Appendix A: QSOCKET
| Rapid-Q Documentation by William Yu (c)1999-2000 |
Appendix A: QSOCKET |
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QSOCKET Component
QSocket provides an easy to use interface to communicate between server/client with
sockets.
QSocket Properties
| Field | Type | R/W | Default | Support |
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| Family | INTEGER | RW | AF_INET | W |
| Family specifies the address family.
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| LParam | INTEGER | RW | FD_CONNECT | W |
| LParam specifies the message to capture when you set WMessage and handle the message processing by assigning a new WndProc to your form.
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| MySocket | INTEGER | R | | WXG |
| MySocket stores the result of operations such as Open. So instead of using the return value of Open, you can use the property MySocket.
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| Parent | QFORM | W | | W |
| Protocol | INTEGER | RW | IPPROTO_IP | W |
| Tag | INTEGER | RW | | WXG |
| Transferred | INTEGER | R | | WXG |
| Type | INTEGER | RW | SOCK_STREAM | W |
| WMessage | INTEGER | RW | 0 | W |
| WMessage specifies a user defined message to be passed to your form for non-blocking calls, ie. Connecting.
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QSocket Methods
| Method | Type | Description | Params | Support |
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| Accept | FUNCTION ClientSock%(Socket%) | Accepts Client Connection | 1 | WXG |
| Close | SUB (Socket%) | Closes Socket% file descriptor | 1 | WXG |
| Connect | FUNCTION Sock%(ServerName$, PortNum%) | Connect to server on PortNum% | 2 | WXG |
| ConnectionReady | FUNCTION Bool%(Sock%) | True/False if connection pending | 1 | WXG |
| GetHostIP | FUNCTION AS STRING | Returns host IP Address | 0 | WXG |
| GetHostName | FUNCTION AS STRING | Returns host name | 0 | WXG |
| GetPeerName | FUNCTION GetPeerName$(Socket%) | Returns peer name | 1 | WXG |
| IsClientReady | FUNCTION Bool%(Sock%, ClientSock%) | True/False if client is sending data | 2 | WXG |
| IsServerReady | FUNCTION Bool%(Sock%) | True/False if server is sending data | 1 | WXG |
| Open | FUNCTION Sock%(PortNum%) | Open TCP server on PortNum% | 1 | WXG |
| Peek | FUNCTION Peek$(Socket%, NumBytes%) | Peek information coming from socket, but do not clear. Win32 | 2 | W |
| Read | FUNCTION Message$(Socket%, NumBytes%) | Read NumBytes% | 2 | WXG |
| ReadByte | FUNCTION (Socket%) AS BYTE | Read a single byte | 2 | WXG |
| ReadLine | FUNCTION Message$(Socket%) | Read complete line | 1 | WXG |
| Write | SUB (Socket%, Message$, NumBytes%) | Sends NumBytes% from Message$ | 3 | WXG |
| WriteByte | SUB (Socket%, B AS BYTE) | Sends a single byte | 2 | WXG |
| WriteLine | FUNCTION Bytes%(Socket%, Message$) | Send Message$ | 2 | WXG |
QSocket Examples
See the chatserver.bas and chatclient.bas (or chatserv.bas and chatcli.bas for Windows)
included in the Rapid-Q distribution.
Also take a look at http.bas included in the Rapid-Q for Windows distribution.
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