+++ /dev/null
-/* $Id$ */
-
-/* sg_transport - SG specific functions for transport */
-
-/* Copyright (c) 2004 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. */
-
-#include "xbt/ex.h"
-#include "gras_simix/Transport/gras_simix_transport_private.h"
-//#include "msg/msg.h"
-#include "gras_simix/Virtu/gras_simix_virtu_sg.h"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_trp);
-
-/* check transport_private.h for an explanation of this variable; this just need to be defined to NULL in SG */
-gras_socket_t _gras_lastly_selected_socket = NULL;
-
-/**
- * gras_trp_select:
- *
- * Returns the next socket to service having a message awaiting.
- *
- * if timeout<0, we ought to implement the adaptative timeout (FIXME)
- *
- * if timeout=0, do not wait for new message, only handle the ones already there.
- *
- * if timeout>0 and no message there, wait at most that amount of time before giving up.
- */
-gras_socket_t gras_trp_select(double timeout) {
- gras_socket_t res;
- gras_trp_procdata_t pd = (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
- gras_trp_sg_sock_data_t *sockdata;
- gras_trp_plugin_t trp;
- gras_socket_t active_socket;
- gras_socket_t sock_iter; /* iterating over all sockets */
- int cursor;
-
- DEBUG0("Trying to get the lock pd, trp_select");
- SIMIX_mutex_lock(pd->mutex);
- DEBUG3("select on %s@%s with timeout=%f",
- SIMIX_process_get_name(SIMIX_process_self()),
- SIMIX_host_get_name(SIMIX_host_self()),
- timeout);
-
- if (xbt_fifo_size(pd->active_socket) == 0) {
- /* message didn't arrive yet, wait */
- SIMIX_cond_wait_timeout(pd->cond,pd->mutex,timeout);
- }
-
- if (xbt_fifo_size(pd->active_socket) == 0) {
- DEBUG0("TIMEOUT");
- SIMIX_mutex_unlock(pd->mutex);
- THROW0(timeout_error,0,"Timeout");
- }
- active_socket = xbt_fifo_shift(pd->active_socket);
-
- /* Ok, got something. Open a socket back to the expeditor */
-
- /* Try to reuse an already openned socket to that expeditor */
- DEBUG1("Open sockets size %lu",xbt_dynar_length(pd->sockets));
- xbt_dynar_foreach(pd->sockets,cursor,sock_iter) {
- DEBUG1("Consider %p as outgoing socket to expeditor",sock_iter);
-
- if (sock_iter->meas || !sock_iter->outgoing)
- continue;
- /*
- if ((sock_iter->peer_port == active_socket->port) &&
- (((gras_trp_sg_sock_data_t*)sock_iter->data)->to_host == SIMIX_process_get_host(((gras_trp_sg_sock_data_t*)active_socket->data)->from_process))) {
- */
- if ( (((gras_trp_sg_sock_data_t*)sock_iter->data)->to_socket == active_socket) && (((gras_trp_sg_sock_data_t*)sock_iter->data)->to_host == SIMIX_process_get_host(((gras_trp_sg_sock_data_t*)active_socket->data)->from_process)) ) {
- SIMIX_mutex_unlock(pd->mutex);
- return sock_iter;
- }
- }
-
- /* Socket to expeditor not created yet */
- DEBUG0("Create a socket to the expeditor");
-
- trp = gras_trp_plugin_get_by_name("sg");
-
- gras_trp_socket_new(1,&res);
- res->plugin = trp;
-
- res->incoming = 1;
- res->outgoing = 1;
- res->accepting = 0;
- res->sd = -1;
-
- res->port = -1;
-
- /* initialize the ports */
- //res->peer_port = active_socket->port;
- res->port = active_socket->peer_port;
-
- /* create sockdata */
- sockdata = xbt_new(gras_trp_sg_sock_data_t,1);
- sockdata->from_process = SIMIX_process_self();
- sockdata->to_process = ((gras_trp_sg_sock_data_t*)(active_socket->data))->from_process;
-
- res->peer_port = ((gras_trp_procdata_t)gras_libdata_by_name_from_remote("gras_trp",sockdata->to_process))->myport;
- sockdata->to_socket = active_socket;
- /*update the peer to_socket variable */
- ((gras_trp_sg_sock_data_t*)active_socket->data)->to_socket = res;
- sockdata->cond = SIMIX_cond_init();
- sockdata->mutex = SIMIX_mutex_init();
-
- sockdata->to_host = SIMIX_process_get_host(((gras_trp_sg_sock_data_t*)(active_socket->data))->from_process);
-
- res->data = sockdata;
- res->peer_name = strdup(SIMIX_host_get_name(sockdata->to_host));
-
- gras_trp_buf_init_sock(res);
-
- DEBUG4("Create socket to process:%s(Port %d) from process: %s(Port %d)",SIMIX_process_get_name(sockdata->from_process),res->peer_port, SIMIX_process_get_name(sockdata->to_process), res->port);
-
- SIMIX_mutex_unlock(pd->mutex);
- return res;
-}
-
-
-/* dummy implementations of the functions used in RL mode */
-
-void gras_trp_tcp_setup(gras_trp_plugin_t plug) { THROW0(mismatch_error,0,NULL); }
-void gras_trp_file_setup(gras_trp_plugin_t plug){ THROW0(mismatch_error,0,NULL); }
-void gras_trp_iov_setup(gras_trp_plugin_t plug) { THROW0(mismatch_error,0,NULL); }
-
-gras_socket_t gras_trp_buf_init_sock(gras_socket_t sock) { return sock;}
-
