10.php

来自「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.」· PHP 代码 · 共 812 行 · 第 1/3 页

                if (!isset($releases['r'][0])) {
                    $releases['r'] = array($releases['r']);
                }
                unset($latest);
                unset($unstable);
                unset($stable);
                unset($state);
                foreach ($releases['r'] as $release) {
                    if (!isset($latest)) {
                        if ($dostable && $release['s'] == 'stable') {
                            $latest = $release['v'];
                            $state = 'stable';
                        }
                        if (!$dostable) {
                            $latest = $release['v'];
                            $state = $release['s'];
                        }
                    }
                    if (!isset($stable) && $release['s'] == 'stable') {
                        $stable = $release['v'];
                        if (!isset($unstable)) {
                            $unstable = $stable;
                        }
                    }
                    if (!isset($unstable) && $release['s'] != 'stable') {
                        $latest = $unstable = $release['v'];
                        $state = $release['s'];
                    }
                    if (isset($latest) && !isset($state)) {
                        $state = $release['s'];
                    }
                    if (isset($latest) && isset($stable) && isset($unstable)) {
                        break;
                    }
                }
                $deps = array();
                if (!isset($unstable)) {
                    $unstable = false;
                    $state = 'stable';
                    if (isset($stable)) {
                        $latest = $unstable = $stable;
                    }
                } else {
                    $latest = $unstable;
                }
                if (!isset($latest)) {
                    $latest = false;
                }
                if ($latest) {
                    $d = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/deps.' .
                        $latest . '.txt');
                    if (!PEAR::isError($d)) {
                        $d = unserialize($d);
                        if ($d) {
                            if (isset($d['required'])) {
                                if (!class_exists('PEAR_PackageFile_v2')) {
                                    require_once 'PEAR/PackageFile/v2.php';
                                }
                                if (!isset($pf)) {
                                    $pf = new PEAR_PackageFile_v2;
                                }
                                $pf->setDeps($d);
                                $tdeps = $pf->getDeps();
                            } else {
                                $tdeps = $d;
                            }
                            foreach ($tdeps as $dep) {
                                if ($dep['type'] !== 'pkg') {
                                    continue;
                                }
                                $deps[] = $dep;
                            }
                        }
                    }
                }
                if (!isset($stable)) {
                    $stable = '-n/a-';
                }
                if (!$searchpackage) {
                    $info = array('stable' => $latest, 'summary' => $inf['s'], 'description' =>
                        $inf['d'], 'deps' => $deps, 'category' => $inf['ca']['_content'],
                        'unstable' => $unstable, 'state' => $state);
                } else {
                    $info = array('stable' => $stable, 'summary' => $inf['s'], 'description' =>
                        $inf['d'], 'deps' => $deps, 'category' => $inf['ca']['_content'],
                        'unstable' => $unstable, 'state' => $state);
                }
            }
            $ret[$package] = $info;
        }
        PEAR::popErrorHandling();
        return $ret;
    }

    function listLatestUpgrades($base, $pref_state, $installed, $channel, &$reg)
    {
        $packagelist = $this->_rest->retrieveData($base . 'p/packages.xml');
        if (PEAR::isError($packagelist)) {
            return $packagelist;
        }
        $ret = array();
        if (!is_array($packagelist) || !isset($packagelist['p'])) {
            return $ret;
        }
        if (!is_array($packagelist['p'])) {
            $packagelist['p'] = array($packagelist['p']);
        }
        foreach ($packagelist['p'] as $package) {
            if (!isset($installed[strtolower($package)])) {
                continue;
            }
            $inst_version = $reg->packageInfo($package, 'version', $channel);
            $inst_state = $reg->packageInfo($package, 'release_state', $channel);
            PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
            $info = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
                '/allreleases.xml');
            PEAR::popErrorHandling();
            if (PEAR::isError($info)) {
                continue; // no remote releases
            }
            if (!isset($info['r'])) {
                continue;
            }
            $found = false;
            $release = false;
            if (!is_array($info['r']) || !isset($info['r'][0])) {
                $info['r'] = array($info['r']);
            }
            // $info['r'] is sorted by version number
            foreach ($info['r'] as $release) {
                if ($inst_version && version_compare($release['v'], $inst_version, '<=')) {
                    // not newer than the one installed
                    break;
                }

                // new version > installed version
                if (!$pref_state) {
                    // every state is a good state
                    $found = true;
                    break;
                } else {
                    $new_state = $release['s'];
                    // if new state >= installed state: go
                    if (in_array($new_state, $this->betterStates($inst_state, true))) {
                        $found = true;
                        break;
                    } else {
                        // only allow to lower the state of package,
                        // if new state >= preferred state: go
                        if (in_array($new_state, $this->betterStates($pref_state, true))) {
                            $found = true;
                            break;
                        }
                    }
                }
            }
            if (!$found) {
                continue;
            }
            $relinfo = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/' . 
                $release['v'] . '.xml');
            if (PEAR::isError($relinfo)) {
                return $relinfo;
            }
            $ret[$package] = array(
                    'version' => $release['v'],
                    'state' => $release['s'],
                    'filesize' => $relinfo['f'],
                );
        }
        return $ret;
    }

    function packageInfo($base, $package)
    {
        PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
        $pinfo = $this->_rest->retrieveData($base . 'p/' . strtolower($package) . '/info.xml');
        if (PEAR::isError($pinfo)) {
            PEAR::popErrorHandling();
            return PEAR::raiseError('Unknown package: "' . $package . '" (Debug: ' .
                $pinfo->getMessage() . ')');
        }
        $releases = array();
        $allreleases = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
            '/allreleases.xml');
        if (!PEAR::isError($allreleases)) {
            if (!class_exists('PEAR_PackageFile_v2')) {
                require_once 'PEAR/PackageFile/v2.php';
            }
            if (!is_array($allreleases['r']) || !isset($allreleases['r'][0])) {
                $allreleases['r'] = array($allreleases['r']);
            }
            $pf = new PEAR_PackageFile_v2;
            foreach ($allreleases['r'] as $release) {
                $ds = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package) . '/deps.' .
                    $release['v'] . '.txt');
                if (PEAR::isError($ds)) {
                    continue;
                }
                if (!isset($latest)) {
                    $latest = $release['v'];
                }
                $pf->setDeps(unserialize($ds));
                $ds = $pf->getDeps();
                $info = $this->_rest->retrieveCacheFirst($base . 'r/' . strtolower($package)
                    . '/' . $release['v'] . '.xml');
                if (PEAR::isError($info)) {
                    continue;
                }
                $releases[$release['v']] = array(
                    'doneby' => $info['m'],
                    'license' => $info['l'],
                    'summary' => $info['s'],
                    'description' => $info['d'],
                    'releasedate' => $info['da'],
                    'releasenotes' => $info['n'],
                    'state' => $release['s'],
                    'deps' => $ds ? $ds : array(),
                );
            }
        } else {
            $latest = '';
        }
        PEAR::popErrorHandling();
        if (isset($pinfo['dc']) && isset($pinfo['dp'])) {
            if (is_array($pinfo['dp'])) {
                $deprecated = array('channel' => (string) $pinfo['dc'],
                                    'package' => trim($pinfo['dp']['_content']));
            } else {
                $deprecated = array('channel' => (string) $pinfo['dc'],
                                    'package' => trim($pinfo['dp']));
            }
        } else {
            $deprecated = false;
        }
        return array(
            'name' => $pinfo['n'],
            'channel' => $pinfo['c'],
            'category' => $pinfo['ca']['_content'],
            'stable' => $latest,
            'license' => $pinfo['l'],
            'summary' => $pinfo['s'],
            'description' => $pinfo['d'],
            'releases' => $releases,
            'deprecated' => $deprecated,
            );
    }

    /**
     * Return an array containing all of the states that are more stable than
     * or equal to the passed in state
     *
     * @param string Release state
     * @param boolean Determines whether to include $state in the list
     * @return false|array False if $state is not a valid release state
     */
    function betterStates($state, $include = false)
    {
        static $states = array('snapshot', 'devel', 'alpha', 'beta', 'stable');
        $i = array_search($state, $states);
        if ($i === false) {
            return false;
        }
        if ($include) {
            $i--;
        }
        return array_slice($states, $i + 1);
    }
}
?>