1 /* ALL2ALL - all2all of GRAS features */
3 /* Copyright (c) 2006, 2007, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
12 XBT_LOG_NEW_DEFAULT_CATEGORY(all2all, "Messages specific to this example");
14 /* register data which may be sent (common to client and server) */
15 static void register_messages(void)
19 /* Function prototypes */
20 int receiver(int argc, char *argv[]);
21 int sender(int argc, char *argv[]);
24 /* **********************************************************************
26 * **********************************************************************/
27 int receiver(int argc, char *argv[])
30 int myport; /* port on which I receive stuff */
31 int todo; /* amount of messages I should get */
32 char *data; /* message content */
34 gras_socket_t mysock; /* socket on which other people contact me */
35 gras_socket_t expeditor; /* to notice who wrote me */
37 /* Init the GRAS infrastructure and declare my globals */
38 gras_init(&argc, argv);
40 /* Get my settings from the command line */
41 myport = atoi(argv[1]);
44 /* Register the known messages */
45 gras_msgtype_declare("data", gras_datadesc_by_name("string"));
47 /* Create my master socket */
48 mysock = gras_socket_server(myport);
51 INFO2("Listening on port %d (expecting %d messages)",
52 gras_socket_my_port(mysock), todo);
54 gras_msg_wait(60 /* wait up to one minute */ ,
55 "data", &expeditor, &data);
59 INFO3("Got Data from %s:%d (still %d to go)",
60 gras_socket_peer_name(expeditor),
61 gras_socket_peer_port(expeditor), todo);
65 /* Free the allocated resources, and shut GRAS down */
66 gras_socket_close(mysock);
70 } /* end_of_receiver */
72 /* **********************************************************************
74 * **********************************************************************/
76 int sender(int argc, char *argv[])
79 unsigned int iter; /* iterator */
80 char *data; /* data exchanged */
81 int datasize; /* size of message */
82 xbt_peer_t h; /* iterator */
85 gras_socket_t peer = NULL; /* socket to node */
88 /* xbt_dynar for peers */
90 xbt_dynar_new(sizeof(xbt_peer_t), &xbt_peer_free_voidp);
92 /* Init the GRAS infrastructure and declare my globals */
93 gras_init(&argc, argv);
95 /* Get the node location from argc/argv */
96 for (iter = 1; iter < argc - 1; iter++) {
97 xbt_peer_t peer = xbt_peer_from_string(argv[iter]);
98 xbt_dynar_push(peers, &peer);
101 datasize = atoi(argv[argc - 1]);
103 data = (char *) malloc(datasize + 1); // allocation of datasize octets
104 memset(data, 32, datasize);
105 data[datasize] = '\0';
107 INFO0("Launch current node");
109 /* Register the known messages */
110 gras_msgtype_declare("data", gras_datadesc_by_name("string"));
113 /* write to the receivers */
114 xbt_dynar_foreach(peers, iter, h) {
119 peer = gras_socket_client(h->name, h->port);
123 if (e.category != system_error /*in RL */
124 && e.category != mismatch_error /*in SG */ )
130 gras_msg_send(peer, "data", &data);
132 INFO2(" Sent Data from %s to %s", gras_os_myname(), h->name);
137 gras_socket_close(peer);
140 /* Free the allocated resources, and shut GRAS down */
142 xbt_dynar_free(&peers);
146 } /* end_of_sender */