* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/ex.h"
+#include "xbt/peer.h"
#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(trp_meas,transport,"Conveying bytes over the network without formating for perf measurements");
+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;
static xbt_dict_t _gras_trp_plugins; /* All registered plugins */
#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_plugin_new("tcp", gras_trp_tcp_setup);
}
_gras_trp_started++;
void
gras_trp_exit(void){
- xbt_dynar_t sockets = gras_socketset_get();
+ xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->sockets;
gras_socket_t sock_iter;
int cursor;
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->sd = -1;
sock->port = -1;
sock->peer_port = -1;
sock->peer_name = NULL;
+ sock->peer_proc = NULL;
sock->data = NULL;
sock->bufdata = NULL;
*dst = sock;
- xbt_dynar_push(gras_socketset_get(),dst);
+ xbt_dynar_push(((gras_trp_procdata_t)
+ gras_libdata_by_id(gras_trp_libdata_id))->sockets,dst);
XBT_OUT;
}
-
-
+
/**
- * gras_socket_server_ext:
- *
- * 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_socket_t
gras_socket_server_ext(unsigned short port,
- unsigned long int bufSize,
+ unsigned long int buf_size,
int measurement) {
xbt_ex_t e;
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":(measurement?"tcp":"buf"));
+ trp = gras_trp_plugin_get_by_name(gras_if_SG() ? "sg":"tcp");
/* defaults settings */
gras_trp_socket_new(1,&sock);
sock->plugin= trp;
sock->port=port;
- sock->bufSize = bufSize;
+ sock->buf_size = buf_size>0 ? buf_size : 32*1024;
sock->meas = measurement;
/* Call plugin socket creation function */
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);
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;
+}
/**
- * gras_socket_client_ext:
- *
- * 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_socket_t
gras_socket_client_ext(const char *host,
unsigned short port,
- unsigned long int bufSize,
+ unsigned long int buf_size,
int measurement) {
xbt_ex_t e;
gras_trp_plugin_t trp;
gras_socket_t sock;
- trp = gras_trp_plugin_get_by_name(gras_if_SG() ? "sg":(measurement?"tcp":"buf"));
+ 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 */
sock->plugin= trp;
sock->peer_port = port;
sock->peer_name = (char*)strdup(host?host:"localhost");
- sock->bufSize = bufSize;
+ sock->buf_size = buf_size>0 ? buf_size: 32*1024;
sock->meas = measurement;
/* plugin-specific */
*/
gras_socket_t
gras_socket_server(unsigned short port) {
- return gras_socket_server_ext(port,32,0);
+ 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,32,0);
+ 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_socketset_get();
+ 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) {
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;
}
/**
- * 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)
*/
void
-gras_trp_chunk_send(gras_socket_t sd,
- char *data,
- long int size) {
- xbt_assert1(sd->outgoing,
- "Socket not suited for data send (outgoing=%c)",
- sd->outgoing?'y':'n');
- xbt_assert1(sd->plugin->chunk_send,
- "No function chunk_send on transport plugin %s",
- sd->plugin->name);
- (*sd->plugin->chunk_send)(sd,data,size);
+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
*/
void
-gras_trp_chunk_recv(gras_socket_t sd,
- char *data,
- long int size) {
- xbt_assert0(sd->incoming,
- "Socket not suited for data receive");
- xbt_assert1(sd->plugin->chunk_recv,
- "No function chunk_recv on transport plugin %s",
- sd->plugin->name);
- (sd->plugin->chunk_recv)(sd,data,size,size);
+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);
}
/**
*/
void
gras_trp_flush(gras_socket_t sd) {
- (sd->plugin->flush)(sd);
+ if (sd->plugin->flush)
+ (sd->plugin->flush)(sd);
}
gras_trp_plugin_t
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) {
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) {
unsigned int timeout,
unsigned long int exp_size,
unsigned long int msg_size) {
- char *chunk = xbt_malloc0(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(trp_meas,"Sent %lu of %lu (msg_size=%ld) to %s:%d",
+ 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));
- gras_trp_chunk_send(peer,chunk,msg_size);
+ (*peer->plugin->raw_send)(peer,chunk,msg_size);
}
- CDEBUG5(trp_meas,"Sent %lu of %lu (msg_size=%ld) to %s:%d",
+ 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));
- free(chunk);
+ if (gras_if_RL())
+ free(chunk);
XBT_OUT;
}
unsigned long int exp_size,
unsigned long int msg_size){
- char *chunk = xbt_malloc(msg_size);
+ char *chunk=NULL;
unsigned long int exp_sofar;
XBT_IN;
- xbt_assert0(peer->meas,"Asked to receive measurement data on a regular socket\n");
+ 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(trp_meas,"Recvd %ld of %lu (msg_size=%ld) from %s:%d",
+ 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));
- gras_trp_chunk_recv(peer,chunk,msg_size);
+ (peer->plugin->raw_recv)(peer,chunk,msg_size);
}
- CDEBUG5(trp_meas,"Recvd %ld of %lu (msg_size=%ld) from %s:%d",
+ 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));
- free(chunk);
+ if (gras_if_RL())
+ free(chunk);
XBT_OUT;
}
"No need to accept on non-measurement sockets (it's automatic)");
if (!peer->accepting) {
- /* nothing to accept here */
+ /* 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(trp_meas,"meas_accepted onto %d",res->sd);
+ CDEBUG1(gras_trp_meas,"meas_accepted onto %d",res->sd);
return res;
}
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);
+ 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_procdata_add("gras_trp",gras_trp_procdata_new, gras_trp_procdata_free);
+ gras_trp_libdata_id = gras_procdata_add("gras_trp",gras_trp_procdata_new, gras_trp_procdata_free);
}
-
-xbt_dynar_t
-gras_socketset_get(void) {
- /* FIXME: KILLME */
- return ((gras_trp_procdata_t) gras_libdata_get("gras_trp"))->sockets;
+int gras_os_myport(void) {
+ return ((gras_trp_procdata_t) gras_libdata_by_id(gras_trp_libdata_id))->myport;
}
+
