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Diffstat (limited to 'examples/Reactor/Misc/pingpong.cpp')
| -rw-r--r-- | examples/Reactor/Misc/pingpong.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/examples/Reactor/Misc/pingpong.cpp b/examples/Reactor/Misc/pingpong.cpp deleted file mode 100644 index a9b88e8f6bc..00000000000 --- a/examples/Reactor/Misc/pingpong.cpp +++ /dev/null @@ -1,241 +0,0 @@ -/* Simple program that illustrates all the features of the ACE_Reactor: -// $Id$ - - - 1. I/O event demultiplexing - 2. Signal-based demultiplexing - 3. Timer-based demultiplexing - - To test this program, compile it and then execute it as follows: - - % ./pingpong hello - - You should see lots of the following output: - - writing <4> [7860] - writing <4> [7860] - writing <4> [7860] - writing <4> [7860] - reading <5> (7860) [1] = hello - writing <4> [7860] - writing <5> [7861] - reading <4> (7861) [2] = hello - reading <5> (7860) [2] = hello - writing <4> [7860] - writing <5> [7861] - reading <4> (7861) [3] = hello - reading <5> (7860) [3] = hello - - After 10 seconds you'll see the following: - - ./pingpong: shutting down tester (pid = 7861) - ./pingpong: shutting down tester (pid = 7860) - - and the program will stop. If you'd like to - stop it earlier, just hit the control-C sequence - and you'll see the same messages. */ - - -#include "ace/Synch.h" -#include "ace/Reactor.h" -#include "ace/Pipe.h" - -class Ping_Pong : public ACE_Test_and_Set<ACE_Null_Mutex, sig_atomic_t> -{ -public: - Ping_Pong (char b[], ACE_HANDLE f); - virtual ACE_HANDLE get_handle (void) const; - virtual int handle_input (ACE_HANDLE); - virtual int handle_output (ACE_HANDLE); - virtual int handle_timeout (const ACE_Time_Value &, const void *); - -private: - char buf_[BUFSIZ]; - // Buffer to send. - - size_t buflen_; - // Length of the buffer to send. - - int pid_; - // Process ID. - - ACE_HANDLE handle_; - // Open handle. -}; - -Ping_Pong::Ping_Pong (char b[], ACE_HANDLE f) - : buflen_ (ACE_OS::strlen (b) + 1 + (2 * sizeof (int))), - pid_ (ACE_OS::getpid ()), - handle_ (f) -{ - *((int *) this->buf_) = (int) this->pid_; - *((int *) (this->buf_ + sizeof (int))) = 0; - ACE_OS::strcpy (this->buf_ + (2 * sizeof (int)), b); - this->buf_[this->buflen_ - 1] = '\n'; - this->buf_[this->buflen_] = '\0'; -} - -ACE_HANDLE -Ping_Pong::get_handle (void) const -{ - return this->handle_; -} - -int -Ping_Pong::handle_input (ACE_HANDLE) -{ -#if defined (ACE_HAS_STREAM_PIPES) - // We can rely on record-oriented reads... - - ssize_t n = ACE::recv (this->handle_, this->buf_, this->buflen_); - - if (n != this->buflen_) - ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) reading [%d] %p\n", handle_, "read"), -1); - - ACE_DEBUG ((LM_DEBUG, - "(%P|%t) reading <%d> (%d) [%d] = %s\n", - this->handle_, - *(int *) this->buf_, - *(int *) (this->buf_ + sizeof (int)), - this->buf_ + (2 * sizeof (int)))); -#else - ssize_t n = ACE::recv (this->handle_, this->buf_, sizeof this->buf_); - - if (n == -1) - ACE_ERROR_RETURN ((LM_ERROR, "[%d] %p\n", handle_, "read"), -1); - - n -= (2 * sizeof (int)); - char *buf = this->buf_ + (2 * sizeof (int)); - - ACE_DEBUG ((LM_DEBUG, "(%P|%t) reading <%d> = %*s\n", - this->handle_, n, buf)); -#endif /* ACE_HAS_STREAM_PIPES */ - return 0; -} - -int -Ping_Pong::handle_output (ACE_HANDLE) -{ -#if defined (ACE_HAS_STREAM_PIPES) - // We can rely on record-oriented reads... - - (*(int *) (this->buf_)) = this->pid_; - (*(int *) (this->buf_ + sizeof (int)))++; - if (ACE::send (this->handle_, this->buf_, this->buflen_) == -1) - return -1; - else - { - ACE_DEBUG ((LM_DEBUG, - "(%P|%t) writing <%d> [%d]\n", - this->handle_, this->pid_)); - return 0; - } -#else - if (ACE::send (this->handle_, this->buf_, this->buflen_) == -1) - return -1; - else - { - ACE_DEBUG ((LM_DEBUG, - "(%P|%t) writing <%d>\n", this->handle_)); - return 0; - } -#endif /* ACE_HAS_STREAM_PIPES */ -} - -int -Ping_Pong::handle_timeout (const ACE_Time_Value &, - const void *) -{ - this->set (1); - return 0; -} - -// Contains the string to "pingpong" back and forth... -static char *string_name; - -// Wait for 10 seconds and then shut down. -static const int SHUTDOWN_TIME = 10; - -#if defined (ACE_WIN32) -static ACE_Barrier barrier (3); - -static void * -worker (void *arg) -{ - ACE_HANDLE handle = (ACE_HANDLE) arg; - - run_svc (handle); - barrier.wait (); - ACE_DEBUG ((LM_DEBUG, "(%P|%t) %n: shutting down tester\n")); - return 0; -} -#endif /* ACE_WIN32 */ - -static void -run_svc (ACE_HANDLE handle) -{ - ACE_Reactor reactor; - - Ping_Pong callback (string_name, handle); - - // Register the callback object for the various I/O, signal, and - // timer-based events. - - if (reactor.register_handler (&callback, - ACE_Event_Handler::READ_MASK - | ACE_Event_Handler::WRITE_MASK) == -1 - || reactor.register_handler (SIGINT, &callback) == -1 - || reactor.schedule_timer (&callback, 0, SHUTDOWN_TIME) == -1) - ACE_ERROR ((LM_ERROR, "%p\n%a", "reactor", 1)); - - // Main event loop (one per process). - - while (callback.is_set () == 0) - reactor.handle_events (); -} - -int -main (int argc, char *argv[]) -{ - ACE_LOG_MSG->open (argv[0]); - - if (argc != 2) - ACE_ERROR ((LM_ERROR, "usage: %n string\n%a", 1)); - - string_name = argv[1]; - - ACE_HANDLE handles[2]; - - // Create a pipe and initialize the handles. - ACE_Pipe pipe (handles); - -#if defined (ACE_WIN32) - if (ACE_Thread::spawn (ACE_THR_FUNC (worker), - (void *) handles[0], - THR_DETACHED) == -1 - || ACE_Thread::spawn (ACE_THR_FUNC (worker), - (void *) handles[1], - THR_DETACHED) == -1) - ACE_ERROR ((LM_ERROR, "%p\n%a", "spawn", 1)); - - barrier.wait (); - -#else - pid_t pid = ACE_OS::fork (); - - if (pid == -1) - ACE_ERROR ((LM_ERROR, "%p\n%a", "fork", 1)); - - // Resync the ACE_Log_Msg notion of process id and program name. - ACE_LOG_MSG->sync (argv[0]); - - run_svc (handles[pid == 0]); - - ACE_DEBUG ((LM_DEBUG, "(%P|%t) %n: shutting down tester\n")); -#endif /* ACE_WIN32 */ - - if (pipe.close () == -1) - ACE_ERROR ((LM_ERROR, "%p\n", "close")); - - return 0; -} |