. */ class Sender : public ACE_Handler { public: Sender (void); ~Sender (void); //FUZZ: disable check_for_lack_ACE_OS ///FUZZ: enable check_for_lack_ACE_OS int open (const ACE_TCHAR *host, u_short port); protected: // These methods are called by the freamwork /// This is called when asynchronous writes from the dgram socket /// complete virtual void handle_write_dgram (const ACE_Asynch_Write_Dgram::Result &result); private: /// Network I/O handle ACE_SOCK_Dgram sock_dgram_; /// wd (write dgram): for writing to the socket ACE_Asynch_Write_Dgram wd_; const char* completion_key_; const char* act_; }; Sender::Sender (void) : completion_key_ ("Sender completion key"), act_ ("Sender ACT") { } Sender::~Sender (void) { this->sock_dgram_.close (); } int Sender::open (const ACE_TCHAR *host, u_short port) { // Initialize stuff if (this->sock_dgram_.open (ACE_INET_Addr::sap_any) == -1) ACE_ERROR_RETURN ((LM_ERROR, "[%D][line:%l]%p\n", "ACE_SOCK_Dgram::open"), -1); // Initialize the asynchronous read. if (this->wd_.open (*this, this->sock_dgram_.get_handle (), this->completion_key_, ACE_Proactor::instance ()) == -1) ACE_ERROR_RETURN ((LM_ERROR, "[%D][line:%l]%p\n", "ACE_Asynch_Write_Dgram::open"), -1); // We are using scatter/gather to send the message header and // message body using 2 buffers // create a message block for the message header ACE_Message_Block* msg = 0; ACE_NEW_RETURN (msg, ACE_Message_Block (100), -1); const char raw_msg [] = "To be or not to be."; // Copy buf into the Message_Block and update the wr_ptr (). msg->copy (raw_msg, ACE_OS::strlen (raw_msg) + 1); // create a message block for the message body ACE_Message_Block* body = 0; ACE_NEW_RETURN (body, ACE_Message_Block (100), -1); ACE_OS::memset (body->wr_ptr (), 'X', 100); body->wr_ptr (100); // always remember to update the wr_ptr () // set body as the cont of msg. This associates the 2 message blocks so // that a send will send the first block (which is the header) up to // length (), and use the cont () to get the next block to send. You can // chain up to IOV_MAX message block using this method. msg->cont (body); // do the asynch send size_t number_of_bytes_sent = 0; ACE_INET_Addr serverAddr (port, host); int res = this->wd_.send (msg, number_of_bytes_sent, 0, serverAddr, this->act_); ACE_Message_Block* p = 0; p= msg; switch (res) { case 0: // this is a good error. The proactor will call our handler when the // send has completed. break; case 1: // actually sent something, we will handle it in the handler callback ACE_DEBUG ((LM_DEBUG, "********************\n")); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes sent immediately", number_of_bytes_sent)); while (p != NULL) { ACE_DEBUG ((LM_DEBUG,"YOU SEND[%s]\n",p->rd_ptr())); p = p->cont(); } ACE_DEBUG ((LM_DEBUG, "********************\n")); res = 0; break; case -1: // Something else went wrong. ACE_ERROR ((LM_ERROR, "[%D][line:%l]%p\n", "ACE_Asynch_Write_Dgram::recv")); // the handler will not get called in this case so lets clean up our msg msg->release (); break; default: // Something undocumented really went wrong. ACE_ERROR ((LM_ERROR, "[%D][line:%l]%p\n", "ACE_Asynch_Write_Dgram::recv")); msg->release (); break; } return res; } void Sender::handle_write_dgram (const ACE_Asynch_Write_Dgram::Result &result) { ACE_DEBUG ((LM_DEBUG, "handle_write_dgram called\n")); ACE_DEBUG ((LM_DEBUG, "********************\n")); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_to_write", result.bytes_to_write ())); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "handle", result.handle ())); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "bytes_transfered", result.bytes_transferred ())); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "flags", result.flags ())); ACE_DEBUG ((LM_DEBUG, "%s = %s\n", "act", result.act ())); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "success", result.success ())); ACE_DEBUG ((LM_DEBUG, "%s = %s\n", "completion_key", result.completion_key ())); ACE_DEBUG ((LM_DEBUG, "%s = %d\n", "error", result.error ())); ACE_DEBUG ((LM_DEBUG, "********************\n")); ACE_DEBUG ((LM_DEBUG, "Sender completed\n")); // No need for this message block anymore. result.message_block ()->release (); // Note that we are done with the test. done++; } int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) { //ACE_LOG_MSG->clr_flags(0); //ACE_LOG_MSG->set_flags(ACE_Log_Msg::STDERR | ACE_Log_Msg::VERBOSE); Sender sender; // Port that we're receiving connections on. u_short port = ACE_DEFAULT_SERVER_PORT; // Host that we're connecting to. string host("localhost"); if (sender.open (host.c_str(), port) == -1) return -1; while (true) { ACE_Proactor::instance ()->handle_events (); } return 0; }