X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ae66e43b95b26467c1cb9df271e83f51d3d7147b..187ba0c05f9fbe51175179b9f637b6554f947468:/src/gras/Transport/transport_plugin_file.c diff --git a/src/gras/Transport/transport_plugin_file.c b/src/gras/Transport/transport_plugin_file.c deleted file mode 100644 index a09864ed16..0000000000 --- a/src/gras/Transport/transport_plugin_file.c +++ /dev/null @@ -1,250 +0,0 @@ -/* $Id$ */ - -/* File transport - send/receive a bunch of bytes from a file */ - -/* Copyright (c) 2004 Martin Quinson. 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 "portable.h" -#include "gras/Transport/transport_private.h" -#include "xbt/ex.h" - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_file,gras_trp, - "Pseudo-transport to write to/read from a file"); - -/*** - *** Prototypes - ***/ -void gras_trp_file_close(gras_socket_t sd); - -void gras_trp_file_chunk_send_raw(gras_socket_t sd, - const char *data, - unsigned long int size); -void gras_trp_file_chunk_send(gras_socket_t sd, - const char *data, - unsigned long int size, - int stable_ignored); - -int gras_trp_file_chunk_recv(gras_socket_t sd, - char *data, - unsigned long int size); - -/*** - *** Specific plugin part - ***/ - -typedef struct { - fd_set incoming_socks; -} gras_trp_file_plug_data_t; - -/*** - *** Specific socket part - ***/ - - - -/*** - *** Code - ***/ -void -gras_trp_file_setup(gras_trp_plugin_t plug) { - - gras_trp_file_plug_data_t *file = xbt_new(gras_trp_file_plug_data_t,1); - - FD_ZERO(&(file->incoming_socks)); - - plug->socket_close = gras_trp_file_close; - - plug->raw_send = gras_trp_file_chunk_send_raw; - plug->send = gras_trp_file_chunk_send; - - plug->raw_recv = plug->recv = gras_trp_file_chunk_recv; - - plug->data = (void*)file; -} - -/** - * gras_socket_client_from_file: - * - * Create a client socket from a file path. - * - * This only possible in RL, and is mainly for debugging. - */ -gras_socket_t -gras_socket_client_from_file(const char*path) { - gras_socket_t res; - - xbt_assert0(gras_if_RL(), - "Cannot use file as socket in the simulator"); - - gras_trp_socket_new(0,&res); - - res->plugin=gras_trp_plugin_get_by_name("file"); - - if (strcmp("-", path)) { - res->sd = open(path, O_WRONLY|O_CREAT | O_BINARY, S_IRUSR|S_IWUSR|S_IRGRP ); - - if ( res->sd < 0) { - THROW2(system_error,0, - "Cannot create a client socket from file %s: %s", - path, strerror(errno)); - } - } else { - res->sd = 1; /* stdout */ - } - - res->recv_ok=0; - DEBUG5("sock_client_from_file(%s): sd=%d in=%c out=%c accept=%c", - path, - res->sd, - res->incoming?'y':'n', - res->outgoing?'y':'n', - res->accepting?'y':'n'); - - return res; -} - -/** - * gras_socket_server_from_file: - * - * Create a server socket from a file path. - * - * This only possible in RL, and is mainly for debugging. - */ -gras_socket_t gras_socket_server_from_file(const char*path) { - gras_socket_t res; - - xbt_assert0(gras_if_RL(), - "Cannot use file as socket in the simulator"); - - gras_trp_socket_new(1,&res); - - res->plugin=gras_trp_plugin_get_by_name("file"); - - - if (strcmp("-", path)) { - res->sd = open(path, O_RDONLY | O_BINARY); - - if ( res->sd < 0) { - THROW2(system_error,0, - "Cannot create a server socket from file %s: %s", - path, strerror(errno)); - } - } else { - res->sd = 0; /* stdin */ - } - - DEBUG4("sd=%d in=%c out=%c accept=%c", - res->sd, - res->incoming?'y':'n', - res->outgoing?'y':'n', - res->accepting?'y':'n'); - - res->recv_ok=0; - return res; -} - -void gras_trp_file_close(gras_socket_t sock){ - gras_trp_file_plug_data_t *data; - - if (!sock) return; /* close only once */ - data=sock->plugin->data; - - if (sock->sd == 0) { - DEBUG0("Do not close stdin"); - } else if (sock->sd == 1) { - DEBUG0("Do not close stdout"); - } else { - DEBUG1("close file connection %d", sock->sd); - - /* forget about the socket */ - FD_CLR(sock->sd, &(data->incoming_socks)); - - /* close the socket */ - if(close(sock->sd) < 0) { - WARN2("error while closing file %d: %s", - sock->sd, strerror(errno)); - } - } -} - -/** - * gras_trp_file_chunk_send: - * - * Send data on a file pseudo-socket - */ -void -gras_trp_file_chunk_send(gras_socket_t sock, - const char *data, - unsigned long int size, - int stable_ignored) { - gras_trp_file_chunk_send_raw(sock,data,size); -} -void -gras_trp_file_chunk_send_raw(gras_socket_t sock, - const char *data, - unsigned long int size) { - - xbt_assert0(sock->outgoing, "Cannot write on client file socket"); - xbt_assert0(size >= 0, "Cannot send a negative amount of data"); - - while (size) { - int status = 0; - - DEBUG3("write(%d, %p, %ld);", sock->sd, data, (long int)size); - status = write(sock->sd, data, (long int)size); - - if (status == -1) { - THROW4(system_error,0,"write(%d,%p,%d) failed: %s", - sock->sd, data, (int)size, - strerror(errno)); - } - - if (status) { - size -= status; - data += status; - } else { - THROW0(system_error,0,"file descriptor closed"); - } - } -} -/** - * gras_trp_file_chunk_recv: - * - * Receive data on a file pseudo-socket. - */ -int -gras_trp_file_chunk_recv(gras_socket_t sock, - char *data, - unsigned long int size) { - - int got = 0; - - xbt_assert0(sock, "Cannot recv on an NULL socket"); - xbt_assert0(sock->incoming, "Cannot recv on client file socket"); - xbt_assert0(size >= 0, "Cannot receive a negative amount of data"); - - while (size) { - int status = 0; - - status = read(sock->sd, data+got, (long int)size); - DEBUG3("read(%d, %p, %ld);", sock->sd, data+got, size); - - if (status == -1) { - THROW4(system_error,0,"read(%d,%p,%d) failed: %s", - sock->sd, data+got, (int)size, - strerror(errno)); - } - - if (status) { - size -= status; - got += status; - } else { - THROW0(system_error,0,"file descriptor closed"); - } - } - return got; -} -