+++ /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/Transport/transport_private.h"
-#include "msg/msg.h"
-#include "gras/Virtu/virtu_sg.h"
-
-XBT_LOG_EXTERNAL_CATEGORY(transport);
-XBT_LOG_DEFAULT_CATEGORY(transport);
-
-/**
- * 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_get("gras_trp");
- gras_trp_sg_sock_data_t *sockdata;
- gras_trp_plugin_t trp;
-
- gras_socket_t sock_iter; /* iterating over all sockets */
- int cursor,cpt;
-
- gras_sg_portrec_t pr; /* iterating to find the chanel of expeditor */
-
- int r_pid;
- gras_hostdata_t *remote_hd;
-
- DEBUG3("select on %s@%s with timeout=%f",
- MSG_process_get_name(MSG_process_self()),
- MSG_host_get_name(MSG_host_self()),
- timeout);
-
- MSG_channel_select_from((m_channel_t) pd->chan, timeout, &r_pid);
-
- if (r_pid < 0) {
- DEBUG0("TIMEOUT");
- THROW0(timeout_error,0,"Timeout");
- }
-
- /* Ok, got something. Open a socket back to the expeditor */
-
- /* Try to reuse an already openned socket to that expeditor */
- xbt_dynar_foreach(pd->sockets,cursor,sock_iter) {
- DEBUG1("Consider %p as outgoing socket to expeditor",sock_iter);
- sockdata = sock_iter->data;
-
- if (sock_iter->meas || !sock_iter->outgoing)
- continue;
-
- if (sockdata->to_PID == r_pid) {
- return sock_iter;
- }
- }
-
- /* Socket to expeditor not created yet */
- DEBUG0("Create a socket to the expeditor");
-
- trp = gras_trp_plugin_get_by_name("buf");
-
- gras_trp_socket_new(1,&res);
- res->plugin = trp;
-
- res->incoming = 1;
- res->outgoing = 1;
- res->accepting = 0;
- res->sd = -1;
-
- res->port = -1;
-
- sockdata = xbt_new(gras_trp_sg_sock_data_t,1);
- sockdata->from_PID = MSG_process_self_PID();
- sockdata->to_PID = r_pid;
- sockdata->to_host = MSG_process_get_host(MSG_process_from_PID(r_pid));
- res->data = sockdata;
- gras_trp_buf_init_sock(res);
-
- res->peer_name = strdup(MSG_host_get_name(sockdata->to_host));
-
- remote_hd=(gras_hostdata_t *)MSG_host_get_data(sockdata->to_host);
- xbt_assert0(remote_hd,"Run gras_process_init!!");
-
- sockdata->to_chan = -1;
- res->peer_port = -10;
- for (cursor=0; cursor<XBT_MAX_CHANNEL; cursor++) {
- if (remote_hd->proc[cursor] == r_pid) {
- sockdata->to_chan = cursor;
- DEBUG2("Chan %d on %s is for my pal",
- cursor,res->peer_name);
-
- xbt_dynar_foreach(remote_hd->ports, cpt, pr) {
- if (sockdata->to_chan == pr.tochan) {
- if (pr.meas) {
- DEBUG0("Damn, it's for measurement");
- continue;
- }
-
- res->peer_port = pr.port;
- DEBUG1("Cool, it points to port %d", pr.port);
- break;
- } else {
- DEBUG2("Wrong port (tochan=%d, looking for %d)\n",
- pr.tochan,sockdata->to_chan);
- }
- }
- if (res->peer_port == -10) {
- /* was for measurement */
- sockdata->to_chan = -1;
- } else {
- /* found it, don't let it override by meas */
- break;
- }
- }
- }
- xbt_assert0(sockdata->to_chan != -1,
- "Got a message from a process without channel");
-
- 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_buf_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;}
-
