-/* $Id$ */
-
/* 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 "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);
-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;
+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);
+ /* 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);
+ payload, msg->payl);
} else if (kind == e_gras_msg_kind_rpcanswer) {
- msg->payl_size=gras_datadesc_size(msgtype->answer_type);
- msg->payl=xbt_malloc(msg->payl_size);
+ 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);
+ payload, msg->payl);
} else {
- msg->payl_size=gras_datadesc_size(msgtype->ctn_type);
- msg->payl=msg->payl_size?xbt_malloc(msg->payl_size):NULL;
+ 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);
+ payload, msg->payl);
}
- /* put the selectable socket on the queue */
+ /* 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);
+ gras_libdata_by_name_from_remote("gras_trp", sock_data->to_process);
- xbt_queue_push(trp_remote_proc->msg_selectable_sockets,&sock);
+ xbt_queue_push(trp_remote_proc->msg_selectable_sockets, &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_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);
+
/* wait for the receiver */
SIMIX_cond_wait(sock_data->cond, sock_data->mutex);
-
+
/* 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);
- SIMIX_register_condition_to_action(act,sock_data->cond);
-
+ 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);
+
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);
-
+ 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);
+
SIMIX_cond_wait(sock_data->cond, sock_data->mutex);
- /* error treatmeant (FIXME)*/
+ 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_msg_t msg) {
-
- gras_trp_sg_sock_data_t *sock_data;
- gras_trp_sg_sock_data_t *remote_sock_data;
+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 ) {
+ 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));
+ 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);
-
+
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));
+ 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);
+
+ VERB3("Received a message type '%s' kind '%s' ID %lu", // from %s",
+ msg->type->name, e_gras_msg_kind_names[msg->kind], msg->ID);
}
