X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0fb3fc9b633724644a4528871430c7e4e7555e2b..3e6198594720a26230708e18265ad47f8788d421:/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 27790588a2..6cd4396cb4 100644 --- a/src/gras/Transport/transport_plugin_sg.c +++ b/src/gras/Transport/transport_plugin_sg.c @@ -12,112 +12,301 @@ /* 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 + #include "gras_private.h" #include "transport_private.h" +#include "Virtu/virtu_sg.h" GRAS_LOG_EXTERNAL_CATEGORY(transport); GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(trp_sg,transport); - /*** *** Prototypes ***/ -void gras_trp_sg_exit(gras_trp_plugin_t *plugin); -gras_error_t gras_trp_sg_socket_client(const char *host, +/* retrieve the port record associated to a numerical port on an host */ +static gras_error_t find_port(gras_hostdata_t *hd, int port, + gras_sg_portrec_t *hpd); + + +gras_error_t gras_trp_sg_socket_client(gras_trp_plugin_t *self, + const char *host, + unsigned short port, + /* OUT */ gras_socket_t *sock); +gras_error_t gras_trp_sg_socket_server(gras_trp_plugin_t *self, unsigned short port, - int raw, - unsigned int bufSize, - /* OUT */ gras_socket_t **dst); -gras_error_t gras_trp_sg_socket_server(unsigned short port, - int raw, - unsigned int bufSize, - /* OUT */ gras_socket_t **dst); -void gras_trp_sg_socket_close(gras_socket_t **sd); -gras_error_t gras_trp_sg_select(double timeOut, - gras_socket_t **sd); - -gras_error_t gras_trp_sg_bloc_send(gras_socket_t *sd, - void *data, - size_t size, - double timeOut); - -gras_error_t gras_trp_sg_bloc_recv(gras_socket_t *sd, - void *data, - size_t size, - double timeOut); -gras_error_t gras_trp_sg_flush(gras_socket_t *sd); + /* OUT */ gras_socket_t *sock); +void gras_trp_sg_socket_close(gras_socket_t *sd); + +gras_error_t gras_trp_sg_chunk_send(gras_socket_t *sd, + char *data, + size_t size); + +gras_error_t gras_trp_sg_chunk_recv(gras_socket_t *sd, + char *data, + size_t size); + +/* FIXME + gras_error_t gras_trp_sg_flush(gras_socket_t *sd); +*/ /*** *** Specific plugin part ***/ typedef struct { - int dummy; -} gras_trp_sg_specific_t; + int placeholder; /* nothing plugin specific so far */ +} gras_trp_sg_plug_data_t; -/*** - *** Specific socket part - ***/ /*** *** Code ***/ +static gras_error_t find_port(gras_hostdata_t *hd, int port, + gras_sg_portrec_t *hpd) { + int cpt; + gras_sg_portrec_t pr; + + gras_assert0(hd,"Please run gras_process_init on each process"); + + gras_dynar_foreach(hd->ports, cpt, pr) { + if (pr.port == port) { + memcpy(hpd,&pr,sizeof(gras_sg_portrec_t)); + return no_error; + } + } + return mismatch_error; +} + gras_error_t -gras_trp_sg_init(gras_trp_plugin_t **dst) { +gras_trp_sg_setup(gras_trp_plugin_t *plug) { + + gras_trp_sg_plug_data_t *data=malloc(sizeof(gras_trp_sg_plug_data_t)); - gras_trp_sg_specific_t *specific = malloc(sizeof(gras_trp_sg_specific_t)); - if (!specific) + if (!data) RAISE_MALLOC; + plug->data = data; + + 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->chunk_send = gras_trp_sg_chunk_send; + plug->chunk_recv = gras_trp_sg_chunk_recv; + + return no_error; } -void -gras_trp_sg_exit(gras_trp_plugin_t *plugin) { - gras_trp_sg_specific_t *specific = (gras_trp_sg_specific_t*)plugin->specific; - free(specific); +gras_error_t gras_trp_sg_socket_client(gras_trp_plugin_t *self, + const char *host, + unsigned short port, + /* OUT */ gras_socket_t *sock){ + + gras_error_t errcode; + + m_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(host))) { + fprintf(stderr,"GRAS: can't connect to %s: no such host.\n",host); + return mismatch_error; + } + if (!(hd=(gras_hostdata_t *)MSG_host_get_data(peer))) { + RAISE1(mismatch_error, + "can't connect to %s: no process on this host", + host); + } + errcode = find_port(hd,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", + host,port); + } + + if (pr.raw && !sock->raw) { + RAISE2(mismatch_error, + "can't connect to %s:%d in regular mode, the process listen " + "in raw mode on this port",host,port); + } + if (!pr.raw && sock->raw) { + RAISE2(mismatch_error, + "can't connect to %s:%d in raw mode, the process listen " + "in regular mode on this port",host,port); + } + + /* create the socket */ + if (!(data = malloc(sizeof(gras_trp_sg_sock_data_t)))) + RAISE_MALLOC; + + data->from_PID = MSG_process_self_PID(); + data->to_PID = hd->proc[ pr.tochan ]; + data->to_host = peer; + data->to_chan = pr.tochan; + + 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->raw?"RAW":"regular",host,port,data->to_PID); + + return no_error; } -gras_error_t gras_trp_sg_socket_client(const char *host, +gras_error_t gras_trp_sg_socket_server(gras_trp_plugin_t *self, unsigned short port, - int raw, - unsigned int bufSize, - /* OUT */ gras_socket_t **dst){ - RAISE_UNIMPLEMENTED; -} + gras_socket_t *sock){ -gras_error_t gras_trp_sg_socket_server(unsigned short port, - int raw, - unsigned int bufSize, - /* OUT */ gras_socket_t **dst){ - RAISE_UNIMPLEMENTED; -} + gras_error_t errcode; + + gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); + gras_procdata_t *pd=gras_procdata_get(); + gras_sg_portrec_t pr; + gras_trp_sg_sock_data_t *data; + + const char *host=MSG_host_get_name(MSG_host_self()); + + gras_assert0(hd,"Please run gras_process_init on each process"); + + sock->accepting = 0; /* no such nuisance in SG */ + + errcode = find_port(hd,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,port); + + case mismatch_error: /* Port not used so far. Do it */ + pr.tochan = sock->raw ? pd->rawChan : pd->chan; + pr.port = port; + pr.raw = sock->raw; + TRY(gras_dynar_push(hd->ports,&pr)); + + default: + return errcode; + } + + /* Create the socket */ + if (!(data = malloc(sizeof(gras_trp_sg_sock_data_t)))) + RAISE_MALLOC; + + data->from_PID = -1; + data->to_PID = MSG_process_self_PID(); + data->to_host = MSG_host_self(); + data->to_chan = pd->chan; + + sock->data = data; + + INFO6("'%s' (%d) ears on %s:%d%s (%p)", + MSG_process_get_name(MSG_process_self()), MSG_process_self_PID(), + host,port,sock->raw? " (mode RAW)":"",*sock); -void gras_trp_sg_socket_close(gras_socket_t **sd){ - ERROR1("%s not implemented",__FUNCTION__); - abort(); + return no_error; } -gras_error_t gras_trp_sg_select(double timeOut, - gras_socket_t **sd){ - RAISE_UNIMPLEMENTED; +void gras_trp_sg_socket_close(gras_socket_t *sock){ + gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self()); + int cpt; + + gras_sg_portrec_t pr; + + if (!sock) return; + gras_assert0(hd,"Please run gras_process_init on each process"); + + if (sock->data) + free(sock->data); + + if (sock->incoming) { + /* server mode socket. Un register it from 'OS' tables */ + gras_dynar_foreach(hd->ports, cpt, pr) { + DEBUG2("Check pr %d of %d", cpt, gras_dynar_length(hd->ports)); + if (pr.port == sock->port) { + gras_dynar_cursor_rm(hd->ports, &cpt); + return; + } + } + WARN0("socket_close called on an unknown socket"); + } } + +typedef struct { + int size; + void *data; +} sg_task_data_t; + +gras_error_t gras_trp_sg_chunk_send(gras_socket_t *sock, + char *data, + size_t size) { + m_task_t task=NULL; + static unsigned int count=0; + char name[256]; + gras_trp_sg_sock_data_t *sock_data; + sg_task_data_t *task_data; -gras_error_t gras_trp_sg_bloc_send(gras_socket_t *sd, - void *data, - size_t size, - double timeOut){ - RAISE_UNIMPLEMENTED; + sock_data = (gras_trp_sg_sock_data_t *)sock->data; + + sprintf(name,"Chunk[%d]",count++); + + if (!(task_data=malloc(sizeof(sg_task_data_t)))) + RAISE_MALLOC; + if (!(task_data->data=malloc(size))) + RAISE_MALLOC; + task_data->size = size; + memcpy(task_data->data,data,size); + + task=MSG_task_create(name,0,((double)size)/(1024.0*1024.0),task_data); + + DEBUG4("send chunk %s from %s to %s on channel %d", + name, MSG_host_get_name(MSG_host_self()), + MSG_host_get_name(sock_data->to_host), sock_data->to_chan); + if (MSG_task_put(task, sock_data->to_host,sock_data->to_chan) != MSG_OK) { + RAISE0(system_error,"Problem during the MSG_task_put"); + } + + return no_error; } -gras_error_t gras_trp_sg_bloc_recv(gras_socket_t *sd, - void *data, - size_t size, - double timeOut){ - RAISE_UNIMPLEMENTED; +gras_error_t gras_trp_sg_chunk_recv(gras_socket_t *sock, + char *data, + size_t size){ + gras_procdata_t *pd=gras_procdata_get(); + + m_task_t task=NULL; + sg_task_data_t *task_data; + gras_trp_sg_sock_data_t *sock_data = sock->data; + + DEBUG3("recv chunk on %s from %s on channel %d", + MSG_host_get_name(MSG_host_self()), + MSG_host_get_name(sock_data->to_host), sock_data->to_chan); + if (MSG_task_get(&task, (sock->raw ? pd->rawChan : pd->chan)) != MSG_OK) + RAISE0(unknown_error,"Error in MSG_task_get()"); + + task_data = MSG_task_get_data(task); + gras_assert2(task_data->size == size, + "Got %d bytes when %d where expected", + task_data->size, size); + memcpy(data,task_data->data,size); + free(task_data->data); + free(task_data); + + if (MSG_task_destroy(task) != MSG_OK) + RAISE0(unknown_error,"Error in MSG_task_destroy()"); + + return no_error; } +/*FIXME + gras_error_t gras_trp_sg_flush(gras_socket_t *sd){ RAISE_UNIMPLEMENTED; } - +*/