From: cherierm Date: Wed, 11 Apr 2007 19:34:43 +0000 (+0000) Subject: used during the build process X-Git-Tag: v3.3~1961 X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/3c04e8a8a0442b680aa18c22b2dbf0c17e916b41?ds=sidebyside used during the build process git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@3399 48e7efb5-ca39-0410-a469-dd3cf9ba447f --- diff --git a/examples/gras/mmrpc/mmrpc.c b/examples/gras/mmrpc/mmrpc.c new file mode 100644 index 0000000000..de43577630 --- /dev/null +++ b/examples/gras/mmrpc/mmrpc.c @@ -0,0 +1,176 @@ +/* $Id$ */ + +/* 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 "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>>>>>>> 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 */