/* 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. */
+/***
+ *** Options
+ ***/
+int gras_opt_trp_nomoredata_on_close=0;
+
#include "xbt/ex.h"
+#include "xbt/peer.h"
#include "portable.h"
#include "gras/Transport/transport_private.h"
gras_socket_t sock=xbt_new0(s_gras_socket_t,1);
- DEBUG1("Create a new socket (%p)", (void*)sock);
+ VERB1("Create a new socket (%p)", (void*)sock);
sock->plugin = NULL;
sock->outgoing = incoming ? 0:1;
sock->accepting = incoming ? 1:0;
sock->meas = 0;
+ sock->recv_ok = 1;
+ sock->valid = 1;
+ sock->moredata = 0;
sock->sd = -1;
sock->port = -1;
*dst = sock;
xbt_dynar_push(((gras_trp_procdata_t)
- gras_libdata_by_id(gras_trp_libdata_id))->sockets,dst);
+ gras_libdata_by_id(gras_trp_libdata_id))->sockets,dst);
XBT_OUT;
}
-
-
+
/**
* @brief Opens a server socket and makes it ready to be listened to.
* @param port: port on which you want to listen
RETHROW;
}
+ 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;
+ }
+ THROW_IMPOSSIBLE;
+}
/**
* @brief Opens a client socket to a remote host.
return gras_socket_server_ext(port,32*1024,0);
}
-/**
- * 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 */
gras_socket_t
gras_socket_client(const char *host,
unsigned short port) {
- return gras_socket_client_ext(host,port,32*1024,0);
+ return gras_socket_client_ext(host,port,0,0);
}
+/** @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;
+}
+/** \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);
+ if (sock == _gras_lastly_selected_socket) {
+ xbt_assert0(!gras_opt_trp_nomoredata_on_close || !sock->moredata,
+ "Closing a socket having more data in buffer while the nomoredata_on_close option is activated");
+
+ if (sock->moredata)
+ CRITICAL0("Closing a socket having more data in buffer. Option nomoredata_on_close disabled, so continuing.");
+ _gras_lastly_selected_socket=NULL;
+ }
+
/* FIXME: Issue an event when the socket is closed */
if (sock) {
xbt_dynar_foreach(sockets,cursor,sock_iter) {
return;
}
}
- WARN1("Ignoring request to free an unknown socket (%p)",sock);
+ WARN1("Ignoring request to free an unknown socket (%p). Execution stack:",sock);
+ xbt_backtrace_display();
}
XBT_OUT;
}
*
* @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).
+ * @param msg_amount how many of these packets you want to send.
*
* 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).
+ *
+ * @warning: in SimGrid version 3.1 and previous, the numerical arguments
+ * were the total amount of data to send and the msg_size. This
+ * was changed for the fool wanting to send more than MAXINT
+ * bytes in a fat pipe.
*/
void gras_socket_meas_send(gras_socket_t peer,
unsigned int timeout,
- unsigned long int exp_size,
- unsigned long int msg_size) {
+ unsigned long int msg_size,
+ unsigned long int msg_amount) {
char *chunk=NULL;
- unsigned long int exp_sofar;
-
+ unsigned long int sent_sofar;
+
XBT_IN;
if (gras_if_RL())
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,
+ for (sent_sofar=0; sent_sofar < msg_amount; sent_sofar++) {
+ CDEBUG5(gras_trp_meas,"Sent %lu msgs of %lu (size of each: %ld) to %s:%d",
+ sent_sofar,msg_amount,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,
+ CDEBUG5(gras_trp_meas,"Sent %lu msgs of %lu (size of each: %ld) to %s:%d",
+ sent_sofar,msg_amount,msg_size,
gras_socket_peer_name(peer), gras_socket_peer_port(peer));
if (gras_if_RL())
*
* Calls to gras_socket_meas_send() and gras_socket_meas_recv() on
* each side of the socket should be paired.
+ *
+ * @warning: in SimGrid version 3.1 and previous, the numerical arguments
+ * were the total amount of data to send and the msg_size. This
+ * was changed for the fool wanting to send more than MAXINT
+ * bytes in a fat pipe.
*/
void gras_socket_meas_recv(gras_socket_t peer,
unsigned int timeout,
- unsigned long int exp_size,
- unsigned long int msg_size){
+ unsigned long int msg_size,
+ unsigned long int msg_amount){
char *chunk=NULL;
- unsigned long int exp_sofar;
+ unsigned long int got_sofar;
XBT_IN;
"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,
+ for (got_sofar=0; got_sofar < msg_amount; got_sofar ++) {
+ CDEBUG5(gras_trp_meas,"Recvd %ld msgs of %lu (size of each: %ld) from %s:%d",
+ got_sofar,msg_amount,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,
+ CDEBUG5(gras_trp_meas,"Recvd %ld msgs of %lu (size of each: %ld) from %s:%d",
+ got_sofar,msg_amount,msg_size,
gras_socket_peer_name(peer), gras_socket_peer_port(peer));
if (gras_if_RL())
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);
+ 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);
}
/*
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;
+}
+