Connects an Called AE to an Calling AE. This function is available in the PACS Imaging Toolkit.
L_INT LDicomNet::Connect(pszHostAddress, nHostPort, pszPeerAddress, nPeerPort)
L_INT LDicomNet::Connect(pszHostAddress, nHostPort, pszPeerAddress, nPeerPort, nIpType)
Character string that contains the IP address of the Called AE computer (the SCU's address).
Port number of the Called AE (the SCU's port).
Character string that contains the IP address of the Calling AE computer to which to connect (the SCP's address).
Port number of the Calling AE computer to which to connect (the SCP's port).
The type of IP address. Possible values are:
|DICOM_IPTYPE_NONE||[0x000] Provided for initialization.|
|DICOM_IPTYPE_IPV4||[0x001] Only use IPv4 addresses.|
|DICOM_IPTYPE_IPV6||[0x002] Only use IPv6 addresses.|
|DICOM_IPTYPE_IPV4_OR_IPV6||[0x003] Use both IPv4 and IPv6 addresses.|
|>0||An error occurred. Refer to Return Codes.|
If pszHostAddress is " or NULL, the IP address will be the local computer's address.
If nHostPort is 0, the port number will be the number of the first available port. In most cases, you should pass 0 for this parameter. If you pass any port number other than 0, that port number will be used for the first connection and when you close the connection, LEADTOOLS will wait for the internal TCP timeout before releasing the port. This may lead to problems reconnecting. If you pass 0, then on subsequent connections LEADTOOLS will use the next available port.
To connect to an Calling AE as an Called AE, you must first create a DICOM Network object using LDicomNet::LDicomNet. Then call LDicomNet::Connect to establish the connection.
When an Called AE calls this function, it generates an LDicomNet::OnAccept function call on the Calling AE.
The LDicomNet::Connect(pszHostAddress, nHostPort, pszPeerAddress, nPeerPort, nIpType) overload allows you to specify the type of Internet Protocol Version to use. Pass DICOM_IPTYPE_IPV4 for nIpType to support the Internet Protocol version 4 (IPv4), which is the standard "dotted quad" 32-bit address format that has been in use since 1981. An example of an IPv4 address is 192.168.0.195
Pass DICOM_IPTYPE_IPV6 for nIpType to support Internet Protocol Version 6 (IPv6). IPv6 uses a 128-bit address format. An example of an IPv6 address is fe80::18bd:81f:6b02:759f.
To support both IPv4 and Ipv6 addresses, pass DICOM_IPTYPE_IPV6 for nIpType.
If the call to LDicomNet::Connect() fails, make sure that the IP address that you passed for pszHostAddress is a valid address that is accessible within your network. You can verify the accessibility of both IPv4 and IPv6 addresses using the windows ping command. For example, to verify that 192.168.0.195 is accessible within your network, perform the following steps:
Note that the following are equivalent:
pDicomNet->Connect(pszHostAddress, nHostPort, pszPeerAddress, nPeerPort);
DicomNet->Connect(pszHostAddress, nHostPort, pszPeerAddress, nPeerPort, DICOM_IPTYPE_IPV4);
For an example, refer to LDicomNet::SendCEchoRequest.
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