/* 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 "xbt/ex.h"
+#include "xbt/ex.h"
#include "gras/Msg/msg_private.h"
#include "gras/Transport/transport_private.h"
#include "gras/Virtu/virtu_sg.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_sg,gras_trp,"SimGrid pseudo-transport");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_sg, gras_trp,
+ "SimGrid pseudo-transport");
/***
*** Prototypes
***/
-/* retrieve the port record associated to a numerical port on an host */
-static void find_port(gras_hostdata_t *hd, int port, gras_sg_portrec_t *hpd);
-
void gras_trp_sg_socket_client(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock);
+ /* OUT */ gras_socket_t sock);
void gras_trp_sg_socket_server(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock);
+ /* OUT */ gras_socket_t sock);
void gras_trp_sg_socket_close(gras_socket_t sd);
void gras_trp_sg_chunk_send_raw(gras_socket_t sd,
- const char *data,
- unsigned long int size);
+ const char *data, unsigned long int size);
void gras_trp_sg_chunk_send(gras_socket_t sd,
- const char *data,
- unsigned long int size,
- int stable_ignored);
+ const char *data,
+ unsigned long int size, int stable_ignored);
int gras_trp_sg_chunk_recv(gras_socket_t sd,
- char *data,
- unsigned long int size);
+ char *data, unsigned long int size);
/***
*** Specific plugin part
***/
typedef struct {
- int placeholder; /* nothing plugin specific so far */
-} gras_trp_sg_plug_data_t;
+ xbt_dict_t sockets; /* all known sockets */
+} s_gras_trp_sg_plug_data_t,*gras_trp_sg_plug_data_t;
/***
*** Code
***/
-static void find_port(gras_hostdata_t *hd, int port,
- gras_sg_portrec_t *hpd) {
- int cpt;
- gras_sg_portrec_t pr;
-
- xbt_assert0(hd,"Please run gras_process_init on each process");
-
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- if (pr.port == port) {
- memcpy(hpd,&pr,sizeof(gras_sg_portrec_t));
- return;
- }
- }
- THROW1(mismatch_error,0,"Unable to find any portrec for port #%d",port);
-}
+static void gras_trp_sg_exit(gras_trp_plugin_t plug){
+ gras_trp_sg_plug_data_t mydata = (gras_trp_sg_plug_data_t) plug->data;
+ xbt_dict_free(&(mydata->sockets));
+ xbt_free(plug->data);
+}
+void gras_trp_sg_setup(gras_trp_plugin_t plug)
+{
+ gras_trp_sg_plug_data_t data = xbt_new(s_gras_trp_sg_plug_data_t, 1);
-void
-gras_trp_sg_setup(gras_trp_plugin_t plug) {
-
- gras_trp_sg_plug_data_t *data=xbt_new(gras_trp_sg_plug_data_t,1);
+ plug->data = data;
+ data->sockets = xbt_dict_new();
- plug->data = data;
+ plug->exit = gras_trp_sg_exit;
plug->socket_client = gras_trp_sg_socket_client;
plug->socket_server = gras_trp_sg_socket_server;
- plug->socket_close = gras_trp_sg_socket_close;
+ plug->socket_close = gras_trp_sg_socket_close;
plug->raw_send = gras_trp_sg_chunk_send_raw;
plug->send = gras_trp_sg_chunk_send;
plug->raw_recv = plug->recv = gras_trp_sg_chunk_recv;
- plug->flush = NULL; /* nothing cached */
+ plug->flush = NULL; /* nothing cached */
}
void gras_trp_sg_socket_client(gras_trp_plugin_t self,
- /* OUT */ gras_socket_t sock){
- xbt_ex_t e;
+ /* OUT */ gras_socket_t sock) {
smx_host_t peer;
- gras_hostdata_t *hd;
gras_trp_sg_sock_data_t *data;
- gras_sg_portrec_t pr;
+ gras_trp_procdata_t pd= (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
- /* make sure this socket will reach someone */
- if (!(peer=SIMIX_host_get_by_name(sock->peer_name)))
- THROW1(mismatch_error,0,"Can't connect to %s: no such host.\n",sock->peer_name);
-
- if (!(hd=(gras_hostdata_t *)SIMIX_host_get_data(peer)))
- THROW1(mismatch_error,0,
- "can't connect to %s: no process on this host",
- sock->peer_name);
-
- TRY {
- find_port(hd,sock->peer_port,&pr);
- } CATCH(e) {
- if (e.category == mismatch_error) {
- xbt_ex_free(e);
- THROW2(mismatch_error,0,
- "can't connect to %s:%d, no process listen on this port",
- sock->peer_name,sock->peer_port);
- }
- RETHROW;
- }
- if (pr.meas && !sock->meas) {
- THROW2(mismatch_error,0,
- "can't connect to %s:%d in regular mode, the process listen "
- "in meas mode on this port",sock->peer_name,sock->peer_port);
+ if (!(peer = SIMIX_host_get_by_name(sock->peer_name)))
+ THROW1(mismatch_error, 0,
+ "Can't connect to %s: no such host", sock->peer_name);
+
+ /* make sure this socket will reach someone */
+ xbt_dict_t all_sockets = ((gras_trp_sg_plug_data_t)self->data)->sockets;
+ char *sock_name=bprintf("%s:%d",sock->peer_name,sock->peer_port);
+ gras_socket_t server = xbt_dict_get_or_null(all_sockets,sock_name);
+ free(sock_name);
+
+ if (!server)
+ THROW2(mismatch_error, 0,
+ "can't connect to %s:%d, no process listen on this port",
+ sock->peer_name, sock->peer_port);
+
+ if (server->meas && !sock->meas) {
+ THROW2(mismatch_error, 0,
+ "can't connect to %s:%d in regular mode, the process listen "
+ "in measurement mode on this port", sock->peer_name,
+ sock->peer_port);
}
- if (!pr.meas && sock->meas) {
- THROW2(mismatch_error,0,
- "can't connect to %s:%d in meas mode, the process listen "
- "in regular mode on this port",sock->peer_name,sock->peer_port);
+ if (!server->meas && sock->meas) {
+ THROW2(mismatch_error, 0,
+ "can't connect to %s:%d in measurement mode, the process listen "
+ "in regular mode on this port", sock->peer_name, sock->peer_port);
}
/* create the socket */
- data = xbt_new(gras_trp_sg_sock_data_t,1);
+ data = xbt_new0(gras_trp_sg_sock_data_t, 1);
+ data->rdv = ((gras_trp_sg_sock_data_t *)server->data)->rdv;
data->from_process = SIMIX_process_self();
- data->to_process = pr.process;
- data->to_host = peer;
-
- /* initialize mutex and condition of the socket */
- data->mutex = SIMIX_mutex_init();
- data->cond = SIMIX_cond_init();
- data->to_socket = pr.socket;
sock->data = data;
sock->incoming = 1;
+ /* Create a smx comm object about this socket */
+ data->ongoing_msg_size = sizeof(s_gras_msg_t);
+ smx_comm_t comm = SIMIX_network_irecv(data->rdv,&(data->ongoing_msg),&(data->ongoing_msg_size));
+ xbt_dynar_push(pd->comms,&comm);
+
DEBUG5("%s (PID %d) connects in %s mode to %s:%d",
- SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- sock->meas?"meas":"regular",
- sock->peer_name,sock->peer_port);
+ SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
+ sock->meas ? "meas" : "regular", sock->peer_name, sock->peer_port);
}
-void gras_trp_sg_socket_server(gras_trp_plugin_t self,
- gras_socket_t sock){
+void gras_trp_sg_socket_server(gras_trp_plugin_t self, gras_socket_t sock) {
+ gras_trp_procdata_t pd= (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
+ xbt_dict_t all_sockets = ((gras_trp_sg_plug_data_t)self->data)->sockets;
- gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- gras_sg_portrec_t pr;
- gras_trp_sg_sock_data_t *data;
- volatile int found;
-
- const char *host=SIMIX_host_get_name(SIMIX_host_self());
-
- xbt_ex_t e;
-
- xbt_assert0(hd,"Please run gras_process_init on each process");
-
- sock->accepting = 0; /* no such nuisance in SG */
- found = 0;
- TRY {
- find_port(hd,sock->port,&pr);
- found = 1;
- } CATCH(e) {
- if (e.category == mismatch_error)
- xbt_ex_free(e);
- else
- RETHROW;
- }
-
- if (found)
- THROW2(mismatch_error,0,
- "can't listen on address %s:%d: port already in use.",
- host,sock->port);
-
- pr.port = sock->port;
- pr.meas = sock->meas;
- pr.socket = sock;
- pr.process = SIMIX_process_self();
- xbt_dynar_push(hd->ports,&pr);
-
- /* Create the socket */
- data = xbt_new(gras_trp_sg_sock_data_t,1);
- data->from_process = SIMIX_process_self();
- data->to_process = NULL;
- data->to_host = SIMIX_host_self();
-
- data->cond = SIMIX_cond_init();
- data->mutex = SIMIX_mutex_init();
+ /* Make sure that this socket was not opened so far */
+ char *sock_name=bprintf("%s:%d",gras_os_myname(),sock->port);
+ gras_socket_t old = xbt_dict_get_or_null(all_sockets,sock_name);
+ if (old)
+ THROW1(mismatch_error, 0,
+ "can't listen on address %s: port already in use.",
+ sock_name);
+
+
+ /* Create the data associated to the socket */
+ gras_trp_sg_sock_data_t *data = xbt_new0(gras_trp_sg_sock_data_t, 1);
+ data->rdv = SIMIX_rdv_create(sock_name);
+ data->from_process = SIMIX_process_self();
+ SIMIX_rdv_set_data(data->rdv,sock);
+
+ sock->is_master = 1;
+ sock->incoming = 1;
sock->data = data;
- VERB6("'%s' (%d) ears on %s:%d%s (%p)",
- SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- host,sock->port,sock->meas? " (mode meas)":"",sock);
+ /* Register the socket to the set of sockets known simulation-wide */
+ xbt_dict_set(all_sockets,sock_name,sock,NULL); /* FIXME: add a function to raise a warning at simulation end for non-closed sockets */
+
+ /* Create a smx comm object about this socket */
+ data->ongoing_msg_size = sizeof(s_gras_msg_t);
+ smx_comm_t comm = SIMIX_network_irecv(data->rdv,&(data->ongoing_msg),&(data->ongoing_msg_size));
+ INFO2("irecv comm %p onto %p",comm,&(data->ongoing_msg));
+ xbt_dynar_push(pd->comms,&comm);
+ VERB6("'%s' (%d) ears on %s:%d%s (%p)",
+ SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
+ gras_os_myname(), sock->port, sock->meas ? " (mode meas)" : "", sock);
+ free(sock_name);
}
-void gras_trp_sg_socket_close(gras_socket_t sock){
- gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- int cpt;
- gras_sg_portrec_t pr;
+void gras_trp_sg_socket_close(gras_socket_t sock) {
+ gras_trp_procdata_t pd= (gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id);
+ if (sock->is_master) {
+ /* server mode socket. Unregister it from 'OS' tables */
+ char *sock_name=bprintf("%s:%d",gras_os_myname(),sock->port);
- XBT_IN1(" (sock=%p)",sock);
-
- if (!sock) return;
+ xbt_dict_t sockets = ((gras_trp_sg_plug_data_t)sock->plugin->data)->sockets;
+ gras_socket_t old = xbt_dict_get_or_null(sockets,sock_name);
+ if (!old)
+ WARN2("socket_close called on the unknown server socket %p (port=%d)",
+ sock, sock->port);
+ xbt_dict_remove(sockets,sock_name);
+ free(sock_name);
- xbt_assert0(hd,"Please run gras_process_init on each process");
+ }
if (sock->data) {
- SIMIX_cond_destroy(((gras_trp_sg_sock_data_t*)sock->data)->cond);
- SIMIX_mutex_destroy(((gras_trp_sg_sock_data_t*)sock->data)->mutex);
- free(sock->data);
- }
-
- if (sock->incoming && !sock->outgoing && sock->port >= 0) {
- /* server mode socket. Unregister it from 'OS' tables */
- xbt_dynar_foreach(hd->ports, cpt, pr) {
- DEBUG2("Check pr %d of %lu", cpt, xbt_dynar_length(hd->ports));
- if (pr.port == sock->port) {
- xbt_dynar_cursor_rm(hd->ports, &cpt);
- XBT_OUT;
- return;
- }
- }
- WARN2("socket_close called on the unknown incoming socket %p (port=%d)",
- sock,sock->port);
+ SIMIX_rdv_destroy(((gras_trp_sg_sock_data_t *) sock->data)->rdv);
+ free(sock->data);
}
- XBT_OUT;
+ xbt_dynar_push(pd->sockets_to_close,&sock);
+ gras_msg_listener_awake();
+
+ XBT_OUT;
}
typedef struct {
} sg_task_data_t;
void gras_trp_sg_chunk_send(gras_socket_t sock,
- const char *data,
- unsigned long int size,
- int stable_ignored) {
- gras_trp_sg_chunk_send_raw(sock,data,size);
+ const char *data,
+ unsigned long int size, int stable_ignored)
+{
+ gras_trp_sg_chunk_send_raw(sock, data, size);
}
void gras_trp_sg_chunk_send_raw(gras_socket_t sock,
- const char *data,
- unsigned long int size) {
+ const char *data, unsigned long int size)
+{
char name[256];
- static unsigned int count=0;
+ static unsigned int count = 0;
- smx_action_t act; /* simix action */
- gras_trp_sg_sock_data_t *sock_data;
- gras_trp_procdata_t trp_remote_proc;
- gras_msg_procdata_t msg_remote_proc;
- gras_msg_t msg; /* message to send */
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_msg_t msg; /* message to send */
- sock_data = (gras_trp_sg_sock_data_t *)sock->data;
+ sock_data = (gras_trp_sg_sock_data_t *) sock->data;
- xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
+ xbt_assert0(sock->meas,
+ "SG chunk exchange shouldn't be used on non-measurement sockets");
- SIMIX_mutex_lock(sock_data->mutex);
- sprintf(name,"Chunk[%d]",count++);
- /*initialize gras message */
- msg = xbt_new(s_gras_msg_t,1);
- msg->expe = sock;
- msg->payl_size=size;
+ sprintf(name, "Chunk[%d]", count++);
+ /*initialize gras message */
+ msg = xbt_new(s_gras_msg_t, 1);
+ msg->expe = sock;
+ msg->payl_size = size;
if (data) {
- msg->payl=(void*)xbt_malloc(size);
- memcpy(msg->payl,data,size);
+ msg->payl = (void *) xbt_malloc(size);
+ memcpy(msg->payl, data, size);
} else {
msg->payl = NULL;
}
+ SIMIX_network_send(sock_data->rdv,size,-1.,-1.,&msg,sizeof(msg),(smx_comm_t*)&(msg->comm),msg);
+}
- /* 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_meas,msg);
- /* put his socket on the active_socket list */
- trp_remote_proc = (gras_trp_procdata_t)gras_libdata_by_name_from_remote("gras_trp",sock_data->to_process);
- xbt_fifo_push(trp_remote_proc->active_socket_meas,sock);
- /* wake-up the receiver */
-
- SIMIX_cond_signal(trp_remote_proc->cond_meas);
-
- /* wait for the receiver */
- SIMIX_cond_wait(sock_data->cond,sock_data->mutex);
+int gras_trp_sg_chunk_recv(gras_socket_t sock,
+ char *data, unsigned long int size)
+{
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_msg_t msg_got;
+ smx_comm_t comm;
- /* creates simix action and waits its ends, waits in the sender host condition*/
- DEBUG5("send chunk %s from %s to %s:%d (size=%ld)",
- name, SIMIX_host_get_name(SIMIX_host_self()),
- SIMIX_host_get_name(sock_data->to_host), sock->peer_port,size);
+ xbt_assert0(sock->meas,
+ "SG chunk exchange shouldn't be used on non-measurement sockets");
- act = SIMIX_action_communicate(SIMIX_host_self(), sock_data->to_host, name, size, -1);
- SIMIX_register_action_to_condition(act,sock_data->cond);
- SIMIX_register_condition_to_action(act,sock_data->cond);
+ sock_data = (gras_trp_sg_sock_data_t *) sock->data;
- SIMIX_cond_wait(sock_data->cond,sock_data->mutex);
- /* error treatmeant */
+ SIMIX_network_recv(sock_data->rdv,-1.,&msg_got,NULL,&comm);
- /* cleanup structures */
- SIMIX_action_destroy(act);
+ if (msg_got->payl_size != size)
+ THROW5(mismatch_error, 0,
+ "Got %d bytes when %ld where expected (in %s->%s:%d)",
+ msg_got->payl_size, size,
+ SIMIX_host_get_name(sock_data->to_host),
+ SIMIX_host_get_name(SIMIX_host_self()), sock->peer_port);
- SIMIX_mutex_unlock(sock_data->mutex);
-}
+ if (data)
+ memcpy(data, msg_got->payl, size);
-int gras_trp_sg_chunk_recv(gras_socket_t sock,
- char *data,
- unsigned long int size){
- gras_trp_sg_sock_data_t *sock_data;
- gras_trp_sg_sock_data_t *remote_sock_data;
- gras_socket_t remote_socket;
- gras_msg_t msg_got;
- gras_msg_procdata_t msg_procdata = (gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
- gras_trp_procdata_t trp_proc=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
-
- xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
-
- SIMIX_mutex_lock(trp_proc->mutex_meas);
- if (xbt_fifo_size(msg_procdata->msg_to_receive_queue_meas) == 0 ) {
- SIMIX_cond_wait_timeout(trp_proc->cond_meas,trp_proc->mutex_meas,60);
- }
- if (xbt_fifo_size(msg_procdata->msg_to_receive_queue_meas) == 0 ) {
- SIMIX_mutex_unlock(trp_proc->mutex_meas);
- THROW0(timeout_error,0,"Timeout");
- }
- SIMIX_mutex_unlock(trp_proc->mutex_meas);
-
- remote_socket = xbt_fifo_shift(trp_proc->active_socket_meas);
- remote_sock_data = (gras_trp_sg_sock_data_t *)remote_socket->data;
- msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue_meas);
-
- sock_data = (gras_trp_sg_sock_data_t *)sock->data;
-
-/* ok, I'm here, you can continue the communication */
- SIMIX_cond_signal(remote_sock_data->cond);
-
- SIMIX_mutex_lock(remote_sock_data->mutex);
-/* wait for communication end */
- SIMIX_cond_wait(remote_sock_data->cond,remote_sock_data->mutex);
+ if (msg_got->payl)
+ xbt_free(msg_got->payl);
- if (msg_got->payl_size != size)
- THROW5(mismatch_error,0,
- "Got %d bytes when %ld where expected (in %s->%s:%d)",
- msg_got->payl_size, size,
- SIMIX_host_get_name(sock_data->to_host),
- SIMIX_host_get_name(SIMIX_host_self()), sock->peer_port);
- if (data) {
- memcpy(data,msg_got->payl,size);
- }
- if (msg_got->payl)
- xbt_free(msg_got->payl);
- xbt_free(msg_got);
- SIMIX_mutex_unlock(remote_sock_data->mutex);
- return 0;
+ xbt_free(msg_got);
+ return 0;
}
-
