3 /* messaging - Function related to messaging code specific to SG */
5 /* Copyright (c) 2003-2005 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "gras_simix/Virtu/gras_simix_virtu_sg.h"
14 #include "gras_simix/Msg/gras_simix_msg_private.h"
16 #include "gras_simix/DataDesc/gras_simix_datadesc_interface.h"
17 #include "gras_simix/Transport/gras_simix_transport_interface.h" /* gras_trp_chunk_send/recv */
18 #include "gras_simix/Transport/gras_simix_transport_private.h" /* sock->data */
20 XBT_LOG_EXTERNAL_CATEGORY(gras_msg);
21 XBT_LOG_DEFAULT_CATEGORY(gras_msg);
23 typedef void* gras_trp_bufdata_;
25 void gras_msg_send_ext(gras_socket_t sock,
26 e_gras_msg_kind_t kind,
28 gras_msgtype_t msgtype,
31 smx_action_t act; /* simix action */
32 gras_trp_sg_sock_data_t *sock_data;
34 gras_trp_procdata_t trp_remote_proc;
35 gras_msg_procdata_t msg_remote_proc;
36 gras_msg_t msg; /* message to send */
37 int whole_payload_size=0; /* msg->payload_size is used to memcpy the payload.
38 This is used to report the load onto the simulator. It also counts the size of pointed stuff */
40 sock_data = (gras_trp_sg_sock_data_t *)sock->data;
41 hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
43 xbt_assert1(!gras_socket_is_meas(sock),
44 "Asked to send a message on the measurement socket %p", sock);
46 /* got the mutex my port */
47 DEBUG1("Sock port %d",sock->port);
48 SIMIX_mutex_lock(hd->mutex_port[sock->port]);
50 /*initialize gras message */
51 msg = xbt_new(s_gras_msg_t,1);
56 if (kind == e_gras_msg_kind_rpcerror) {
57 /* error on remote host, carfull, payload is an exception */
58 msg->payl_size=gras_datadesc_size(gras_datadesc_by_name("ex_t"));
59 msg->payl=xbt_malloc(msg->payl_size);
60 whole_payload_size = gras_datadesc_copy(gras_datadesc_by_name("ex_t"),
62 } else if (kind == e_gras_msg_kind_rpcanswer) {
63 msg->payl_size=gras_datadesc_size(msgtype->answer_type);
64 msg->payl=xbt_malloc(msg->payl_size);
65 if (msgtype->answer_type)
66 whole_payload_size = gras_datadesc_copy(msgtype->answer_type,
69 msg->payl_size=gras_datadesc_size(msgtype->ctn_type);
70 msg->payl=msg->payl_size?xbt_malloc(msg->payl_size):NULL;
71 if (msgtype->ctn_type)
72 whole_payload_size = gras_datadesc_copy(msgtype->ctn_type,
75 /* put message on msg_queue */
76 msg_remote_proc = (gras_msg_procdata_t)gras_libdata_by_name_from_remote("gras_msg",sock_data->to_process);
77 xbt_fifo_push(msg_remote_proc->msg_to_receive_queue,msg);
79 /* wake-up the receiver */
80 trp_remote_proc = (gras_trp_procdata_t)gras_libdata_by_name_from_remote("gras_trp",sock_data->to_process);
81 xbt_fifo_push(trp_remote_proc->active_socket,sock);
83 SIMIX_cond_signal(trp_remote_proc->cond);
85 /* wait for the receiver */
86 SIMIX_cond_wait(hd->cond_port[sock->port], hd->mutex_port[sock->port]);
88 /* creates simix action and waits its ends, waits in the sender host condition*/
89 act = SIMIX_action_communicate(sock_data->to_host, SIMIX_host_self(),msgtype->name, msg->payl_size, -1);
90 SIMIX_register_action_to_condition(act,hd->cond_port[sock->port]);
91 SIMIX_register_condition_to_action(act,hd->cond_port[sock->port]);
93 VERB5("Sending to %s(%s) a message type '%s' kind '%s' ID %lu",
94 SIMIX_host_get_name(sock_data->to_host),SIMIX_process_get_name(sock_data->to_process),
95 msg->type->name,e_gras_msg_kind_names[msg->kind], msg->ID);
97 SIMIX_cond_wait(hd->cond_port[sock->port], hd->mutex_port[sock->port]);
98 /* error treatmeant */
100 /* cleanup structures */
101 SIMIX_action_destroy(act);
102 SIMIX_mutex_unlock(hd->mutex_port[sock->port]);
104 VERB0("Message sent");
107 if (XBT_LOG_ISENABLED(gras_msg,xbt_log_priority_verbose)) {
108 asprintf(&name,"type:'%s';kind:'%s';ID %lu from %s:%d to %s:%d",
109 msg->type->name, e_gras_msg_kind_names[msg->kind], msg->ID,
110 gras_os_myname(),gras_os_myport(),
111 gras_socket_peer_name(sock), gras_socket_peer_port(sock));
112 task=MSG_task_create(name,0,
113 ((double)whole_payload_size),msg);
116 task=MSG_task_create(msg->type->name,0,
117 ((double)whole_payload_size),msg);
121 SIMIX_cond_signal(gras_libdata_by_name_from_remote("trp", sock->data->to_process)->cond);
122 DEBUG1("Prepare to send a message to %s",
123 MSG_host_get_name (sock_data->to_host));
124 if (MSG_task_put_with_timeout(task, sock_data->to_host,sock_data->to_chan,60.0) != MSG_OK)
125 THROW0(system_error,0,"Problem during the MSG_task_put with timeout 60");
127 VERB5("Sent to %s(%d) a message type '%s' kind '%s' ID %lu",
128 MSG_host_get_name(sock_data->to_host),sock_data->to_PID,
130 e_gras_msg_kind_names[msg->kind],
135 * receive the next message on the given socket.
138 gras_msg_recv(gras_socket_t sock,
141 gras_trp_sg_sock_data_t *sock_data;
142 gras_hostdata_t *remote_hd;
144 gras_msg_procdata_t msg_procdata = (gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
146 xbt_assert1(!gras_socket_is_meas(sock),
147 "Asked to receive a message on the measurement socket %p", sock);
149 xbt_assert0(msg,"msg is an out parameter of gras_msg_recv...");
151 sock_data = (gras_trp_sg_sock_data_t *)sock->data;
152 DEBUG3("Remote host %s, Remote Port: %d Local port %d", SIMIX_host_get_name(sock_data->to_host), sock->peer_port, sock->port);
153 remote_hd = (gras_hostdata_t *)SIMIX_host_get_data(sock_data->to_host);
155 if (xbt_fifo_size(msg_procdata->msg_to_receive_queue) == 0 ) {
158 DEBUG1("Size msg_to_receive buffer: %d", xbt_fifo_size(msg_procdata->msg_to_receive_queue));
159 msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue);
161 SIMIX_mutex_lock(remote_hd->mutex_port[sock->peer_port]);
162 /* ok, I'm here, you can continuate the communication */
163 SIMIX_cond_signal(remote_hd->cond_port[sock->peer_port]);
165 /* wait for communication end */
166 SIMIX_cond_wait(remote_hd->cond_port[sock->peer_port],remote_hd->mutex_port[sock->peer_port]);
168 msg_got->expe= msg->expe;
169 memcpy(msg,msg_got,sizeof(s_gras_msg_t));
171 SIMIX_mutex_unlock(remote_hd->mutex_port[sock->peer_port]);
173 VERB3("Received a message type '%s' kind '%s' ID %lu",// from %s",
175 e_gras_msg_kind_names[msg->kind],