-/* $Id$ */
-
/* messaging - Function related to messaging code specific to SG */
-/* Copyright (c) 2003-2005 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2005, 2006, 2007, 2008, 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 "msg/msg.h"
#include "gras/Virtu/virtu_sg.h"
#include "gras/Msg/msg_private.h"
#include "gras/DataDesc/datadesc_interface.h"
#include "gras/Transport/transport_interface.h" /* gras_trp_chunk_send/recv */
-#include "gras/Transport/transport_private.h" /* sock->data */
+#include "gras/Transport/transport_private.h" /* sock->data */
XBT_LOG_EXTERNAL_CATEGORY(gras_msg);
XBT_LOG_DEFAULT_CATEGORY(gras_msg);
-/** \brief Send the data pointed by \a payload as a message of type
- * \a msgtype to the peer \a sock */
-void
-gras_msg_send(gras_socket_t sock,
- gras_msgtype_t msgtype,
- void *payload) {
+typedef void *gras_trp_bufdata_;
+
+void gras_msg_send_ext(gras_socket_t sock,
+ e_gras_msg_kind_t kind,
+ unsigned long int ID,
+ gras_msgtype_t msgtype, void *payload)
+{
+
+ smx_action_t act; /* simix action */
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_hostdata_t *hd;
+ gras_trp_procdata_t trp_remote_proc;
+ gras_msg_procdata_t msg_remote_proc;
+ gras_msg_t msg; /* message to send */
+ int whole_payload_size = 0; /* msg->payload_size is used to memcpy the payload.
+ This is used to report the load onto the simulator. It also counts the size of pointed stuff */
+
+ sock_data = (gras_trp_sg_sock_data_t *) sock->data;
+
+ hd = (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
+
+ xbt_assert1(!gras_socket_is_meas(sock),
+ "Asked to send a message on the measurement socket %p", sock);
+
+ /*initialize gras message */
+ msg = xbt_new(s_gras_msg_t, 1);
+ msg->expe = sock;
+ msg->kind = kind;
+ msg->type = msgtype;
+ msg->ID = ID;
+ if (kind == e_gras_msg_kind_rpcerror) {
+ /* error on remote host, carfull, payload is an exception */
+ msg->payl_size = gras_datadesc_size(gras_datadesc_by_name("ex_t"));
+ msg->payl = xbt_malloc(msg->payl_size);
+ whole_payload_size = gras_datadesc_memcpy(gras_datadesc_by_name("ex_t"),
+ payload, msg->payl);
+ } else if (kind == e_gras_msg_kind_rpcanswer) {
+ msg->payl_size = gras_datadesc_size(msgtype->answer_type);
+ if (msg->payl_size)
+ msg->payl = xbt_malloc(msg->payl_size);
+ else
+ msg->payl = NULL;
+
+ if (msgtype->answer_type)
+ whole_payload_size = gras_datadesc_memcpy(msgtype->answer_type,
+ payload, msg->payl);
+ } else {
+ msg->payl_size = gras_datadesc_size(msgtype->ctn_type);
+ msg->payl = msg->payl_size ? xbt_malloc(msg->payl_size) : NULL;
+ if (msgtype->ctn_type)
+ whole_payload_size = gras_datadesc_memcpy(msgtype->ctn_type,
+ payload, msg->payl);
+ }
+
+ /* put the selectable socket on the queue */
+ trp_remote_proc = (gras_trp_procdata_t)
+ gras_libdata_by_name_from_remote("gras_trp", sock_data->to_process);
- m_task_t task=NULL;
- gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;
- gras_msg_t msg;
+ xbt_queue_push(trp_remote_proc->msg_selectable_sockets, &sock);
- xbt_assert1(!gras_socket_is_meas(sock),
- "Asked to send a message on the measurement socket %p", sock);
+ /* put message on msg_queue */
+ msg_remote_proc = (gras_msg_procdata_t)
+ gras_libdata_by_name_from_remote("gras_msg", sock_data->to_process);
+ xbt_fifo_push(msg_remote_proc->msg_to_receive_queue, msg);
- msg=xbt_new0(s_gras_msg_t,1);
- msg->type=msgtype;
+ /* wait for the receiver */
+ SIMIX_cond_wait(sock_data->cond, sock_data->mutex);
- msg->payload=xbt_malloc(gras_datadesc_size(msgtype->ctn_type));
- if (msgtype->ctn_type)
- msg->payload_size=gras_datadesc_copy(msgtype->ctn_type,payload,msg->payload);
+ /* creates simix action and waits its ends, waits in the sender host
+ condition */
+ act = SIMIX_action_communicate(SIMIX_host_self(),
+ sock_data->to_host, msgtype->name,
+ (double) whole_payload_size, -1);
+ SIMIX_register_action_to_condition(act, sock_data->cond);
- task=MSG_task_create(msgtype->name,0,
- ((double)msg->payload_size)/(1024.0*1024.0),msg);
+ VERB5("Sending to %s(%s) a message type '%s' kind '%s' ID %lu",
+ SIMIX_host_get_name(sock_data->to_host),
+ SIMIX_process_get_name(sock_data->to_process),
+ msg->type->name, e_gras_msg_kind_names[msg->kind], msg->ID);
- if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK)
- THROW0(system_error,0,"Problem during the MSG_task_put");
+ SIMIX_cond_wait(sock_data->cond, sock_data->mutex);
+ SIMIX_unregister_action_to_condition(act, sock_data->cond);
+ /* error treatmeant (FIXME) */
+
+ /* cleanup structures */
+ SIMIX_action_destroy(act);
+ SIMIX_mutex_unlock(sock_data->mutex);
+
+ VERB0("Message sent");
}
+
/*
- * receive the next message on the given socket.
+ * receive the next message on the given socket.
*/
-void
-gras_msg_recv(gras_socket_t sock,
- gras_msgtype_t *msgtype,
- void **payload,
- int *payload_size) {
-
- m_task_t task=NULL;
- /* gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;*/
- gras_msg_t msg;
- gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_get("gras_trp");
-
- xbt_assert1(!gras_socket_is_meas(sock),
- "Asked to receive a message on the measurement socket %p", sock);
-
- if (MSG_task_get(&task, pd->chan) != MSG_OK)
- THROW0(system_error,0,"Error in MSG_task_get()");
-
- msg = MSG_task_get_data(task);
- *msgtype = gras_msgtype_by_id(msg->type->code);
- *payload = msg->payload;
- *payload_size = msg->payload_size;
-
- free(msg);
- if (MSG_task_destroy(task) != MSG_OK)
- THROW0(system_error,0,"Error in MSG_task_destroy()");
-
-
- /*
- THROW_UNIMPLEMENTED;
-
- xbt_ex_t e;
- static gras_datadesc_type_t string_type=NULL;
- char header[6];
- int cpt;
- int r_arch;
- char *msg_name=NULL;
-
- if (!string_type) {
- string_type=gras_datadesc_by_name("string");
- xbt_assert(string_type);
- }
-
- TRY {
- gras_trp_chunk_recv(sock, header, 6);
- } CATCH(e) {
- RETHROW1("Exception caught while trying to get the mesage header on socket %p: %s",
- sock);
+void gras_msg_recv(gras_socket_t sock, gras_msg_t msg)
+{
+
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_trp_sg_sock_data_t *remote_sock_data;
+ gras_hostdata_t *remote_hd;
+ gras_msg_t msg_got;
+ gras_msg_procdata_t msg_procdata =
+ (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
+
+ xbt_assert1(!gras_socket_is_meas(sock),
+ "Asked to receive a message on the measurement socket %p",
+ sock);
+
+ xbt_assert0(msg, "msg is an out parameter of gras_msg_recv...");
+
+ sock_data = (gras_trp_sg_sock_data_t *) sock->data;
+ remote_sock_data =
+ ((gras_trp_sg_sock_data_t *) sock->data)->to_socket->data;
+ DEBUG3("Remote host %s, Remote Port: %d Local port %d",
+ SIMIX_host_get_name(sock_data->to_host), sock->peer_port,
+ sock->port);
+ remote_hd = (gras_hostdata_t *) SIMIX_host_get_data(sock_data->to_host);
+
+ if (xbt_fifo_size(msg_procdata->msg_to_receive_queue) == 0) {
+ THROW_IMPOSSIBLE;
}
+ DEBUG1("Size msg_to_receive buffer: %d",
+ xbt_fifo_size(msg_procdata->msg_to_receive_queue));
+ msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue);
- for (cpt=0; cpt<4; cpt++)
- if (header[cpt] != _GRAS_header[cpt])
- THROW2(mismatch_error,0,
- "Incoming bytes do not look like a GRAS message (header='%.4s' not '%.4s')",header,_GRAS_header);
- if (header[4] != _GRAS_header[4])
- THROW2(mismatch_error,0,"GRAS protocol mismatch (got %d, use %d)",
- (int)header[4], (int)_GRAS_header[4]);
- r_arch = (int)header[5];
- DEBUG2("Handle an incoming message using protocol %d (remote is %s)",
- (int)header[4],gras_datadesc_arch_name(r_arch));
-
- gras_datadesc_recv(sock, string_type, r_arch, &msg_name);
- TRY {
- *msgtype = (gras_msgtype_t)xbt_set_get_by_name(_gras_msgtype_set,msg_name);
- } CATCH(e) {
- / * FIXME: Survive unknown messages * /
- RETHROW1("Exception caught while retrieving the type associated to messages '%s' : %s",
- msg_name);
- }
- free(msg_name);
-
- if ((*msgtype)->ctn_type) {
- *payload_size=gras_datadesc_size((*msgtype)->ctn_type);
- xbt_assert2(*payload_size > 0,
- "%s %s",
- "Dynamic array as payload is forbided for now (FIXME?).",
- "Reference to dynamic array is allowed.");
- *payload = xbt_malloc(*payload_size);
- gras_datadesc_recv(sock, (*msgtype)->ctn_type, r_arch, *payload);
- } else {
- *payload = NULL;
- *payload_size = 0;
- }
-*/
+ SIMIX_mutex_lock(remote_sock_data->mutex);
+ /* ok, I'm here, you can continuate the communication */
+ SIMIX_cond_signal(remote_sock_data->cond);
+
+ /* wait for communication end */
+ SIMIX_cond_wait(remote_sock_data->cond, remote_sock_data->mutex);
+
+ msg_got->expe = msg->expe;
+ memcpy(msg, msg_got, sizeof(s_gras_msg_t));
+ xbt_free(msg_got);
+ SIMIX_mutex_unlock(remote_sock_data->mutex);
+
+ VERB3("Received a message type '%s' kind '%s' ID %lu", // from %s",
+ msg->type->name, e_gras_msg_kind_names[msg->kind], msg->ID);
}
