1 /* msg_handle - ensures the semantic of gras_msg_handle(i) for i<0,=0 or >0 */
3 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
5 /* Thanks to Flavien Vernier for reporting an issue around this */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
12 XBT_LOG_NEW_DEFAULT_CATEGORY(test, "Messages specific to this test");
14 int server(int argc, char *argv[]);
15 int client(int argc, char *argv[]);
17 static int server_cb_hello_handler(gras_msg_cb_ctx_t ctx,
20 XBT_INFO("Got the message");
24 int server(int argc, char *argv[])
26 volatile xbt_socket_t me = NULL, pal = NULL;
31 _XBT_GNUC_UNUSED int got_expected;
32 _XBT_GNUC_UNUSED double now;
35 gras_init(&argc, argv);
37 xbt_assert(argc == 3, "Usage: server <myport> <client>");
38 myport = atoi(argv[1]);
41 gras_msgtype_declare("hello", NULL);
42 gras_cb_register("hello", &server_cb_hello_handler);
44 XBT_INFO("Launch server (port=%d)", myport);
46 me = gras_socket_server(myport);
49 RETHROWF("Unable to establish a server socket: %s");
51 gras_os_sleep(1); /* Wait for pal to startup */
53 pal = gras_socket_client_from_string(palstr);
56 RETHROWF("Unable to establish a socket to %s: %s", palstr);
58 XBT_INFO("Initialization done.");
61 /* Launch handle(0) when there is no message. Timeout expected */
67 if (e.category == timeout_error) {
71 RETHROWF("Didn't got the expected timeout: %s");
74 xbt_assert(got_expected,
75 "gras_msg_handle(0) do not lead to any timeout exception");
76 xbt_assert(gras_os_time() - now < 0.01,
77 "gras_msg_handle(0) do not anwser immediately (%.4fsec)",
78 gras_os_time() - now);
79 XBT_INFO("gras_msg_handle(0) works as expected (immediate timeout)");
80 /* Launch handle(0) when there is no message. Timeout expected */
86 if (e.category == timeout_error) {
90 RETHROWF("Didn't got the expected timeout: %s");
93 xbt_assert(got_expected,
94 "gras_msg_handle(1) do not lead to any timeout exception");
95 xbt_assert(gras_os_time() - now < 1.5,
96 "gras_msg_handle(1) needs more than 1.5 sec to answer (%.4fsec)",
97 gras_os_time() - now);
98 xbt_assert(gras_os_time() - now >= 1.0,
99 "gras_msg_handle(1) answers in less than one second (%.4fsec)",
100 gras_os_time() - now);
101 XBT_INFO("gras_msg_handle(1) works as expected (delayed timeout)");
104 /* Send an hello to the client to unlock it */
105 XBT_INFO("Unlock pal");
106 gras_msg_send(pal, "hello", NULL);
108 /* Frees the allocated resources, and shut GRAS down */
109 gras_socket_close(me);
110 gras_socket_close(pal);
115 int client(int argc, char *argv[])
117 volatile xbt_socket_t me = NULL, pal = NULL;
121 gras_init(&argc, argv);
122 xbt_assert(argc == 3, "Usage: client <myport> <server>");
123 myport = atoi(argv[1]);
126 gras_msgtype_declare("hello", NULL);
127 gras_cb_register("hello", &server_cb_hello_handler);
129 XBT_INFO("Launch client (port=%d)", myport);
131 me = gras_socket_server(myport);
134 RETHROWF("Unable to establish a server socket: %s");
136 gras_os_sleep(1); /* Wait for pal to startup */
138 pal = gras_socket_client_from_string(palstr);
141 RETHROWF("Unable to establish a socket to %s: %s", palstr);
143 XBT_INFO("Initialization done.");
145 /* Launch handle(-1). Lock until message from server expected */
150 RETHROWF("No exception expected during handle(-1), but got %s");
152 XBT_INFO("gras_msg_handle(-1) works as expected (locked)");
154 /* Frees the allocated resources, and shut GRAS down */
155 gras_socket_close(me);
156 gras_socket_close(pal);