/* 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 <time.h> /* time() */
+#include "xbt/ex.h"
+#include "xbt/peer.h"
+#include "portable.h"
+#include "gras/Transport/transport_private.h"
-#include "Transport/transport_private.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_trp,gras,"Conveying bytes over the network");
+XBT_LOG_NEW_SUBCATEGORY(gras_trp_meas,gras_trp,"Conveying bytes over the network without formating for perf measurements");
+static short int _gras_trp_started = 0;
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(transport,GRAS);
-
-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 */
-
-gras_dynar_t *_gras_trp_sockets; /* all existing sockets */
-static void gras_trp_socket_free(void *s); /* free one socket */
-
-static fd_set FDread;
-
-gras_error_t
-gras_trp_plugin_new(const char *name, gras_trp_setup_t setup);
-
-gras_error_t
+static void
gras_trp_plugin_new(const char *name, gras_trp_setup_t setup) {
- gras_error_t errcode;
-
- gras_trp_plugin_t *plug = malloc(sizeof(gras_trp_plugin_t));
- if (!plug)
- RAISE_MALLOC;
-
- memset(plug,0,sizeof(gras_trp_plugin_t));
-
- plug->name=strdup(name);
- if (!plug->name)
- RAISE_MALLOC;
+ xbt_ex_t e;
- TRY(setup(plug));
- TRY(gras_dict_set(_gras_trp_plugins,
- plug->name, plug, gras_trp_plugin_free));
-
- return no_error;
-}
-
-gras_error_t
-gras_trp_init(void){
- gras_error_t errcode;
+ gras_trp_plugin_t plug = xbt_new0(s_gras_trp_plugin_t, 1);
- /* make room for all socket ownership descriptions */
- TRY(gras_dynar_new(&_gras_trp_sockets, sizeof(gras_socket_t*), NULL));
-
- /* We do not ear for any socket for now */
- FD_ZERO(&FDread);
-
- /* make room for all plugins */
- TRY(gras_dict_new(&_gras_trp_plugins));
+ DEBUG1("Create plugin %s",name);
+
+ plug->name=xbt_strdup(name);
+
+ TRY {
+ setup(plug);
+ } CATCH(e) {
+ if (e.category == mismatch_error) {
+ /* SG plugin raise mismatch when in RL mode (and vice versa) */
+ free(plug->name);
+ free(plug);
+ plug=NULL;
+ xbt_ex_free(e);
+ } else {
+ RETHROW;
+ }
+ }
- /* Add them */
- TRY(gras_trp_plugin_new("tcp", gras_trp_tcp_setup));
- TRY(gras_trp_plugin_new("file",gras_trp_file_setup));
- TRY(gras_trp_plugin_new("sg",gras_trp_sg_setup));
+ if (plug)
+ xbt_dict_set(_gras_trp_plugins, name, plug, gras_trp_plugin_free);
+}
- return no_error;
+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 mechanism */
+ {
+ 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("file",gras_trp_file_setup);
+ gras_trp_plugin_new("sg",gras_trp_sg_setup);
+ gras_trp_plugin_new("tcp", gras_trp_tcp_setup);
+ }
+
+ _gras_trp_started++;
}
void
gras_trp_exit(void){
- gras_dict_free(&_gras_trp_plugins);
- gras_dynar_free(_gras_trp_sockets);
+ xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->sockets;
+ gras_socket_t sock_iter;
+ int cursor;
+
+ 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
+
+ /* Close all the sockets */
+ xbt_dynar_foreach(sockets,cursor,sock_iter) {
+ VERB1("Closing the socket %p left open on exit. Maybe a socket leak?",
+ sock_iter);
+ gras_socket_close(sock_iter);
+ }
+
+ /* Delete the plugins */
+ xbt_dict_free(&_gras_trp_plugins);
+ }
}
void gras_trp_plugin_free(void *p) {
- gras_trp_plugin_t *plug = p;
+ gras_trp_plugin_t plug = p;
if (plug) {
- if (plug->exit)
+ if (plug->exit) {
plug->exit(plug);
- else if (plug->data)
+ } else if (plug->data) {
+ DEBUG1("Plugin %s lacks exit(). Free data anyway.",plug->name);
free(plug->data);
+ }
free(plug->name);
free(plug);
*
* Malloc a new socket, and initialize it with defaults
*/
-gras_error_t gras_trp_socket_new(int incoming,
- gras_socket_t **dst) {
+void gras_trp_socket_new(int incoming,
+ gras_socket_t *dst) {
- gras_socket_t *sock;
+ gras_socket_t sock=xbt_new0(s_gras_socket_t,1);
- if (! (sock=malloc(sizeof(gras_socket_t))) )
- RAISE_MALLOC;
+ VERB1("Create a new socket (%p)", (void*)sock);
sock->plugin = NULL;
- sock->sd = -1;
- sock->incoming = incoming? 1:0;
- sock->outgoing = incoming? 0:1;
- sock->accepting = incoming? 1:0;
- DEBUG3("in=%c out=%c accept=%c",
- sock->incoming?'y':'n',
- sock->outgoing?'y':'n',
- sock->accepting?'y':'n');
+ sock->incoming = incoming ? 1:0;
+ sock->outgoing = incoming ? 0:1;
+ sock->accepting = incoming ? 1:0;
+ sock->meas = 0;
+ sock->recv_ok = 1;
+ sock->valid = 1;
+ sock->sd = -1;
sock->port = -1;
sock->peer_port = -1;
sock->peer_name = NULL;
- sock->raw = 0;
+ sock->peer_proc = NULL;
+ sock->data = NULL;
+ sock->bufdata = NULL;
+
*dst = sock;
- return no_error;
-}
-
+ xbt_dynar_push(((gras_trp_procdata_t)
+ gras_libdata_by_id(gras_trp_libdata_id))->sockets,dst);
+ XBT_OUT;
+}
+
/**
- * gras_socket_server:
- *
- * Opens a server socket and make it ready to be listened to.
- * In real life, you'll get a TCP socket.
+ * @brief Opens a server socket and makes it ready to be listened to.
+ * @param port: port on which you want to listen
+ * @param buf_size: size of the buffer (in byte) on the socket (for TCP sockets only). If 0, a sain default is used (32k, but may change)
+ * @param measurement: whether this socket is meant to convey measurement (if you don't know, use 0 to exchange regular messages)
+ *
+ * In real life, you'll get a TCP socket.
*/
-gras_error_t
-gras_socket_server(unsigned short port,
- /* OUT */ gras_socket_t **dst) {
+gras_socket_t
+gras_socket_server_ext(unsigned short port,
+
+ unsigned long int buf_size,
+ int measurement) {
- gras_error_t errcode;
- gras_trp_plugin_t *trp;
- gras_socket_t *sock;
+ xbt_ex_t e;
+ gras_trp_plugin_t trp;
+ gras_socket_t sock;
- *dst = NULL;
-
- TRY(gras_trp_plugin_get_by_name(gras_if_RL() ? "TCP" : "SG",
- &trp));
+ DEBUG2("Create a server socket from plugin %s on port %d",
+ gras_if_RL() ? "tcp" : "sg",
+ port);
+ trp = gras_trp_plugin_get_by_name(gras_if_SG() ? "sg":"tcp");
/* defaults settings */
- TRY(gras_trp_socket_new(1,&sock));
+ gras_trp_socket_new(1,&sock);
sock->plugin= trp;
sock->port=port;
+ sock->buf_size = buf_size>0 ? buf_size : 32*1024;
+ sock->meas = measurement;
/* Call plugin socket creation function */
- errcode = trp->socket_server(trp, port, sock);
- if (errcode != no_error) {
+ DEBUG1("Prepare socket with plugin (fct=%p)",trp->socket_server);
+ TRY {
+ trp->socket_server(trp, sock);
+ DEBUG3("in=%c out=%c accept=%c",
+ sock->incoming?'y':'n',
+ sock->outgoing?'y':'n',
+ sock->accepting?'y':'n');
+ } CATCH(e) {
+ int cursor;
+ gras_socket_t sock_iter;
+ xbt_dynar_t socks = ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->sockets;
+ xbt_dynar_foreach(socks, cursor, sock_iter) {
+ if (sock_iter==sock)
+ xbt_dynar_cursor_rm(socks,&cursor);
+ }
free(sock);
- return errcode;
+ RETHROW;
}
- *dst = sock;
- /* Register this socket */
- errcode = gras_dynar_push(_gras_trp_sockets,dst);
- if (errcode != no_error) {
- free(sock);
- *dst = NULL;
- return errcode;
+ if (!measurement)
+ ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->myport = port;
+ return sock;
+}
+/**
+ * @brief Opens a server socket on any port in the given range
+ *
+ * @param minport: first port we will try
+ * @param maxport: last port we will try
+ * @param buf_size: size of the buffer (in byte) on the socket (for TCP sockets only). If 0, a sain default is used (32k, but may change)
+ * @param measurement: whether this socket is meant to convey measurement (if you don't know, use 0 to exchange regular messages)
+ *
+ * If none of the provided ports works, raises the exception got when trying the last possibility
+ */
+gras_socket_t
+gras_socket_server_range(unsigned short minport, unsigned short maxport,
+ unsigned long int buf_size, int measurement) {
+
+ int port;
+ gras_socket_t res=NULL;
+ xbt_ex_t e;
+
+ for (port=minport; port<maxport;port ++) {
+ TRY {
+ res=gras_socket_server_ext(port,buf_size,measurement);
+ } CATCH(e) {
+ if (port==maxport)
+ RETHROW;
+ xbt_ex_free(e);
+ }
+ if (res)
+ return res;
}
-
- return no_error;
+ THROW_IMPOSSIBLE;
}
-
+
/**
- * gras_socket_client:
- *
- * Opens a client socket to a remote host.
- * In real life, you'll get a TCP socket.
+ * @brief Opens a client socket to a remote host.
+ * @param host: who you want to connect to
+ * @param port: where you want to connect to on this host
+ * @param buf_size: size of the buffer (in bytes) on the socket (for TCP sockets only). If 0, a sain default is used (32k, but may change)
+ * @param measurement: whether this socket is meant to convey measurement (if you don't know, use 0 to exchange regular messages)
+ *
+ * In real life, you'll get a TCP socket.
*/
-gras_error_t
-gras_socket_client(const char *host,
- unsigned short port,
- /* OUT */ gras_socket_t **dst) {
+gras_socket_t
+gras_socket_client_ext(const char *host,
+ unsigned short port,
+
+ unsigned long int buf_size,
+ int measurement) {
- gras_error_t errcode;
- gras_trp_plugin_t *trp;
- gras_socket_t *sock;
-
- *dst = NULL;
+ xbt_ex_t e;
+ gras_trp_plugin_t trp;
+ gras_socket_t sock;
- TRY(gras_trp_plugin_get_by_name(gras_if_RL() ? "TCP" : "SG",
- &trp));
+ trp = gras_trp_plugin_get_by_name(gras_if_SG() ? "sg":"tcp");
+ DEBUG1("Create a client socket from plugin %s",gras_if_RL() ? "tcp" : "sg");
/* defaults settings */
- TRY(gras_trp_socket_new(0,&sock));
+ gras_trp_socket_new(0,&sock);
sock->plugin= trp;
sock->peer_port = port;
- sock->peer_name = strdup(host?host:"localhost");
+ sock->peer_name = (char*)strdup(host?host:"localhost");
+ sock->buf_size = buf_size>0 ? buf_size: 32*1024;
+ sock->meas = measurement;
/* plugin-specific */
- errcode= (* trp->socket_client)(trp,
- host ? host : "localhost", port,
- sock);
- if (errcode != no_error) {
+ TRY {
+ (*trp->socket_client)(trp, sock);
+ DEBUG3("in=%c out=%c accept=%c",
+ sock->incoming?'y':'n',
+ sock->outgoing?'y':'n',
+ sock->accepting?'y':'n');
+ } CATCH(e) {
free(sock);
- return errcode;
+ RETHROW;
}
- /* register socket */
- *dst = sock;
- errcode = gras_dynar_push(_gras_trp_sockets,dst);
- if (errcode != no_error) {
- free(sock);
- *dst = NULL;
- return errcode;
- }
+ return sock;
+}
+
+/**
+ * gras_socket_server:
+ *
+ * Opens a server socket and make it ready to be listened to.
+ * In real life, you'll get a TCP socket.
+ */
+gras_socket_t
+gras_socket_server(unsigned short port) {
+ return gras_socket_server_ext(port,32*1024,0);
+}
+
+/** @brief Opens a client socket to a remote host */
+gras_socket_t
+gras_socket_client(const char *host,
+ unsigned short port) {
+ return gras_socket_client_ext(host,port,0,0);
+}
- return no_error;
+/** @brief Opens a client socket to a remote host specified as '\a host:\a port' */
+gras_socket_t
+gras_socket_client_from_string(const char *host) {
+ xbt_peer_t p = xbt_peer_from_string(host);
+ gras_socket_t res = gras_socket_client_ext(p->name,p->port,0,0);
+ xbt_peer_free(p);
+ return res;
}
-void gras_socket_close(gras_socket_t **sock) {
- gras_socket_t *sock_iter;
+/** \brief Close socket */
+void gras_socket_close(gras_socket_t sock) {
+ xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->sockets;
+ gras_socket_t sock_iter;
int cursor;
+ XBT_IN;
+ VERB1("Close %p",sock);
/* FIXME: Issue an event when the socket is closed */
- if (sock && *sock) {
- gras_dynar_foreach(_gras_trp_sockets,cursor,sock_iter) {
- if (*sock == sock_iter) {
- gras_dynar_cursor_rm(_gras_trp_sockets,&cursor);
- if ( (*sock)->plugin->socket_close)
- (* (*sock)->plugin->socket_close)(*sock);
+ if (sock) {
+ xbt_dynar_foreach(sockets,cursor,sock_iter) {
+ if (sock == sock_iter) {
+ xbt_dynar_cursor_rm(sockets,&cursor);
+ if (sock->plugin->socket_close)
+ (* sock->plugin->socket_close)(sock);
/* free the memory */
- free(*sock);
- *sock=NULL;
+ if (sock->peer_name)
+ free(sock->peer_name);
+ free(sock);
+ XBT_OUT;
return;
}
}
- WARN0("Ignoring request to free an unknown socket");
+ WARN1("Ignoring request to free an unknown socket (%p). Execution stack:",sock);
+ xbt_backtrace_display();
}
+ XBT_OUT;
}
/**
- * gras_trp_chunk_send:
+ * gras_trp_send:
*
* Send a bunch of bytes from on socket
+ * (stable if we know the storage will keep as is until the next trp_flush)
*/
-gras_error_t
-gras_trp_chunk_send(gras_socket_t *sd,
- char *data,
- size_t size) {
- gras_assert1(sd->outgoing,
- "Socket not suited for data send (outgoing=%c)",
- sd->outgoing?'y':'n');
- gras_assert1(sd->plugin->chunk_send,
- "No function chunk_send on transport plugin %s",
- sd->plugin->name);
- return (*sd->plugin->chunk_send)(sd,data,size);
+void
+gras_trp_send(gras_socket_t sd, char *data, long int size, int stable) {
+ xbt_assert0(sd->outgoing,"Socket not suited for data send");
+ (*sd->plugin->send)(sd,data,size,stable);
}
/**
* gras_trp_chunk_recv:
*
* Receive a bunch of bytes from a socket
*/
-gras_error_t
-gras_trp_chunk_recv(gras_socket_t *sd,
- char *data,
- size_t size) {
- gras_assert0(sd->incoming,
- "Socket not suited for data receive");
- gras_assert1(sd->plugin->chunk_recv,
- "No function chunk_recv on transport plugin %s",
- sd->plugin->name);
- return (sd->plugin->chunk_recv)(sd,data,size);
+void
+gras_trp_recv(gras_socket_t sd, char *data, long int size) {
+ xbt_assert0(sd->incoming,"Socket not suited for data receive");
+ (sd->plugin->recv)(sd,data,size);
}
+/**
+ * gras_trp_flush:
+ *
+ * Make sure all pending communications are done
+ */
+void
+gras_trp_flush(gras_socket_t sd) {
+ if (sd->plugin->flush)
+ (sd->plugin->flush)(sd);
+}
-gras_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);
+gras_trp_plugin_t
+gras_trp_plugin_get_by_name(const char *name){
+ return xbt_dict_get(_gras_trp_plugins,name);
}
-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;
}
+char *gras_socket_peer_proc(gras_socket_t sock) {
+ return sock->peer_proc;
+}
+
+void gras_socket_peer_proc_set(gras_socket_t sock,char*peer_proc) {
+ sock->peer_proc = peer_proc;
+}
+
+/** \brief Check if the provided socket is a measurement one (or a regular one) */
+int gras_socket_is_meas(gras_socket_t sock) {
+ return sock->meas;
+}
+
+/** \brief Send a chunk of (random) data over a measurement socket
+ *
+ * @param peer measurement socket to use for the experiment
+ * @param timeout timeout (in seconds)
+ * @param exp_size total amount of data to send (in bytes).
+ * @param msg_size size of each chunk sent over the socket (in bytes).
+ *
+ * Calls to gras_socket_meas_send() and gras_socket_meas_recv() on
+ * each side of the socket should be paired.
+ *
+ * The exchanged data is zeroed to make sure it's initialized, but
+ * there is no way to control what is sent (ie, you cannot use these
+ * functions to exchange data out of band).
+ */
+void gras_socket_meas_send(gras_socket_t peer,
+ unsigned int timeout,
+ unsigned long int exp_size,
+ unsigned long int msg_size) {
+ char *chunk=NULL;
+ unsigned long int exp_sofar;
+
+ XBT_IN;
+
+ if (gras_if_RL())
+ chunk=xbt_malloc0(msg_size);
+
+ xbt_assert0(peer->meas,"Asked to send measurement data on a regular socket");
+ xbt_assert0(peer->outgoing,"Socket not suited for data send (was created with gras_socket_server(), not gras_socket_client())");
+
+ for (exp_sofar=0; exp_sofar < exp_size; exp_sofar += msg_size) {
+ CDEBUG5(gras_trp_meas,"Sent %lu of %lu (msg_size=%ld) to %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+ (*peer->plugin->raw_send)(peer,chunk,msg_size);
+ }
+ CDEBUG5(gras_trp_meas,"Sent %lu of %lu (msg_size=%ld) to %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+
+ if (gras_if_RL())
+ free(chunk);
+
+ XBT_OUT;
+}
+
+/** \brief Receive a chunk of data over a measurement socket
+ *
+ * Calls to gras_socket_meas_send() and gras_socket_meas_recv() on
+ * each side of the socket should be paired.
+ */
+void gras_socket_meas_recv(gras_socket_t peer,
+ unsigned int timeout,
+ unsigned long int exp_size,
+ unsigned long int msg_size){
+
+ char *chunk=NULL;
+ unsigned long int exp_sofar;
+
+ XBT_IN;
+
+ if (gras_if_RL())
+ chunk = xbt_malloc(msg_size);
+
+ xbt_assert0(peer->meas,
+ "Asked to receive measurement data on a regular socket");
+ xbt_assert0(peer->incoming,"Socket not suited for data receive");
+
+ for (exp_sofar=0; exp_sofar < exp_size; exp_sofar += msg_size) {
+ CDEBUG5(gras_trp_meas,"Recvd %ld of %lu (msg_size=%ld) from %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+ (peer->plugin->raw_recv)(peer,chunk,msg_size);
+ }
+ CDEBUG5(gras_trp_meas,"Recvd %ld of %lu (msg_size=%ld) from %s:%d",
+ exp_sofar,exp_size,msg_size,
+ gras_socket_peer_name(peer), gras_socket_peer_port(peer));
+
+ if (gras_if_RL())
+ free(chunk);
+ XBT_OUT;
+}
+
+/**
+ * \brief Something similar to the good old accept system call.
+ *
+ * Make sure that there is someone speaking to the provided server socket.
+ * In RL, it does an accept(2) and return the result as last argument.
+ * In SG, as accepts are useless, it returns the provided argument as result.
+ * You should thus test whether (peer != accepted) before closing both of them.
+ *
+ * You should only call this on measurement sockets. It is automatically
+ * done for regular sockets, but you usually want more control about
+ * what's going on with measurement sockets.
+ */
+gras_socket_t gras_socket_meas_accept(gras_socket_t peer){
+ gras_socket_t res;
+
+ xbt_assert0(peer->meas,
+ "No need to accept on non-measurement sockets (it's automatic)");
+
+ if (!peer->accepting) {
+ /* nothing to accept here (must be in SG) */
+ /* BUG: FIXME: this is BAD! it makes tricky to free the accepted socket*/
+ return peer;
+ }
+
+ res = (peer->plugin->socket_accept)(peer);
+ res->meas = peer->meas;
+ CDEBUG1(gras_trp_meas,"meas_accepted onto %d",res->sd);
+
+ return res;
+}
+
+
+/*
+ * Creating procdata for this module
+ */
+static void *gras_trp_procdata_new() {
+ gras_trp_procdata_t res = xbt_new(s_gras_trp_procdata_t,1);
+
+ res->name = xbt_strdup("gras_trp");
+ res->name_len = 0;
+ res->sockets = xbt_dynar_new(sizeof(gras_socket_t*), NULL);
+ res->myport = 0;
+
+ return (void*)res;
+}
+
+/*
+ * Freeing procdata for this module
+ */
+static void gras_trp_procdata_free(void *data) {
+ gras_trp_procdata_t res = (gras_trp_procdata_t)data;
+
+ xbt_dynar_free(&( res->sockets ));
+ free(res->name);
+ free(res);
+}
+
+void gras_trp_socketset_dump(const char *name) {
+ gras_trp_procdata_t procdata =
+ (gras_trp_procdata_t)gras_libdata_by_id(gras_trp_libdata_id);
+
+ int it;
+ gras_socket_t s;
+
+ INFO1("** Dump the socket set %s",name);
+ xbt_dynar_foreach(procdata->sockets, it, s) {
+ INFO4(" %p -> %s:%d %s",
+ s,gras_socket_peer_name(s),gras_socket_peer_port(s),
+ s->valid?"(valid)":"(peer dead)");
+ }
+ INFO1("** End of socket set %s",name);
+}
+
+/*
+ * Module registration
+ */
+int gras_trp_libdata_id;
+void gras_trp_register() {
+ gras_trp_libdata_id = gras_procdata_add("gras_trp",gras_trp_procdata_new, gras_trp_procdata_free);
+}
+
+int gras_os_myport(void) {
+ return ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->myport;
+}
+
