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#ifndef QPID_SYS_SYSTEMINFO_H
#define QPID_SYS_SYSTEMINFO_H
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/sys/IntegerTypes.h"
#include "qpid/Address.h"
#include "qpid/CommonImportExport.h"
#include <vector>
namespace qpid {
namespace sys {
/**
* Retrieve information about the system we are running on.
* Results may be dependent on OS/hardware.
*/
namespace SystemInfo {
/**
* Estimate available concurrency, e.g. number of CPU cores.
* -1 means estimate not available on this platform.
*/
QPID_COMMON_EXTERN long concurrency();
/**
* Get the local host name and set it in the specified.
* Returns false if it can't be obtained and sets errno to any error value.
*/
QPID_COMMON_EXTERN bool getLocalHostname (Address &address);
/**
* Get the names of all the network interfaces connected to
* this host.
* @param names Receives the list of interface names
*/
QPID_COMMON_EXTERN void getInterfaceNames(std::vector<std::string>& names );
/**
* Get strings for each of the IP addresses associated with a named network
* interface.
* If there is no interface of that name an empty list will be returned.
*
* @param interface The name of the network interface
* @param addresses The list of the strings for the IP addresses are pushed on the back of this parameter
* to get just the list you need to clear the vector before using it.
* @return true if an interface of the correct name was found, false otherwise
*/
QPID_COMMON_EXTERN bool getInterfaceAddresses(const std::string& interface, std::vector<std::string>& addresses);
/**
* Retrieve system identifiers and versions. This is information that can
* generally be retrieved via POSIX uname().
*
* @param osName Receives the OS name; e.g., GNU/Linux or Windows
* @param nodeName Receives the nodename. This may or may not match the
* set hostname from getLocalHostname().
* @param release Receives the OS release identifier.
* @param version Receives the OS release version (kernel, build, sp, etc.)
* @param machine Receives the hardware type.
*/
QPID_COMMON_EXTERN void getSystemId (std::string &osName,
std::string &nodeName,
std::string &release,
std::string &version,
std::string &machine);
/**
* Get the process ID of the current process.
*/
QPID_COMMON_EXTERN uint32_t getProcessId();
/**
* Get the process ID of the parent of the current process.
*/
QPID_COMMON_EXTERN uint32_t getParentProcessId();
/**
* Get the name of the current process (i.e. the name of the executable)
*/
QPID_COMMON_EXTERN std::string getProcessName();
/**
* Can thread related primitives be trusted during runtime house-cleaning?
* (i.e. static destructors, atexit()).
*/
QPID_COMMON_EXTERN bool threadSafeShutdown();
}}} // namespace qpid::sys::SystemInfo
#endif /*!QPID_SYS_SYSTEMINFO_H*/
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