mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
#include "Turtle.h"
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#include "Turtle.brc"
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#ifdef PLATFORM_POSIX
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#include <sys/wait.h>
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#endif
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#define LLOG(x) // RLOG(x)
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#define LDUMP(x) // RDUMP(x)
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#define LTIMING(x)
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namespace Upp {
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static Vector<int> sChildPids;
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static bool sSendTurtleHtml(TcpSocket& s, const String& host, int port)
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{
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HttpHeader h;
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if(!h.Read(s))
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return false;
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LLOG("Sending Turtle HTML");
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String html = String(turtle_html, turtle_html_length);
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html.Replace("%%host%%", Format("ws://%s:%d", host, port));
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return HttpResponse(s, h.scgi, 200, "OK", "text/html", html);
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}
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static void sUpdateChildList()
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{
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#ifdef PLATFORM_POSIX
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int i = 0;
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while(i < sChildPids.GetCount()) {
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if(sChildPids[i] && waitpid(sChildPids[i], 0, WNOHANG | WUNTRACED) > 0) {
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TurtleServer::WhenTerminate(sChildPids[i]);
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sChildPids.Remove(i);
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}
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else ++i;
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}
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#endif
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}
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void TurtleServer::Broadcast(int signal)
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{
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#ifdef PLATFORM_POSIX
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if(getpid() == mainpid)
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for(int i = 0; i < sChildPids.GetCount(); i++)
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kill(sChildPids[i], signal);
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#endif
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}
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bool TurtleServer::StartSession()
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{
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// TODO: See if we can add secure websocket (wss://) support.
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LLOG("Connect");
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#ifdef PLATFORM_POSIX
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mainpid = getpid();
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#endif
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IpAddrInfo ipinfo;
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ipinfo.Execute(ip, port, IpAddrInfo::FAMILY_IPV4);
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TcpSocket server;
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#ifdef _DEBUG
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int cnt = 0;
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while(!server.Listen(ipinfo, port, 5, false, true)) {
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LLOG("Trying to start listening (other process using the same port?) " << ++cnt);
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Sleep(1000);
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}
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#else
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if(!server.Listen(ipinfo, port, 5, false, true)) {
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LLOG("Cannot open server socket for listening!");
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Exit(1);
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}
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#endif
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LLOG("Starting to listen on " << port << ", pid: " << getpid());
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for(;;) {
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sUpdateChildList();
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if(server.IsError())
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server.ClearError();
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TcpSocket socket;
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if(!socket.Accept(server))
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continue;
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if(!sSendTurtleHtml(socket, host, port))
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continue;
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websocket.NonBlocking();
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while(!websocket.Accept(server))
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Sleep(20);
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LLOG("Websocket connection accepted. IP: " << websocket.GetPeerAddr());
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#ifdef PLATFORM_POSIX
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if(sChildPids.GetCount() >= connection_limit)
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continue;
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if(debugmode)
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break;
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int newpid = fork();
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if(!newpid)
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break;
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else {
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LLOG("Process forked. Pid: " << newpid);
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sChildPids.Add(newpid);
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WhenConnect(newpid, websocket.GetPeerAddr());
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continue;
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}
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#else
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break;
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#endif
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}
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server.Close();
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stat_started = GetSysTime();
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return true;
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}
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}
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