X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2f02d5fdd1af4cc2f9eaf3c6456c822616c1cb15..ba773d1d2583d6907c3f28ea0c7fa035524cae87:/src/gras/Msg/rl_msg.c diff --git a/src/gras/Msg/rl_msg.c b/src/gras/Msg/rl_msg.c index 50cf748a94..d19d7bb028 100644 --- a/src/gras/Msg/rl_msg.c +++ b/src/gras/Msg/rl_msg.c @@ -1,164 +1,209 @@ -/* $Id$ */ - /* messaging - Function related to messaging code specific to RL */ -/* Copyright (c) 2003-2005 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2005, 2006, 2007, 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* 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/datadesc.h" +#include "xbt/datadesc/datadesc_interface.h" +#include "xbt/socket.h" #include "gras/Msg/msg_private.h" +#include "gras/Transport/transport_interface.h" + +XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_msg); + +void gras_msg_recv(xbt_socket_t sock, gras_msg_t msg); -#include "gras/DataDesc/datadesc_interface.h" -#include "gras/Transport/transport_interface.h" /* gras_trp_send/recv */ +gras_msg_t gras_msg_recv_any(void) +{ + gras_msg_t msg = xbt_new0(s_gras_msg_t, 1); + msg->expe = gras_trp_select(-1); + XBT_DEBUG("Select returned something"); + gras_msg_recv(msg->expe, msg); + return msg; +} -XBT_LOG_EXTERNAL_CATEGORY(gras_msg); -XBT_LOG_DEFAULT_CATEGORY(gras_msg); +void gras_msg_send_ext(xbt_socket_t sock, + e_gras_msg_kind_t kind, + unsigned long int ID, + gras_msgtype_t msgtype, void *payload) +{ -void gras_msg_send_ext(gras_socket_t sock, - e_gras_msg_kind_t kind, - unsigned long int ID, - gras_msgtype_t msgtype, - void *payload) { + static xbt_datadesc_type_t string_type = NULL; + static xbt_datadesc_type_t ulong_type = NULL; + char c_kind = (char) kind; - static gras_datadesc_type_t string_type=NULL; - static gras_datadesc_type_t ulong_type=NULL; - char c_kind=(char)kind; - - xbt_assert0(msgtype,"Cannot send the NULL message"); + xbt_assert(msgtype, "Cannot send the NULL message"); if (!string_type) { - string_type = gras_datadesc_by_name("string"); + string_type = xbt_datadesc_by_name("string"); xbt_assert(string_type); } if (!ulong_type) { - ulong_type = gras_datadesc_by_name("unsigned long int"); + ulong_type = xbt_datadesc_by_name("unsigned long int"); xbt_assert(ulong_type); } - DEBUG3("send '%s' to %s:%d", msgtype->name, - gras_socket_peer_name(sock),gras_socket_peer_port(sock)); - gras_trp_send(sock, _GRAS_header, 6, 1 /* stable */); - gras_trp_send(sock, &c_kind, 1, 1 /* stable */); + XBT_DEBUG("send '%s' to %s:%d", msgtype->name, + xbt_socket_peer_name(sock), xbt_socket_peer_port(sock)); + xbt_trp_send(sock, _GRAS_header, 6, 1 /* stable */ ); + xbt_trp_send(sock, &c_kind, 1, 1 /* stable */ ); switch (kind) { - case e_gras_msg_kind_oneway: - break; - - case e_gras_msg_kind_rpccall: - case e_gras_msg_kind_rpcanswer: - case e_gras_msg_kind_rpcerror: - gras_datadesc_send(sock,ulong_type,&ID); - break; - - default: - THROW1(unknown_error,0,"Unknown msg kind %d",kind); + case e_gras_msg_kind_oneway: + break; + + case e_gras_msg_kind_rpccall: + case e_gras_msg_kind_rpcanswer: + case e_gras_msg_kind_rpcerror: + xbt_datadesc_send(sock, ulong_type, &ID); + break; + + default: + THROWF(unknown_error, 0, "Unknown msg kind %d", (int)kind); } - - gras_datadesc_send(sock, string_type, &msgtype->name); + + xbt_datadesc_send(sock, string_type, &msgtype->name); if (kind == e_gras_msg_kind_rpcerror) { - /* error on remote host, carfull, payload is an exception */ - gras_datadesc_send(sock, gras_datadesc_by_name("ex_t"),payload); + /* error on remote host, carfull, payload is an exception */ + xbt_datadesc_send(sock, xbt_datadesc_by_name("ex_t"), payload); + } else if (kind == e_gras_msg_kind_rpcanswer) { + if (msgtype->answer_type) + xbt_datadesc_send(sock, msgtype->answer_type, payload); } else { - /* regular message */ - if (msgtype->ctn_type) - gras_datadesc_send(sock, msgtype->ctn_type, payload); + /* regular message */ + if (msgtype->ctn_type) + xbt_datadesc_send(sock, msgtype->ctn_type, payload); } - - gras_trp_flush(sock); + + xbt_trp_flush(sock); } +const char *hexa_str(unsigned char *data, int size, int downside); + + /* - * receive the next message on the given socket. + * receive the next message on the given socket. */ -void -gras_msg_recv(gras_socket_t sock, - gras_msg_t msg) { +void gras_msg_recv(xbt_socket_t sock, gras_msg_t msg) +{ xbt_ex_t e; - static gras_datadesc_type_t string_type=NULL; - static gras_datadesc_type_t ulong_type=NULL; + static xbt_datadesc_type_t string_type = NULL; + static xbt_datadesc_type_t ulong_type = NULL; char header[6]; int cpt; int r_arch; - char *msg_name=NULL; + char *msg_name = NULL; char c_kind; - xbt_assert1(!gras_socket_is_meas(sock), - "Asked to receive a message on the measurement socket %p", sock); + xbt_assert(!xbt_socket_is_meas(sock), + "Asked to receive a message on the measurement socket %p", + sock); if (!string_type) { - string_type=gras_datadesc_by_name("string"); + string_type = xbt_datadesc_by_name("string"); xbt_assert(string_type); } if (!ulong_type) { - ulong_type = gras_datadesc_by_name("unsigned long int"); + ulong_type = xbt_datadesc_by_name("unsigned long int"); xbt_assert(ulong_type); } - + TRY { - gras_trp_recv(sock, header, 6); - gras_trp_recv(sock, &c_kind, 1); - msg->kind=(e_gras_msg_kind_t)c_kind; - } CATCH(e) { - RETHROW0("Exception caught while trying to get the mesage header: %s"); + xbt_trp_recv(sock, header, 6); + xbt_trp_recv(sock, &c_kind, 1); + msg->kind = (e_gras_msg_kind_t) c_kind; + } + CATCH_ANONYMOUS { + RETHROWF + ("Exception caught while trying to get the message header: %s"); } - for (cpt=0; cpt<4; cpt++) + for (cpt = 0; cpt < 4; cpt++) if (header[cpt] != _GRAS_header[cpt]) - THROW2(mismatch_error,0, - "Incoming bytes do not look like a GRAS message (header='%.4s' not '%.4s')", - header,_GRAS_header); - if (header[4] != _GRAS_header[4]) - THROW2(mismatch_error,0,"GRAS protocol mismatch (got %d, use %d)", - (int)header[4], (int)_GRAS_header[4]); - r_arch = (int)header[5]; - DEBUG2("Handle an incoming message using protocol %d (remote is %s)", - (int)header[4],gras_datadesc_arch_name(r_arch)); + THROWF(mismatch_error, 0, + "Incoming bytes do not look like a GRAS message (header='%s' not '%.4s')", + hexa_str((unsigned char *) header, 4, 0), _GRAS_header); + if (header[4] != _GRAS_header[4]) + THROWF(mismatch_error, 0, "GRAS protocol mismatch (got %d, use %d)", + (int) header[4], (int) _GRAS_header[4]); + r_arch = (int) header[5]; switch (msg->kind) { - case e_gras_msg_kind_oneway: + case e_gras_msg_kind_oneway: break; - + case e_gras_msg_kind_rpccall: case e_gras_msg_kind_rpcanswer: case e_gras_msg_kind_rpcerror: - gras_datadesc_recv(sock,ulong_type,r_arch, &msg->ID); + xbt_datadesc_recv(sock, ulong_type, r_arch, &msg->ID); break; - + default: THROW_IMPOSSIBLE; } - gras_datadesc_recv(sock, string_type, r_arch, &msg_name); + xbt_datadesc_recv(sock, string_type, r_arch, &msg_name); + XBT_DEBUG + ("Handle an incoming message '%s' (%s) using protocol %d (remote is %s)", + msg_name, e_gras_msg_kind_names[msg->kind], (int) header[4], + xbt_datadesc_arch_name(r_arch)); + TRY { - msg->type = (gras_msgtype_t)xbt_set_get_by_name(_gras_msgtype_set,msg_name); - } CATCH(e) { + msg->type = + (gras_msgtype_t) xbt_set_get_by_name(_gras_msgtype_set, msg_name); + } + CATCH(e) { /* FIXME: Survive unknown messages */ - RETHROW1("Exception caught while retrieving the type associated to messages '%s' : %s", - msg_name); + if (e.category == not_found_error) { + xbt_ex_free(e); + THROWF(not_found_error, 0, + "Received an unknown message: %s (FIXME: should survive to these)", + msg_name); + } else + RETHROWF + ("Exception caught while retrieving the type associated to messages '%s' : %s", + msg_name); } free(msg_name); if (msg->kind == e_gras_msg_kind_rpcerror) { /* error on remote host. Carfull with that exception, eugene */ - msg->payl_size=gras_datadesc_size(gras_datadesc_by_name("ex_t")); - msg->payl=xbt_malloc(msg->payl_size); - gras_datadesc_recv(sock, gras_datadesc_by_name("ex_t"), r_arch, msg->payl); - + msg->payl_size = xbt_datadesc_size(xbt_datadesc_by_name("ex_t")); + msg->payl = xbt_malloc(msg->payl_size); + xbt_datadesc_recv(sock, xbt_datadesc_by_name("ex_t"), r_arch, + msg->payl); + + } else if (msg->kind == e_gras_msg_kind_rpcanswer) { + /* answer to RPC */ + if (msg->type->answer_type) { + msg->payl_size = xbt_datadesc_size(msg->type->answer_type); + xbt_assert(msg->payl_size > 0, + "%s %s", + "Dynamic array as payload is forbided for now (FIXME?).", + "Reference to dynamic array is allowed."); + msg->payl = xbt_malloc(msg->payl_size); + xbt_datadesc_recv(sock, msg->type->answer_type, r_arch, msg->payl); + } else { + msg->payl = NULL; + msg->payl_size = 0; + } } else { - /* regular message */ - if (msg->type->ctn_type) { - msg->payl_size=gras_datadesc_size(msg->type->ctn_type); - xbt_assert2(msg->payl_size > 0, - "%s %s", - "Dynamic array as payload is forbided for now (FIXME?).", - "Reference to dynamic array is allowed."); - msg->payl = xbt_malloc(msg->payl_size); - gras_datadesc_recv(sock, msg->type->ctn_type, r_arch, msg->payl); - } else { - msg->payl = NULL; - msg->payl_size = 0; - } + /* regular message */ + if (msg->type->ctn_type) { + msg->payl_size = xbt_datadesc_size(msg->type->ctn_type); + xbt_assert(msg->payl_size > 0, + "%s %s", + "Dynamic array as payload is forbided for now (FIXME?).", + "Reference to dynamic array is allowed."); + msg->payl = xbt_malloc(msg->payl_size); + xbt_datadesc_recv(sock, msg->type->ctn_type, r_arch, msg->payl); + } else { + msg->payl = NULL; + msg->payl_size = 0; + } } }