/*
  +----------------------------------------------------------------------+
  | Swoole                                                               |
  +----------------------------------------------------------------------+
  | This source file is subject to version 2.0 of the Apache license,    |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.apache.org/licenses/LICENSE-2.0.html                      |
  | If you did not receive a copy of the Apache2.0 license and are unable|
  | to obtain it through the world-wide-web, please send a note to       |
  | license@swoole.com so we can mail you a copy immediately.            |
  +----------------------------------------------------------------------+
  | Author: Tianfeng Han  <mikan.tenny@gmail.com>                        |
  +----------------------------------------------------------------------+
 */

#include "php_swoole.h"
#include "module.h"
#include "Connection.h"

#include "ext/standard/php_var.h"
#if PHP_MAJOR_VERSION < 7
#include "ext/standard/php_smart_str.h"
#else
#include "zend_smart_str.h"
#endif

static int php_swoole_task_id;
static int udp_server_socket;
static int dgram_server_socket;

static struct
{
    zval *zobjects[SW_MAX_LISTEN_PORT];
    zval *zports;
    uint8_t num;
} server_port_list;

zval *php_sw_server_callbacks[PHP_SERVER_CALLBACK_NUM];
static swHashMap *task_callbacks;

#if PHP_MAJOR_VERSION >= 7
zval _php_sw_server_callbacks[PHP_SERVER_CALLBACK_NUM];
#endif

static int php_swoole_task_finish(swServer *serv, zval *data TSRMLS_DC);
static void php_swoole_onPipeMessage(swServer *serv, swEventData *req);
static void php_swoole_onStart(swServer *);
static void php_swoole_onShutdown(swServer *);
static void php_swoole_onWorkerStart(swServer *, int worker_id);
static void php_swoole_onWorkerStop(swServer *, int worker_id);
static void php_swoole_onUserWorkerStart(swServer *serv, swWorker *worker);
static int php_swoole_onTask(swServer *, swEventData *task);
static int php_swoole_onFinish(swServer *, swEventData *task);
static void php_swoole_onWorkerError(swServer *serv, int worker_id, pid_t worker_pid, int exit_code, int signo);
static void php_swoole_onManagerStart(swServer *serv);
static void php_swoole_onManagerStop(swServer *serv);

static zval* php_swoole_server_add_port(swListenPort *port TSRMLS_DC);

int php_swoole_task_pack(swEventData *task, zval *data TSRMLS_DC)
{
    smart_str serialized_data = { 0 };
    php_serialize_data_t var_hash;
#if PHP_MAJOR_VERSION >= 7
    zend_string *serialized_string = NULL;
#endif

    task->info.type = SW_EVENT_TASK;
    //field fd save task_id
    task->info.fd = php_swoole_task_id++;
    //field from_id save the worker_id
    task->info.from_id = SwooleWG.id;
    swTask_type(task) = 0;

    char *task_data_str;
    int task_data_len = 0;
    //need serialize
    if (SW_Z_TYPE_P(data) != IS_STRING)
    {
        //serialize
        swTask_type(task) |= SW_TASK_SERIALIZE;

#if PHP_MAJOR_VERSION >= 7
        if (SWOOLE_G(fast_serialize))
        {
            serialized_string = php_swoole_serialize(data);
            task_data_str = serialized_string->val;
            task_data_len = serialized_string->len;
        }
        else
#endif
        {
            PHP_VAR_SERIALIZE_INIT(var_hash);
            sw_php_var_serialize(&serialized_data, data, &var_hash TSRMLS_CC);
            PHP_VAR_SERIALIZE_DESTROY(var_hash);

#if PHP_MAJOR_VERSION < 7
            task_data_str = serialized_data.c;
            task_data_len = serialized_data.len;
#else
            task_data_str = serialized_data.s->val;
            task_data_len = serialized_data.s->len;
#endif
        }
    }
    else
    {
        task_data_str = Z_STRVAL_P(data);
        task_data_len = Z_STRLEN_P(data);
    }

    if (task_data_len >= SW_IPC_MAX_SIZE - sizeof(task->info))
    {
        if (swTaskWorker_large_pack(task, task_data_str, task_data_len) < 0)
        {
            swoole_php_fatal_error(E_WARNING, "large task pack failed().");
            task->info.fd = SW_ERR;
        }
    }
    else
    {
        memcpy(task->data, task_data_str, task_data_len);
        task->info.len = task_data_len;
    }

#if PHP_MAJOR_VERSION >= 7
    if (SWOOLE_G(fast_serialize) && serialized_string)
    {
        zend_string_release(serialized_string);
    }
    else
#endif
    {
        smart_str_free(&serialized_data);
    }
    return task->info.fd;
}

void php_swoole_get_recv_data(zval *zdata, swEventData *req, char *header, uint32_t header_length)
{
    char *data_ptr = NULL;
    int data_len;

#ifdef SW_USE_RINGBUFFER
    swPackage package;
    if (req->info.type == SW_EVENT_PACKAGE)
    {
        memcpy(&package, req->data, sizeof (package));

        data_ptr = package.data;
        data_len = package.length;
    }
#else
    if (req->info.type == SW_EVENT_PACKAGE_END)
    {
        swString *worker_buffer = swWorker_get_buffer(SwooleG.serv, req->info.from_id);
        data_ptr = worker_buffer->str;
        data_len = worker_buffer->length;
    }
#endif
    else
    {
        data_ptr = req->data;
        data_len = req->info.len;
    }

    if (header_length >= data_len)
    {
        SW_ZVAL_STRING(zdata, "", 1);
    }
    else
    {
        SW_ZVAL_STRINGL(zdata, data_ptr + header_length, data_len - header_length, 1);
    }

    if (header_length > 0)
    {
        memcpy(header, data_ptr, header_length);
    }

#ifdef SW_USE_RINGBUFFER
    if (req->info.type == SW_EVENT_PACKAGE)
    {
        swReactorThread *thread = swServer_get_thread(SwooleG.serv, req->info.from_id);
        thread->buffer_input->free(thread->buffer_input, data_ptr);
    }
#endif
}

int php_swoole_get_send_data(zval *zdata, char **str TSRMLS_DC)
{
    int length;

    if (SW_Z_TYPE_P(zdata) == IS_OBJECT)
    {
        if (!instanceof_function(Z_OBJCE_P(zdata), swoole_buffer_class_entry_ptr TSRMLS_CC))
        {
            goto convert;
        }
        swString *str_buffer = swoole_get_object(zdata);
        if (!str_buffer->str)
        {
            swoole_php_fatal_error(E_WARNING, "swoole_buffer object is empty.");
            return SW_ERR;
        }
        length = str_buffer->length - str_buffer->offset;
        *str = str_buffer->str + str_buffer->offset;
    }
    else
    {
        convert:
        convert_to_string(zdata);
        length = Z_STRLEN_P(zdata);
        *str = Z_STRVAL_P(zdata);
    }

    if (length >= SwooleG.serv->buffer_output_size)
    {
        swoole_php_fatal_error(E_WARNING, "send %d byte data fail, max_size is %d.", length, SwooleG.serv->buffer_output_size);
        return SW_ERR;
    }

    return length;
}

static sw_inline int php_swoole_check_task_param(int dst_worker_id TSRMLS_DC)
{
    if (SwooleG.task_worker_num < 1)
    {
        swoole_php_fatal_error(E_WARNING, "Task method cannot use, Please set task_worker_num.");
        return SW_ERR;
    }

    if (dst_worker_id >= SwooleG.task_worker_num)
    {
        swoole_php_fatal_error(E_WARNING, "worker_id must be less than serv->task_worker_num.");
        return SW_ERR;
    }

    if (!swIsWorker())
    {
        swoole_php_fatal_error(E_WARNING, "The method can only be used in the worker process.");
        return SW_ERR;
    }

    return SW_OK;
}

zval* php_swoole_task_unpack(swEventData *task_result TSRMLS_DC)
{
    zval *result_data, *result_unserialized_data;
    char *result_data_str;
    int result_data_len = 0;
    php_unserialize_data_t var_hash;
    swString *large_packet;

    /**
     * Large result package
     */
    if (swTask_type(task_result) & SW_TASK_TMPFILE)
    {
        large_packet = swTaskWorker_large_unpack(task_result);
        /**
         * unpack failed
         */
        if (large_packet == NULL)
        {
            return NULL;
        }
        result_data_str = large_packet->str;
        result_data_len = large_packet->length;
    }
    else
    {
        result_data_str = task_result->data;
        result_data_len = task_result->info.len;
    }

    if (swTask_type(task_result) & SW_TASK_SERIALIZE)
    {
        SW_ALLOC_INIT_ZVAL(result_unserialized_data);

#if PHP_MAJOR_VERSION >= 7
        if (SWOOLE_G(fast_serialize))
        {
            if (php_swoole_unserialize(result_data_str, result_data_len, result_unserialized_data, NULL))
            {
                result_data = result_unserialized_data;
            }
            else
            {
                SW_ALLOC_INIT_ZVAL(result_data);
                SW_ZVAL_STRINGL(result_data, result_data_str, result_data_len, 1);
            }
        }
        else
#endif
        {
            PHP_VAR_UNSERIALIZE_INIT(var_hash);
            //unserialize success
            if (sw_php_var_unserialize(&result_unserialized_data, (const unsigned char ** ) &result_data_str,
                    (const unsigned char * ) (result_data_str + result_data_len), &var_hash TSRMLS_CC))
            {
                result_data = result_unserialized_data;
            }
            //failed
            else
            {
                SW_ALLOC_INIT_ZVAL(result_data);
                SW_ZVAL_STRINGL(result_data, result_data_str, result_data_len, 1);
            }
            PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
        }
    }
    else
    {
        SW_ALLOC_INIT_ZVAL(result_data);
        SW_ZVAL_STRINGL(result_data, result_data_str, result_data_len, 1);
    }
    return result_data;
}

static zval* php_swoole_server_add_port(swListenPort *port TSRMLS_DC)
{
    zval *port_object;
    SW_ALLOC_INIT_ZVAL(port_object);
    object_init_ex(port_object, swoole_server_port_class_entry_ptr);
    server_port_list.zobjects[server_port_list.num++] = port_object;

    swoole_server_port_property *property = emalloc(sizeof(swoole_server_port_property));
    bzero(property, sizeof(swoole_server_port_property));
    swoole_set_property(port_object, 0, property);
    swoole_set_object(port_object, port);

    zend_update_property_string(swoole_server_port_class_entry_ptr, port_object, ZEND_STRL("host"), port->host TSRMLS_CC);
    zend_update_property_long(swoole_server_port_class_entry_ptr, port_object, ZEND_STRL("port"), port->port TSRMLS_CC);
    zend_update_property_long(swoole_server_port_class_entry_ptr, port_object, ZEND_STRL("type"), port->type TSRMLS_CC);

    add_next_index_zval(server_port_list.zports, port_object);

    return port_object;
}

void php_swoole_server_before_start(swServer *serv, zval *zobject TSRMLS_DC)
{
    /**
     * create swoole server
     */
    if (swServer_create(serv) < 0)
    {
        swoole_php_fatal_error(E_ERROR, "create server failed. Error: %s", sw_error);
        return;
    }

    swTrace("Create swoole_server host=%s, port=%d, mode=%d, type=%d", serv->listen_list->host, (int) serv->listen_list->port, serv->factory_mode, (int) serv->listen_list->type);

    zval *zsetting = sw_zend_read_property(swoole_server_class_entry_ptr, zobject, ZEND_STRL("setting"), 1 TSRMLS_CC);
    if (zsetting == NULL || ZVAL_IS_NULL(zsetting))
    {
        SW_MAKE_STD_ZVAL(zsetting);
        array_init(zsetting);
        zend_update_property(swoole_server_class_entry_ptr, zobject, ZEND_STRL("setting"), zsetting TSRMLS_CC);
    }

    if (!sw_zend_hash_exists(Z_ARRVAL_P(zsetting), ZEND_STRL("worker_num")))
    {
        add_assoc_long(zsetting, "worker_num", serv->worker_num);
    }
    if (!sw_zend_hash_exists(Z_ARRVAL_P(zsetting), ZEND_STRL("task_worker_num")))
    {
        add_assoc_long(zsetting, "task_worker_num", SwooleG.task_worker_num);
    }
    if (!sw_zend_hash_exists(Z_ARRVAL_P(zsetting), ZEND_STRL("pipe_buffer_size")))
    {
        add_assoc_long(zsetting, "pipe_buffer_size", serv->pipe_buffer_size);
    }
    if (!sw_zend_hash_exists(Z_ARRVAL_P(zsetting), ZEND_STRL("buffer_output_size")))
    {
        add_assoc_long(zsetting, "buffer_output_size", serv->buffer_output_size);
    }
    if (!sw_zend_hash_exists(Z_ARRVAL_P(zsetting), ZEND_STRL("max_connection")))
    {
        add_assoc_long(zsetting, "max_connection", serv->max_connection);
    }

    int i;
    zval *retval = NULL;
    zval *port_object;
    zval *port_setting;

    for (i = 1; i < server_port_list.num; i++)
    {
        port_object = server_port_list.zobjects[i];
        port_setting = sw_zend_read_property(swoole_server_port_class_entry_ptr, port_object, ZEND_STRL("setting"), 1 TSRMLS_CC);
        //use swoole_server->setting
        if (port_setting == NULL || ZVAL_IS_NULL(port_setting))
        {
            sw_zval_add_ref(&port_setting);
            sw_zval_add_ref(&port_object);
            sw_zend_call_method_with_1_params(&port_object, swoole_server_port_class_entry_ptr, NULL, "set", &retval, zsetting);
            if (retval != NULL)
            {
                sw_zval_ptr_dtor(&retval);
            }
        }
    }
}

void php_swoole_register_callback(swServer *serv)
{
    /*
     * optional callback
     */
    if (php_sw_server_callbacks[SW_SERVER_CB_onStart] != NULL)
    {
        serv->onStart = php_swoole_onStart;
    }
    serv->onShutdown = php_swoole_onShutdown;
    /**
     * require callback, set the master/manager/worker PID
     */
    serv->onWorkerStart = php_swoole_onWorkerStart;

    if (php_sw_server_callbacks[SW_SERVER_CB_onWorkerStop] != NULL)
    {
        serv->onWorkerStop = php_swoole_onWorkerStop;
    }
    /**
     * UDP Packet
     */
    if (php_sw_server_callbacks[SW_SERVER_CB_onPacket] != NULL)
    {
        serv->onPacket = php_swoole_onPacket;
    }
    /**
     * Task Worker
     */
    if (php_sw_server_callbacks[SW_SERVER_CB_onTask] != NULL)
    {
        serv->onTask = php_swoole_onTask;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onFinish] != NULL)
    {
        serv->onFinish = php_swoole_onFinish;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onWorkerError] != NULL)
    {
        serv->onWorkerError = php_swoole_onWorkerError;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onManagerStart] != NULL)
    {
        serv->onManagerStart = php_swoole_onManagerStart;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onManagerStop] != NULL)
    {
        serv->onManagerStop = php_swoole_onManagerStop;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onPipeMessage] != NULL)
    {
        serv->onPipeMessage = php_swoole_onPipeMessage;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onBufferFull] != NULL)
    {
        serv->onBufferFull = php_swoole_onBufferFull;
    }
    if (php_sw_server_callbacks[SW_SERVER_CB_onBufferEmpty] != NULL)
    {
        serv->onBufferEmpty = php_swoole_onBufferEmpty;
    }
}

static int php_swoole_task_finish(swServer *serv, zval *data TSRMLS_DC)
{
    int flags = 0;
    smart_str serialized_data = {0};
    php_serialize_data_t var_hash;
    char *data_str;
    int data_len = 0;
    int ret;

#if PHP_MAJOR_VERSION >= 7
    zend_string *serialized_string = NULL;
#endif

    //need serialize
    if (SW_Z_TYPE_P(data) != IS_STRING)
    {
        //serialize
        flags |= SW_TASK_SERIALIZE;
#if PHP_MAJOR_VERSION >= 7
        if (SWOOLE_G(fast_serialize))
        {
            serialized_string = php_swoole_serialize(data);
            data_str = serialized_string->val;
            data_len = serialized_string->len;
        }
        else
#endif
        {
            PHP_VAR_SERIALIZE_INIT(var_hash);
            sw_php_var_serialize(&serialized_data, data, &var_hash TSRMLS_CC);
            PHP_VAR_SERIALIZE_DESTROY(var_hash);
#if PHP_MAJOR_VERSION<7
            data_str = serialized_data.c;
            data_len = serialized_data.len;
#else
            data_str = serialized_data.s->val;
            data_len = serialized_data.s->len;
#endif
        }
    }
    else
    {
        data_str = Z_STRVAL_P(data);
        data_len = Z_STRLEN_P(data);
    }

    ret = swTaskWorker_finish(serv, data_str, data_len, flags);
#if PHP_MAJOR_VERSION >= 7
    if (SWOOLE_G(fast_serialize))
    {
        zend_string_release(serialized_string);
    }
    else
#endif
    {
        smart_str_free(&serialized_data);
    }
    return ret;
}

static void php_swoole_onPipeMessage(swServer *serv, swEventData *req)
{
    SWOOLE_GET_TSRMLS;

    zval *zserv = (zval *) serv->ptr2;
    zval *zworker_id;
    zval *retval = NULL;

    SW_MAKE_STD_ZVAL(zworker_id);
    ZVAL_LONG(zworker_id, (long) req->info.from_id);

    zval *zdata = php_swoole_task_unpack(req TSRMLS_CC);

    zval **args[3];
    args[0] = &zserv;
    args[1] = &zworker_id;
    args[2] = &zdata;

    swTrace("PipeMessage: fd=%d|len=%d|from_id=%d|data=%s\n", req->info.fd, req->info.len, req->info.from_id, req->data);

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onPipeMessage], &retval, 3, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onPipeMessage handler error.");
    }

    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }

    sw_zval_ptr_dtor(&zworker_id);
    sw_zval_ptr_dtor(&zdata);

    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

int php_swoole_onReceive(swServer *serv, swEventData *req)
{
    swFactory *factory = &serv->factory;
    zval *zserv = (zval *) serv->ptr2;
    zval **args[4];

    zval *zfd;
    zval *zfrom_id;
    zval *zdata;
    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    zval *callback = php_swoole_server_get_callback(serv, req->info.from_fd, SW_SERVER_CB_onReceive);
    if (callback == NULL || ZVAL_IS_NULL(callback))
    {
        swoole_php_fatal_error(E_WARNING, "onReceive callback is null.");
        return SW_OK;
    }

    //UDP使用from_id作为port,fd做为ip
    php_swoole_udp_t udp_info;
    swDgramPacket *packet;

    SW_MAKE_STD_ZVAL(zfd);
    SW_MAKE_STD_ZVAL(zfrom_id);
    SW_MAKE_STD_ZVAL(zdata);

    //dgram
    if (swEventData_is_dgram(req->info.type))
    {
        swoole_php_error(E_DEPRECATED, "The udp onReceive callback is deprecated, use onPacket instead.");

        swString *buffer = swWorker_get_buffer(serv, req->info.from_id);
        packet = (swDgramPacket*) buffer->str;

        //udp ipv4
        if (req->info.type == SW_EVENT_UDP)
        {
            udp_info.from_fd = req->info.from_fd;
            udp_info.port = packet->port;
            memcpy(&udp_server_socket, &udp_info, sizeof(udp_server_socket));
            factory->last_from_id = udp_server_socket;
            swTrace("SendTo: from_id=%d|from_fd=%d", (uint16_t) req->info.from_id, req->info.from_fd);
            SW_ZVAL_STRINGL(zdata, packet->data, packet->length, 1);
            ZVAL_LONG(zfrom_id, (long ) udp_server_socket);
            ZVAL_LONG(zfd, (long ) packet->addr.v4.s_addr);
        }
        //udp ipv6
        else if (req->info.type == SW_EVENT_UDP6)
        {
            udp_info.from_fd = req->info.from_fd;
            udp_info.port = packet->port;
            memcpy(&dgram_server_socket, &udp_info, sizeof(udp_server_socket));
            factory->last_from_id = dgram_server_socket;

            swTrace("SendTo: from_id=%d|from_fd=%d", (uint16_t) req->info.from_id, req->info.from_fd);

            ZVAL_LONG(zfrom_id, (long ) dgram_server_socket);
            char tmp[INET6_ADDRSTRLEN];
            inet_ntop(AF_INET6, &packet->addr.v6, tmp, sizeof(tmp));
            SW_ZVAL_STRING(zfd, tmp, 1);
            SW_ZVAL_STRINGL(zdata, packet->data, packet->length, 1);
        }
        //unix dgram
        else
        {
            SW_ZVAL_STRINGL(zfd, packet->data, packet->addr.un.path_length, 1);
            SW_ZVAL_STRINGL(zdata, packet->data + packet->addr.un.path_length, packet->length - packet->addr.un.path_length, 1);
            ZVAL_LONG(zfrom_id, (long ) req->info.from_fd);
            dgram_server_socket = req->info.from_fd;
        }
    }
    //stream
    else
    {
        ZVAL_LONG(zfrom_id, (long ) req->info.from_id);
        ZVAL_LONG(zfd, (long ) req->info.fd);
        php_swoole_get_recv_data(zdata, req, NULL, 0);
    }

    args[0] = &zserv;
    args[1] = &zfd;
    args[2] = &zfrom_id;
    args[3] = &zdata;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 4, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onReceive handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zfd);
    sw_zval_ptr_dtor(&zfrom_id);
    sw_zval_ptr_dtor(&zdata);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
    return SW_OK;
}

int php_swoole_onPacket(swServer *serv, swEventData *req)
{
    zval *zserv = (zval *) serv->ptr2;
    zval **args[3];

    zval *zdata;
    zval *zaddr;
    zval *retval = NULL;
    swDgramPacket *packet;

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(zdata);
    SW_MAKE_STD_ZVAL(zaddr);
    array_init(zaddr);

    swString *buffer = swWorker_get_buffer(serv, req->info.from_id);
    packet = (swDgramPacket*) buffer->str;

    add_assoc_long(zaddr, "server_socket", req->info.from_fd);

    swConnection *from_sock = swServer_connection_get(serv, req->info.from_fd);
    if (from_sock)
    {
        add_assoc_long(zaddr, "server_port", swConnection_get_port(from_sock));
    }

    zval *callback = php_swoole_server_get_callback(serv, req->info.from_fd, SW_SERVER_CB_onPacket);
    if (callback == NULL || ZVAL_IS_NULL(callback))
    {
        swoole_php_fatal_error(E_WARNING, "onPacket callback is null.");
        return SW_OK;
    }

    char address[INET6_ADDRSTRLEN];

    //udp ipv4
    if (req->info.type == SW_EVENT_UDP)
    {
        inet_ntop(AF_INET, &packet->addr.v4, address, sizeof(address));
        sw_add_assoc_string(zaddr, "address", address, 1);
        add_assoc_long(zaddr, "port", packet->port);
        SW_ZVAL_STRINGL(zdata, packet->data, packet->length, 1);
    }
    //udp ipv6
    else if (req->info.type == SW_EVENT_UDP6)
    {
        inet_ntop(AF_INET6, &packet->addr.v6, address, sizeof(address));
        sw_add_assoc_string(zaddr, "address", address, 1);
        add_assoc_long(zaddr, "port", packet->port);
        SW_ZVAL_STRINGL(zdata, packet->data, packet->length, 1);
    }
    //unix dgram
    else if (req->info.type == SW_EVENT_UNIX_DGRAM)
    {
        sw_add_assoc_stringl(zaddr, "address", packet->data, packet->addr.un.path_length, 1);
        SW_ZVAL_STRINGL(zdata, packet->data + packet->addr.un.path_length, packet->length - packet->addr.un.path_length, 1);
        dgram_server_socket = req->info.from_fd;
    }

    args[0] = &zserv;
    args[1] = &zdata;
    args[2] = &zaddr;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 3, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onPacket handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zaddr);
    sw_zval_ptr_dtor(&zdata);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
    return SW_OK;
}

static int php_swoole_onTask(swServer *serv, swEventData *req)
{
    zval *zserv = (zval *) serv->ptr2;
    zval **args[4];

    zval *zfd;
    zval *zfrom_id;

    sw_atomic_fetch_sub(&SwooleStats->tasking_num, 1);

    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(zfd);
    ZVAL_LONG(zfd, (long) req->info.fd);

    SW_MAKE_STD_ZVAL(zfrom_id);
    ZVAL_LONG(zfrom_id, (long) req->info.from_id);

    zval *zdata = php_swoole_task_unpack(req TSRMLS_CC);

    args[0] = &zserv;
    args[1] = &zfd;
    args[2] = &zfrom_id;
    args[3] = &zdata;

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onTask], &retval, 4, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onTask handler error.");
    }

    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }

    sw_zval_ptr_dtor(&zfd);
    sw_zval_ptr_dtor(&zfrom_id);
    sw_zval_ptr_dtor(&zdata);

    if (retval)
    {
        if (SW_Z_TYPE_P(retval) != IS_NULL)
        {
            php_swoole_task_finish(serv, retval TSRMLS_CC);
        }
        sw_zval_ptr_dtor(&retval);
    }

    return SW_OK;
}

static int php_swoole_onFinish(swServer *serv, swEventData *req)
{
    zval *zserv = (zval *) serv->ptr2;
    zval **args[3];

    zval *ztask_id;
    zval *zdata;
    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(ztask_id);
    ZVAL_LONG(ztask_id, (long) req->info.fd);

    zdata = php_swoole_task_unpack(req TSRMLS_CC);

    args[0] = &zserv;
    args[1] = &ztask_id;
    args[2] = &zdata;

    zval *callback = NULL;
    if (swTask_type(req) & SW_TASK_CALLBACK)
    {
        callback = swHashMap_find_int(task_callbacks, req->info.fd);
        if (callback == NULL)
        {
            swTask_type(req) = swTask_type(req) & (~SW_TASK_CALLBACK);
        }
    }
    if (callback == NULL)
    {
        callback = php_sw_server_callbacks[SW_SERVER_CB_onFinish];
    }
    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 3, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onFinish handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&ztask_id);
    sw_zval_ptr_dtor(&zdata);
#if PHP_MAJOR_VERSION >= 7
    efree(zdata);
#endif
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
    if (swTask_type(req) & SW_TASK_CALLBACK)
    {
        swHashMap_del_int(task_callbacks, req->info.fd);
        sw_zval_ptr_dtor(&callback);
#if PHP_MAJOR_VERSION >= 7
        efree(callback);
#endif
    }
    return SW_OK;
}

static void php_swoole_onStart(swServer *serv)
{
    SwooleG.lock.lock(&SwooleG.lock);
    SWOOLE_GET_TSRMLS;

    zval *zserv = (zval *) serv->ptr2;
    zval **args[1];
    zval *retval = NULL;

    pid_t manager_pid = serv->factory_mode == SW_MODE_PROCESS ? SwooleGS->manager_pid : 0;

    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("master_pid"), SwooleGS->master_pid TSRMLS_CC);
    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("manager_pid"), manager_pid TSRMLS_CC);

    args[0] = &zserv;
    sw_zval_add_ref(&zserv);

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onStart], &retval, 1, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onStart handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
    SwooleG.lock.unlock(&SwooleG.lock);
}

static void php_swoole_onManagerStart(swServer *serv)
{
    SWOOLE_GET_TSRMLS;

    zval *zserv = (zval *) serv->ptr2;
    zval **args[1];
    zval *retval = NULL;

    pid_t manager_pid = serv->factory_mode == SW_MODE_PROCESS ? SwooleGS->manager_pid : 0;

    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("master_pid"), SwooleGS->master_pid TSRMLS_CC);
    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("manager_pid"), manager_pid TSRMLS_CC);

    args[0] = &zserv;
    sw_zval_add_ref(&zserv);

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onManagerStart], &retval, 1, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onManagerStart handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

static void php_swoole_onManagerStop(swServer *serv)
{
    SWOOLE_GET_TSRMLS;
    zval *zserv = (zval *) serv->ptr2;
    zval **args[1];
    zval *retval = NULL;

    args[0] = &zserv;
    sw_zval_add_ref(&zserv);

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onManagerStop], &retval, 1, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onManagerStop handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

static void php_swoole_onShutdown(swServer *serv)
{
    SwooleG.lock.lock(&SwooleG.lock);
    zval *zserv = (zval *) serv->ptr2;
    zval **args[1];
    zval *retval = NULL;

    args[0] = &zserv;

    SWOOLE_GET_TSRMLS;

    if (php_sw_server_callbacks[SW_SERVER_CB_onShutdown] != NULL)
    {
        if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onShutdown], &retval, 1, args, 0, NULL TSRMLS_CC) == FAILURE)
        {
            swoole_php_fatal_error(E_WARNING, "onShutdown handler error.");
        }
        if (EG(exception))
        {
            zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
        }
        if (retval != NULL)
        {
            sw_zval_ptr_dtor(&retval);
        }
    }
    SwooleG.lock.unlock(&SwooleG.lock);
}

static void php_swoole_onWorkerStart(swServer *serv, int worker_id)
{
    zval *zserv = (zval *) serv->ptr2;
    zval *zworker_id;
    zval **args[2];
    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(zworker_id);
    ZVAL_LONG(zworker_id, worker_id);

    args[0] = &zserv;
    args[1] = &zworker_id;

    /**
     * Master Process ID
     */
    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("master_pid"), SwooleGS->master_pid TSRMLS_CC);

    /**
     * Manager Process ID
     */
    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("manager_pid"), SwooleGS->manager_pid TSRMLS_CC);

    /**
     * Worker ID
     */
    zend_update_property(swoole_server_class_entry_ptr, zserv, ZEND_STRL("worker_id"), zworker_id TSRMLS_CC);

    /**
     * Is a task worker?
     */
    if (worker_id >= serv->worker_num)
    {
        zend_update_property_bool(swoole_server_class_entry_ptr, zserv, ZEND_STRL("taskworker"), 1 TSRMLS_CC);
    }
    else
    {
        zend_update_property_bool(swoole_server_class_entry_ptr, zserv, ZEND_STRL("taskworker"), 0 TSRMLS_CC);
    }

    /**
     * Worker Process ID
     */
    zend_update_property_long(swoole_server_class_entry_ptr, zserv, ZEND_STRL("worker_pid"), getpid() TSRMLS_CC);

    sw_zval_ptr_dtor(&zworker_id);

    /**
     * Have not set the event callback
     */
    if (php_sw_server_callbacks[SW_SERVER_CB_onWorkerStart] == NULL)
    {
        return;
    }

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onWorkerStart], &retval, 2, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onWorkerStart handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    if (retval)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

static void php_swoole_onWorkerStop(swServer *serv, int worker_id)
{
    if (SwooleWG.shutdown)
    {
        return;
    }
    SwooleWG.shutdown = 1;

    zval *zobject = (zval *) serv->ptr2;
    zval *zworker_id;
    zval **args[2];
    zval *retval = NULL;

    SW_MAKE_STD_ZVAL(zworker_id);
    ZVAL_LONG(zworker_id, worker_id);

    sw_zval_add_ref(&zobject);

    SWOOLE_GET_TSRMLS;

    args[0] = &zobject;
    args[1] = &zworker_id;
    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onWorkerStop], &retval, 2, args, 0,
            NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onWorkerStop handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zworker_id);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

static void php_swoole_onUserWorkerStart(swServer *serv, swWorker *worker)
{
    SWOOLE_GET_TSRMLS;

    zval *object = worker->ptr;
    zend_update_property_long(swoole_process_class_entry_ptr, object, ZEND_STRL("id"), SwooleWG.id TSRMLS_CC);

    php_swoole_process_start(worker, object TSRMLS_CC);
}

static void php_swoole_onWorkerError(swServer *serv, int worker_id, pid_t worker_pid, int exit_code, int signo)
{
    zval *zobject = (zval *) serv->ptr2;
    zval *zworker_id, *zworker_pid, *zexit_code, *zsigno;
    zval **args[5];
    zval *retval = NULL;

    SW_MAKE_STD_ZVAL(zworker_id);
    ZVAL_LONG(zworker_id, worker_id);

    SW_MAKE_STD_ZVAL(zworker_pid);
    ZVAL_LONG(zworker_pid, worker_pid);

    SW_MAKE_STD_ZVAL(zexit_code);
    ZVAL_LONG(zexit_code, exit_code);

    SW_MAKE_STD_ZVAL(zsigno);
    ZVAL_LONG(zsigno, signo);

    sw_zval_add_ref(&zobject);

    SWOOLE_GET_TSRMLS;

    args[0] = &zobject;
    args[1] = &zworker_id;
    args[2] = &zworker_pid;
    args[3] = &zexit_code;
    args[4] = &zsigno;

    if (sw_call_user_function_ex(EG(function_table), NULL, php_sw_server_callbacks[SW_SERVER_CB_onWorkerError], &retval, 5, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onWorkerError handler error.");
    }

    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }

    sw_zval_ptr_dtor(&zworker_id);
    sw_zval_ptr_dtor(&zworker_pid);
    sw_zval_ptr_dtor(&zexit_code);
    sw_zval_ptr_dtor(&zsigno);

    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

void php_swoole_onConnect(swServer *serv, swDataHead *info)
{
    zval *zserv = (zval *) serv->ptr2;
    zval *zfd;
    zval *zfrom_id;
    zval **args[3];
    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    zval *callback = php_swoole_server_get_callback(serv, info->from_fd, SW_SERVER_CB_onConnect);
    if (callback == NULL || ZVAL_IS_NULL(callback))
    {
        return;
    }

    SW_MAKE_STD_ZVAL(zfd);
    ZVAL_LONG(zfd, info->fd);

    SW_MAKE_STD_ZVAL(zfrom_id);
    ZVAL_LONG(zfrom_id, info->from_id);

    args[0] = &zserv;
    args[1] = &zfd;
    args[2] = &zfrom_id;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 3, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_error(E_WARNING, "onConnect handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }

    sw_zval_ptr_dtor(&zfd);
    sw_zval_ptr_dtor(&zfrom_id);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

void php_swoole_onClose(swServer *serv, swDataHead *info)
{
    zval *zserv = (zval *) serv->ptr2;
    zval *zfd;
    zval *zfrom_id;
    zval **args[3];
    zval *retval = NULL;

    SWOOLE_GET_TSRMLS;

    zval *callback = php_swoole_server_get_callback(serv, info->from_fd, SW_SERVER_CB_onClose);
    if (callback == NULL || ZVAL_IS_NULL(callback))
    {
        return;
    }

    SW_MAKE_STD_ZVAL(zfd);
    ZVAL_LONG(zfd, info->fd);

    SW_MAKE_STD_ZVAL(zfrom_id);
    ZVAL_LONG(zfrom_id, info->from_id);

    args[0] = &zserv;
    args[1] = &zfd;
    args[2] = &zfrom_id;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 3, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_fatal_error(E_WARNING, "onClose handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zfd);
    sw_zval_ptr_dtor(&zfrom_id);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

void php_swoole_onBufferFull(swServer *serv, swDataHead *info)
{
    zval *zserv = (zval *) serv->ptr2;
    zval *zfd;
    zval **args[2];
    zval *retval = NULL;

    zval *callback = php_swoole_server_get_callback(serv, info->from_fd, SW_SERVER_CB_onBufferFull);
    if (!callback)
    {
        return;
    }

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(zfd);
    ZVAL_LONG(zfd, info->fd);

    args[0] = &zserv;
    args[1] = &zfd;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 2, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_error(E_WARNING, "onBufferFull handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zfd);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

void php_swoole_onBufferEmpty(swServer *serv, swDataHead *info)
{
    zval *zserv = (zval *) serv->ptr2;
    zval *zfd;
    zval **args[2];
    zval *retval = NULL;

    zval *callback = php_swoole_server_get_callback(serv, info->from_fd, SW_SERVER_CB_onBufferEmpty);
    if (!callback)
    {
        return;
    }

    SWOOLE_GET_TSRMLS;

    SW_MAKE_STD_ZVAL(zfd);
    ZVAL_LONG(zfd, info->fd);

    args[0] = &zserv;
    args[1] = &zfd;

    if (sw_call_user_function_ex(EG(function_table), NULL, callback, &retval, 2, args, 0, NULL TSRMLS_CC) == FAILURE)
    {
        swoole_php_error(E_WARNING, "onBufferEmpty handler error.");
    }
    if (EG(exception))
    {
        zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
    }
    sw_zval_ptr_dtor(&zfd);
    if (retval != NULL)
    {
        sw_zval_ptr_dtor(&retval);
    }
}

PHP_METHOD(swoole_server, __construct)
{
    zend_size_t host_len = 0;
    char *serv_host;
    long sock_type = SW_SOCK_TCP;
    long serv_port = 0;
    long serv_mode = SW_MODE_PROCESS;

    //only cli env
    if (strcasecmp("cli", sapi_module.name) != 0)
    {
        swoole_php_fatal_error(E_ERROR, "swoole_server must run at php_cli environment.");
        RETURN_FALSE;
    }

    if (SwooleG.main_reactor != NULL)
    {
        swoole_php_fatal_error(E_ERROR, "eventLoop has been created. Unable to create swoole_server.");
        RETURN_FALSE;
    }

    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "server is already running. Unable to create swoole_server.");
        RETURN_FALSE;
    }

    swServer *serv = sw_malloc(sizeof (swServer));
    swServer_init(serv);

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lll", &serv_host, &host_len, &serv_port, &serv_mode, &sock_type) == FAILURE)
    {
        swoole_php_fatal_error(E_ERROR, "invalid parameters.");
        return;
    }

#ifdef __CYGWIN__
    serv_mode = SW_MODE_SINGLE;
#elif !defined(SW_USE_THREAD)
    if (serv_mode == SW_MODE_THREAD || serv_mode == SW_MODE_BASE)
    {
        serv_mode = SW_MODE_SINGLE;
        swoole_php_fatal_error(E_WARNING, "PHP can not running at multi-threading. Reset mode to SWOOLE_MODE_BASE");
    }
#endif
    serv->factory_mode = serv_mode;

    if (serv->factory_mode == SW_MODE_SINGLE)
    {
        serv->worker_num = 1;
        serv->max_request = 0;
    }

    bzero(php_sw_server_callbacks, sizeof (zval*) * PHP_SERVER_CALLBACK_NUM);

    if (serv_port == 0 && strcasecmp(serv_host, "SYSTEMD") == 0)
    {
        if (swserver_add_systemd_socket(serv) <= 0)
        {
            swoole_php_fatal_error(E_ERROR, "add systemd socket failed.");
            return;
        }
    }
    else
    {
        swListenPort *port = swServer_add_port(serv, sock_type, serv_host, serv_port);
        if (!port)
        {
            swoole_php_fatal_error(E_ERROR, "listen server port failed.");
            return;
        }
    }

    zval *server_object = getThis();

#ifdef HAVE_PCRE
    zval *connection_iterator_object;
    SW_MAKE_STD_ZVAL(connection_iterator_object);
    object_init_ex(connection_iterator_object, swoole_connection_iterator_class_entry_ptr);
    zend_update_property(swoole_server_class_entry_ptr, server_object, ZEND_STRL("connections"), connection_iterator_object TSRMLS_CC);
#endif

    zend_update_property_stringl(swoole_server_class_entry_ptr, server_object, ZEND_STRL("host"), serv_host, host_len TSRMLS_CC);
    zend_update_property_long(swoole_server_class_entry_ptr, server_object, ZEND_STRL("port"), (long) serv->listen_list->port TSRMLS_CC);
    zend_update_property_long(swoole_server_class_entry_ptr, server_object, ZEND_STRL("mode"), serv->factory_mode TSRMLS_CC);
    zend_update_property_long(swoole_server_class_entry_ptr, server_object, ZEND_STRL("type"), sock_type TSRMLS_CC);
    swoole_set_object(server_object, serv);

    zval *ports;
    SW_ALLOC_INIT_ZVAL(ports);
    array_init(ports);
    zend_update_property(swoole_server_class_entry_ptr, server_object, ZEND_STRL("ports"), ports TSRMLS_CC);
    server_port_list.zports = ports;

    swListenPort *ls;
    LL_FOREACH(serv->listen_list, ls)
    {
        php_swoole_server_add_port(ls TSRMLS_CC);
    }
}

PHP_METHOD(swoole_server, set)
{
    zval *zset = NULL;
    zval *zobject = getThis();
    HashTable *vht;

    zval *v;

    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is running. Unable to execute swoole_server_set now.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zset) == FAILURE)
    {
        return;
    }

    php_swoole_array_separate(zset);

    swServer *serv = swoole_get_object(zobject);

    vht = Z_ARRVAL_P(zset);
    //chroot
    if (php_swoole_array_get_value(vht, "chroot", v))
    {
        convert_to_string(v);
        SwooleG.chroot = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }
    //user
    if (php_swoole_array_get_value(vht, "user", v))
    {
        convert_to_string(v);
        SwooleG.user = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }
    //group
    if (php_swoole_array_get_value(vht, "group", v))
    {
        convert_to_string(v);
        SwooleG.group = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }
    //daemonize
    if (php_swoole_array_get_value(vht, "daemonize", v))
    {
        convert_to_boolean(v);
        serv->daemonize = Z_BVAL_P(v);
    }
    //pid file
    if (php_swoole_array_get_value(vht, "pid_file", v))
    {
        convert_to_string(v);
        serv->pid_file = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }
    //reactor thread num
    if (php_swoole_array_get_value(vht, "reactor_num", v))
    {
        convert_to_long(v);
        serv->reactor_num = (int) Z_LVAL_P(v);
        if (serv->reactor_num <= 0)
        {
            serv->reactor_num = SwooleG.cpu_num;
        }
    }
    //worker_num
    if (php_swoole_array_get_value(vht, "worker_num", v))
    {
        convert_to_long(v);
        serv->worker_num = (int) Z_LVAL_P(v);
        if (serv->worker_num <= 0)
        {
            serv->worker_num = SwooleG.cpu_num;
        }
    }
    //dispatch_mode
    if (php_swoole_array_get_value(vht, "dispatch_mode", v))
    {
        convert_to_long(v);
        serv->dispatch_mode = (int) Z_LVAL_P(v);
    }
    //c/c++ function
    if (php_swoole_array_get_value(vht, "dispatch_func", v))
    {
        convert_to_string(v);
        swServer_dispatch_function func = swModule_get_global_function(Z_STRVAL_P(v), Z_STRLEN_P(v));
        if (func == NULL)
        {
            swoole_php_fatal_error(E_ERROR, "extension module function '%s' is undefined.", Z_STRVAL_P(v));
            return;
        }
        serv->dispatch_mode = SW_DISPATCH_USERFUNC;
        serv->dispatch_func = func;
    }
    //log_file
    if (php_swoole_array_get_value(vht, "log_file", v))
    {
        convert_to_string(v);
        SwooleG.log_file = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }
    //log_level
    if (php_swoole_array_get_value(vht, "log_level", v))
    {
        convert_to_long(v);
        SwooleG.log_level = (int) Z_LVAL_P(v);
    }
    /**
     * for dispatch_mode = 1/3
     */
    if (php_swoole_array_get_value(vht, "discard_timeout_request", v))
    {
        convert_to_boolean(v);
        serv->discard_timeout_request = Z_BVAL_P(v);
    }
    //onConnect/onClose event
    if (php_swoole_array_get_value(vht, "enable_unsafe_event", v))
    {
        convert_to_boolean(v);
        serv->enable_unsafe_event = Z_BVAL_P(v);
    }
    //delay receive
    if (php_swoole_array_get_value(vht, "enable_delay_receive", v))
    {
        convert_to_boolean(v);
        serv->enable_delay_receive = Z_BVAL_P(v);
    }
    //task_worker_num
    if (php_swoole_array_get_value(vht, "task_worker_num", v))
    {
        convert_to_long(v);
        SwooleG.task_worker_num = (int) Z_LVAL_P(v);
        task_callbacks = swHashMap_new(1024, NULL);
    }
    //task ipc mode, 1,2,3
    if (php_swoole_array_get_value(vht, "task_ipc_mode", v))
    {
        convert_to_long(v);
        SwooleG.task_ipc_mode = (int) Z_LVAL_P(v);
    }
    /**
     * Temporary file directory for task_worker
     */
    if (php_swoole_array_get_value(vht, "task_tmpdir", v))
    {
        convert_to_string(v);
        if (Z_STRLEN_P(v) > SW_TASK_TMPDIR_SIZE - 30)
        {
            swoole_php_fatal_error(E_ERROR, "task_tmpdir is too long, max size is %d.", SW_TASK_TMPDIR_SIZE - 1);
            return;
        }
        SwooleG.task_tmpdir = emalloc(SW_TASK_TMPDIR_SIZE);
        SwooleG.task_tmpdir_len = snprintf(SwooleG.task_tmpdir, SW_TASK_TMPDIR_SIZE, "%s/swoole.task.XXXXXX", Z_STRVAL_P(v)) + 1;
    }
    //task_max_request
    if (php_swoole_array_get_value(vht, "task_max_request", v))
    {
        convert_to_long(v);
        SwooleG.task_max_request = (int) Z_LVAL_P(v);
    }
    //max_connection
    if (php_swoole_array_get_value(vht, "max_connection", v) || php_swoole_array_get_value(vht, "max_conn", v))
    {
        convert_to_long(v);
        serv->max_connection = (int) Z_LVAL_P(v);
    }
    //heartbeat_check_interval
    if (php_swoole_array_get_value(vht, "heartbeat_check_interval", v))
    {
        convert_to_long(v);
        serv->heartbeat_check_interval = (int) Z_LVAL_P(v);
    }
    //heartbeat idle time
    if (php_swoole_array_get_value(vht, "heartbeat_idle_time", v))
    {
        convert_to_long(v);
        serv->heartbeat_idle_time = (int) Z_LVAL_P(v);

        if (serv->heartbeat_check_interval > serv->heartbeat_idle_time)
        {
            swoole_php_fatal_error(E_WARNING, "heartbeat_idle_time must be greater than heartbeat_check_interval.");
            serv->heartbeat_check_interval = serv->heartbeat_idle_time / 2;
        }
    }
    else if (serv->heartbeat_check_interval > 0)
    {
        serv->heartbeat_idle_time = serv->heartbeat_check_interval * 2;
    }
    //max_request
    if (php_swoole_array_get_value(vht, "max_request", v))
    {
        convert_to_long(v);
        serv->max_request = (int) Z_LVAL_P(v);
    }
    //cpu affinity
    if (php_swoole_array_get_value(vht, "open_cpu_affinity", v))
    {
        convert_to_boolean(v);
        serv->open_cpu_affinity = Z_BVAL_P(v);
    }
    //cpu affinity set
    if (php_swoole_array_get_value(vht, "cpu_affinity_ignore", v))
    {
        int ignore_num = zend_hash_num_elements(Z_ARRVAL_P(v));
        if (ignore_num >= SW_CPU_NUM)
        {
            swoole_php_fatal_error(E_ERROR, "cpu_affinity_ignore num must be less than cpu num (%d)", SW_CPU_NUM);
            RETURN_FALSE;
        }
        int available_num = SW_CPU_NUM - ignore_num;
        int *available_cpu = (int *) sw_malloc(sizeof(int) * available_num);
        int flag, i, available_i = 0;

        zval *zval_core = NULL;
        for (i = 0; i < SW_CPU_NUM; i++)
        {
            flag = 1;
            SW_HASHTABLE_FOREACH_START(Z_ARRVAL_P(v), zval_core)
                int core = (int) Z_LVAL_P(zval_core);
                if (i == core)
                {
                    flag = 0;
                    break;
                }
            SW_HASHTABLE_FOREACH_END();
            if (flag)
            {
                available_cpu[available_i] = i;
                available_i++;
            }
        }
        serv->cpu_affinity_available_num = available_num;
        serv->cpu_affinity_available = available_cpu;
    }
    //paser x-www-form-urlencoded form data
    if (php_swoole_array_get_value(vht, "http_parse_post", v))
    {
        convert_to_boolean(v);
        serv->http_parse_post = Z_BVAL_P(v);
    }
    //temporary directory for HTTP uploaded file.
    if (php_swoole_array_get_value(vht, "upload_tmp_dir", v))
    {
        convert_to_string(v);
        if (Z_STRLEN_P(v) >= SW_HTTP_UPLOAD_TMPDIR_SIZE - 22)
        {
            swoole_php_fatal_error(E_ERROR, "option upload_tmp_dir [%s] is too long.", Z_STRVAL_P(v));
            RETURN_FALSE;
        }
        serv->upload_tmp_dir = strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
    }

    /**
     * buffer input size
     */
    if (php_swoole_array_get_value(vht, "buffer_input_size", v))
    {
        convert_to_long(v);
        serv->buffer_input_size = (int) Z_LVAL_P(v);
    }
    /**
     * buffer output size
     */
    if (php_swoole_array_get_value(vht, "buffer_output_size", v))
    {
        convert_to_long(v);
        serv->buffer_output_size = (int) Z_LVAL_P(v);
    }
    /**
     * set pipe memory buffer size
     */
    if (php_swoole_array_get_value(vht, "pipe_buffer_size", v))
    {
        convert_to_long(v);
        serv->pipe_buffer_size = (int) Z_LVAL_P(v);
    }
    //message queue key
    if (php_swoole_array_get_value(vht, "message_queue_key", v))
    {
        convert_to_long(v);
        serv->message_queue_key = (int) Z_LVAL_P(v);
    }

    zval *retval = NULL;
    zval *port_object = server_port_list.zobjects[0];

    sw_zval_add_ref(&port_object);
    sw_zval_add_ref(&zset);
    sw_zval_add_ref(&zobject);

    sw_zend_call_method_with_1_params(&port_object, swoole_server_port_class_entry_ptr, NULL, "set", &retval, zset);
    zend_update_property(swoole_server_class_entry_ptr, zobject, ZEND_STRL("setting"), zset TSRMLS_CC);

    RETURN_TRUE;
}

PHP_METHOD(swoole_server, on)
{
    zval *name;
    zval *cb;

    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is running. Unable to set event callback now.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS()TSRMLS_CC, "zz", &name, &cb) == FAILURE)
    {
        return;
    }

#ifdef PHP_SWOOLE_CHECK_CALLBACK
    char *func_name = NULL;
    if (!sw_zend_is_callable(cb, 0, &func_name TSRMLS_CC))
    {
        swoole_php_fatal_error(E_ERROR, "Function '%s' is not callable", func_name);
        efree(func_name);
        return;
    }
    efree(func_name);
#endif

    convert_to_string(name);

    char *callback_name[PHP_SERVER_CALLBACK_NUM] = {
        "Connect",
        "Receive",
        "Close",
        "Packet",
        "Start",
        "Shutdown",
        "WorkerStart",
        "WorkerStop",
        "Task",
        "Finish",
        "WorkerError",
        "ManagerStart",
        "ManagerStop",
        "PipeMessage",
        NULL,
        NULL,
        NULL,
        NULL,
        "BufferFull",
        "BufferEmpty",
    };

    int i;
    char property_name[128];
    int l_property_name = 0;
    memcpy(property_name, "on", 2);

    for (i = 0; i < PHP_SERVER_CALLBACK_NUM; i++)
    {
        if (callback_name[i] == NULL)
        {
            continue;
        }
        if (strncasecmp(callback_name[i], Z_STRVAL_P(name), Z_STRLEN_P(name)) == 0)
        {
            memcpy(property_name + 2, callback_name[i], Z_STRLEN_P(name));
            l_property_name = Z_STRLEN_P(name) + 2;
            property_name[l_property_name] = '\0';
            zend_update_property(swoole_server_class_entry_ptr, getThis(), property_name, l_property_name, cb TSRMLS_CC);
            php_sw_server_callbacks[i] = sw_zend_read_property(swoole_server_class_entry_ptr, getThis(), property_name, l_property_name, 0 TSRMLS_CC);
            sw_copy_to_stack(php_sw_server_callbacks[i], _php_sw_server_callbacks[i]);
            break;
        }
    }

    if (l_property_name == 0)
    {
        swoole_php_error(E_WARNING, "Unknown event types[%s]", Z_STRVAL_P(name));
        RETURN_FALSE;
    }

    if (i < SW_SERVER_CB_onStart)
    {
        zval *port_object = server_port_list.zobjects[0];
        zval *retval = NULL;
        sw_zval_add_ref(&port_object);
        sw_zend_call_method_with_2_params(&port_object, swoole_server_port_class_entry_ptr, NULL, "on", &retval, name, cb);
    }
    else
    {
        RETURN_TRUE;
    }
}

PHP_METHOD(swoole_server, listen)
{
    char *host;
    zend_size_t host_len;
    long sock_type;
    long port;

    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is running. cannot add listener.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sll", &host, &host_len, &port, &sock_type) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(getThis());
    swListenPort *ls = swServer_add_port(serv, (int) sock_type, host, (int) port);
    if (!ls)
    {
        RETURN_FALSE;
    }

    zval *port_object = php_swoole_server_add_port(ls TSRMLS_CC);
    RETURN_ZVAL(port_object, 1, NULL);
}

PHP_METHOD(swoole_server, addProcess)
{
    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is running. cannot add process.");
        RETURN_FALSE;
    }

    zval *process = NULL;
    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &process) == FAILURE)
    {
        return;
    }

    if (ZVAL_IS_NULL(process))
    {
        swoole_php_fatal_error(E_WARNING, "parameter 1 cannot be empty.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(getThis());
    if (!instanceof_function(Z_OBJCE_P(process), swoole_process_class_entry_ptr TSRMLS_CC))
    {
        swoole_php_fatal_error(E_ERROR, "object is not instanceof swoole_process.");
        RETURN_FALSE;
    }

    if (serv->onUserWorkerStart == NULL)
    {
        serv->onUserWorkerStart = php_swoole_onUserWorkerStart;
    }

#if PHP_MAJOR_VERSION >= 7
    zval *tmp_process = emalloc(sizeof(zval));
    memcpy(tmp_process, process, sizeof(zval));
    process = tmp_process;
#endif

    sw_zval_add_ref(&process);

    swWorker *worker = swoole_get_object(process);
    worker->ptr = process;

    int id = swServer_add_worker(serv, worker);
    if (id < 0)
    {
        swoole_php_fatal_error(E_WARNING, "swServer_add_worker failed.");
        RETURN_FALSE;
    }
    zend_update_property_long(swoole_process_class_entry_ptr, getThis(), ZEND_STRL("id"), id TSRMLS_CC);
    RETURN_LONG(id);
}

PHP_METHOD(swoole_server, start)
{
    zval *zobject = getThis();
    int ret;

    if (SwooleGS->start > 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is running. Unable to execute swoole_server::start.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);
    php_swoole_register_callback(serv);

    if (php_sw_server_callbacks[SW_SERVER_CB_onReceive] == NULL && php_sw_server_callbacks[SW_SERVER_CB_onPacket] == NULL)
    {
        swoole_php_fatal_error(E_ERROR, "require onReceive/onPacket callback");
        RETURN_FALSE;
    }
    //-------------------------------------------------------------
    serv->onReceive = php_swoole_onReceive;
    serv->ptr2 = zobject;

    sw_zval_add_ref(&zobject);
    php_swoole_server_before_start(serv, zobject TSRMLS_CC);

    ret = swServer_start(serv);
    if (ret < 0)
    {
        swoole_php_fatal_error(E_ERROR, "start server failed. Error: %s", sw_error);
        RETURN_LONG(ret);
    }
    RETURN_TRUE;
}

PHP_METHOD(swoole_server, send)
{
    zval *zobject = getThis();

    int ret;

    zval *zfd;
    zval *zdata;
    long server_socket = -1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz|l", &zfd, &zdata, &server_socket) == FAILURE)
    {
        return;
    }

    char *data;
    int length = php_swoole_get_send_data(zdata, &data TSRMLS_CC);

    if (length < 0)
    {
        RETURN_FALSE;
    }
    else if (length == 0)
    {
        swoole_php_fatal_error(E_WARNING, "data is empty.");
        RETURN_FALSE;
    }

   swServer *serv = swoole_get_object(zobject);

    if (serv->have_udp_sock && SW_Z_TYPE_P(zfd) == IS_STRING)
    {
        if (server_socket == -1)
        {
            server_socket = dgram_server_socket;
        }
        //UDP IPv6
        if (strchr(Z_STRVAL_P(zfd), ':'))
        {
            php_swoole_udp_t udp_info;
            memcpy(&udp_info, &server_socket, sizeof(udp_info));
            ret = swSocket_udp_sendto6(udp_info.from_fd, Z_STRVAL_P(zfd), udp_info.port, data, length);
        }
        //UNIX DGRAM
        else if (Z_STRVAL_P(zfd)[0] == '/')
        {
            struct sockaddr_un addr_un;
            memcpy(addr_un.sun_path, Z_STRVAL_P(zfd), Z_STRLEN_P(zfd));
            addr_un.sun_family = AF_UNIX;
            addr_un.sun_path[Z_STRLEN_P(zfd)] = 0;
            ret = swSocket_sendto_blocking(server_socket, data, length, 0, (struct sockaddr *) &addr_un, sizeof(addr_un));
        }
        else
        {
            goto convert;
        }
        SW_CHECK_RETURN(ret);
    }

    convert: convert_to_long(zfd);
    uint32_t fd = (uint32_t) Z_LVAL_P(zfd);
    //UDP
    if (swServer_is_udp(fd))
    {
        if (server_socket == -1)
        {
            server_socket = udp_server_socket;
        }

        php_swoole_udp_t udp_info;
        memcpy(&udp_info, &server_socket, sizeof(udp_info));

        struct sockaddr_in addr_in;
        addr_in.sin_family = AF_INET;
        addr_in.sin_port = htons(udp_info.port);
        addr_in.sin_addr.s_addr = fd;
        ret = swSocket_sendto_blocking(udp_info.from_fd, data, length, 0, (struct sockaddr *) &addr_in, sizeof(addr_in));
        SW_CHECK_RETURN(ret);
    }
    //TCP
    else
    {
        SW_CHECK_RETURN(swServer_tcp_send(serv, fd, data, length));
    }
}

PHP_METHOD(swoole_server, sendto)
{
    zval *zobject = getThis();

    char *ip;
    char *data;
    zend_size_t len, ip_len;

    long port;
    long server_socket = -1;
    zend_bool ipv6 = 0;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sls|l", &ip, &ip_len, &port, &data, &len, &server_socket) == FAILURE)
    {
        return;
    }

    if (len <= 0)
    {
        swoole_php_fatal_error(E_WARNING, "data is empty.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);

    if (strchr(ip, ':'))
    {
        ipv6 = 1;
    }

    if (ipv6 == 0 && serv->udp_socket_ipv4 <= 0)
    {
        swoole_php_fatal_error(E_WARNING, "You must add an UDP listener to server before using sendto.");
        RETURN_FALSE;
    }
    else if (ipv6 == 1 && serv->udp_socket_ipv6 <= 0)
    {
        swoole_php_fatal_error(E_WARNING, "You must add an UDP6 listener to server before using sendto.");
        RETURN_FALSE;
    }

    if (server_socket < 0)
    {
        server_socket = ipv6 ?  serv->udp_socket_ipv6 : serv->udp_socket_ipv4;
    }

    int ret;
    if (ipv6)
    {
        ret = swSocket_udp_sendto6(server_socket, ip, port, data, len);
    }
    else
    {
        ret = swSocket_udp_sendto(server_socket, ip, port, data, len);
    }
    SW_CHECK_RETURN(ret);
}

PHP_METHOD(swoole_server, sendfile)
{
    zval *zobject = getThis();
    zend_size_t len;

    char *filename;
    long fd;
    long offset = 0;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls|l", &fd, &filename, &len, &offset) == FAILURE)
    {
        return;
    }

    //check fd
    if (fd <= 0 || fd > SW_MAX_SOCKET_ID)
    {
        swoole_error_log(SW_LOG_WARNING, SW_ERROR_SESSION_INVALID_ID, "invalid fd[%ld].", fd);
        RETURN_FALSE;
    }

    struct stat file_stat;
    if (stat(filename, &file_stat) < 0)
    {
        swoole_php_sys_error(E_WARNING, "stat(%s) failed.", filename);
        RETURN_FALSE;
    }

    if (file_stat.st_size <= offset)
    {
        swoole_php_error(E_WARNING, "file[offset=%ld] is empty.", offset);
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);
    SW_CHECK_RETURN(swServer_tcp_sendfile(serv, (int) fd, filename, len, offset));
}

PHP_METHOD(swoole_server, close)
{
    zval *zobject = getThis();
    zend_bool reset = SW_FALSE;
    long fd;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (swIsMaster())
    {
        swoole_php_fatal_error(E_WARNING, "Cannot close connection in master process.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|b", &fd, &reset) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);
    SW_CHECK_RETURN(serv->close(serv, (int )fd, (int )reset));
}

PHP_METHOD(swoole_server, confirm)
{
    zval *zobject = getThis();
    long fd;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (swIsMaster())
    {
        swoole_php_fatal_error(E_WARNING, "Cannot confirm connection in master process.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &fd) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);
    SW_CHECK_RETURN(swServer_confirm(serv, fd));
}

PHP_METHOD(swoole_server, pause)
{
    zval *zobject = getThis();
    long fd;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);
    if (serv->factory_mode != SW_MODE_SINGLE || swIsTaskWorker())
    {
        swoole_php_fatal_error(E_WARNING, "cannot pause method.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|b", &fd) == FAILURE)
    {
        return;
    }

    swConnection *conn = swServer_connection_verify(serv, fd);
    if (!conn || conn->removed)
    {
        RETURN_FALSE;
    }

    int ret;
    if (conn->events & SW_EVENT_WRITE)
    {
        ret = SwooleG.main_reactor->set(SwooleG.main_reactor, conn->fd, conn->fdtype | SW_EVENT_WRITE);
    }
    else
    {
        ret = SwooleG.main_reactor->del(SwooleG.main_reactor, conn->fd);
    }
    SW_CHECK_RETURN(ret);
}

PHP_METHOD(swoole_server, resume)
{
    zval *zobject = getThis();
    long fd;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);
    if (serv->factory_mode != SW_MODE_SINGLE || swIsTaskWorker())
    {
        swoole_php_fatal_error(E_WARNING, "cannot resume method.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &fd) == FAILURE)
    {
        return;
    }

    swConnection *conn = swServer_connection_verify(serv, fd);
    if (!conn || !conn->removed)
    {
        RETURN_FALSE;
    }

    int ret;
    if (conn->events & SW_EVENT_WRITE)
    {
        ret = SwooleG.main_reactor->set(SwooleG.main_reactor, conn->fd, conn->fdtype | SW_EVENT_READ | SW_EVENT_WRITE);
    }
    else
    {
        ret = SwooleG.main_reactor->add(SwooleG.main_reactor, conn->fd, conn->fdtype | SW_EVENT_READ);
    }
    SW_CHECK_RETURN(ret);
}

PHP_METHOD(swoole_server, stats)
{
    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    array_init(return_value);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("start_time"), SwooleStats->start_time);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("connection_num"), SwooleStats->connection_num);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("accept_count"), SwooleStats->accept_count);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("close_count"), SwooleStats->close_count);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("tasking_num"), SwooleStats->tasking_num);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("request_count"), SwooleStats->request_count);
    sw_add_assoc_long_ex(return_value, ZEND_STRS("worker_request_count"), SwooleWG.request_count);

    if (SwooleG.task_ipc_mode > SW_TASK_IPC_UNIXSOCK && SwooleGS->task_workers.queue)
    {
        int queue_num = -1;
        int queue_bytes = -1;
        if (swMsgQueue_stat(SwooleGS->task_workers.queue, &queue_num, &queue_bytes) == 0)
        {
            sw_add_assoc_long_ex(return_value, ZEND_STRS("task_queue_num"), queue_num);
            sw_add_assoc_long_ex(return_value, ZEND_STRS("task_queue_bytes"), queue_bytes);
        }
    }
}

PHP_METHOD(swoole_server, reload)
{
    zend_bool only_reload_taskworker = 0;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &only_reload_taskworker) == FAILURE)
    {
        return;
    }

    int sig = only_reload_taskworker ? SIGUSR2 : SIGUSR1;
    if (kill(SwooleGS->manager_pid, sig) < 0)
    {
        swoole_php_fatal_error(E_WARNING, "kill() failed. Error: %s[%d]", strerror(errno), errno);
        RETURN_FALSE;
    }
    RETURN_TRUE;
}

PHP_METHOD(swoole_server, heartbeat)
{
    zval *zobject = getThis();

    zend_bool close_connection = 0;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &close_connection) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);

    if (serv->heartbeat_idle_time < 1)
    {
        RETURN_FALSE;
    }

    int serv_max_fd = swServer_get_maxfd(serv);
    int serv_min_fd = swServer_get_minfd(serv);

    array_init(return_value);

    int fd;
    int checktime = (int) SwooleGS->now - serv->heartbeat_idle_time;
    swConnection *conn;

    for (fd = serv_min_fd; fd <= serv_max_fd; fd++)
    {
        swTrace("heartbeat check fd=%d", fd);
        conn = &serv->connection_list[fd];

        if (1 == conn->active && conn->last_time < checktime)
        {
            conn->close_force = 1;
            /**
             * Close the connection
             */
            if (close_connection)
            {
                serv->factory.end(&serv->factory, fd);
            }
#ifdef SW_REACTOR_USE_SESSION
            add_next_index_long(return_value, conn->session_id);
#else
            add_next_index_long(return_value, fd);
#endif
        }
    }
}

PHP_METHOD(swoole_server, taskwait)
{
    swEventData buf;
    zval *data;

    double timeout = SW_TASKWAIT_TIMEOUT;
    long dst_worker_id = -1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|dl", &data, &timeout, &dst_worker_id) == FAILURE)
    {
        return;
    }

    if (php_swoole_check_task_param(dst_worker_id TSRMLS_CC) < 0)
    {
        RETURN_FALSE;
    }

    php_swoole_task_pack(&buf, data TSRMLS_CC);

    uint64_t notify;
    swEventData *task_result = &(SwooleG.task_result[SwooleWG.id]);
    bzero(task_result, sizeof(swEventData));
    swPipe *task_notify_pipe = &SwooleG.task_notify[SwooleWG.id];
    int efd = task_notify_pipe->getFd(task_notify_pipe, 0);

    //clear history task
    while (read(efd, &notify, sizeof(notify)) > 0);

    sw_atomic_fetch_add(&SwooleStats->tasking_num, 1);
    if (swProcessPool_dispatch_blocking(&SwooleGS->task_workers, &buf, (int*) &dst_worker_id) >= 0)
    {
        task_notify_pipe->timeout = timeout;
        int ret = task_notify_pipe->read(task_notify_pipe, &notify, sizeof(notify));
        if (ret > 0)
        {
            zval *task_notify_data = php_swoole_task_unpack(task_result TSRMLS_CC);
            RETURN_ZVAL(task_notify_data, 0, 0);
        }
        else
        {
            swoole_php_fatal_error(E_WARNING, "taskwait failed. Error: %s[%d]", strerror(errno), errno);
        }
    }
    else
    {
        sw_atomic_fetch_sub(&SwooleStats->tasking_num, 1);
    }
    RETURN_FALSE;
}

PHP_METHOD(swoole_server, taskWaitMulti)
{
    swEventData buf;
    zval *tasks;
    zval *task;
    double timeout = SW_TASKWAIT_TIMEOUT;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|d", &tasks, &timeout) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(getThis());
    array_init(return_value);

    int dst_worker_id;
    int task_id;
    int i = 0;
    int n_task = Z_ARRVAL_P(tasks)->nNumOfElements;

    int list_of_id[1024];

    uint64_t notify;
    swEventData *task_result = &(SwooleG.task_result[SwooleWG.id]);
    bzero(task_result, sizeof(swEventData));
    swPipe *task_notify_pipe = &SwooleG.task_notify[SwooleWG.id];
    swWorker *worker = swServer_get_worker(serv, SwooleWG.id);

    char _tmpfile[sizeof(SW_TASK_TMP_FILE)] = SW_TASK_TMP_FILE;
    int _tmpfile_fd = swoole_tmpfile(_tmpfile);
    if (_tmpfile_fd < 0)
    {
        RETURN_FALSE;
    }
    close(_tmpfile_fd);
    int *finish_count = (int *) task_result->data;

    worker->lock.lock(&worker->lock);
    *finish_count = 0;
    memcpy(task_result->data + 4, _tmpfile, sizeof(_tmpfile));
    worker->lock.unlock(&worker->lock);

    //clear history task
    int efd = task_notify_pipe->getFd(task_notify_pipe, 0);
    while (read(efd, &notify, sizeof(notify)) > 0);

    SW_HASHTABLE_FOREACH_START(Z_ARRVAL_P(tasks), task)
        task_id = php_swoole_task_pack(&buf, task TSRMLS_CC);
        if (task_id < 0)
        {
            swoole_php_fatal_error(E_WARNING, "task pack failed.");
            goto fail;
        }
        swTask_type(&buf) |= SW_TASK_WAITALL;
        dst_worker_id = -1;
        sw_atomic_fetch_add(&SwooleStats->tasking_num, 1);
        if (swProcessPool_dispatch_blocking(&SwooleGS->task_workers, &buf, (int*) &dst_worker_id) >= 0)
        {
            list_of_id[i] = task_id;
        }
        else
        {
            sw_atomic_fetch_sub(&SwooleStats->tasking_num, 1);
            swoole_php_fatal_error(E_WARNING, "taskwait failed. Error: %s[%d]", strerror(errno), errno);
            fail:
            add_index_bool(return_value, i, 0);
            n_task --;
        }
        i++;
    SW_HASHTABLE_FOREACH_END();

    double _now = swoole_microtime();
    while (n_task > 0)
    {
        task_notify_pipe->timeout = timeout;
        int ret = task_notify_pipe->read(task_notify_pipe, &notify, sizeof(notify));
        if (ret > 0 && *finish_count < n_task)
        {
            if (swoole_microtime() - _now < timeout)
            {
                continue;
            }
        }
        break;
    }

    worker->lock.lock(&worker->lock);
    swString *content = swoole_file_get_contents(_tmpfile);
    worker->lock.unlock(&worker->lock);

    if (content == NULL)
    {
        RETURN_FALSE;
    }

    swEventData *result;
    zval *zdata;
    int j;

    do
    {
        result = (swEventData *) (content->str + content->offset);
        task_id = result->info.fd;
        zdata = php_swoole_task_unpack(result TSRMLS_CC);
        for (j = 0; j < n_task; j++)
        {
            if (list_of_id[j] == task_id)
            {
                break;
            }
        }
        add_index_zval(return_value, j, zdata);
        content->offset += sizeof(swDataHead) + result->info.len;
    }
    while(content->offset < content->length);
    //free memory
    swString_free(content);
    //delete tmp file
    unlink(_tmpfile);
}

PHP_METHOD(swoole_server, task)
{
    swEventData buf;
    zval *data;
    zval *callback = NULL;

    long dst_worker_id = -1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|lz", &data, &dst_worker_id, &callback) == FAILURE)
    {
        return;
    }

    if (php_swoole_check_task_param(dst_worker_id TSRMLS_CC) < 0)
    {
        RETURN_FALSE;
    }

    if (php_swoole_task_pack(&buf, data TSRMLS_CC) < 0)
    {
        RETURN_FALSE;
    }

    if (callback && !ZVAL_IS_NULL(callback))
    {
#ifdef PHP_SWOOLE_CHECK_CALLBACK
        char *func_name = NULL;
        if (!sw_zend_is_callable(callback, 0, &func_name TSRMLS_CC))
        {
            swoole_php_fatal_error(E_WARNING, "Function '%s' is not callable", func_name);
            efree(func_name);
            return;
        }
        efree(func_name);
#endif
        swTask_type(&buf) |= SW_TASK_CALLBACK;
        sw_zval_add_ref(&callback);
        swHashMap_add_int(task_callbacks, buf.info.fd, sw_zval_dup(callback));
    }

    swTask_type(&buf) |= SW_TASK_NONBLOCK;
    sw_atomic_fetch_add(&SwooleStats->tasking_num, 1);
    if (swProcessPool_dispatch(&SwooleGS->task_workers, &buf, (int*) &dst_worker_id) >= 0)
    {
        RETURN_LONG(buf.info.fd);
    }
    else
    {
        sw_atomic_fetch_sub(&SwooleStats->tasking_num, 1);
        RETURN_FALSE;
    }

}

PHP_METHOD(swoole_server, sendMessage)
{
    zval *zobject = getThis();
    swEventData buf;

    zval *message;
    long worker_id = -1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zl", &message, &worker_id) == FAILURE)
    {
        return;
    }

    if (worker_id == SwooleWG.id)
    {
        swoole_php_fatal_error(E_WARNING, "cannot send message to self.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);
    if (worker_id >= serv->worker_num + SwooleG.task_worker_num)
    {
        swoole_php_fatal_error(E_WARNING, "worker_id[%d] is invalid.", (int) worker_id);
        RETURN_FALSE;
    }

    if (!serv->onPipeMessage)
    {
        swoole_php_fatal_error(E_WARNING, "onPipeMessage is null, cannot use sendMessage.");
        RETURN_FALSE;
    }

    if (php_swoole_task_pack(&buf, message TSRMLS_CC) < 0)
    {
        RETURN_FALSE;
    }

    buf.info.type = SW_EVENT_PIPE_MESSAGE;
    buf.info.from_id = SwooleWG.id;

    swWorker *to_worker = swServer_get_worker(serv, worker_id);
    SW_CHECK_RETURN(swWorker_send2worker(to_worker, &buf, sizeof(buf.info) + buf.info.len, SW_PIPE_MASTER | SW_PIPE_NONBLOCK));
}

PHP_METHOD(swoole_server, finish)
{
    zval *zobject = getThis();
    zval *data;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &data) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);
    SW_CHECK_RETURN(php_swoole_task_finish(serv, data TSRMLS_CC));
}

PHP_METHOD(swoole_server, bind)
{
    zval *zobject = getThis();

    long fd = 0;
    long uid = 0;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &fd, &uid) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);

    swConnection *conn = swWorker_get_connection(serv, fd);

    //udp client
    if (conn == NULL)
    {
        swTrace("%ld conn error", fd);
        RETURN_FALSE;
    }

    //connection is closed
    if (conn->active == 0)
    {
        swTrace("fd:%ld a:%d, uid: %d", fd, conn->active, conn->uid);
        RETURN_FALSE;
    }

    if (conn->uid != 0)
    {
        RETURN_FALSE;
    }

    int ret = 0;
    SwooleGS->lock.lock(&SwooleGS->lock);
    if (conn->uid == 0)
    {
        conn->uid = (uint32_t) uid;
        ret = 1;
    }
    SwooleGS->lock.unlock(&SwooleGS->lock);
    SW_CHECK_RETURN(ret);
}

#ifdef SWOOLE_SOCKETS_SUPPORT
PHP_METHOD(swoole_server, getSocket)
{
    long port = 0;
    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &port) == FAILURE)
    {
        return;
    }

    zval *zobject = getThis();
    swServer *serv = swoole_get_object(zobject);

    int sock = swServer_get_socket(serv, port);
    php_socket *socket_object = swoole_convert_to_socket(sock);

    if (!socket_object)
    {
        RETURN_FALSE;
    }
    SW_ZEND_REGISTER_RESOURCE(return_value, (void *) socket_object, php_sockets_le_socket());
    zval *zsocket = sw_zval_dup(return_value);
    sw_zval_add_ref(&zsocket);
}
#endif

PHP_METHOD(swoole_server, connection_info)
{
    zval *zobject = getThis();

    zend_bool noCheckConnection = 0;
    zval *zfd;
    long from_id = -1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|lb", &zfd, &from_id, &noCheckConnection) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);

    long fd = 0;
    zend_bool ipv6_udp = 0;

    //ipv6 udp
    if (SW_Z_TYPE_P(zfd) == IS_STRING)
    {
        if (is_numeric_string(Z_STRVAL_P(zfd), Z_STRLEN_P(zfd), &fd, NULL, 0))
        {
            ipv6_udp = 0;
        }
        else
        {
            fd = 0;
            ipv6_udp = 1;
        }
    }
    else
    {
        convert_to_long(zfd);
        fd = Z_LVAL_P(zfd);
    }

    //udp
    if (ipv6_udp || swServer_is_udp(fd))
    {
        array_init(return_value);

        swoole_php_error(E_DEPRECATED, "The udp connection_info is deprecated, use onPacket instead.");

        if (ipv6_udp)
        {
            add_assoc_zval(return_value, "remote_ip", zfd);
        }
        else
        {
            struct in_addr sin_addr;
            sin_addr.s_addr = fd;
            sw_add_assoc_string(return_value, "remote_ip", inet_ntoa(sin_addr), 1);
        }

        if (from_id == 0)
        {
            return;
        }

        php_swoole_udp_t udp_info;
        memcpy(&udp_info, &from_id, sizeof(udp_info));
        //server socket
        swConnection *from_sock = swServer_connection_get(serv, udp_info.from_fd);
        if (from_sock)
        {
            add_assoc_long(return_value, "server_fd", from_sock->fd);
            add_assoc_long(return_value, "socket_type", from_sock->socket_type);
            add_assoc_long(return_value, "server_port", swConnection_get_port(from_sock));
        }
        add_assoc_long(return_value, "remote_port", udp_info.port);
        return;
    }

    swConnection *conn = swServer_connection_verify(serv, fd);
    if (!conn)
    {
        RETURN_FALSE;
    }
    //connection is closed
    if (conn->active == 0 && !noCheckConnection)
    {
        RETURN_FALSE;
    }
    else
    {
        array_init(return_value);

        if (serv->dispatch_mode == SW_DISPATCH_UIDMOD)
        {
            add_assoc_long(return_value, "uid", conn->uid);
        }

        swListenPort *port = swServer_get_port(serv, conn->fd);
        if (port && port->open_websocket_protocol)
        {
            add_assoc_long(return_value, "websocket_status", conn->websocket_status);
        }

#ifdef SW_USE_OPENSSL
        if (conn->ssl_client_cert.length > 0)
        {
            sw_add_assoc_stringl(return_value, "ssl_client_cert", conn->ssl_client_cert.str, conn->ssl_client_cert.length - 1, 1);
        }
#endif
        //server socket
        swConnection *from_sock = swServer_connection_get(serv, conn->from_fd);
        if (from_sock)
        {
            add_assoc_long(return_value, "server_port", swConnection_get_port(from_sock));
        }
        add_assoc_long(return_value, "server_fd", conn->from_fd);
        add_assoc_long(return_value, "socket_type", conn->socket_type);
        add_assoc_long(return_value, "remote_port", swConnection_get_port(conn));
        sw_add_assoc_string(return_value, "remote_ip", swConnection_get_ip(conn), 1);
        add_assoc_long(return_value, "reactor_id", conn->from_id);
        add_assoc_long(return_value, "connect_time", conn->connect_time);
        add_assoc_long(return_value, "last_time", conn->last_time);
        add_assoc_long(return_value, "close_errno", conn->close_errno);
    }
}

PHP_METHOD(swoole_server, connection_list)
{
    zval *zobject = getThis();

    long start_fd = 0;
    long find_count = 10;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &start_fd, &find_count) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);

    //超过最大查找数量
    if (find_count > SW_MAX_FIND_COUNT)
    {
        swoole_php_fatal_error(E_WARNING, "swoole_connection_list max_find_count=%d", SW_MAX_FIND_COUNT);
        RETURN_FALSE;
    }

    //复制出来避免被其他进程改写
    int serv_max_fd = swServer_get_maxfd(serv);

    if (start_fd == 0)
    {
        start_fd = swServer_get_minfd(serv);
    }
#ifdef SW_REACTOR_USE_SESSION
    else
    {
        swConnection *conn = swWorker_get_connection(serv, start_fd);
        if (!conn)
        {
            RETURN_FALSE;
        }
        start_fd = conn->fd;
    }
#endif

    //达到最大，表示已经取完了
    if ((int) start_fd >= serv_max_fd)
    {
        RETURN_FALSE;
    }

    array_init(return_value);
    int fd = start_fd + 1;
    swConnection *conn;

    for (; fd <= serv_max_fd; fd++)
    {
        swTrace("maxfd=%d, fd=%d, find_count=%ld, start_fd=%ld", serv_max_fd, fd, find_count, start_fd);
        conn = &serv->connection_list[fd];

        if (conn->active && !conn->closed)
        {
#ifdef SW_USE_OPENSSL
            if (conn->ssl && conn->ssl_state != SW_SSL_STATE_READY)
            {
                continue;
            }
#endif
#ifdef SW_REACTOR_USE_SESSION
            add_next_index_long(return_value, conn->session_id);
#else
            add_next_index_long(return_value, fd);
#endif
            find_count--;
        }
        //finish fetch
        if (find_count <= 0)
        {
            break;
        }
    }
}

PHP_METHOD(swoole_server, sendwait)
{
    zval *zobject = getThis();

    long fd;
    zval *zdata;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz", &fd, &zdata) == FAILURE)
    {
        return;
    }

    char *data;
    int length = php_swoole_get_send_data(zdata, &data TSRMLS_CC);

    if (length < 0)
    {
        RETURN_FALSE;
    }
    else if (length == 0)
    {
        swoole_php_fatal_error(E_WARNING, "data is empty.");
        RETURN_FALSE;
    }

    swServer *serv = swoole_get_object(zobject);

    if (serv->factory_mode != SW_MODE_SINGLE || swIsTaskWorker())
    {
        swoole_php_fatal_error(E_WARNING, "cannot sendwait.");
        RETURN_FALSE;
    }

    //UDP
    if (swServer_is_udp(fd))
    {
        swoole_php_fatal_error(E_WARNING, "cannot sendwait.");
        RETURN_FALSE;
    }
    //TCP
    else
    {
        SW_CHECK_RETURN(swServer_tcp_sendwait(serv, fd, data, length));
    }
}

PHP_METHOD(swoole_server, exist)
{
    zval *zobject = getThis();

    long fd;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &fd) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(zobject);

    swConnection *conn = swWorker_get_connection(serv, fd);
    if (!conn)
    {
        RETURN_FALSE;
    }
    //connection is closed
    if (conn->active == 0 || conn->closed)
    {
        RETURN_FALSE;
    }
    else
    {
        RETURN_TRUE;
    }
}

PHP_METHOD(swoole_server, protect)
{
    long fd;
    zend_bool value = 1;

    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|b", &fd, &value) == FAILURE)
    {
        return;
    }

    swServer *serv = swoole_get_object(getThis());

    swConnection *conn = swWorker_get_connection(serv, fd);
    if (!conn)
    {
        RETURN_FALSE;
    }
    //connection is closed
    if (conn->active == 0 || conn->closed)
    {
        RETURN_FALSE;
    }
    else
    {
        conn->protect = value;
        RETURN_TRUE;
    }
}

PHP_METHOD(swoole_server, shutdown)
{
    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    if (kill(SwooleGS->master_pid, SIGTERM) < 0)
    {
        swoole_php_sys_error(E_WARNING, "shutdown failed. kill(%d, SIGTERM) failed.", SwooleGS->master_pid);
        RETURN_FALSE;
    }
    else
    {
        RETURN_TRUE;
    }
}

PHP_METHOD(swoole_server, stop)
{
    if (SwooleGS->start == 0)
    {
        swoole_php_fatal_error(E_WARNING, "Server is not running.");
        RETURN_FALSE;
    }

    long worker_id = SwooleWG.id;
    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &worker_id) == FAILURE)
    {
        return;
    }

    if (worker_id == SwooleWG.id)
    {
        SwooleG.main_reactor->running = 0;
        SwooleG.running = 0;
    }
    else
    {
        swWorker *worker = swServer_get_worker(SwooleG.serv, worker_id);
        if (worker == NULL)
        {
            RETURN_FALSE;
        }
        else if (kill(worker->pid, SIGTERM) < 0)
        {
            swoole_php_sys_error(E_WARNING, "kill(%d, SIGTERM) failed.", worker->pid);
            RETURN_FALSE;
        }
    }
    RETURN_TRUE;
}

#ifdef HAVE_PCRE
static struct
{
    int current_fd;
    int max_fd;
    uint32_t session_id;
    int end;
    int index;
} server_itearator;

PHP_METHOD(swoole_connection_iterator, rewind)
{
    bzero(&server_itearator, sizeof(server_itearator));
    server_itearator.current_fd = swServer_get_minfd(SwooleG.serv);
}

PHP_METHOD(swoole_connection_iterator, valid)
{
    int fd = server_itearator.current_fd;
    swConnection *conn;

    int max_fd = swServer_get_maxfd(SwooleG.serv);
    for (; fd <= max_fd; fd++)
    {
        conn = &SwooleG.serv->connection_list[fd];

        if (conn->active && !conn->closed)
        {
#ifdef SW_USE_OPENSSL
            if (conn->ssl && conn->ssl_state != SW_SSL_STATE_READY)
            {
                continue;
            }
#endif
            server_itearator.session_id = conn->session_id;
            server_itearator.current_fd = fd;
            server_itearator.index++;
            RETURN_TRUE;
        }
    }

    RETURN_FALSE;
}

PHP_METHOD(swoole_connection_iterator, current)
{
    RETURN_LONG(server_itearator.session_id);
}

PHP_METHOD(swoole_connection_iterator, next)
{
    server_itearator.current_fd ++;
}

PHP_METHOD(swoole_connection_iterator, key)
{
    RETURN_LONG(server_itearator.index);
}

PHP_METHOD(swoole_connection_iterator, count)
{
    RETURN_LONG(SwooleStats->connection_num);
}

PHP_METHOD(swoole_connection_iterator, offsetExists)
{
    zval *zobject = (zval *) SwooleG.serv->ptr2;
    zval *retval = NULL;
    zval *zfd;
    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zfd) == FAILURE)
    {
        return;
    }
    sw_zend_call_method_with_1_params(&zobject, swoole_server_class_entry_ptr, NULL, "exist", &retval, zfd);
    if (retval)
    {
        RETVAL_BOOL(Z_BVAL_P(retval));
        sw_zval_ptr_dtor(&retval);
    }
}

PHP_METHOD(swoole_connection_iterator, offsetGet)
{
    zval *zobject = (zval *) SwooleG.serv->ptr2;
    zval *retval = NULL;
    zval *zfd;
    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &zfd) == FAILURE)
    {
        return;
    }
    sw_zend_call_method_with_1_params(&zobject, swoole_server_class_entry_ptr, NULL, "connection_info", &retval, zfd);
    if (retval)
    {
        RETVAL_ZVAL(retval, 0, 0);
    }
}

PHP_METHOD(swoole_connection_iterator, offsetSet)
{
    return;
}

PHP_METHOD(swoole_connection_iterator, offsetUnset)
{
    return;
}

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */