void exitHandle(int signal) {
// Close socket.
udp_socket->close();
// Destroy Core.
xdl::destroyCore(core);
exit(0);
}
int main(int argc, char* argv[]) {
// Let's register the CTRL + c signal handler.
if(signal(SIGINT, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGINT handler." << std::endl;
return -1;
}
// Register termination handler.
if(signal(SIGTERM, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGTERM handler." << std::endl;
return -1;
}
// Create the core system.
if(xdl::createCore(&core, argc, argv, xdl::XdevLFileName("udp_client_demo.xml")) != xdl::ERR_OK) {
return xdl::ERR_ERROR;
}
// Get the instance to the socket module.
udp_socket = xdl::getModule<xdl::XdevLUDPSocket2*>(core, xdl::XdevLID("MyUDPSocket"));
if(!udp_socket) {
return xdl::ERR_ERROR;
}
if(udp_socket->connect(xdl::XdevLHostName("localhost"), xdl::XdevLPort(4321)) != xdl::ERR_OK)
return xdl::ERR_ERROR;
myNetworkData data;
while(run) {
data.request = REQ_GETTIME;
if(udp_socket->write((xdl::xdl_uint8*)&data, sizeof(myNetworkData)) != sizeof(myNetworkData)) {
std::cerr << "Couldn't send request: " << udp_socket->getError() << std::endl;
}
if(udp_socket->read((xdl::xdl_uint8*)&data, sizeof(myNetworkData)) == sizeof(myNetworkData)) {
std::cout << "XdevLCore server time: " << data.time << "\r" << std::flush;
}
}
// Close socket.
udp_socket->close();
// Destroy the Core.
xdl::destroyCore(core);
return 0;
}
int main(int argc, char* argv[]) {
// Let's register the CTRL + c signal handler.
if(signal(SIGINT, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGINT handler." << std::endl;
return -1;
}
// Register termination handler.
if(signal(SIGTERM, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGTERM handler." << std::endl;
return -1;
}
// Create the core system.
auto result = xdl::createCore(&core, argc, argv);
if(xdl::RET_SUCCESS != result) {
return result;
}
// Plug the XdevLNetwork plugins into the core.
result = xdl::plug(core, xdl::XdevLPluginName("XdevLNetwork"), xdl::XdevLVersion(0, 6, 0));
if(xdl::RET_SUCCESS != result) {
return result;
}
// Create the UDP socket object.
udp_socket = xdl::createModule<xdl::XdevLUDPSocket2*>(core, xdl::XdevLModuleName("XdevLUDPSocket2"), xdl::XdevLID("MyUDPSocket"));
if(xdl::isModuleNotValid(udp_socket)) {
return xdl::RET_FAILED;
}
result = udp_socket->connect(xdl::XdevLHostName("localhost"), xdl::XdevLPort(8000));
if(xdl::RET_SUCCESS != result) {
return result;
}
// Create an array declaration. It describes the structure of the array.
xdl::XdevLArrayDeclaration arrayDecl;
arrayDecl.add(xdl::ARRAY_FLOAT_ELEMENT);
arrayDecl.add(xdl::ARRAY_UINT16_ELEMENT);
arrayDecl.add(xdl::ARRAY_DOUBLE_ELEMENT);
arrayDecl.add(xdl::ARRAY_UINT8_ELEMENT);
arrayDecl.add(xdl::ARRAY_UINT16_ELEMENT);
// Create an array to store the data.
std::array<xdl::xdl_uint8, 64> dataToTransfer {{0}};
while(true) {
// This class helps us to add values into the array.
xdl::XdevLArrayModifier arrayModifier(dataToTransfer.data(), 64);
// Put some values into the array.
arrayModifier.write<xdl::xdl_float>(10.123f);
arrayModifier.write<xdl::xdl_uint16>(20);
arrayModifier.write<xdl::xdl_double>(30.9394);
arrayModifier.write<xdl::xdl_uint8>(1);
arrayModifier.write<xdl::xdl_uint16>(40);
// Send the stuff.
udp_socket->sendArray((xdl::xdl_uint8*)dataToTransfer.data(), arrayDecl);
// Wait a bit
// xdl::sleep(0.01);
}
udp_socket->close();
// Destroy Core.
xdl::destroyCore(core);
return 0;
}
int main(int argc, char* argv[]) {
// Let's register the CTRL + c signal handler.
if(signal(SIGINT, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGINT handler." << std::endl;
return -1;
}
// Register termination handler.
if(signal(SIGTERM, exitHandle) == SIG_ERR) {
std::cerr << "Failed to set SIGTERM handler." << std::endl;
return -1;
}
// Create the core system.
if(xdl::createCore(&core) != xdl::ERR_OK) {
return xdl::ERR_ERROR;
}
// Plug the XdevLNetwork plugins into the core.
if(xdl::plug(core, xdl::XdevLPluginName("XdevLNetwork"), xdl::XdevLVersion(1, 0, 0)) != xdl::ERR_OK) {
return xdl::ERR_ERROR;
}
// Create the UDP socket object.
udp_socket = xdl::createModule<xdl::XdevLUDPSocket2*>(core, xdl::XdevLModuleName("XdevLUDPSocket2"), xdl::XdevLID("MyUDPSocket"));
if(!udp_socket) {
return xdl::ERR_ERROR;
}
if(udp_socket->bind(xdl::XdevLPort(4321)) != xdl::ERR_OK) {
std::cout << "Can't bind socket.\n";
return xdl::ERR_ERROR;
}
// We need an array declaration because this will be send with the data. Using
// this we will know how the send structure will look like.
xdl::XdevLArrayDeclaration arrayDecl;
std::array<xdl::xdl_uint8, 64> dataReceived {{0}};
xdl::XdevLTimer timer;
while(true) {
timer.setT1();
auto ret = 0;
// Read incomming data.
if((ret = udp_socket->receiveArray((xdl::xdl_uint8*)dataReceived.data(), arrayDecl)) != -1) {
// This class helps us to read values from and array.
xdl::XdevLArrayModifier buffer(dataReceived.data(), ret);
// Iterate through all elements.
for(auto& declaration : arrayDecl) {
switch(declaration.element) {
case xdl::ARRAY_DOUBLE_ELEMENT: {
std::cout << "xdl_double: " << buffer.read<xdl::xdl_double>() << std::endl;
}
break;
case xdl::ARRAY_FLOAT_ELEMENT: {
std::cout << "xdl_float: " << buffer.read<xdl::xdl_float>() << std::endl;
}
break;
case xdl::ARRAY_INT32_ELEMENT: {
std::cout << "xdl_int32: " << buffer.read<xdl::xdl_int32>() << std::endl;
}
break;
case xdl::ARRAY_UINT32_ELEMENT: {
std::cout << "xdl_uint32: " << buffer.read<xdl::xdl_uint32>() << std::endl;
}
break;
case xdl::ARRAY_INT16_ELEMENT: {
std::cout << "xdl_int16: " << buffer.read<xdl::xdl_int16>() << std::endl;
}
break;
case xdl::ARRAY_UINT16_ELEMENT: {
std::cout << "xdl_uint16: " << buffer.read<xdl::xdl_uint16>() << std::endl;
}
break;
case xdl::ARRAY_INT8_ELEMENT: {
std::cout << "xdl_int8: " << (xdl::xdl_int)buffer.read<xdl::xdl_int8>() << std::endl;
}
break;
case xdl::ARRAY_UINT8_ELEMENT: {
std::cout << "xdl_uint8: " << (xdl::xdl_int)buffer.read<xdl::xdl_uint8>() << std::endl;
}
break;
}
std::cout << std::endl;
}
}
timer.setT2();
std::cout << "Time: " << (timer.getT2T164()) << " us" << std::endl;
}
udp_socket->close();
// Destroy Core.
xdl::destroyCore(core);
return 0;
}