/* 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"
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 xbt_dict_t _gras_trp_plugins; /* All registered plugins */
static void gras_trp_plugin_free(void *p); /* free one of the plugins */
}
void gras_trp_init(void){
- /* make room for all plugins */
- _gras_trp_plugins=xbt_dict_new();
-
- /* 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);
+ 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){
- xbt_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);
+ }
}
*dst = sock;
xbt_dynar_push(gras_socketset_get(),dst);
+ XBT_OUT;
}
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',
xbt_dynar_foreach(sockets,cursor,sock_iter) {
if (sock == sock_iter) {
xbt_dynar_cursor_rm(sockets,&cursor);
- if ( sock->plugin->socket_close)
+ if (sock->plugin->socket_close)
(* sock->plugin->socket_close)(sock);
/* free the memory */