X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7193fe1f5fb4e2b290923cfdc73ef0d4cd80c351..6c70be774ea7f214c9945645ddcb11bbdb5ef33a:/src/gras/Msg/sg_msg.c diff --git a/src/gras/Msg/sg_msg.c b/src/gras/Msg/sg_msg.c index 6add5c1680..90d3259487 100644 --- a/src/gras/Msg/sg_msg.c +++ b/src/gras/Msg/sg_msg.c @@ -20,36 +20,91 @@ 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) { - - 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; +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 */ - xbt_assert1(!gras_socket_is_meas(sock), - "Asked to send a message on the measurement socket %p", sock); - - msg=xbt_new0(s_gras_msg_t,1); - msg->type=msgtype; - - - msg->payload_size=gras_datadesc_size(msgtype->ctn_type); - msg->payload=xbt_malloc(gras_datadesc_size(msgtype->ctn_type)); - if (msgtype->ctn_type) - whole_payload_size = gras_datadesc_copy(msgtype->ctn_type,payload,msg->payload); + sock_data = (gras_trp_sg_sock_data_t *)sock->data; - task=MSG_task_create(msgtype->name,0, - ((double)msg->payload_size)/(1024.0*1024.0),msg); + hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self()); - 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"); + 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); + msg->payl=xbt_malloc(msg->payl_size); + 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); + + 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); + + /* 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); + + 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_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"); } /* @@ -57,26 +112,47 @@ gras_msg_send(gras_socket_t sock, */ void gras_msg_recv(gras_socket_t sock, - gras_msgtype_t *msgtype, - void **payload, - int *payload_size) { - - m_task_t task=NULL; - gras_msg_t msg; - gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp"); + 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); - 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()"); + 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); + + 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); }