X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d01820c429f4044f03d88363672e31d307e047a2..5178c3d78c741bc724a439f407d441300355c40d:/src/gras/Transport/transport_plugin_sg.c diff --git a/src/gras/Transport/transport_plugin_sg.c b/src/gras/Transport/transport_plugin_sg.c index 0123d216a7..b3335b8499 100644 --- a/src/gras/Transport/transport_plugin_sg.c +++ b/src/gras/Transport/transport_plugin_sg.c @@ -11,37 +11,39 @@ /* 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 "msg/msg.h" +#include "xbt/ex.h" -#include "transport_private.h" +#include "gras/Msg/msg_private.h" +#include "gras/Transport/transport_private.h" #include "gras/Virtu/virtu_sg.h" -XBT_LOG_EXTERNAL_CATEGORY(transport); -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(trp_sg,transport,"SimGrid pseudo-transport"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_sg,gras_trp,"SimGrid pseudo-transport"); /*** *** Prototypes ***/ -void hexa_print(unsigned char *data, int size); /* in gras.c */ /* retrieve the port record associated to a numerical port on an host */ -static xbt_error_t find_port(gras_hostdata_t *hd, int port, - gras_sg_portrec_t *hpd); +static void find_port(gras_hostdata_t *hd, int port, gras_sg_portrec_t *hpd); -xbt_error_t gras_trp_sg_socket_client(gras_trp_plugin_t *self, - /* OUT */ gras_socket_t sock); -xbt_error_t gras_trp_sg_socket_server(gras_trp_plugin_t *self, - /* OUT */ gras_socket_t sock); -void gras_trp_sg_socket_close(gras_socket_t sd); +void gras_trp_sg_socket_client(gras_trp_plugin_t self, + /* OUT */ gras_socket_t sock); +void gras_trp_sg_socket_server(gras_trp_plugin_t self, + /* OUT */ gras_socket_t sock); +void gras_trp_sg_socket_close(gras_socket_t sd); -xbt_error_t gras_trp_sg_chunk_send(gras_socket_t sd, - const char *data, - long int size); +void gras_trp_sg_chunk_send_raw(gras_socket_t sd, + 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); -xbt_error_t gras_trp_sg_chunk_recv(gras_socket_t sd, - char *data, - long int size); +int gras_trp_sg_chunk_recv(gras_socket_t sd, + char *data, + unsigned long int size); /*** *** Specific plugin part @@ -54,8 +56,8 @@ typedef struct { /*** *** Code ***/ -static xbt_error_t find_port(gras_hostdata_t *hd, int port, - gras_sg_portrec_t *hpd) { +static void find_port(gras_hostdata_t *hd, int port, + gras_sg_portrec_t *hpd) { int cpt; gras_sg_portrec_t pr; @@ -64,15 +66,15 @@ static xbt_error_t find_port(gras_hostdata_t *hd, int port, xbt_dynar_foreach(hd->ports, cpt, pr) { if (pr.port == port) { memcpy(hpd,&pr,sizeof(gras_sg_portrec_t)); - return no_error; + return; } } - return mismatch_error; + THROW1(mismatch_error,0,"Unable to find any portrec for port #%d",port); } -xbt_error_t -gras_trp_sg_setup(gras_trp_plugin_t *plug) { +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); @@ -82,151 +84,159 @@ gras_trp_sg_setup(gras_trp_plugin_t *plug) { plug->socket_server = gras_trp_sg_socket_server; plug->socket_close = gras_trp_sg_socket_close; - plug->chunk_send = gras_trp_sg_chunk_send; - plug->chunk_recv = gras_trp_sg_chunk_recv; + 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 */ - - return no_error; } -xbt_error_t gras_trp_sg_socket_client(gras_trp_plugin_t *self, - /* OUT */ gras_socket_t sock){ - - xbt_error_t errcode; +void gras_trp_sg_socket_client(gras_trp_plugin_t self, + /* OUT */ gras_socket_t sock){ + xbt_ex_t e; - m_host_t peer; + smx_host_t peer; gras_hostdata_t *hd; gras_trp_sg_sock_data_t *data; gras_sg_portrec_t pr; /* make sure this socket will reach someone */ - if (!(peer=MSG_get_host_by_name(sock->peer_name))) { - fprintf(stderr,"GRAS: can't connect to %s: no such host.\n",sock->peer_name); - return mismatch_error; - } - if (!(hd=(gras_hostdata_t *)MSG_host_get_data(peer))) { - RAISE1(mismatch_error, + 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; } - errcode = find_port(hd,sock->peer_port,&pr); - if (errcode != no_error && errcode != mismatch_error) - return errcode; - - if (errcode == mismatch_error) { - RAISE2(mismatch_error, - "can't connect to %s:%d, no process listen on this port", - sock->peer_name,sock->peer_port); - } if (pr.meas && !sock->meas) { - RAISE2(mismatch_error, + 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); + "in measurement mode on this port",sock->peer_name,sock->peer_port); } if (!pr.meas && sock->meas) { - RAISE2(mismatch_error, - "can't connect to %s:%d in meas mode, the process listen " + 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->from_PID = MSG_process_self_PID(); - data->to_PID = hd->proc[ pr.tochan ]; + data->from_process = SIMIX_process_self(); + data->to_process = pr.process; data->to_host = peer; - data->to_chan = pr.tochan; - + + /* 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; - DEBUG6("%s (PID %d) connects in %s mode to %s:%d (to_PID=%d)", - MSG_process_get_name(MSG_process_self()), MSG_process_self_PID(), - sock->meas?"meas":"regular", - sock->peer_name,sock->peer_port,data->to_PID); - - return no_error; + 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); } -xbt_error_t gras_trp_sg_socket_server(gras_trp_plugin_t *self, - gras_socket_t sock){ - - xbt_error_t errcode; +void gras_trp_sg_socket_server(gras_trp_plugin_t self, + gras_socket_t sock){ - gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); - gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_get("gras_trp"); + 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=MSG_host_get_name(MSG_host_self()); + 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 */ - - errcode = find_port(hd,sock->port,&pr); - switch (errcode) { - case no_error: /* Port already used... */ - RAISE2(mismatch_error, - "can't listen on address %s:%d: port already in use\n.", - host,sock->port); - break; - - case mismatch_error: /* Port not used so far. Do it */ - pr.tochan = sock->meas ? pd->measChan : pd->chan; - pr.port = sock->port; - pr.meas = sock->meas; - xbt_dynar_push(hd->ports,&pr); - break; - - default: - return errcode; + 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_PID = -1; - data->to_PID = MSG_process_self_PID(); - data->to_host = MSG_host_self(); - data->to_chan = pd->chan; + 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(); + sock->data = data; VERB6("'%s' (%d) ears on %s:%d%s (%p)", - MSG_process_get_name(MSG_process_self()), MSG_process_self_PID(), - host,sock->port,sock->meas? " (mode meas)":"",sock); + SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid(), + host,sock->port,sock->meas? " (mode meas)":"",sock); - return no_error; } void gras_trp_sg_socket_close(gras_socket_t sock){ - gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); + 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) + 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) { - /* server mode socket. Un register it from 'OS' tables */ + 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; + return; } } - WARN0("socket_close called on an unknown socket"); + WARN2("socket_close called on the unknown incoming socket %p (port=%d)", + sock,sock->port); } - XBT_OUT; + XBT_OUT; } typedef struct { @@ -234,149 +244,126 @@ typedef struct { void *data; } sg_task_data_t; -xbt_error_t gras_trp_sg_chunk_send(gras_socket_t sock, - const char *data, - long int size) { - m_task_t task=NULL; - static unsigned int count=0; +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); +} + +void gras_trp_sg_chunk_send_raw(gras_socket_t sock, + const char *data, + unsigned long int size) { 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; - - sprintf(name,"Chunk[%d]",count++); + static unsigned int count=0; - task_data=xbt_new(sg_task_data_t,1); - task_data->data=(void*)xbt_malloc(size); - task_data->size = size; - memcpy(task_data->data,data,size); + 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 */ - task=MSG_task_create(name,0,((double)size)/(1024.0*1024.0),task_data); + sock_data = (gras_trp_sg_sock_data_t *)sock->data; - DEBUG5("send chunk %s from %s to %s:%d (size=%ld)", - name, MSG_host_get_name(MSG_host_self()), - MSG_host_get_name(sock_data->to_host), sock_data->to_chan,size); - if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK) { - RAISE0(system_error,"Problem during the MSG_task_put"); + 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; } + - return no_error; -} + /* 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); -xbt_error_t gras_trp_sg_chunk_recv(gras_socket_t sock, - char *data, - long int size){ - gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_get("gras_trp"); - - m_task_t task=NULL; - sg_task_data_t *task_data; - gras_trp_sg_sock_data_t *sock_data = sock->data; - - XBT_IN; - DEBUG4("recv chunk on %s -> %s:%d (size=%ld)", - MSG_host_get_name(sock_data->to_host), - MSG_host_get_name(MSG_host_self()), sock_data->to_chan, size); - if (MSG_task_get(&task, (sock->meas ? pd->measChan : pd->chan)) != MSG_OK) - RAISE0(unknown_error,"Error in MSG_task_get()"); - DEBUG1("Got chuck %s",MSG_task_get_name(task)); - - task_data = MSG_task_get_data(task); - if (size != -1) { - if (task_data->size != size) - RAISE5(mismatch_error, - "Got %d bytes when %ld where expected (in %s->%s:%d)", - task_data->size, size, - MSG_host_get_name(sock_data->to_host), - MSG_host_get_name(MSG_host_self()), sock_data->to_chan); - memcpy(data,task_data->data,size); - } else { - /* damn, the size is embeeded at the begining of the chunk */ - int netsize; - - memcpy((char*)&netsize,task_data->data,4); - DEBUG1("netsize embeeded = %d",netsize); + /* put message on msg_queue */ + msg_remote_proc = (gras_msg_procdata_t) + gras_libdata_by_name_from_remote("gras_msg", sock_data->to_process); - memcpy(data,task_data->data,netsize+4); - } - free(task_data->data); - free(task_data); + 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)*/ - if (MSG_task_destroy(task) != MSG_OK) - RAISE0(unknown_error,"Error in MSG_task_destroy()"); + /* cleanup structures */ + SIMIX_action_destroy(act); - XBT_OUT; - return no_error; + SIMIX_mutex_unlock(sock_data->mutex); } -#if 0 -/* Data exchange over measurement sockets */ -xbt_error_t gras_socket_meas_exchange(gras_socket_t peer, - int sender, - unsigned int timeout, - unsigned long int expSize, - unsigned long int msgSize) { - unsigned int bytesTotal; - static unsigned int count=0; - m_task_t task=NULL; - char name[256]; - gras_trp_sg_sock_data_t *sock_data = (gras_trp_sg_sock_data_t *)peer->data; +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= NULL; + 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"); + xbt_queue_shift_timed(trp_proc->meas_selectable_sockets, + &remote_socket, 60); + + if (remote_socket == NULL) { + THROW0(timeout_error,0,"Timeout"); + } + + remote_sock_data = (gras_trp_sg_sock_data_t *)remote_socket->data; + msg_got = xbt_fifo_shift(msg_procdata->msg_to_receive_queue_meas); - gras_trp_procdata_t pd=(gras_trp_procdata_t)gras_libdata_get("gras_trp"); - double startTime; + 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_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); - startTime=gras_os_time(); /* used only in sender mode */ - - for(bytesTotal = 0; bytesTotal < expSize; bytesTotal += msgSize) { - - if (sender) { - - sprintf(name,"meas data[%d]",count++); - - task=MSG_task_create(name,0,((double)msgSize)/(1024.0*1024.0),NULL); - - DEBUG5("%f:%s: gras_socket_meas_send(%f %s -> %s) BEGIN", - gras_os_time(), MSG_process_get_name(MSG_process_self()), - ((double)msgSize)/(1024.0*1024.0), - MSG_host_get_name( MSG_host_self()), peer->peer_name); - - if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK) - RAISE0(system_error,"Problem during the MSG_task_put()"); - - DEBUG5("%f:%s: gras_socket_meas_send(%f %s -> %s) END", - gras_os_time(), MSG_process_get_name(MSG_process_self()), - ((double)msgSize)/(1024.0*1024.0), - MSG_host_get_name( MSG_host_self()), peer->peer_name); - - } else { /* we are receiver, simulate a select */ - - task=NULL; - DEBUG2("%f:%s: gras_socket_meas_recv() BEGIN\n", - gras_os_time(), MSG_process_get_name(MSG_process_self())); - do { - if (MSG_task_Iprobe((m_channel_t) pd->measChan)) { - if (MSG_task_get(&task, (m_channel_t) pd->measChan) != MSG_OK) { - fprintf(stderr,"GRAS: Error in MSG_task_get()\n"); - return unknown_error; - } - - if (MSG_task_destroy(task) != MSG_OK) { - fprintf(stderr,"GRAS: Error in MSG_task_destroy()\n"); - return unknown_error; - } - - DEBUG2("%f:%s: gras_socket_meas_recv() END\n", - gras_os_time(), MSG_process_get_name(MSG_process_self())); - break; - } else { - MSG_process_sleep(0.0001); - } - - } while (gras_os_time() - startTime < timeout); - - if (gras_os_time() - startTime > timeout) - return timeout_error; - } /* receiver part */ - } /* foreach msg */ - - return no_error; + if (msg_got->payl) + xbt_free(msg_got->payl); + + xbt_free(msg_got); + SIMIX_mutex_unlock(remote_sock_data->mutex); + return 0; } -#endif +