3 /* ALL2ALL - all2all of GRAS features */
5 /* Copyright (c) 2006 Ahmed Harbaoui. All rights reserved. */
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. */
13 XBT_LOG_NEW_DEFAULT_CATEGORY(all2all,"Messages specific to this example");
15 /* register data which may be sent (common to client and server) */
16 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[]) {
29 int myport; /* port on which I receive stuff */
30 int todo; /* amount of messages I should get */
31 char *data; /* message content */
33 gras_socket_t mysock; /* socket on which other people contact me */
34 gras_socket_t expeditor; /* to notice who wrote me */
36 /* Init the GRAS infrastructure and declare my globals */
37 gras_init(&argc,argv);
39 /* Get my settings from the command line */
43 /* Create my master socket */
44 mysock = gras_socket_server(myport);
46 /* Register the known messages */
47 gras_msgtype_declare("data", gras_datadesc_by_name("string"));
51 INFO2("Listening on port %d (expecting %d messages)",
52 gras_socket_my_port(mysock),
55 gras_msg_wait(60 /* wait up to one minute */,
61 INFO3("Got Data from %s:%d (still %d to go)",
62 gras_socket_peer_name(expeditor), gras_socket_peer_port(expeditor),
67 /* Free the allocated resources, and shut GRAS down */
68 gras_socket_close(mysock);
72 } /* end_of_receiver */
74 /* **********************************************************************
76 * **********************************************************************/
78 int sender (int argc,char *argv[]) {
80 unsigned int iter; /* iterator */
81 char *data; /* data exchanged */
82 int datasize; /* size of message */
83 xbt_peer_t h; /* iterator */
86 gras_socket_t peer=NULL; /* socket to node */
89 /* xbt_dynar for peers */
90 xbt_dynar_t peers = 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);
122 if (e.category != system_error /*in RL*/&& e.category != mismatch_error/*in SG*/)
128 gras_msg_send(peer,"data",&data);
130 INFO2(" Sent Data from %s to %s", gras_os_myname(),h->name);
135 gras_socket_close(peer);
138 /* Free the allocated resources, and shut GRAS down */
140 xbt_dynar_free(&peers);
144 } /* end_of_sender */