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[]) {
18 gras_socket_t toserver=NULL; /* peer */
22 xbt_matrix_t request[2], answer;
26 const char *host = "127.0.0.1";
29 /* 1. Init the GRAS's infrastructure */
30 gras_init(&argc, argv);
32 /* 2. Get the server's address. The command line override defaults when specified */
38 INFO2("Launch client (server on %s:%d)",host,port);
40 /* 3. Create a socket to speak to the server */
43 toserver=gras_socket_client(host,port);
46 if (e.category != system_error)
47 RETHROW0("Unable to connect to the server: %s");
52 INFO2("Connected to %s:%d.",host,port);
55 /* 4. Register the messages (before use) */
56 mmrpc_register_messages();
58 /* 5. Keep the user informed of what's going on */
59 INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
60 gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
62 /* 6. Prepare and send the request to the server */
64 request[0] = xbt_matrix_double_new_id(MATSIZE,MATSIZE);
65 request[1] = xbt_matrix_double_new_rand(MATSIZE,MATSIZE);
68 xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
69 xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
72 gras_msg_send(toserver, "request", &request);
74 xbt_matrix_free(request[0]);
76 INFO2(">>>>>>>> Request sent to %s:%d <<<<<<<<",
77 gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
79 /* 7. Wait for the answer from the server, and deal with issues */
80 gras_msg_wait(6000,"answer",&from,&answer);
83 xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
85 for (i=0; i<MATSIZE; i++)
86 for (j=0; i<MATSIZE; i++)
87 xbt_assert4(xbt_matrix_get_as(answer,i,j,double)==xbt_matrix_get_as(request[1],i,j,double),
88 "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
89 xbt_matrix_get_as(answer,i,j,double),i,j,
90 xbt_matrix_get_as(request[1],i,j,double));
92 /* 8. Keep the user informed of what's going on, again */
93 INFO2(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<",
94 gras_socket_peer_name(from),gras_socket_peer_port(from));
96 /* 9. Free the allocated resources, and shut GRAS down */
97 xbt_matrix_free(request[1]);
98 xbt_matrix_free(answer);
99 gras_socket_close(toserver);
102 } /* end_of_client */