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 /** \brief Send the data pointed by \a payload as a message of type
24 * \a msgtype to the peer \a sock */
26 gras_msg_send(gras_socket_t sock,
27 gras_msgtype_t msgtype,
31 gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;
33 int whole_payload_size=0; /* msg->payload_size is used to memcpy the payload.
34 This is used to report the load onto the simulator. It also counts the size of pointed stuff */
36 xbt_assert1(!gras_socket_is_meas(sock),
37 "Asked to send a message on the measurement socket %p", sock);
39 msg=xbt_new0(s_gras_msg_t,1);
43 msg->payload_size=gras_datadesc_size(msgtype->ctn_type);
44 msg->payload=xbt_malloc(gras_datadesc_size(msgtype->ctn_type));
45 if (msgtype->ctn_type)
46 whole_payload_size = gras_datadesc_copy(msgtype->ctn_type,payload,msg->payload);
48 task=MSG_task_create(msgtype->name,0,
49 ((double)msg->payload_size)/(1024.0*1024.0),msg);
51 if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK)
52 THROW0(system_error,0,"Problem during the MSG_task_put");
56 * receive the next message on the given socket.
59 gras_msg_recv(gras_socket_t sock,
60 gras_msgtype_t *msgtype,
66 gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
68 xbt_assert1(!gras_socket_is_meas(sock),
69 "Asked to receive a message on the measurement socket %p", sock);
71 if (MSG_task_get(&task, pd->chan) != MSG_OK)
72 THROW0(system_error,0,"Error in MSG_task_get()");
74 msg = MSG_task_get_data(task);
75 *msgtype = gras_msgtype_by_id(msg->type->code);
76 *payload = msg->payload;
77 *payload_size = msg->payload_size;
80 if (MSG_task_destroy(task) != MSG_OK)
81 THROW0(system_error,0,"Error in MSG_task_destroy()");