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RasTbl.h
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//////////////////////////////////////////////////////////////////
//
// bookkeeping for RAS-Server in H.323 gatekeeper
//
// Copyright (c) 2000-2018, Jan Willamowius
//
// This work is published under the GNU Public License version 2 (GPLv2)
// see file COPYING for details.
// We also explicitly grant the right to link this code
// with the OpenH323/H323Plus and OpenSSL library.
//
//////////////////////////////////////////////////////////////////
#ifndef RASTBL_H
#define RASTBL_H "@(#) $Id$"
#include <list>
#include <map>
#include <string>
#include "rwlock.h"
#include "singleton.h"
#include "h225.h"
#include "sigmsg.h"
#include "config.h"
#include "gktimer.h"
#include "h323util.h"
#include "gkh235.h"
#ifdef HAS_H235_MEDIA
#include "h235auth.h"
#endif
namespace Routing {
class Route;
}
class USocket;
class CallSignalSocket;
class RasServer;
class Q931;
class H323TransportAddress;
enum CallLeg { Caller, Called };
enum RerouteState { NoReroute, RerouteInitiated, Rerouting };
enum H46019Side { SideA, SideB };
const int INVALID_OSSOCKET = -1;
const WORD INVALID_RTP_SESSION = 0;
const DWORD INVALID_MULTIPLEX_ID = 0;
const BYTE GNUGK_KEEPALIVE_RTP_PAYLOADTYPE = 116; // must at least be 1 less than MAX_DYNAMIC_PAYLOAD_TYPE
const BYTE MIN_DYNAMIC_PAYLOAD_TYPE = 96;
const BYTE MAX_DYNAMIC_PAYLOAD_TYPE = 127;
const unsigned WAIT_DELETE_AFTER_DISCONNECT = 30; // time to wait after disconnect before deleting call object
enum PortType { RASPort=1, Q931Port=2, H245Port=3, RTPPort=4, T120Port=5, RadiusPort=6, StatusPort=7 };
enum PortAction { PortOpen=1, PortClose=2 };
class DynamicPort
{
public:
DynamicPort(PortType type, PIPSocket::Address ip, WORD port) { m_type = type; m_ip = ip; m_port = port; }
bool operator==(const DynamicPort & other) const { return m_type == other.m_type && m_ip == other.m_ip && m_port == other.m_port; }
PortType m_type;
PIPSocket::Address m_ip;
WORD m_port;
};
// Template of smart pointer
// The class T must have Lock() & Unlock() methods
template<class T> class SmartPtr {
public:
explicit SmartPtr(T *t = NULL) : pt(t) { Inc(); }
SmartPtr(const SmartPtr<T> & p) : pt(p.pt) { Inc(); }
~SmartPtr() { Dec(); }
operator bool() const { return pt != NULL; }
T *operator->() const { return pt; }
bool operator==(const SmartPtr<T> & p) const { return pt == p.pt; }
bool operator!=(const SmartPtr<T> & p) const { return pt != p.pt; }
SmartPtr<T> &operator=(const SmartPtr<T> & p) {
if (pt != p.pt)
Dec(), pt = p.pt, Inc();
return *this;
}
private:
void Inc() const { if (pt) pt->Lock(); }
void Dec() const { if (pt) pt->Unlock(); }
T &operator*();
T *pt;
};
enum H46019TraversalType { None, TraversalClient, TraversalServer };
class EndpointRec
{
public:
/** Construct internal/out-of-zone endpoint from the specified RAS message.
RRQ builds an internal zone endpoint, ARQ, ACF and LCF build out-of-zone
endpoints.
*/
EndpointRec(
/// RRQ, ARQ, ACF or LCF that contains a description of the endpoint
const H225_RasMessage& ras,
/// permanent endpoint flag
bool permanent = false
);
virtual ~EndpointRec();
// public interface to access EndpointRec
H225_TransportAddress GetRasAddress() const;
H225_TransportAddress GetCallSignalAddress() const;
PIPSocket::Address GetIP() const;
H225_EndpointIdentifier GetEndpointIdentifier() const;
H225_ArrayOf_AliasAddress GetAliases() const;
H225_EndpointType GetEndpointType() const;
bool GetEndpointInfo(PString & vendor, PString & version) const;
int GetTimeToLive() const;
PIPSocket::Address GetNATIP() const;
CallSignalSocket *GetSocket();
CallSignalSocket *GetAndRemoveSocket();
int GetCallTypeOfNumber(bool called = true) const { return called ? m_calledTypeOfNumber : m_callingTypeOfNumber; }
int GetCallPlanOfNumber(bool called = true) const { return called ? m_calledPlanOfNumber : m_callingPlanOfNumber; }
int GetProxyType() const { return m_proxy; }
virtual void SetRasAddress(const H225_TransportAddress &);
virtual void SetCallSignalAddress(const H225_TransportAddress &);
virtual void SetTimeToLive(int);
virtual bool SetAliases(const H225_ArrayOf_AliasAddress &, PBoolean = false);
virtual bool RemoveAliases(const H225_ArrayOf_AliasAddress &);
virtual void AddNumbers(const PString & numbers);
virtual void SetEndpointType(const H225_EndpointType &);
virtual void SetEndpointInfo(const PString & vendor, const PString & version);
virtual long GetBandwidth() const { return m_bandwidth; }
virtual void SetBandwidth(long bw) { m_bandwidth = bw; if (m_bandwidth < 0) m_bandwidth = 0; }
virtual int GetMaxBandwidth() const { return m_maxBandwidth; }
virtual void Update(const H225_RasMessage & lightweightRRQ);
virtual bool IsGateway() const { return false; }
virtual void SetAdditiveRegistrant();
virtual bool IsAdditiveRegistrant() const;
/** Find if one of the given aliases matches any alias for this endpoint.
@return
true if the match has been found, false otherwise.
*/
virtual bool CompareAlias(
/// aliases to be matched (one of them)
const H225_ArrayOf_AliasAddress* aliases
) const;
virtual void LoadAliases(
/// aliases to be matched (one of them)
const H225_ArrayOf_AliasAddress& aliases,
const H225_EndpointType & type
);
/** Load additional endpoint settings from the config file.
Derived classes should call LoadConfig method of their base class
at the beginning of the overriden LoadConfig.
@return
True if the configuration has been updated successfully.
*/
virtual bool LoadConfig();
GkH235Authenticators * GetH235Authenticators();
void SetH235Authenticators(GkH235Authenticators * auth);
virtual EndpointRec *Unregisterpreempt(int type);
virtual EndpointRec *Reregister();
virtual EndpointRec *Unregister();
virtual EndpointRec *Expired();
//virtual void BuildACF(H225_AdmissionConfirm &) const;
//virtual void BuildLCF(H225_LocationConfirm &) const;
virtual PString PrintOn(bool verbose) const;
PString PrintPrefixCapacities() const;
PString PrintNatInfo(bool verbose) const;
void SetNAT(bool nat);
void SetNATAddress(const PIPSocket::Address &, WORD port = 0);
void SetNATSocket(CallSignalSocket * socket);
void RemoveNATSocket();
void NullNATSocket();
void SetH46024(bool support);
void SetH46024A(bool support);
void SetH46024B(bool support);
enum EPNatTypes {
NatUnknown,
NatOpen,
NatCone,
NatRestricted,
NatPortRestricted,
NatSymmetric,
FirewallSymmetric,
NatBlocked,
NatPartialBlocked
};
void SetEPNATType(int nattype) {m_epnattype = (EPNatTypes)nattype; }
void SetNATProxy(PBoolean support) {m_natproxy = support; }
void SetInternal(PBoolean internal) { m_internal = internal; }
void SetUsesH46023(bool uses) { m_usesH46023 = uses; }
void SetPriority(int priority) { m_registrationPriority = priority; }
void SetPreemption(bool support) { m_registrationPreemption = support; }
void SetAssignedGatekeeper(const H225_AlternateGK & gk) { m_assignedGatekeeper = gk; }
bool SetAssignedAliases(H225_ArrayOf_AliasAddress & assigned);
/** @return
true if this is a permanent endpoint loaded from the config file entry.
*/
bool IsPermanent() const;
bool IsUsed() const;
bool IsUpdated(const PTime *) const;
void DeferTTL();
bool IsNATed() const;
bool SupportH46024() const;
bool SupportH46024A() const;
bool SupportH46024B() const;
bool UseH46024B() const;
bool UsesH46023() const { return m_usesH46023; }
bool HasNATProxy() const;
bool IsInternal() const;
bool IsRemote() const;
int GetEPNATType() const { return (int)m_epnattype; }
static PString GetEPNATTypeString(EPNatTypes nat);
bool SupportPreemption() const { return m_registrationPreemption; }
int Priority() const { return m_registrationPriority; }
PTime GetUpdatedTime() const;
void SetUsesH460P(bool uses);
bool UsesH460P() const { return m_usesH460P; }
bool HasPresenceData();
#ifdef HAS_H460P
void ParsePresencePDU(const PASN_OctetString & pdu);
#ifndef HAS_H460P_VER_3
bool BuildPresencePDU(unsigned msgtag, PASN_OctetString & pdu);
#endif
#endif
/** If this Endpoint would be register itself again with all the same data
* how would this RRQ would look like? May be implemented with a
* built-together-RRQ, but for the moment a stored RRQ.
*/
H225_RasMessage GetCompleteRegistrationRequest() const;
void AddCall(const PString & dest);
void AddConnectedCall();
void RemoveCall(const PString & dest);
void Lock();
void Unlock();
bool SendIRQ();
bool HasCallCreditCapabilities() const;
/** Append a call credit related service control descriptor to the array
of service control sessions, if the endpoint supports call credit
capabilities.
*/
virtual bool AddCallCreditServiceControl(
H225_ArrayOf_ServiceControlSession& sessions, /// array to add the service control descriptor to
const PString& amountStr, /// user's account balance amount string
int billingMode, /// user's account billing mode (-1 if not set)
long callDurationLimit /// call duration limit (-1 if not set)
);
/** Append a URL related service control descriptor to the array
of service control sessions
*/
virtual bool AddHTTPServiceControl(
H225_ArrayOf_ServiceControlSession& sessions /// array to add the service control descriptor to
);
#if H323_H350
/** Append a H.350 related service control descriptor to the array
of service control sessions
*/
virtual bool AddH350ServiceControl(
H225_ArrayOf_ServiceControlSession& sessions /// array to add the service control descriptor to
);
#endif
/** @return
True if the endpoint can handle at least one more concurrent call.
*/
bool HasAvailableCapacity(const H225_ArrayOf_AliasAddress & aliases) const;
unsigned GetActiveCalls() const { return m_activeCall; }
// void DumpPrefixCapacity() const;
string LongestPrefixMatch(const PString & alias, int & capacity) const;
void UpdatePrefixStats(const PString & dest, int update);
// cause code translation
unsigned TranslateReceivedCause(unsigned cause) const;
unsigned TranslateSentCause(unsigned cause) const;
// adding a fixed alias to all calls _to_ this endpoint
PString GetAdditionalDestinationAlias() const { return m_additionalDestAlias; }
bool IsH46017Disabled() const { return m_h46017disabled; }
void SetUsesH46017(bool val) { m_usesH46017 = val; }
bool UsesH46017() const { return m_usesH46017; }
bool IsH46018Disabled() const { return m_h46018disabled; }
void SetUsesH46026(bool val) { m_usesH46026 = val; }
bool UsesH46026() const { return m_usesH46026; }
#ifdef HAS_H46026
unsigned GetH46026BW() const { return (m_maxBandwidth > 0) ? (m_maxBandwidth / 2) : 384000; }
#endif
void SetTraversalRole(H46019TraversalType val) { m_traversalType = val; m_nat = (val == TraversalClient); }
H46019TraversalType GetTraversalRole() const { return m_traversalType; }
bool IsTraversalServer() const { return m_traversalType == TraversalServer; }
bool IsTraversalClient() const { return m_traversalType == TraversalClient; }
void SetUseTLS(bool val) { m_useTLS = val; }
bool UseTLS() const { return m_useTLS; }
void SetTLSAddress(const H323TransportAddress & addr) { m_tlsAddress = addr; }
H323TransportAddress GetTLSAddress() const;
void SetUseIPSec(bool val) { m_useIPSec = val; }
bool UseIPSec() const { return m_useIPSec; }
#ifdef HAS_LANGUAGE
bool SetAssignedLanguage(const H225_RegistrationRequest_language & rrqLang, H225_RegistrationConfirm_language & rcfLang);
bool SetAssignedLanguage(H225_LocationConfirm_language & lcfLang);
#endif // HAS_LANGUAGE
void SetLanguages(const PStringList & languages) { m_languages = languages; }
const PStringList & GetLanguages() { return m_languages; }
PString GetDefaultLanguage();
bool AddCallingPartyToSourceAddress() const { return m_addCallingPartyToSourceAddress; }
PString GetDisabledCodecs() const { return m_disabledcodecs; }
// smart pointer for EndpointRec
typedef SmartPtr<EndpointRec> Ptr;
protected:
void SetEndpointRec(H225_RegistrationRequest &);
void SetEndpointRec(H225_AdmissionRequest &);
void SetEndpointRec(H225_AdmissionConfirm &);
void SetEndpointRec(H225_LocationConfirm &);
void SetEndpointRec(H225_UnregistrationRequest &); // used for temp objects
bool SendURQ(H225_UnregRequestReason::Choices, int preemption);
private:
/// Load general endpoint settings from the config
void LoadEndpointConfig();
void AddPrefixCapacities(const PString & prefixes);
EndpointRec();
EndpointRec(const EndpointRec &);
EndpointRec & operator= (const EndpointRec &);
protected:
/**This field may disappear sometime when GetCompleteRegistrationRequest() can
* build its return value itself.
* @see GetCompleteRegistrationRequest()
*/
H225_RasMessage m_RasMsg;
H225_TransportAddress m_rasAddress;
H225_TransportAddress m_callSignalAddress;
H225_EndpointIdentifier m_endpointIdentifier;
H225_ArrayOf_AliasAddress m_terminalAliases;
H225_EndpointType *m_terminalType;
H225_VendorIdentifier *m_endpointVendor;
int m_timeToLive; // seconds
int m_defaultKeepAliveInterval; // for H.460.10 in seconds
int m_activeCall, m_connectedCall, m_totalCall;
/// active calls per prefix (regex)
std::map<string, int> m_activePrefixCalls;
int m_pollCount, m_usedCount;
mutable PMutex m_usedLock;
PTime m_updatedTime;
bool m_fromParent, m_nat;
PIPSocket::Address m_natip;
CallSignalSocket *m_natsocket;
/// permanent (preconfigured) endpoint flag
bool m_permanent;
/// can understand H.225 CallCreditServiceControl
bool m_hasCallCreditCapabilities;
/// session number for call credit service control session
int m_callCreditSession;
/// endpoint call capacity, -1 means no limit
long m_capacity;
/// capacity per prefix (regex)
list<pair<string, int> > m_prefixCapacities;
int m_calledTypeOfNumber, m_callingTypeOfNumber;
int m_calledPlanOfNumber, m_callingPlanOfNumber;
/// Proxy Type
int m_proxy;
/// Registration Priority Number
int m_registrationPriority;
/// Support Registration PreEmption
bool m_registrationPreemption;
/// Assigned Gatekeeper
H225_AlternateGK m_assignedGatekeeper;
/// cause code translation
std::map<unsigned, unsigned> m_receivedCauseMap;
std::map<unsigned, unsigned> m_sentCauseMap;
/// additional alias to be added to all calls TO this endpoint
PString m_additionalDestAlias;
EPNatTypes m_epnattype;
bool m_usesH46023, m_H46024, m_H46024a, m_H46024b, m_natproxy, m_internal, m_remote;
bool m_h46017disabled;
bool m_h46018disabled;
bool m_usesH460P;
bool m_hasH460PData;
bool m_usesH46017;
bool m_usesH46026;
H46019TraversalType m_traversalType; // this is not what GnuGk acts like, but what this EPRec is a proxy for
long m_bandwidth; // bandwidth currently occupied by this endpoint
long m_maxBandwidth; // maximum bandwidth allowed for this endpoint
bool m_useTLS;
H323TransportAddress m_tlsAddress;
bool m_useIPSec; // for H.460.22 negotiation
bool m_additiveRegistrant;
PStringList m_languages; // languages the user of this endpoint supports
bool m_addCallingPartyToSourceAddress; // per endpoint switch
/// list of disabled codes
PString m_disabledcodecs;
/// H.235 used to authenticate this endpoint
GkH235Authenticators * m_authenticators;
};
typedef EndpointRec::Ptr endptr;
class GatewayRec : public EndpointRec {
public:
typedef std::map<std::string, int>::iterator prefix_iterator;
typedef std::map<std::string, int>::const_iterator const_prefix_iterator;
GatewayRec(const H225_RasMessage & completeRAS, bool Permanent=false);
virtual void SetEndpointType(const H225_EndpointType &);
virtual void Update(const H225_RasMessage & lightweightRRQ);
virtual bool IsGateway() const { return true; }
/// Overiden from EndpointRec
virtual bool LoadConfig();
/** Find if at least one of the given aliases matches any prefix
for this gateway.
@return
Length (number of characters) of the match, 0 if no match has been
found and this is the default gateway, -1 if no match has been found
and this is not the default gateway.
*/
virtual int PrefixMatch(
/// aliases to be matched (one of them)
const H225_ArrayOf_AliasAddress& aliases
) const;
/** Find if at least one of the given aliases matches any prefix
for this gateway and return an index of the matched alias.
@return
Length (number of characters) of the match, 0 if no match has been
found and this is the default gateway, -1 if no match has been found
and this is not the default gateway.
*/
virtual int PrefixMatch(
/// aliases to be matched (one of them)
const H225_ArrayOf_AliasAddress & aliases,
/// filled with an index of the matching alias (if found)
int & matchedalias,
/// priority of matched prefix
int & priority
) const;
//virtual void BuildLCF(H225_LocationConfirm &) const;
virtual PString PrintOn(bool verbose) const;
void AddPrefixes(const H225_ArrayOf_SupportedProtocols &);
void AddPrefixes(const PString &);
void SortPrefixes();
/** @return
Priority for this gateway, when more than one gateway matches
a dialed number.
*/
int GetPriority() const { return priority; }
//void DumpPriorities() const;
private:
/// Load gateway specific settings from the config
void LoadGatewayConfig();
GatewayRec();
GatewayRec(const GatewayRec &);
GatewayRec & operator=(const GatewayRec &);
protected:
std::map<std::string, int> Prefixes;
bool defaultGW;
/// priority for this gateway (when more than one gw matches a dialed number)
int priority;
};
class OutOfZoneEPRec : public EndpointRec {
public:
OutOfZoneEPRec(const H225_RasMessage & completeRAS, const H225_EndpointIdentifier &);
virtual EndpointRec *Unregister() { return this; }
virtual EndpointRec *Expired() { return this; }
};
class OutOfZoneGWRec : public GatewayRec {
public:
OutOfZoneGWRec(const H225_RasMessage & completeRAS, const H225_EndpointIdentifier &);
virtual EndpointRec *Unregister() { return this; }
virtual EndpointRec *Expired() { return this; }
};
class EPQoS {
public:
EPQoS() { Init(); }
EPQoS(PTime lastMsg) { Init(); m_lastMsg = lastMsg; }
~EPQoS() { }
void Init();
PString AsString() const;
void IncrementCalls() { m_numCalls++; }
void SetAudioPacketLossPercent(float val) { m_audioPacketLossPercent = val; }
void SetAudioJitter(unsigned val) { m_audioJitter = val; }
void SetVideoPacketLossPercent(float val) { m_videoPacketLossPercent = val; }
void SetVideoJitter(unsigned val) { m_videoJitter = val; }
protected:
PTime m_lastMsg;
unsigned m_numCalls;
float m_audioPacketLossPercent;
unsigned long m_audioJitter;
float m_videoPacketLossPercent;
unsigned long m_videoJitter;
};
class RegistrationTable : public Singleton<RegistrationTable> {
public:
typedef std::list<EndpointRec *>::iterator iterator;
typedef std::list<EndpointRec *>::const_iterator const_iterator;
RegistrationTable();
~RegistrationTable();
endptr InsertRec(H225_RasMessage & rrq, PIPSocket::Address = GNUGK_INADDR_ANY);
endptr InsertRec(const H225_Setup_UUIE & setupBody, H225_TransportAddress addr);
void RemoveByEndptr(const endptr & eptr);
endptr FindByEndpointId(const H225_EndpointIdentifier & endpointId) const;
endptr FindBySignalAdr(const H225_TransportAddress &, PIPSocket::Address = GNUGK_INADDR_ANY) const;
endptr FindBySignalAdrIgnorePort(const H225_TransportAddress &, PIPSocket::Address = GNUGK_INADDR_ANY) const;
endptr FindOZEPBySignalAdr(const H225_TransportAddress &) const;
endptr FindByAliases(const H225_ArrayOf_AliasAddress & alias) const;
endptr FindFirstEndpoint(const H225_ArrayOf_AliasAddress & alias);
bool FindEndpoint(
const H225_ArrayOf_AliasAddress &aliases,
bool roundRobin,
bool leastUsedRouting,
bool searchOutOfZone,
std::list<Routing::Route> &routes
);
void ClearTable();
void UpdateTable();
void CheckEndpoints();
// handle remote closing of a NAT socket
void OnNATSocketClosed(CallSignalSocket * s);
#ifdef HAS_H46017
void UnregisterAllH46017Endpoints();
#endif
void UnregisterAllEndpointsNotInCall();
void PrintAllRegistrations(USocket *client, bool verbose=FALSE);
void PrintAllCached(USocket *client, bool verbose=FALSE);
void PrintRemoved(USocket *client, bool verbose=FALSE);
void PrintPrefixCapacities(USocket *client, PString alias) const;
void PrintEndpointQoS(USocket *client); //const;
PString PrintStatistics() const;
// void PrintOn( ostream &strm ) const;
/** Updates Prefix + Flags for all aliases */
void LoadConfig();
PINDEX Size() const { return regSize; }
private:
endptr InternalInsertEP(H225_RasMessage &);
endptr InternalInsertOZEP(H225_RasMessage &, H225_LocationConfirm &);
endptr InternalInsertOZEP(H225_RasMessage &, H225_AdmissionConfirm &);
endptr InternalInsertOZEP(const H225_Setup_UUIE & setupBody, H225_TransportAddress addr);
void InternalPrint(USocket *, bool, std::list<EndpointRec *> *, PString &);
void InternalStatistics(const std::list<EndpointRec *> *, unsigned & s, unsigned & t, unsigned & g, unsigned & n) const;
void InternalRemove(iterator);
template<class F> endptr InternalFind(const F & FindObject) const
{ return InternalFind(FindObject, &EndpointList); }
template<class F> endptr InternalFind(const F & FindObject, const std::list<EndpointRec *> *ListToBeFound) const
{ // The function body must be put here,
// or the stupid VC would fail to instantiate it
ReadLock lock(listLock);
const_iterator Iter(find_if(ListToBeFound->begin(), ListToBeFound->end(), FindObject));
return endptr((Iter != ListToBeFound->end()) ? *Iter : NULL);
}
endptr InternalFindFirstEP(const H225_ArrayOf_AliasAddress & alias, std::list<EndpointRec *> *ListToBeFound);
bool InternalFindEP(const H225_ArrayOf_AliasAddress & alias, std::list<EndpointRec *> *ListToBeFound, bool roundrobin, bool leastUsedRouting, std::list<Routing::Route> &routes);
void GenerateEndpointId(H225_EndpointIdentifier & NewEndpointId, PString prefix = "");
void GenerateAlias(H225_ArrayOf_AliasAddress &, const H225_EndpointIdentifier &) const;
std::list<EndpointRec *> EndpointList;
std::list<EndpointRec *> OutOfZoneList;
std::list<EndpointRec *> RemovedList;
int regSize;
mutable PReadWriteMutex listLock;
PMutex findmutex; // Endpoint Find Mutex
PString endpointIdSuffix; // Suffix of the generated Endpoint IDs
// not assignable
RegistrationTable(const RegistrationTable &);
RegistrationTable& operator=(const RegistrationTable &);
};
template<class> class RasPDU;
#ifdef HAS_H46018
enum KeepAliveType { RTP, RTCP };
class H46019KeepAlive
{
public:
H46019KeepAlive();
~H46019KeepAlive();
void SendKeepAlive(GkTimer* timer);
void StopKeepAlive();
unsigned flcn;
KeepAliveType type;
IPAndPortAddress dest;
unsigned interval;
unsigned seq;
int ossocket;
DWORD multiplexID;
BYTE payloadType;
GkTimerManager::GkTimerHandle timer;
};
#endif
// record of one active call
#ifdef HAS_H460
class H4609_QosMonitoringReportData;
#ifdef HAS_H46024B
class H323TransportAddress;
#endif // HAS_H46024B
#endif // HAS_H460
#ifdef HAS_H46018
// direction definitions for H.460.19
#define H46019_NONE 0 // m_h46019dir = 0 ' No party needs H.460.19, so skip the code
#define H46019_CALLER 1 // m_h46019dir = 1 ' Caller needs H.460.19
#define H46019_CALLED 2 // m_h46019dir = 2 ' Called needs H.460.19
#define H46019_BOTH (H46019_CALLER + H46019_CALLED) // m_h46019dir = 3 ' Both need it
#endif // HAS_H46018
class CallRec {
public:
/// flag to overwrite proxy settings for the call
enum ProxyMode {
ProxyDetect, /// use global settings from the config
ProxyEnabled, /// force full proxy mode
ProxyDisabled /// disable full proxy mode
};
/// the combination of ProxyMode, RoutedMode and H245 routing
enum RoutingMode {
Undefined = 0,
SignalRouted,
H245Routed,
Proxied
};
/// who disconnected the call
enum ReleaseSource {
ReleasedByGatekeeper,
ReleasedByCaller,
ReleasedByCallee
};
/// build a new call record from the received ARQ message
CallRec(
/// ARQ with call information
const RasPDU<H225_AdmissionRequest> & arq,
/// bandwidth occupied by the call
long bandwidth,
/// called party's aliases in a string form
const PString & destInfo,
/// override proxy mode global setting from the config
int proxyMode = ProxyDetect
);
/// build a new call record from the received Setup message
CallRec(
/// Q.931 Setup pdu with call information
const Q931 & q931pdu,
/// H.225.0 Setup-UUIE pdu with call information
const H225_Setup_UUIE & setup,
/// force H.245 routed mode
bool routeH245,
/// called party's aliases in a string form
const PString & destInfo,
/// override proxy mode global setting from the config
int proxyMode = ProxyDetect
);
/// build a new call record with just a callID and transport adr (after H.460.18 SCI)
CallRec(const H225_CallIdentifier & callID, H225_TransportAddress sigAdr);
CallRec(CallRec * oldCall);
virtual ~CallRec();
enum NATType { // who is nated?
none = 0,
callingParty = 1,
calledParty = 2,
both = 3
};
PINDEX GetCallNumber() const { return m_CallNumber; }
const H225_CallIdentifier & GetCallIdentifier() const { return m_callIdentifier; }
void ClearCallIdentifier() { m_callIdentifier = 0; }
unsigned GetCallRef() const { return m_crv; }
const H225_ConferenceIdentifier & GetConferenceIdentifier() const { return m_conferenceIdentifier; }
endptr GetCallingParty() const { return m_Calling; }
endptr GetCalledParty() const { return m_Called; }
endptr GetForwarder() const { return m_Forwarder; }
long GetBandwidth() const { return m_bandwidth; }
bool HasPostDialDigits() const { return !m_postdialdigits.IsEmpty(); }
PString GetPostDialDigits() const { return m_postdialdigits; }
void SetPostDialDigits(const PString & digits) { m_postdialdigits = digits; }
/** @return
A bit mask with NAT flags for calling and called parties.
See #NATType enum# for more details.
*/
int GetNATType() const { return m_nattype; }
int GetNATType(
/// filled with NAT IP of the calling party (if nat type is callingParty)
PIPSocket::Address& callingPartyNATIP,
/// filled with NAT IP of the called party (if nat type is calledParty)
PIPSocket::Address& calledPartyNATIP
) const;
#ifdef HAS_H46023
// Override the calculated NAT type
void SetNATType(int newNatType) { m_nattype = newNatType; }
/** Can the call party be used to bypass proxy for NAT
*/
enum NatStrategy {
e_natUnknown,
e_natNoassist,
e_natLocalMaster,
e_natRemoteMaster,
e_natLocalProxy,
e_natRemoteProxy,
e_natFullProxy,
e_natAnnexA, // Same NAT
e_natAnnexB, // Nat Offload
e_natFailure = 100
};
/** Return whether a call can be offloaded from having to proxy
*/
bool NATOffLoad(bool iscalled, NatStrategy & natinst);
/** Return whether an unknown incoming call can be offloaded from having to proxy
*/
bool NATAssistCallerUnknown(NatStrategy & natinst);
/** Set Receive Side Strategy
*/
void SetReceiveNATStategy(NatStrategy & type, int & proxyMode);
/** Get String representation of the NATStrategy */
PString GetNATOffloadString(NatStrategy nat) const;
/** Get the NATStrategy Default is Unknown */
NatStrategy GetNATStrategy() const { return m_natstrategy; }
/** Set the NATStrategy */
void SetNATStrategy(NatStrategy strategy) { m_natstrategy = strategy; }
/** Can Signalling be offloaded
*/
bool NATSignallingOffload(bool isAnswer) const;
#ifdef HAS_H46024A
/** Whether Annex A passthrough
*/
bool IsH46024APassThrough();
/** Send a H.460.24 Annex A indication
*/
PBoolean H46024AMessage();
/** GetSignallingSocket */
CallSignalSocket * H46024ASignalSocket();
#endif // HAS_H46024A
#ifdef HAS_H46024B
/** GetSignallingSocket */
CallSignalSocket * H46024BSignalSocket(bool response);
/** Initiate Probe */
void H46024BInitiate(WORD sessionID, const IPAndPortAddress & fwd, const IPAndPortAddress & rev, unsigned muxID_fwd = 0, unsigned muxID_rev = 0);
/** Response Probe */
void H46024BRespond();
/** Set session callback flag */
void H46024BSessionFlag(WORD sessionID);
/** Handle H46024B Request */
bool HandleH46024BRequest(const H245_ArrayOf_GenericParameter & content);
#endif // HAS_H46024B
/** Return whether the endpoints are registered at the same gatekeeper so
only 1 gatekeeper is involved in the call
*/
bool SingleGatekeeper() const;
#endif // HAS_H46023
/** Return remote party device information
*/
bool GetRemoteInfo(PString & vendor, PString & version);
/** @return
Current proxy mode flag (see #ProxyMode enum#).
*/
int GetProxyMode() const { return m_proxyMode; }
/// Override proxy mode global setting from the config
void SetProxyMode(
int mode /// proxy mode flag (see #ProxyMode enum#)
);
CallSignalSocket *GetCallSignalSocketCalled() { return m_calledSocket; }
CallSignalSocket *GetCallSignalSocketCalling() { return m_callingSocket; }
const H225_ArrayOf_CryptoH323Token & GetAccessTokens() const { return m_accessTokens; }
PString GetInboundRewriteId() const { return m_inbound_rewrite_id; }
PString GetOutboundRewriteId() const { return m_outbound_rewrite_id; }
void SetCallNumber(PINDEX i) { m_CallNumber = i; }
void SetCalling(const endptr & NewCalling);
void SetCalled(const endptr & NewCalled);
void SetForward(CallSignalSocket *, const H225_TransportAddress &, const endptr &, const PString &, const PString &);
void RerouteDropCalling();
void RerouteDropCalled();
void AddChannelFlcn(WORD flcn) { m_channelFlcnList.push_back(flcn); } // list of all channel Flcn every _tried_ to open
vector<WORD> GetChannelFlcnList() const { return m_channelFlcnList; } // list of all channel Flcn every _tried_ to open
void ClearChannelFlcnList() { m_channelFlcnList.clear(); }
bool DropCalledAndTryNextRoute();
void SetBandwidth(long bandwidth) { m_bandwidth = bandwidth; if (m_bandwidth < 0) m_bandwidth = 0; }
void SetSocket(CallSignalSocket *, CallSignalSocket *);
void SetCallSignalSocketCalling(CallSignalSocket* socket);
void SetCallSignalSocketCalled(CallSignalSocket* socket);
void SetToParent(bool toParent) { m_toParent = toParent; }
void SetFromParent(bool fromParent) { m_fromParent = fromParent; }
void SetAccessTokens(const H225_ArrayOf_CryptoH323Token & tokens) { m_accessTokens = tokens; }
void SetInboundRewriteId(PString id) { m_inbound_rewrite_id = id; }
void SetOutboundRewriteId(PString id) { m_outbound_rewrite_id = id; }
void SetConnected();
void Disconnect(bool = false); // send ReleaseComplete ?
void RemoveAll();
void RemoveSocket();
void SendReleaseComplete(const H225_CallTerminationCause * = NULL);
void BuildDRQ(H225_DisengageRequest &, unsigned reason) const;
bool CompareCallId(const H225_CallIdentifier *CallId) const;
bool CompareCRV(WORD crv) const;
bool CompareCallNumber(PINDEX CallNumber) const;
bool CompareEndpoint(const endptr *) const;
bool CompareSigAdr(const H225_TransportAddress *adr) const;
bool CompareSigAdrIgnorePort(const H225_TransportAddress *adr) const;
/** @return
true if the call has been connected - a Connect message
has been received in gk routed signaling or the call has been admitted
(ARQ->ACF) in direct signaling. Does not necessary mean
that the call is still in progress (may have been already disconnected).
*/
bool IsConnected() const { return (m_connectTime != 0); }
void SetH245Routed(PBoolean routed) { m_h245Routed = routed; }
bool IsH245Routed() const { return m_h245Routed; }
bool IsToParent() const { return m_toParent; } // to _or_ from parnet
bool IsFromParent() const { return m_fromParent; } // from parent only
bool IsForwarded() const { return m_forwarded; }
bool IsSocketAttached() const { return (m_callingSocket != NULL); }
PString GenerateCDR(
/// timestamp formatting string (empty for a default RFC822 format)
const PString & timestampFormat = PString::Empty()
) const;
PString PrintOn(bool verbose) const;
PString GetMediaRouting() const;
PString PrintPorts() const;
PString PrintFullInfo() const;
void Lock();
void Unlock();
bool IsUsed() const;
/** @return
Q.931 ReleaseComplete cause code for the call.
0 if the disconnect cause could not be determined.
*/
unsigned GetDisconnectCause() const;
/** Set Q.931 ReleaseComplete cause code associated with this call. */
void SetDisconnectCause(unsigned causeCode);
/** @return
Q.931 ReleaseComplete cause code after translation.
*/
unsigned GetDisconnectCauseTranslated() const;
/** Set Q.931 ReleaseComplete cause code after translation rules for this call. */
void SetDisconnectCauseTranslated(unsigned causeCode);
/// @return Information about who disconnected the call (see #ReleaseSource enum#)
int GetReleaseSource() const;
/// Set information about who disconnected the call
void SetReleaseSource(
int releaseSentFrom /// see #ReleaseSource enum#
);
/** Set maximum duration limit (in seconds) for this call */
void SetDurationLimit(
long seconds /// duration limit to be set
);
/** Set the client provided authentication id **/
void SetClientAuthId(PUInt64 id) { m_clientAuthId = id; }
PUInt64 GetClientAuthId() const { return m_clientAuthId; }
/** Set list of codecs to disable for this call */
void SetDisabledCodecs(const PString & codecs);
void AddDisabledCodecs(const PString & codecs);
PString GetDisabledCodecs() const { return m_disabledcodecs; }
/** @return