1854 lines
53 KiB
C++
1854 lines
53 KiB
C++
/**
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* wpcard.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Wanpipe PRI cards signalling and data driver
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2006 Null Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatephone.h>
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#include <yatesig.h>
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#ifdef _WINDOWS
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#error This module is not for Windows
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#else
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extern "C" {
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#define INVALID_HANDLE_VALUE (-1)
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#define __LINUX__
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#ifdef HAVE_WANPIPE_API
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#include <if_wanpipe.h>
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#include <wanpipe_defines.h>
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#include <wanpipe_cfg.h>
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#include <wanpipe.h>
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#include <sdla_aft_te1.h>
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#else
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#include <linux/if_wanpipe.h>
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#include <linux/if.h>
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#include <linux/wanpipe_defines.h>
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#include <linux/wanpipe_cfg.h>
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#include <linux/wanpipe.h>
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#include <linux/sdla_aft_te1.h>
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#endif
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#ifdef HAVE_WANPIPE_HWEC
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#include <wanec_iface.h>
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#ifdef HAVE_WANPIPE_HWEC_API
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#include <wanec_iface_api.h>
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#define WAN_EC_CMD_DTMF_ENABLE WAN_EC_API_CMD_DTMF_ENABLE
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#define WAN_EC_CMD_DTMF_DISABLE WAN_EC_API_CMD_DTMF_DISABLE
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#ifdef u_buffer_config
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#define HAVE_WANPIPE_HWEC_3310
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#endif
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#endif
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#ifndef WANEC_DEV_DIR
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#warning Incompatible echo canceller API, upgrade or configure --without-wphwec
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#undef HAVE_WANPIPE_HWEC
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#endif // WANEC_DEV_DIR
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#endif // HAVE_WANPIPE_HWEC
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};
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#define WP_HEADER 16
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#define WP_RD_ERROR 0
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#define WP_RD_STAMP_LO 1
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#define WP_RD_STAMP_HI 2
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#define WP_WR_TYPE 0
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#define WP_WR_FORCE 1
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#define WP_ERR_FIFO 0x01
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#define WP_ERR_CRC 0x02
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#define WP_ERR_ABORT 0x04
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// by default ignore ABORT and OVERFLOW conditions unrelated to current packet
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#define WP_ERR_MASK (0xff & ~(WP_ERR_FIFO|WP_ERR_ABORT))
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#define WP_RPT_REPEAT 0 // Repeat flag in header
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#define WP_RPT_LEN 1 // Repeated data length
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#define WP_RPT_DATA 2 // Repeated data offset in header
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#define WP_RPT_MAXDATA 8 // Max repeated data length
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#define MAX_PACKET 1200
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#define MAX_READ_ERRORS 250 // WpSpan::run(): Display read error message
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#define WPSOCKET_SELECT_TIMEOUT 125 // Value used in WpSocket::select() to timeout
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using namespace TelEngine;
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namespace { // anonymous
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class Fifo; // Circular queue for data consumer
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class WpSocket; // I/O for D and B channels
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class WpInterface; // Wanpipe D-channel (SignallingInterface)
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class WpSigThread; // D-channel read data
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class WpSource; // Data source
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class WpConsumer; // Data consumer
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class WpCircuit; // Single Wanpipe B-channel (SignallingCircuit)
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class WpSpan; // Wanpipe span B-channel group
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class WpSpanThread; // B-channel group read/write data
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class WpModule; // The driver
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// Implements a circular queue for data consumer
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class Fifo : public Mutex
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{
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public:
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inline Fifo(unsigned int buflen)
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: Mutex(true,"WPCard::Fifo"),
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m_buffer(0,buflen), m_head(0), m_tail(1)
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{}
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inline void clear() {
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m_head = 0;
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m_tail = 1;
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}
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// Put a byte in fifo, overwrite last byte if full
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// Return false on buffer overrun
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bool put(unsigned char value);
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// Put data buffer in fifo, one byte at a time
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// Return the number of overwritten bytes
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unsigned int put(const unsigned char* buf, unsigned int length);
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// Get a byte from fifo, return last read if empty
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unsigned char get();
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protected:
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unsigned char& operator[](unsigned int index)
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{ return ((unsigned char*)m_buffer.data())[index]; }
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private:
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DataBlock m_buffer;
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unsigned int m_head;
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unsigned int m_tail;
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};
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// I/O socket for WpInterface and WpSpan
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class WpSocket
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{
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public:
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// Link state enumeration
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enum LinkStatus {
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Connected, // Link up
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Disconnected, // Link down
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Connecting, // Link is connecting
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};
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WpSocket(DebugEnabler* dbg, const char* card = 0, const char* device = 0);
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inline ~WpSocket()
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{ close(); }
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inline LinkStatus status()
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{ return m_status; }
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inline bool valid() const
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{ return m_socket.valid(); }
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inline const String& card() const
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{ return m_card; }
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inline const String& device() const
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{ return m_device; }
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inline void card(const char* name)
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{ m_card = name; }
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inline void device(const char* name)
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{ m_device = name; }
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// Get/Set echo canceller availability
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inline bool echoCanAvail() const
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{ return m_echoCanAvail; }
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void echoCanAvail(bool val);
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// Set echo canceller and tone detection if available
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bool echoCancel(bool enable, unsigned long chanmap);
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// Set tone detection if available
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bool dtmfDetect(bool enable);
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inline bool canRead() const
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{ return m_canRead; }
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inline bool canWrite() const
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{ return m_canWrite; }
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inline bool event() const
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{ return m_event; }
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// Open socket. Return false on failure
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bool open(bool blocking);
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// Close socket
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void close();
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// Read data. Return -1 on failure
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int recv(void* buffer, int len, int flags = 0);
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// Send data. Return -1 on failure
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int send(const void* buffer, int len, int flags = 0);
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// Check socket. Set flags to the appropriate values on success
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// Return false on failure
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bool select(unsigned int multiplier, bool checkWrite = false);
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// Update the state of the link and return true if changed
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bool updateLinkStatus();
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protected:
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inline void showError(const char* action, const char* info = 0, int level = DebugWarn) {
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Debug(m_dbg,level,"WpSocket(%s/%s). %s failed%s. %d: %s [%p]",
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m_card.c_str(),m_device.c_str(),action,c_safe(info),
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m_socket.error(),::strerror(m_socket.error()),this);
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}
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private:
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DebugEnabler* m_dbg; // Debug enabler owning this socket
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LinkStatus m_status; // The state of the link
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Socket m_socket; // The socket
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String m_card; // Card name used to open socket
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String m_device; // Device name used to open socket
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bool m_echoCanAvail; // Echo canceller is available or not
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bool m_canRead; // Set by select(). Can read from socket
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bool m_canWrite; // Set by select(). Can write to socket
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bool m_event; // Set by select(). An event occurred
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bool m_readError; // Flag used to print read errors
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bool m_writeError; // Flag used to print write errors
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bool m_selectError; // Flag used to print select errors
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};
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// Wanpipe D-channel
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class WpInterface : public SignallingInterface
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{
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friend class WpSigThread;
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public:
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// Create an instance of WpInterface or WpSpan
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static SignallingComponent* create(const String& type, const NamedList& name);
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WpInterface(const NamedList& params);
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virtual ~WpInterface();
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// Initialize interface. Return false on failure
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bool init(const NamedList& config, NamedList& params);
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// Remove links. Dispose memory
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virtual void destruct()
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{ cleanup(true); }
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// Send signalling packet
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virtual bool transmitPacket(const DataBlock& packet, bool repeat, PacketType type);
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// Interface control
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virtual bool control(Operation oper, NamedList* params);
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// Update link status. Notify the receiver if state changed
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bool updateStatus();
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protected:
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virtual void timerTick(const Time& when);
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// Read data from socket
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bool receiveAttempt();
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private:
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inline void cleanup(bool release) {
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control(Disable,0);
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attach(0);
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if (release)
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RefObject::destruct();
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}
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WpSocket m_socket;
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WpSigThread* m_thread; // Thread used to read data from socket
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bool m_readOnly; // Readonly interface
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int m_notify; // Upper layer notification on received data (0: success. 1: not notified. 2: notified)
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int m_overRead; // Header extension
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unsigned char m_errorMask; // Error mask to filter received errors
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unsigned char m_lastError; // Last error seen
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bool m_sendReadOnly; // Print send attempt on readonly interface error
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SignallingTimer m_timerRxUnder; // RX underrun notification
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// Repeat packet
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bool m_repeatCapable; // HW repeat available
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Mutex m_repeatMutex; // Lock repeat buffer
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DataBlock m_repeatPacket; // Packet to repeat
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bool m_down;
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};
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// Read signalling data for WpInterface
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class WpSigThread : public Thread
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{
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friend class WpInterface;
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public:
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inline WpSigThread(WpInterface* iface, Priority prio = Normal)
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: Thread("Wp Interface",prio), m_interface(iface)
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{}
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virtual ~WpSigThread();
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virtual void run();
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private:
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WpInterface* m_interface;
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};
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// Wanpipe data source
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class WpSource : public DataSource
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{
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friend class WpCircuit;
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public:
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WpSource(WpCircuit* owner, const char* format, unsigned int bufsize);
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virtual ~WpSource();
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inline void changeFormat(const char* format)
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{ m_format = format; }
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// Add a byte to the source buffer
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void put(unsigned char c);
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protected:
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WpCircuit* m_owner; // B-channel owning this source
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DataBlock m_buffer; // Data buffer
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unsigned int m_bufpos; // First free byte's index
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unsigned int m_total;
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};
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// Wanpipe data consumer
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class WpConsumer : public DataConsumer, public Fifo
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{
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friend class WpCircuit;
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public:
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WpConsumer(WpCircuit* owner, const char* format, unsigned int bufsize);
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virtual ~WpConsumer();
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inline void changeFormat(const char* format)
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{ m_format = format; }
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virtual unsigned long Consume(const DataBlock& data, unsigned long tStamp, unsigned long flags);
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protected:
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WpCircuit* m_owner; // B-channel owning this consumer
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u_int32_t m_errorCount; // The number of times the fifo was full
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u_int32_t m_errorBytes; // The number of overwritten bytes in one session
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unsigned int m_total;
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};
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// Single Wanpipe B-channel
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class WpCircuit : public SignallingCircuit, public Mutex
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{
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public:
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WpCircuit(unsigned int code, SignallingCircuitGroup* group, WpSpan* data,
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unsigned int buflen, unsigned int channel);
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// Get circuit channel number inside its span
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unsigned int channel() const
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{ return m_channel; }
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virtual ~WpCircuit();
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virtual bool status(Status newStat, bool sync = false);
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virtual bool updateFormat(const char* format, int direction);
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virtual bool setParam(const String& param, const String& value);
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virtual void* getObject(const String& name) const;
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inline bool validSource()
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{ return 0 != m_sourceValid; }
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inline bool validConsumer()
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{ return 0 != m_consumerValid; }
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inline WpSource* source()
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{ return m_source; }
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inline WpConsumer* consumer()
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{ return m_consumer; }
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// Enqueue received events
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bool enqueueEvent(SignallingCircuitEvent* e);
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private:
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unsigned int m_channel; // Channel number inside span
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WpSource* m_sourceValid; // Circuit's source if reserved, otherwise: 0
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WpConsumer* m_consumerValid; // Circuit's consumer if reserved, otherwise: 0
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WpSource* m_source;
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WpConsumer* m_consumer;
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String m_specialMode;
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};
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// Wanpipe B-channel group
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class WpSpan : public SignallingCircuitSpan
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{
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friend class WpSpanThread;
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public:
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WpSpan(const NamedList& params, const char* debugname);
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virtual ~WpSpan();
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// Initialize data channel span. Return false on failure
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bool init(const NamedList& config, const NamedList& defaults, NamedList& params);
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// Swap data if necessary
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inline unsigned char swap(unsigned char c)
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{ return m_swap ? s_bitswap[c] : c; }
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// Data processor
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// Read events and data from socket. Send data when succesfully read
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// Received data is splitted for each circuit
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// Sent data from each circuit is merged into one data block
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void run();
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// Find a circuit by channel
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WpCircuit* find(unsigned int channel);
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protected:
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// Create circuits (all or nothing)
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// delta: number to add to each circuit code
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// cicList: Circuits to create
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bool createCircuits(unsigned int delta, const String& cicList);
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// Clear circuit vector safely
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void clearCircuits();
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// Check for received event (including in-band events)
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bool readEvent();
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// Read data from socket. Check for errors or in-band events
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// Return -1 on error
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int readData();
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// Decode received event
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bool decodeEvent();
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// Update link status. Enqueue an event in each circuit's queue on status change
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bool updateStatus();
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// Swapped bits table
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static unsigned char s_bitswap[256];
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private:
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WpSocket m_socket;
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WpSpanThread* m_thread;
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bool m_canSend; // Can send data (not a readonly span)
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bool m_swap; // Swap bits flag
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unsigned long m_chanMap; // Channel map used to set tone detector
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bool m_echoCancel; // Enable/disable echo canceller
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bool m_dtmfDetect; // Enable/disable tone detector
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unsigned int m_chans; // Total number of circuits for this span
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unsigned int m_count; // Circuit count
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unsigned int m_first; // First circuit code
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unsigned int m_samples; // Sample count
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unsigned int m_noData; // Value to send on idle channels
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unsigned int m_buflen; // Buffer length for sources/consumers
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// Used for data processing
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WpCircuit** m_circuits; // The circuits belonging to this span
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unsigned int m_readErrors; // Count data read errors
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unsigned char* m_buffer; // I/O data buffer
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unsigned int m_bufferLen; // I/O data buffer length
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};
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// B-channel group read/write data
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class WpSpanThread : public Thread
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{
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friend class WpSpan;
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public:
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inline WpSpanThread(WpSpan* data, Priority prio = Normal)
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: Thread("Wp Span",prio), m_data(data)
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{}
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virtual ~WpSpanThread();
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virtual void run();
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private:
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WpSpan* m_data;
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};
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// The module
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class WpModule : public Module
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{
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public:
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WpModule();
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~WpModule();
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virtual void initialize();
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private:
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bool m_init;
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};
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#define MAKE_NAME(x) { #x, WpSocket::x }
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static TokenDict s_linkStatus[] = {
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MAKE_NAME(Connected),
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MAKE_NAME(Disconnected),
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MAKE_NAME(Connecting),
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{0,0}
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};
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#undef MAKE_NAME
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YSIGFACTORY2(WpInterface);
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static Mutex s_ifaceNotify(true,"WPCard::notify"); // WpInterface: lock recv data notification counter
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static bool s_repeatCapable = true; // Global repeat packet capability
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static WpModule driver;
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static void sendModuleUpdate(bool& notifStat, int status, const String& device)
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{
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Message* msg = new Message("module.update");
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msg->addParam("module",driver.name());
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msg->addParam("interface",device);
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if(notifStat && status == SignallingInterface::LinkUp) {
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msg->addParam("notify","interfaceUp");
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notifStat = false;
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Engine::enqueue(msg);
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return;
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}
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if (!notifStat && status == SignallingInterface::LinkDown) {
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msg->addParam("notify","interfaceDown");
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notifStat = true;
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Engine::enqueue(msg);
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return;
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}
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TelEngine::destruct(msg);
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}
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/**
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* Fifo
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*/
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bool Fifo::put(unsigned char value)
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{
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(*this)[m_tail] = value;
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bool full = (m_head == m_tail);
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m_tail++;
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if (m_tail >= m_buffer.length())
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m_tail = 0;
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if (full)
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m_head = m_tail;
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return full;
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}
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unsigned int Fifo::put(const unsigned char* buf, unsigned int length)
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{
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lock();
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unsigned int errors = 0;
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while (length--)
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if (put(*buf++))
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errors++;
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unlock();
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return errors;
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}
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unsigned char Fifo::get()
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{
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unsigned char tmp = (*this)[m_head];
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unsigned int nh = m_head + 1;
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if (nh >= m_buffer.length())
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nh = 0;
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if (nh != m_tail)
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m_head = nh;
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return tmp;
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}
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/**
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* WpSocket
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*/
|
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WpSocket::WpSocket(DebugEnabler* dbg, const char* card, const char* device)
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: m_dbg(dbg),
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m_status(Disconnected),
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m_card(card),
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|
m_device(device),
|
|
#ifdef HAVE_WANPIPE_HWEC
|
|
m_echoCanAvail(true),
|
|
#else
|
|
m_echoCanAvail(false),
|
|
#endif
|
|
m_canRead(false),
|
|
m_canWrite(false),
|
|
m_event(false),
|
|
m_readError(false),
|
|
m_writeError(false),
|
|
m_selectError(false)
|
|
{
|
|
}
|
|
|
|
// Set echo canceller availability
|
|
void WpSocket::echoCanAvail(bool val)
|
|
{
|
|
#ifdef HAVE_WANPIPE_HWEC
|
|
m_echoCanAvail = val;
|
|
#endif
|
|
}
|
|
|
|
// Set echo canceller and tone detection if available
|
|
bool WpSocket::echoCancel(bool enable, unsigned long chanmap)
|
|
{
|
|
if (!m_echoCanAvail) {
|
|
Debug(m_dbg,DebugNote,
|
|
"WpSocket(%s/%s). Echo canceller is unavailable. Can't %s it [%p]",
|
|
m_card.c_str(),m_device.c_str(),enable?"enable":"disable",this);
|
|
return false;
|
|
}
|
|
|
|
bool ok = false;
|
|
|
|
#ifdef HAVE_WANPIPE_HWEC
|
|
int fd = -1;
|
|
String dev;
|
|
dev << WANEC_DEV_DIR << WANEC_DEV_NAME;
|
|
for (int i = 0; i < 5; i++) {
|
|
fd = ::open(dev,O_RDONLY);
|
|
if (fd >= 0)
|
|
break;
|
|
Thread::msleep(200);
|
|
}
|
|
const char* operation = 0;
|
|
if (fd >= 0) {
|
|
wan_ec_api_t ecapi;
|
|
::memset(&ecapi,0,sizeof(ecapi));
|
|
#ifdef HAVE_WANPIPE_HWEC_3310
|
|
ecapi.fe_chan_map = chanmap;
|
|
#else
|
|
ecapi.channel_map = chanmap;
|
|
#endif
|
|
if (enable) {
|
|
ecapi.cmd = WAN_EC_CMD_DTMF_ENABLE;
|
|
ecapi.verbose = WAN_EC_VERBOSE_EXTRA1;
|
|
// event on start of tone, before echo canceller
|
|
ecapi.u_dtmf_config.type = WAN_EC_TONE_PRESENT;
|
|
#ifdef HAVE_WANPIPE_HWEC_3310
|
|
ecapi.u_dtmf_config.port_map = WAN_EC_CHANNEL_PORT_SOUT;
|
|
#else
|
|
ecapi.u_dtmf_config.port = WAN_EC_CHANNEL_PORT_SOUT;
|
|
#endif
|
|
}
|
|
else
|
|
ecapi.cmd = WAN_EC_CMD_DTMF_DISABLE;
|
|
ecapi.err = WAN_EC_API_RC_OK;
|
|
if (::ioctl(fd,ecapi.cmd,ecapi))
|
|
operation = "IOCTL";
|
|
}
|
|
else
|
|
operation = "Open";
|
|
ok = (0 == operation);
|
|
if (!ok && m_dbg && m_dbg->debugAt(DebugNote))
|
|
Debug(m_dbg,DebugNote,
|
|
"WpSocket(%s/%s). %s failed dev=%s. Can't %s echo canceller. %d: %s [%p]",
|
|
m_card.c_str(),m_device.c_str(),operation,dev.c_str(),(enable?"enable":"disable"),
|
|
errno,::strerror(errno),this);
|
|
::close(fd);
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
if (ok && m_dbg && m_dbg->debugAt(DebugInfo)) {
|
|
String map('0',32);
|
|
for (unsigned int i = 0; i < 32; i++)
|
|
if (chanmap & (1 << i))
|
|
((char*)(map.c_str()))[i] = '1';
|
|
DDebug(m_dbg,DebugInfo,
|
|
"WpSocket(%s/%s). %sabled echo canceller chanmap=%s [%p]",
|
|
m_card.c_str(),m_device.c_str(),enable?"En":"Dis",map.c_str(),this);
|
|
}
|
|
#endif
|
|
|
|
return ok;
|
|
}
|
|
|
|
// Set tone detection if available
|
|
bool WpSocket::dtmfDetect(bool enable)
|
|
{
|
|
bool ok = false;
|
|
|
|
#ifdef HAVE_WANPIPE_HWEC
|
|
api_tx_hdr_t a;
|
|
::memset(&a,0,sizeof(api_tx_hdr_t));
|
|
a.wp_api_tx_hdr_event_type = WP_API_EVENT_DTMF;
|
|
a.wp_api_tx_hdr_event_mode = enable ? WP_API_EVENT_ENABLE : WP_API_EVENT_DISABLE;
|
|
ok = (::ioctl(m_socket.handle(),SIOC_WANPIPE_API,&a) >= 0);
|
|
#else
|
|
// pretend enabling fails, disabling succeeds
|
|
if (!enable)
|
|
ok = true;
|
|
else
|
|
errno = ENOSYS;
|
|
#endif
|
|
|
|
if (ok)
|
|
DDebug(m_dbg,DebugInfo,
|
|
"WpSocket(%s/%s). %sabled tone detector [%p]",
|
|
m_card.c_str(),m_device.c_str(),enable?"En":"Dis",this);
|
|
else
|
|
showError("dtmfDetect");
|
|
return ok;
|
|
}
|
|
|
|
// Open socket
|
|
bool WpSocket::open(bool blocking)
|
|
{
|
|
DDebug(m_dbg,DebugAll,
|
|
"WpSocket::open(). Card: '%s'. Device: '%s'. Blocking: %s [%p]",
|
|
m_card.c_str(),m_device.c_str(),String::boolText(blocking),this);
|
|
if (!m_socket.create(AF_WANPIPE,SOCK_RAW)) {
|
|
showError("Create");
|
|
return false;
|
|
}
|
|
// Bind to the card/interface
|
|
struct wan_sockaddr_ll sa;
|
|
memset(&sa,0,sizeof(struct wan_sockaddr_ll));
|
|
::strncpy((char*)sa.sll_card,m_card.safe(),sizeof(sa.sll_card));
|
|
::strncpy((char*)sa.sll_device,m_device.safe(),sizeof(sa.sll_device));
|
|
sa.sll_protocol = htons(PVC_PROT);
|
|
sa.sll_family = AF_WANPIPE;
|
|
if (!m_socket.bind((struct sockaddr *)&sa, sizeof(sa))) {
|
|
showError("Bind");
|
|
close();
|
|
return false;
|
|
}
|
|
if (!m_socket.setBlocking(blocking)) {
|
|
showError("Set blocking");
|
|
close();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Close socket
|
|
void WpSocket::close()
|
|
{
|
|
if (!m_socket.valid())
|
|
return;
|
|
DDebug(m_dbg,DebugAll,"WpSocket::close(). Card: '%s'. Device: '%s' [%p]",
|
|
m_card.c_str(),m_device.c_str(),this);
|
|
m_socket.setLinger(-1);
|
|
m_socket.terminate();
|
|
}
|
|
|
|
// Read data from socket
|
|
int WpSocket::recv(void* buffer, int len, int flags)
|
|
{
|
|
int r = m_socket.recv(buffer,len,flags);
|
|
if (r != Socket::socketError()) {
|
|
m_readError = false;
|
|
return r;
|
|
}
|
|
if (!(m_socket.canRetry() || m_readError)) {
|
|
showError("Read");
|
|
m_readError = true;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
// Write data to socket
|
|
int WpSocket::send(const void* buffer, int len, int flags)
|
|
{
|
|
int w = m_socket.send(buffer,len,flags);
|
|
if (w != Socket::socketError() && w == len) {
|
|
m_writeError = false;
|
|
return w;
|
|
}
|
|
if (m_writeError)
|
|
return -1;
|
|
if (w == Socket::socketError())
|
|
w = 0;
|
|
String info;
|
|
info << " (Sent " << w << " instead of " << len << ')';
|
|
showError("Send",info);
|
|
m_writeError = true;
|
|
return -1;
|
|
}
|
|
|
|
// Check events and socket availability
|
|
bool WpSocket::select(unsigned int multiplier, bool checkWrite)
|
|
{
|
|
m_canRead = m_canWrite = m_event = false;
|
|
struct timeval tv;
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = multiplier * WPSOCKET_SELECT_TIMEOUT;
|
|
if (m_socket.select(&m_canRead,(checkWrite ? &m_canWrite : 0),&m_event,&tv)) {
|
|
m_selectError = false;
|
|
return true;
|
|
}
|
|
if (m_selectError)
|
|
return false;
|
|
showError("Select");
|
|
m_selectError = true;
|
|
return false;
|
|
}
|
|
|
|
// Update the state of the link and return true if changed
|
|
bool WpSocket::updateLinkStatus()
|
|
{
|
|
LinkStatus old = m_status;
|
|
if (valid())
|
|
switch (::ioctl(m_socket.handle(),SIOC_WANPIPE_SOCK_STATE,0)) {
|
|
case 0:
|
|
m_status = Connected;
|
|
break;
|
|
case 1:
|
|
m_status = Disconnected;
|
|
break;
|
|
default:
|
|
m_status = Connecting;
|
|
}
|
|
else
|
|
m_status = Disconnected;
|
|
return m_status != old;
|
|
}
|
|
|
|
|
|
/**
|
|
* WpInterface
|
|
*/
|
|
// Create WpInterface or WpSpan
|
|
SignallingComponent* WpInterface::create(const String& type, const NamedList& name)
|
|
{
|
|
const String* module = name.getParam("module");
|
|
if (module && *module != "wpcard") {
|
|
DDebug(&driver,DebugWarn,"We aren't the target for creating %s",type.c_str());
|
|
return 0;
|
|
}
|
|
bool interface = false;
|
|
if (type == "SignallingInterface")
|
|
interface = true;
|
|
else if (type == "SignallingCircuitSpan")
|
|
;
|
|
else
|
|
return 0;
|
|
|
|
Configuration cfg(Engine::configFile("wpcard"));
|
|
const char* sectName = name.getValue((interface ? "sig" : "voice"),name.getValue("basename",name));
|
|
NamedList* config = cfg.getSection(sectName);
|
|
if (module) {
|
|
DDebug(&driver,DebugAll,"Replace config params in section %s",c_safe(sectName));
|
|
if (!config) {
|
|
cfg.createSection(sectName);
|
|
config = cfg.getSection(sectName);
|
|
}
|
|
config->copyParams(name);
|
|
if(!cfg.save())
|
|
DDebug(&driver,DebugAll,"Failed to save configuration in file %s ",cfg.c_str());
|
|
}
|
|
else if (!config){
|
|
DDebug(&driver,DebugAll,"No section '%s' in configuration",c_safe(sectName));
|
|
return 0;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (driver.debugAt(DebugAll)) {
|
|
String tmp;
|
|
name.dump(tmp,"\r\n ",'\'',true);
|
|
Debug(&driver,DebugAll,"WpInterface::create %s%s",
|
|
(interface ? "interface" : "span"),tmp.c_str());
|
|
}
|
|
#endif
|
|
if (interface) {
|
|
WpInterface* iface = new WpInterface(name);
|
|
if (iface->init(*config,(NamedList&)name))
|
|
return iface;
|
|
TelEngine::destruct(iface);
|
|
return 0;
|
|
}
|
|
NamedList* general = cfg.getSection("general");
|
|
NamedList dummy("general");
|
|
WpSpan* data = new WpSpan(name,sectName);
|
|
if (data->init(*config,general?*general:dummy,(NamedList&)name))
|
|
return data;
|
|
TelEngine::destruct(data);
|
|
return 0;
|
|
}
|
|
|
|
WpInterface::WpInterface(const NamedList& params)
|
|
: SignallingComponent(params),
|
|
m_socket(this),
|
|
m_thread(0),
|
|
m_readOnly(false),
|
|
m_notify(0),
|
|
m_overRead(0),
|
|
m_lastError(0),
|
|
m_sendReadOnly(false),
|
|
m_timerRxUnder(0),
|
|
m_repeatCapable(s_repeatCapable),
|
|
m_repeatMutex(true,"WpInterface::repeat")
|
|
{
|
|
DDebug(this,DebugAll,"WpInterface::WpInterface() [%p]",this);
|
|
}
|
|
|
|
WpInterface::~WpInterface()
|
|
{
|
|
cleanup(false);
|
|
DDebug(this,DebugAll,"WpInterface::~WpInterface() [%p]",this);
|
|
}
|
|
|
|
bool WpInterface::init(const NamedList& config, NamedList& params)
|
|
{
|
|
// Set socket card / device
|
|
m_socket.card(!params.null() ? params : config);
|
|
const char* sig = params.getValue("siggroup",config.getValue("siggroup"));
|
|
if (!(sig && *sig)) {
|
|
Debug(this,DebugWarn,
|
|
"Missing or invalid siggroup='%s' in configuration [%p]",
|
|
c_safe(sig),this);
|
|
return false;
|
|
}
|
|
m_socket.device(sig);
|
|
|
|
m_readOnly = params.getBoolValue("readonly",config.getBoolValue("readonly",false));
|
|
|
|
int i = params.getIntValue("errormask",config.getIntValue("errormask",WP_ERR_MASK));
|
|
m_errorMask = ((i >= 0 && i < 256) ? i : WP_ERR_MASK);
|
|
|
|
int rx = params.getIntValue("rxunderrun");
|
|
if (rx > 0)
|
|
m_timerRxUnder.interval(rx);
|
|
|
|
m_repeatCapable = params.getBoolValue("hwrepeatcapable",
|
|
config.getBoolValue("hwrepeatcapable",m_repeatCapable));
|
|
|
|
if (debugAt(DebugInfo)) {
|
|
String s;
|
|
s << "driver=" << driver.debugName();
|
|
s << " section=" << config.c_str();
|
|
s << " type=" << config.getValue("type","T1");
|
|
s << " card=" << m_socket.card();
|
|
s << " device=" << m_socket.device();
|
|
s << " errormask=" << (unsigned int)m_errorMask;
|
|
s << " readonly=" << String::boolText(m_readOnly);
|
|
s << " rxunderruninterval=" << (unsigned int)m_timerRxUnder.interval() << "ms";
|
|
s << " hwrepeatcapable=" << String::boolText(m_repeatCapable);
|
|
Debug(this,DebugInfo,"D-channel: %s [%p]",s.c_str(),this);
|
|
}
|
|
m_down = false;
|
|
return true;
|
|
}
|
|
|
|
// Send signalling packet
|
|
bool WpInterface::transmitPacket(const DataBlock& packet, bool repeat, PacketType type)
|
|
{
|
|
if (m_readOnly) {
|
|
if (!m_sendReadOnly)
|
|
Debug(this,DebugWarn,"Attempt to send data on read only interface");
|
|
m_sendReadOnly = true;
|
|
return false;
|
|
}
|
|
|
|
if (!m_socket.valid())
|
|
return false;
|
|
|
|
#ifdef XDEBUG
|
|
if (debugAt(DebugAll)) {
|
|
String str;
|
|
str.hexify(packet.data(),packet.length(),' ');
|
|
Debug(this,DebugAll,"Sending %u bytes: %s",packet.length(),str.c_str());
|
|
}
|
|
#endif
|
|
|
|
m_repeatMutex.lock();
|
|
m_repeatPacket.clear();
|
|
m_repeatMutex.unlock();
|
|
|
|
DataBlock data(0,WP_HEADER);
|
|
data += packet;
|
|
|
|
// using a while is a hack so we can break out of it
|
|
while (repeat) {
|
|
#ifdef wp_api_tx_hdr_hdlc_rpt_data
|
|
if (m_repeatCapable) {
|
|
if (packet.length() <= WP_RPT_MAXDATA) {
|
|
unsigned char* hdr = (unsigned char*)data.data();
|
|
hdr[WP_RPT_REPEAT] = 1;
|
|
hdr[WP_RPT_LEN] = packet.length();
|
|
::memcpy(hdr+WP_RPT_DATA,packet.data(),packet.length());
|
|
}
|
|
else
|
|
Debug(this,DebugWarn,"Can't repeat packet (type=%u) with length=%u",
|
|
type,packet.length());
|
|
break;
|
|
}
|
|
#endif
|
|
m_repeatMutex.lock();
|
|
m_repeatPacket = data;
|
|
m_repeatMutex.unlock();
|
|
break;
|
|
}
|
|
|
|
return -1 != m_socket.send(data.data(),data.length(),0);
|
|
}
|
|
|
|
// Receive signalling packet
|
|
// Send repeated packet if needed
|
|
bool WpInterface::receiveAttempt()
|
|
{
|
|
if (!m_socket.valid())
|
|
return false;
|
|
|
|
if (!m_socket.select(5,(0 != m_repeatPacket.length())))
|
|
return false;
|
|
m_repeatMutex.lock();
|
|
if (m_socket.canWrite() && m_repeatPacket.length())
|
|
m_socket.send(m_repeatPacket.data(),m_repeatPacket.length(),0);
|
|
m_repeatMutex.unlock();
|
|
updateStatus();
|
|
if (!m_socket.canRead())
|
|
return false;
|
|
unsigned char buf[WP_HEADER + MAX_PACKET];
|
|
int r = m_socket.recv(buf,sizeof(buf),MSG_NOSIGNAL);
|
|
if (r == -1)
|
|
return false;
|
|
if (r > (WP_HEADER + m_overRead)) {
|
|
XDebug(this,DebugAll,"Received %d bytes packet. Header length is %u [%p]",
|
|
r,WP_HEADER + m_overRead,this);
|
|
r -= (WP_HEADER + m_overRead);
|
|
unsigned char err = buf[WP_RD_ERROR];
|
|
if (err != m_lastError) {
|
|
m_lastError = err;
|
|
if (err) {
|
|
String errText;
|
|
if (err & WP_ERR_CRC)
|
|
errText.append("CRC");
|
|
if (err & WP_ERR_FIFO)
|
|
errText.append("RxOver"," ");
|
|
if (err & WP_ERR_ABORT)
|
|
errText.append("Align"," ");
|
|
if (errText)
|
|
errText = " (" + errText + ")";
|
|
Debug(this,DebugWarn,"Packet got error: %u%s [%p]",
|
|
err,errText.safe(),this);
|
|
}
|
|
}
|
|
err &= m_errorMask;
|
|
if (err) {
|
|
if (err & WP_ERR_FIFO)
|
|
notify(RxOverflow);
|
|
if (err & WP_ERR_CRC)
|
|
notify(CksumError);
|
|
if (err & WP_ERR_ABORT)
|
|
notify(AlignError);
|
|
return true;
|
|
}
|
|
|
|
s_ifaceNotify.lock();
|
|
m_notify = 0;
|
|
s_ifaceNotify.unlock();
|
|
|
|
#ifdef XDEBUG
|
|
if (debugAt(DebugAll)) {
|
|
String str;
|
|
str.hexify(buf+WP_HEADER,r,' ');
|
|
Debug(this,DebugAll,"Received %d bytes: %s",r,str.c_str());
|
|
}
|
|
#endif
|
|
|
|
DataBlock data(buf+WP_HEADER,r,false);
|
|
receivedPacket(data);
|
|
data.clear(false);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Interface control
|
|
// Enable: Open thread and create thread if not already created
|
|
// Disable: Cancel thread. Close socket
|
|
bool WpInterface::control(Operation oper, NamedList* params)
|
|
{
|
|
DDebug(this,DebugAll,"Control with oper=%u [%p]",oper,this);
|
|
switch (oper) {
|
|
case Enable:
|
|
case Disable:
|
|
break;
|
|
case EnableTx:
|
|
case DisableTx:
|
|
if (m_readOnly == (oper == DisableTx))
|
|
return true;
|
|
m_readOnly = (oper == DisableTx);
|
|
m_sendReadOnly = false;
|
|
Debug(this,DebugInfo,"Tx is %sabled [%p]",m_readOnly?"dis":"en",this);
|
|
return true;
|
|
case Query:
|
|
return m_socket.valid() && m_thread && m_thread->running();
|
|
default:
|
|
return SignallingInterface::control(oper,params);
|
|
}
|
|
if (oper == Enable) {
|
|
bool ok = false;
|
|
if (m_socket.valid() || m_socket.open(true)) {
|
|
if (!m_thread)
|
|
m_thread = new WpSigThread(this);
|
|
if (m_thread->running())
|
|
ok = true;
|
|
else
|
|
ok = m_thread->startup();
|
|
}
|
|
if (ok) {
|
|
DDebug(this,DebugAll,"Enabled [%p]",this);
|
|
m_timerRxUnder.start();
|
|
}
|
|
else {
|
|
Debug(this,DebugWarn,"Enable failed [%p]",this);
|
|
control(Disable,0);
|
|
}
|
|
return ok;
|
|
}
|
|
// oper is Disable
|
|
m_timerRxUnder.stop();
|
|
if (m_thread) {
|
|
m_thread->cancel();
|
|
while (m_thread)
|
|
Thread::yield();
|
|
}
|
|
m_socket.close();
|
|
DDebug(this,DebugAll,"Disabled [%p]",this);
|
|
return true;
|
|
}
|
|
|
|
// Update link status. Notify the receiver if state changed
|
|
bool WpInterface::updateStatus()
|
|
{
|
|
if (!m_socket.updateLinkStatus())
|
|
return false;
|
|
Debug(this,DebugNote,"Link status changed to %s [%p]",
|
|
lookup(m_socket.status(),s_linkStatus),this);
|
|
if (m_socket.status() == WpSocket::Connected) {
|
|
notify(LinkUp);
|
|
sendModuleUpdate(m_down,LinkUp,m_socket.card());
|
|
}
|
|
else {
|
|
notify(LinkDown);
|
|
sendModuleUpdate(m_down,LinkDown,m_socket.card());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void WpInterface::timerTick(const Time& when)
|
|
{
|
|
if (!m_timerRxUnder.timeout(when.msec()))
|
|
return;
|
|
s_ifaceNotify.lock();
|
|
if (m_notify) {
|
|
if (m_notify == 1) {
|
|
DDebug(this,DebugMild,"RX idle for " FMT64 "ms. Notifying receiver [%p]",
|
|
m_timerRxUnder.interval(),this);
|
|
notify(RxUnderrun);
|
|
m_notify = 2;
|
|
}
|
|
}
|
|
else
|
|
m_notify = 1;
|
|
s_ifaceNotify.unlock();
|
|
m_timerRxUnder.start(when.msec());
|
|
}
|
|
|
|
/**
|
|
* WpSigThread
|
|
*/
|
|
WpSigThread::~WpSigThread()
|
|
{
|
|
if (m_interface) {
|
|
Debug(m_interface,DebugAll,"Worker thread stopped [%p]",this);
|
|
m_interface->m_thread = 0;
|
|
}
|
|
else
|
|
Debug(DebugAll,"WpSigThread::~WpSigThread() [%p]",this);
|
|
}
|
|
|
|
void WpSigThread::run()
|
|
{
|
|
if (!m_interface) {
|
|
Debug(DebugWarn,"WpSigThread::run(). No client object [%p]",this);
|
|
return;
|
|
}
|
|
Debug(m_interface,DebugAll,"Worker thread started [%p]",this);
|
|
m_interface->updateStatus();
|
|
for (;;) {
|
|
Thread::yield(true);
|
|
while (m_interface && m_interface->receiveAttempt())
|
|
Thread::check(true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* WpSource
|
|
*/
|
|
WpSource::WpSource(WpCircuit* owner, const char* format, unsigned int bufsize)
|
|
: DataSource(format),
|
|
m_owner(owner),
|
|
m_buffer(0,bufsize),
|
|
m_bufpos(0),
|
|
m_total(0)
|
|
{
|
|
XDebug(DebugAll,"WpSource::WpSource(%p,%u,'%s') [%p]",
|
|
owner,bufsize,format,this);
|
|
}
|
|
|
|
WpSource::~WpSource()
|
|
{
|
|
XDebug(DebugAll,"WpSource::~WpSource() [%p]",this);
|
|
}
|
|
|
|
// Put a byte in buffer. Forward data when full
|
|
void WpSource::put(unsigned char c)
|
|
{
|
|
((char*)m_buffer.data())[m_bufpos] = c;
|
|
if (++m_bufpos == m_buffer.length()) {
|
|
m_bufpos = 0;
|
|
Forward(m_buffer);
|
|
m_total += m_buffer.length();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* WpConsumer
|
|
*/
|
|
WpConsumer::WpConsumer(WpCircuit* owner, const char* format, unsigned int bufsize)
|
|
: DataConsumer(format),
|
|
Fifo(2 * bufsize),
|
|
m_owner(owner),
|
|
m_errorCount(0),
|
|
m_errorBytes(0),
|
|
m_total(0)
|
|
|
|
{
|
|
XDebug(DebugAll,"WpConsumer::WpConsumer(%p,%u,'%s') [%p]",
|
|
owner,bufsize,format,this);
|
|
}
|
|
|
|
WpConsumer::~WpConsumer()
|
|
{
|
|
XDebug(DebugAll,"WpConsumer::~WpConsumer. [%p]",this);
|
|
}
|
|
|
|
// Put data in fifo buffer
|
|
unsigned long WpConsumer::Consume(const DataBlock& data, unsigned long tStamp, unsigned long flags)
|
|
{
|
|
unsigned int err = put((const unsigned char*)data.data(),data.length());
|
|
if (err) {
|
|
m_errorCount++;
|
|
m_errorBytes += err;
|
|
}
|
|
m_total += data.length();
|
|
return invalidStamp();
|
|
}
|
|
|
|
/**
|
|
* WpCircuit
|
|
*/
|
|
WpCircuit::WpCircuit(unsigned int code, SignallingCircuitGroup* group, WpSpan* data,
|
|
unsigned int buflen, unsigned int channel)
|
|
: SignallingCircuit(TDM,code,Idle,group,data), Mutex(true,"WpCircuit"),
|
|
m_channel(channel),
|
|
m_sourceValid(0),
|
|
m_consumerValid(0),
|
|
m_source(0),
|
|
m_consumer(0)
|
|
{
|
|
if (buflen) {
|
|
m_source = new WpSource(this,"alaw",buflen);
|
|
m_consumer = new WpConsumer(this,"alaw",buflen);
|
|
XDebug(group,DebugAll,"WpCircuit(%u). Source (%p). Consumer (%p) [%p]",
|
|
code,m_source,m_consumer,this);
|
|
}
|
|
else
|
|
Debug(group,DebugNote,
|
|
"WpCircuit(%u). No source and consumer. Buffer length is 0 [%p]",
|
|
code,this);
|
|
}
|
|
|
|
WpCircuit::~WpCircuit()
|
|
{
|
|
XDebug(group(),DebugAll,"WpCircuit::~WpCircuit(%u) [%p]",code(),this);
|
|
Lock lock(this);
|
|
status(Missing);
|
|
TelEngine::destruct(m_source);
|
|
TelEngine::destruct(m_consumer);
|
|
}
|
|
|
|
// Change circuit status. Clear events on succesfully changes status
|
|
// Connected: Set valid source and consumer
|
|
// Otherwise: Invalidate and reset source and consumer
|
|
bool WpCircuit::status(Status newStat, bool sync)
|
|
{
|
|
Lock lock(this);
|
|
if (SignallingCircuit::status() == newStat)
|
|
return true;
|
|
// Allow status change for the following values
|
|
switch (newStat) {
|
|
case Missing:
|
|
case Disabled:
|
|
case Idle:
|
|
case Reserved:
|
|
m_specialMode.clear();
|
|
// fall through
|
|
case Special:
|
|
case Connected:
|
|
break;
|
|
default: ;
|
|
Debug(group(),DebugNote,
|
|
"WpCircuit(%u). Can't change status to unhandled value %u [%p]",
|
|
code(),newStat,this);
|
|
return false;
|
|
}
|
|
if (SignallingCircuit::status() == Missing) {
|
|
Debug(group(),DebugNote,
|
|
"WpCircuit(%u). Can't change status to '%s'. Circuit is missing [%p]",
|
|
code(),lookupStatus(newStat),this);
|
|
return false;
|
|
}
|
|
Status oldStat = SignallingCircuit::status();
|
|
// Change status
|
|
if (!SignallingCircuit::status(newStat,sync))
|
|
return false;
|
|
// Enable/disable data transfer
|
|
clearEvents();
|
|
bool enableData = false;
|
|
if (SignallingCircuit::status() >= Special)
|
|
enableData = true;
|
|
// Don't put this message for final states
|
|
if (!Engine::exiting())
|
|
DDebug(group(),DebugAll,"WpCircuit(%u). Changed status to '%s' [%p]",
|
|
code(),lookupStatus(newStat),this);
|
|
if (enableData) {
|
|
m_sourceValid = m_source;
|
|
m_consumerValid = m_consumer;
|
|
if (newStat == Special) {
|
|
Message m("circuit.special");
|
|
m.userData(this);
|
|
if (group())
|
|
m.addParam("group",group()->toString());
|
|
if (span())
|
|
m.addParam("span",span()->toString());
|
|
if (m_specialMode)
|
|
m.addParam("mode",m_specialMode);
|
|
return Engine::dispatch(m);
|
|
}
|
|
return true;
|
|
}
|
|
// Disable data if not already disabled
|
|
if (m_consumerValid) {
|
|
m_consumerValid = 0;
|
|
if (oldStat == Connected) {
|
|
XDebug(group(),DebugAll,"WpCircuit(%u). Consumer transferred %u byte(s) [%p]",
|
|
code(),m_consumer->m_total,this);
|
|
if (m_consumer->m_errorCount)
|
|
DDebug(group(),DebugMild,"WpCircuit(%u). Consumer errors: %u. Lost: %u/%u [%p]",
|
|
code(),m_consumer->m_errorCount,m_consumer->m_errorBytes,
|
|
m_consumer->m_total,this);
|
|
}
|
|
m_consumer->clear();
|
|
m_consumer->m_errorCount = m_consumer->m_errorBytes = 0;
|
|
m_consumer->m_total = 0;
|
|
}
|
|
if (m_sourceValid) {
|
|
m_sourceValid = 0;
|
|
if (oldStat == Connected)
|
|
XDebug(group(),DebugAll,"WpCircuit(%u). Source transferred %u byte(s) [%p]",
|
|
code(),m_source->m_total,this);
|
|
m_source->clear();
|
|
m_source->m_total = 0;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Update source/consumer data format
|
|
bool WpCircuit::updateFormat(const char* format, int direction)
|
|
{
|
|
if (!(format && *format))
|
|
return false;
|
|
bool consumerChanged = true;
|
|
bool sourceChanged = true;
|
|
Lock lock(this);
|
|
if (direction == -1 || direction == 0) {
|
|
if (m_consumer && m_consumer->getFormat() != format) {
|
|
m_consumer->changeFormat(format);
|
|
DDebug(group(),DebugAll,"WpCircuit(%u). Consumer format set to '%s' [%p]",
|
|
code(),format,this);
|
|
}
|
|
else
|
|
consumerChanged = false;
|
|
}
|
|
if (direction == 1 || direction == 0) {
|
|
if (m_source && m_source->getFormat() != format) {
|
|
m_source->changeFormat(format);
|
|
DDebug(group(),DebugAll,"WpCircuit(%u). Source format set to '%s' [%p]",
|
|
code(),format,this);
|
|
}
|
|
else
|
|
sourceChanged = false;
|
|
}
|
|
return consumerChanged && sourceChanged;
|
|
}
|
|
|
|
bool WpCircuit::setParam(const String& param, const String& value)
|
|
{
|
|
if (param == "special_mode")
|
|
m_specialMode = value;
|
|
else
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// Get source or consumer
|
|
void* WpCircuit::getObject(const String& name) const
|
|
{
|
|
if (!group())
|
|
return 0;
|
|
if (name == "DataSource")
|
|
return m_sourceValid;
|
|
if (name == "DataConsumer")
|
|
return m_consumerValid;
|
|
return SignallingCircuit::getObject(name);
|
|
}
|
|
|
|
// Enqueue received events
|
|
inline bool WpCircuit::enqueueEvent(SignallingCircuitEvent* e)
|
|
{
|
|
if (e) {
|
|
addEvent(e);
|
|
XDebug(group(),e->type()!=SignallingCircuitEvent::Unknown?DebugAll:DebugStub,
|
|
"WpCircuit(%u). Enqueued event '%s' [%p]",code(),e->c_str(),this);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* WpSpan
|
|
*/
|
|
unsigned char WpSpan::s_bitswap[256] = {
|
|
0x00,0x80,0x40,0xc0,0x20,0xa0,0x60,0xe0,0x10,0x90,0x50,0xd0,0x30,0xb0,0x70,0xf0,0x08,0x88,0x48,0xc8,
|
|
0x28,0xa8,0x68,0xe8,0x18,0x98,0x58,0xd8,0x38,0xb8,0x78,0xf8,0x04,0x84,0x44,0xc4,0x24,0xa4,0x64,0xe4,
|
|
0x14,0x94,0x54,0xd4,0x34,0xb4,0x74,0xf4,0x0c,0x8c,0x4c,0xcc,0x2c,0xac,0x6c,0xec,0x1c,0x9c,0x5c,0xdc,
|
|
0x3c,0xbc,0x7c,0xfc,0x02,0x82,0x42,0xc2,0x22,0xa2,0x62,0xe2,0x12,0x92,0x52,0xd2,0x32,0xb2,0x72,0xf2,
|
|
0x0a,0x8a,0x4a,0xca,0x2a,0xaa,0x6a,0xea,0x1a,0x9a,0x5a,0xda,0x3a,0xba,0x7a,0xfa,0x06,0x86,0x46,0xc6,
|
|
0x26,0xa6,0x66,0xe6,0x16,0x96,0x56,0xd6,0x36,0xb6,0x76,0xf6,0x0e,0x8e,0x4e,0xce,0x2e,0xae,0x6e,0xee,
|
|
0x1e,0x9e,0x5e,0xde,0x3e,0xbe,0x7e,0xfe,0x01,0x81,0x41,0xc1,0x21,0xa1,0x61,0xe1,0x11,0x91,0x51,0xd1,
|
|
0x31,0xb1,0x71,0xf1,0x09,0x89,0x49,0xc9,0x29,0xa9,0x69,0xe9,0x19,0x99,0x59,0xd9,0x39,0xb9,0x79,0xf9,
|
|
0x05,0x85,0x45,0xc5,0x25,0xa5,0x65,0xe5,0x15,0x95,0x55,0xd5,0x35,0xb5,0x75,0xf5,0x0d,0x8d,0x4d,0xcd,
|
|
0x2d,0xad,0x6d,0xed,0x1d,0x9d,0x5d,0xdd,0x3d,0xbd,0x7d,0xfd,0x03,0x83,0x43,0xc3,0x23,0xa3,0x63,0xe3,
|
|
0x13,0x93,0x53,0xd3,0x33,0xb3,0x73,0xf3,0x0b,0x8b,0x4b,0xcb,0x2b,0xab,0x6b,0xeb,0x1b,0x9b,0x5b,0xdb,
|
|
0x3b,0xbb,0x7b,0xfb,0x07,0x87,0x47,0xc7,0x27,0xa7,0x67,0xe7,0x17,0x97,0x57,0xd7,0x37,0xb7,0x77,0xf7,
|
|
0x0f,0x8f,0x4f,0xcf,0x2f,0xaf,0x6f,0xef,0x1f,0x9f,0x5f,0xdf,0x3f,0xbf,0x7f,0xff
|
|
};
|
|
|
|
// Initialize B-channel group
|
|
// Create circuits. Start worker thread
|
|
WpSpan::WpSpan(const NamedList& params, const char* debugname)
|
|
: SignallingCircuitSpan(params.getValue("debugname",debugname),
|
|
static_cast<SignallingCircuitGroup*>(params.getObject("SignallingCircuitGroup"))),
|
|
m_socket(m_group),
|
|
m_thread(0),
|
|
m_canSend(true),
|
|
m_swap(false),
|
|
m_chanMap(0),
|
|
m_echoCancel(false),
|
|
m_dtmfDetect(false),
|
|
m_chans(0),
|
|
m_count(0),
|
|
m_first(0),
|
|
m_samples(0),
|
|
m_noData(0),
|
|
m_buflen(0),
|
|
m_circuits(0),
|
|
m_readErrors(0),
|
|
m_buffer(0),
|
|
m_bufferLen(0)
|
|
{
|
|
DDebug(m_group,DebugAll,"WpSpan::WpSpan(). Name '%s' [%p]",id().safe(),this);
|
|
}
|
|
|
|
// Terminate worker thread
|
|
// Close socket. Clear circuit list
|
|
WpSpan::~WpSpan()
|
|
{
|
|
if (m_thread) {
|
|
m_thread->cancel();
|
|
while (m_thread)
|
|
Thread::yield();
|
|
}
|
|
m_socket.close();
|
|
clearCircuits();
|
|
if (m_buffer)
|
|
delete[] m_buffer;
|
|
DDebug(m_group,DebugAll,"WpSpan::~WpSpan() [%p]",this);
|
|
}
|
|
|
|
// Initialize
|
|
bool WpSpan::init(const NamedList& config, const NamedList& defaults, NamedList& params)
|
|
{
|
|
if (!m_group) {
|
|
Debug(DebugNote,"WpSpan('%s'). Circuit group is missing [%p]",
|
|
id().safe(),this);
|
|
return false;
|
|
}
|
|
// Set socket card / device
|
|
m_socket.card(!params.null() ? params : config);
|
|
const char* voice = params.getValue("voicegroup",config.getValue("voicegroup"));
|
|
if (!voice) {
|
|
Debug(m_group,DebugNote,"WpSpan('%s'). Missing or invalid voice group [%p]",
|
|
id().safe(),this);
|
|
return false;
|
|
}
|
|
m_socket.device(voice);
|
|
m_canSend = !params.getBoolValue("readonly",config.getBoolValue("readonly",false));
|
|
// Type depending data: channel count, samples, circuit list
|
|
String type = params.getValue("type",config.getValue("type"));
|
|
String cics = params.getValue("voicechans",config.getValue("voicechans"));
|
|
unsigned int offs = params.getIntValue("offset",config.getIntValue("offset",0));
|
|
m_samples = params.getIntValue("samples",config.getIntValue("samples"));
|
|
int idleValue = 0xd5; // A-Law idle code
|
|
if (type.null())
|
|
type = "E1";
|
|
if (type == "E1") {
|
|
m_chans = 31;
|
|
m_increment = 32;
|
|
if (cics.null())
|
|
cics = "1-15,17-31";
|
|
if (!m_samples)
|
|
m_samples = 50;
|
|
}
|
|
else if (type == "T1") {
|
|
idleValue = 0xff; // mu-Law idle code
|
|
m_chans = 24;
|
|
m_increment = 24;
|
|
if (cics.null())
|
|
cics = "1-23";
|
|
if (!m_samples)
|
|
m_samples = 64;
|
|
}
|
|
else if (type == "BRI") {
|
|
m_chans = 3;
|
|
m_increment = 3;
|
|
if (cics.null())
|
|
cics = "1-2";
|
|
if (!m_samples)
|
|
m_samples = 80;
|
|
}
|
|
else {
|
|
Debug(m_group,DebugNote,"WpSpan('%s'). Invalid voice group type '%s' [%p]",
|
|
id().safe(),type.safe(),this);
|
|
return false;
|
|
}
|
|
m_increment = config.getIntValue("increment",m_increment);
|
|
|
|
// Other data
|
|
m_swap = defaults.getBoolValue("bitswap",true);
|
|
m_noData = defaults.getIntValue("idlevalue",idleValue);
|
|
m_buflen = defaults.getIntValue("buflen",160);
|
|
m_swap = params.getBoolValue("bitswap",config.getBoolValue("bitswap",m_swap));
|
|
m_noData = params.getIntValue("idlevalue",config.getIntValue("idlevalue",m_noData));
|
|
m_buflen = params.getIntValue("buflen",config.getIntValue("buflen",m_buflen));
|
|
bool tmpDefault = defaults.getBoolValue("echocancel",config.getBoolValue("echocancel",false));
|
|
m_echoCancel = params.getBoolValue("echocancel",tmpDefault);
|
|
tmpDefault = defaults.getBoolValue("dtmfdetect",config.getBoolValue("dtmfdetect",false));
|
|
m_dtmfDetect = params.getBoolValue("dtmfdetect",tmpDefault);
|
|
|
|
// Buffer length can't be 0
|
|
if (!m_buflen)
|
|
m_buflen = 160;
|
|
// Channels
|
|
if (!createCircuits(params.getIntValue("start") + offs,cics)) {
|
|
Debug(m_group,DebugNote,
|
|
"WpSpan('%s'). Failed to create voice chans (voicechans=%s) [%p]",
|
|
id().safe(),cics.safe(),this);
|
|
return false;
|
|
}
|
|
// Start processing data
|
|
m_thread = new WpSpanThread(this);
|
|
if (!m_thread->startup()) {
|
|
Debug(m_group,DebugNote,"WpSpan('%s'). Failed to start worker thread [%p]",
|
|
id().safe(),this);
|
|
return false;
|
|
}
|
|
if (debugAt(DebugInfo)) {
|
|
String s;
|
|
s << "driver=" << driver.debugName();
|
|
s << " section=" << config.c_str();
|
|
s << " type=" << type;
|
|
s << " card=" << m_socket.card();
|
|
s << " device=" << m_socket.device();
|
|
s << " samples=" << m_samples;
|
|
s << " bitswap=" << String::boolText(m_swap);
|
|
if (m_noData < 256)
|
|
s << " idlevalue=" << m_noData;
|
|
else
|
|
s << " idlevalue=(circuit)";
|
|
s << " buflen=" << (unsigned int)m_buflen;
|
|
s << " echocancel=" << String::boolText(m_echoCancel);
|
|
s << " dtmfdetect=" << String::boolText(m_dtmfDetect);
|
|
s << " readonly=" << String::boolText(!m_canSend);
|
|
s << " channels=" << cics << " (" << m_count << ")";
|
|
String cicList;
|
|
if (m_circuits)
|
|
for (unsigned int i = 0; i < m_count; i++)
|
|
cicList.append(String(m_circuits[i]->code()),",");
|
|
s << " circuits=" << cicList;
|
|
Debug(m_group,DebugInfo,"WpSpan('%s') %s [%p]",id().safe(),s.safe(),this);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Create circuits (all or nothing)
|
|
// delta: number to add to each circuit code
|
|
// cicList: Circuits to create
|
|
bool WpSpan::createCircuits(unsigned int delta, const String& cicList)
|
|
{
|
|
unsigned int* cicCodes = SignallingUtils::parseUIntArray(cicList,1,m_chans,m_count,true);
|
|
if (!cicCodes)
|
|
return false;
|
|
clearCircuits();
|
|
m_circuits = new WpCircuit*[m_count];
|
|
unsigned int i;
|
|
for (i = 0; i < m_count; i++)
|
|
m_circuits[i] = 0;
|
|
bool ok = true;
|
|
m_chanMap = 0;
|
|
for (i = 0; i < m_count; i++) {
|
|
m_circuits[i] = new WpCircuit(delta + cicCodes[i],m_group,this,m_buflen,cicCodes[i]);
|
|
if (m_group->insert(m_circuits[i])) {
|
|
m_circuits[i]->ref();
|
|
if (m_circuits[i]->channel())
|
|
m_chanMap |= ((unsigned long)1 << (m_circuits[i]->channel() - 1));
|
|
continue;
|
|
}
|
|
// Failure
|
|
Debug(m_group,DebugNote,
|
|
"WpSpan('%s'). Failed to create/insert circuit %u. Rollback [%p]",
|
|
id().safe(),cicCodes[i],this);
|
|
m_group->removeSpan(this,true,false);
|
|
clearCircuits();
|
|
ok = false;
|
|
break;
|
|
}
|
|
delete[] cicCodes;
|
|
return ok;
|
|
}
|
|
|
|
void WpSpan::clearCircuits()
|
|
{
|
|
WpCircuit** circuits = m_circuits;
|
|
m_circuits = 0;
|
|
if (!circuits)
|
|
return;
|
|
for (unsigned int i = 0; i < m_count; i++)
|
|
TelEngine::destruct(circuits[i]);
|
|
delete[] circuits;
|
|
}
|
|
|
|
// Read events and data from socket. Send data when succesfully read
|
|
// Received data is splitted for each circuit
|
|
// Sent data from each circuit is merged into one data block
|
|
void WpSpan::run()
|
|
{
|
|
if (!m_socket.open(true))
|
|
return;
|
|
// Set echo canceller / tone detector
|
|
if (m_socket.echoCancel(m_echoCancel,m_chanMap))
|
|
m_socket.dtmfDetect(m_dtmfDetect);
|
|
if (!m_buffer) {
|
|
m_bufferLen = WP_HEADER + m_samples * m_count;
|
|
m_buffer = new unsigned char[m_bufferLen];
|
|
}
|
|
DDebug(m_group,DebugInfo,
|
|
"WpSpan('%s'). Worker is running: circuits=%u, buffer=%u, samples=%u [%p]",
|
|
id().safe(),m_count,m_bufferLen,m_samples,this);
|
|
updateStatus();
|
|
while (true) {
|
|
Thread::check(true);
|
|
if (!m_socket.select(m_samples))
|
|
continue;
|
|
updateStatus();
|
|
if (m_socket.event())
|
|
readEvent();
|
|
if (!m_socket.canRead())
|
|
continue;
|
|
int r = readData();
|
|
if (r == -1)
|
|
continue;
|
|
r -= WP_HEADER;
|
|
// Calculate received samples. Check if we received valid data
|
|
unsigned int samples = 0;
|
|
if ((r > 0) && ((r % m_count) == 0))
|
|
samples = (unsigned int)r / m_count;
|
|
if (!samples) {
|
|
Debug(m_group,DebugNote,
|
|
"WpSpan('%s'). Received data %d is not a multiple of circuit number %u [%p]",
|
|
id().safe(),r,m_count,this);
|
|
continue;
|
|
}
|
|
if (samples != m_samples)
|
|
Debug(m_group,DebugInfo,
|
|
"WpSpan('%s'). Received %u samples. Expected %u [%p]",
|
|
id().safe(),samples,m_samples,this);
|
|
if (m_canSend) {
|
|
for (unsigned int i = 0; i < m_count; i++) {
|
|
WpCircuit* circuit = m_circuits[i];
|
|
// Forward read data if we have a source
|
|
WpSource* s = (circuit && circuit->validSource()) ? circuit->source() : 0;
|
|
if (s) {
|
|
unsigned char* dat = m_buffer + WP_HEADER + i;
|
|
for (int n = samples; n > 0; n--, dat += m_count)
|
|
s->put(swap(*dat));
|
|
}
|
|
// Fill send buffer for current circuit
|
|
unsigned char* dat = m_buffer + WP_HEADER + i;
|
|
WpConsumer* c = (circuit && circuit->validConsumer()) ? circuit->consumer() : 0;
|
|
if (c) {
|
|
Lock lock(c);
|
|
for (int n = samples; n > 0; n--, dat += m_count)
|
|
*dat = swap(c->get());
|
|
}
|
|
else {
|
|
unsigned char noData = swap((m_noData < 256 || !circuit) ? m_noData : circuit->code() & 0xff);
|
|
for (int n = samples; n > 0; n--, dat += m_count)
|
|
*dat = noData;
|
|
}
|
|
}
|
|
::memset(m_buffer,0,WP_HEADER);
|
|
m_socket.send(m_buffer,WP_HEADER + samples * m_count,MSG_DONTWAIT);
|
|
}
|
|
else {
|
|
for (unsigned int i = 0; i < m_count; i++) {
|
|
WpCircuit* circuit = m_circuits[i];
|
|
if (!(circuit && circuit->validSource()))
|
|
continue;
|
|
WpSource* s = circuit->source();
|
|
unsigned char* dat = m_buffer + WP_HEADER + i;
|
|
for (int n = samples; n > 0; n--, dat += m_count)
|
|
s->put(swap(*dat));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find a circuit by channel
|
|
WpCircuit* WpSpan::find(unsigned int channel)
|
|
{
|
|
if (!m_circuits)
|
|
return 0;
|
|
for (unsigned int i = 0; i < m_count; i++)
|
|
if (m_circuits[i] && m_circuits[i]->channel() == channel)
|
|
return m_circuits[i];
|
|
return 0;
|
|
}
|
|
|
|
// Check for received event (including in-band events)
|
|
bool WpSpan::readEvent()
|
|
{
|
|
XDebug(m_group,DebugInfo,"WpSpan('%s'). Got event. Checking OOB [%p]",
|
|
id().safe(),this);
|
|
int r = m_socket.recv(m_buffer,m_bufferLen,MSG_OOB);
|
|
if (r >= WP_HEADER)
|
|
decodeEvent();
|
|
return true;
|
|
}
|
|
|
|
// Read data from socket. Check for errors or in-band events
|
|
// Return -1 on error
|
|
int WpSpan::readData()
|
|
{
|
|
m_buffer[WP_RD_ERROR] = 0;
|
|
int r = m_socket.recv(m_buffer,m_bufferLen);
|
|
// Check errors
|
|
if (r == -1)
|
|
return -1;
|
|
if (r < WP_HEADER) {
|
|
Debug(m_group,DebugGoOn,"WpSpan('%s'). Short read %u byte(s) [%p]",
|
|
id().safe(),r,this);
|
|
return -1;
|
|
}
|
|
if (m_buffer[WP_RD_ERROR]) {
|
|
m_readErrors++;
|
|
if (m_readErrors == MAX_READ_ERRORS) {
|
|
Debug(m_group,DebugGoOn,"WpSpan('%s'). Read error %u [%p]",
|
|
id().safe(),m_buffer[WP_RD_ERROR],this);
|
|
m_readErrors = 0;
|
|
}
|
|
}
|
|
else
|
|
m_readErrors = 0;
|
|
// Check events
|
|
decodeEvent();
|
|
return r;
|
|
}
|
|
|
|
bool WpSpan::decodeEvent()
|
|
{
|
|
api_rx_hdr_t* ev = (api_rx_hdr_t*)m_buffer;
|
|
|
|
SignallingCircuitEvent* e = 0;
|
|
WpCircuit* circuit = 0;
|
|
|
|
#ifdef WAN_EC_TONE_PRESENT
|
|
switch (ev->event_type) {
|
|
case WP_API_EVENT_NONE:
|
|
return false;
|
|
case WP_API_EVENT_DTMF:
|
|
if (ev->hdr_u.wp_api_event.u_event.dtmf.type == WAN_EC_TONE_PRESENT) {
|
|
String tone((char)ev->hdr_u.wp_api_event.u_event.dtmf.digit);
|
|
tone.toUpper();
|
|
int chan = ev->hdr_u.wp_api_event.channel;
|
|
circuit = find(chan);
|
|
if (circuit) {
|
|
e = new SignallingCircuitEvent(circuit,SignallingCircuitEvent::Dtmf,"DTMF");
|
|
e->addParam("tone",tone);
|
|
}
|
|
else
|
|
Debug(m_group,DebugMild,
|
|
"WpSpan('%s'). Detected DTMF '%s' for invalid channel %d [%p]",
|
|
id().safe(),tone.c_str(),chan,this);
|
|
}
|
|
break;
|
|
default:
|
|
Debug(m_group,DebugStub,"WpSpan('%s'). Unhandled event %u [%p]",
|
|
id().safe(),ev->event_type,this);
|
|
}
|
|
if (e)
|
|
(static_cast<WpCircuit*>(e->circuit()))->enqueueEvent(e);
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
// Update link status. Notify the receiver if state changed
|
|
bool WpSpan::updateStatus()
|
|
{
|
|
if (!m_socket.updateLinkStatus())
|
|
return false;
|
|
const char* evName = lookup(m_socket.status(),s_linkStatus);
|
|
Debug(m_group,DebugNote,"WpSpan('%s'). Link status changed to %s [%p]",
|
|
id().safe(),evName,this);
|
|
SignallingCircuitEvent::Type evType = SignallingCircuitEvent::NoAlarm;
|
|
if (m_socket.status() != WpSocket::Connected)
|
|
evType = SignallingCircuitEvent::Alarm;
|
|
for (unsigned int i = 0; i < m_count; i++)
|
|
if (m_circuits[i]) {
|
|
SignallingCircuitEvent* e = new SignallingCircuitEvent(m_circuits[i],evType,evName);
|
|
if (evType == SignallingCircuitEvent::Alarm)
|
|
e->addParam("alarms","red");
|
|
m_circuits[i]->enqueueEvent(e);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* WpSpanThread
|
|
*/
|
|
WpSpanThread::~WpSpanThread()
|
|
{
|
|
if (m_data) {
|
|
Debug(m_data->group(),DebugAll,"WpSpan('%s'). Worker thread stopped [%p]",
|
|
m_data->id().safe(),this);
|
|
m_data->m_thread = 0;
|
|
}
|
|
else
|
|
Debug(DebugAll,"WpSpanThread::~WpSpanThread() [%p]",this);
|
|
}
|
|
|
|
void WpSpanThread::run()
|
|
{
|
|
if (m_data) {
|
|
Debug(m_data->group(),DebugAll,"WpSpan('%s'). Worker thread started [%p]",
|
|
m_data->id().safe(),this);
|
|
m_data->run();
|
|
}
|
|
else
|
|
Debug(DebugWarn,"WpSpanThread::run(). No client object [%p]",this);
|
|
}
|
|
|
|
/**
|
|
* WpModule
|
|
*/
|
|
WpModule::WpModule()
|
|
: Module("wanpipe","misc",true),
|
|
m_init(false)
|
|
{
|
|
Output("Loaded module Wanpipe");
|
|
}
|
|
|
|
WpModule::~WpModule()
|
|
{
|
|
Output("Unloading module Wanpipe");
|
|
}
|
|
|
|
void WpModule::initialize()
|
|
{
|
|
Output("Initializing module Wanpipe");
|
|
|
|
Configuration cfg(Engine::configFile("wpcard"));
|
|
s_repeatCapable = cfg.getBoolValue("general","hwrepeatcapable",s_repeatCapable);
|
|
|
|
if (!m_init) {
|
|
m_init = true;
|
|
setup();
|
|
String events;
|
|
#ifndef HAVE_WANPIPE_HWEC
|
|
events.append("set/reset echo canceller",", ");
|
|
#endif
|
|
#ifndef WAN_EC_TONE_PRESENT
|
|
events.append("detect tones",", ");
|
|
#endif
|
|
if (!events.null())
|
|
Debug(this,DebugWarn,"The module is unable to: %s [%p]",
|
|
events.c_str(),this);
|
|
}
|
|
}
|
|
|
|
}; // anonymous namespace
|
|
|
|
#endif /* _WINDOWS */
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|