3 /* GridRPC - Fake Grid RPC thingy doing matrix multiplications (as expected)*/
5 /* Copyright (c) 2005 Martin Quinson. 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. */
10 #define GRAS_DEFINE_TYPE_EXTERN
11 #include "xbt/matrix.h"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(MatMult);
16 int client(int argc, char *argv[])
19 gras_socket_t toserver = NULL; /* peer */
23 xbt_matrix_t request[2], answer;
27 const char *host = "127.0.0.1";
30 /* 1. Init the GRAS's infrastructure */
31 gras_init(&argc, argv);
33 /* 2. Get the server's address. The command line override defaults when specified */
39 INFO2("Launch client (server on %s:%d)", host, port);
41 /* 3. Create a socket to speak to the server */
44 toserver = gras_socket_client(host, port);
48 if (e.category != system_error)
49 RETHROW0("Unable to connect to the server: %s");
54 INFO2("Connected to %s:%d.", host, port);
57 /* 4. Register the messages (before use) */
58 mmrpc_register_messages();
60 /* 5. Keep the user informed of what's going on */
61 INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
62 gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
64 /* 6. Prepare and send the request to the server */
66 request[0] = xbt_matrix_double_new_id(MATSIZE, MATSIZE);
67 request[1] = xbt_matrix_double_new_rand(MATSIZE, MATSIZE);
70 xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
71 xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
74 gras_msg_send(toserver, "request", &request);
76 xbt_matrix_free(request[0]);
78 INFO2(">>>>>>>> Request sent to %s:%d <<<<<<<<",
79 gras_socket_peer_name(toserver), gras_socket_peer_port(toserver));
81 /* 7. Wait for the answer from the server, and deal with issues */
82 gras_msg_wait(6000, "answer", &from, &answer);
85 xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
87 for (i = 0; i < MATSIZE; i++)
88 for (j = 0; i < MATSIZE; i++)
89 xbt_assert4(xbt_matrix_get_as(answer, i, j, double) ==
90 xbt_matrix_get_as(request[1], i, j, double),
91 "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
92 xbt_matrix_get_as(answer, i, j, double), i, j,
93 xbt_matrix_get_as(request[1], i, j, double));
95 /* 8. Keep the user informed of what's going on, again */
96 INFO2(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<",
97 gras_socket_peer_name(from), gras_socket_peer_port(from));
99 /* 9. Free the allocated resources, and shut GRAS down */
100 xbt_matrix_free(request[1]);
101 xbt_matrix_free(answer);
102 gras_socket_close(toserver);
105 } /* end_of_client */