-/* $Id$ */
-
/* GridRPC - Fake Grid RPC thingy doing matrix multiplications (as expected)*/
/* Copyright (c) 2005 Martin Quinson. All rights reserved. */
* 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_EXTERNAL_DEFAULT_CATEGORY(MatMult);
-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);
-
+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 */
- matrix_t *data=(matrix_t*)payload_data;
- matrix_t result;
- int i,j,k;
-
- /* 2. Make some room to return the result */
- result.lines = data[0].lines;
- result.rows = data[1].rows;
- result.ctn = xbt_malloc0(sizeof(double) * result.lines * result.rows);
-
- /* 3. Do the computation */
- for (i=0; i<result.lines; i++)
- for (j=0; j<result.rows; j++)
- for (k=0; k<data[1].lines; k++)
- result.ctn[i*result.rows + j] += data[0].ctn[i*result.rows +k] *data[1].ctn[k*result.rows +j];
-
- /* 4. Send it back as payload of a pong message to the expeditor */
- gras_msg_send(expeditor, gras_msgtype_by_name("answer"), &result);
-
- /* 5. Cleanups */
- free(data[0].ctn);
- free(data[1].ctn);
- free(result.ctn);
- gras_socket_close(expeditor);
-
- return 1;
-} /* end_of_server_cb_request_handler */
-
-int server (int argc,char *argv[]) {
- xbt_ex_t e;
- gras_socket_t sock=NULL;
+ 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);
+
+ 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);
-
+ 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]);
+ port = atoi(argv[1]);
}
/* 3. Create my master socket */
INFO1("Launch server (port=%d)", port);
TRY {
sock = gras_socket_server(port);
- } CATCH(e) {
+ }
+ 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(gras_msgtype_by_name("request"),&server_cb_request_handler);
+ 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 */
+} /* end_of_server */
