PHP snmpTransportToAddressFamily函数代码示例

function poll_device($device, $options)
{
    global $config, $device, $polled_devices, $db_stats, $memcache;
    $attribs = get_dev_attribs($device['device_id']);
    $status = 0;
    unset($array);
    $device_start = utime();
    // Start counting device poll time
    echo $device['hostname'] . ' ' . $device['device_id'] . ' ' . $device['os'] . ' ';
    if ($config['os'][$device['os']]['group']) {
        $device['os_group'] = $config['os'][$device['os']]['group'];
        echo '(' . $device['os_group'] . ')';
    }
    echo "\n";
    unset($poll_update);
    unset($poll_update_query);
    unset($poll_separator);
    $poll_update_array = array();
    $update_array = array();
    $host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
    if (!is_dir($host_rrd)) {
        mkdir($host_rrd);
        echo "Created directory : {$host_rrd}\n";
    }
    $address_family = snmpTransportToAddressFamily($device['transport']);
    $ping_response = isPingable($device['hostname'], $address_family, $attribs);
    $device_perf = $ping_response['db'];
    $device_perf['device_id'] = $device['device_id'];
    $device_perf['timestamp'] = array('NOW()');
    if (can_ping_device($attribs) === true && is_array($device_perf)) {
        dbInsert($device_perf, 'device_perf');
    }
    $device['pingable'] = $ping_response['result'];
    $ping_time = $ping_response['last_ping_timetaken'];
    $response = array();
    $status_reason = '';
    if ($device['pingable']) {
        $device['snmpable'] = isSNMPable($device);
        if ($device['snmpable']) {
            $status = '1';
            $response['status_reason'] = '';
        } else {
            echo 'SNMP Unreachable';
            $status = '0';
            $response['status_reason'] = 'snmp';
        }
    } else {
        echo 'Unpingable';
        $status = '0';
        $response['status_reason'] = 'icmp';
    }
    if ($device['status'] != $status) {
        $poll_update .= $poll_separator . "`status` = '{$status}'";
        $poll_separator = ', ';
        dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
        dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => 'Device is ' . ($status == '1' ? 'up' : 'down')), 'alerts');
        log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down'), $device, $status == '1' ? 'up' : 'down');
    }
    if ($status == '1') {
        $graphs = array();
        $oldgraphs = array();
        if ($options['m']) {
            foreach (explode(',', $options['m']) as $module) {
                if (is_file('includes/polling/' . $module . '.inc.php')) {
                    include 'includes/polling/' . $module . '.inc.php';
                }
            }
        } else {
            foreach ($config['poller_modules'] as $module => $module_status) {
                if ($attribs['poll_' . $module] || $module_status && !isset($attribs['poll_' . $module])) {
                    // TODO per-module polling stats
                    include 'includes/polling/' . $module . '.inc.php';
                } else {
                    if (isset($attribs['poll_' . $module]) && $attribs['poll_' . $module] == '0') {
                        echo "Module [ {$module} ] disabled on host.\n";
                    } else {
                        echo "Module [ {$module} ] disabled globally.\n";
                    }
                }
            }
        }
        //end if
        if (!$options['m']) {
            // FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
            // This code cycles through the graphs already known in the database and the ones we've defined as being polled here
            // If there any don't match, they're added/deleted from the database.
            // Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
            foreach (dbFetch('SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?', array($device['device_id'])) as $graph) {
                if (isset($graphs[$graph['graph']])) {
                    $oldgraphs[$graph['graph']] = true;
                } else {
                    dbDelete('device_graphs', '`device_id` = ? AND `graph` = ?', array($device['device_id'], $graph['graph']));
                }
            }
            foreach ($graphs as $graph => $value) {
                if (!isset($oldgraphs[$graph])) {
                    echo '+';
                    dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
                }
                echo $graph . ' ';
//.........这里部分代码省略.........

function poll_device($device, $options)
{
    global $config, $device, $polled_devices, $memcache;
    $attribs = get_dev_attribs($device['device_id']);
    $device['snmp_max_repeaters'] = $attribs['snmp_max_repeaters'];
    $device['snmp_max_oid'] = $attribs['snmp_max_oid'];
    $status = 0;
    unset($array);
    $device_start = microtime(true);
    // Start counting device poll time
    echo 'Hostname: ' . $device['hostname'] . PHP_EOL;
    echo 'Device ID: ' . $device['device_id'] . PHP_EOL;
    echo 'OS: ' . $device['os'];
    $ip = dnslookup($device);
    if (!empty($ip) && $ip != inet6_ntop($device['ip'])) {
        log_event('Device IP changed to ' . $ip, $device, 'system');
        $db_ip = inet_pton($ip);
        dbUpdate(array('ip' => $db_ip), 'devices', 'device_id=?', array($device['device_id']));
    }
    if ($config['os'][$device['os']]['group']) {
        $device['os_group'] = $config['os'][$device['os']]['group'];
        echo ' (' . $device['os_group'] . ')';
    }
    echo PHP_EOL . PHP_EOL;
    unset($poll_update);
    unset($poll_update_query);
    unset($poll_separator);
    $poll_update_array = array();
    $update_array = array();
    $host_rrd = $config['rrd_dir'] . '/' . $device['hostname'];
    if ($config['norrd'] !== true && !is_dir($host_rrd)) {
        mkdir($host_rrd);
        echo "Created directory : {$host_rrd}\n";
    }
    $address_family = snmpTransportToAddressFamily($device['transport']);
    $ping_response = isPingable($device['hostname'], $address_family, $attribs);
    $device_perf = $ping_response['db'];
    $device_perf['device_id'] = $device['device_id'];
    $device_perf['timestamp'] = array('NOW()');
    if (can_ping_device($attribs) === true && is_array($device_perf)) {
        dbInsert($device_perf, 'device_perf');
    }
    $device['pingable'] = $ping_response['result'];
    $ping_time = $ping_response['last_ping_timetaken'];
    $response = array();
    $status_reason = '';
    if ($device['pingable']) {
        $device['snmpable'] = isSNMPable($device);
        if ($device['snmpable']) {
            $status = '1';
            $response['status_reason'] = '';
        } else {
            echo 'SNMP Unreachable';
            $status = '0';
            $response['status_reason'] = 'snmp';
        }
    } else {
        echo 'Unpingable';
        $status = '0';
        $response['status_reason'] = 'icmp';
    }
    if ($device['status'] != $status) {
        $poll_update .= $poll_separator . "`status` = '{$status}'";
        $poll_separator = ', ';
        dbUpdate(array('status' => $status, 'status_reason' => $response['status_reason']), 'devices', 'device_id=?', array($device['device_id']));
        log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down') . ' from ' . $response['status_reason'] . ' check.', $device, $status == '1' ? 'up' : 'down');
    }
    if ($status == '1') {
        $graphs = array();
        $oldgraphs = array();
        // we always want the core module to be included
        include 'includes/polling/core.inc.php';
        $force_module = false;
        if ($options['m']) {
            $config['poller_modules'] = array();
            foreach (explode(',', $options['m']) as $module) {
                if (is_file('includes/polling/' . $module . '.inc.php')) {
                    $config['poller_modules'][$module] = 1;
                    $force_module = true;
                }
            }
        }
        foreach ($config['poller_modules'] as $module => $module_status) {
            $os_module_status = $config['os'][$device['os']]['poller_modules'][$module];
            d_echo("Modules status: Global" . (isset($module_status) ? $module_status ? '+ ' : '- ' : '  '));
            d_echo("OS" . (isset($os_module_status) ? $os_module_status ? '+ ' : '- ' : '  '));
            d_echo("Device" . (isset($attribs['poll_' . $module]) ? $attribs['poll_' . $module] ? '+ ' : '- ' : '  '));
            if ($force_module === true || $attribs['poll_' . $module] || $os_module_status && !isset($attribs['poll_' . $module]) || $module_status && !isset($os_module_status) && !isset($attribs['poll_' . $module])) {
                $module_start = 0;
                $module_time = 0;
                $module_start = microtime(true);
                echo "\n#### Load poller module {$module} ####\n";
                include "includes/polling/{$module}.inc.php";
                $module_time = microtime(true) - $module_start;
                printf("\n>> Runtime for poller module '%s': %.4f seconds\n", $module, $module_time);
                echo "#### Unload poller module {$module} ####\n\n";
                // save per-module poller stats
                $tags = array('module' => $module, 'rrd_def' => 'DS:poller:GAUGE:600:0:U', 'rrd_name' => array('poller-perf', $module));
                $fields = array('poller' => $module_time);
                data_update($device, 'poller-perf', $tags, $fields);
//.........这里部分代码省略.........

function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0', $poller_group = '0', $force_add = '0')
{
    global $config;
    list($hostshort) = explode(".", $host);
    // Test Database Exists
    if (host_exists($host) === false) {
        if ($config['addhost_alwayscheckip'] === TRUE) {
            $ip = gethostbyname($host);
        } else {
            $ip = $host;
        }
        if (ip_exists($ip) === false) {
            // Test reachability
            $address_family = snmpTransportToAddressFamily($transport);
            if ($force_add == 1 || isPingable($host, $address_family)) {
                if (empty($snmpver)) {
                    // Try SNMPv2c
                    $snmpver = 'v2c';
                    $ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                    if (!$ret) {
                        //Try SNMPv3
                        $snmpver = 'v3';
                        $ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                        if (!$ret) {
                            // Try SNMPv1
                            $snmpver = 'v1';
                            return addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
                        } else {
                            return $ret;
                        }
                    } else {
                        return $ret;
                    }
                }
                if ($snmpver === "v3") {
                    // Try each set of parameters from config
                    foreach ($config['snmp']['v3'] as $v3) {
                        $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
                        if ($quiet == '0') {
                            print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
                        }
                        if ($force_add == 1 || isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (empty($snmphost) or $snmphost == $host || ($hostshort = $host)) {
                                $device_id = createHost($host, NULL, $snmpver, $port, $transport, $v3, $poller_group);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using {$snmpver}");
                            }
                        }
                    }
                } elseif ($snmpver === "v2c" or $snmpver === "v1") {
                    // try each community from config
                    foreach ($config['snmp']['community'] as $community) {
                        $device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
                        if ($quiet == '0') {
                            print_message("Trying community {$community} ...");
                        }
                        if ($force_add == 1 || isSNMPable($device)) {
                            $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                            if (empty($snmphost) || $snmphost && ($snmphost == $host || ($hostshort = $host))) {
                                $device_id = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group);
                                return $device_id;
                            } else {
                                if ($quiet == '0') {
                                    print_error("Given hostname does not match SNMP-read hostname ({$snmphost})!");
                                }
                            }
                        } else {
                            if ($quiet == '0') {
                                print_error("No reply on community {$community} using {$snmpver}");
                            }
                        }
                    }
                } else {
                    if ($quiet == '0') {
                        print_error("Unsupported SNMP Version \"{$snmpver}\".");
                    }
                }
                if (!$device_id) {
                    // Failed SNMP
                    if ($quiet == '0') {
                        print_error("Could not reach {$host} with given SNMP community using {$snmpver}");
                    }
                }
            } else {
                // failed Reachability
                if ($quiet == '0') {
                    print_error("Could not ping {$host}");
                }
            }
        } else {
            if ($quiet == 0) {
                print_error("Already have host with this IP {$host}");
//.........这里部分代码省略.........

/**
 * Add a device to LibreNMS
 *
 * @param string $host dns name or ip address
 * @param string $snmp_version If this is empty, try v2c,v3,v1.  Otherwise, use this specific version.
 * @param string $port the port to connect to for snmp
 * @param string $transport udp or tcp
 * @param string $poller_group the poller group this device will belong to
 * @param boolean $force_add add even if the device isn't reachable
 * @param string $port_assoc_mode snmp field to use to determine unique ports
 *
 * @return int returns the device_id of the added device
 *
 * @throws HostExistsException This hostname already exists
 * @throws HostIpExistsException We already have a host with this IP
 * @throws HostUnreachableException We could not reach this device is some way
 * @throws HostUnreachablePingException We could not ping the device
 * @throws InvalidPortAssocModeException The given port association mode was invalid
 * @throws SnmpVersionUnsupportedException The given snmp version was invalid
 */
function addHost($host, $snmp_version = '', $port = '161', $transport = 'udp', $poller_group = '0', $force_add = false, $port_assoc_mode = 'ifIndex')
{
    global $config;
    // Test Database Exists
    if (host_exists($host) === true) {
        throw new HostExistsException("Already have host {$host}");
    }
    // Valid port assoc mode
    if (!is_valid_port_assoc_mode($port_assoc_mode)) {
        throw new InvalidPortAssocModeException("Invalid port association_mode '{$port_assoc_mode}'. Valid modes are: " . join(', ', get_port_assoc_modes()));
    }
    // check if we have the host by IP
    if ($config['addhost_alwayscheckip'] === true) {
        $ip = gethostbyname($host);
    } else {
        $ip = $host;
    }
    if (ip_exists($ip)) {
        throw new HostIpExistsException("Already have host with this IP {$host}");
    }
    // Test reachability
    if (!$force_add) {
        $address_family = snmpTransportToAddressFamily($transport);
        $ping_result = isPingable($host, $address_family);
        if (!$ping_result['result']) {
            throw new HostUnreachablePingException("Could not ping {$host}");
        }
    }
    // if $snmpver isn't set, try each version of snmp
    if (empty($snmp_version)) {
        $snmpvers = array('v2c', 'v3', 'v1');
    } else {
        $snmpvers = array($snmp_version);
    }
    $host_unreachable_exception = new HostUnreachableException("Could not connect, please check the snmp details and snmp reachability");
    // try different snmp variables to add the device
    foreach ($snmpvers as $snmpver) {
        if ($snmpver === "v3") {
            // Try each set of parameters from config
            foreach ($config['snmp']['v3'] as $v3) {
                $device = deviceArray($host, null, $snmpver, $port, $transport, $v3, $port_assoc_mode);
                if ($force_add === true || isSNMPable($device)) {
                    if ($force_add !== true) {
                        $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                    }
                    $result = createHost($host, null, $snmpver, $port, $transport, $v3, $poller_group, $port_assoc_mode, $snmphost, $force_add);
                    if ($result !== false) {
                        return $result;
                    }
                } else {
                    $host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with credentials " . $v3['authname'] . "/" . $v3['authlevel']);
                }
            }
        } elseif ($snmpver === "v2c" || $snmpver === "v1") {
            // try each community from config
            foreach ($config['snmp']['community'] as $community) {
                $device = deviceArray($host, $community, $snmpver, $port, $transport, null, $port_assoc_mode);
                if ($force_add === true || isSNMPable($device)) {
                    if ($force_add !== true) {
                        $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
                    }
                    $result = createHost($host, $community, $snmpver, $port, $transport, array(), $poller_group, $port_assoc_mode, $snmphost, $force_add);
                    if ($result !== false) {
                        return $result;
                    }
                } else {
                    $host_unreachable_exception->addReason("SNMP {$snmpver}: No reply with community {$community}");
                }
            }
        } else {
            throw new SnmpVersionUnsupportedException("Unsupported SNMP Version \"{$snmpver}\", must be v1, v2c, or v3");
        }
    }
    throw $host_unreachable_exception;
}