-/* $Id$ */
-
/* File transport - send/receive a bunch of bytes from a file */
-/* Copyright (c) 2004 Martin Quinson. All rights reserved. */
+/* Copyright (c) 2004, 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 "portable.h"
#include "gras/Transport/transport_private.h"
#include "xbt/ex.h"
-#include "gras/Msg/msg_interface.h" /* gras_msg_listener_awake */
+#include "gras/Msg/msg_interface.h" /* gras_msg_listener_awake */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp_file,gras_trp,
- "Pseudo-transport to write to/read from a file");
+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);
+ 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);
+ char *data, unsigned long int size);
/***
*** Specific plugin part
/***
*** Code
***/
-void
-gras_trp_file_setup(gras_trp_plugin_t plug) {
+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);
+ gras_trp_file_plug_data_t *file = xbt_new(gras_trp_file_plug_data_t, 1);
FD_ZERO(&(file->incoming_socks));
plug->raw_recv = plug->recv = gras_trp_file_chunk_recv;
- plug->data = (void*)file;
+ plug->data = (void *) file;
}
/**
*
* This only possible in RL, and is mainly for debugging.
*/
-gras_socket_t
-gras_socket_client_from_file(const char*path) {
+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");
+ xbt_assert0(gras_if_RL(), "Cannot use file as socket in the simulator");
- gras_trp_socket_new(0,&res);
+ gras_trp_socket_new(0, &res);
- res->plugin=gras_trp_plugin_get_by_name("file");
+ res->plugin = gras_trp_plugin_get_by_name("file");
if (strcmp("-", path)) {
- res->sd = open(path, O_TRUNC|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));
+ res->sd =
+ open(path, O_TRUNC | 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->sd = 1; /* stdout */
}
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');
+ path,
+ res->sd,
+ res->incoming ? 'y' : 'n',
+ res->outgoing ? 'y' : 'n', res->accepting ? 'y' : 'n');
xbt_dynar_push(((gras_trp_procdata_t)
- gras_libdata_by_id(gras_trp_libdata_id))->sockets,&res);
+ gras_libdata_by_id(gras_trp_libdata_id))->sockets, &res);
return res;
}
*
* This only possible in RL, and is mainly for debugging.
*/
-gras_socket_t gras_socket_server_from_file(const char*path) {
+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");
+ xbt_assert0(gras_if_RL(), "Cannot use file as socket in the simulator");
- gras_trp_socket_new(1,&res);
+ gras_trp_socket_new(1, &res);
- res->plugin=gras_trp_plugin_get_by_name("file");
+ 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));
+ 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 */
+ 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->sd,
+ res->incoming ? 'y' : 'n',
+ res->outgoing ? 'y' : 'n', res->accepting ? 'y' : 'n');
xbt_dynar_push(((gras_trp_procdata_t)
- gras_libdata_by_id(gras_trp_libdata_id))->sockets,&res);
+ gras_libdata_by_id(gras_trp_libdata_id))->sockets, &res);
gras_msg_listener_awake();
return res;
}
-void gras_trp_file_close(gras_socket_t sock){
+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)
+ return; /* close only once */
+ data = sock->plugin->data;
if (sock->sd == 0) {
DEBUG0("Do not close stdin");
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));
+ if (close(sock->sd) < 0) {
+ WARN2("error while closing file %d: %s", sock->sd, strerror(errno));
}
}
}
*/
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);
+ 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) {
+ 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);
+ 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));
+ THROW4(system_error, 0, "write(%d,%p,%d) failed: %s",
+ sock->sd, data, (int) size, strerror(errno));
}
if (status) {
- size -= status;
- data += status;
+ size -= status;
+ data += status;
} else {
- THROW0(system_error,0,"file descriptor closed");
+ THROW0(system_error, 0, "file descriptor closed");
}
}
}
+
/**
* gras_trp_file_chunk_recv:
*
*/
int
gras_trp_file_chunk_recv(gras_socket_t sock,
- char *data,
- unsigned long int size) {
+ char *data, unsigned long int size)
+{
int got = 0;
xbt_assert0(size >= 0, "Cannot receive a negative amount of data");
if (sock->recvd) {
- data[0] = sock->recvd_val;
- sock->recvd = 0;
- got++;
- size--;
+ data[0] = sock->recvd_val;
+ sock->recvd = 0;
+ got++;
+ size--;
}
while (size) {
int status = 0;
- status = read(sock->sd, data+got, (long int)size);
- DEBUG3("read(%d, %p, %ld);", sock->sd, data+got, size);
+ status = read(sock->sd, data + got, (long int) size);
+ DEBUG3("read(%d, %p, %ld);", sock->sd, data + got, size);
if (status < 0) {
- THROW4(system_error,0,"read(%d,%p,%d) failed: %s",
- sock->sd, data+got, (int)size,
- strerror(errno));
+ THROW4(system_error, 0, "read(%d,%p,%d) failed: %s",
+ sock->sd, data + got, (int) size, strerror(errno));
}
if (status) {
- size -= status;
- got += status;
+ size -= status;
+ got += status;
} else {
- THROW1(system_error,errno,"file descriptor closed after %d bytes",got);
+ THROW1(system_error, errno, "file descriptor closed after %d bytes",
+ got);
}
}
return got;
}
-