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						Function std.net.curl.HTTP.onSend
The event handler that gets called when data is needed for sending. The
 length of the void[] specifies the maximum number of bytes that can
 be sent.
						
				void onSend(
				
  ulong delegate(void[]) callback
				
				) @property;
						
					
				Returns
The callback returns the number of elements in the buffer that have been
 filled and are ready to send.
 The special value  can be returned in order to abort the
 current request.
 The special value  can be returned in order to pause the
 current request.
Example
import std .net .curl;
string msg = "Hello world";
auto client = HTTP("dlang.org");
client .onSend = delegate size_t(void[] data)
{
    auto m = cast(void[]) msg;
    size_t length = m .length > data .length ? data .length : m .length;
    if (length == 0) return 0;
    data[0 .. length] = m[0 .. length];
    msg = msg[length..$];
    return length;
};
client .perform();
Authors
Jonas Drewsen. Some of the SMTP code contributed by Jimmy Cao.
License
					Copyright © 1999-2025 by the D Language Foundation | Page generated by ddox.