C++ (Cpp) GetEcho Examples

Example #1

File: TCPConnection.cpp Project: badcaptain/Server

bool TCPConnection::ProcessReceivedData(char* errbuf) {
	if (errbuf)
		errbuf[0] = 0;
	if (!recvbuf)
		return true;
#if TCPN_DEBUG_Console >= 4
	if (recvbuf_used) {
		std::cout << "Starting Processing: recvbuf=" << recvbuf_used << std::endl;
		DumpPacket(recvbuf, recvbuf_used);
	}
#endif
	for (int i=0; i < recvbuf_used; i++) {
		if (GetEcho() && i >= recvbuf_echo) {
			Send(&recvbuf[i], 1);
			recvbuf_echo = i + 1;
		}
		switch(recvbuf[i]) {
		case 0: { // 0 is the code for clear buffer
				if (i==0) {
					recvbuf_used--;
					recvbuf_echo--;
					memmove(recvbuf, &recvbuf[1], recvbuf_used);
					i = -1;
				} else {
					if (i == recvbuf_used) {
						safe_delete_array(recvbuf);
						i = -1;
					}
					else {
						uchar* tmpdel = recvbuf;
						recvbuf = new uchar[recvbuf_size];
						memcpy(recvbuf, &tmpdel[i+1], recvbuf_used-i);
						recvbuf_used -= i + 1;
						recvbuf_echo -= i + 1;
						safe_delete_array(tmpdel);
						i = -1;
					}
				}
#if TCPN_DEBUG_Console >= 5
				std::cout << "Removed 0x00" << std::endl;
				if (recvbuf_used) {
					std::cout << "recvbuf left: " << recvbuf_used << std::endl;
					DumpPacket(recvbuf, recvbuf_used);
				}
				else
					std::cout << "recbuf left: None" << std::endl;
#endif
				m_previousLineEnd = false;
				break;
			}
			case 10:
			case 13: // newline marker
			{
				char *line = nullptr;
				if (i==0) { // empty line
					if(!m_previousLineEnd) {
						//char right before this was NOT a CR, report the empty line.
						line = new char[1];
						line[0] = '\0';
						m_previousLineEnd = true;
					} else {
						m_previousLineEnd = false;
					}
					recvbuf_used--;
					recvbuf_echo--;
					memcpy(recvbuf, &recvbuf[1], recvbuf_used);
					i = -1;
				} else {
					line = new char[i+1];
					memset(line, 0, i+1);
					memcpy(line, recvbuf, i);
#if TCPN_DEBUG_Console >= 3
					std::cout << "Line Out: " << std::endl;
					DumpPacket((uchar*) line, i);
#endif
					//line[i] = 0;
					uchar* tmpdel = recvbuf;
					recvbuf = new uchar[recvbuf_size];
					recvbuf_used -= i+1;
					recvbuf_echo -= i+1;
					memcpy(recvbuf, &tmpdel[i+1], recvbuf_used);
#if TCPN_DEBUG_Console >= 5
					std::cout << "i+1=" << i+1 << std::endl;
					if (recvbuf_used) {
						std::cout << "recvbuf left: " << recvbuf_used << std::endl;
						DumpPacket(recvbuf, recvbuf_used);
					}
					else
						std::cout << "recbuf left: None" << std::endl;
#endif
					safe_delete_array(tmpdel);
					i = -1;
					m_previousLineEnd = true;
				}


				if(line != nullptr) {
					bool finish_proc = false;
					finish_proc = LineOutQueuePush(line);
					if(finish_proc)
						return(true);	//break early as requested by LineOutQueuePush
				}

				break;
			}
			case 8: // backspace
			{
				if (i==0) { // nothin to backspace
					recvbuf_used--;
					recvbuf_echo--;
					memmove(recvbuf, &recvbuf[1], recvbuf_used);
					i = -1;
				} else {
					uchar* tmpdel = recvbuf;
					recvbuf = new uchar[recvbuf_size];
					memcpy(recvbuf, tmpdel, i-1);
					memcpy(&recvbuf[i-1], &tmpdel[i+1], recvbuf_used-i);
					recvbuf_used -= 2;
					recvbuf_echo -= 2;
					safe_delete_array(tmpdel);
					i -= 2;
				}
				break;
				m_previousLineEnd = false;
			}
			default:
				m_previousLineEnd = false;
		}
	}
	if (recvbuf_used < 0)
		safe_delete_array(recvbuf);
	return true;
}

Example #2

File: vocabulary.cpp Project: favreau/zeq

std::string deserializeEcho( const zeroeq::Event& event )
{
    const auto& data = GetEcho( event.getData( ));
    return data->message()->c_str();
}