** Return 0 to each child as it runs.  If unable to establish a
** listening socket, return non-zero.
*/
int cgi_http_server(
  int mnPort, int mxPort,   /* Range of TCP ports to try */
  const char *zBrowser,     /* Run this browser, if not NULL */
  const char *zIpAddr,      /* Bind to this IP address, if not null */
  int iIdleTimeout,         /* Stop after this many seconds of inactivity */
  int flags                 /* HTTP_SERVER_* flags */
){
#if defined(_WIN32)
  /* Use win32_http_server() instead */
  fossil_exit(1);
#else
  int listener = -1;           /* The server socket */
  int connection;              /* A socket for each individual connection */
  int nRequest = 0;            /* Number of requests handled so far */
  fd_set readfds;              /* Set of file descriptors for select() */
  socklen_t lenaddr;           /* Length of the inaddr structure */
  int child;                   /* PID of the child process */
  int nchildren = 0;           /* Number of child processes */
  struct timeval delay;        /* How long to wait inside select() */
  struct sockaddr_in inaddr;   /* The socket address */
  int opt = 1;                 /* setsockopt flag */
  int iPort = mnPort;          /* TCP port to use */
  time_t stopTime = 0;         /* When to timeout */

  while( iPort<=mxPort ){
    memset(&inaddr, 0, sizeof(inaddr));
    inaddr.sin_family = AF_INET;
    if( zIpAddr ){
      inaddr.sin_addr.s_addr = inet_addr(zIpAddr);
      if( inaddr.sin_addr.s_addr == (-1) ){

      }
    }else
#endif
    if( system(zBrowser)<0 ){
      fossil_warning("cannot start browser: %s\n", zBrowser);
    }
  }
  if( iIdleTimeout>0 ) stopTime = time(0)+iIdleTimeout;
  while( 1 ){
#if FOSSIL_MAX_CONNECTIONS>0
    while( nchildren>=FOSSIL_MAX_CONNECTIONS ){
      if( wait(0)>=0 ) nchildren--;
    }
#endif
    delay.tv_sec = 0;
    delay.tv_usec = 100000;
    FD_ZERO(&readfds);
    assert( listener>=0 );
    FD_SET( listener, &readfds);
    select( listener+1, &readfds, 0, 0, &delay);
    if( FD_ISSET(listener, &readfds) ){
      lenaddr = sizeof(inaddr);
      connection = accept(listener, (struct sockaddr*)&inaddr, &lenaddr);
      if( connection>=0 ){
        if( iIdleTimeout>0 ) stopTime = time(0)+iIdleTimeout;
        child = fork();
        if( child!=0 ){
          if( child>0 ){
            nchildren++;
            nRequest++;
          }
          close(connection);

        if( x<=0 ) break;
        if( WIFSIGNALED(iStatus) && g.fAnyTrace ){
          fprintf(stderr, "/***** Child %d exited on signal %d (%s) *****/\n",
                  x, WTERMSIG(iStatus), strsignal(WTERMSIG(iStatus)));
        }
        nchildren--;
      }
    }
    /* Stop serving if idle for too long */
    if( iIdleTimeout>0 && stopTime<time(0) ){
      fossil_exit(0);
    }
  }
  /* NOT REACHED */
  fossil_exit(1);
#endif
  /* NOT REACHED */
  return 0;

/* This javascript runs on web-pages that need to periodically send
** a keep-alive HTTP request back to the server.  This is typically
** used with the "fossil ui" command with a --idle-timeout set.  The
** HTTP server will stop if it does not receive a new HTTP request
** within some time interval (60 seconds).  This script keeps sending
** new HTTP requests every 20 seconds or so to keep the server running
** while the page is still viewable.
*/
setInterval(function(){fetch('/noop');},15000+10000*Math.random());

  get_version_blob(&versionInfo, verboseFlag);
  @ <pre>
  @ %h(blob_str(&versionInfo))
  @ </pre>
  style_footer();
}

/*
** WEBPAGE: noop
**
** Send back an empty HTTP reply.  Deliver no content.
*/
void noop_page(void){
  fossil_free(style_csp(1));
  cgi_set_content_type("text/plain");
}


/*
** Set the g.zBaseURL value to the full URL for the toplevel of
** the fossil tree.  Set g.zTop to g.zBaseURL without the
** leading "http://" and the host and port.
**
** The g.zBaseURL is normally set based on HTTP_HOST and SCRIPT_NAME

**   --baseurl URL    base URL (useful with reverse proxies)
**   --extroot DIR    document root for the /ext extension mechanism
**   --files GLOB     comma-separate glob patterns for static file to serve
**   --host NAME      specify hostname of the server
**   --https          signal a request coming in via https
**   --in FILE        Take input from FILE instead of standard input
**   --ipaddr ADDR    Assume the request comes from the given IP address
**   --keep-alive     Include "keepalive.js" in HTML pages
**   --localauth      enable automatic login for local connections
**   --nocompress     do not compress HTTP replies
**   --nodelay        omit backoffice processing if it would delay process exit
**   --nojail         drop root privilege but do not enter the chroot jail
**   --nossl          signal that no SSL connections are available
**   --notfound URL   use URL as "HTTP 404, object not found" page.
**   --out FILE       write results to FILE instead of to standard output

  if( zAltBase ) set_base_url(zAltBase);
  if( find_option("https",0,0)!=0 ){
    zIpAddr = fossil_getenv("REMOTE_HOST"); /* From stunnel */
    cgi_replace_parameter("HTTPS","on");
  }
  zHost = find_option("host", 0, 1);
  if( zHost ) cgi_replace_parameter("HTTP_HOST",zHost);
  if( find_option("keep-alive",0,0) ) style_load_js("keepalive.js");

#if defined(_WIN32) && USE_SEE
  zPidKey = find_option("usepidkey", 0, 1);
  if( zPidKey ){
    DWORD processId = 0;
    LPVOID pAddress = NULL;
    SIZE_T nSize = 0;

** by default.
**
** Options:
**   --baseurl URL       Use URL as the base (useful for reverse proxies)
**   --create            Create a new REPOSITORY if it does not already exist
**   --extroot DIR       Document root for the /ext extension mechanism
**   --files GLOBLIST    Comma-separated list of glob patterns for static files
**   --idle-timeout N    Exit if no HTTP requests are received for N seconds. 
**                       "0" means never. 0 is default for the "server" 
**                       command and "60" is the default for the "ui" command.
**   --localauth         enable automatic login for requests from localhost
**   --localhost         listen on 127.0.0.1 only (always true for "ui")
**   --https             Indicates that the input is coming through a reverse
**                       proxy that has already translated HTTPS into HTTP.
**   --max-latency N     Do not let any single HTTP request run for more than N
**                       seconds (only works on unix)
**   --nocompress        Do not compress HTTP replies

  const char *zTimeout = 0; /* Max runtime of any single HTTP request */
#endif
  int allowRepoList;         /* List repositories on URL "/" */
  const char *zAltBase;      /* Argument to the --baseurl option */
  const char *zFileGlob;     /* Static content must match this */
  char *zIpAddr = 0;         /* Bind to this IP address */
  int fCreate = 0;           /* The --create flag */
  const char *zIdleTimeout;  /* Value of the --idle-timeout flag */
  int iIdle = 0;             /* Idle timeout value */
  const char *zInitPage = 0; /* Start on this page.  --page option */
#if defined(_WIN32) && USE_SEE
  const char *zPidKey;
#endif

#if defined(_WIN32)
  const char *zStopperFile;    /* Name of file used to terminate server */

#endif
  g.useLocalauth = find_option("localauth", 0, 0)!=0;
  Th_InitTraceLog();
  zPort = find_option("port", "P", 1);
  isUiCmd = g.argv[1][0]=='u';
  if( isUiCmd ){
    zInitPage = find_option("page", 0, 1);
    iIdle = 60;
  }
  zIdleTimeout = find_option("idle-timeout",0,1);
  if( zIdleTimeout ){
    iIdle = atoi(zIdleTimeout);
  }
  
  zNotFound = find_option("notfound", 0, 1);
  allowRepoList = find_option("repolist",0,0)!=0;
  if( find_option("nocompress",0,0)!=0 ) g.fNoHttpCompress = 1;
  zAltBase = find_option("baseurl", 0, 1);
  fCreate = find_option("create",0,0)!=0;
  if( find_option("scgi", 0, 0)!=0 ) flags |= HTTP_SERVER_SCGI;
  if( zAltBase ){

      zBrowserCmd = mprintf("%s http://%s:%%d/%s &",
                            zBrowser, zIpAddr, zInitPage);
    }
  }
  if( g.repositoryOpen ) flags |= HTTP_SERVER_HAD_REPOSITORY;
  if( g.localOpen ) flags |= HTTP_SERVER_HAD_CHECKOUT;
  db_close(1);
  if( cgi_http_server(iPort, mxPort, zBrowserCmd, zIpAddr, iIdle, flags) ){
    fossil_fatal("unable to listen on TCP socket %d", iPort);
  }
  /* For the parent process, the cgi_http_server() command above never
  ** returns (except in the case of an error).  Instead, for each incoming
  ** client connection, a child process is created, file descriptors 0
  ** and 1 are bound to that connection, and the child returns.
  **

    g.zRepositoryName = enter_chroot_jail(g.zRepositoryName, noJail);
  }
  if( flags & HTTP_SERVER_SCGI ){
    cgi_handle_scgi_request();
  }else{
    cgi_handle_http_request(0);
  }
  if( iIdle>0 ) style_load_js("keepalive.js");
  process_one_web_page(zNotFound, glob_create(zFileGlob), allowRepoList);
  if( g.fAnyTrace ){
    fprintf(stderr, "/***** Webpage finished in subprocess %d *****/\n",
            getpid());
  }
#else
  /* Win32 implementation */

  if( g.localOpen ) flags |= HTTP_SERVER_HAD_CHECKOUT;
  db_close(1);
  if( allowRepoList ){
    flags |= HTTP_SERVER_REPOLIST;
  }
  if( win32_http_service(iPort, zAltBase, zNotFound, zFileGlob, flags) ){
    win32_http_server(iPort, mxPort, zBrowserCmd, zStopperFile,
                      zAltBase, zNotFound, zFileGlob, zIpAddr, iIdle, flags);
  }
#endif
}

/*
** COMMAND: test-echo
**

  $(SRCDIR)/accordion.js \
  $(SRCDIR)/ci_edit.js \
  $(SRCDIR)/copybtn.js \
  $(SRCDIR)/diff.tcl \
  $(SRCDIR)/forum.js \
  $(SRCDIR)/graph.js \
  $(SRCDIR)/href.js \
  $(SRCDIR)/keepalive.js \
  $(SRCDIR)/login.js \
  $(SRCDIR)/markdown.md \
  $(SRCDIR)/menu.js \
  $(SRCDIR)/sbsdiff.js \
  $(SRCDIR)/scroll.js \
  $(SRCDIR)/skin.js \
  $(SRCDIR)/sorttable.js \

  if( ds->s6!=INVALID_SOCKET && listen(ds->s6, SOMAXCONN)==SOCKET_ERROR ){
    return 0;
  }
  return 1;
};

/*
** Accepts connections on DualSocket.  Return 
*/
static int DualSocket_accept(DualSocket* pListen, DualSocket* pClient,
                              DualAddr* pClientAddr){
  fd_set rs;
  int rs_count = 0;
  int rc = 0;
  struct timeval delay;
  assert( pListen!=NULL && pClient!=NULL && pClientAddr!= NULL );
  DualSocket_init(pClient);
  DualAddr_init(pClientAddr);
  FD_ZERO(&rs);
  if( pListen->s4!=INVALID_SOCKET ){
    FD_SET(pListen->s4, &rs);
    ++rs_count;
  }
  if( pListen->s6!=INVALID_SOCKET ){
    FD_SET(pListen->s6, &rs);
    ++rs_count;
  }
  delay.tv_sec = 2;
  delay.tv_usec = 0;
  rc = select(rs_count, &rs, 0, 0, &delay);


  if( FD_ISSET(pListen->s4, &rs) ){
    pClient->s4 = accept(pListen->s4, (struct sockaddr*)&pClientAddr->a4.addr,
                         &pClientAddr->a4.len);
  }
  if( FD_ISSET(pListen->s6, &rs) ){
    pClient->s6 = accept(pListen->s6, (struct sockaddr*)&pClientAddr->a6.addr,
                         &pClientAddr->a6.len);
  }
  return rc;
}

/*
** The HttpServer structure holds information about an instance of
** the HTTP server itself.
*/
typedef struct HttpServer HttpServer;

/*
** Start a listening socket and process incoming HTTP requests on
** that socket.
*/
void win32_http_server(
  int mnPort, int mxPort,   /* Range of allowed TCP port numbers */
  const char *zBrowser,     /* Command to launch browser.  (Or NULL) */
  const char *zStopper,     /* Stop server when this file exists (Or NULL) */
  const char *zBaseUrl,     /* The --baseurl option, or NULL */
  const char *zNotFound,    /* The --notfound option, or NULL */
  const char *zFileGlob,    /* The --fileglob option, or NULL */
  const char *zIpAddr,      /* Bind to this IP address, if not NULL */
  int iIdleTimeout,         /* Idle timeout in seconds.  0 means none */
  int flags                 /* One or more HTTP_SERVER_ flags */
){
  HANDLE hStoppedEvent;
  WSADATA wd;
  DualSocket ds;
  int idCnt = 0;
  int iPort = mnPort;
  Blob options;
  wchar_t zTmpPath[MAX_PATH];
  const char *zSkin;
  time_t stopTime = 0;      /* When to stop due to idle timeout */
#if USE_SEE
  const char *zSavedKey = 0;
  size_t savedKeySize = 0;
#endif

  blob_zero(&options);
  if( PB("HTTPS") ){

  }
  if( g.useLocalauth ){
    blob_appendf(&options, " --localauth");
  }
  if( g.thTrace ){
    blob_appendf(&options, " --th-trace");
  }
  if( iIdleTimeout>0 ){
    blob_appendf(&options, " --keep-alive");
  }
  if( flags & HTTP_SERVER_REPOLIST ){
    blob_appendf(&options, " --repolist");
  }
  zSkin = skin_in_use();
  if( zSkin ){
    blob_appendf(&options, " --skin %s", zSkin);
  }

    pServer->listener = ds;
    file_delete(zStopper);
    _beginthread(win32_server_stopper, 0, (void*)pServer);
  }
  /* Set the service status to running and pass the listener socket to the
  ** service handling procedures. */
  win32_http_service_running(&ds);
  if( iIdleTimeout>0 ) stopTime = time(0) + iIdleTimeout;
  for(;;){
    DualSocket client;
    DualAddr client_addr;
    HttpRequest *pRequest;
    int wsaError;
    int nSock;

    nSock = DualSocket_accept(&ds, &client, &client_addr);
    if( nSock==SOCKET_ERROR
     && client.s4==INVALID_SOCKET
     && client.s6==INVALID_SOCKET
    ){
      /* If the service control handler has closed the listener socket,
      ** cleanup and return, otherwise report a fatal error. */
      wsaError =  WSAGetLastError();
      DualSocket_close(&ds);
      if( (wsaError==WSAEINTR) || (wsaError==WSAENOTSOCK) ){
        WSACleanup();
        return;
      }else{
        WSACleanup();
        fossil_panic("error from accept()");
      }
    }
    if( client.s4!=INVALID_SOCKET ){
      pRequest = fossil_malloc(sizeof(HttpRequest));
      pRequest->id = ++idCnt;
      pRequest->s = client.s4;
      memcpy(&pRequest->addr, &client_addr.a4, sizeof(client_addr.a4));
      pRequest->flags = flags;
      pRequest->zOptions = blob_str(&options);
      if( iIdleTimeout>0 ) stopTime = time(0) + iIdleTimeout;
      if( flags & HTTP_SERVER_SCGI ){
        _beginthread(win32_scgi_request, 0, (void*)pRequest);
      }else{
        _beginthread(win32_http_request, 0, (void*)pRequest);
      }
    }
    if( client.s6!=INVALID_SOCKET ){
      pRequest = fossil_malloc(sizeof(HttpRequest));
      pRequest->id = ++idCnt;
      pRequest->s = client.s6;
      memcpy(&pRequest->addr, &client_addr.a6, sizeof(client_addr.a6));
      pRequest->flags = flags;
      pRequest->zOptions = blob_str(&options);
      if( iIdleTimeout>0 ) stopTime = time(0) + iIdleTimeout;
      if( flags & HTTP_SERVER_SCGI ){
        _beginthread(win32_scgi_request, 0, (void*)pRequest);
      }else{
        _beginthread(win32_http_request, 0, (void*)pRequest);
      }
    }
    if( iIdleTimeout>0 && stopTime<time(0) ) break;
  }
  DualSocket_close(&ds);
  WSACleanup();
  SetEvent(hStoppedEvent);
  CloseHandle(hStoppedEvent);
}

  ssStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
  ssStatus.dwServiceSpecificExitCode = 0;
  win32_report_service_status(SERVICE_START_PENDING, NO_ERROR, 3000);

   /* Execute the http server */
  win32_http_server(hsData.port, hsData.port,
                    NULL, NULL, hsData.zBaseUrl, hsData.zNotFound,
                    hsData.zFileGlob, 0, 0, hsData.flags);

  /* Service has stopped now. */
  win32_report_service_status(SERVICE_STOPPED, NO_ERROR, 0);
  return;
}

/*

  $(SRCDIR)/accordion.js \
  $(SRCDIR)/ci_edit.js \
  $(SRCDIR)/copybtn.js \
  $(SRCDIR)/diff.tcl \
  $(SRCDIR)/forum.js \
  $(SRCDIR)/graph.js \
  $(SRCDIR)/href.js \
  $(SRCDIR)/keepalive.js \
  $(SRCDIR)/login.js \
  $(SRCDIR)/markdown.md \
  $(SRCDIR)/menu.js \
  $(SRCDIR)/sbsdiff.js \
  $(SRCDIR)/scroll.js \
  $(SRCDIR)/skin.js \
  $(SRCDIR)/sorttable.js \

        $(SRCDIR)\accordion.js \
        $(SRCDIR)\ci_edit.js \
        $(SRCDIR)\copybtn.js \
        $(SRCDIR)\diff.tcl \
        $(SRCDIR)\forum.js \
        $(SRCDIR)\graph.js \
        $(SRCDIR)\href.js \
        $(SRCDIR)\keepalive.js \
        $(SRCDIR)\login.js \
        $(SRCDIR)\markdown.md \
        $(SRCDIR)\menu.js \
        $(SRCDIR)\sbsdiff.js \
        $(SRCDIR)\scroll.js \
        $(SRCDIR)\skin.js \
        $(SRCDIR)\sorttable.js \