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function	TCPServiceOpen

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Other Library Functions

Library: TCP/IP Include: omioprot.xin, omtcp.xin

Returns: Opaque Returns a TCP service object.

Declaration

  define external TCPService function TCPServiceOpen
       at value counter port-number optional initial {0}
  as TCPServiceOpen

Purpose

This function is used by a server program to create a TCP service port on which it will listen for incoming client-initiated service requests. If no port number is given, then TCPServiceOpen chooses an available port number for you. In this case, TCPServiceGetPort can be used to learn which port was chosen.

If TCPServiceOpen fails, it still returns a TCP service object. This failure object is in error and is closed.

Argument:

• "port-number" is the port number on which the TCP service object is created.

Example:

  set omdemo-service to TCPServceOpen at 5600

Related Concepts    Security considerations

Other Library Functions    TCPConnectionClose    TCPConnectionGetCharacters    TCPConnectionGetLine    TCPConnectionGetOutput    TCPConnectionGetPeerIP    TCPConnectionGetPeerName    TCPConnectionGetSource    TCPConnectionGetStatusReport    TCPConnectionIsConnected    TCPConnectionIsInError    TCPConnectionOpen    TCPConnectionPut    TCPConnectionSetBuffering    TCPConnectionSignalSourceEnd    TCPIsVersionCompatible    TCPLibraryVersion    TCPServiceAcceptConnection    TCPServiceClose    TCPServiceGetPort    TCPServiceGetStatusReport    TCPServiceIsInError    TCPServiceIsOpen    TCPServiceOpen    TCPTraceConnectionOpen

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