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/Virtu/virtu_sg.h"
14 #include "gras/Msg/msg_private.h"
16 #include "gras/DataDesc/datadesc_interface.h"
17 #include "gras/Transport/transport_interface.h" /* gras_trp_chunk_send/recv */
18 #include "gras/Transport/transport_private.h" /* sock->data */
20 XBT_LOG_EXTERNAL_CATEGORY(gras_msg);
21 XBT_LOG_DEFAULT_CATEGORY(gras_msg);
23 void gras_msg_send_ext(gras_socket_t sock,
24 e_gras_msg_kind_t kind,
26 gras_msgtype_t msgtype,
30 gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;
32 int whole_payload_size=0; /* msg->payload_size is used to memcpy the payload.
33 This is used to report the load onto the simulator. It also counts the size of pointed stuff */
35 xbt_assert1(!gras_socket_is_meas(sock),
36 "Asked to send a message on the measurement socket %p", sock);
38 msg=xbt_new0(s_gras_msg_t,1);
42 if (kind == e_gras_msg_kind_rpcerror) {
43 /* error on remote host, carfull, payload is an exception */
44 msg->payl_size=gras_datadesc_size(gras_datadesc_by_name("ex_t"));
45 msg->payl=xbt_malloc(msg->payl_size);
46 whole_payload_size = gras_datadesc_copy(gras_datadesc_by_name("ex_t"),
48 } else if (kind == e_gras_msg_kind_rpcanswer) {
49 msg->payl_size=gras_datadesc_size(msgtype->answer_type);
50 msg->payl=xbt_malloc(msg->payl_size);
51 if (msgtype->answer_type)
52 whole_payload_size = gras_datadesc_copy(msgtype->answer_type,
55 msg->payl_size=gras_datadesc_size(msgtype->ctn_type);
56 msg->payl=xbt_malloc(msg->payl_size);
57 if (msgtype->ctn_type)
58 whole_payload_size = gras_datadesc_copy(msgtype->ctn_type,
64 task=MSG_task_create(msgtype->name,0,
65 ((double)whole_payload_size)/(1024.0*1024.0),msg);
67 if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK)
68 THROW0(system_error,0,"Problem during the MSG_task_put");
70 VERB5("Sent to %s(%d) a message type '%s' kind '%s' ID %lu",
71 MSG_host_get_name(sock_data->to_host),sock_data->to_PID,
73 e_gras_msg_kind_names[msg->kind],
77 * receive the next message on the given socket.
80 gras_msg_recv(gras_socket_t sock,
85 gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
87 xbt_assert1(!gras_socket_is_meas(sock),
88 "Asked to receive a message on the measurement socket %p", sock);
90 xbt_assert0(msg,"msg is an out parameter of gras_msg_recv...");
93 if (MSG_task_get(&task, pd->chan) != MSG_OK)
94 THROW0(system_error,0,"Error in MSG_task_get()");
96 msg_got=MSG_task_get_data(task);
99 msg_got->expe= msg->expe;
100 memcpy(msg,msg_got,sizeof(s_gras_msg_t));
103 if (MSG_task_destroy(task) != MSG_OK)
104 THROW0(system_error,0,"Error in MSG_task_destroy()");
106 VERB3("Received a message type '%s' kind '%s' ID %lu",// from %s",
108 e_gras_msg_kind_names[msg->kind],