/* transport - low level communication */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2004 Martin Quinson. */
+/* 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. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+#include "portable.h"
#include "gras/Transport/transport_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(transport,gras,"Conveying bytes over the network");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(transport,gras,"Conveying bytes over the network");
+XBT_LOG_NEW_SUBCATEGORY(raw_trp,transport,"Conveying bytes over the network without formating");
+static short int _gras_trp_started = 0;
-static gras_dict_t *_gras_trp_plugins; /* All registered plugins */
+static xbt_dict_t _gras_trp_plugins; /* All registered plugins */
static void gras_trp_plugin_free(void *p); /* free one of the plugins */
-static void gras_trp_socket_free(void *s); /* free one socket */
-
static void
gras_trp_plugin_new(const char *name, gras_trp_setup_t setup) {
- gras_error_t errcode;
+ xbt_error_t errcode;
- gras_trp_plugin_t *plug = gras_new0(gras_trp_plugin_t, 1);
+ gras_trp_plugin_t *plug = xbt_new0(gras_trp_plugin_t, 1);
DEBUG1("Create plugin %s",name);
- plug->name=gras_strdup(name);
+ plug->name=xbt_strdup(name);
errcode = setup(plug);
switch (errcode) {
case mismatch_error:
/* SG plugin return mismatch when in RL mode (and vice versa) */
- gras_free(plug->name);
- gras_free(plug);
+ xbt_free(plug->name);
+ xbt_free(plug);
break;
case no_error:
- gras_dict_set(_gras_trp_plugins,
+ xbt_dict_set(_gras_trp_plugins,
name, plug, gras_trp_plugin_free);
break;
}
-void
-gras_trp_init(void){
-
- /* make room for all plugins */
- gras_dict_new(&_gras_trp_plugins);
-
- /* Add them */
- gras_trp_plugin_new("tcp", gras_trp_tcp_setup);
- gras_trp_plugin_new("file",gras_trp_file_setup);
- gras_trp_plugin_new("sg",gras_trp_sg_setup);
-
- /* buf is composed, so it must come after the others */
- gras_trp_plugin_new("buf", gras_trp_buf_setup);
+void gras_trp_init(void){
+ if (!_gras_trp_started) {
+ /* make room for all plugins */
+ _gras_trp_plugins=xbt_dict_new();
+
+#ifdef HAVE_WINSOCK2_H
+ /* initialize the windows mecanism */
+ {
+ WORD wVersionRequested;
+ WSADATA wsaData;
+
+ wVersionRequested = MAKEWORD( 2, 0 );
+ xbt_assert0(WSAStartup( wVersionRequested, &wsaData ) == 0,
+ "Cannot find a usable WinSock DLL");
+
+ /* Confirm that the WinSock DLL supports 2.0.*/
+ /* Note that if the DLL supports versions greater */
+ /* than 2.0 in addition to 2.0, it will still return */
+ /* 2.0 in wVersion since that is the version we */
+ /* requested. */
+
+ xbt_assert0(LOBYTE( wsaData.wVersion ) == 2 &&
+ HIBYTE( wsaData.wVersion ) == 0,
+ "Cannot find a usable WinSock DLL");
+ INFO0("Found and initialized winsock2");
+ } /* The WinSock DLL is acceptable. Proceed. */
+#elif HAVE_WINSOCK_H
+ { WSADATA wsaData;
+ xbt_assert0(WSAStartup( 0x0101, &wsaData ) == 0,
+ "Cannot find a usable WinSock DLL");
+ INFO0("Found and initialized winsock");
+ }
+#endif
+
+ /* Add plugins */
+ gras_trp_plugin_new("tcp", gras_trp_tcp_setup);
+ gras_trp_plugin_new("file",gras_trp_file_setup);
+ gras_trp_plugin_new("sg",gras_trp_sg_setup);
+ /* buf is composed, so it must come after the others */
+ gras_trp_plugin_new("buf", gras_trp_buf_setup);
+ }
+
+ _gras_trp_started++;
}
void
gras_trp_exit(void){
- gras_dict_free(&_gras_trp_plugins);
+ if (_gras_trp_started == 0) {
+ return;
+ }
+
+ if ( --_gras_trp_started == 0 ) {
+#ifdef HAVE_WINSOCK_H
+ if ( WSACleanup() == SOCKET_ERROR ) {
+ if ( WSAGetLastError() == WSAEINPROGRESS ) {
+ WSACancelBlockingCall();
+ WSACleanup();
+ }
+ }
+#endif
+
+ xbt_dict_free(&_gras_trp_plugins);
+ }
}
plug->exit(plug);
} else if (plug->data) {
DEBUG1("Plugin %s lacks exit(). Free data anyway.",plug->name);
- gras_free(plug->data);
+ xbt_free(plug->data);
}
- gras_free(plug->name);
- gras_free(plug);
+ xbt_free(plug->name);
+ xbt_free(plug);
}
}
* Malloc a new socket, and initialize it with defaults
*/
void gras_trp_socket_new(int incoming,
- gras_socket_t **dst) {
+ gras_socket_t *dst) {
- gras_socket_t *sock=gras_new(gras_socket_t,1);
+ gras_socket_t sock=xbt_new0(s_gras_socket_t,1);
DEBUG1("Create a new socket (%p)", (void*)sock);
*dst = sock;
- gras_dynar_push(gras_socketset_get(),dst);
+ xbt_dynar_push(gras_socketset_get(),dst);
+ XBT_OUT;
}
* Opens a server socket and make it ready to be listened to.
* In real life, you'll get a TCP socket.
*/
-gras_error_t
+xbt_error_t
gras_socket_server_ext(unsigned short port,
unsigned long int bufSize,
int raw,
- /* OUT */ gras_socket_t **dst) {
+ /* OUT */ gras_socket_t *dst) {
- gras_error_t errcode;
+ xbt_error_t errcode;
gras_trp_plugin_t *trp;
- gras_socket_t *sock;
+ gras_socket_t sock;
*dst = NULL;
- DEBUG1("Create a server socket from plugin %s",gras_if_RL() ? "tcp" : "sg");
+ DEBUG2("Create a server socket from plugin %s on port %d",
+ gras_if_RL() ? "tcp" : "sg",
+ port);
TRY(gras_trp_plugin_get_by_name("buf",&trp));
/* defaults settings */
sock->raw = raw;
/* Call plugin socket creation function */
+ DEBUG1("Prepare socket with plugin (fct=%p)",trp->socket_server);
errcode = trp->socket_server(trp, sock);
DEBUG3("in=%c out=%c accept=%c",
sock->incoming?'y':'n',
sock->accepting?'y':'n');
if (errcode != no_error) {
- gras_free(sock);
+ xbt_free(sock);
return errcode;
}
* Opens a client socket to a remote host.
* In real life, you'll get a TCP socket.
*/
-gras_error_t
+xbt_error_t
gras_socket_client_ext(const char *host,
unsigned short port,
unsigned long int bufSize,
int raw,
- /* OUT */ gras_socket_t **dst) {
+ /* OUT */ gras_socket_t *dst) {
- gras_error_t errcode;
+ xbt_error_t errcode;
gras_trp_plugin_t *trp;
- gras_socket_t *sock;
+ gras_socket_t sock;
*dst = NULL;
sock->accepting?'y':'n');
if (errcode != no_error) {
- gras_free(sock);
+ xbt_free(sock);
return errcode;
}
* Opens a server socket and make it ready to be listened to.
* In real life, you'll get a TCP socket.
*/
-gras_error_t
+xbt_error_t
gras_socket_server(unsigned short port,
- /* OUT */ gras_socket_t **dst) {
+ /* OUT */ gras_socket_t *dst) {
return gras_socket_server_ext(port,32,0,dst);
}
* Opens a client socket to a remote host.
* In real life, you'll get a TCP socket.
*/
-gras_error_t
+xbt_error_t
gras_socket_client(const char *host,
unsigned short port,
- /* OUT */ gras_socket_t **dst) {
+ /* OUT */ gras_socket_t *dst) {
return gras_socket_client_ext(host,port,32,0,dst);
}
-void gras_socket_close(gras_socket_t *sock) {
- gras_dynar_t *sockets = gras_socketset_get();
- gras_socket_t *sock_iter;
+void gras_socket_close(gras_socket_t sock) {
+ xbt_dynar_t sockets = gras_socketset_get();
+ gras_socket_t sock_iter;
int cursor;
/* FIXME: Issue an event when the socket is closed */
if (sock) {
- gras_dynar_foreach(sockets,cursor,sock_iter) {
+ xbt_dynar_foreach(sockets,cursor,sock_iter) {
if (sock == sock_iter) {
- gras_dynar_cursor_rm(sockets,&cursor);
- if ( sock->plugin->socket_close)
+ xbt_dynar_cursor_rm(sockets,&cursor);
+ if (sock->plugin->socket_close)
(* sock->plugin->socket_close)(sock);
/* free the memory */
if (sock->peer_name)
- gras_free(sock->peer_name);
- gras_free(sock);
+ xbt_free(sock->peer_name);
+ xbt_free(sock);
return;
}
}
*
* Send a bunch of bytes from on socket
*/
-gras_error_t
-gras_trp_chunk_send(gras_socket_t *sd,
+xbt_error_t
+gras_trp_chunk_send(gras_socket_t sd,
char *data,
long int size) {
- gras_assert1(sd->outgoing,
+ xbt_assert1(sd->outgoing,
"Socket not suited for data send (outgoing=%c)",
sd->outgoing?'y':'n');
- gras_assert1(sd->plugin->chunk_send,
+ xbt_assert1(sd->plugin->chunk_send,
"No function chunk_send on transport plugin %s",
sd->plugin->name);
return (*sd->plugin->chunk_send)(sd,data,size);
*
* Receive a bunch of bytes from a socket
*/
-gras_error_t
-gras_trp_chunk_recv(gras_socket_t *sd,
+xbt_error_t
+gras_trp_chunk_recv(gras_socket_t sd,
char *data,
long int size) {
- gras_assert0(sd->incoming,
+ xbt_assert0(sd->incoming,
"Socket not suited for data receive");
- gras_assert1(sd->plugin->chunk_recv,
+ xbt_assert1(sd->plugin->chunk_recv,
"No function chunk_recv on transport plugin %s",
sd->plugin->name);
return (sd->plugin->chunk_recv)(sd,data,size);
*
* Make sure all pending communications are done
*/
-gras_error_t
-gras_trp_flush(gras_socket_t *sd) {
+xbt_error_t
+gras_trp_flush(gras_socket_t sd) {
return (sd->plugin->flush)(sd);
}
-gras_error_t
+xbt_error_t
gras_trp_plugin_get_by_name(const char *name,
gras_trp_plugin_t **dst){
- return gras_dict_get(_gras_trp_plugins,name,(void**)dst);
+ return xbt_dict_get(_gras_trp_plugins,name,(void**)dst);
}
-int gras_socket_my_port (gras_socket_t *sock) {
+int gras_socket_my_port (gras_socket_t sock) {
return sock->port;
}
-int gras_socket_peer_port(gras_socket_t *sock) {
+int gras_socket_peer_port(gras_socket_t sock) {
return sock->peer_port;
}
-char *gras_socket_peer_name(gras_socket_t *sock) {
+char *gras_socket_peer_name(gras_socket_t sock) {
return sock->peer_name;
}
-gras_error_t gras_socket_raw_send(gras_socket_t *peer,
+xbt_error_t gras_socket_raw_send(gras_socket_t peer,
unsigned int timeout,
- unsigned long int expSize,
- unsigned long int msgSize) {
-
- gras_assert0(peer->raw,"Asked to send raw data on a regular socket\n");
- return gras_socket_raw_exchange(peer,1,timeout,expSize,msgSize);
+ unsigned long int exp_size,
+ unsigned long int msg_size) {
+ xbt_error_t errcode;
+ char *chunk = xbt_malloc(msg_size);
+ int exp_sofar;
+
+ xbt_assert0(peer->raw,"Asked to send raw data on a regular socket");
+ for (exp_sofar=0; exp_sofar < exp_size; exp_sofar += msg_size) {
+ CDEBUG5(raw_trp,"Sent %d of %lu (msg_size=%ld) to %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+ TRY(gras_trp_chunk_send(peer,chunk,msg_size));
+ }
+ CDEBUG5(raw_trp,"Sent %d of %lu (msg_size=%ld) to %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+
+ xbt_free(chunk);
+ return no_error;/* gras_socket_raw_exchange(peer,1,timeout,expSize,msgSize); */
}
-gras_error_t gras_socket_raw_recv(gras_socket_t *peer,
+xbt_error_t gras_socket_raw_recv(gras_socket_t peer,
unsigned int timeout,
- unsigned long int expSize,
- unsigned long int msgSize){
+ unsigned long int exp_size,
+ unsigned long int msg_size){
- gras_assert0(peer->raw,"Asked to recveive raw data on a regular socket\n");
- return gras_socket_raw_exchange(peer,0,timeout,expSize,msgSize);
+ xbt_error_t errcode;
+ char *chunk = xbt_malloc(msg_size);
+ int exp_sofar;
+
+ xbt_assert0(peer->raw,"Asked to recveive raw data on a regular socket\n");
+ for (exp_sofar=0; exp_sofar < exp_size; exp_sofar += msg_size) {
+ CDEBUG5(raw_trp,"Recvd %d of %lu (msg_size=%ld) from %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+ TRY(gras_trp_chunk_recv(peer,chunk,msg_size));
+ }
+ CDEBUG5(raw_trp,"Recvd %d of %lu (msg_size=%ld) from %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+
+ xbt_free(chunk);
+ return no_error;/* gras_socket_raw_exchange(peer,0,timeout,expSize,msgSize); */
}