winamp/Src/Plugins/Input/in_flv/BackgroundDownloader.cpp
2024-09-24 14:54:57 +02:00

129 lines
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3.1 KiB
C++

#include "Main.h"
#include "BackgroundDownloader.h"
#include "..\..\..\Components\wac_network\wac_network_http_receiver_api.h"
#include "api__in_flv.h"
#include "api/service/waservicefactory.h"
#include "../nu/AutoChar.h"
#include <strsafe.h>
#define HTTP_BUFFER_SIZE 65536
// {C0A565DC-0CFE-405a-A27C-468B0C8A3A5C}
static const GUID internetConfigGroupGUID =
{
0xc0a565dc, 0xcfe, 0x405a, { 0xa2, 0x7c, 0x46, 0x8b, 0xc, 0x8a, 0x3a, 0x5c }
};
static void SetUserAgent( api_httpreceiver *http )
{
char agent[ 256 ] = { 0 };
StringCchPrintfA( agent, 256, "User-Agent: %S/%S", WASABI_API_APP->main_getAppName(), WASABI_API_APP->main_getVersionNumString() );
http->addheader( agent );
}
static int FeedHTTP( api_httpreceiver *http, Downloader::DownloadCallback *callback, int *downloaded )
{
char downloadedData[ HTTP_BUFFER_SIZE ] = { 0 };
int result = 0;
int downloadSize = http->get_bytes( downloadedData, HTTP_BUFFER_SIZE );
*downloaded = downloadSize;
if ( downloadSize )
{
result = callback->OnData( downloadedData, downloadSize );
}
return result;
}
static void RunDownload( api_httpreceiver *http, Downloader::DownloadCallback *callback )
{
int ret;
int downloaded = 0;
do
{
ret = http->run();
Sleep( 55 );
do
{
if ( FeedHTTP( http, callback, &downloaded ) != 0 )
return;
} while ( downloaded == HTTP_BUFFER_SIZE );
} while ( ret == HTTPRECEIVER_RUN_OK );
// finish off the data
do
{
if ( FeedHTTP( http, callback, &downloaded ) != 0 )
return;
} while ( downloaded );
}
bool Downloader::Download(const char *url, Downloader::DownloadCallback *callback, uint64_t startPosition)
{
api_httpreceiver *http = 0;
waServiceFactory *sf = plugin.service->service_getServiceByGuid(httpreceiverGUID);
if (sf) http = (api_httpreceiver *)sf->getInterface();
if (!http)
return false;
int use_proxy = 1;
bool proxy80 = AGAVE_API_CONFIG->GetBool(internetConfigGroupGUID, L"proxy80", false);
if (proxy80 && strstr(url, ":") && (!strstr(url, ":80/") && strstr(url, ":80") != (url + strlen(url) - 3)))
use_proxy = 0;
const wchar_t *proxy = use_proxy?AGAVE_API_CONFIG->GetString(internetConfigGroupGUID, L"proxy", 0):0;
http->AllowCompression();
http->open(API_DNS_AUTODNS, HTTP_BUFFER_SIZE, (proxy && proxy[0]) ? (const char *)AutoChar(proxy) : NULL);
if (startPosition > 0)
{
char temp[128] = {0};
StringCchPrintfA(temp, 128, "Range: bytes=%d-", startPosition);
http->addheader(temp);
}
SetUserAgent(http);
http->connect(url);
int ret;
do
{
Sleep(55);
ret = http->run();
if (ret == -1) // connection failed
break;
// ---- check our reply code ----
int replycode = http->getreplycode();
switch (replycode)
{
case 0:
case 100:
break;
case 200:
{
if (callback->OnConnect(http) != 0)
{
sf->releaseInterface(http);
return false;
}
RunDownload(http, callback);
sf->releaseInterface(http);
return true;
}
break;
default:
sf->releaseInterface(http);
return false;
}
}
while (ret == HTTPRECEIVER_RUN_OK);
//const char *er = http->geterrorstr();
sf->releaseInterface(http);
return false;
}