** Open a socket and begin listening and responding to HTTP requests on
** TCP port 8080, or on any other TCP port defined by the -P or
** --port option.  The optional argument is the name of the repository.
** The repository argument may be omitted if the working directory is
** within an open checkout.
**
** The "ui" command automatically starts a web browser after initializing
** the web server.
** the web server.  The "ui" command also binds to 127.0.0.1 and so will
** only process HTTP traffic from the local machine.
**
** In the "server" command, the REPOSITORY can be a directory (aka folder)
** that contains one or more respositories with names ending in ".fossil".
** In that case, the first element of the URL is used to select among the
** various repositories.
**
** The "ui" or "server" verb can also be "sshd".  This is used internally
** by the ssh:// sync method.
*/
void cmd_webserver(void){
  int iPort, mxPort;        /* Range of TCP ports allowed */
  const char *zPort;        /* Value of the --port option */
  char *zBrowser;           /* Name of web browser program */
  char *zBrowserCmd = 0;    /* Command to launch the web browser */
  int isUiCmd;              /* True if command is "ui", not "server' */
  const char *zNotFound;    /* The --notfound option or NULL */
  int flags = 0;            /* Server flags */

#ifdef __MINGW32__
  const char *zStopperFile;    /* Name of file used to terminate server */
  zStopperFile = find_option("stopper", 0, 1);
#endif

  g.thTrace = find_option("th-trace", 0, 0)!=0;
  if( g.thTrace ){
    blob_zero(&g.thLog);
  }
  zPort = find_option("port", "P", 1);
  zNotFound = find_option("notfound", 0, 1);
  if( g.argc!=2 && g.argc!=3 ) usage("?REPOSITORY?");
  isUiCmd = g.argv[1][0]=='u';
  if( isUiCmd ) flags |= HTTP_SERVER_LOCALHOST;
  find_server_repository(isUiCmd);
  if( zPort ){
    iPort = mxPort = atoi(zPort);
  }else{
    iPort = db_get_int("http-port", 8080);
    mxPort = iPort+100;
  }
  if( g.argv[1][0]=='s' && g.argv[1][1]=='s' ){
    /* For ssh://, output a random "access token" that must appear in
    ** the header of every HTTP request.  HTTP requests without the
    ** correct access token reply with 403 Forbidden.  The access token
    ** prevents any clients other than the one client that launched the
    ** remote server via SSH from accessing the remote server.
    */
    g.zAccessToken = db_text(0, "SELECT lower(hex(randomblob(20)))");
    printf("Access-Token: %s\n", g.zAccessToken);
    fflush(stdout);
    flags |= HTTP_SERVER_LOCALHOST | HTTP_SERVER_STDIN;
  }
#ifndef __MINGW32__
  /* Unix implementation */
  if( isUiCmd ){
#if !defined(__DARWIN__) && !defined(__APPLE__)
    zBrowser = db_get("web-browser", 0);
    if( zBrowser==0 ){

    }
#else
    zBrowser = db_get("web-browser", "open");
#endif
    zBrowserCmd = mprintf("%s http://localhost:%%d/ &", zBrowser);
  }
  db_close();
  if( cgi_http_server(iPort, mxPort, zBrowserCmd) ){
  if( cgi_http_server(iPort, mxPort, zBrowserCmd, flags) ){
    fossil_fatal("unable to listen on TCP socket %d", iPort);
  }
  g.httpIn = stdin;
  g.httpOut = stdout;
  if( g.fHttpTrace || g.fSqlTrace ){
    fprintf(stderr, "====== SERVER pid %d =======\n", getpid());
  }
  g.cgiOutput = 1;
  find_server_repository(isUiCmd);
  g.zRepositoryName = enter_chroot_jail(g.zRepositoryName);
  cgi_handle_http_request(0);
  process_one_web_page(zNotFound);
#else
  /* Win32 implementation */
  if( isUiCmd ){
    zBrowser = db_get("web-browser", "start");
    zBrowserCmd = mprintf("%s http://127.0.0.1:%%d/", zBrowser);
  }
  db_close();
  win32_http_server(iPort, mxPort, zBrowserCmd, zStopperFile, zNotFound);
  win32_http_server(iPort, mxPort, zBrowserCmd, zStopperFile, zNotFound, flags);
#endif
}