builder.php

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

     * (/var/tmp/pear-build-USER/PACKAGE-VERSION).
     *
     * @param string|PEAR_PackageFile_v* $descfile path to XML package description file, or
     *               a PEAR_PackageFile object
     *
     * @param mixed $callback callback function used to report output,
     * see PEAR_Builder::_runCommand for details
     *
     * @return array an array of associative arrays with built files,
     * format:
     * array( array( 'file' => '/path/to/ext.so',
     *               'php_api' => YYYYMMDD,
     *               'zend_mod_api' => YYYYMMDD,
     *               'zend_ext_api' => YYYYMMDD ),
     *        ... )
     *
     * @access public
     *
     * @see PEAR_Builder::_runCommand
     */
    function build($descfile, $callback = null)
    {
        $this->current_callback = $callback;
        if (PEAR_OS == "Windows") {
            return $this->_build_win32($descfile,$callback);
        }
        if (PEAR_OS != 'Unix') {
            return $this->raiseError("building extensions not supported on this platform");
        }
        if (is_object($descfile)) {
            $pkg = $descfile;
            $descfile = $pkg->getPackageFile();
        } else {
            $pf = &new PEAR_PackageFile($this->config);
            $pkg = &$pf->fromPackageFile($descfile, PEAR_VALIDATE_NORMAL);
            if (PEAR::isError($pkg)) {
                return $pkg;
            }
        }
        $dir = dirname($descfile);
        $old_cwd = getcwd();
        if (!file_exists($dir) || !is_dir($dir) || !chdir($dir)) {
            return $this->raiseError("could not chdir to $dir");
        }
        $vdir = $pkg->getPackage() . '-' . $pkg->getVersion();
        if (is_dir($vdir)) {
            chdir($vdir);
        }
        $dir = getcwd();
        $this->log(2, "building in $dir");
        putenv('PATH=' . $this->config->get('bin_dir') . ':' . getenv('PATH'));
        $err = $this->_runCommand("phpize", array(&$this, 'phpizeCallback'));
        if (PEAR::isError($err)) {
            return $err;
        }
        if (!$err) {
            return $this->raiseError("`phpize' failed");
        }

        // {{{ start of interactive part
        $configure_command = "$dir/configure";
        $configure_options = $pkg->getConfigureOptions();
        if ($configure_options) {
            foreach ($configure_options as $o) {
                $default = array_key_exists('default', $o) ? $o['default'] : null;
                list($r) = $this->ui->userDialog('build',
                                                 array($o['prompt']),
                                                 array('text'),
                                                 array($default));
                if (substr($o['name'], 0, 5) == 'with-' &&
                    ($r == 'yes' || $r == 'autodetect')) {
                    $configure_command .= " --$o[name]";
                } else {
                    $configure_command .= " --$o[name]=".trim($r);
                }
            }
        }
        // }}} end of interactive part

        // FIXME make configurable
        if(!$user=getenv('USER')){
            $user='defaultuser';
        }
        $build_basedir = "/var/tmp/pear-build-$user";
        $build_dir = "$build_basedir/$vdir";
        $inst_dir = "$build_basedir/install-$vdir";
        $this->log(1, "building in $build_dir");
        if (is_dir($build_dir)) {
            System::rm(array('-rf', $build_dir));
        }
        if (!System::mkDir(array('-p', $build_dir))) {
            return $this->raiseError("could not create build dir: $build_dir");
        }
        $this->addTempFile($build_dir);
        if (!System::mkDir(array('-p', $inst_dir))) {
            return $this->raiseError("could not create temporary install dir: $inst_dir");
        }
        $this->addTempFile($inst_dir);

        if (getenv('MAKE')) {
            $make_command = getenv('MAKE');
        } else {
            $make_command = 'make';
        }
        $to_run = array(
            $configure_command,
            $make_command,
            "$make_command INSTALL_ROOT=\"$inst_dir\" install",
            "find \"$inst_dir\" -ls"
            );
        if (!file_exists($build_dir) || !is_dir($build_dir) || !chdir($build_dir)) {
            return $this->raiseError("could not chdir to $build_dir");
        }
        putenv('PHP_PEAR_VERSION=1.6.1');
        foreach ($to_run as $cmd) {
            $err = $this->_runCommand($cmd, $callback);
            if (PEAR::isError($err)) {
                chdir($old_cwd);
                return $err;
            }
            if (!$err) {
                chdir($old_cwd);
                return $this->raiseError("`$cmd' failed");
            }
        }
        if (!($dp = opendir("modules"))) {
            chdir($old_cwd);
            return $this->raiseError("no `modules' directory found");
        }
        $built_files = array();
        $prefix = exec("php-config --prefix");
        $this->_harvestInstDir($prefix, $inst_dir . DIRECTORY_SEPARATOR . $prefix, $built_files);
        chdir($old_cwd);
        return $built_files;
    }

    // }}}
    // {{{ phpizeCallback()

    /**
     * Message callback function used when running the "phpize"
     * program.  Extracts the API numbers used.  Ignores other message
     * types than "cmdoutput".
     *
     * @param string $what the type of message
     * @param mixed $data the message
     *
     * @return void
     *
     * @access public
     */
    function phpizeCallback($what, $data)
    {
        if ($what != 'cmdoutput') {
            return;
        }
        $this->log(1, rtrim($data));
        if (preg_match('/You should update your .aclocal.m4/', $data)) {
            return;
        }
        $matches = array();
        if (preg_match('/^\s+(\S[^:]+):\s+(\d{8})/', $data, $matches)) {
            $member = preg_replace('/[^a-z]/', '_', strtolower($matches[1]));
            $apino = (int)$matches[2];
            if (isset($this->$member)) {
                $this->$member = $apino;
                //$msg = sprintf("%-22s : %d", $matches[1], $apino);
                //$this->log(1, $msg);
            }
        }
    }

    // }}}
    // {{{ _runCommand()

    /**
     * Run an external command, using a message callback to report
     * output.  The command will be run through popen and output is
     * reported for every line with a "cmdoutput" message with the
     * line string, including newlines, as payload.
     *
     * @param string $command the command to run
     *
     * @param mixed $callback (optional) function to use as message
     * callback
     *
     * @return bool whether the command was successful (exit code 0
     * means success, any other means failure)
     *
     * @access private
     */
    function _runCommand($command, $callback = null)
    {
        $this->log(1, "running: $command");
        $pp = popen("$command 2>&1", "r");
        if (!$pp) {
            return $this->raiseError("failed to run `$command'");
        }
        if ($callback && $callback[0]->debug == 1) {
            $olddbg = $callback[0]->debug;
            $callback[0]->debug = 2;
        }

        while ($line = fgets($pp, 1024)) {
            if ($callback) {
                call_user_func($callback, 'cmdoutput', $line);
            } else {
                $this->log(2, rtrim($line));
            }
        }
        if ($callback && isset($olddbg)) {
            $callback[0]->debug = $olddbg;
        }
        if (is_resource($pp)) {
            $exitcode = pclose($pp);
        } else {
            $exitcode = -1;
        }
        return ($exitcode == 0);
    }

    // }}}
    // {{{ log()

    function log($level, $msg)
    {
        if ($this->current_callback) {
            if ($this->debug >= $level) {
                call_user_func($this->current_callback, 'output', $msg);
            }
            return;
        }
        return PEAR_Common::log($level, $msg);
    }

    // }}}
}

?>