+++ /dev/null
-/* sg_transport - SG specific functions for transport */
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
- * 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/Transport/transport_private.h"
-#include "gras/Virtu/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;
-
-#ifdef KILLME
-/**
- * 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 = NULL;
- gras_trp_sg_sock_data_t *active_socket_data;
- gras_socket_t sock_iter; /* iterating over all sockets */
- unsigned int cursor;
-
- DEBUG3("select on %s@%s with timeout=%f",
- SIMIX_process_get_name(SIMIX_process_self()),
- SIMIX_host_get_name(SIMIX_host_self()), timeout);
- if (timeout >= 0) {
- xbt_queue_shift_timed(pd->msg_selectable_sockets,
- &active_socket, timeout);
- } else {
- xbt_queue_shift(pd->msg_selectable_sockets, &active_socket);
- }
-
- if (active_socket == NULL) {
- DEBUG0("TIMEOUT");
- THROW0(timeout_error, 0, "Timeout");
- }
- active_socket_data = (gras_trp_sg_sock_data_t *) active_socket->data;
-
- /* 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) {
- gras_trp_sg_sock_data_t *sock_data;
- DEBUG1("Consider %p as outgoing socket to expeditor", sock_iter);
-
- if (sock_iter->meas || !sock_iter->outgoing)
- continue;
- sock_data = ((gras_trp_sg_sock_data_t *) sock_iter->data);
-
- if ((sock_data->to_socket == active_socket) &&
- (sock_data->to_host ==
- SIMIX_process_get_host(active_socket_data->from_process))) {
- xbt_dynar_cursor_unlock(pd->sockets);
- 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 = 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 */
- active_socket_data->to_socket = res;
- sockdata->cond = SIMIX_cond_init();
- sockdata->mutex = SIMIX_mutex_init();
-
- sockdata->to_host =
- SIMIX_process_get_host(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);
-
- return res;
-}
-#endif
-
-/* 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;
-}
