bool TcpServer::processAccept(int efd)
{
if (this->stopping) return false;
int socket;
while (true)
{
ISocket *sock = this->listenSocket->accept();
if (sock == 0)
{
if (errno == EAGAIN)
{
return true;
}
else
{
LOG("error while accepting. returned " << errno);
return false;
}
}
socket = sock->getSocket();
int flags = fcntl(socket,F_GETFL,0);
fcntl(socket, F_SETFL, flags | O_NONBLOCK);
TcpClient* client = this->clientFactory->create(sock);
clientList[socket] = client;
client->setControlEventFd(this->controlEventFd);
client->onConnected();
addFdToEpoll(efd,socket);
}
return true;
}
int main(int argc, char** argv) {
const std::string& endpoint = (const std::string&)argv[1];
pid_t pid = fork();
if (pid == 0) {
pid_t pid2 = fork();
if (pid2 == 0) {
UdpClient *client = new UdpClient(1);
client->Execute(endpoint);
} else {
TcpClient *client = new TcpClient(2);
client->Execute(endpoint);
}
} else {
pid_t pid3 = fork();
if (pid3 == 0) {
UdpClient *client = new UdpClient(3);
client->Execute(endpoint);
} else {
TcpClient *client = new TcpClient(4);
client->Execute(endpoint);
}
}
return 0;
}
void ClientTCP()
{
TcpClient client;
Packet data;
data.SetByteOrder(CX_PACKET_BIG_ENDIAN);
if(!client.InitializeSocket(HOSTNAME, PORT))
{
cout << "Unable to connect to host " << HOSTNAME << endl;
return;
}
cout << "Initialized TCP Client Socket\n";
char key = 0;
while(key != 27)
{
if((key = GetChar()) > 0)
{
data.Clear(); // Clear packet and encode data.
data.Write(key);
client.Send(data); // Send data (could send character array also if desired
/* Alternative way to send:
client.Send(&key, 1); // Send buffer/array.
*/
data.Clear();
if(client.Recv(data, 50, 0))
{
cout << *data.Ptr() << endl;
}
//cout << key;
}
}
}
void LocalPC::tcpServerReceiveData(void *tcp, char *buffer, int size)
{
DEBUG_OUTPUT("[LocalPC]receive:\n%s\n", buffer_format(buffer, size));
HeartbeatProtocol protocol;
Heartbeat *hb = protocol.find(buffer, size);
if(hb!=NULL)
{
delete hb;
char *p = NULL;
int size = 0;
bool slave = isSlave();
double timePoint = getSetupTime();
Heartbeat *t = protocol.makeHeartbeat(slave, timePoint);
if(NULL!=t)
{
if(t->makeBuffer(&p, size))
{
TcpClient *client = (TcpClient *)tcp;
client->send(p, size);
delete p;
}
}
}
}
int main(int argc, char** argv)
{
const unsigned int IP_ARG_IDX = 1;
TcpClient connection;
ros::init(argc, argv, "state_interface");
if (argc != 1) //Only one argument, the robot IP address is accepted
{
ROS_INFO("Robot state connecting to IP address: %s", argv[IP_ARG_IDX]);
connection.init(argv[IP_ARG_IDX], StandardSocketPorts::STATE);
std::vector<std::string> joint_names;
joint_names.push_back("joint_s");
joint_names.push_back("joint_l");
joint_names.push_back("joint_e");
joint_names.push_back("joint_u");
joint_names.push_back("joint_r");
joint_names.push_back("joint_b");
joint_names.push_back("joint_t");
RobotStateInterface rsi;
if (rsi.init(&connection, joint_names))
{
rsi.run();
}
}
else
{
ROS_ERROR("Missing command line arguments, usage: robot_state <robot ip address>");
}
return 0;
}
int main(int argc, char** argv) {
net_prepare();
// Connect the AR.Drone video port
TcpClient* videoClient = new TcpClient(ARDRONE_IP, VIDEO_PORT);
if (!videoClient->is_valid()) {
cerr << "can't connnected to the video tcp..." << endl;
abort();
}
int count = 0; // control the size of frames
std::ofstream videoIO("video.h264", ios::binary);
const int max_buf_size = VideoEncap::TcpPackSize;
char* buf = (char*)malloc(max_buf_size);
VideoEncap encap;
while (true) {
if (count>1500) {
break;
}
videoClient->recv(buf, max_buf_size, NULL);
videoIO.write((char*)buf, max_buf_size);
//vardump_hex(buf, max_buf_size); // output the data (hex format)
//if (encap.process(buf)) {
// videoIO.write((char*)encap.get_data(), encap.get_data_size());
// count++;
//vardump_hex(encap.get_data(), encap.get_data_size());
//}
count++;
}
videoIO.close();
net_end();
return 0;
}
// Message passing routine, used to send and receive a typed message
// Useful for checking the packing and unpacking of message data.
void fakeMessagePassing(TypedMessage &send, TypedMessage &recv)
{
const int tcpPort = TEST_PORT_BASE+401;
char ipAddr[] = "127.0.0.1";
TcpClient tcpClient;
TcpServer tcpServer;
SimpleMessage msgSend, msgRecv;
send.toTopic(msgSend);
// Construct server
tcpServer.init(tcpPort);
// Construct a client
tcpClient.init(&ipAddr[0], tcpPort);
tcpClient.makeConnect(); // make tcp client connection
tcpServer.makeConnect(); // make tcp server connection
tcpClient.sendMsg(msgSend); // send message
tcpServer.receiveMsg(msgRecv); // physically receive message
recv.init(msgRecv); // copy received message into reference
}
/*************************************(*TcpClient::PerTransFun)*********************************************/
void *TcpClient::PerTransFun(void *object) {
TcpClient *pt = (TcpClient *) object;
pt->setstatus(true);
time_t startTime = time(NULL);
time_t endTime = time(NULL);
//创建需要发送的消息sendMsg
cout << "Client(" << getpid() << "):Packet send begin at "
<< asctime(localtime(&endTime));
while ((time(NULL) - startTime) <= TESTDURATION) {
pt->period.tv_sec = PERIODSENDMSGSEC;
pt->period.tv_usec = PERIODSENDMSGUSEC;
int status = select(0, NULL, NULL, NULL, &(pt->period));
if (0 == status) {
pt->senddata(pt->clientMsg());
}
}
//cout << "Client(" << getpid() << "):go into sleep! "<<endl;
//sleep(KEEPALIVEDURATION);
pt->setstatus(false);
endTime = time(NULL);
cout << "Client(" << getpid() << "):Packet send end in "
<< asctime(localtime(&endTime));
pthread_exit(0);
}
TcpServer::~TcpServer() {
DEBUG;
while (!clientConnections.isEmpty()) {
TcpClient *client = clientConnections.takeLast();
client->disconnect(this);
delete client;
}
}
TcpServer::~TcpServer() {
qDebug() << Q_FUNC_INFO;
while (!clientConnections.isEmpty()) {
TcpClient *client = clientConnections.takeLast();
client->disconnect(this);
delete client;
}
}
//===直接导出到lua里的方法===
void Net::initialize(std::string server_ip, int server_port)
{
initialize_profile();
tcp_client.init(server_ip, server_port);
tcp_client.connect();
cocos2d::Director::getInstance()->set_battle_irrelevant_update(battle_irrelevant_update);
}
int main (int argc, char** argv)
{
QCoreApplication app(argc, argv);
TcpClient t;
t.connect("127.0.0.1", 4000);
return app.exec();
}
int WiFiCmdRobot::ReplyKO ()
{
tcpClient.println("HTTP/1.1 500 Internal Server Error");
tcpClient.println("Content-Type: text/html");
tcpClient.println("Server: ChipkitEDH/0.1");
tcpClient.println();
return SUCCESS;
}
void TcpServer::incomingConnection(int handle)
{
TcpClient *pClient = new TcpClient(this, handle);
pClient->setSocketDescriptor(handle);
connect(pClient, SIGNAL(clientReadData(int, QString, int, QByteArray)), \
this, SIGNAL(clientReadData(int, QString, int, QByteArray)));
connect(pClient, SIGNAL(clientDisConnect(int, QString, int)), \
this, SLOT(disconnect(int, QString, int)));
emit clientConnect(handle, pClient->peerAddress().toString(), pClient->peerPort());
m_clientList.append(pClient);
m_clientNum++;
}
bool tcpServerClientReceive (TcpClient& client, char *data, int size)
{
debugf("Application DataCallback : %s, %d bytes \r\n",client.getRemoteIp().toString().c_str(),size );
debugf("Data : %s", data);
client.sendString("sendString data\r\n", false);
client.writeString("writeString data\r\n",0 );
if (strcmp(data,"close") == 0)
{
debugf("Closing client");
client.close();
};
return true;
}
int main(int argc, char *argv[])
{
TcpClient tcpClient;
string ip;
int port = 9966;
if(argc >= 3) {
for(auto i = 1; i < argc; ++i) {
if(!string(argv[i]).compare("--help")) {
print_usage();
} else if(!string(argv[i]).compare("-ip")) {
++i;
if(i < argc)
ip = argv[i];
} else if(!string(argv[i]).compare("-port")) {
++i;
if(i < argc)
port = atoi(argv[i]);
}
}
}
if(ip.empty() )
print_usage();
if(tcpClient.clientInit(ip, port, AF_INET) < 0) {
cout << "can not connect to " << ip << ":" << port << endl;
exit(0);
}
cout << "connect to " << ip << ":" << port << endl;
Socket *cli = tcpClient.getConnection();
if(!cli) {
printf("getConnection() fail\n");
}
for(int i = 0; i < 1000; ++i) {
char buf[1024] = {0};
sprintf(buf, "cnt %d\n", i);
printf("%s", buf);
cli->write(buf, strlen(buf));
memset(buf, 0, sizeof(buf));
cli->read(buf, sizeof(buf));
printf("%s", buf);
sleep(1);
}
tcpClient.releaseConnection(cli);
return 0;
}
int TcpServer::processReceive(int socket)
{
auto it = clientList.find(socket);
if (it == clientList.end()) return 0;
TcpClient* client = it->second;
char tmpBuffer[1024]; //TODO: should get a buffer from a buffer pool
size_t n = 1;
while (n > 0)
{
if (this->stopping)
{
n = 0;
break;
}
n = client->getSocket()->read((char*)&tmpBuffer[0], 1024);
if (n == 0)
{
client->onDisconnected();
clientList.erase(it);
delete client;
}
else if (n == -1)
{
n = 0;
if (errno == ECONNRESET)
{
client->onDisconnected();
clientList.erase(it);
delete client;
}
else
{
if (errno != EAGAIN)
{
LOG("Read error. Returned " << errno);
abort();
}
}
break;
}
else
{
client->onReceive((char*)&tmpBuffer[0], n);
}
}
return n;
}
void tcpUpdate(float dt)
{
accumulated_time += dt;
if (accumulated_time >= time_to_send_heart_beat)
{
//发送心跳包
uint32_t empty = 4;
tcp_client.send((unsigned char*)&empty, 4);
accumulated_time -= time_to_send_heart_beat;
}
if (stage == to_receive_size)
{
if (tcp_client.receive((unsigned char*)&data_size, 4) == 0)
{
return;
}
data_size -= 4; //后面数据的具体长度是要减去头的4的
receive_data = new unsigned char[data_size];
stage = to_receive_data;
}
if (stage == to_receive_data)
{
if (tcp_client.receive(receive_data, data_size) == 0)
{
return;
}
boids::BoidsMessageHeader __msg;
if (__msg.ParseFromArray(receive_data, data_size))
{
switch (__msg.type())
{
HANDLE_MSG(boids::AUTO_MATCH_RESPONSE, boids::MatchResponse, autoMatchResponse);
default:
cocos2d::log("[ERROR] unrecognized msg type: %d", __msg.type());
break;
}
}
else
{
cocos2d::log("[ERROR] receive a packet but not a BoidsMessageHeader. data_len: %d", data_size);
}
delete receive_data;
stage = to_receive_size;
}
}
void* TcpClient::handleFunc(TcpClient* arg)
{
TcpClient* pClient = (TcpClient*)arg;
bool bCon(false);
for (int i = 0; i < CONN_TIMES; i++)
{
bCon = pClient->getSocket()->connectToTcp("192.168.208.128", 9999);
if (bCon)
break;
pClient->getSocket()->close();
//pClient->getSocket()
}
if (bCon)
{
G.m_nStatus = STATUS_CONNECTED;
thread t(responseFunc, pClient);
t.detach();
while (!pClient->m_bStop)
{
unique_lock<mutex> lock(pClient->m_writeMutex);
if (pClient->m_writeData.getPos() == 0)
pClient->m_writeCv.wait(lock);
int nRet = pClient->m_socket.send(pClient->m_writeData.getBuf(), pClient->m_writeData.getPos());
if (nRet < 0)
{
pClient->closeAndReConn();
break;
}
else
{
pClient->m_writeData.pop(nRet);
}
}
//pClient->requestLogin(G.getSeq());
}
else
{
G.m_nStatus = STATUS_DISCONNECT;
}
return NULL;
}
int WiFiCmdRobot::WiFiSendPicture (int16_t n)
{
int ret=SUCCESS;
int16_t nbytes;
uint8_t buf[PAYLOAD_SIZE];
char filename[12+1];
Serial.print("n: ");
Serial.println(n);
// Open the file
sprintf(filename, "PICT%02d.jpg", n);
if (!FilePicture.open(&root, filename, O_READ)) return FILE_OPEN_ERROR;
Serial.print("Open file: ");
Serial.println(filename);
// read from the file until there's nothing else in it:
while ((nbytes = FilePicture.read(buf, sizeof(buf))) > 0 && ret == SUCCESS) {
for (unsigned int idx = 0; idx<nbytes;idx++)
{
tcpClient.print(buf[idx]);
}
}// while
//Close file
if (!FilePicture.close()) return FILE_CLOSE_ERROR;
return SUCCESS;
}
//从socket读
void TcpClient::read_cb(struct bufferevent *bev, void *arg)
{
TcpClient *pClient = (TcpClient *)arg;
const int MAX_LENGHT = 1024;
char cbData[MAX_LENGHT];
int n;
//读数据：bufferevent_read
//写数据：bufferevent_write
while (n = bufferevent_read(bev, cbData, MAX_LENGHT))
{
if (n <= 0)
break;
//处理接收到的数据
pClient->DealWithData(bev,cbData, n);
}
}
void TelnetServer::onClientComplete(TcpClient& client, bool succesfull)
{
if ( &client == curClient)
{
delete commandExecutor;
commandExecutor = nullptr;
curClient = nullptr;
debugf("TelnetServer onClientComplete %s", client.getRemoteIp().toString().c_str() );
}
else
{
debugf("Telnet server unconnected client close");
}
debugf("TelnetServer onClientComplete %s", client.getRemoteIp().toString().c_str() );
TcpServer::onClientComplete(client, succesfull);
}
void TcpServer::onClientComplete(TcpClient& client, bool succesfull)
{
activeClients--;
debugf("TcpSever onComplete : %s activeClients = %d\r\n",client.getRemoteIp().toString().c_str(),activeClients );
if (clientCompleteDelegate)
{
clientCompleteDelegate(client,succesfull);
}
}
void * TcpClient::handleRecvMsg(void *arg)
{
pthread_detach(pthread_self());
TcpClient *ptc = (TcpClient*)arg;
RecvStream recvstream,rs;
int i,r = 0;
while(1)
{
pthread_mutex_lock(&mutexRecvStream);
if(recvbuf.size <=0)
{
pthread_cond_wait(&condRecv,&mutexRecvStream);
}
r = recvbuf.getDataFromBuf(recvstream.stream, &(recvstream.size));
pthread_mutex_unlock(&mutexRecvStream);
if(r)
{
for(int t=0; t<recvstream.size;t++)
printf("%02x ", recvstream.stream[t]);
printf("\n");
ptc->toOriginalMsg(recvstream.stream, recvstream.size, rs.stream, &rs.size);
i = ptc->checkCode(rs.stream, rs.size);
if(i<0)
{
continue;
}
if(i==1)
{
//parse msg
MsgHeader header;
header.fromStream(rs.stream);
switch(header.msgId)
{
case 0x8100: handleRegisterAck(&rs);break;
case 0x8001: handlePlatformAck(&rs);break;
default:break;
}
}
r=0;
}
}
return NULL;
}
int main(int argc, char** argv){
if (argc < 2) {
printf ("ERROR: Chamada incorreta.\nEscreva '<nome do programa> <endereço IP> <porta>'.\n");
return 0;
}
receivingBuffer = sendingBuffer = new char[512];
matrix clientMatrix;
TcpClient client;
client.connect (argv[1], atoi(argv[2]));
while (client.receive (receivingBuffer, textLength)) {
cout << receivingBuffer;
if (receivingBuffer[textLength-1] == ':'){
cin >> sendingBuffer;
client.send (sendingBuffer);
}
}
bool TcpServer::onClientReceive (TcpClient& client, char *data, int size)
{
debugf("TcpSever onReceive : %s, %d bytes \r\n",client.getRemoteIp().toString().c_str(),size );
debugf("Data : %s", data);
if (clientReceiveDelegate)
{
return clientReceiveDelegate(client, data, size);
}
return true;
}
bool TelnetServer::onClientReceive (TcpClient& client, char *data, int size)
{
debugf("TelnetServer onClientReceive : %s, %d bytes \r\n",client.getRemoteIp().toString().c_str(),size );
debugf("Data : %s", data);
if (commandExecutor)
{
commandExecutor->executorReceive(data,size);
}
return true;
}
int main(int argc, char** argv)
{
char ip[1024] = "192.168.0.50"; // Robot IP address
TcpClient connection;
MessageManager manager;
ros::init(argc, argv, "state_interface");
ros::NodeHandle n;
JointRelayHandler jr_handler(n);
ROS_INFO("Setting up client");
connection.init(ip, StandardSocketPorts::STATE);
connection.makeConnect();
jr_handler.init(&connection);
manager.init(&connection);
manager.add(&jr_handler);
manager.spin();
}
void Clients::on_notify()
{
uv_stream_t* stream;
while (this->receive_queue.try_pop(stream))
{
TcpClient *available = nullptr;
if (this->available_clients.try_pop(available))
stream->data = available;
if (available == nullptr)
available = new Client();
available->socket = reinterpret_cast<uv_tcp_t*>(stream);
stream->data = available;
stream->loop = &this->get_loop();
uv_read_start(stream, &alloc_buffer, &TcpClient::on_segment);
available->handle_connection();
LOG(INFO) << "Client " << static_cast<void*>(stream->data) << " connected";
}
}
void execute(){
vector<uchar> buff;
vector<int> param;
param.push_back(CV_IMWRITE_JPEG_QUALITY);
param.push_back(95);
string LOCALHOST="127.0.0.1";//ローカルホストのIPアドレス
int PORT=12345;//ポート番号
while(1){
pthread_testcancel(); // キャンセル要求が来ていたらここで終了
TcpClient client;
if(!client.Init(LOCALHOST,PORT)){
perror("connect server is failed.\n");
return;
}
pthread_mutex_lock(&(this->mutex)); // 優先権を保持するまで待機
cv::imencode(".jpg",frame,buff,param);
pthread_mutex_unlock(&(this->mutex)); // 優先権を破棄
vector<char> data;
vector<uchar>::iterator iterator = buff.begin();
while(iterator != buff.end()){
data.push_back(static_cast<char>(*iterator));
iterator++;
}
printf("data size is %lu\n",data.size());
int nSend=client.Write(data);//データ受信
printf("send size : %d\n",nSend);
}
}