#include "xbt/ex.h"
+#include "simix/simix.h"
#include "gras/Msg/msg_private.h"
#include "gras/Transport/transport_private.h"
#include "gras/Virtu/virtu_sg.h"
***/
/* 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);
-
+static gras_sg_portrec_t find_port(gras_hostdata_t * hd, int port);
void gras_trp_sg_socket_client(gras_trp_plugin_t self,
+ const char*host,
+ int port,
/* OUT */ gras_socket_t sock);
void gras_trp_sg_socket_server(gras_trp_plugin_t self,
+ int port,
/* OUT */ gras_socket_t sock);
void gras_trp_sg_socket_close(gras_socket_t sd);
/***
*** Code
***/
-static void find_port(gras_hostdata_t * hd, int port, gras_sg_portrec_t * hpd)
+static gras_sg_portrec_t find_port(gras_hostdata_t * hd, int port)
{
unsigned 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;
- }
+ if (pr->port == port)
+ return pr;
}
- THROW1(mismatch_error, 0, "Unable to find any portrec for port #%d", port);
+ return NULL;
}
+/***
+ *** Info about who's speaking
+ ***/
+static int gras_trp_sg_my_port(gras_socket_t s) {
+ gras_trp_sg_sock_data_t sockdata = s->data;
+ if (sockdata->rdv_client == NULL) /* Master socket, I'm server */
+ return sockdata->server_port;
+ else
+ return sockdata->client_port;
+}
+static int gras_trp_sg_peer_port(gras_socket_t s) {
+ gras_trp_sg_sock_data_t sockdata = s->data;
+ if (sockdata->server == SIMIX_process_self())
+ return sockdata->client_port;
+ else
+ return sockdata->server_port;
+}
+static const char* gras_trp_sg_peer_name(gras_socket_t s) {
+ gras_trp_sg_sock_data_t sockdata = s->data;
+ if (sockdata->server == SIMIX_process_self())
+ return SIMIX_host_get_name(SIMIX_process_get_host(sockdata->client));
+ else {
+ if (sockdata->client!=SIMIX_process_self()) {
+ /* THAT'S BAD! I should be either client or server of the sockets I get messages on!! */
+ /* This is where the bug is visible. Try to die as loudly as possible */
+ xbt_backtrace_display_current();
+ ((char*)s)[sizeof(*s)+1] = '0'; /* Try to make valgrind angry to see where that damn socket comes from */
+ xbt_die(bprintf("I'm not the client in socket %p (comm:%p, rdvser=%p, rdvcli=%p) to %s, that's %s",
+ socket,sockdata->comm_recv,sockdata->rdv_server,sockdata->rdv_client,
+ SIMIX_host_get_name(SIMIX_process_get_host(sockdata->server)),
+ SIMIX_host_get_name(SIMIX_process_get_host(sockdata->client))));
+ }
+ xbt_assert(sockdata->client_port==gras_os_myport());
+ return SIMIX_host_get_name(SIMIX_process_get_host(sockdata->server));
+ }
+}
+static const char* gras_trp_sg_peer_proc(gras_socket_t s) {
+ THROW_UNIMPLEMENTED;
+}
+static void gras_trp_sg_peer_proc_set(gras_socket_t s,char *name) {
+ THROW_UNIMPLEMENTED;
+}
void gras_trp_sg_setup(gras_trp_plugin_t plug)
{
+ plug->my_port = gras_trp_sg_my_port;
+ plug->peer_port = gras_trp_sg_peer_port;
+ plug->peer_name = gras_trp_sg_peer_name;
+ plug->peer_proc = gras_trp_sg_peer_proc;
+ plug->peer_proc_set = gras_trp_sg_peer_proc_set;
+
gras_trp_sg_plug_data_t *data = xbt_new(gras_trp_sg_plug_data_t, 1);
plug->data = data;
}
void gras_trp_sg_socket_client(gras_trp_plugin_t self,
+ const char*host,
+ int port,
/* OUT */ gras_socket_t sock)
{
- xbt_ex_t e;
smx_host_t peer;
gras_hostdata_t *hd;
- gras_trp_sg_sock_data_t *data;
+ gras_trp_sg_sock_data_t data;
gras_sg_portrec_t pr;
/* make sure this socket will reach someone */
- if (!(peer = SIMIX_host_get_by_name(sock->peer_name)))
+ if (!(peer = SIMIX_host_get_by_name(host)))
THROW1(mismatch_error, 0,
- "Can't connect to %s: no such host.\n", sock->peer_name);
+ "Can't connect to %s: no such host.\n", host);
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);
+ "can't connect to %s: no process on this host",
+ host);
- 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;
+ pr = find_port(hd, port);
+
+ if (pr == NULL) {
+ THROW2(mismatch_error, 0,
+ "can't connect to %s:%d, no process listen on this port",
+ host, port);
}
- if (pr.meas && !sock->meas) {
+ /* Ensure that the listener is expecting the kind of stuff we want to send */
+ if (pr->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);
+ "in measurement mode on this port", host,
+ port);
}
- if (!pr.meas && sock->meas) {
+ if (!pr->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);
+ "in regular mode on this port", host,
+ port);
}
- /* create the socket */
- data = xbt_new(gras_trp_sg_sock_data_t, 1);
- 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;
+ /* create simulation data of the socket */
+ data = xbt_new0(s_gras_trp_sg_sock_data_t, 1);
+ data->client = SIMIX_process_self();
+ data->server = pr->server;
+ data->server_port = port;
+ data->client_port = gras_os_myport();
+ /* initialize synchronization stuff on the socket */
+ data->rdv_server = pr->rdv;
+ data->rdv_client = SIMIX_rdv_create(NULL);
+ data->comm_recv = SIMIX_network_irecv(data->rdv_client, NULL, 0);
+
+ /* connect that simulation data to the socket */
sock->data = data;
sock->incoming = 1;
- DEBUG5("%s (PID %d) connects in %s mode to %s:%d",
+ DEBUG8("%s (PID %d) connects in %s mode to %s:%d (rdv_ser:%p, rdv_cli:%p, comm:%p)",
SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
- sock->meas ? "meas" : "regular", sock->peer_name, sock->peer_port);
+ sock->meas ? "meas" : "regular", host, port,
+ data->rdv_server,data->rdv_client,data->comm_recv);
}
-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, int port, gras_socket_t sock)
{
gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
+ (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;
+ gras_trp_sg_sock_data_t data;
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;
- }
+ sock->accepting = 1;
+
+ /* Check whether a server is already listening on that port or not */
+ pr = find_port(hd, port);
- if (found)
+ if (pr)
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();
+ SIMIX_host_get_name(SIMIX_host_self()), port);
+
+ /* This port is free, let's take it */
+ pr = xbt_new(s_gras_sg_portrec_t, 1);
+ pr->port = port;
+ pr->meas = sock->meas;
+ pr->server = SIMIX_process_self();
+ pr->rdv = SIMIX_rdv_create(NULL);
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();
+ data = xbt_new0(s_gras_trp_sg_sock_data_t, 1);
+ data->server = SIMIX_process_self();
+ data->server_port = port;
+ data->client = NULL;
+ data->rdv_server = pr->rdv;
+ data->rdv_client = NULL;
+ data->comm_recv = SIMIX_network_irecv(pr->rdv, NULL, 0);
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);
+ VERB10
+ ("'%s' (%d) ears on %s:%d%s (%p; data:%p); Here rdv: %p; Remote rdv: %p; Comm %p",
+ SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(),
+ SIMIX_host_get_name(SIMIX_host_self()), port,
+ sock->meas ? " (mode meas)" : "", sock, data,
+ (data->server ==
+ SIMIX_process_self())? data->rdv_server : data->rdv_client,
+ (data->server ==
+ SIMIX_process_self())? data->rdv_client : data->rdv_server,
+ data->comm_recv);
}
void gras_trp_sg_socket_close(gras_socket_t sock)
{
gras_hostdata_t *hd =
- (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
+ (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
unsigned int cpt;
gras_sg_portrec_t pr;
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);
- }
+ gras_trp_sg_sock_data_t sockdata = sock->data;
- if (sock->incoming && !sock->outgoing && sock->port >= 0) {
+ if (sock->incoming && !sock->outgoing && sockdata->server_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) {
+ if (pr->port == sockdata->server_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);
+ WARN2
+ ("socket_close called on the unknown incoming socket %p (port=%d)",
+ sock, sockdata->server_port);
+ }
+ if (sock->data) {
+ /* FIXME: kill the rdv point if receiver side */
+ free(sock->data);
}
XBT_OUT;
}
void gras_trp_sg_chunk_send_raw(gras_socket_t sock,
const char *data, unsigned long int size)
{
+#ifdef KILLME
char name[256];
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 */
- sock_data = (gras_trp_sg_sock_data_t *) sock->data;
-
+ //gras_trp_sg_sock_data_t 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");
- 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;
-
- if (data) {
- msg->payl = (void *) xbt_malloc(size);
- memcpy(msg->payl, data, size);
- } else {
- msg->payl = NULL;
- }
-
-
- /* put his socket on the selectable socket 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->meas_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_meas, 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 */
- 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(SIMIX_host_self(), sock_data->to_host,
- name, size, -1);
- SIMIX_register_action_to_condition(act, sock_data->cond);
- 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);
+ /*
+ if (XBT_LOG_ISENABLED(gras_trp_sg, xbt_log_priority_debug)) {
+ smx_process_t remote_dude =
+ (sock_data->server ==
+ SIMIX_process_self())? (sock_data->client) : (sock_data->server);
+ smx_host_t remote_host = SIMIX_process_get_host(remote_dude);
+ }
+ */
+ //SIMIX_network_send(sock_data->rdv,size,1,-1,NULL,0,NULL,NULL);
+#endif
+ THROW_UNIMPLEMENTED;
}
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 *sock_data =
+ // (gras_trp_sg_sock_data_t *) sock->data;
+
+ //SIMIX_network_recv(sock_data->rdv,-1,NULL,0,NULL);
+ THROW_UNIMPLEMENTED;
+#ifdef KILLME
gras_trp_sg_sock_data_t *remote_sock_data;
gras_socket_t remote_socket = NULL;
gras_msg_t msg_got;
gras_msg_procdata_t msg_procdata =
- (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
+ (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);
+ (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");
xbt_free(msg_got);
SIMIX_mutex_unlock(remote_sock_data->mutex);
+#endif
return 0;
}
