+++ /dev/null
-/* 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 "xbt/matrix.h"
-#include "mmrpc.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(MatMult,"Messages specific to this example");
-
-/* register messages which may be sent and their payload
- (common to client and server) */
-void mmrpc_register_messages(void) {
- gras_datadesc_type_t matrix_type, request_type;
-
- matrix_type=gras_datadesc_matrix(gras_datadesc_by_name("double"),
- NULL);
- request_type=gras_datadesc_array_fixed("s_matrix_t(double)[2]",matrix_type,2);
-
- gras_msgtype_declare("answer", matrix_type);
- gras_msgtype_declare("request", request_type);
-}
-
-typedef xbt_matrix_t request_t[2];
-static int server_cb_request_handler(gras_msg_cb_ctx_t ctx,
- void *payload_data) {
-
- gras_socket_t expeditor=gras_msg_cb_ctx_from(ctx);
-
- /* 1. Get the payload into the data variable */
- xbt_matrix_t *request = (xbt_matrix_t*)payload_data;
- xbt_matrix_t result;
-
- /* 2. Do the computation */
- result = xbt_matrix_double_new_mult(request[0], request[1]);
-
- /* 3. Send it back as payload of a pong message to the expeditor */
- gras_msg_send(expeditor, "answer", &result);
-
- /* 4. Cleanups */
- xbt_matrix_free(request[0]);
- xbt_matrix_free(request[1]);
- xbt_matrix_free(result);
- gras_socket_close(expeditor);
-
- return 0;
-} /* end_of_server_cb_request_handler */
-
-int server (int argc,char *argv[]) {
- xbt_ex_t e;
- gras_socket_t sock=NULL;
- int port = 4000;
-
- /* 1. Init the GRAS infrastructure */
- gras_init(&argc,argv);
-
- /* 2. Get the port I should listen on from the command line, if specified */
- if (argc == 2) {
- port=atoi(argv[1]);
- }
-
- /* 3. Create my master socket */
- INFO1("Launch server (port=%d)", port);
- TRY {
- sock = gras_socket_server(port);
- } CATCH(e) {
- RETHROW0("Unable to establish a server socket: %s");
- }
-
- /* 4. Register the known messages and payloads. */
- mmrpc_register_messages();
-
- /* 5. Register my callback */
- gras_cb_register("request",&server_cb_request_handler);
-
- /* 6. Wait up to 10 minutes for an incomming message to handle */
- gras_msg_handle(600.0);
-
- /* 7. Free the allocated resources, and shut GRAS down */
- gras_socket_close(sock);
- gras_exit();
-
- INFO0("Done.");
- return 0;
-} /* end_of_server */
-
-
-int client(int argc,char *argv[]) {
- xbt_ex_t e;
- gras_socket_t toserver=NULL; /* peer */
-
- gras_socket_t from;
- xbt_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] = xbt_matrix_double_new_id(MATSIZE,MATSIZE);
- request[1] = xbt_matrix_double_new_rand(MATSIZE,MATSIZE);
-
- /*
- xbt_matrix_dump(request[0],"C:sent0",0,xbt_matrix_dump_display_double);
- xbt_matrix_dump(request[1],"C:sent1",0,xbt_matrix_dump_display_double);
- */
-
- gras_msg_send(toserver, "request", &request);
-
- xbt_matrix_free(request[0]);
-
- 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,"answer",&from,&answer);
-
- /*
- xbt_matrix_dump(answer,"C:answer",0,xbt_matrix_dump_display_double);
- */
- for (i=0; i<MATSIZE; i++)
- for (j=0; i<MATSIZE; i++)
- xbt_assert4(xbt_matrix_get_as(answer,i,j,double)==xbt_matrix_get_as(request[1],i,j,double),
- "Answer does not match expectations. Found %f at cell %d,%d instead of %f",
- xbt_matrix_get_as(answer,i,j,double),i,j,
- xbt_matrix_get_as(request[1],i,j,double));
-
- /* 9. Keep the user informed of what's going on, again */
- INFO2(">>>>>>>> Got answer from %s:%d (values are right) <<<<<<<<",
- gras_socket_peer_name(from),gras_socket_peer_port(from));
-
- /* 10. Free the allocated resources, and shut GRAS down */
- xbt_matrix_free(request[1]);
- xbt_matrix_free(answer);
- gras_socket_close(toserver);
- gras_exit();
- INFO0("Done.");
- return 0;
-} /* end_of_client */
