+++ /dev/null
-/* $Id$ */
-
-/* file trp (transport) - send/receive a bunch of bytes in SG realm */
-
-/* Note that this is only used to debug other parts of GRAS since message */
-/* exchange in SG realm is implemented directly without mimicing real life */
-/* This would be terribly unefficient. */
-
-/* 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 "msg/msg.h"
-
-#include "gras_simix_transport_private.h"
-#include "gras_simix/Virtu/gras_simix_virtu_sg.h"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_sg,gras_trp,"SimGrid pseudo-transport");
-
-/***
- *** Prototypes
- ***/
-
-/* retrieve the port record associated to a numerical port on an host */
-static void find_port(gras_hostdata_t *hd, int port, gras_sg_portrec_t *hpd);
-
-
-void gras_trp_sg_socket_client(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock);
-void gras_trp_sg_socket_server(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock);
-void gras_trp_sg_socket_close(gras_socket_t sd);
-
-void gras_trp_sg_chunk_send_raw(gras_socket_t sd,
- const char *data,
- unsigned long int size);
-void gras_trp_sg_chunk_send(gras_socket_t sd,
- const char *data,
- unsigned long int size,
- int stable_ignored);
-
-int gras_trp_sg_chunk_recv(gras_socket_t sd,
- char *data,
- unsigned long int size);
-
-/***
- *** Specific plugin part
- ***/
-typedef struct {
- int placeholder; /* nothing plugin specific so far */
-} gras_trp_sg_plug_data_t;
-
-
-/***
- *** Code
- ***/
-static void find_port(gras_hostdata_t *hd, int port,
- gras_sg_portrec_t *hpd) {
- int cpt;
- gras_sg_portrec_t pr;
-
- xbt_assert0(hd,"Please run gras_process_init on each process");
-
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- if (pr.port == port) {
- memcpy(hpd,&pr,sizeof(gras_sg_portrec_t));
- return;
- }
- }
- THROW1(mismatch_error,0,"Unable to find any portrec for port #%d",port);
-}
-
-
-void
-gras_trp_sg_setup(gras_trp_plugin_t plug) {
-
- gras_trp_sg_plug_data_t *data=xbt_new(gras_trp_sg_plug_data_t,1);
-
- plug->data = data;
-
- plug->socket_client = gras_trp_sg_socket_client;
- plug->socket_server = gras_trp_sg_socket_server;
- plug->socket_close = gras_trp_sg_socket_close;
-
- plug->raw_send = gras_trp_sg_chunk_send_raw;
- plug->send = gras_trp_sg_chunk_send;
- plug->raw_recv = plug->recv = gras_trp_sg_chunk_recv;
-
- plug->flush = NULL; /* nothing cached */
-}
-
-void gras_trp_sg_socket_client(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock){
- xbt_ex_t e;
-
- smx_host_t peer;
- gras_hostdata_t *hd;
- gras_hostdata_t *local_hd;
- gras_trp_sg_sock_data_t *data;
- gras_sg_portrec_t pr;
- int i;
-
- /* make sure this socket will reach someone */
- if (!(peer=SIMIX_host_get_by_name(sock->peer_name)))
- THROW1(mismatch_error,0,"Can't connect to %s: no such host.\n",sock->peer_name);
-
- if (!(hd=(gras_hostdata_t *)SIMIX_host_get_data(peer)))
- THROW1(mismatch_error,0,
- "can't connect to %s: no process on this host",
- sock->peer_name);
-
- TRY {
- find_port(hd,sock->peer_port,&pr);
- } CATCH(e) {
- if (e.category == mismatch_error) {
- xbt_ex_free(e);
- THROW2(mismatch_error,0,
- "can't connect to %s:%d, no process listen on this port",
- sock->peer_name,sock->peer_port);
- }
- RETHROW;
- }
-
- if (pr.meas && !sock->meas) {
- THROW2(mismatch_error,0,
- "can't connect to %s:%d in regular mode, the process listen "
- "in meas mode on this port",sock->peer_name,sock->peer_port);
- }
- if (!pr.meas && sock->meas) {
- THROW2(mismatch_error,0,
- "can't connect to %s:%d in meas mode, the process listen "
- "in regular mode on this port",sock->peer_name,sock->peer_port);
- }
- /* create the socket */
- data = xbt_new(gras_trp_sg_sock_data_t,1);
- data->from_process = SIMIX_process_self();
- data->to_process = pr.process;
- data->to_host = peer;
-
- /* searches for a free port on this host */
- local_hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- for (i=1;i<65536;i++) {
- if (local_hd->cond_port[i] == NULL)
- break;
- }
- if (i == 65536) THROW0(system_error,0,"No port free");
- sock->port = i;
- local_hd->cond_port[i] = SIMIX_cond_init();
- local_hd->mutex_port[i] = SIMIX_mutex_init();
-
- sock->data = data;
- sock->incoming = 1;
-
- DEBUG5("%s (PID %ld) connects in %s mode to %s:%d",
- SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- sock->meas?"meas":"regular",
- sock->peer_name,sock->peer_port);
-}
-
-void gras_trp_sg_socket_server(gras_trp_plugin_t self,
- gras_socket_t sock){
-
- gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- //gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
- gras_sg_portrec_t pr;
- gras_trp_sg_sock_data_t *data;
- volatile int found;
-
- const char *host=SIMIX_host_get_name(SIMIX_host_self());
-
- xbt_ex_t e;
-
- xbt_assert0(hd,"Please run gras_process_init on each process");
-
- sock->accepting = 0; /* no such nuisance in SG */
- found = 0;
- TRY {
- find_port(hd,sock->port,&pr);
- found = 1;
- } CATCH(e) {
- if (e.category == mismatch_error)
- xbt_ex_free(e);
- else
- RETHROW;
- }
-
- if (found)
- THROW2(mismatch_error,0,
- "can't listen on address %s:%d: port already in use.",
- host,sock->port);
-
- pr.port = sock->port;
- pr.meas = sock->meas;
- pr.process = SIMIX_process_self();
- xbt_dynar_push(hd->ports,&pr);
-
- hd->cond_port[sock->port] = SIMIX_cond_init();
- hd->mutex_port[sock->port] = SIMIX_mutex_init();
-
- /* Create the socket */
- data = xbt_new(gras_trp_sg_sock_data_t,1);
- data->from_process = SIMIX_process_self();
- data->to_process = NULL;
- data->to_host = SIMIX_host_self();
-
- sock->data = data;
-
- VERB6("'%s' (%ld) ears on %s:%d%s (%p)",
- SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- host,sock->port,sock->meas? " (mode meas)":"",sock);
-
-}
-
-void gras_trp_sg_socket_close(gras_socket_t sock){
-
- gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- int cpt;
- gras_sg_portrec_t pr;
-
- XBT_IN1(" (sock=%p)",sock);
-
- if (!sock) return;
-
- xbt_assert0(hd,"Please run gras_process_init on each process");
-
- if (sock->data)
- free(sock->data);
-
-/*
- SIMIX_cond_destroy(hd->cond_port[sock->port]);
- hd->cond_port[sock->port] = NULL;
- SIMIX_mutex_destroy(hd->mutex_port[sock->port]);
- hd->mutex_port[sock->port] = NULL;
-*/
- if (sock->incoming && !sock->outgoing && sock->port >= 0) {
- /* server mode socket. Unregister it from 'OS' tables */
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- DEBUG2("Check pr %d of %lu", cpt, xbt_dynar_length(hd->ports));
- if (pr.port == sock->port) {
- xbt_dynar_cursor_rm(hd->ports, &cpt);
- XBT_OUT;
- return;
- }
- }
- WARN2("socket_close called on the unknown incoming socket %p (port=%d)",
- sock,sock->port);
- }
- XBT_OUT;
-
-}
-
-typedef struct {
- int size;
- void *data;
-} sg_task_data_t;
-
-void gras_trp_sg_chunk_send(gras_socket_t sock,
- const char *data,
- unsigned long int size,
- int stable_ignored) {
- gras_trp_sg_chunk_send_raw(sock,data,size);
-}
-
-void gras_trp_sg_chunk_send_raw(gras_socket_t sock,
- const char *data,
- unsigned long int size) {
- /*
- m_task_t task=NULL;
- static unsigned int count=0;
- char name[256];
- gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;
- sg_task_data_t *task_data;
-
- xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
-
- sprintf(name,"Chunk[%d]",count++);
-
- task_data=xbt_new(sg_task_data_t,1);
- task_data->size = size;
- if (data) {
- task_data->data=(void*)xbt_malloc(size);
- memcpy(task_data->data,data,size);
- } else {
- task_data->data = NULL;
- }
-
- task=MSG_task_create(name,0,((double)size),task_data);
-
- DEBUG5("send chunk %s from %s to %s:%d (size=%ld)",
- name, MSG_host_get_name(MSG_host_self()),
- MSG_host_get_name(sock_data->to_host), sock_data->to_chan,size);
- if (MSG_task_put_with_timeout(task, sock_data->to_host,sock_data->to_chan,60.0) != MSG_OK) {
- THROW0(system_error,0,"Problem during the MSG_task_put with timeout 60");
- }*/
-}
-
-int gras_trp_sg_chunk_recv(gras_socket_t sock,
- char *data,
- unsigned long int size){
- /*
- gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
-
- m_task_t task=NULL;
- sg_task_data_t *task_data;
- gras_trp_sg_sock_data_t *sock_data = sock->data;
-
- xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
- XBT_IN;
- DEBUG4("recv chunk on %s -> %s:%d (size=%ld)",
- MSG_host_get_name(sock_data->to_host),
- MSG_host_get_name(MSG_host_self()), sock_data->to_chan, size);
- if (MSG_task_get_with_time_out(&task,
- (sock->meas ? pd->measChan : pd->chan),
- 60) != MSG_OK)
- THROW0(system_error,0,"Error in MSG_task_get()");
- DEBUG1("Got chuck %s",MSG_task_get_name(task));
-
- task_data = MSG_task_get_data(task);
- if (task_data->size != size)
- THROW5(mismatch_error,0,
- "Got %d bytes when %ld where expected (in %s->%s:%d)",
- task_data->size, size,
- MSG_host_get_name(sock_data->to_host),
- MSG_host_get_name(MSG_host_self()), sock_data->to_chan);
- if (data)
- memcpy(data,task_data->data,size);
- if (task_data->data)
- free(task_data->data);
- free(task_data);
-
- if (MSG_task_destroy(task) != MSG_OK)
- THROW0(system_error,0,"Error in MSG_task_destroy()");
-
- XBT_OUT;
- return size;*/
- return 0;
-}
-