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Diffstat (limited to 'tests/SOCK_Test.cpp')
| -rw-r--r-- | tests/SOCK_Test.cpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/tests/SOCK_Test.cpp b/tests/SOCK_Test.cpp new file mode 100644 index 00000000000..37665a99bfa --- /dev/null +++ b/tests/SOCK_Test.cpp @@ -0,0 +1,258 @@ +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// tests +// +// = FILENAME +// SOCK_Test.cpp +// +// = DESCRIPTION +// This is a simple test of the ACE_SOCK_Acceptor and +// ACE_SOCK_Connector classes. The test forks two processes or +// spawns two threads (depending upon the platform) and then +// executes client and server allowing them to connect and +// exchange data. +// +// = AUTHOR +// Prashant Jain and Doug Schmidt +// +// ============================================================================ + +#include "ace/OS.h" +#include "ace/Thread.h" +#include "ace/Service_Config.h" +#include "ace/SOCK_Connector.h" +#include "ace/SOCK_Acceptor.h" +#include "ace/Handle_Set.h" +#include "test_config.h" + +static void * +client (void *arg) +{ +#if (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) + // Insert thread into thr_mgr + ACE_Thread_Control thread_control (ACE_Service_Config::thr_mgr ()); + ACE_NEW_THREAD; +#endif /* (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) */ + + ACE_INET_Addr *remote_addr = (ACE_INET_Addr *) arg; + ACE_INET_Addr server_addr (remote_addr->get_port_number (), "localhost"); + ACE_SOCK_Stream cli_stream; + ACE_SOCK_Connector con; + + ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting non-blocking connect\n")); + // Initiate timed, non-blocking connection with server. + + // Attempt a non-blocking connect to the server, reusing the local + // addr if necessary. + if (con.connect (cli_stream, server_addr, + (ACE_Time_Value *) &ACE_Time_Value::zero) == -1) + { + if (errno != EWOULDBLOCK) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "connection failed")); + + ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting timed connect\n")); + + // Check if non-blocking connection is in progress, + // and wait up to ACE_DEFAULT_TIMEOUT seconds for it to complete. + ACE_Time_Value tv (ACE_DEFAULT_TIMEOUT); + + if (con.complete (cli_stream, &server_addr, &tv) == -1) + ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "connection failed"), 0); + else + ACE_DEBUG ((LM_DEBUG, "(%P|%t) connected to %s\n", + server_addr.get_host_name ())); + } + + if (cli_stream.disable (ACE_NONBLOCK) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "disable")); + + // Send data to server (correctly handles "incomplete writes"). + + for (char c = 'a'; c <= 'z'; c++) + if (cli_stream.send_n (&c, 1) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "send_n")); + + // Explicitly close the writer-side of the connection. + if (cli_stream.close_writer () == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close_writer")); + + char buf[1]; + + // Wait for handshake with server. + if (cli_stream.recv_n (buf, 1) != 1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "recv_n")); + + // Close the connection completely. + if (cli_stream.close () == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close")); + + return 0; +} + +static void * +server (void *arg) +{ +#if (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) + // Insert thread into thr_mgr + ACE_Thread_Control thread_control (ACE_Service_Config::thr_mgr ()); + ACE_NEW_THREAD; +#endif /* (defined (ACE_WIN32) || defined (VXWORKS)) && defined (ACE_HAS_THREADS) */ + + ACE_SOCK_Acceptor *peer_acceptor = (ACE_SOCK_Acceptor *) arg; + + if (peer_acceptor->enable (ACE_NONBLOCK) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "enable")); + + // Keep these objects out here to prevent excessive constructor + // calls... + ACE_SOCK_Stream new_stream; + ACE_INET_Addr cli_addr; + ACE_Handle_Set handle_set; + ACE_Time_Value tv (ACE_DEFAULT_TIMEOUT); + // Performs the iterative server activities. + + for (;;) + { + char buf[BUFSIZ]; + char t = 'a'; + + handle_set.reset (); + handle_set.set_bit (peer_acceptor->get_handle ()); + + int result = ACE_OS::select (int (peer_acceptor->get_handle ()) + 1, + handle_set, + 0, 0, &tv); + if (result == -1) + ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "select"), 0); + else if (result == 0) + { + ACE_DEBUG ((LM_DEBUG, "(%P|%t) select timed out, shutting down\n")); + return 0; + } + + // Create a new ACE_SOCK_Stream endpoint (note automatic restart + // if errno == EINTR). + + while ((result = peer_acceptor->accept (new_stream, &cli_addr)) != -1) + { + ACE_DEBUG ((LM_DEBUG, "(%P|%t) client %s connected from %d\n", + cli_addr.get_host_name (), cli_addr.get_port_number ())); + + // Enable non-blocking I/O. + if (new_stream.enable (ACE_NONBLOCK) == -1) + ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "enable"), 0); + + handle_set.reset (); + handle_set.set_bit (new_stream.get_handle ()); + + // Read data from client (terminate on error). + + for (ssize_t r_bytes; ;) + { + if (ACE_OS::select (int (new_stream.get_handle ()) + 1, + handle_set, + 0, 0, 0) == -1) + ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "select"), 0); + + while ((r_bytes = new_stream.recv_n (buf, 1)) > 0) + { + ACE_ASSERT (t == buf[0]); + t++; + } + + if (r_bytes == 0) + { + ACE_DEBUG ((LM_DEBUG, + "(%P|%t) reached end of input, connection closed by client\n")); + + // Handshake back with client. + if (new_stream.send_n ("", 1) != 1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "send_n")); + + // Close endpoint. + if (new_stream.close () == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "close")); + return 0; + } + else if (r_bytes == -1) + { + if (errno == EWOULDBLOCK) + ACE_DEBUG ((LM_DEBUG, "(%P|%t) no input available, going back to reading\n")); + else + ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p\n", "recv_n"), 0); + } + } + } + + if (result == -1) + { + if (errno == EWOULDBLOCK) + ACE_DEBUG ((LM_DEBUG, "(%P|%t) no connections available, going back to accepting\n")); + else + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "accept")); + } + } + return 0; +} + +static void +spawn (void) +{ + // Acceptor + ACE_SOCK_Acceptor peer_acceptor; + + // Create a server address. + ACE_INET_Addr server_addr; + + // Bind listener to any port and then find out what the port was. + if (peer_acceptor.open (ACE_Addr::sap_any) == -1 + || peer_acceptor.get_local_addr (server_addr) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n", "open")); + else + { + ACE_DEBUG ((LM_DEBUG, "(%P|%t) starting server at port %d\n", + server_addr.get_port_number ())); + +#if !defined (ACE_WIN32) && !defined (VXWORKS) + switch (ACE_OS::fork ()) + { + case -1: + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "fork failed")); + exit (-1); + case 0: + ACE_LOG_MSG->sync ("child"); + client (&server_addr); + default: + server ((void *) &peer_acceptor); + ACE_OS::wait (); + } +#elif defined (ACE_HAS_THREADS) + if (ACE_Service_Config::thr_mgr ()->spawn + (ACE_THR_FUNC (server), (void *) &peer_acceptor, THR_NEW_LWP | THR_DETACHED) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "thread create failed")); + + if (ACE_Service_Config::thr_mgr ()->spawn + (ACE_THR_FUNC (client), (void *) &server_addr, THR_NEW_LWP | THR_DETACHED) == -1) + ACE_ERROR ((LM_ERROR, "(%P|%t) %p\n%a", "thread create failed")); + + // Wait for the threads to exit. + ACE_Service_Config::thr_mgr ()->wait (); +#else + ACE_ERROR ((LM_ERROR, "(%P|%t) only one thread may be run in a process on this platform\n%a", 1)); +#endif /* ACE_HAS_THREADS */ + } +} + +int +main (int, char *[]) +{ + ACE_START_TEST ("SOCK_Test"); + + spawn (); + + ACE_END_TEST; + return 0; +} |