#include "xbt/ex.h"
-//#include "msg/msg.h"
-
+#include "gras_simix/Msg/gras_simix_msg_private.h"
#include "gras_simix_transport_private.h"
#include "gras_simix/Virtu/gras_simix_virtu_sg.h"
void gras_trp_sg_socket_client(gras_trp_plugin_t self,
/* OUT */ gras_socket_t sock){
- /*
xbt_ex_t e;
smx_host_t peer;
gras_hostdata_t *hd;
+ gras_hostdata_t *local_hd;
gras_trp_sg_sock_data_t *data;
gras_sg_portrec_t pr;
-*/
+ int i;
+
/* make sure this socket will reach someone */
- /*if (!(peer=SIMIX_get_host_by_name(sock->peer_name)))
+ 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)))
"can't connect to %s:%d in meas 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->from_PID = gras_os_getpid();
+ data = xbt_new(gras_trp_sg_sock_data_t,1);
data->from_process = SIMIX_process_self();
data->to_process = pr.process;
- //data->to_PID = hd->proc[ pr.tochan ];
- data->to_port = pr;
data->to_host = peer;
- //data->to_chan = pr.tochan;
+
+ /* searches for a free port on this host */
+ local_hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
+ for (i=1;i<65536;i++) {
+ if (local_hd->cond_port[i] == NULL)
+ break;
+ }
+ if (i == 65536) THROW0(system_error,0,"No port free");
+ sock->port = i;
+ local_hd->cond_port[i] = SIMIX_cond_init();
+ local_hd->mutex_port[i] = SIMIX_mutex_init();
sock->data = data;
sock->incoming = 1;
- DEBUG6("%s (PID %d) connects in %s mode to %s:%d (to_PID=%d)",
- SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid,
+ DEBUG5("%s (PID %ld) 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,data->to_PID);
-*/
+ sock->peer_name,sock->peer_port);
}
void gras_trp_sg_socket_server(gras_trp_plugin_t self,
gras_socket_t sock){
-/*
+
gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
- gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
+ //gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
gras_sg_portrec_t pr;
gras_trp_sg_sock_data_t *data;
volatile int found;
xbt_assert0(hd,"Please run gras_process_init on each process");
- sock->accepting = 0;*/ /* no such nuisance in SG */
-/*
+ sock->accepting = 0; /* no such nuisance in SG */
found = 0;
TRY {
find_port(hd,sock->port,&pr);
"can't listen on address %s:%d: port already in use.",
host,sock->port);
- //pr.tochan = sock->meas ? pd->measChan : pd->chan;
pr.port = sock->port;
pr.meas = sock->meas;
pr.process = SIMIX_process_self();
xbt_dynar_push(hd->ports,&pr);
- */
+
+ hd->cond_port[sock->port] = SIMIX_cond_init();
+ hd->mutex_port[sock->port] = SIMIX_mutex_init();
+
/* Create the socket */
- /*data = xbt_new(gras_trp_sg_sock_data_t,1);
- data->from_process = NULL;
- data->to_PID = SIMIX_process_self();;
- //data->to_process = gras_os_getpid();
- data->to_host = SIMIX_host_self();
- data->to_port = pr;
- //data->to_chan = pd->chan;
+ 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();
sock->data = data;
- VERB6("'%s' (%d) ears on %s:%d%s (%p)",
+ VERB6("'%s' (%ld) ears on %s:%d%s (%p)",
SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
host,sock->port,sock->meas? " (mode meas)":"",sock);
-*/
+
}
void gras_trp_sg_socket_close(gras_socket_t sock){
-/*
+ xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets;
+ gras_socket_t sock_iter;
+ int cursor;
+ int found;
gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
int cpt;
-
- gras_sg_portrec_t pr;
+ gras_sg_portrec_t pr;
XBT_IN1(" (sock=%p)",sock);
if (!sock) return;
+
xbt_assert0(hd,"Please run gras_process_init on each process");
if (sock->data)
free(sock->data);
- if (sock->incoming && sock->port >= 0) {*/
+ /* search for a socket in the list that is using the mutex and condition. It can happen because we create 2 sockets to communicate (incomming and outgoing) */
+ found = 0;
+ xbt_dynar_foreach(sockets,cursor,sock_iter) {
+ if (sock_iter->port == sock->port) {
+ found = 1;
+ break;
+ }
+ }
+ /* if not found, it is the last socket opened in this port and we can free the mutex and condition */
+ if (!found) {
+ SIMIX_cond_destroy(hd->cond_port[sock->port]);
+ hd->cond_port[sock->port] = NULL;
+ SIMIX_mutex_destroy(hd->mutex_port[sock->port]);
+ hd->mutex_port[sock->port] = NULL;
+ }
+
+
+ if (sock->incoming && !sock->outgoing && sock->port >= 0) {
/* server mode socket. Unregister it from 'OS' tables */
-/* xbt_dynar_foreach(hd->ports, cpt, pr) {
+ 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;
+ 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);
}
XBT_OUT;
-*/
+
}
typedef struct {
void gras_trp_sg_chunk_send_raw(gras_socket_t sock,
const char *data,
unsigned long int size) {
+ char name[256];
+ static unsigned int count=0;
+
+ smx_action_t act; /* simix action */
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_hostdata_t *hd;
+ gras_hostdata_t *remote_hd;
+ gras_trp_procdata_t trp_remote_proc;
+ gras_msg_procdata_t msg_remote_proc;
+ gras_msg_t msg; /* message to send */
+
+ sock_data = (gras_trp_sg_sock_data_t *)sock->data;
+ hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
+ remote_hd = (gras_hostdata_t *)SIMIX_host_get_data(sock_data->to_host);
+
+ xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
+
+
+ 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);
+ } else {
+ msg->payl = NULL;
+ }
+
+ /* 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);
+
+ /* wake-up the receiver */
+ trp_remote_proc = (gras_trp_procdata_t)gras_libdata_by_name_from_remote("gras_trp",sock_data->to_process);
+ SIMIX_cond_signal(trp_remote_proc->cond);
+
+ SIMIX_mutex_lock(remote_hd->mutex_port[sock->peer_port]);
+ /* wait for the receiver */
+ SIMIX_cond_wait(remote_hd->cond_port[sock->peer_port], remote_hd->mutex_port[sock->peer_port]);
+
+ /* 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);
+
+ act = SIMIX_action_communicate(sock_data->to_host, SIMIX_host_self(),name, size, -1);
+ SIMIX_register_action_to_condition(act,remote_hd->cond_port[sock->peer_port]);
+ SIMIX_register_condition_to_action(act,remote_hd->cond_port[sock->peer_port]);
+
+ SIMIX_host_get_name(sock_data->to_host),SIMIX_process_get_name(sock_data->to_process),
+
+ SIMIX_cond_wait(remote_hd->cond_port[sock->peer_port], remote_hd->mutex_port[sock->peer_port]);
+ /* error treatmeant */
+
+ /* cleanup structures */
+ SIMIX_action_destroy(act);
+ SIMIX_mutex_unlock(remote_hd->mutex_port[sock->peer_port]);
+ SIMIX_cond_signal(remote_hd->cond_port[sock->peer_port]);
/*
m_task_t task=NULL;
- static unsigned int count=0;
char name[256];
gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)sock->data;
sg_task_data_t *task_data;
int gras_trp_sg_chunk_recv(gras_socket_t sock,
char *data,
unsigned long int size){
+ gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
+ gras_trp_sg_sock_data_t *sock_data;
+ gras_hostdata_t *remote_hd;
+ gras_hostdata_t *local_hd;
+ gras_msg_t msg_got;
+ gras_msg_procdata_t msg_procdata = (gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
+
+ xbt_assert0(sock->meas, "SG chunk exchange shouldn't be used on non-measurement sockets");
+
+ SIMIX_mutex_lock(pd->mutex);
+ if (xbt_fifo_size(msg_procdata->msg_to_receive_queue) == 0 ) {
+ SIMIX_cond_wait_timeout(pd->cond,pd->mutex,60);
+ }
+ if (xbt_fifo_size(msg_procdata->msg_to_receive_queue) == 0 ) {
+ THROW0(timeout_error,0,"Timeout");
+ }
+ SIMIX_mutex_unlock(pd->mutex);
+
+ sock_data = (gras_trp_sg_sock_data_t *)sock->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);
+ local_hd = (gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
+
+
+
+ msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue);
+
+ SIMIX_mutex_lock(local_hd->mutex_port[sock->port]);
+/* ok, I'm here, you can continue the communication */
+ SIMIX_cond_signal(local_hd->cond_port[sock->port]);
+
+/* wait for communication end */
+ SIMIX_cond_wait(local_hd->cond_port[sock->port],local_hd->mutex_port[sock->port]);
+
+
+ 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_cond_wait(local_hd->cond_port[sock->port],local_hd->mutex_port[sock->port]);
+ SIMIX_mutex_unlock(local_hd->mutex_port[sock->port]);
+
/*
gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);