+/* $Id$ */
+
+/* GridRPC - Fake Grid RPC thingy doing matrix multiplications (as expected)*/
+
+/* Copyright (c) 2005 Martin Quinson. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#define GRAS_DEFINE_TYPE_EXTERN
+#include "mmrpc.h"
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(MatMult);
+
+int client(int argc,char *argv[]) {
+ xbt_ex_t e;
+ gras_socket_t toserver=NULL; /* peer */
+
+ gras_socket_t from;
+ matrix_t request[2], answer;
+
+ int i,j;
+
+ const char *host = "127.0.0.1";
+ int port = 4000;
+
+ /* 1. Init the GRAS's infrastructure */
+ gras_init(&argc, argv);
+
+ /* 2. Get the server's address. The command line override defaults when specified */
+ if (argc == 3) {
+ host=argv[1];
+ port=atoi(argv[2]);
+ }
+
+ INFO2("Launch client (server on %s:%d)",host,port);
+
+ /* 3. Wait for the server startup */
+ gras_os_sleep(1);
+
+ /* 4. Create a socket to speak to the server */
+ TRY {
+ toserver=gras_socket_client(host,port);
+ } CATCH(e) {
+ RETHROW0("Unable to connect to the server: %s");
+ }
+ INFO2("Connected to %s:%d.",host,port);
+
+
+ /* 5. Register the messages (before use) */
+ mmrpc_register_messages();
+
+ /* 6. Keep the user informed of what's going on */
+ INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
+ gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
+
+ /* 7. Prepare and send the request to the server */
+
+ request[0].rows=request[0].cols=request[1].rows=request[1].cols=MATSIZE;
+
+ request[0].ctn=xbt_malloc0(sizeof(double)*MATSIZE*MATSIZE);
+ request[1].ctn=xbt_malloc0(sizeof(double)*MATSIZE*MATSIZE);
+
+ for (i=0; i<MATSIZE; i++) {
+ request[0].ctn[i*MATSIZE+i] = 1;
+ for (j=0; j<MATSIZE; j++)
+ request[1].ctn[i*MATSIZE+j] = i*MATSIZE+j;
+ }
+ /* mat_dump(&request[0],"C:sent0");*/
+ /* mat_dump(&request[1],"C:sent1");*/
+
+ gras_msg_send(toserver, gras_msgtype_by_name("request"), &request);
+
+ free(request[0].ctn);
+ free(request[1].ctn);
+
+ INFO2(">>>>>>>> Request sent to %s:%d <<<<<<<<",
+ gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
+
+ /* 8. Wait for the answer from the server, and deal with issues */
+ gras_msg_wait(6000,gras_msgtype_by_name("answer"),&from,&answer);
+
+ /* mat_dump(&answer,"C:answer");*/
+ for (i=0; i<MATSIZE*MATSIZE; i++)
+ xbt_assert(answer.ctn[i]==i);
+
+ /* 9. Keep the user informed of what's going on, again */
+ INFO2(">>>>>>>> Got answer from %s:%d <<<<<<<<",
+ gras_socket_peer_name(from),gras_socket_peer_port(from));
+
+ /* 10. Free the allocated resources, and shut GRAS down */
+ free(answer.ctn);
+ gras_socket_close(toserver);
+ gras_exit();
+ INFO0("Done.");
+ return 0;
+} /* end_of_client */