***************************************************************************/
#include <logger.h>
+#include <set>
#include "corenetwork.h"
#include "identserver.h"
-IdentServer::IdentServer(bool strict, QObject *parent) : QObject(parent), _strict(strict) {
+IdentServer::IdentServer(bool strict, QObject *parent) : QObject(parent), _strict(strict), _socketId(0), _requestId(0) {
connect(&_server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
connect(&_v6server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
}
IdentServer::~IdentServer() = default;
bool IdentServer::startListening() {
- uint16_t port = 10113;
+ uint16_t port = Quassel::optionValue("ident-port").toUShort();
bool success = false;
if (_v6server.listen(QHostAddress("::1"), port)) {
}
void IdentServer::respond() {
- auto *socket = qobject_cast<QTcpSocket *>(sender());
+ QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
Q_ASSERT(socket);
- if (socket->canReadLine()) {
- QByteArray s = socket->readLine();
- if (s.endsWith("\r\n"))
- s.chop(2);
- else if (s.endsWith("\n"))
- s.chop(1);
+ qint64 transactionId = _socketId;
- QList<QByteArray> split = s.split(',');
+ if (!socket->canReadLine()) {
+ return;
+ }
- bool success = false;
+ QByteArray query = socket->readLine();
+ if (query.endsWith("\r\n"))
+ query.chop(2);
+ else if (query.endsWith("\n"))
+ query.chop(1);
- uint16_t localPort;
- if (!split.empty()) {
- localPort = split[0].toUShort(&success, 10);
- }
+ QList<QByteArray> split = query.split(',');
- QString user;
- if (success) {
- if (_connections.contains(localPort)) {
- user = _connections[localPort];
- } else {
- success = false;
- }
- }
+ bool success = false;
- QString data;
- if (success) {
- data += s + " : USERID : Quassel : " + user + "\r\n";
- } else {
- data += s + " : ERROR : NO-USER\r\n";
- }
+ quint16 localPort = 0;
+ if (!split.empty()) {
+ localPort = split[0].trimmed().toUShort(&success, 10);
+ }
+
+ Request request{socket, localPort, query, transactionId, _requestId++};
+ if (!success) {
+ responseUnavailable(request);
+ } else if (responseAvailable(request)) {
+ // success
+ } else if (lowestSocketId() < transactionId) {
+ _requestQueue.emplace_back(request);
+ } else {
+ responseUnavailable(request);
+ }
+}
- socket->write(data.toUtf8());
- socket->flush();
- socket->close();
- socket->deleteLater();
+bool IdentServer::responseAvailable(Request request) {
+ if (!_connections.contains(request.localPort)) {
+ return false;
}
+
+ QString user = _connections[request.localPort];
+ QString data = request.query + " : USERID : Quassel : " + user + "\r\n";
+
+ request.socket->write(data.toUtf8());
+ request.socket->flush();
+ request.socket->close();
+
+ return true;
+}
+
+void IdentServer::responseUnavailable(Request request) {
+ QString data = request.query + " : ERROR : NO-USER\r\n";
+
+ request.socket->write(data.toUtf8());
+ request.socket->flush();
+ request.socket->close();
}
bool IdentServer::addSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort,
- const QHostAddress &peerAddress, quint16 peerPort) {
+ const QHostAddress &peerAddress, quint16 peerPort, qint64 socketId) {
Q_UNUSED(localAddress)
Q_UNUSED(peerAddress)
Q_UNUSED(peerPort)
const CoreNetwork *network = qobject_cast<CoreNetwork *>(sender());
_connections[localPort] = network->coreSession()->strictCompliantIdent(identity);;
+ processWaiting(socketId);
return true;
}
-//! not yet implemented
bool IdentServer::removeSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort,
- const QHostAddress &peerAddress, quint16 peerPort) {
+ const QHostAddress &peerAddress, quint16 peerPort, qint64 socketId) {
Q_UNUSED(identity)
Q_UNUSED(localAddress)
Q_UNUSED(peerAddress)
Q_UNUSED(peerPort)
_connections.remove(localPort);
+ processWaiting(socketId);
return true;
}
+
+qint64 IdentServer::addWaitingSocket() {
+ qint64 newSocketId = _socketId++;
+ _waiting.push_back(newSocketId);
+ return newSocketId;
+}
+
+qint64 IdentServer::lowestSocketId() {
+ if (_waiting.empty()) {
+ return std::numeric_limits<qint64>::max();
+ }
+
+ return _waiting.front();
+}
+
+void IdentServer::removeWaitingSocket(qint64 socketId) {
+ _waiting.remove(socketId);
+}
+
+void IdentServer::processWaiting(qint64 socketId) {
+ removeWaitingSocket(socketId);
+ _requestQueue.remove_if([=](Request request) {
+ if (socketId < request.transactionId && responseAvailable(request)) {
+ return true;
+ } else if (lowestSocketId() < request.transactionId) {
+ return false;
+ } else {
+ responseUnavailable(request);
+ return true;
+ }
+ });
+}
+
+bool operator==(const Request &a, const Request &b) {
+ return a.requestId == b.requestId;
+}