Decode and encode Cause type according to coding standard.
git-svn-id: http://yate.null.ro/svn/yate/trunk@5732 acf43c95-373e-0410-b603-e72c3f656dc1
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@ -1752,7 +1752,7 @@ static unsigned int encodeBCDNumber(const GSML3Codec* codec, uint8_t proto, con
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// reference: ETSI TS 124 008 V11.6.0, section 10.5.4.11 Cause
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static const TokenDict s_cause_dict[] = {
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static const TokenDict s_causeGSM_dict[] = {
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// normal-event class
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{"normal-event", 0x00},
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{"unallocated", 0x01}, // Unallocated (unassigned) number
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@ -1818,6 +1818,98 @@ static const TokenDict s_cause_dict[] = {
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{0,0}
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};
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// Q.850 2.2.5. Cause class: Bits 4-6
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// Q.850 Table 1. Cause value: Bits 0-6
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// Defined for CCITT coding standard
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static const TokenDict s_causeCCITT_dict[] = {
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// normal-event class
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{"normal-event", 0x00},
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{"unallocated", 0x01}, // Unallocated (unassigned) number
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{"noroute-to-network", 0x02}, // No route to specified transit network
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{"noroute", 0x03}, // No route to destination
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{"send-info-tone", 0x04}, // Send special information tone
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{"misdialed-trunk-prefix", 0x05}, // Misdialed trunk prefix
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{"channel-unacceptable", 0x06}, // Channel unacceptable
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{"call-delivered", 0x07}, // Call awarded and being delivered in an established channel
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{"preemption", 0x08}, // Preemption
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{"preemption-circuit-reserved", 0x09}, // Preemption circuit reserved for re-use
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{"ported-number", 0x0e}, // QoR: ported number Q.850 Addendum 1 (06/2000)
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{"excess-digits", 0x0e}, // Excess digits received, call is proceeding
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{"normal-clearing", 0x10}, // Normal Clearing
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{"busy", 0x11}, // User busy
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{"noresponse", 0x12}, // No user responding
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{"noanswer", 0x13}, // No answer from user (user alerted)
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{"offline", 0x14}, // Subscriber absent
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{"rejected", 0x15}, // Call Rejected
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{"moved", 0x16}, // Number changed
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{"redirection", 0x17}, // Redirection to new destination Q.850 05/98
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{"rejected-by-feature", 0x18}, // Call rejected due to feature at the destination Q.850 Amendment 1 (07/2001)
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{"looping", 0x19}, // Exchange routing error (hop counter) Q.850 05/98
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{"answered", 0x1a}, // Non-selected user clearing (answered elsewhere)
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{"out-of-order", 0x1b}, // Destination out of order
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{"invalid-number", 0x1c}, // Invalid number format
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{"facility-rejected", 0x1d}, // Facility rejected
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{"status-enquiry-rsp", 0x1e}, // Response to STATUS ENQUIRY
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{"normal", 0x1f}, // Normal, unspecified
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// resource-unavailable class
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{"resource-unavailable", 0x20}, // Resource unavailable
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{"congestion", 0x22}, // No circuit/channel available
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{"channel-congestion", 0x22},
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{"net-out-of-order", 0x26}, // Network out of order
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{"frame-mode-conn-down", 0x27}, // Permanent frame mode connection out of service
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{"frame-mode-conn-up", 0x28}, // Permanent frame mode connection operational
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{"noconn", 0x29},
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{"temporary-failure", 0x29}, // Temporary failure
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{"congestion", 0x2a}, // Switching equipment congestion
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{"switch-congestion", 0x2a},
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{"access-info-discarded", 0x2b}, // Access information discarded
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{"channel-unavailable", 0x2c}, // Requested channel not available
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{"preemption-congestion", 0x2e}, // Precedence call blocked
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{"noresource", 0x2f}, // Resource unavailable, unspecified
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{"service-unavailable", 0x30}, // Service or option not available
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{"qos-unavailable", 0x31}, // Quality of service unavailable
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{"facility-not-subscribed", 0x32}, // Requested facility not subscribed
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{"forbidden-out", 0x35}, // Outgoing call barred within CUG
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{"forbidden-in", 0x37}, // Incoming call barred within CUG
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{"bearer-cap-not-auth", 0x39}, // Bearer capability not authorized
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{"bearer-cap-not-available", 0x3a}, // Bearer capability not presently available
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{"nomedia", 0x3a},
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{"invalid-access-info-out", 0x3e}, // Inconsistency in designated outgoing access information and subscriber class
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{"service-unavailable", 0x3f}, // Service or option not available
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// service-not-implemented class
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{"bearer-cap-not-implemented", 0x41}, // Bearer capability not implemented
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{"channel-type-not-implemented", 0x42}, // Channel type not implemented
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{"facility-not-implemented", 0x45}, // Requested facility not implemented
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{"restrict-bearer-cap-avail", 0x46}, // Only restricted digital information bearer capability is available
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{"service-not-implemented", 0x4f}, // Service or option not implemented, unspecified
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// invalid-message class
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{"invalid-callref", 0x51}, // Invalid call reference value
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{"unknown-channel", 0x52}, // Identified channel does not exist
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{"unknown-callid", 0x53}, // A suspended call exists, but this call identity does not
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{"duplicate-callid", 0x54}, // Call identity in use
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{"no-call-suspended", 0x55}, // No call suspended
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{"suspended-call-cleared", 0x56}, // Call having the requested call identity has been cleared
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{"not-subscribed", 0x57}, // User not member of CUG
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{"incompatible-dest", 0x58}, // Incompatible destination
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{"unknown-group", 0x5a}, // Non-existent CUG
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{"invalid-transit-net", 0x5b}, // Invalid transit network selection
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{"invalid-message", 0x5f}, // Invalid message, unspecified
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// protocol-error class
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{"missing-mandatory-ie", 0x60}, // Mandatory information element is missing
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{"unknown-message", 0x61}, // Message type non-existent or not implemented
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{"wrong-message", 0x62}, // Message not compatible with call state, non-existent or not implemented
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{"unknown-ie", 0x63}, // Information element non-existent or not implemented
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{"invalid-ie", 0x64}, // Invalid information element contents
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{"wrong-state-message", 0x65}, // Message not compatible with call state
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{"timeout", 0x66}, // Recovery on timer expiry
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{"unknown-param-passed-on", 0x67}, // Parameter non-existent or not implemented, passed on
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{"unknown-param-message-droppped", 0x6e}, // Message with unrecognized parameter, discarded
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{"protocol-error", 0x6f}, // Protocol error, unspecified
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// interworking class
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{"interworking", 0x7f}, // Interworking, unspecified
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{0,0}
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};
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static const String s_causeRec = "rec";
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static const String s_causeDiag = "diagnostic";
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@ -1833,8 +1925,17 @@ static unsigned int decodeCause(const GSML3Codec* codec, uint8_t proto, const IE
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XmlElement* xml = new XmlElement(param->name);
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addXMLElement(out,xml);
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xml->setAttribute(s_progIndCoding,lookup(in[0] & 0x60,s_progIndCoding_dict,"unknown"));
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uint8_t coding = in[0] & 0x60;
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xml->setAttribute(s_progIndCoding,lookup(coding,s_progIndCoding_dict,"unknown"));
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xml->setAttribute(s_progIndLocation,lookup(in[0] & 0x0f,s_progIndLocation_dict,"unknown"));
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if (!(coding == 0x60 /* GSM PLMN */ || coding == 0x00 /* Q.931 */)) {
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Debug(codec->dbg(),DebugNote,"Unknown Cause coding standard=%s (%u), dumping data [%p]",
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lookup(coding,s_progIndCoding_dict,"unknown"),coding >> 5,codec->ptr());
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advanceBuffer(1,in,len);
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dumpData(in,len,xml);
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return GSML3Codec::NoError;
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}
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if (!(in[0] & 0x80)) {
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advanceBuffer(1,in,len);
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xml->setAttribute(s_causeRec,String(in[0] & 0x7f));
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@ -1842,7 +1943,7 @@ static unsigned int decodeCause(const GSML3Codec* codec, uint8_t proto, const IE
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advanceBuffer(1,in,len);
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if (!len)
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return CONDITIONAL_ERROR(param,IncorrectOptionalIE,IncorrectMandatoryIE);
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xml->setText(lookup(in[0] & 0x7f,s_cause_dict,"unspecified"));
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xml->setText(lookup(in[0] & 0x7f,(coding == 0 ? s_causeCCITT_dict : s_causeGSM_dict),"unspecified"));
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advanceBuffer(1,in,len);
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if (len) {
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String s;
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@ -1865,27 +1966,35 @@ static unsigned int encodeCause(const GSML3Codec* codec, uint8_t proto, const I
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return CONDITIONAL_ERROR(param,NoError,MissingMandatoryIE);
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const String* coding = xml->getAttribute(s_progIndCoding);
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const String* loc = xml->getAttribute(s_progIndLocation);
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uint8_t buf[4] = {0x80,0x80,0x80};
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uint8_t idx = 0;
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uint8_t cdg = 0x60; // set coding GSM PLMN if not provided
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if (!TelEngine::null(coding))
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cdg = lookup(*coding,s_progIndCoding_dict,0x60) & 0x60;
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buf[idx] |= cdg;
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if (TelEngine::null(loc)) // set location LPN if not provided
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buf[idx] |= 0x01;
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else
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buf[idx] |= lookup(*loc,s_progIndLocation_dict,0x01) & 0x0f;
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if (!(cdg == 0x00 || cdg == 0x60)) {
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Debug(codec->dbg(),DebugNote,"Unknown Cause coding standard=%s (%u), encoding from hexified <data> element [%p]",
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lookup(cdg,s_progIndCoding_dict,"unknown"),cdg >> 5,codec->ptr());
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out.append(buf,idx+1);
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getData(out,xml);
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return GSML3Codec::NoError;
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}
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const String& cause = xml->getText();
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if (TelEngine::null(cause))
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return CONDITIONAL_ERROR(param,IncorrectOptionalIE,IncorrectMandatoryIE);
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const String* rec = xml->getAttribute(s_causeRec);
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const String* diag = xml->getAttribute(s_causeDiag);
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uint8_t buf[4] = {0x80,0x80,0x80};
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uint8_t idx = 0;
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if (TelEngine::null(coding)) // set coding GSM PLMN if not provided
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buf[idx] |= 0x60;
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else
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buf[idx] |= lookup(*coding,s_progIndCoding_dict,0x60) & 0x60;
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if (TelEngine::null(loc)) // set location LPN if not provided
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buf[idx] |= 0x01;
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else
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buf[idx] |= lookup(*loc,s_progIndLocation_dict,0x01) & 0x0f;
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if (!TelEngine::null(rec)) {
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buf[idx++] &= 0x7f;
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buf[idx] |= rec->toInteger() & 0x7f;
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}
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idx++;
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buf[idx] |= lookup(cause,s_cause_dict,0) & 0x7f;
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buf[idx] |= lookup(cause,(coding == 0 ? s_causeCCITT_dict : s_causeGSM_dict),0) & 0x7f;
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out.append(buf,idx+1);
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if (!TelEngine::null(diag)) {
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DataBlock d;
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