Add SSL/TLS examples

Signed-off-by: Michael Steinert <mike.steinert@gmail.com>

1 files changed, 175 insertions, 0 deletions

diff --git a/examples/amqps_consumer.c b/examples/amqps_consumer.c
new file mode 100644
index 0000000..31d251d
--- /dev/null
+++ b/examples/amqps_consumer.c
@@ -0,0 +1,175 @@
+/*
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MIT
+ *
+ * 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 *****
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <stdint.h>
+#include <amqp-ssl.h>
+#include <amqp_framing.h>
+
+#include <assert.h>
+
+#include "utils.h"
+
+#define SUMMARY_EVERY_US 1000000
+
+static void run(amqp_connection_state_t conn)
+{
+  uint64_t start_time = now_microseconds();
+  int received = 0;
+  int previous_received = 0;
+  uint64_t previous_report_time = start_time;
+  uint64_t next_summary_time = start_time + SUMMARY_EVERY_US;
+
+  amqp_frame_t frame;
+  int result;
+  size_t body_received;
+  size_t body_target;
+
+  uint64_t now;
+
+  while (1) {
+    now = now_microseconds();
+    if (now > next_summary_time) {
+      int countOverInterval = received - previous_received;
+      double intervalRate = countOverInterval / ((now - previous_report_time) / 1000000.0);
+      printf("%d ms: Received %d - %d since last report (%d Hz)\n",
+	     (int)(now - start_time) / 1000, received, countOverInterval, (int) intervalRate);
+
+      previous_received = received;
+      previous_report_time = now;
+      next_summary_time += SUMMARY_EVERY_US;
+    }
+
+    amqp_maybe_release_buffers(conn);
+    result = amqp_simple_wait_frame(conn, &frame);
+    if (result < 0)
+      return;
+
+    if (frame.frame_type != AMQP_FRAME_METHOD)
+      continue;
+
+    if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
+      continue;
+
+    result = amqp_simple_wait_frame(conn, &frame);
+    if (result < 0)
+      return;
+
+    if (frame.frame_type != AMQP_FRAME_HEADER) {
+      fprintf(stderr, "Expected header!");
+      abort();
+    }
+
+    body_target = frame.payload.properties.body_size;
+    body_received = 0;
+
+    while (body_received < body_target) {
+      result = amqp_simple_wait_frame(conn, &frame);
+      if (result < 0)
+	return;
+
+      if (frame.frame_type != AMQP_FRAME_BODY) {
+	fprintf(stderr, "Expected body!");
+	abort();
+      }
+
+      body_received += frame.payload.body_fragment.len;
+      assert(body_received <= body_target);
+    }
+
+    received++;
+  }
+}
+
+int main(int argc, char const * const *argv) {
+  char const *hostname;
+  int port;
+  char const *exchange;
+  char const *bindingkey;
+
+  int sockfd;
+  amqp_connection_state_t conn;
+
+  amqp_bytes_t queuename;
+
+  if (argc < 3) {
+    fprintf(stderr, "Usage: amqps_consumer host port "
+		    "[cacert.pem [key.pem cert.pem]]\n");
+    return 1;
+  }
+
+  hostname = argv[1];
+  port = atoi(argv[2]);
+  exchange = "amq.direct"; /* argv[3]; */
+  bindingkey = "test queue"; /* argv[4]; */
+
+  conn = amqp_new_connection();
+
+  die_on_error(sockfd = amqp_open_ssl_socket(conn, hostname, port,
+					     argc > 3 ? argv[3] : NULL,
+					     argc > 5 ? argv[4] : NULL,
+					     argc > 5 ? argv[5] : NULL),
+	       "Opening SSL/TLS socket");
+  die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
+		    "Logging in");
+  amqp_channel_open(conn, 1);
+  die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
+
+  {
+    amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_empty_bytes, 0, 0, 0, 1,
+						    amqp_empty_table);
+    die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
+    queuename = amqp_bytes_malloc_dup(r->queue);
+    if (queuename.bytes == NULL) {
+      fprintf(stderr, "Out of memory while copying queue name");
+      return 1;
+    }
+  }
+
+  amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
+		  amqp_empty_table);
+  die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
+
+  amqp_basic_consume(conn, 1, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
+  die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
+
+  run(conn);
+
+  die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
+  die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
+  die_on_error(amqp_destroy_connection(conn), "Ending connection");
+
+  return 0;
+}