-/* $Id$ */
-
/* ping - ping/pong demo of GRAS features */
-/* Copyright (c) 2003, 2004, 2005 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
} server_data_t;
-static int server_cb_ping_handler(gras_msg_cb_ctx_t ctx, void *payload) {
-
+static int server_cb_ping_handler(gras_msg_cb_ctx_t ctx, void *payload)
+{
+
xbt_ex_t e;
/* 1. Get the payload into the msg variable, and retrieve my caller */
- int msg=*(int*)payload;
+ int msg = *(int *) payload;
gras_socket_t expeditor = gras_msg_cb_ctx_from(ctx);
/* 2. Retrieve the server's state (globals) */
- server_data_t *globals=(server_data_t*)gras_userdata_get();
+ server_data_t *globals = (server_data_t *) gras_userdata_get();
globals->endcondition = 0;
-
+
/* 3. Log which client connected */
- INFO3(">>>>>>>> Got message PING(%d) from %s:%d <<<<<<<<",
- msg,
- gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor));
-
+ INFO3(">>>>>>>> Got message PING(%d) from %s:%d <<<<<<<<",
+ msg,
+ gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor));
+
/* 4. Change the value of the msg variable */
msg = 4321;
/* 5. Send it back as payload of a pong message to the expeditor */
TRY {
- gras_msg_send(expeditor, gras_msgtype_by_name("pong"), &msg);
+ gras_msg_send(expeditor, "pong", &msg);
- /* 6. Deal with errors: add some details to the exception */
+ /* 6. Deal with errors: add some details to the exception */
} CATCH(e) {
gras_socket_close(globals->sock);
RETHROW0("Unable answer with PONG: %s");
}
INFO0(">>>>>>>> Answered with PONG(4321) <<<<<<<<");
-
+
/* 7. Set the endcondition boolean to true (and make sure the server stops after receiving it). */
globals->endcondition = 1;
-
- /* 8. Make sure we don't leak sockets */
- gras_socket_close(expeditor);
-
- /* 9. Tell GRAS that we consummed this message */
- return 1;
-} /* end_of_server_cb_ping_handler */
-
-int server (int argc,char *argv[]) {
+
+ /* 8. Tell GRAS that we consummed this message */
+ return 0;
+} /* end_of_server_cb_ping_handler */
+
+int server(int argc, char *argv[])
+{
server_data_t *globals;
int port = 4000;
-
+
/* 1. Init the GRAS infrastructure and declare my globals */
- gras_init(&argc,argv);
- globals=gras_userdata_new(server_data_t);
-
+ gras_init(&argc, argv);
+ globals = gras_userdata_new(server_data_t);
+
/* 2. Get the port I should listen on from the command line, if specified */
if (argc == 2) {
- port=atoi(argv[1]);
+ port = atoi(argv[1]);
}
INFO1("Launch server (port=%d)", port);
globals->sock = gras_socket_server(port);
/* 4. Register the known messages. This function is called twice here, but it's because
- this file also acts as regression test, no need to do so yourself of course. */
+ this file also acts as regression test, no need to do so yourself of course. */
ping_register_messages();
- ping_register_messages(); /* just to make sure it works ;) */
-
+ ping_register_messages(); /* just to make sure it works ;) */
+
/* 5. Register my callback */
- gras_cb_register(gras_msgtype_by_name("ping"),&server_cb_ping_handler);
+ gras_cb_register("ping", &server_cb_ping_handler);
- INFO1(">>>>>>>> Listening on port %d <<<<<<<<", gras_socket_my_port(globals->sock));
- globals->endcondition=0;
+ INFO1(">>>>>>>> Listening on port %d <<<<<<<<",
+ gras_socket_my_port(globals->sock));
+ globals->endcondition = 0;
/* 6. Wait up to 10 minutes for an incomming message to handle */
- gras_msg_handle(60.0);
-
+ gras_msg_handle(10.0);
+
/* 7. Housekeeping */
if (!globals->endcondition)
- WARN0("An error occured, the endcondition was not set by the callback");
-
+ WARN0("An error occured, the endcondition was not set by the callback");
+
/* 8. Free the allocated resources, and shut GRAS down */
gras_socket_close(globals->sock);
free(globals);
- gras_exit();
-
INFO0("Done.");
+ gras_exit();
+
return 0;
-} /* end_of_server */
+} /* end_of_server */
