1 /* GridRPC - Fake Grid RPC thingy doing matrix multiplications (as expected)*/
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. */
9 #define GRAS_DEFINE_TYPE_EXTERN
10 #include "xbt/matrix.h"
13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(MatMult);
15 static gras_socket_t try_gras_socket_client(const char *host, int port)
17 volatile gras_socket_t sock = NULL;
20 sock = gras_socket_client(host, port);
23 if (e.category != system_error)
24 RETHROWF("Unable to connect to the server: %s");
30 int client(int argc, char *argv[])
32 gras_socket_t toserver = NULL; /* peer */
35 xbt_matrix_t request[2], answer;
38 _XBT_GNUC_UNUSED int j;
40 const char *host = "127.0.0.1";
43 /* 1. Init the GRAS's infrastructure */
44 gras_init(&argc, argv);
46 /* 2. Get the server's address. The command line override defaults when specified */
52 XBT_INFO("Launch client (server on %s:%d)", host, port);
54 /* 3. Register the messages (before use) */
55 mmrpc_register_messages();
57 /* 4. Create a socket to speak to the server */
58 while (!(toserver = try_gras_socket_client(host, port)))
60 XBT_INFO("Connected to %s:%d.", host, port);
62 /* 5. Keep the user informed of what's going on */
63 XBT_INFO(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
64 gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
66 /* 6. Prepare and send the request to the server */
68 request[0] = xbt_matrix_double_new_id(MATSIZE, MATSIZE);
69 request[1] = xbt_matrix_double_new_rand(MATSIZE, MATSIZE);
72 xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
73 xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
76 gras_msg_send(toserver, "request", &request);
78 xbt_matrix_free(request[0]);
80 XBT_INFO(">>>>>>>> Request sent to %s:%d <<<<<<<<",
81 gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
83 /* 7. Wait for the answer from the server, and deal with issues */
84 gras_msg_wait(6000, "answer", &from, &answer);
87 xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
89 for (i = 0; i < MATSIZE; i++)
90 for (j = 0; i < MATSIZE; i++)
91 xbt_assert(xbt_matrix_get_as(answer, i, j, double) ==
92 xbt_matrix_get_as(request[1], i, j, double),
93 "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
94 xbt_matrix_get_as(answer, i, j, double), i, j,
95 xbt_matrix_get_as(request[1], i, j, double));
97 /* 8. Keep the user informed of what's going on, again */
98 XBT_INFO(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<",
99 gras_socket_peer_name(from), gras_socket_peer_port(from));
101 /* 9. Free the allocated resources, and shut GRAS down */
102 xbt_matrix_free(request[1]);
103 xbt_matrix_free(answer);
104 gras_socket_close(toserver);
107 } /* end_of_client */