* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/ex.h"
+#include "xbt/host.h"
#include "portable.h"
#include "gras/Transport/transport_private.h"
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
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);
+ }
+ 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 '<host>:<port>' */
+gras_socket_t
+gras_socket_client_from_string(const char *host) {
+ xbt_host_t h = xbt_host_from_string(host);
+ gras_socket_t res = gras_socket_client_ext(h->name,h->port,0,0);
+ xbt_host_free(h);
+ 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;
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;
}
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;
}
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;
+}
+