kolibrios/programs/cmm/browser/http_downloader.h

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enum {
STATE_NOT_STARTED,
STATE_IN_PROGRESS,
STATE_COMPLETED
};
struct DOWNLOADER {
int data_downloaded_size, data_full_size;
dword bufpointer, bufsize;
byte state;
dword http_transfer;
dword Start();
void Stop();
void Completed();
int MonitorProgress();
} downloader;
dword DOWNLOADER::Start(dword _url)
{
state = STATE_IN_PROGRESS;
http_get stdcall (_url, 0, 0, #accept_language);
http_transfer = EAX;
return http_transfer;
}
void DOWNLOADER::Stop()
{
state = STATE_NOT_STARTED;
if (http_transfer!=0)
{
EAX = http_transfer;
EAX = EAX.http_msg.content_ptr; // get pointer to data
$push EAX // save it on the stack
http_free stdcall (http_transfer); // abort connection
$pop EAX
mem_Free(EAX); // free data
http_transfer=0;
bufsize = 0;
bufpointer = mem_Free(bufpointer);
}
data_downloaded_size = data_full_size = 0;
}
void DOWNLOADER::Completed()
{
state = STATE_COMPLETED;
ESI = http_transfer;
bufpointer = ESI.http_msg.content_ptr;
bufsize = ESI.http_msg.content_received;
http_free stdcall (http_transfer);
http_transfer=0;
}
int DOWNLOADER::MonitorProgress()
{
dword receive_result;
if (http_transfer <= 0) return false;
http_receive stdcall (http_transfer);
receive_result = EAX;
EDI = http_transfer;
data_full_size = EDI.http_msg.content_length;
data_downloaded_size = EDI.http_msg.content_received;
if (receive_result == 0) Completed();
return true;
}