-/* $Id$ */
-
/* spawn - demo of the gras_agent_spawn function */
-/* Copyright (c) 2007 Martin Quinson. All rights reserved. */
+/* Copyright (c) 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. */
} father_data_t;
-static int father_cb_ping_handler(gras_msg_cb_ctx_t ctx, void *payload) {
-
+static int father_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 father's state (globals) */
- father_data_t *globals=(father_data_t*)gras_userdata_get();
+ father_data_t *globals = (father_data_t *) gras_userdata_get();
globals->msg_got++;
-
+
/* 3. Log which client connected */
- INFO3("Kid %s:%d pinged me with %d",
- gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor),msg);
-
+ INFO3("Kid %s:%d pinged me with %d",
+ gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor),
+ msg);
+
/* 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, "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 to answer to my poor child: %s");
}
INFO2("Answered to %s:%d's request",
- gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor));
-
+ gras_socket_peer_name(expeditor),
+ gras_socket_peer_port(expeditor));
+
/* 7. Tell GRAS that we consummed this message */
return 0;
-} /* end_of_father_cb_ping_handler */
+} /* end_of_father_cb_ping_handler */
-int father (int argc,char *argv[]) {
+int father(int argc, char *argv[])
+{
father_data_t *globals;
int port = 4000;
int child_amount = 5;
char **child_args;
int i;
-
+
/* 1. Init the GRAS infrastructure and declare my globals */
- gras_init(&argc,argv);
- globals=gras_userdata_new(father_data_t);
-
+ gras_init(&argc, argv);
+ globals = gras_userdata_new(father_data_t);
+
/* 2. Get args from the command line, if specified */
if (argc == 2) {
- port=atoi(argv[1]);
- child_amount=atoi(argv[2]);
+ port = atoi(argv[1]);
+ child_amount = atoi(argv[2]);
}
/* 3. Initialize my globals (mainly create my master socket) */
globals->sock = gras_socket_server(port);
- globals->msg_got = 0;
-
+ globals->msg_got = 0;
+
/* 4. Register the known messages. */
spawn_register_messages();
-
+
/* 5. Register my callback */
- gras_cb_register("ping",&father_cb_ping_handler);
+ gras_cb_register("ping", &father_cb_ping_handler);
- /* 6. Spawn the kids */
+ /* 6. Spawn the kids */
INFO0("Spawn the kids");
- for (i=0; i<child_amount; i++) {
- child_args = xbt_new0(char*,3);
- child_args[0] = xbt_strdup("child");
- child_args[1] = bprintf("%d",port);
- child_args[2] = NULL;
- gras_agent_spawn("child",NULL,child,2,child_args);
+ for (i = 0; i < child_amount; i++) {
+ child_args = xbt_new0(char *, 3);
+ child_args[0] = xbt_strdup("child");
+ child_args[1] = bprintf("%d", port);
+ child_args[2] = NULL;
+ gras_agent_spawn("child", NULL, child, 2, child_args, NULL);
}
-
+
/* 7. Wait to be contacted be the kids */
while (globals->msg_got < child_amount)
- gras_msg_handle(60.0);
+ gras_msg_handle(60.0);
INFO0("All kids gone. Leave now.");
-
+
/* 8. Free the allocated resources, and shut GRAS down */
gras_socket_close(globals->sock);
free(globals);
gras_exit();
-
+
return 0;
-} /* end_of_father */
+} /* end_of_father */
