void FastCGIServer::start() {
// It's not safe to call this function more than once
m_socket.reset(new folly::AsyncServerSocket(m_worker.getEventBase()));
try {
m_socket->bind(m_socketConfig.bindAddress);
} catch (const std::system_error& ex) {
LOG(ERROR) << ex.what();
if (m_socketConfig.bindAddress.getFamily() == AF_UNIX) {
throw FailedToListenException(m_socketConfig.bindAddress.getPath());
}
throw FailedToListenException(m_socketConfig.bindAddress.getAddressStr(),
m_socketConfig.bindAddress.getPort());
}
if (m_socketConfig.bindAddress.getFamily() == AF_UNIX) {
auto path = m_socketConfig.bindAddress.getPath();
chmod(path.c_str(), 0760);
}
m_acceptor.reset(new FastCGIAcceptor(m_socketConfig, this));
m_acceptor->init(m_socket.get(), m_worker.getEventBase());
m_worker.getEventBase()->runInEventBaseThread([&] {
if (!m_socket) {
// Someone called stop before we got here. With the exception of a
// second call to start being made this should be safe as any place
// we mutate m_socket is done within the event base.
return;
}
m_socket->listen(m_socketConfig.acceptBacklog);
m_socket->startAccepting();
});
setStatus(RunStatus::RUNNING);
folly::AsyncTimeout::attachEventBase(m_worker.getEventBase());
m_worker.start();
m_dispatcher.start();
}
void LibEventServerWithTakeover::start() {
if (m_server_ssl) {
// Set a flag to prevent parent class from trying to listen to ssl
// before the old server releases the port
m_accept_sock_ssl = -2;
}
LibEventServer::start();
if (m_took_over) {
Logger::Info("takeover: requesting shutdown of satellites");
// Use AFDT to synchronously shut down the old server's satellites
// so we can take their ports using accept. The main server will be
// stopped asynchronously.
uint8_t shutdown_request[3] = P_VERSION C_TERM_REQ;
uint8_t shutdown_response[3] = {0,0,0};
uint32_t response_len = sizeof(shutdown_response);
int should_not_receive_fd;
afdt_error_t err = AFDT_ERROR_T_INIT;
// TODO(dreiss): Make this timeout configurable.
// We can aford to wait a long time here, since we've already started
// the dispatcher for this server. We want to give the old server
// plenty of time to shut down all of its satellite servers.
struct timeval timeout = { 10 , 0 };
int ret = afdt_sync_client(
m_transfer_fname.c_str(),
shutdown_request,
sizeof(shutdown_request) - 1,
shutdown_response,
&response_len,
&should_not_receive_fd,
&timeout,
&err);
if (ret < 0) {
fd_transfer_error_hander(&err, nullptr);
Logger::Warning("Failed to shut-down old server with AFDT.");
// The higher-level start logic will try *very* hard to recover from this.
}
String resp((const char*)shutdown_response, response_len, CopyString);
if (resp != P_VERSION C_TERM_OK) {
Logger::Error(
"Old server could not shut down: "
"response = '%s'",
StringUtil::CEncode(resp, null_string).data());
} else {
Logger::Info("takeover: old satellites have shut down");
}
}
if (m_server_ssl) {
if (getAcceptSocketSSL() != 0) {
Logger::Error("Fail to listen on ssl port %d", m_port_ssl);
throw FailedToListenException(m_address, m_port_ssl);
}
Logger::Info("Listen on ssl port %d",m_port_ssl);
}
setupFdServer();
}
void LibEventServer::start() {
if (getStatus() == RunStatus::RUNNING) return;
if (getAcceptSocket() != 0) {
throw FailedToListenException(m_address, m_port);
}
if (m_server_ssl != nullptr) {
if (getAcceptSocketSSL() != 0) {
Logger::Error("Fail to listen on ssl port %d", m_port_ssl);
throw FailedToListenException(m_address, m_port_ssl);
}
Logger::Info("Listen on ssl port %d",m_port_ssl);
}
setStatus(RunStatus::RUNNING);
m_dispatcher.start();
m_dispatcherThread.start();
}
void LibEventServer::start() {
if (getStatus() == RUNNING) return;
if (getAcceptSocket() != 0) {
throw FailedToListenException(m_address, m_port);
}
setStatus(RUNNING);
m_dispatcher.start();
m_dispatcherThread.start();
m_timeoutThread.start();
}
void LibEventServer::start() {
if (getStatus() == RunStatus::RUNNING) return;
if (getAcceptSocket() != 0) {
throw FailedToListenException(m_address, m_port);
}
if (m_server_ssl != nullptr && m_accept_sock_ssl != -2) {
// m_accept_sock_ssl here serves as a flag to indicate whether it is
// called from subclass (LibEventServerWithTakeover). If it is (==-2)
// we delay the getAcceptSocketSSL();
if (getAcceptSocketSSL() != 0) {
Logger::Error("Fail to listen on ssl port %d", m_port_ssl);
throw FailedToListenException(m_address, m_port_ssl);
}
Logger::Info("Listen on ssl port %d",m_port_ssl);
}
setStatus(RunStatus::RUNNING);
m_dispatcher.start();
m_dispatcherThread.start();
}
void ProxygenServer::start() {
m_httpServerSocket.reset(new AsyncServerSocket(m_worker.getEventBase()));
bool needListen = true;
auto failedToListen = [](const std::exception& ex,
const folly::SocketAddress& addr) {
Logger::Error("failed to listen: %s", ex.what());
throw FailedToListenException(addr.getAddressStr(), addr.getPort());
};
try {
if (m_accept_sock >= 0) {
Logger::Info("inheritfd: using inherited fd %d for server",
m_accept_sock);
m_httpServerSocket->useExistingSocket(m_accept_sock);
} else {
// make it possible to quickly reuse the port
m_httpServerSocket->setReusePortEnabled(RuntimeOption::StopOldServer);
m_httpServerSocket->bind(m_httpConfig.bindAddress);
}
} catch (const std::system_error& ex) {
bool takoverSucceeded = false;
if (ex.code().value() == EADDRINUSE &&
m_takeover_agent) {
m_accept_sock = m_takeover_agent->takeover();
if (m_accept_sock >= 0) {
Logger::Info("takeover: using takeover fd %d for server",
m_accept_sock);
m_httpServerSocket->useExistingSocket(m_accept_sock);
needListen = false;
m_takeover_agent->requestShutdown();
takoverSucceeded = true;
}
}
if (!takoverSucceeded) {
failedToListen(ex, m_httpConfig.bindAddress);
}
}
if (m_takeover_agent) {
m_takeover_agent->setupFdServer(m_worker.getEventBase()->getLibeventBase(),
m_httpServerSocket->getSocket(), this);
}
m_httpAcceptor.reset(new HPHPSessionAcceptor(m_httpConfig, this));
m_httpAcceptor->init(m_httpServerSocket.get(), m_worker.getEventBase());
if (m_httpsConfig.isSSL()) {
m_httpsServerSocket.reset(new AsyncServerSocket(m_worker.getEventBase()));
try {
if (m_accept_sock_ssl >= 0) {
Logger::Info("inheritfd: using inherited fd %d for ssl",
m_accept_sock_ssl);
m_httpsServerSocket->useExistingSocket(m_accept_sock_ssl);
} else {
m_httpsServerSocket->setReusePortEnabled(RuntimeOption::StopOldServer);
m_httpsServerSocket->bind(m_httpsConfig.bindAddress);
}
} catch (const TTransportException& ex) {
failedToListen(ex, m_httpsConfig.bindAddress);
}
m_httpsAcceptor.reset(new HPHPSessionAcceptor(m_httpsConfig, this));
try {
m_httpsAcceptor->init(m_httpsServerSocket.get(), m_worker.getEventBase());
} catch (const std::exception& ex) {
// Could be some cert thing
failedToListen(ex, m_httpsConfig.bindAddress);
}
}
if (needListen) {
try {
m_httpServerSocket->listen(m_httpConfig.acceptBacklog);
} catch (const std::system_error& ex) {
failedToListen(ex, m_httpConfig.bindAddress);
}
}
if (m_httpsServerSocket) {
try {
m_httpsServerSocket->listen(m_httpsConfig.acceptBacklog);
} catch (const std::system_error& ex) {
failedToListen(ex, m_httpsConfig.bindAddress);
}
}
m_httpServerSocket->startAccepting();
if (m_httpsServerSocket) {
m_httpsServerSocket->startAccepting();
}
startConsuming(m_worker.getEventBase(), &m_responseQueue);
setStatus(RunStatus::RUNNING);
folly::AsyncTimeout::attachEventBase(m_worker.getEventBase());
m_worker.start();
m_dispatcher.start();
}
