zeus/tools/router/appl/Router.cpp

348 lines
9.5 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2016, Edouard DUPIN, all right reserved
* @license MPL v2.0 (see license file)
*/
#include <appl/Router.hpp>
#include <appl/debug.hpp>
#include <enet/TcpServer.hpp>
#include <etk/os/FSNode.hpp>
static std::string g_pathDBName = "USERDATA:router-database.json";
class UserAvaillable {
public:
std::string m_name;
std::string m_basePath;
bool m_accessMediaCenter;
FILE* m_subProcess;
};
std::vector<UserAvaillable> g_listUserAvaillable;
bool g_needToStore = false;
static void store_db() {
if (g_needToStore == false) {
return;
}
APPL_ERROR("Store database [START]");
ejson::Document database;
ejson::Array listUserArray;
database.add("users", listUserArray);
for (auto &it : g_listUserAvaillable) {
ejson::Object propObject;
listUserArray.add(propObject);
propObject.add("name", ejson::String(it.m_name));
propObject.add("path", ejson::String(it.m_basePath));
propObject.add("access-media-center", ejson::Boolean(it.m_accessMediaCenter));
}
bool retGenerate = database.storeSafe(g_pathDBName);
APPL_ERROR("Store database [STOP] : " << g_pathDBName << " ret = " << retGenerate);
g_needToStore = false;
}
static void load_db() {
ejson::Document database;
bool ret = database.load(g_pathDBName);
if (ret == false) {
APPL_WARNING(" ==> LOAD error");
}
g_listUserAvaillable.clear();
ejson::Array listUserArray = database["users"].toArray();
for (const auto itArray: listUserArray) {
ejson::Object userElement = itArray.toObject();
UserAvaillable userProperty;
userProperty.m_name = userElement["name"].toString().get();
userProperty.m_basePath = userElement["path"].toString().get();
userProperty.m_accessMediaCenter = userElement["access-media-center"].toBoolean().get();
APPL_INFO("find USER: '" << userProperty.m_name << "'");
g_listUserAvaillable.push_back(userProperty);
}
g_needToStore = false;
}
namespace appl {
class TcpServerInput {
private:
enet::TcpServer m_interface;
std::thread* m_thread;
bool m_threadRunning;
appl::Router* m_router;
bool m_service;
public:
TcpServerInput(appl::Router* _router, bool _service) :
m_thread(nullptr),
m_threadRunning(false),
m_router(_router),
m_service(_service) {
}
virtual ~TcpServerInput() {}
void start(const std::string& _host, uint16_t _port) {
m_interface.setHostNane(_host);
m_interface.setPort(_port);
m_interface.link();
m_threadRunning = true;
m_thread = new std::thread([&](void *){ this->threadCallback();}, nullptr);
if (m_thread == nullptr) {
m_threadRunning = false;
ZEUS_ERROR("creating callback thread!");
return;
}
}
void stop() {
if (m_thread != nullptr) {
m_threadRunning = false;
}
m_interface.unlink();
if (m_thread != nullptr) {
m_thread->join();
delete m_thread;
m_thread = nullptr;
}
}
void threadCallback() {
// get datas:
while (m_threadRunning == true) {
// READ section data:
enet::Tcp data = std::move(m_interface.waitNext());
ZEUS_VERBOSE("New connection");
if (m_service == true) {
m_router->newClientGateWay(std::move(data));
} else {
m_router->newClient(std::move(data));
}
}
}
};
}
void appl::Router::newClientGateWay(enet::Tcp _connection) {
ZEUS_WARNING("New TCP connection (service)");
ememory::SharedPtr<appl::GateWayInterface> tmp = ememory::makeShared<appl::GateWayInterface>(std::move(_connection), this);
tmp->start();
m_GateWayList.push_back(tmp);
}
void appl::Router::newClient(enet::Tcp _connection) {
ZEUS_WARNING("New TCP connection (client)");
ememory::SharedPtr<appl::ClientInterface> tmp = ememory::makeShared<appl::ClientInterface>(std::move(_connection), this);
tmp->start();
m_clientList.push_back(tmp);
}
appl::Router::Router() :
m_clientUID(2),
propertyClientIp(this, "client-ip", "127.0.0.1", "Ip to listen client", &appl::Router::onPropertyChangeClientIp),
propertyClientPort(this, "client-port", 1983, "Port to listen client", &appl::Router::onPropertyChangeClientPort),
propertyClientMax(this, "client-max", 8000, "Maximum of client at the same time", &appl::Router::onPropertyChangeClientMax),
propertyGateWayIp(this, "gw-ip", "127.0.0.1", "Ip to listen Gateway", &appl::Router::onPropertyChangeGateWayIp),
propertyGateWayPort(this, "gw-port", 1984, "Port to listen Gateway", &appl::Router::onPropertyChangeGateWayPort),
propertyGateWayMax(this, "gw-max", 8000, "Maximum of Gateway at the same time", &appl::Router::onPropertyChangeGateWayMax) {
m_interfaceClientServer = ememory::makeShared<appl::TcpServerInput>(this, false);
m_interfaceGateWayServer = ememory::makeShared<appl::TcpServerInput>(this, true);
load_db();
}
appl::Router::~Router() {
}
void appl::Router::start() {
m_interfaceClientServer->start(*propertyClientIp, *propertyClientPort);
m_interfaceGateWayServer->start(*propertyGateWayIp, *propertyGateWayPort);
}
void appl::Router::stop() {
// TODO : Stop all server ...
}
bool appl::Router::userIsConnected(const std::string& _userName) {
for (auto &it : m_GateWayList) {
if (it == nullptr) {
continue;
}
if (it->getName() != _userName) {
continue;
}
return true;
}
return false;
}
#include <iomanip>
#include <iostream>
#include <cstdio>
#include <unistd.h>
ememory::SharedPtr<appl::GateWayInterface> appl::Router::get(const std::string& _userName) {
// TODO : Start USer only when needed, not get it all time started...
for (auto &it : m_GateWayList) {
if (it == nullptr) {
continue;
}
if (it->getName() != _userName) {
continue;
}
return it;
}
// we not find the user ==> check if it is availlable ...
for (auto &it : g_listUserAvaillable) {
if (it.m_name == _userName) {
#if 0
// start interface:
std::string cmd = "~/dev/perso/out/Linux_x86_64/debug/staging/clang/zeus-package-base/zeus-package-base.app/bin/zeus-gateway";
cmd += " --user=" + it.m_name + " ";
cmd += " --srv=user";
cmd += " --srv=picture";
cmd += " --srv=video";
cmd += " --base-path=" + it.m_basePath;
cmd += " --elog-file=\"/tmp/zeus.gateway." + it.m_name + ".log\"";
cmd += "&";
APPL_ERROR("Start " << cmd);
it.m_subProcess = popen(cmd.c_str(), "r");
if (it.m_subProcess == nullptr) {
perror("popen");
return nullptr;
}
// just trash IO ...
//pclose(it.m_subProcess);
#else
if (fork()) {
// We're in the parent here.
// nothing to do ...
APPL_ERROR("Parent Execution ...");
} else {
// We're in the child here.
APPL_ERROR("Child Execution ...");
std::string binary = "/home/heero/dev/perso/out/Linux_x86_64/debug/staging/clang/zeus-package-base/zeus-package-base.app/bin/zeus-gateway";
std::string userConf = "--user=" + it.m_name;
std::string basePath = "--base-path=" + it.m_basePath;
#if 0
std::string logFile = "--elog-file=\"/tmp/zeus.gateway." + it.m_name + ".log\"";
#else
std::string logFile = it.m_basePath + "/log/gateway.log";
if ( logFile.size() != 0
&& logFile[0] == '~') {
logFile = etk::FSNodeGetHomePath() + &logFile[1];
}
logFile = "--elog-file=" + logFile;
//std::string logFile = "--elog-file=/home/heero/.local/share/zeus-DATA/SDFGHTHBSDFGSQDHZSRDFGSDFGSDFGSDFG/log/gateway.log";
//std::string logFile = " ";
APPL_INFO("New Child log in = " << logFile);
#endif
int ret = execlp( binary.c_str(),
binary.c_str(), // must repeate the binary name to have the name as first argument ...
userConf.c_str(),
"--srv=user",
"--srv=picture",
"--srv=video",
basePath.c_str(),
logFile.c_str(),
NULL);
APPL_ERROR("Child Execution ret = " << ret);
exit (-1);
APPL_ERROR("Must never appear ... child of fork killed ...");
}
#endif
std::this_thread::sleep_for(std::chrono::milliseconds(600));
APPL_ERROR("must be connected ???");
for (auto &it : m_GateWayList) {
if (it == nullptr) {
continue;
}
if (it->getName() != _userName) {
continue;
}
return it;
}
break;
}
}
return nullptr;
}
std::vector<std::string> appl::Router::getAllUserName() {
std::vector<std::string> out;
/*
for (auto &it : m_GateWayList) {
if (it == nullptr) {
continue;
}
out.push_back(it->getName());
}
*/
return out;
}
void appl::Router::cleanIO() {
store_db();
auto it = m_GateWayList.begin();
while (it != m_GateWayList.end()) {
if (*it != nullptr) {
if ((*it)->isAlive() == false) {
it = m_GateWayList.erase(it);
continue;
}
} else {
it = m_GateWayList.erase(it);
continue;
}
++it;
}
auto it2 = m_clientList.begin();
while (it2 != m_clientList.end()) {
if (*it2 != nullptr) {
if ((*it2)->isAlive() == false) {
(*it2)->stop();
it2 = m_clientList.erase(it2);
APPL_INFO("remove DONE ... ");
continue;
}
} else {
it2 = m_clientList.erase(it2);
continue;
}
++it2;
}
}
void appl::Router::onClientConnect(const bool& _value) {
ZEUS_TODO("Client connection: " << _value);
}
void appl::Router::onServiceConnect(const bool& _value) {
ZEUS_TODO("Service connection: " << _value);
}
void appl::Router::onPropertyChangeClientIp() {
}
void appl::Router::onPropertyChangeClientPort() {
}
void appl::Router::onPropertyChangeClientMax() {
}
void appl::Router::onPropertyChangeGateWayIp() {
}
void appl::Router::onPropertyChangeGateWayPort() {
}
void appl::Router::onPropertyChangeGateWayMax() {
}