+++ /dev/null
-/* 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, 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 "simgrid/simix.h"
-#include "gras/Msg/msg_private.h"
-#include "gras/Transport/transport_private.h"
-#include "gras/Virtu/virtu_sg.h"
-#include "xbt/xbt_socket_private.h" /* FIXME */
-
-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 gras_sg_portrec_t find_port(gras_hostdata_t * hd, int port);
-
-void gras_trp_sg_socket_client(xbt_trp_plugin_t self,
- const char*host,
- int port,
- /* OUT */ xbt_socket_t sock);
-void gras_trp_sg_socket_server(xbt_trp_plugin_t self,
- int port,
- /* OUT */ xbt_socket_t sock);
-void gras_trp_sg_socket_close(xbt_socket_t sd);
-
-void gras_trp_sg_chunk_send_raw(xbt_socket_t sd,
- const char *data, unsigned long int size);
-void gras_trp_sg_chunk_send(xbt_socket_t sd,
- const char *data,
- unsigned long int size, int stable_ignored);
-
-int gras_trp_sg_chunk_recv(xbt_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 gras_sg_portrec_t find_port(gras_hostdata_t * hd, int port)
-{
- unsigned int cpt;
- gras_sg_portrec_t pr;
-
- xbt_assert(hd, "Please run gras_process_init on each process");
-
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- if (pr->port == port)
- return pr;
- }
- return NULL;
-}
-
-/***
- *** Info about who's speaking
- ***/
-static int gras_trp_sg_my_port(xbt_socket_t s)
-{
- gras_trp_sg_sock_data_t sockdata = xbt_socket_get_data(s);
- if (gras_socket_im_the_server(s))
- return sockdata->server_port;
- else
- return sockdata->client_port;
-}
-static int gras_trp_sg_peer_port(xbt_socket_t s)
-{
- gras_trp_sg_sock_data_t sockdata = xbt_socket_get_data(s);
- if (gras_socket_im_the_server(s))
- return sockdata->client_port;
- else
- return sockdata->server_port;
-}
-
-static const char* gras_trp_sg_peer_name(xbt_socket_t s)
-{
- gras_trp_sg_sock_data_t sockdata = xbt_socket_get_data(s);
- if (gras_socket_im_the_server(s))
- return SIMIX_host_get_name(simcall_process_get_host(sockdata->client));
- else {
- return SIMIX_host_get_name(simcall_process_get_host(sockdata->server));
- }
-}
-static const char* gras_trp_sg_peer_proc(xbt_socket_t s) {
- THROW_UNIMPLEMENTED;
-}
-static void gras_trp_sg_peer_proc_set(xbt_socket_t s,char *name) {
- THROW_UNIMPLEMENTED;
-}
-
-void gras_trp_sg_setup(xbt_trp_plugin_t plug)
-{
- plug->my_port = gras_trp_sg_my_port;
- plug->peer_port = gras_trp_sg_peer_port;
- plug->peer_name = gras_trp_sg_peer_name;
- plug->peer_proc = gras_trp_sg_peer_proc;
- plug->peer_proc_set = gras_trp_sg_peer_proc_set;
-
- 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(xbt_trp_plugin_t self,
- const char*host,
- int port,
- /* OUT */ xbt_socket_t sock)
-{
-
- smx_host_t peer;
- gras_hostdata_t *hd;
- gras_trp_sg_sock_data_t data;
- gras_sg_portrec_t pr;
-
- /* make sure this socket will reach someone */
- if (!(peer = simcall_host_get_by_name(host)))
- THROWF(mismatch_error, 0,
- "Can't connect to %s: no such host.\n", host);
-
- if (!(hd = (gras_hostdata_t *) simcall_host_get_data(peer)))
- THROWF(mismatch_error, 0,
- "can't connect to %s: no process on this host",
- host);
-
- pr = find_port(hd, port);
-
- if (pr == NULL) {
- THROWF(mismatch_error, 0,
- "can't connect to %s:%d, no process listen on this port",
- host, port);
- }
-
- /* Ensure that the listener is expecting the kind of stuff we want to send */
- if (pr->meas && !sock->meas) {
- THROWF(mismatch_error, 0,
- "can't connect to %s:%d in regular mode, the process listen "
- "in measurement mode on this port", host,
- port);
- }
- if (!pr->meas && sock->meas) {
- THROWF(mismatch_error, 0,
- "can't connect to %s:%d in measurement mode, the process listen "
- "in regular mode on this port", host,
- port);
- }
-
- /* create simulation data of the socket */
- data = xbt_new0(s_gras_trp_sg_sock_data_t, 1);
- data->client = SIMIX_process_self();
- data->server = pr->server;
- data->server_port = port;
- data->client_port = gras_os_myport();
-
- /* initialize synchronization stuff on the socket */
- data->rdv_server = pr->rdv;
- data->rdv_client = simcall_rdv_create(NULL);
- data->comm_recv = simcall_comm_irecv(data->rdv_client, &data->msg, NULL, NULL, NULL);
-
- /* connect that simulation data to the socket */
- sock->data = data;
- sock->incoming = 1;
-
- XBT_DEBUG("%s (PID %d) connects in %s mode to %s:%d (rdv_ser:%p, rdv_cli:%p, comm:%p)",
- simcall_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- sock->meas ? "meas" : "regular", host, port,
- data->rdv_server,data->rdv_client,data->comm_recv);
-}
-
-void gras_trp_sg_socket_server(xbt_trp_plugin_t self, int port, xbt_socket_t sock)
-{
-
- gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_self_get_data();
- gras_sg_portrec_t pr;
- gras_trp_sg_sock_data_t data;
-
- xbt_assert(hd, "Please run gras_process_init on each process");
-
- sock->accepting = 1;
-
- /* Check whether a server is already listening on that port or not */
- pr = find_port(hd, port);
-
- if (pr)
- THROWF(mismatch_error, 0,
- "can't listen on address %s:%d: port already in use.",
- SIMIX_host_self_get_name(), port);
-
- /* This port is free, let's take it */
- pr = xbt_new(s_gras_sg_portrec_t, 1);
- pr->port = port;
- pr->meas = sock->meas;
- pr->server = SIMIX_process_self();
- xbt_dynar_push(hd->ports, &pr);
- pr->rdv = simcall_rdv_create(NULL);
-
- /* Create the socket */
- data = xbt_new0(s_gras_trp_sg_sock_data_t, 1);
- data->server = SIMIX_process_self();
- data->server_port = port;
- data->client = NULL;
- data->rdv_server = pr->rdv;
- data->rdv_client = NULL;
- data->comm_recv = simcall_comm_irecv(pr->rdv, &data->msg, NULL, NULL, NULL);
-
- sock->data = data;
-
- XBT_VERB
- ("'%s' (%d) ears on %s:%d%s (%p; data:%p); Here rdv: %p; Remote rdv: %p; Comm %p",
- simcall_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- SIMIX_host_self_get_name(), port,
- sock->meas ? " (mode meas)" : "", sock, data,
- (data->server ==
- SIMIX_process_self())? data->rdv_server : data->rdv_client,
- (data->server ==
- SIMIX_process_self())? data->rdv_client : data->rdv_server,
- data->comm_recv);
-
-}
-
-void gras_trp_sg_socket_close(xbt_socket_t sock)
-{
- gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_self_get_data();
- unsigned int cpt;
- gras_sg_portrec_t pr;
-
- XBT_IN(" (sock=%p)", sock);
-
- if (!sock)
- return;
-
- xbt_assert(hd, "Please run gras_process_init on each process");
-
- gras_trp_sg_sock_data_t sockdata = sock->data;
-
- if (sock->incoming && !sock->outgoing && sockdata->server_port >= 0) {
- /* server mode socket. Unregister it from 'OS' tables */
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- XBT_DEBUG("Check pr %u of %lu", cpt, xbt_dynar_length(hd->ports));
- if (pr->port == sockdata->server_port) {
- xbt_dynar_cursor_rm(hd->ports, &cpt);
- XBT_OUT();
- return;
- }
- }
- XBT_WARN
- ("socket_close called on the unknown incoming socket %p (port=%d)",
- sock, sockdata->server_port);
- }
- /* FIXME: kill the rdv point if receiver side */
- free(sock->data);
- XBT_OUT();
-}
-
-typedef struct {
- int size;
- void *data;
-} sg_task_data_t;
-
-void gras_trp_sg_chunk_send(xbt_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(xbt_socket_t sock,
- const char *data, unsigned long int size)
-{
-#ifdef KILLME
- char name[256];
- static unsigned int count = 0;
-
- smx_action_t act; /* simix action */
- gras_trp_procdata_t trp_remote_proc;
- gras_msg_procdata_t msg_remote_proc;
- gras_msg_t msg; /* message to send */
-
- //gras_trp_sg_sock_data_t sock_data = (gras_trp_sg_sock_data_t) sock->data;
- xbt_assert(sock->meas,
- "SG chunk exchange shouldn't be used on non-measurement sockets");
-
-
- /* creates simix action and waits its ends, waits in the sender host
- condition */
- /*
- if (XBT_LOG_ISENABLED(gras_trp_sg, xbt_log_priority_debug)) {
- smx_process_t remote_dude =
- (sock_data->server ==
- SIMIX_process_self())? (sock_data->client) : (sock_data->server);
- smx_host_t remote_host = simcall_process_get_host(remote_dude);
- }
- */
- //SIMIX_network_send(sock_data->rdv,size,1,-1,NULL,0,NULL,NULL);
-#endif
- THROW_UNIMPLEMENTED;
-}
-
-int gras_trp_sg_chunk_recv(xbt_socket_t sock,
- char *data, unsigned long int size)
-{
- //gras_trp_sg_sock_data_t *sock_data =
- // (gras_trp_sg_sock_data_t *) sock->data;
-
- //simcall_comm_recv(sock_data->rdv,-1,NULL,0,NULL);
- THROW_UNIMPLEMENTED;
-#ifdef KILLME
- gras_trp_sg_sock_data_t *remote_sock_data;
- xbt_socket_t remote_socket = NULL;
- gras_msg_t msg_got;
- gras_msg_procdata_t msg_procdata =
- (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
- gras_trp_procdata_t trp_proc =
- (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
-
- xbt_assert(sock->meas,
- "SG chunk exchange shouldn't be used on non-measurement sockets");
- xbt_queue_shift_timed(trp_proc->meas_selectable_sockets,
- &remote_socket, 60);
-
- if (remote_socket == NULL) {
- THROWF(timeout_error, 0, "Timeout");
- }
-
- remote_sock_data = (gras_trp_sg_sock_data_t *) remote_socket->data;
- msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue_meas);
-
- sock_data = (gras_trp_sg_sock_data_t *) sock->data;
-
- /* ok, I'm here, you can continue the communication */
- simcall_cond_signal(remote_sock_data->cond);
-
- simcall_mutex_lock(remote_sock_data->mutex);
- /* wait for communication end */
- simcall_cond_wait(remote_sock_data->cond, remote_sock_data->mutex);
-
- if (msg_got->payl_size != size)
- THROWF(mismatch_error, 0,
- "Got %d bytes when %ld where expected (in %s->%s:%d)",
- msg_got->payl_size, size,
- simcall_host_get_name(sock_data->to_host),
- SIMIX_host_self_get_name(), sock->peer_port);
-
- if (data)
- memcpy(data, msg_got->payl, size);
-
- xbt_free(msg_got->payl);
-
- xbt_free(msg_got);
- simcall_mutex_unlock(remote_sock_data->mutex);
-#endif
- return 0;
-}
