zeus/jus/Client.cpp

321 lines
8.7 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2016, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#include <enet/TcpClient.h>
#include <jus/Client.h>
#include <jus/debug.h>
#include <unistd.h>
jus::Client::Client() :
propertyIp(this, "ip", "127.0.0.1", "Ip to connect server", &jus::Client::onPropertyChangeIp),
propertyPort(this, "port", 1983, "Port to connect server", &jus::Client::onPropertyChangePort),
m_interfaceMode(jus::connectionMode::modeJson),
m_id(1) {
m_interfaceClient.connect(this, &jus::Client::onClientData);
}
jus::Client::~Client() {
}
void jus::Client::onClientData(std::string _value) {
JUS_DEBUG("Get answer : " << _value);
ejson::Object obj(_value);
jus::FutureBase future;
uint64_t tid = obj["id"].toNumber().get();
if (tid == 0) {
if (obj["error"].toString().get() == "PROTOCOL-ERROR") {
JUS_ERROR("Get a Protocol error ...");
std::unique_lock<std::mutex> lock(m_mutex);
for (auto &it : m_pendingCall) {
if (it.isValid() == false) {
continue;
}
it.setAnswer(obj);
}
m_pendingCall.clear();
} else {
JUS_ERROR("call with no ID ==> error ...");
}
return;
}
{
std::unique_lock<std::mutex> lock(m_mutex);
auto it = m_pendingCall.begin();
while (it != m_pendingCall.end()) {
if (it->isValid() == false) {
it = m_pendingCall.erase(it);
continue;
}
if (it->getTransactionId() != tid) {
++it;
continue;
}
future = *it;
break;
}
}
if (future.isValid() == false) {
JUS_TODO("manage this event better ...");
//m_newData.push_back(std::move(_value));
return;
}
bool ret = future.setAnswer(obj);
if (ret == true) {
std::unique_lock<std::mutex> lock(m_mutex);
auto it = m_pendingCall.begin();
while (it != m_pendingCall.end()) {
if (it->isValid() == false) {
it = m_pendingCall.erase(it);
continue;
}
if (it->getTransactionId() != tid) {
++it;
continue;
}
it = m_pendingCall.erase(it);
break;
}
}
}
jus::ServiceRemote jus::Client::getService(const std::string& _name) {
return jus::ServiceRemote(this, _name);
}
int32_t jus::Client::link(const std::string& _serviceName) {
// TODO : Check the number of connection of this service ...
jus::Future<int32_t> ret = call("link", _serviceName);
ret.wait();
if (ret.hasError() == true) {
JUS_WARNING("Can not link with the service named: '" << _serviceName << "' ==> link error");
return false;
}
return ret.get();
}
bool jus::Client::unlink(const uint32_t& _serviceId) {
jus::Future<bool> ret = call("unlink", _serviceId);
ret.wait();
if (ret.hasError() == true) {
JUS_WARNING("Can not unlink with the service id: '" << _serviceId << "' ==> link error");
return false;
}
return ret.get();
}
std::string jus::Client::asyncRead() {
if (m_interfaceClient.isActive() == false) {
return "";
}
int32_t iii = 5000;
while (iii>0) {
usleep(10000);
if (m_newData.size() != 0) {
break;
}
--iii;
}
if (iii == 0) {
// Time-out ...
return "";
}
std::string out;
out = std::move(m_newData[0]);
m_newData.erase(m_newData.begin());
JUS_DEBUG("get async data: " << out);
return out;
}
void jus::Client::onPropertyChangeIp() {
disconnect();
}
void jus::Client::onPropertyChangePort(){
disconnect();
}
bool jus::Client::connect(const std::string& _remoteUserToConnect){
disconnect();
JUS_DEBUG("connect [START]");
enet::Tcp connection = std::move(enet::connectTcpClient(*propertyIp, *propertyPort));
m_interfaceClient.setInterface(std::move(connection));
m_interfaceClient.connect();
// Force mode binary:
jus::Future<bool> retBin = call("setMode", "BIN").wait();
if (retBin.get() == true) {
m_interfaceMode = jus::connectionMode::modeBinary;
JUS_INFO("Connection jump in BINARY ...");
} else {
// stay in JSON
}
jus::Future<bool> ret = call("connectToUser", _remoteUserToConnect, "jus-client");
ret.wait();
if (ret.hasError() == true) {
JUS_WARNING("Can not connect to user named: '" << _remoteUserToConnect << "' ==> return error");
return false;
}
return ret.get();
}
void jus::Client::disconnect() {
JUS_DEBUG("disconnect [START]");
m_interfaceClient.disconnect();
JUS_DEBUG("disconnect [STOP]");
}
uint64_t jus::Client::getId() {
return m_id++;
}
class SendAsyncJson {
private:
std::vector<jus::ActionAsyncClient> m_async;
uint64_t m_transactionId;
uint32_t m_serviceId;
uint32_t m_partId;
public:
SendAsyncJson(uint64_t _transactionId, const uint32_t& _serviceId, const std::vector<jus::ActionAsyncClient>& _async) :
m_async(_async),
m_transactionId(_transactionId),
m_serviceId(_serviceId),
m_partId(1) {
}
bool operator() (jus::TcpString* _interface){
auto it = m_async.begin();
while (it != m_async.end()) {
bool ret = (*it)(_interface, m_serviceId, m_transactionId, m_partId);
if (ret == true) {
// Remove it ...
it = m_async.erase(it);
} else {
++it;
}
m_partId++;
}
if (m_async.size() == 0) {
ejson::Object obj;
if (m_serviceId != 0) {
obj.add("service", ejson::Number(m_serviceId));
}
obj.add("id", ejson::Number(m_transactionId));
obj.add("part", ejson::Number(m_partId));
obj.add("finish", ejson::Boolean(true));
JUS_DEBUG("Send JSON '" << obj.generateHumanString() << "'");
_interface->write(obj.generateMachineString());
return true;
}
return false;
}
};
jus::FutureBase jus::Client::callJson(uint64_t _transactionId,
ejson::Object _obj,
const std::vector<ActionAsyncClient>& _async,
jus::FutureData::ObserverFinish _callback,
const uint32_t& _serviceId) {
JUS_VERBOSE("Send JSON [START] ");
if (m_interfaceClient.isActive() == false) {
ejson::Object obj;
obj.add("error", ejson::String("NOT-CONNECTED"));
obj.add("error-help", ejson::String("Client interface not connected (no TCP)"));
return jus::FutureBase(_transactionId, true, obj, _callback);
}
jus::FutureBase tmpFuture(_transactionId, _callback);
{
std::unique_lock<std::mutex> lock(m_mutex);
m_pendingCall.push_back(tmpFuture);
}
if (_async.size() != 0) {
_obj.add("part", ejson::Number(0));
}
JUS_DEBUG("Send JSON '" << _obj.generateHumanString() << "'");
m_interfaceClient.write(_obj.generateMachineString());
if (_async.size() != 0) {
m_interfaceClient.addAsync(SendAsyncJson(_transactionId, _serviceId, _async));
}
JUS_VERBOSE("Send JSON [STOP]");
return tmpFuture;
}
class SendAsyncBinary {
private:
std::vector<jus::ActionAsyncClient> m_async;
uint64_t m_transactionId;
uint32_t m_serviceId;
uint32_t m_partId;
public:
SendAsyncBinary(uint64_t _transactionId, const uint32_t& _serviceId, const std::vector<jus::ActionAsyncClient>& _async) :
m_async(_async),
m_transactionId(_transactionId),
m_serviceId(_serviceId),
m_partId(1) {
}
bool operator() (jus::TcpString* _interface){
auto it = m_async.begin();
while (it != m_async.end()) {
bool ret = (*it)(_interface, m_serviceId, m_transactionId, m_partId);
if (ret == true) {
// Remove it ...
it = m_async.erase(it);
} else {
++it;
}
m_partId++;
}
if (m_async.size() == 0) {
jus::Buffer obj;
obj.setServiceId(m_serviceId);
obj.setTransactionId(m_transactionId);
obj.setPartId(m_partId);
obj.setPartFinish(true);
JUS_DEBUG("Send BINARY '" << obj.generateHumanString() << "'");
_interface->writeBinary(obj);
return true;
}
return false;
}
};
jus::FutureBase jus::Client::callBinary(uint64_t _transactionId,
jus::Buffer& _obj,
const std::vector<ActionAsyncClient>& _async,
jus::FutureData::ObserverFinish _callback,
const uint32_t& _serviceId) {
JUS_VERBOSE("Send Binary [START] ");
if (m_interfaceClient.isActive() == false) {
jus::Buffer obj;
JUS_TODO("SEt error answer ...");
//obj.add("error", ejson::String("NOT-CONNECTED"));
//obj.add("error-help", ejson::String("Client interface not connected (no TCP)"));
return jus::FutureBase(_transactionId, true, obj, _callback);
}
jus::FutureBase tmpFuture(_transactionId, _callback);
{
std::unique_lock<std::mutex> lock(m_mutex);
m_pendingCall.push_back(tmpFuture);
}
if (_async.size() != 0) {
_obj.setPartFinish(false);
} else {
_obj.setPartFinish(true);
}
JUS_DEBUG("Send Binary '" << _obj.generateHumanString() << "'");
m_interfaceClient.writeBinary(_obj);
if (_async.size() != 0) {
m_interfaceClient.addAsync(SendAsyncBinary(_transactionId, _serviceId, _async));
}
JUS_VERBOSE("Send Binary [STOP]");
return tmpFuture;
}