * on + * \param [in] expected_method the method to wait for + * \param [out] output the method + * \returns AMQP_STATUS_OK on success. An amqp_status_enum value is returned + * otherwise. Possible errors include: + * - AMQP_STATUS_WRONG_METHOD a frame containing the wrong method, wrong frame + * type or wrong channel was received. The connection is closed. + * - AMQP_STATUS_NO_MEMORY failure in allocating memory. The library is likely + * in an indeterminate state making recovery unlikely. Client should note the + * error and terminate the application + * - AMQP_STATUS_BAD_AMQP_DATA bad AMQP data was received. The connection + * should be shutdown immediately + * - AMQP_STATUS_UNKNOWN_METHOD: an unknown method was received from the + * broker. This is likely a protocol error and the connection should be + * shutdown immediately + * - AMQP_STATUS_UNKNOWN_CLASS: a properties frame with an unknown class + * was received from the broker. This is likely a protocol error and the + * connection should be shutdown immediately + * - AMQP_STATUS_HEARTBEAT_TIMEOUT timed out while waiting for heartbeat + * from the broker. The connection has been closed. + * - AMQP_STATUS_TIMER_FAILURE system timer indicated failure. + * - AMQP_STATUS_SOCKET_ERROR a socket error occurred. The connection has + * been closed + * - AMQP_STATUS_SSL_ERROR a SSL socket error occurred. The connection has + * been closed. + * + * \since v0.1 + */ + +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_simple_wait_method(amqp_connection_state_t state, + amqp_channel_t expected_channel, + amqp_method_number_t expected_method, + amqp_method_t *output); + +/** + * Sends a method to the broker + * + * This is a thin wrapper around amqp_send_frame(), providing a way to send + * a method to the broker on a specified channel. + * + * \param [in] state the connection object + * \param [in] channel the channel object + * \param [in] id the method number + * \param [in] decoded the method object + * \returns AMQP_STATUS_OK on success, an amqp_status_enum value otherwise. + * Possible errors include: + * - AMQP_STATUS_BAD_AMQP_DATA the serialized form of the method or + * properties was too large to fit in a single AMQP frame, or the + * method contains an invalid value. The frame was not sent. + * - AMQP_STATUS_TABLE_TOO_BIG the serialized form of an amqp_table_t is + * too large to fit in a single AMQP frame. Frame was not sent. + * - AMQP_STATUS_UNKNOWN_METHOD an invalid method type was passed in + * - AMQP_STATUS_UNKNOWN_CLASS an invalid properties type was passed in + * - AMQP_STATUS_TIMER_FAILURE system timer indicated failure. The frame + * was sent + * - AMQP_STATUS_SOCKET_ERROR + * - AMQP_STATUS_SSL_ERROR + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_send_method(amqp_connection_state_t state, + amqp_channel_t channel, amqp_method_number_t id, + void *decoded); + +/** + * Sends a method to the broker and waits for a method response + * + * \param [in] state the connection object + * \param [in] channel the channel object + * \param [in] request_id the method number of the request + * \param [in] expected_reply_ids a 0 terminated array of expected response + * method numbers + * \param [in] decoded_request_method the method to be sent to the broker + * \return a amqp_rpc_reply_t: + * - r.reply_type == AMQP_RESPONSE_NORMAL. RPC completed successfully + * - r.reply_type == AMQP_RESPONSE_SERVER_EXCEPTION. The broker returned an + * exception: + * - If r.reply.id == AMQP_CHANNEL_CLOSE_METHOD a channel exception + * occurred, cast r.reply.decoded to amqp_channel_close_t* to see details + * of the exception. The client should amqp_send_method() a + * amqp_channel_close_ok_t. The channel must be re-opened before it + * can be used again. Any resources associated with the channel + * (auto-delete exchanges, auto-delete queues, consumers) are invalid + * and must be recreated before attempting to use them again. + * - If r.reply.id == AMQP_CONNECTION_CLOSE_METHOD a connection exception + * occurred, cast r.reply.decoded to amqp_connection_close_t* to see + * details of the exception. The client amqp_send_method() a + * amqp_connection_close_ok_t and disconnect from the broker. + * - r.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION. An exception occurred + * within the library. Examine r.library_error and compare it against + * amqp_status_enum values to determine the error. + * + * \sa amqp_simple_rpc_decoded() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_simple_rpc( + amqp_connection_state_t state, amqp_channel_t channel, + amqp_method_number_t request_id, amqp_method_number_t *expected_reply_ids, + void *decoded_request_method); + +/** + * Sends a method to the broker and waits for a method response + * + * \param [in] state the connection object + * \param [in] channel the channel object + * \param [in] request_id the method number of the request + * \param [in] reply_id the method number expected in response + * \param [in] decoded_request_method the request method + * \return a pointer to the method returned from the broker, or NULL on error. + * On error amqp_get_rpc_reply() will return an amqp_rpc_reply_t with + * details on the error that occurred. + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +void *AMQP_CALL amqp_simple_rpc_decoded(amqp_connection_state_t state, + amqp_channel_t channel, + amqp_method_number_t request_id, + amqp_method_number_t reply_id, + void *decoded_request_method); + +/** + * Get the last global amqp_rpc_reply + * + * The API methods corresponding to most synchronous AMQP methods + * return a pointer to the decoded method result. Upon error, they + * return NULL, and we need some way of discovering what, if anything, + * went wrong. amqp_get_rpc_reply() returns the most recent + * amqp_rpc_reply_t instance corresponding to such an API operation + * for the given connection. + * + * Only use it for operations that do not themselves return + * amqp_rpc_reply_t; operations that do return amqp_rpc_reply_t + * generally do NOT update this per-connection-global amqp_rpc_reply_t + * instance. + * + * \param [in] state the connection object + * \return the most recent amqp_rpc_reply_t: + * - r.reply_type == AMQP_RESPONSE_NORMAL. RPC completed successfully + * - r.reply_type == AMQP_RESPONSE_SERVER_EXCEPTION. The broker returned an + * exception: + * - If r.reply.id == AMQP_CHANNEL_CLOSE_METHOD a channel exception + * occurred, cast r.reply.decoded to amqp_channel_close_t* to see details + * of the exception. The client should amqp_send_method() a + * amqp_channel_close_ok_t. The channel must be re-opened before it + * can be used again. Any resources associated with the channel + * (auto-delete exchanges, auto-delete queues, consumers) are invalid + * and must be recreated before attempting to use them again. + * - If r.reply.id == AMQP_CONNECTION_CLOSE_METHOD a connection exception + * occurred, cast r.reply.decoded to amqp_connection_close_t* to see + * details of the exception. The client amqp_send_method() a + * amqp_connection_close_ok_t and disconnect from the broker. + * - r.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION. An exception occurred + * within the library. Examine r.library_error and compare it against + * amqp_status_enum values to determine the error. + * + * \sa amqp_simple_rpc_decoded() + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_get_rpc_reply(amqp_connection_state_t state); + +/** + * Login to the broker + * + * After using amqp_open_socket and amqp_set_sockfd, call + * amqp_login to complete connecting to the broker + * + * \param [in] state the connection object + * \param [in] vhost the virtual host to connect to on the broker. The default + * on most brokers is "/" + * \param [in] channel_max the limit for number of channels for the connection. + * 0 means no limit, and is a good default + * (AMQP_DEFAULT_MAX_CHANNELS) + * Note that the maximum number of channels the protocol supports + * is 65535 (2^16, with the 0-channel reserved). The server can + * set a lower channel_max and then the client will use the lowest + * of the two + * \param [in] frame_max the maximum size of an AMQP frame on the wire to + * request of the broker for this connection. 4096 is the minimum + * size, 2^31-1 is the maximum, a good default is 131072 (128KB), + * or AMQP_DEFAULT_FRAME_SIZE + * \param [in] heartbeat the number of seconds between heartbeat frames to + * request of the broker. A value of 0 disables heartbeats. + * Note rabbitmq-c only has partial support for heartbeats, as of + * v0.4.0 they are only serviced during amqp_basic_publish() and + * amqp_simple_wait_frame()/amqp_simple_wait_frame_noblock() + * \param [in] sasl_method the SASL method to authenticate with the broker. + * followed by the authentication information. The following SASL + * methods are implemented: + * - AMQP_SASL_METHOD_PLAIN, the AMQP_SASL_METHOD_PLAIN argument + * should be followed by two arguments in this order: + * const char* username, and const char* password. + * - AMQP_SASL_METHOD_EXTERNAL, the AMQP_SASL_METHOD_EXTERNAL + * argument should be followed one argument: + * const char* identity. + * \return amqp_rpc_reply_t indicating success or failure. + * - r.reply_type == AMQP_RESPONSE_NORMAL. Login completed successfully + * - r.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION. In most cases errors + * from the broker when logging in will be represented by the broker closing + * the socket. In this case r.library_error will be set to + * AMQP_STATUS_CONNECTION_CLOSED. This error can represent a number of + * error conditions including: invalid vhost, authentication failure. + * - r.reply_type == AMQP_RESPONSE_SERVER_EXCEPTION. The broker returned an + * exception: + * - If r.reply.id == AMQP_CHANNEL_CLOSE_METHOD a channel exception + * occurred, cast r.reply.decoded to amqp_channel_close_t* to see details + * of the exception. The client should amqp_send_method() a + * amqp_channel_close_ok_t. The channel must be re-opened before it + * can be used again. Any resources associated with the channel + * (auto-delete exchanges, auto-delete queues, consumers) are invalid + * and must be recreated before attempting to use them again. + * - If r.reply.id == AMQP_CONNECTION_CLOSE_METHOD a connection exception + * occurred, cast r.reply.decoded to amqp_connection_close_t* to see + * details of the exception. The client amqp_send_method() a + * amqp_connection_close_ok_t and disconnect from the broker. + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_login(amqp_connection_state_t state, + char const *vhost, int channel_max, + int frame_max, int heartbeat, + amqp_sasl_method_enum sasl_method, ...); + +/** + * Login to the broker passing a properties table + * + * This function is similar to amqp_login() and differs in that it provides a + * way to pass client properties to the broker. This is commonly used to + * negotiate newer protocol features as they are supported by the broker. + * + * \param [in] state the connection object + * \param [in] vhost the virtual host to connect to on the broker. The default + * on most brokers is "/" + * \param [in] channel_max the limit for the number of channels for the + * connection. + * 0 means no limit, and is a good default + * (AMQP_DEFAULT_MAX_CHANNELS) + * Note that the maximum number of channels the protocol supports + * is 65535 (2^16, with the 0-channel reserved). The server can + * set a lower channel_max and then the client will use the lowest + * of the two + * \param [in] frame_max the maximum size of an AMQP frame ont he wire to + * request of the broker for this connection. 4096 is the minimum + * size, 2^31-1 is the maximum, a good default is 131072 (128KB), + * or AMQP_DEFAULT_FRAME_SIZE + * \param [in] heartbeat the number of seconds between heartbeat frame to + * request of the broker. A value of 0 disables heartbeats. + * Note rabbitmq-c only has partial support for hearts, as of + * v0.4.0 heartbeats are only serviced during amqp_basic_publish(), + * and amqp_simple_wait_frame()/amqp_simple_wait_frame_noblock() + * \param [in] properties a table of properties to send the broker. + * \param [in] sasl_method the SASL method to authenticate with the broker + * followed by the authentication information. The following SASL + * methods are implemented: + * - AMQP_SASL_METHOD_PLAIN, the AMQP_SASL_METHOD_PLAIN argument + * should be followed by two arguments in this order: + * const char* username, and const char* password. + * - AMQP_SASL_METHOD_EXTERNAL, the AMQP_SASL_METHOD_EXTERNAL + * argument should be followed one argument: + * const char* identity. + * \return amqp_rpc_reply_t indicating success or failure. + * - r.reply_type == AMQP_RESPONSE_NORMAL. Login completed successfully + * - r.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION. In most cases errors + * from the broker when logging in will be represented by the broker closing + * the socket. In this case r.library_error will be set to + * AMQP_STATUS_CONNECTION_CLOSED. This error can represent a number of + * error conditions including: invalid vhost, authentication failure. + * - r.reply_type == AMQP_RESPONSE_SERVER_EXCEPTION. The broker returned an + * exception: + * - If r.reply.id == AMQP_CHANNEL_CLOSE_METHOD a channel exception + * occurred, cast r.reply.decoded to amqp_channel_close_t* to see details + * of the exception. The client should amqp_send_method() a + * amqp_channel_close_ok_t. The channel must be re-opened before it + * can be used again. Any resources associated with the channel + * (auto-delete exchanges, auto-delete queues, consumers) are invalid + * and must be recreated before attempting to use them again. + * - If r.reply.id == AMQP_CONNECTION_CLOSE_METHOD a connection exception + * occurred, cast r.reply.decoded to amqp_connection_close_t* to see + * details of the exception. The client amqp_send_method() a + * amqp_connection_close_ok_t and disconnect from the broker. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_login_with_properties( + amqp_connection_state_t state, char const *vhost, int channel_max, + int frame_max, int heartbeat, const amqp_table_t *properties, + amqp_sasl_method_enum sasl_method, ...); + +struct amqp_basic_properties_t_; + +/** + * Publish a message to the broker + * + * Publish a message on an exchange with a routing key. + * + * Note that at the AMQ protocol level basic.publish is an async method: + * this means error conditions that occur on the broker (such as publishing to + * a non-existent exchange) will not be reflected in the return value of this + * function. + * + * \param [in] state the connection object + * \param [in] channel the channel identifier + * \param [in] exchange the exchange on the broker to publish to + * \param [in] routing_key the routing key to use when publishing the message + * \param [in] mandatory indicate to the broker that the message MUST be routed + * to a queue. If the broker cannot do this it should respond with + * a basic.return method. + * \param [in] immediate indicate to the broker that the message MUST be + * delivered to a consumer immediately. If the broker cannot do this + * it should respond with a basic.return method. + * \param [in] properties the properties associated with the message + * \param [in] body the message body + * \return AMQP_STATUS_OK on success, amqp_status_enum value on failure. Note + * that basic.publish is an async method, the return value from this + * function only indicates that the message data was successfully + * transmitted to the broker. It does not indicate failures that occur + * on the broker, such as publishing to a non-existent exchange. + * Possible error values: + * - AMQP_STATUS_TIMER_FAILURE: system timer facility returned an error + * the message was not sent. + * - AMQP_STATUS_HEARTBEAT_TIMEOUT: connection timed out waiting for a + * heartbeat from the broker. The message was not sent. + * - AMQP_STATUS_NO_MEMORY: memory allocation failed. The message was + * not sent. + * - AMQP_STATUS_TABLE_TOO_BIG: a table in the properties was too large + * to fit in a single frame. Message was not sent. + * - AMQP_STATUS_CONNECTION_CLOSED: the connection was closed. + * - AMQP_STATUS_SSL_ERROR: a SSL error occurred. + * - AMQP_STATUS_TCP_ERROR: a TCP error occurred. errno or + * WSAGetLastError() may provide more information + * + * Note: this function does heartbeat processing as of v0.4.0 + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_basic_publish( + amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t exchange, amqp_bytes_t routing_key, amqp_boolean_t mandatory, + amqp_boolean_t immediate, struct amqp_basic_properties_t_ const *properties, + amqp_bytes_t body); + +/** + * Closes an channel + * + * \param [in] state the connection object + * \param [in] channel the channel identifier + * \param [in] code the reason for closing the channel, AMQP_REPLY_SUCCESS is a + * good default + * \return amqp_rpc_reply_t indicating success or failure + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_channel_close(amqp_connection_state_t state, + amqp_channel_t channel, int code); + +/** + * Closes the entire connection + * + * Implicitly closes all channels and informs the broker the connection + * is being closed, after receiving acknowledgment from the broker it closes + * the socket. + * + * \param [in] state the connection object + * \param [in] code the reason code for closing the connection. + * AMQP_REPLY_SUCCESS is a good default. + * \return amqp_rpc_reply_t indicating the result + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_connection_close(amqp_connection_state_t state, + int code); + +/** + * Acknowledges a message + * + * Does a basic.ack on a received message + * + * \param [in] state the connection object + * \param [in] channel the channel identifier + * \param [in] delivery_tag the delivery tag of the message to be ack'd + * \param [in] multiple if true, ack all messages up to this delivery tag, if + * false ack only this delivery tag + * \return 0 on success, 0 > on failing to send the ack to the broker. + * this will not indicate failure if something goes wrong on the + * broker + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_basic_ack(amqp_connection_state_t state, + amqp_channel_t channel, uint64_t delivery_tag, + amqp_boolean_t multiple); + +/** + * Do a basic.get + * + * Synchonously polls the broker for a message in a queue, and + * retrieves the message if a message is in the queue. + * + * \param [in] state the connection object + * \param [in] channel the channel identifier to use + * \param [in] queue the queue name to retrieve from + * \param [in] no_ack if true the message is automatically ack'ed + * if false amqp_basic_ack should be called once the message + * retrieved has been processed + * \return amqp_rpc_reply indicating success or failure + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_basic_get(amqp_connection_state_t state, + amqp_channel_t channel, + amqp_bytes_t queue, + amqp_boolean_t no_ack); + +/** + * Do a basic.reject + * + * Actively reject a message that has been delivered + * + * \param [in] state the connection object + * \param [in] channel the channel identifier + * \param [in] delivery_tag the delivery tag of the message to reject + * \param [in] requeue indicate to the broker whether it should requeue the + * message or just discard it. + * \return 0 on success, 0 > on failing to send the reject method to the broker. + * This will not indicate failure if something goes wrong on the + * broker. + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_basic_reject(amqp_connection_state_t state, + amqp_channel_t channel, uint64_t delivery_tag, + amqp_boolean_t requeue); + +/** + * Do a basic.nack + * + * Actively reject a message, this has the same effect as amqp_basic_reject() + * however, amqp_basic_nack() can negatively acknowledge multiple messages with + * one call much like amqp_basic_ack() can acknowledge mutliple messages with + * one call. + * + * \param [in] state the connection object + * \param [in] channel the channel identifier + * \param [in] delivery_tag the delivery tag of the message to reject + * \param [in] multiple if set to 1 negatively acknowledge all unacknowledged + * messages on this channel. + * \param [in] requeue indicate to the broker whether it should requeue the + * message or dead-letter it. + * \return AMQP_STATUS_OK on success, an amqp_status_enum value otherwise. + * + * \since v0.5.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_basic_nack(amqp_connection_state_t state, + amqp_channel_t channel, uint64_t delivery_tag, + amqp_boolean_t multiple, amqp_boolean_t requeue); +/** + * Check to see if there is data left in the receive buffer + * + * Can be used to see if there is data still in the buffer, if so + * calling amqp_simple_wait_frame will not immediately enter a + * blocking read. + * + * \param [in] state the connection object + * \return true if there is data in the recieve buffer, false otherwise + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +amqp_boolean_t AMQP_CALL amqp_data_in_buffer(amqp_connection_state_t state); + +/** + * Get the error string for the given error code. + * + * \deprecated This function has been deprecated in favor of + * \ref amqp_error_string2() which returns statically allocated + * string which do not need to be freed by the caller. + * + * The returned string resides on the heap; the caller is responsible + * for freeing it. + * + * \param [in] err return error code + * \return the error string + * + * \since v0.1 + */ +AMQP_DEPRECATED( + AMQP_PUBLIC_FUNCTION char *AMQP_CALL amqp_error_string(int err)); + +/** + * Get the error string for the given error code. + * + * Get an error string associated with an error code. The string is statically + * allocated and does not need to be freed + * + * \param [in] err the error code + * \return the error string + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +const char *AMQP_CALL amqp_error_string2(int err); + +/** + * Deserialize an amqp_table_t from AMQP wireformat + * + * This is an internal function and is not typically used by + * client applications + * + * \param [in] encoded the buffer containing the serialized data + * \param [in] pool memory pool used to allocate the table entries from + * \param [in] output the amqp_table_t structure to fill in. Any existing + * entries will be erased + * \param [in,out] offset The offset into the encoded buffer to start + * reading the serialized table. It will be updated + * by this function to end of the table + * \return AMQP_STATUS_OK on success, an amqp_status_enum value on failure + * Possible error codes: + * - AMQP_STATUS_NO_MEMORY out of memory + * - AMQP_STATUS_BAD_AMQP_DATA invalid wireformat + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_decode_table(amqp_bytes_t encoded, amqp_pool_t *pool, + amqp_table_t *output, size_t *offset); + +/** + * Serializes an amqp_table_t to the AMQP wireformat + * + * This is an internal function and is not typically used by + * client applications + * + * \param [in] encoded the buffer where to serialize the table to + * \param [in] input the amqp_table_t to serialize + * \param [in,out] offset The offset into the encoded buffer to start + * writing the serialized table. It will be updated + * by this function to where writing left off + * \return AMQP_STATUS_OK on success, an amqp_status_enum value on failure + * Possible error codes: + * - AMQP_STATUS_TABLE_TOO_BIG the serialized form is too large for the + * buffer + * - AMQP_STATUS_BAD_AMQP_DATA invalid table + * + * \since v0.1 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_encode_table(amqp_bytes_t encoded, amqp_table_t *input, + size_t *offset); + +/** + * Create a deep-copy of an amqp_table_t object + * + * Creates a deep-copy of an amqp_table_t object, using the provided pool + * object to allocate the necessary memory. This memory can be freed later by + * call recycle_amqp_pool(), or empty_amqp_pool() + * + * \param [in] original the table to copy + * \param [in,out] clone the table to copy to + * \param [in] pool the initialized memory pool to do allocations for the table + * from + * \return AMQP_STATUS_OK on success, amqp_status_enum value on failure. + * Possible error values: + * - AMQP_STATUS_NO_MEMORY - memory allocation failure. + * - AMQP_STATUS_INVALID_PARAMETER - invalid table (e.g., no key name) + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_table_clone(const amqp_table_t *original, + amqp_table_t *clone, amqp_pool_t *pool); + +/** + * A message object + * + * \since v0.4.0 + */ +typedef struct amqp_message_t_ { + amqp_basic_properties_t properties; /**< message properties */ + amqp_bytes_t body; /**< message body */ + amqp_pool_t pool; /**< pool used to allocate properties */ +} amqp_message_t; + +/** + * Reads the next message on a channel + * + * Reads a complete message (header + body) on a specified channel. This + * function is intended to be used with amqp_basic_get() or when an + * AMQP_BASIC_DELIVERY_METHOD method is received. + * + * \param [in,out] state the connection object + * \param [in] channel the channel on which to read the message from + * \param [in,out] message a pointer to a amqp_message_t object. Caller should + * call amqp_message_destroy() when it is done using the + * fields in the message object. The caller is responsible for + * allocating/destroying the amqp_message_t object itself. + * \param [in] flags pass in 0. Currently unused. + * \returns a amqp_rpc_reply_t object. ret.reply_type == AMQP_RESPONSE_NORMAL on + * success. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_read_message(amqp_connection_state_t state, + amqp_channel_t channel, + amqp_message_t *message, + int flags); + +/** + * Frees memory associated with a amqp_message_t allocated in amqp_read_message + * + * \param [in] message + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_destroy_message(amqp_message_t *message); + +/** + * Envelope object + * + * \since v0.4.0 + */ +typedef struct amqp_envelope_t_ { + amqp_channel_t channel; /**< channel message was delivered on */ + amqp_bytes_t consumer_tag; /**< the consumer tag the message was delivered to + */ + uint64_t delivery_tag; /**< the messages delivery tag */ + amqp_boolean_t redelivered; /**< flag indicating whether this message is being + redelivered */ + amqp_bytes_t exchange; /**< exchange this message was published to */ + amqp_bytes_t routing_key; /**< the routing key this message was published with + */ + amqp_message_t message; /**< the message */ +} amqp_envelope_t; + +/** + * Wait for and consume a message + * + * Waits for a basic.deliver method on any channel, upon receipt of + * basic.deliver it reads that message, and returns. If any other method is + * received before basic.deliver, this function will return an amqp_rpc_reply_t + * with ret.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION, and + * ret.library_error == AMQP_STATUS_UNEXPECTED_STATE. The caller should then + * call amqp_simple_wait_frame() to read this frame and take appropriate action. + * + * This function should be used after starting a consumer with the + * amqp_basic_consume() function + * + * \param [in,out] state the connection object + * \param [in,out] envelope a pointer to a amqp_envelope_t object. Caller + * should call #amqp_destroy_envelope() when it is done using + * the fields in the envelope object. The caller is responsible + * for allocating/destroying the amqp_envelope_t object itself. + * \param [in] timeout a timeout to wait for a message delivery. Passing in + * NULL will result in blocking behavior. + * \param [in] flags pass in 0. Currently unused. + * \returns a amqp_rpc_reply_t object. ret.reply_type == AMQP_RESPONSE_NORMAL + * on success. If ret.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION, + * and ret.library_error == AMQP_STATUS_UNEXPECTED_STATE, a frame other + * than AMQP_BASIC_DELIVER_METHOD was received, the caller should call + * amqp_simple_wait_frame() to read this frame and take appropriate + * action. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_rpc_reply_t AMQP_CALL amqp_consume_message(amqp_connection_state_t state, + amqp_envelope_t *envelope, + const struct timeval *timeout, + int flags); + +/** + * Frees memory associated with a amqp_envelope_t allocated in + * amqp_consume_message() + * + * \param [in] envelope + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_destroy_envelope(amqp_envelope_t *envelope); + +/** + * Parameters used to connect to the RabbitMQ broker + * + * \since v0.2 + */ +struct amqp_connection_info { + char *user; /**< the username to authenticate with the broker, default on most + broker is 'guest' */ + char *password; /**< the password to authenticate with the broker, default on + most brokers is 'guest' */ + char *host; /**< the hostname of the broker */ + char *vhost; /**< the virtual host on the broker to connect to, a good default + is "/" */ + int port; /**< the port that the broker is listening on, default on most + brokers is 5672 */ + amqp_boolean_t ssl; +}; + +/** + * Initialze an amqp_connection_info to default values + * + * The default values are: + * - user: "guest" + * - password: "guest" + * - host: "localhost" + * - vhost: "/" + * - port: 5672 + * + * \param [out] parsed the connection info to set defaults on + * + * \since v0.2 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL + amqp_default_connection_info(struct amqp_connection_info *parsed); + +/** + * Parse a connection URL + * + * An amqp connection url takes the form: + * + * amqp://[$USERNAME[:$PASSWORD]\@]$HOST[:$PORT]/[$VHOST] + * + * Examples: + * amqp://guest:guest\@localhost:5672// + * amqp://guest:guest\@localhost/myvhost + * + * Any missing parts of the URL will be set to the defaults specified in + * amqp_default_connection_info. For amqps: URLs the default port will be set + * to 5671 instead of 5672 for non-SSL URLs. + * + * \note This function modifies url parameter. + * + * \param [in] url URI to parse, note that this parameter is modified by the + * function. + * \param [out] parsed the connection info gleaned from the URI. The char* + * members will point to parts of the url input parameter. + * Memory management will depend on how the url is allocated. + * \returns AMQP_STATUS_OK on success, AMQP_STATUS_BAD_URL on failure + * + * \since v0.2 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_parse_url(char *url, struct amqp_connection_info *parsed); + +/* socket API */ + +/** + * Open a socket connection. + * + * This function opens a socket connection returned from amqp_tcp_socket_new() + * or amqp_ssl_socket_new(). This function should be called after setting + * socket options and prior to assigning the socket to an AMQP connection with + * amqp_set_socket(). + * + * \param [in,out] self A socket object. + * \param [in] host Connect to this host. + * \param [in] port Connect on this remote port. + * + * \return AMQP_STATUS_OK on success, an amqp_status_enum on failure + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_socket_open(amqp_socket_t *self, const char *host, int port); + +/** + * Open a socket connection. + * + * This function opens a socket connection returned from amqp_tcp_socket_new() + * or amqp_ssl_socket_new(). This function should be called after setting + * socket options and prior to assigning the socket to an AMQP connection with + * amqp_set_socket(). + * + * \param [in,out] self A socket object. + * \param [in] host Connect to this host. + * \param [in] port Connect on this remote port. + * \param [in] timeout Max allowed time to spent on opening. If NULL - run in + * blocking mode + * + * \return AMQP_STATUS_OK on success, an amqp_status_enum on failure. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_socket_open_noblock(amqp_socket_t *self, const char *host, + int port, const struct timeval *timeout); + +/** + * Get the socket descriptor in use by a socket object. + * + * Retrieve the underlying socket descriptor. This function can be used to + * perform low-level socket operations that aren't supported by the socket + * interface. Use with caution! + * + * \param [in,out] self A socket object. + * + * \return The underlying socket descriptor, or -1 if there is no socket + * descriptor associated with + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_socket_get_sockfd(amqp_socket_t *self); + +/** + * Get the socket object associated with a amqp_connection_state_t + * + * \param [in] state the connection object to get the socket from + * \return a pointer to the socket object, or NULL if one has not been assigned + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_socket_t *AMQP_CALL amqp_get_socket(amqp_connection_state_t state); + +/** + * Get the broker properties table + * + * \param [in] state the connection object + * \return a pointer to an amqp_table_t containing the properties advertised + * by the broker on connection. The connection object owns the table, it + * should not be modified. + * + * \since v0.5.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_table_t *AMQP_CALL + amqp_get_server_properties(amqp_connection_state_t state); + +/** + * Get the client properties table + * + * Get the properties that were passed to the broker on connection. + * + * \param [in] state the connection object + * \return a pointer to an amqp_table_t containing the properties advertised + * by the client on connection. The connection object owns the table, it + * should not be modified. + * + * \since v0.7.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_table_t *AMQP_CALL + amqp_get_client_properties(amqp_connection_state_t state); + +/** + * Get the login handshake timeout. + * + * amqp_login and amqp_login_with_properties perform the login handshake with + * the broker. This function returns the timeout associated with completing + * this operation from the client side. This value can be set by using the + * amqp_set_handshake_timeout. + * + * Note that the RabbitMQ broker has configurable timeout for completing the + * login handshake, the default is 10 seconds. rabbitmq-c has a default of 12 + * seconds. + * + * \param [in] state the connection object + * \return a struct timeval representing the current login timeout for the state + * object. A NULL value represents an infinite timeout. The memory returned is + * owned by the connection object. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +struct timeval *AMQP_CALL + amqp_get_handshake_timeout(amqp_connection_state_t state); + +/** + * Set the login handshake timeout. + * + * amqp_login and amqp_login_with_properties perform the login handshake with + * the broker. This function sets the timeout associated with completing this + * operation from the client side. + * + * The timeout must be set before amqp_login or amqp_login_with_properties is + * called to change from the default timeout. + * + * Note that the RabbitMQ broker has a configurable timeout for completing the + * login handshake, the default is 10 seconds. rabbitmq-c has a default of 12 + * seconds. + * + * \param [in] state the connection object + * \param [in] timeout a struct timeval* representing new login timeout for the + * state object. NULL represents an infinite timeout. The value of timeout is + * copied internally, the caller is responsible for ownership of the passed in + * pointer, it does not need to remain valid after this function is called. + * \return AMQP_STATUS_OK on success. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_set_handshake_timeout(amqp_connection_state_t state, + const struct timeval *timeout); + +/** + * Get the RPC timeout + * + * Gets the timeout for any RPC-style AMQP command (e.g., amqp_queue_declare). + * This timeout may be changed at any time by calling \amqp_set_rpc_timeout + * function with a new timeout. The timeout applies individually to each RPC + * that is made. + * + * The default value is NULL, or an infinite timeout. + * + * When an RPC times out, the function will return an error AMQP_STATUS_TIMEOUT, + * and the connection will be closed. + * + *\warning RPC-timeouts are an advanced feature intended to be used to detect + * dead connections quickly when the rabbitmq-c implementation of heartbeats + * does not work. Do not use RPC timeouts unless you understand the implications + * of doing so. + * + * \param [in] state the connection object + * \return a struct timeval representing the current RPC timeout for the state + * object. A NULL value represents an infinite timeout. The memory returned is + * owned by the connection object. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +struct timeval *AMQP_CALL amqp_get_rpc_timeout(amqp_connection_state_t state); + +/** + * Set the RPC timeout + * + * Sets the timeout for any RPC-style AMQP command (e.g., amqp_queue_declare). + * This timeout may be changed at any time by calling this function with a new + * timeout. The timeout applies individually to each RPC that is made. + * + * The default value is NULL, or an infinite timeout. + * + * When an RPC times out, the function will return an error AMQP_STATUS_TIMEOUT, + * and the connection will be closed. + * + *\warning RPC-timeouts are an advanced feature intended to be used to detect + * dead connections quickly when the rabbitmq-c implementation of heartbeats + * does not work. Do not use RPC timeouts unless you understand the implications + * of doing so. + * + * \param [in] state the connection object + * \param [in] timeout a struct timeval* representing new RPC timeout for the + * state object. NULL represents an infinite timeout. The value of timeout is + * copied internally, the caller is responsible for ownership of the passed + * pointer, it does not need to remain valid after this function is called. + * \return AMQP_STATUS_SUCCESS on success. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_set_rpc_timeout(amqp_connection_state_t state, + const struct timeval *timeout); + +AMQP_END_DECLS + +#endif /* AMQP_H */ diff --git a/include/amqp_framing.h b/include/amqp_framing.h new file mode 100644 index 0000000..ad90433 --- /dev/null +++ b/include/amqp_framing.h @@ -0,0 +1,1144 @@ +/* Generated code. Do not edit. Edit and re-run codegen.py instead. + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MIT + * + * Portions created by Alan Antonuk are Copyright (c) 2012-2013 + * Alan Antonuk. All Rights Reserved. + * + * Portions created by VMware are Copyright (c) 2007-2012 VMware, Inc. + * All Rights Reserved. + * + * Portions created by Tony Garnock-Jones are Copyright (c) 2009-2010 + * VMware, Inc. and Tony Garnock-Jones. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * ***** END LICENSE BLOCK ***** + */ + +/** @file amqp_framing.h */ +#ifndef AMQP_FRAMING_H +#define AMQP_FRAMING_H + +#include + +AMQP_BEGIN_DECLS + +#define AMQP_PROTOCOL_VERSION_MAJOR 0 /**< AMQP protocol version major */ +#define AMQP_PROTOCOL_VERSION_MINOR 9 /**< AMQP protocol version minor */ +#define AMQP_PROTOCOL_VERSION_REVISION \ + 1 /**< AMQP protocol version revision \ + */ +#define AMQP_PROTOCOL_PORT 5672 /**< Default AMQP Port */ +#define AMQP_FRAME_METHOD 1 /**< Constant: FRAME-METHOD */ +#define AMQP_FRAME_HEADER 2 /**< Constant: FRAME-HEADER */ +#define AMQP_FRAME_BODY 3 /**< Constant: FRAME-BODY */ +#define AMQP_FRAME_HEARTBEAT 8 /**< Constant: FRAME-HEARTBEAT */ +#define AMQP_FRAME_MIN_SIZE 4096 /**< Constant: FRAME-MIN-SIZE */ +#define AMQP_FRAME_END 206 /**< Constant: FRAME-END */ +#define AMQP_REPLY_SUCCESS 200 /**< Constant: REPLY-SUCCESS */ +#define AMQP_CONTENT_TOO_LARGE 311 /**< Constant: CONTENT-TOO-LARGE */ +#define AMQP_NO_ROUTE 312 /**< Constant: NO-ROUTE */ +#define AMQP_NO_CONSUMERS 313 /**< Constant: NO-CONSUMERS */ +#define AMQP_ACCESS_REFUSED 403 /**< Constant: ACCESS-REFUSED */ +#define AMQP_NOT_FOUND 404 /**< Constant: NOT-FOUND */ +#define AMQP_RESOURCE_LOCKED 405 /**< Constant: RESOURCE-LOCKED */ +#define AMQP_PRECONDITION_FAILED 406 /**< Constant: PRECONDITION-FAILED */ +#define AMQP_CONNECTION_FORCED 320 /**< Constant: CONNECTION-FORCED */ +#define AMQP_INVALID_PATH 402 /**< Constant: INVALID-PATH */ +#define AMQP_FRAME_ERROR 501 /**< Constant: FRAME-ERROR */ +#define AMQP_SYNTAX_ERROR 502 /**< Constant: SYNTAX-ERROR */ +#define AMQP_COMMAND_INVALID 503 /**< Constant: COMMAND-INVALID */ +#define AMQP_CHANNEL_ERROR 504 /**< Constant: CHANNEL-ERROR */ +#define AMQP_UNEXPECTED_FRAME 505 /**< Constant: UNEXPECTED-FRAME */ +#define AMQP_RESOURCE_ERROR 506 /**< Constant: RESOURCE-ERROR */ +#define AMQP_NOT_ALLOWED 530 /**< Constant: NOT-ALLOWED */ +#define AMQP_NOT_IMPLEMENTED 540 /**< Constant: NOT-IMPLEMENTED */ +#define AMQP_INTERNAL_ERROR 541 /**< Constant: INTERNAL-ERROR */ + +/* Function prototypes. */ + +/** + * Get constant name string from constant + * + * @param [in] constantNumber constant to get the name of + * @returns string describing the constant. String is managed by + * the library and should not be free()'d by the program + */ +AMQP_PUBLIC_FUNCTION +char const *AMQP_CALL amqp_constant_name(int constantNumber); + +/** + * Checks to see if a constant is a hard error + * + * A hard error occurs when something severe enough + * happens that the connection must be closed. + * + * @param [in] constantNumber the error constant + * @returns true if its a hard error, false otherwise + */ +AMQP_PUBLIC_FUNCTION +amqp_boolean_t AMQP_CALL amqp_constant_is_hard_error(int constantNumber); + +/** + * Get method name string from method number + * + * @param [in] methodNumber the method number + * @returns method name string. String is managed by the library + * and should not be freed()'d by the program + */ +AMQP_PUBLIC_FUNCTION +char const *AMQP_CALL amqp_method_name(amqp_method_number_t methodNumber); + +/** + * Check whether a method has content + * + * A method that has content will receive the method frame + * a properties frame, then 1 to N body frames + * + * @param [in] methodNumber the method number + * @returns true if method has content, false otherwise + */ +AMQP_PUBLIC_FUNCTION +amqp_boolean_t AMQP_CALL + amqp_method_has_content(amqp_method_number_t methodNumber); + +/** + * Decodes a method from AMQP wireformat + * + * @param [in] methodNumber the method number for the decoded parameter + * @param [in] pool the memory pool to allocate the decoded method from + * @param [in] encoded the encoded byte string buffer + * @param [out] decoded pointer to the decoded method struct + * @returns 0 on success, an error code otherwise + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_decode_method(amqp_method_number_t methodNumber, + amqp_pool_t *pool, amqp_bytes_t encoded, + void **decoded); + +/** + * Decodes a header frame properties structure from AMQP wireformat + * + * @param [in] class_id the class id for the decoded parameter + * @param [in] pool the memory pool to allocate the decoded properties from + * @param [in] encoded the encoded byte string buffer + * @param [out] decoded pointer to the decoded properties struct + * @returns 0 on success, an error code otherwise + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_decode_properties(uint16_t class_id, amqp_pool_t *pool, + amqp_bytes_t encoded, void **decoded); + +/** + * Encodes a method structure in AMQP wireformat + * + * @param [in] methodNumber the method number for the decoded parameter + * @param [in] decoded the method structure (e.g., amqp_connection_start_t) + * @param [in] encoded an allocated byte buffer for the encoded method + * structure to be written to. If the buffer isn't large enough + * to hold the encoded method, an error code will be returned. + * @returns 0 on success, an error code otherwise. + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_encode_method(amqp_method_number_t methodNumber, + void *decoded, amqp_bytes_t encoded); + +/** + * Encodes a properties structure in AMQP wireformat + * + * @param [in] class_id the class id for the decoded parameter + * @param [in] decoded the properties structure (e.g., amqp_basic_properties_t) + * @param [in] encoded an allocated byte buffer for the encoded properties to + * written to. + * If the buffer isn't large enough to hold the encoded method, an + * an error code will be returned + * @returns 0 on success, an error code otherwise. + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_encode_properties(uint16_t class_id, void *decoded, + amqp_bytes_t encoded); + +/* Method field records. */ + +#define AMQP_CONNECTION_START_METHOD \ + ((amqp_method_number_t)0x000A000A) /**< connection.start method id \ + @internal 10, 10; 655370 */ +/** connection.start method fields */ +typedef struct amqp_connection_start_t_ { + uint8_t version_major; /**< version-major */ + uint8_t version_minor; /**< version-minor */ + amqp_table_t server_properties; /**< server-properties */ + amqp_bytes_t mechanisms; /**< mechanisms */ + amqp_bytes_t locales; /**< locales */ +} amqp_connection_start_t; + +#define AMQP_CONNECTION_START_OK_METHOD \ + ((amqp_method_number_t)0x000A000B) /**< connection.start-ok method id \ + @internal 10, 11; 655371 */ +/** connection.start-ok method fields */ +typedef struct amqp_connection_start_ok_t_ { + amqp_table_t client_properties; /**< client-properties */ + amqp_bytes_t mechanism; /**< mechanism */ + amqp_bytes_t response; /**< response */ + amqp_bytes_t locale; /**< locale */ +} amqp_connection_start_ok_t; + +#define AMQP_CONNECTION_SECURE_METHOD \ + ((amqp_method_number_t)0x000A0014) /**< connection.secure method id \ + @internal 10, 20; 655380 */ +/** connection.secure method fields */ +typedef struct amqp_connection_secure_t_ { + amqp_bytes_t challenge; /**< challenge */ +} amqp_connection_secure_t; + +#define AMQP_CONNECTION_SECURE_OK_METHOD \ + ((amqp_method_number_t)0x000A0015) /**< connection.secure-ok method id \ + @internal 10, 21; 655381 */ +/** connection.secure-ok method fields */ +typedef struct amqp_connection_secure_ok_t_ { + amqp_bytes_t response; /**< response */ +} amqp_connection_secure_ok_t; + +#define AMQP_CONNECTION_TUNE_METHOD \ + ((amqp_method_number_t)0x000A001E) /**< connection.tune method id \ + @internal 10, 30; 655390 */ +/** connection.tune method fields */ +typedef struct amqp_connection_tune_t_ { + uint16_t channel_max; /**< channel-max */ + uint32_t frame_max; /**< frame-max */ + uint16_t heartbeat; /**< heartbeat */ +} amqp_connection_tune_t; + +#define AMQP_CONNECTION_TUNE_OK_METHOD \ + ((amqp_method_number_t)0x000A001F) /**< connection.tune-ok method id \ + @internal 10, 31; 655391 */ +/** connection.tune-ok method fields */ +typedef struct amqp_connection_tune_ok_t_ { + uint16_t channel_max; /**< channel-max */ + uint32_t frame_max; /**< frame-max */ + uint16_t heartbeat; /**< heartbeat */ +} amqp_connection_tune_ok_t; + +#define AMQP_CONNECTION_OPEN_METHOD \ + ((amqp_method_number_t)0x000A0028) /**< connection.open method id \ + @internal 10, 40; 655400 */ +/** connection.open method fields */ +typedef struct amqp_connection_open_t_ { + amqp_bytes_t virtual_host; /**< virtual-host */ + amqp_bytes_t capabilities; /**< capabilities */ + amqp_boolean_t insist; /**< insist */ +} amqp_connection_open_t; + +#define AMQP_CONNECTION_OPEN_OK_METHOD \ + ((amqp_method_number_t)0x000A0029) /**< connection.open-ok method id \ + @internal 10, 41; 655401 */ +/** connection.open-ok method fields */ +typedef struct amqp_connection_open_ok_t_ { + amqp_bytes_t known_hosts; /**< known-hosts */ +} amqp_connection_open_ok_t; + +#define AMQP_CONNECTION_CLOSE_METHOD \ + ((amqp_method_number_t)0x000A0032) /**< connection.close method id \ + @internal 10, 50; 655410 */ +/** connection.close method fields */ +typedef struct amqp_connection_close_t_ { + uint16_t reply_code; /**< reply-code */ + amqp_bytes_t reply_text; /**< reply-text */ + uint16_t class_id; /**< class-id */ + uint16_t method_id; /**< method-id */ +} amqp_connection_close_t; + +#define AMQP_CONNECTION_CLOSE_OK_METHOD \ + ((amqp_method_number_t)0x000A0033) /**< connection.close-ok method id \ + @internal 10, 51; 655411 */ +/** connection.close-ok method fields */ +typedef struct amqp_connection_close_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_connection_close_ok_t; + +#define AMQP_CONNECTION_BLOCKED_METHOD \ + ((amqp_method_number_t)0x000A003C) /**< connection.blocked method id \ + @internal 10, 60; 655420 */ +/** connection.blocked method fields */ +typedef struct amqp_connection_blocked_t_ { + amqp_bytes_t reason; /**< reason */ +} amqp_connection_blocked_t; + +#define AMQP_CONNECTION_UNBLOCKED_METHOD \ + ((amqp_method_number_t)0x000A003D) /**< connection.unblocked method id \ + @internal 10, 61; 655421 */ +/** connection.unblocked method fields */ +typedef struct amqp_connection_unblocked_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_connection_unblocked_t; + +#define AMQP_CHANNEL_OPEN_METHOD \ + ((amqp_method_number_t)0x0014000A) /**< channel.open method id @internal \ + 20, 10; 1310730 */ +/** channel.open method fields */ +typedef struct amqp_channel_open_t_ { + amqp_bytes_t out_of_band; /**< out-of-band */ +} amqp_channel_open_t; + +#define AMQP_CHANNEL_OPEN_OK_METHOD \ + ((amqp_method_number_t)0x0014000B) /**< channel.open-ok method id \ + @internal 20, 11; 1310731 */ +/** channel.open-ok method fields */ +typedef struct amqp_channel_open_ok_t_ { + amqp_bytes_t channel_id; /**< channel-id */ +} amqp_channel_open_ok_t; + +#define AMQP_CHANNEL_FLOW_METHOD \ + ((amqp_method_number_t)0x00140014) /**< channel.flow method id @internal \ + 20, 20; 1310740 */ +/** channel.flow method fields */ +typedef struct amqp_channel_flow_t_ { + amqp_boolean_t active; /**< active */ +} amqp_channel_flow_t; + +#define AMQP_CHANNEL_FLOW_OK_METHOD \ + ((amqp_method_number_t)0x00140015) /**< channel.flow-ok method id \ + @internal 20, 21; 1310741 */ +/** channel.flow-ok method fields */ +typedef struct amqp_channel_flow_ok_t_ { + amqp_boolean_t active; /**< active */ +} amqp_channel_flow_ok_t; + +#define AMQP_CHANNEL_CLOSE_METHOD \ + ((amqp_method_number_t)0x00140028) /**< channel.close method id @internal \ + 20, 40; 1310760 */ +/** channel.close method fields */ +typedef struct amqp_channel_close_t_ { + uint16_t reply_code; /**< reply-code */ + amqp_bytes_t reply_text; /**< reply-text */ + uint16_t class_id; /**< class-id */ + uint16_t method_id; /**< method-id */ +} amqp_channel_close_t; + +#define AMQP_CHANNEL_CLOSE_OK_METHOD \ + ((amqp_method_number_t)0x00140029) /**< channel.close-ok method id \ + @internal 20, 41; 1310761 */ +/** channel.close-ok method fields */ +typedef struct amqp_channel_close_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_channel_close_ok_t; + +#define AMQP_ACCESS_REQUEST_METHOD \ + ((amqp_method_number_t)0x001E000A) /**< access.request method id @internal \ + 30, 10; 1966090 */ +/** access.request method fields */ +typedef struct amqp_access_request_t_ { + amqp_bytes_t realm; /**< realm */ + amqp_boolean_t exclusive; /**< exclusive */ + amqp_boolean_t passive; /**< passive */ + amqp_boolean_t active; /**< active */ + amqp_boolean_t write; /**< write */ + amqp_boolean_t read; /**< read */ +} amqp_access_request_t; + +#define AMQP_ACCESS_REQUEST_OK_METHOD \ + ((amqp_method_number_t)0x001E000B) /**< access.request-ok method id \ + @internal 30, 11; 1966091 */ +/** access.request-ok method fields */ +typedef struct amqp_access_request_ok_t_ { + uint16_t ticket; /**< ticket */ +} amqp_access_request_ok_t; + +#define AMQP_EXCHANGE_DECLARE_METHOD \ + ((amqp_method_number_t)0x0028000A) /**< exchange.declare method id \ + @internal 40, 10; 2621450 */ +/** exchange.declare method fields */ +typedef struct amqp_exchange_declare_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t type; /**< type */ + amqp_boolean_t passive; /**< passive */ + amqp_boolean_t durable; /**< durable */ + amqp_boolean_t auto_delete; /**< auto-delete */ + amqp_boolean_t internal; /**< internal */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_exchange_declare_t; + +#define AMQP_EXCHANGE_DECLARE_OK_METHOD \ + ((amqp_method_number_t)0x0028000B) /**< exchange.declare-ok method id \ + @internal 40, 11; 2621451 */ +/** exchange.declare-ok method fields */ +typedef struct amqp_exchange_declare_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_exchange_declare_ok_t; + +#define AMQP_EXCHANGE_DELETE_METHOD \ + ((amqp_method_number_t)0x00280014) /**< exchange.delete method id \ + @internal 40, 20; 2621460 */ +/** exchange.delete method fields */ +typedef struct amqp_exchange_delete_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t exchange; /**< exchange */ + amqp_boolean_t if_unused; /**< if-unused */ + amqp_boolean_t nowait; /**< nowait */ +} amqp_exchange_delete_t; + +#define AMQP_EXCHANGE_DELETE_OK_METHOD \ + ((amqp_method_number_t)0x00280015) /**< exchange.delete-ok method id \ + @internal 40, 21; 2621461 */ +/** exchange.delete-ok method fields */ +typedef struct amqp_exchange_delete_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_exchange_delete_ok_t; + +#define AMQP_EXCHANGE_BIND_METHOD \ + ((amqp_method_number_t)0x0028001E) /**< exchange.bind method id @internal \ + 40, 30; 2621470 */ +/** exchange.bind method fields */ +typedef struct amqp_exchange_bind_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t destination; /**< destination */ + amqp_bytes_t source; /**< source */ + amqp_bytes_t routing_key; /**< routing-key */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_exchange_bind_t; + +#define AMQP_EXCHANGE_BIND_OK_METHOD \ + ((amqp_method_number_t)0x0028001F) /**< exchange.bind-ok method id \ + @internal 40, 31; 2621471 */ +/** exchange.bind-ok method fields */ +typedef struct amqp_exchange_bind_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_exchange_bind_ok_t; + +#define AMQP_EXCHANGE_UNBIND_METHOD \ + ((amqp_method_number_t)0x00280028) /**< exchange.unbind method id \ + @internal 40, 40; 2621480 */ +/** exchange.unbind method fields */ +typedef struct amqp_exchange_unbind_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t destination; /**< destination */ + amqp_bytes_t source; /**< source */ + amqp_bytes_t routing_key; /**< routing-key */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_exchange_unbind_t; + +#define AMQP_EXCHANGE_UNBIND_OK_METHOD \ + ((amqp_method_number_t)0x00280033) /**< exchange.unbind-ok method id \ + @internal 40, 51; 2621491 */ +/** exchange.unbind-ok method fields */ +typedef struct amqp_exchange_unbind_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_exchange_unbind_ok_t; + +#define AMQP_QUEUE_DECLARE_METHOD \ + ((amqp_method_number_t)0x0032000A) /**< queue.declare method id @internal \ + 50, 10; 3276810 */ +/** queue.declare method fields */ +typedef struct amqp_queue_declare_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_boolean_t passive; /**< passive */ + amqp_boolean_t durable; /**< durable */ + amqp_boolean_t exclusive; /**< exclusive */ + amqp_boolean_t auto_delete; /**< auto-delete */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_queue_declare_t; + +#define AMQP_QUEUE_DECLARE_OK_METHOD \ + ((amqp_method_number_t)0x0032000B) /**< queue.declare-ok method id \ + @internal 50, 11; 3276811 */ +/** queue.declare-ok method fields */ +typedef struct amqp_queue_declare_ok_t_ { + amqp_bytes_t queue; /**< queue */ + uint32_t message_count; /**< message-count */ + uint32_t consumer_count; /**< consumer-count */ +} amqp_queue_declare_ok_t; + +#define AMQP_QUEUE_BIND_METHOD \ + ((amqp_method_number_t)0x00320014) /**< queue.bind method id @internal 50, \ + 20; 3276820 */ +/** queue.bind method fields */ +typedef struct amqp_queue_bind_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_queue_bind_t; + +#define AMQP_QUEUE_BIND_OK_METHOD \ + ((amqp_method_number_t)0x00320015) /**< queue.bind-ok method id @internal \ + 50, 21; 3276821 */ +/** queue.bind-ok method fields */ +typedef struct amqp_queue_bind_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_queue_bind_ok_t; + +#define AMQP_QUEUE_PURGE_METHOD \ + ((amqp_method_number_t)0x0032001E) /**< queue.purge method id @internal \ + 50, 30; 3276830 */ +/** queue.purge method fields */ +typedef struct amqp_queue_purge_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_boolean_t nowait; /**< nowait */ +} amqp_queue_purge_t; + +#define AMQP_QUEUE_PURGE_OK_METHOD \ + ((amqp_method_number_t)0x0032001F) /**< queue.purge-ok method id @internal \ + 50, 31; 3276831 */ +/** queue.purge-ok method fields */ +typedef struct amqp_queue_purge_ok_t_ { + uint32_t message_count; /**< message-count */ +} amqp_queue_purge_ok_t; + +#define AMQP_QUEUE_DELETE_METHOD \ + ((amqp_method_number_t)0x00320028) /**< queue.delete method id @internal \ + 50, 40; 3276840 */ +/** queue.delete method fields */ +typedef struct amqp_queue_delete_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_boolean_t if_unused; /**< if-unused */ + amqp_boolean_t if_empty; /**< if-empty */ + amqp_boolean_t nowait; /**< nowait */ +} amqp_queue_delete_t; + +#define AMQP_QUEUE_DELETE_OK_METHOD \ + ((amqp_method_number_t)0x00320029) /**< queue.delete-ok method id \ + @internal 50, 41; 3276841 */ +/** queue.delete-ok method fields */ +typedef struct amqp_queue_delete_ok_t_ { + uint32_t message_count; /**< message-count */ +} amqp_queue_delete_ok_t; + +#define AMQP_QUEUE_UNBIND_METHOD \ + ((amqp_method_number_t)0x00320032) /**< queue.unbind method id @internal \ + 50, 50; 3276850 */ +/** queue.unbind method fields */ +typedef struct amqp_queue_unbind_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ + amqp_table_t arguments; /**< arguments */ +} amqp_queue_unbind_t; + +#define AMQP_QUEUE_UNBIND_OK_METHOD \ + ((amqp_method_number_t)0x00320033) /**< queue.unbind-ok method id \ + @internal 50, 51; 3276851 */ +/** queue.unbind-ok method fields */ +typedef struct amqp_queue_unbind_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_queue_unbind_ok_t; + +#define AMQP_BASIC_QOS_METHOD \ + ((amqp_method_number_t)0x003C000A) /**< basic.qos method id @internal 60, \ + 10; 3932170 */ +/** basic.qos method fields */ +typedef struct amqp_basic_qos_t_ { + uint32_t prefetch_size; /**< prefetch-size */ + uint16_t prefetch_count; /**< prefetch-count */ + amqp_boolean_t global; /**< global */ +} amqp_basic_qos_t; + +#define AMQP_BASIC_QOS_OK_METHOD \ + ((amqp_method_number_t)0x003C000B) /**< basic.qos-ok method id @internal \ + 60, 11; 3932171 */ +/** basic.qos-ok method fields */ +typedef struct amqp_basic_qos_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_basic_qos_ok_t; + +#define AMQP_BASIC_CONSUME_METHOD \ + ((amqp_method_number_t)0x003C0014) /**< basic.consume method id @internal \ + 60, 20; 3932180 */ +/** basic.consume method fields */ +typedef struct amqp_basic_consume_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_bytes_t consumer_tag; /**< consumer-tag */ + amqp_boolean_t no_local; /**< no-local */ + amqp_boolean_t no_ack; /**< no-ack */ + amqp_boolean_t exclusive; /**< exclusive */ + amqp_boolean_t nowait; /**< nowait */ + amqp_table_t arguments; /**< arguments */ +} amqp_basic_consume_t; + +#define AMQP_BASIC_CONSUME_OK_METHOD \ + ((amqp_method_number_t)0x003C0015) /**< basic.consume-ok method id \ + @internal 60, 21; 3932181 */ +/** basic.consume-ok method fields */ +typedef struct amqp_basic_consume_ok_t_ { + amqp_bytes_t consumer_tag; /**< consumer-tag */ +} amqp_basic_consume_ok_t; + +#define AMQP_BASIC_CANCEL_METHOD \ + ((amqp_method_number_t)0x003C001E) /**< basic.cancel method id @internal \ + 60, 30; 3932190 */ +/** basic.cancel method fields */ +typedef struct amqp_basic_cancel_t_ { + amqp_bytes_t consumer_tag; /**< consumer-tag */ + amqp_boolean_t nowait; /**< nowait */ +} amqp_basic_cancel_t; + +#define AMQP_BASIC_CANCEL_OK_METHOD \ + ((amqp_method_number_t)0x003C001F) /**< basic.cancel-ok method id \ + @internal 60, 31; 3932191 */ +/** basic.cancel-ok method fields */ +typedef struct amqp_basic_cancel_ok_t_ { + amqp_bytes_t consumer_tag; /**< consumer-tag */ +} amqp_basic_cancel_ok_t; + +#define AMQP_BASIC_PUBLISH_METHOD \ + ((amqp_method_number_t)0x003C0028) /**< basic.publish method id @internal \ + 60, 40; 3932200 */ +/** basic.publish method fields */ +typedef struct amqp_basic_publish_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ + amqp_boolean_t mandatory; /**< mandatory */ + amqp_boolean_t immediate; /**< immediate */ +} amqp_basic_publish_t; + +#define AMQP_BASIC_RETURN_METHOD \ + ((amqp_method_number_t)0x003C0032) /**< basic.return method id @internal \ + 60, 50; 3932210 */ +/** basic.return method fields */ +typedef struct amqp_basic_return_t_ { + uint16_t reply_code; /**< reply-code */ + amqp_bytes_t reply_text; /**< reply-text */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ +} amqp_basic_return_t; + +#define AMQP_BASIC_DELIVER_METHOD \ + ((amqp_method_number_t)0x003C003C) /**< basic.deliver method id @internal \ + 60, 60; 3932220 */ +/** basic.deliver method fields */ +typedef struct amqp_basic_deliver_t_ { + amqp_bytes_t consumer_tag; /**< consumer-tag */ + uint64_t delivery_tag; /**< delivery-tag */ + amqp_boolean_t redelivered; /**< redelivered */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ +} amqp_basic_deliver_t; + +#define AMQP_BASIC_GET_METHOD \ + ((amqp_method_number_t)0x003C0046) /**< basic.get method id @internal 60, \ + 70; 3932230 */ +/** basic.get method fields */ +typedef struct amqp_basic_get_t_ { + uint16_t ticket; /**< ticket */ + amqp_bytes_t queue; /**< queue */ + amqp_boolean_t no_ack; /**< no-ack */ +} amqp_basic_get_t; + +#define AMQP_BASIC_GET_OK_METHOD \ + ((amqp_method_number_t)0x003C0047) /**< basic.get-ok method id @internal \ + 60, 71; 3932231 */ +/** basic.get-ok method fields */ +typedef struct amqp_basic_get_ok_t_ { + uint64_t delivery_tag; /**< delivery-tag */ + amqp_boolean_t redelivered; /**< redelivered */ + amqp_bytes_t exchange; /**< exchange */ + amqp_bytes_t routing_key; /**< routing-key */ + uint32_t message_count; /**< message-count */ +} amqp_basic_get_ok_t; + +#define AMQP_BASIC_GET_EMPTY_METHOD \ + ((amqp_method_number_t)0x003C0048) /**< basic.get-empty method id \ + @internal 60, 72; 3932232 */ +/** basic.get-empty method fields */ +typedef struct amqp_basic_get_empty_t_ { + amqp_bytes_t cluster_id; /**< cluster-id */ +} amqp_basic_get_empty_t; + +#define AMQP_BASIC_ACK_METHOD \ + ((amqp_method_number_t)0x003C0050) /**< basic.ack method id @internal 60, \ + 80; 3932240 */ +/** basic.ack method fields */ +typedef struct amqp_basic_ack_t_ { + uint64_t delivery_tag; /**< delivery-tag */ + amqp_boolean_t multiple; /**< multiple */ +} amqp_basic_ack_t; + +#define AMQP_BASIC_REJECT_METHOD \ + ((amqp_method_number_t)0x003C005A) /**< basic.reject method id @internal \ + 60, 90; 3932250 */ +/** basic.reject method fields */ +typedef struct amqp_basic_reject_t_ { + uint64_t delivery_tag; /**< delivery-tag */ + amqp_boolean_t requeue; /**< requeue */ +} amqp_basic_reject_t; + +#define AMQP_BASIC_RECOVER_ASYNC_METHOD \ + ((amqp_method_number_t)0x003C0064) /**< basic.recover-async method id \ + @internal 60, 100; 3932260 */ +/** basic.recover-async method fields */ +typedef struct amqp_basic_recover_async_t_ { + amqp_boolean_t requeue; /**< requeue */ +} amqp_basic_recover_async_t; + +#define AMQP_BASIC_RECOVER_METHOD \ + ((amqp_method_number_t)0x003C006E) /**< basic.recover method id @internal \ + 60, 110; 3932270 */ +/** basic.recover method fields */ +typedef struct amqp_basic_recover_t_ { + amqp_boolean_t requeue; /**< requeue */ +} amqp_basic_recover_t; + +#define AMQP_BASIC_RECOVER_OK_METHOD \ + ((amqp_method_number_t)0x003C006F) /**< basic.recover-ok method id \ + @internal 60, 111; 3932271 */ +/** basic.recover-ok method fields */ +typedef struct amqp_basic_recover_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_basic_recover_ok_t; + +#define AMQP_BASIC_NACK_METHOD \ + ((amqp_method_number_t)0x003C0078) /**< basic.nack method id @internal 60, \ + 120; 3932280 */ +/** basic.nack method fields */ +typedef struct amqp_basic_nack_t_ { + uint64_t delivery_tag; /**< delivery-tag */ + amqp_boolean_t multiple; /**< multiple */ + amqp_boolean_t requeue; /**< requeue */ +} amqp_basic_nack_t; + +#define AMQP_TX_SELECT_METHOD \ + ((amqp_method_number_t)0x005A000A) /**< tx.select method id @internal 90, \ + 10; 5898250 */ +/** tx.select method fields */ +typedef struct amqp_tx_select_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_select_t; + +#define AMQP_TX_SELECT_OK_METHOD \ + ((amqp_method_number_t)0x005A000B) /**< tx.select-ok method id @internal \ + 90, 11; 5898251 */ +/** tx.select-ok method fields */ +typedef struct amqp_tx_select_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_select_ok_t; + +#define AMQP_TX_COMMIT_METHOD \ + ((amqp_method_number_t)0x005A0014) /**< tx.commit method id @internal 90, \ + 20; 5898260 */ +/** tx.commit method fields */ +typedef struct amqp_tx_commit_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_commit_t; + +#define AMQP_TX_COMMIT_OK_METHOD \ + ((amqp_method_number_t)0x005A0015) /**< tx.commit-ok method id @internal \ + 90, 21; 5898261 */ +/** tx.commit-ok method fields */ +typedef struct amqp_tx_commit_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_commit_ok_t; + +#define AMQP_TX_ROLLBACK_METHOD \ + ((amqp_method_number_t)0x005A001E) /**< tx.rollback method id @internal \ + 90, 30; 5898270 */ +/** tx.rollback method fields */ +typedef struct amqp_tx_rollback_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_rollback_t; + +#define AMQP_TX_ROLLBACK_OK_METHOD \ + ((amqp_method_number_t)0x005A001F) /**< tx.rollback-ok method id @internal \ + 90, 31; 5898271 */ +/** tx.rollback-ok method fields */ +typedef struct amqp_tx_rollback_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_rollback_ok_t; + +#define AMQP_CONFIRM_SELECT_METHOD \ + ((amqp_method_number_t)0x0055000A) /**< confirm.select method id @internal \ + 85, 10; 5570570 */ +/** confirm.select method fields */ +typedef struct amqp_confirm_select_t_ { + amqp_boolean_t nowait; /**< nowait */ +} amqp_confirm_select_t; + +#define AMQP_CONFIRM_SELECT_OK_METHOD \ + ((amqp_method_number_t)0x0055000B) /**< confirm.select-ok method id \ + @internal 85, 11; 5570571 */ +/** confirm.select-ok method fields */ +typedef struct amqp_confirm_select_ok_t_ { + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_confirm_select_ok_t; + +/* Class property records. */ +#define AMQP_CONNECTION_CLASS \ + (0x000A) /**< connection class id @internal 10 \ + */ +/** connection class properties */ +typedef struct amqp_connection_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_connection_properties_t; + +#define AMQP_CHANNEL_CLASS (0x0014) /**< channel class id @internal 20 */ +/** channel class properties */ +typedef struct amqp_channel_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_channel_properties_t; + +#define AMQP_ACCESS_CLASS (0x001E) /**< access class id @internal 30 */ +/** access class properties */ +typedef struct amqp_access_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_access_properties_t; + +#define AMQP_EXCHANGE_CLASS (0x0028) /**< exchange class id @internal 40 */ +/** exchange class properties */ +typedef struct amqp_exchange_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_exchange_properties_t; + +#define AMQP_QUEUE_CLASS (0x0032) /**< queue class id @internal 50 */ +/** queue class properties */ +typedef struct amqp_queue_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_queue_properties_t; + +#define AMQP_BASIC_CLASS (0x003C) /**< basic class id @internal 60 */ +#define AMQP_BASIC_CONTENT_TYPE_FLAG (1 << 15) +#define AMQP_BASIC_CONTENT_ENCODING_FLAG (1 << 14) +#define AMQP_BASIC_HEADERS_FLAG (1 << 13) +#define AMQP_BASIC_DELIVERY_MODE_FLAG (1 << 12) +#define AMQP_BASIC_PRIORITY_FLAG (1 << 11) +#define AMQP_BASIC_CORRELATION_ID_FLAG (1 << 10) +#define AMQP_BASIC_REPLY_TO_FLAG (1 << 9) +#define AMQP_BASIC_EXPIRATION_FLAG (1 << 8) +#define AMQP_BASIC_MESSAGE_ID_FLAG (1 << 7) +#define AMQP_BASIC_TIMESTAMP_FLAG (1 << 6) +#define AMQP_BASIC_TYPE_FLAG (1 << 5) +#define AMQP_BASIC_USER_ID_FLAG (1 << 4) +#define AMQP_BASIC_APP_ID_FLAG (1 << 3) +#define AMQP_BASIC_CLUSTER_ID_FLAG (1 << 2) +/** basic class properties */ +typedef struct amqp_basic_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + amqp_bytes_t content_type; /**< content-type */ + amqp_bytes_t content_encoding; /**< content-encoding */ + amqp_table_t headers; /**< headers */ + uint8_t delivery_mode; /**< delivery-mode */ + uint8_t priority; /**< priority */ + amqp_bytes_t correlation_id; /**< correlation-id */ + amqp_bytes_t reply_to; /**< reply-to */ + amqp_bytes_t expiration; /**< expiration */ + amqp_bytes_t message_id; /**< message-id */ + uint64_t timestamp; /**< timestamp */ + amqp_bytes_t type; /**< type */ + amqp_bytes_t user_id; /**< user-id */ + amqp_bytes_t app_id; /**< app-id */ + amqp_bytes_t cluster_id; /**< cluster-id */ +} amqp_basic_properties_t; + +#define AMQP_TX_CLASS (0x005A) /**< tx class id @internal 90 */ +/** tx class properties */ +typedef struct amqp_tx_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_tx_properties_t; + +#define AMQP_CONFIRM_CLASS (0x0055) /**< confirm class id @internal 85 */ +/** confirm class properties */ +typedef struct amqp_confirm_properties_t_ { + amqp_flags_t _flags; /**< bit-mask of set fields */ + char dummy; /**< Dummy field to avoid empty struct */ +} amqp_confirm_properties_t; + +/* API functions for methods */ + +/** + * amqp_channel_open + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @returns amqp_channel_open_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_channel_open_ok_t *AMQP_CALL + amqp_channel_open(amqp_connection_state_t state, amqp_channel_t channel); +/** + * amqp_channel_flow + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] active active + * @returns amqp_channel_flow_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_channel_flow_ok_t *AMQP_CALL + amqp_channel_flow(amqp_connection_state_t state, amqp_channel_t channel, + amqp_boolean_t active); +/** + * amqp_exchange_declare + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] exchange exchange + * @param [in] type type + * @param [in] passive passive + * @param [in] durable durable + * @param [in] auto_delete auto_delete + * @param [in] internal internal + * @param [in] arguments arguments + * @returns amqp_exchange_declare_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_exchange_declare_ok_t *AMQP_CALL amqp_exchange_declare( + amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t exchange, amqp_bytes_t type, amqp_boolean_t passive, + amqp_boolean_t durable, amqp_boolean_t auto_delete, amqp_boolean_t internal, + amqp_table_t arguments); +/** + * amqp_exchange_delete + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] exchange exchange + * @param [in] if_unused if_unused + * @returns amqp_exchange_delete_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_exchange_delete_ok_t *AMQP_CALL + amqp_exchange_delete(amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t exchange, amqp_boolean_t if_unused); +/** + * amqp_exchange_bind + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] destination destination + * @param [in] source source + * @param [in] routing_key routing_key + * @param [in] arguments arguments + * @returns amqp_exchange_bind_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_exchange_bind_ok_t *AMQP_CALL + amqp_exchange_bind(amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t destination, amqp_bytes_t source, + amqp_bytes_t routing_key, amqp_table_t arguments); +/** + * amqp_exchange_unbind + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] destination destination + * @param [in] source source + * @param [in] routing_key routing_key + * @param [in] arguments arguments + * @returns amqp_exchange_unbind_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_exchange_unbind_ok_t *AMQP_CALL + amqp_exchange_unbind(amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t destination, amqp_bytes_t source, + amqp_bytes_t routing_key, amqp_table_t arguments); +/** + * amqp_queue_declare + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @param [in] passive passive + * @param [in] durable durable + * @param [in] exclusive exclusive + * @param [in] auto_delete auto_delete + * @param [in] arguments arguments + * @returns amqp_queue_declare_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_queue_declare_ok_t *AMQP_CALL amqp_queue_declare( + amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, + amqp_boolean_t passive, amqp_boolean_t durable, amqp_boolean_t exclusive, + amqp_boolean_t auto_delete, amqp_table_t arguments); +/** + * amqp_queue_bind + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @param [in] exchange exchange + * @param [in] routing_key routing_key + * @param [in] arguments arguments + * @returns amqp_queue_bind_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_queue_bind_ok_t *AMQP_CALL amqp_queue_bind( + amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, + amqp_bytes_t exchange, amqp_bytes_t routing_key, amqp_table_t arguments); +/** + * amqp_queue_purge + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @returns amqp_queue_purge_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_queue_purge_ok_t *AMQP_CALL amqp_queue_purge(amqp_connection_state_t state, + amqp_channel_t channel, + amqp_bytes_t queue); +/** + * amqp_queue_delete + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @param [in] if_unused if_unused + * @param [in] if_empty if_empty + * @returns amqp_queue_delete_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_queue_delete_ok_t *AMQP_CALL amqp_queue_delete( + amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, + amqp_boolean_t if_unused, amqp_boolean_t if_empty); +/** + * amqp_queue_unbind + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @param [in] exchange exchange + * @param [in] routing_key routing_key + * @param [in] arguments arguments + * @returns amqp_queue_unbind_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_queue_unbind_ok_t *AMQP_CALL amqp_queue_unbind( + amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, + amqp_bytes_t exchange, amqp_bytes_t routing_key, amqp_table_t arguments); +/** + * amqp_basic_qos + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] prefetch_size prefetch_size + * @param [in] prefetch_count prefetch_count + * @param [in] global global + * @returns amqp_basic_qos_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_basic_qos_ok_t *AMQP_CALL amqp_basic_qos(amqp_connection_state_t state, + amqp_channel_t channel, + uint32_t prefetch_size, + uint16_t prefetch_count, + amqp_boolean_t global); +/** + * amqp_basic_consume + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] queue queue + * @param [in] consumer_tag consumer_tag + * @param [in] no_local no_local + * @param [in] no_ack no_ack + * @param [in] exclusive exclusive + * @param [in] arguments arguments + * @returns amqp_basic_consume_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_basic_consume_ok_t *AMQP_CALL amqp_basic_consume( + amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, + amqp_bytes_t consumer_tag, amqp_boolean_t no_local, amqp_boolean_t no_ack, + amqp_boolean_t exclusive, amqp_table_t arguments); +/** + * amqp_basic_cancel + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] consumer_tag consumer_tag + * @returns amqp_basic_cancel_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_basic_cancel_ok_t *AMQP_CALL + amqp_basic_cancel(amqp_connection_state_t state, amqp_channel_t channel, + amqp_bytes_t consumer_tag); +/** + * amqp_basic_recover + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @param [in] requeue requeue + * @returns amqp_basic_recover_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_basic_recover_ok_t *AMQP_CALL + amqp_basic_recover(amqp_connection_state_t state, amqp_channel_t channel, + amqp_boolean_t requeue); +/** + * amqp_tx_select + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @returns amqp_tx_select_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_tx_select_ok_t *AMQP_CALL amqp_tx_select(amqp_connection_state_t state, + amqp_channel_t channel); +/** + * amqp_tx_commit + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @returns amqp_tx_commit_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_tx_commit_ok_t *AMQP_CALL amqp_tx_commit(amqp_connection_state_t state, + amqp_channel_t channel); +/** + * amqp_tx_rollback + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @returns amqp_tx_rollback_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_tx_rollback_ok_t *AMQP_CALL amqp_tx_rollback(amqp_connection_state_t state, + amqp_channel_t channel); +/** + * amqp_confirm_select + * + * @param [in] state connection state + * @param [in] channel the channel to do the RPC on + * @returns amqp_confirm_select_ok_t + */ +AMQP_PUBLIC_FUNCTION +amqp_confirm_select_ok_t *AMQP_CALL + amqp_confirm_select(amqp_connection_state_t state, amqp_channel_t channel); + +AMQP_END_DECLS + +#endif /* AMQP_FRAMING_H */ diff --git a/include/amqp_ssl_socket.h b/include/amqp_ssl_socket.h new file mode 100644 index 0000000..db3aa73 --- /dev/null +++ b/include/amqp_ssl_socket.h @@ -0,0 +1,298 @@ +/** \file */ +/* + * Portions created by Alan Antonuk are Copyright (c) 2013-2014 Alan Antonuk. + * All Rights Reserved. + * + * Portions created by Michael Steinert are Copyright (c) 2012-2013 Michael + * Steinert. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef AMQP_SSL_H +#define AMQP_SSL_H + +#include + +AMQP_BEGIN_DECLS + +/** + * Create a new SSL/TLS socket object. + * + * The returned socket object is owned by the \ref amqp_connection_state_t + * object and will be destroyed when the state object is destroyed or a new + * socket object is created. + * + * If the socket object creation fails, the \ref amqp_connection_state_t object + * will not be changed. + * + * The object returned by this function can be retrieved from the + * amqp_connection_state_t object later using the amqp_get_socket() function. + * + * Calling this function may result in the underlying SSL library being + * initialized. + * \sa amqp_set_initialize_ssl_library() + * + * \param [in,out] state The connection object that owns the SSL/TLS socket + * \return A new socket object or NULL if an error occurred. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_socket_t *AMQP_CALL amqp_ssl_socket_new(amqp_connection_state_t state); + +/** + * Get the internal OpenSSL context. Caveat emptor. + * + * \param [in,out] self An SSL/TLS socket object. + * + * \return A pointer to the internal OpenSSL context. This should be cast to + * SSL_CTX*. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +void *AMQP_CALL amqp_ssl_socket_get_context(amqp_socket_t *self); + +/** + * Set the CA certificate. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] cacert Path to the CA cert file in PEM format. + * + * \return \ref AMQP_STATUS_OK on success an \ref amqp_status_enum value on + * failure. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_ssl_socket_set_cacert(amqp_socket_t *self, + const char *cacert); + +/** + * Set the password of key in PEM format. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] passwd The password of key in PEM format. + * + * \since v0.11.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_ssl_socket_set_key_passwd(amqp_socket_t *self, + const char *passwd); + +/** + * Set the client key. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] cert Path to the client certificate in PEM foramt. + * \param [in] key Path to the client key in PEM format. + * + * \return \ref AMQP_STATUS_OK on success an \ref amqp_status_enum value on + * failure. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_ssl_socket_set_key(amqp_socket_t *self, const char *cert, + const char *key); + +/** + * Set the client key use the engine. + * + * This function requires amqp_set_ssl_engine() has been called. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] cert Path to the client certificate in PEM foramt. + * \param [in] the key ID. + * + * \return \ref AMQP_STATUS_OK on success an \ref amqp_status_enum value on + * failure. + * + * \since v0.11.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_ssl_socket_set_key_engine(amqp_socket_t *self, + const char *cert, const char *key); + +/** + * Set the client key from a buffer. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] cert Path to the client certificate in PEM foramt. + * \param [in] key A buffer containing client key in PEM format. + * \param [in] n The length of the buffer. + * + * \return \ref AMQP_STATUS_OK on success an \ref amqp_status_enum value on + * failure. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_ssl_socket_set_key_buffer(amqp_socket_t *self, + const char *cert, const void *key, + size_t n); + +/** + * Enable or disable peer verification. + * + * \deprecated use \amqp_ssl_socket_set_verify_peer and + * \amqp_ssl_socket_set_verify_hostname instead. + * + * If peer verification is enabled then the common name in the server + * certificate must match the server name. Peer verification is enabled by + * default. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] verify Enable or disable peer verification. + * + * \since v0.4.0 + */ +AMQP_DEPRECATED(AMQP_PUBLIC_FUNCTION void AMQP_CALL amqp_ssl_socket_set_verify( + amqp_socket_t *self, amqp_boolean_t verify)); + +/** + * Enable or disable peer verification. + * + * Peer verification validates the certificate chain that is sent by the broker. + * Hostname validation is controlled by \amqp_ssl_socket_set_verify_peer. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] verify enable or disable peer validation + * + * \since v0.8.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_ssl_socket_set_verify_peer(amqp_socket_t *self, + amqp_boolean_t verify); + +/** + * Enable or disable hostname verification. + * + * Hostname verification checks the broker cert for a CN or SAN that matches the + * hostname that amqp_socket_open() is presented. Peer verification is + * controlled by \amqp_ssl_socket_set_verify_peer + * + * \since v0.8.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_ssl_socket_set_verify_hostname(amqp_socket_t *self, + amqp_boolean_t verify); + +typedef enum { + AMQP_TLSv1 = 1, + AMQP_TLSv1_1 = 2, + AMQP_TLSv1_2 = 3, + AMQP_TLSvLATEST = 0xFFFF +} amqp_tls_version_t; + +/** + * Set min and max TLS versions. + * + * Set the oldest and newest acceptable TLS versions that are acceptable when + * connecting to the broker. Set min == max to restrict to just that + * version. + * + * \param [in,out] self An SSL/TLS socket object. + * \param [in] min the minimum acceptable TLS version + * \param [in] max the maxmium acceptable TLS version + * \returns AMQP_STATUS_OK on success, AMQP_STATUS_UNSUPPORTED if OpenSSL does + * not support the requested TLS version, AMQP_STATUS_INVALID_PARAMETER if an + * invalid combination of parameters is passed. + * + * \since v0.8.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_ssl_socket_set_ssl_versions(amqp_socket_t *self, + amqp_tls_version_t min, + amqp_tls_version_t max); + +/** + * Sets whether rabbitmq-c will initialize OpenSSL. + * + * OpenSSL requires a one-time initialization across a whole program, this sets + * whether or not rabbitmq-c will initialize the SSL library when the first call + * to amqp_ssl_socket_new() is made. You should call this function with + * do_init = 0 if the underlying SSL library is initialized somewhere else + * the program. + * + * Failing to initialize or double initialization of the SSL library will + * result in undefined behavior + * + * By default rabbitmq-c will initialize the underlying SSL library. + * + * NOTE: calling this function after the first socket has been opened with + * amqp_open_socket() will not have any effect. + * + * \param [in] do_initialize If 0 rabbitmq-c will not initialize the SSL + * library, otherwise rabbitmq-c will initialize the + * SSL library + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_set_initialize_ssl_library(amqp_boolean_t do_initialize); + +/** + * Initialize the underlying SSL/TLS library. + * + * The OpenSSL library requires a one-time initialization across the whole + * program. + * + * This function unconditionally initializes OpenSSL so that rabbitmq-c may + * use it. + * + * This function is thread-safe, and may be called more than once. + * + * \return AMQP_STATUS_OK on success. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_initialize_ssl_library(void); + +/** + * Set the engine for underlying SSL/TLS library. + * + * This function is thread-safe, and may be called more than once. + * + * This function requires amqp_initialize_ssl_library() or amqp_ssl_socket_new() + * has been called. + * + * \param [in] engine the engine ID + * \return AMQP_STATUS_OK on success. + * + * \since v0.11.0 + */ +AMQP_PUBLIC_FUNCTION +int amqp_set_ssl_engine(const char *engine); + +/** + * Uninitialize the underlying SSL/TLS library. + * + * \return AMQP_STATUS_OK on success. + * + * \since v0.9.0 + */ +AMQP_PUBLIC_FUNCTION +int AMQP_CALL amqp_uninitialize_ssl_library(void); + +AMQP_END_DECLS + +#endif /* AMQP_SSL_H */ diff --git a/include/amqp_tcp_socket.h b/include/amqp_tcp_socket.h new file mode 100644 index 0000000..3e9d82f --- /dev/null +++ b/include/amqp_tcp_socket.h @@ -0,0 +1,68 @@ +/** \file */ +/* + * Portions created by Alan Antonuk are Copyright (c) 2013-2014 Alan Antonuk. + * All Rights Reserved. + * + * Portions created by Michael Steinert are Copyright (c) 2012-2013 Michael + * Steinert. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * A TCP socket connection. + */ + +#ifndef AMQP_TCP_SOCKET_H +#define AMQP_TCP_SOCKET_H + +#include + +AMQP_BEGIN_DECLS + +/** + * Create a new TCP socket. + * + * Call amqp_connection_close() to release socket resources. + * + * \return A new socket object or NULL if an error occurred. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +amqp_socket_t *AMQP_CALL amqp_tcp_socket_new(amqp_connection_state_t state); + +/** + * Assign an open file descriptor to a socket object. + * + * This function must not be used in conjunction with amqp_socket_open(), i.e. + * the socket connection should already be open(2) when this function is + * called. + * + * \param [in,out] self A TCP socket object. + * \param [in] sockfd An open socket descriptor. + * + * \since v0.4.0 + */ +AMQP_PUBLIC_FUNCTION +void AMQP_CALL amqp_tcp_socket_set_sockfd(amqp_socket_t *self, int sockfd); + +AMQP_END_DECLS + +#endif /* AMQP_TCP_SOCKET_H */ -- cgit v1.2.1