2019-05-29 Fred Gleason <fredg@paravelsystems.com>

* Refactored caed(8) to eliminated arbitrary limit on number of client connections.
2026-01-13 08:05:55 +01:00 · 2019-05-29 18:00:58 -04:00
parent f6fa420cfd
commit c7b6322bc6
10 changed files with 1925 additions and 1534 deletions
--- a/cae/cae_server.h
+++ b/cae/cae_server.h
@@ -0,0 +1,119 @@
+// cae_server.h
+//
+// Network server for caed(8).
+//
+//   (C) Copyright 2019 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef CAE_SERVER_H
+#define CAE_SERVER_H
+
+#include <stdint.h>
+
+#include <qlist.h>
+#include <qmap.h>
+#include <qobject.h>
+#include <qsignalmapper.h>
+#include <qtcpserver.h>
+#include <qtcpsocket.h>
+
+#include <rdconfig.h>
+
+class CaeServerConnection
+{
+ public:
+  CaeServerConnection(QTcpSocket *sock);
+  ~CaeServerConnection();
+  QTcpSocket *socket;
+  bool authenticated;
+  QString accum;
+  uint16_t meter_port;
+  bool meters_enabled[RD_MAX_CARDS];
+};
+
+
+
+
+class CaeServer : public QObject
+{
+  Q_OBJECT;
+ public:
+  CaeServer(RDConfig *config,QObject *parent=0);
+  QList<int> connectionIds() const;
+  QHostAddress peerAddress(int id) const;
+  uint16_t peerPort(int id) const;
+  uint16_t meterPort(int id) const;
+  void setMeterPort(int id,uint16_t port);
+  bool metersEnabled(int id,unsigned card) const;
+  void setMetersEnabled(int id,unsigned card,bool state);
+  bool listen(const QHostAddress &addr,uint16_t port);
+  void sendCommand(const QString &cmd);
+  void sendCommand(int id,const QString &cmd);
+
+ signals:
+  void connectionDropped(int id);
+  void loadPlaybackReq(int id,unsigned card,const QString &name);
+  void unloadPlaybackReq(int id,unsigned handle);
+  void playPositionReq(int id,unsigned handle,unsigned pos);
+  void playReq(int id,unsigned handle,unsigned length,unsigned speed,unsigned pitch_flag);
+  void stopPlaybackReq(int id,unsigned handle);
+  void timescalingSupportReq(int id,unsigned card);
+  void loadRecordingReq(int id,unsigned card,unsigned port,unsigned coding,
+			unsigned channels,unsigned samprate,unsigned bitrate,
+			const QString &name);
+  void unloadRecordingReq(int id,unsigned card,unsigned stream);
+  void recordReq(int id,unsigned card,unsigned stream,unsigned len,
+		 int threshold_level);
+  void stopRecordingReq(int id,unsigned card,unsigned stream);
+  void setInputVolumeReq(int id,unsigned card,unsigned stream,int level);
+  void setOutputVolumeReq(int id,unsigned card,unsigned stream,unsigned port,
+			  int level);
+  void fadeOutputVolumeReq(int id,unsigned card,unsigned stream,unsigned port,
+			   int level,unsigned length);
+  void setInputLevelReq(int id,unsigned card,unsigned port,int level);
+  void setOutputLevelReq(int id,unsigned card,unsigned port,int level);
+  void setInputModeReq(int id,unsigned card,unsigned stream,unsigned mode);
+  void setOutputModeReq(int id,unsigned card,unsigned stream,unsigned mode);
+  void setInputVoxLevelReq(int id,unsigned card,unsigned stream,int level);
+  void setInputTypeReq(int id,unsigned card,unsigned port,unsigned type);
+  void getInputStatusReq(int id,unsigned card,unsigned port);
+  void setAudioPassthroughLevelReq(int id,unsigned card,unsigned input,
+				   unsigned output,int level);
+  void setClockSourceReq(int id,unsigned card,int input);
+  void setOutputStatusFlagReq(int id,unsigned card,unsigned port,
+			      unsigned stream,bool state);
+  void openRtpCaptureChannelReq(int id,unsigned card,unsigned port,uint16_t udp_port,
+				unsigned samprate,unsigned chans);
+  void jackConnectPortsReq(int id,const QString &out_name,const QString &in_name);
+  void jackDisconnectPortsReq(int id,const QString &out_name,const QString &in_name);
+  void meterEnableReq(int id,uint16_t udp_port,const QList<unsigned> &cards);
+
+ private slots:
+  void newConnectionData();
+  void readyReadData(int id);
+  void connectionClosedData(int id);
+
+ private:
+  void ProcessCommand(int id,const QString &cmd);
+  QMap<int,CaeServerConnection *> cae_connections;
+  QTcpServer *cae_server;
+  QSignalMapper *cae_ready_read_mapper;
+  QSignalMapper *cae_connection_closed_mapper;
+  RDConfig *cae_config;
+};
+
+
+#endif  // CAE_SERVER_H