XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(Ping);
int client(int argc,char *argv[]) {
- xbt_ex_t e;
+ xbt_ex_t e;
gras_socket_t toserver=NULL; /* peer */
int connected = 0;
/* 1. Init the GRAS's infrastructure */
gras_init(&argc, argv);
-
+
/* 2. Get the server's address. The command line override defaults when specified */
if (argc == 3) {
host=argv[1];
port=atoi(argv[2]);
- }
+ }
INFO2("Launch client (server on %s:%d)",host,port);
-
- /* 3. Wait for the server startup */
- gras_os_sleep(1);
-
- /* 4. Create a socket to speak to the server */
+
+ /* 3. Create a socket to speak to the server */
while (!connected) {
TRY {
toserver=gras_socket_client(host,port);
}
}
- INFO2("Connected to %s:%d.",host,port);
+ INFO2("Connected to %s:%d.",host,port);
- /* 5. Register the messages.
+ /* 4. Register the messages.
See, it doesn't have to be done completely at the beginning, only before use */
ping_register_messages();
- /* 6. Keep the user informed of what's going on */
- INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
+ /* 5. Keep the user informed of what's going on */
+ INFO2(">>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
- /* 7. Prepare and send the ping message to the server */
+ /* 6. Prepare and send the ping message to the server */
ping = 1234;
TRY {
gras_msg_send(toserver, "ping", &ping);
ping,
gras_socket_peer_name(toserver),gras_socket_peer_port(toserver));
- /* 8. Wait for the answer from the server, and deal with issues */
+ /* 7. Wait for the answer from the server, and deal with issues */
TRY {
gras_msg_wait(6000,"pong", &from,&pong);
} CATCH(e) {
RETHROW0("Why can't I get my PONG message like everyone else: %s");
}
- /* 9. Keep the user informed of what's going on, again */
- INFO3(">>>>>>>> Got PONG(%d) from %s:%d <<<<<<<<",
+ /* 8. Keep the user informed of what's going on, again */
+ INFO3(">>>>>>>> Got PONG(%d) from %s:%d <<<<<<<<",
pong,
gras_socket_peer_name(from),gras_socket_peer_port(from));
- /* 10. Free the allocated resources, and shut GRAS down */
+ /* 9. Free the allocated resources, and shut GRAS down */
gras_socket_close(toserver);
INFO0("Done.");
gras_exit();