Method get

source/src/http.cpp:134–372

}

int httpget::get(const char *url1, uint timeout, uint totaltimeout, int range, bool head)
{
    int redirects = 0, res = 0, transferred = 0;
    vector<char> *content = NULL;
    ASSERT(timeout && totaltimeout); // zero is not allowed
    stopwatch to;
    to.start();
    uint lastresponse = 0;
    reset(1); // clear old response values and url
    url = newstring(url1);

    bool reconnected = false, retry = false;
    for(;;)
    { // (in a loop because of possible redirects)
        if(!connect()) goto geterror;

        // assemble GET request
        cvecprintf(rawsnd, "%s %s HTTP/1.1%s", head ? "HEAD" : "GET", url, crlf);
        cvecprintf(rawsnd, "Host: %s%s", hostname, crlf);
        cvecprintf(rawsnd, "Accept: */*%s", crlf);
        if(referrer) cvecprintf(rawsnd, "Referer: %s%s", referrer, crlf);
        if(useragent) cvecprintf(rawsnd, "User-Agent: %s%s", useragent, crlf);
        if(range > 0) cvecprintf(rawsnd, "Range: bytes=%d-%sTE: gzip%s", range, crlf, crlf);  // content-encoding gzip for range requests is nonsense, so we'll ask for transfer-encoding instead (not that any server will deliver that...)
        else if(!head) cvecprintf(rawsnd, "Accept-Encoding: gzip%s", crlf); // ask for gzip only for full requests, because we intend to unzip instantly
        cvecprintf(rawsnd, "%s", crlf);

        // send request
        execcallback(0);
        ENetBuffer buf;
        buf.data = rawsnd.getbuf();
        buf.dataLength = rawsnd.length();
        while(buf.dataLength > 0)
        {
            enet_uint32 events = ENET_SOCKET_WAIT_SEND;
            if(enet_socket_wait(tcp, &events, 250) >= 0 && events)
            {
                int sent = enet_socket_send(tcp, NULL, &buf, 1);
                if(sent < 0)
                {
                    if(!reconnected)
                    { // line went dead, maybe the server closed it - try reconnecting once
                        retry = true;
                        break;
                    }
                    else GETERROR("connection failed");
                }
                buf.data = (char *)buf.data + sent;
                buf.dataLength -= sent;
                tcp_age.start();
                traffic += sent;
                lastresponse = to.elapsed();
            }
            elapsedtime = to.elapsed();
            if(elapsedtime > totaltimeout || elapsedtime > lastresponse + timeout) GETERROR("timeout 1");
            if(execcallback(-float(elapsedtime - lastresponse) / timeout)) goto geterror; // show progress bar, check for user interrupt
        }

        // get response