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Function std.net.curl.Curl.onSend

The event handler that gets called when data is needed for sending.

void onSend (
  ulong delegate(void[]) callback
) @property;

Parameters

NameDescription
callback the callback that has a void[] buffer to be filled

Returns

The callback returns the number of elements in the buffer that have been filled and are ready to send. The special value Curl.abortRequest can be returned in order to abort the current request. The special value Curl.pauseRequest can be returned in order to pause the current request.

Example

import std.net.curl;
Curl curl;
curl.initialize();
curl.set(CurlOption.url, "http://dlang.org");

string msg = "Hello world";
curl.onSend = (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;
};
curl.perform();

Authors

Jonas Drewsen. Some of the SMTP code contributed by Jimmy Cao.

License

Boost License 1.0.