52 lines
2.8 KiB
Plaintext
52 lines
2.8 KiB
Plaintext
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get(*url, *add_header);
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*url = pointer to ASCIIZ URL
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*add_header = pointer to ASCIIZ additional header parameters, or null for none.
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Every additional parameter must end with CR LF bytes, including the last line.
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Initiates a HTTP connection, using 'GET' method.
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- returns 0 on error, identifier otherwise.
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head(*url, *add_header);
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*url = pointer to ASCIIZ URL
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*add_header = pointer to ASCIIZ additional header parameters, or null for none.
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Every additional parameter must end with CR LF bytes, including the last line.
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Initiate a HTTP connection, using 'HEAD' method.
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- returns 0 on error, identifier otherwise
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post(*url, *add_header, *content-type, content-length);
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*url = pointer to ASCIIZ URL
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*add_header = pointer to ASCIIZ additional header parameters, or null for none.
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Every additional parameter must end with CR LF bytes, including the last line.
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*content-type = pointer to ASCIIZ string containing content type.
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content-length = length of the content (in bytes).
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Initiate a HTTP connection, using 'POST' method.
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The content itself must be send to the socket (which you can find in the structure),
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using system function 75, 6.
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- returns 0 on error, identifier otherwise
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receive(identifier);
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identifier = identifier which one of the previous functions returned
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This procedure will handle all incoming data for a connection and place it in the buffer.
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As long as the procedure expects more data, -1 is returned and the procedure must be called again.
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- When transfer is done, the procedure will return 0.
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The HTTP header is placed together with some flags and other attributes in the http_msg structure.
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This structure is defined in http.inc (and not copied here because it might still change.)
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The identifier used by the functions is actually a pointer to this structure.
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In the dword named .flags, the library will set various bit-flags indicating the status of the process.
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(When a transfer is done, one should check these bit-flags to find out if the transfer was error-free.)
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The HTTP header is placed at the end of this structure. The content is placed in another buffer.
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The dword .status contains the status code received from the server (e.g. 200 for OK).
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In header_length you'll find the length of the header as soon as it has been received.
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In content_ptr you'll find a pointer to the actual content.
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In content_length you'll find the length of the content.
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In content_received, you'll find the number of content bytes already received.
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send(identifier, *dataptr, datalength);
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identifier = identifier which one of the previous functions returned
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*dataptr = pointer to the data you want to send
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datalength = length of the data to send (in bytes)
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This procedure can be used to send data to the server (POST)
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- returns number of bytes sent, -1 on error
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All procedures are non blocking! |