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An interface to a Signalling Transport user adaptation component
enum MsgClass { MGMT = 0, TRAN = 1, SSNM = 2, ASPSM = 3, ASPTM = 4, QPTM = 5, MAUP = 6, CLMSG = 7, COMSG = 8, RKM = 9, IIM = 10, M2PA = 11, } | MsgClass |
Message classes
enum MsgMGMT { MgmtERR = 0, MgmtNTFY = 1, } | MsgMGMT |
Management messages
enum MsgSSNM { SsnmDUNA = 1, SsnmDAVA = 2, SsnmDAUD = 3, SsnmSCON = 4, SsnmDUPU = 5, SsnmDRST = 6, } | MsgSSNM |
Signalling Network Management messages
enum MsgASPSM { AspsmUP = 1, AspsmDOWN = 2, AspsmBEAT = 3, AspsmUP_ACK = 4, AspsmDOWN_ACK = 5, AspsmBEAT_ACK = 6, } | MsgASPSM |
ASP State Maintenance messages
enum MsgASPTM { AsptmACTIVE = 1, AsptmINACTIVE = 2, AsptmACTIVE_ACK = 3, AsptmINACTIVE_ACK = 4, } | MsgASPTM |
ASP Traffic Maintenance messages
enum MsgRKM { RkmREG_REQ = 1, RkmREG_RSP = 2, RkmDEREG_REQ = 3, RkmDEREG_RSP = 4, } | MsgRKM |
Routing Key Management messages
enum MsgIIM { IimREG_REQ = 1, IimREG_RSP = 2, IimDEREG_REQ = 3, IimDEREG_RSP = 4, } | MsgIIM |
Interface Identifier Management messages
explicit SIGTRAN (u_int32_t payload = 0, u_int16_t port = 0)
| SIGTRAN |
Constructs an uninitialized signalling transport
Parameters:
payload | SCTP payload code, ignored for other transports |
port | SCTP/TCP/UDP default port used for transport |
~SIGTRAN ()
| ~SIGTRAN |
[virtual]
Destructor, terminates transport layer
void attach (SIGTransport* trans)
| attach |
[virtual]
Attach a transport (connectivity provider)
Parameters:
trans | Transport to attach to this component |
inline SIGTransport* transport ()
| transport |
[const]
Get the transport of this user adaptation component
Returns: Pointer to the transport layer or NULL
inline u_int32_t payload ()
| payload |
[const]
Get the SCTP payload of this user adaptation component
Returns: SCTP payload code
inline u_int16_t defPort ()
| defPort |
[const]
Get the default SCTP/TCP/UDP port used for transport
Returns: Default protocol port, 0 if unknown or not set
bool connected (int streamId = 0)
| connected |
[const]
Check if the network transport layer is connected
Parameters:
streamId | Identifier of the stream to check if applicable |
Returns: True if the transport (and stream if applicable) is connected
void notifyLayer (SignallingInterface::Notification status)
| notifyLayer |
[virtual]
const TokenDict* classNames ()
| classNames |
[static]
Message class names dictionary
Returns: Pointer to dictionary of message classes
const char* typeName (unsigned char msgClass, unsigned char msgType,
const char* defValue = 0)
| typeName |
[static]
Message types name lookup
Parameters:
msgClass | Class of the message to look up |
msgType | Type of the message, depends on the class |
defValue | Value to return if lookup fails |
Returns: Pointer to message type name
bool transmitMSG (unsigned char msgVersion, unsigned char msgClass,
unsigned char msgType, const DataBlock& msg, int streamId = 0)
| transmitMSG |
[const]
Transmit a message to the network transport layer
Parameters:
msgVersion | Version of the protocol |
msgClass | Class of the message |
msgType | Type of the message, depends on the class |
msg | Message data, may be empty |
streamId | Identifier of the stream to send the data over |
Returns: True if the message was transmitted to network
inline bool transmitMSG (unsigned char msgClass, unsigned char msgType,
const DataBlock& msg, int streamId = 0)
| transmitMSG |
[const]
Transmit a message with default version to the network transport layer
Parameters:
msgClass | Class of the message |
msgType | Type of the message, depends on the class |
msg | Message data, may be empty |
streamId | Identifier of the stream to send the data over |
Returns: True if the message was transmitted to network
bool restart (bool force)
| restart |
Restart the underlaying transport
Parameters:
force | True to hard restart, false to force restart if transport is down |
Returns: True if the transport was notified that it needs to restart
bool getSocketParams (const String& params, NamedList& result)
| getSocketParams |
Get sctp socket parameters.
Parameters:
params | List of parameters to obtain |
result | List of parameters to fill |
Returns: True if operation was successful, false if an error occurred
bool transportNotify (SIGTransport* newTransport, const SocketAddr& addr)
| transportNotify |
[virtual]
Notification that a new incomming connection has been made
Parameters:
newTransport | The new created transport |
addr | The newly created transport socket address |
Returns: True if the newTransport will be used.
bool hasTransportThread ()
| hasTransportThread |
Check if the transport thread is running
Returns: true if the transport thread is running
void stopTransportThread ()
| stopTransportThread |
Stop the transport thread
bool processMSG (unsigned char msgVersion, unsigned char msgClass,
unsigned char msgType, const DataBlock& msg, int streamId)
| processMSG |
[protected pure virtual]
Process a complete message
Parameters:
msgVersion | Version of the protocol |
msgClass | Class of the message |
msgType | Type of the message, depends on the class |
msg | Message data, may be empty |
streamId | Identifier of the stream the message was received on |
Returns: True if the message was handled
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