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swoole_async.cc
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/*
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#include "php_streams.h"
#include "php_network.h"
#include "ext/standard/file.h"
#ifdef SW_COROUTINE
#include "swoole_coroutine.h"
#include "ext/standard/basic_functions.h"
#endif
#include <string>
#include <unordered_map>
typedef struct
{
zval _callback;
zval _filename;
zval *callback;
zval *filename;
int fd;
off_t offset;
uint16_t type;
uint8_t once;
char *content;
uint32_t length;
} file_request;
typedef struct
{
zval _callback;
zval _domain;
zval *callback;
zval *domain;
php_context *context;
uint8_t useless;
swTimer_node *timer;
} dns_request;
typedef struct
{
swString *zaddress;
int64_t update_time;
} dns_cache;
typedef struct
{
zval *callback;
pid_t pid;
int fd;
swString *buffer;
} process_stream;
static void aio_onFileCompleted(swAio_event *event);
static void aio_onDNSCompleted(swAio_event *event);
static void php_swoole_dns_callback(char *domain, swDNSResolver_result *result, void *data);
#ifdef SW_COROUTINE
static void coro_onDNSCompleted(char *domain, swDNSResolver_result *result, void *data);
static void dns_timeout_coro(swTimer *timer, swTimer_node *tnode);
#endif
static void php_swoole_file_request_free(void *data);
static std::unordered_map<std::string, int> open_files;
static std::unordered_map<std::string, dns_cache*> request_cache_map;
static void php_swoole_file_request_free(void *data)
{
file_request *file_req = (file_request *) data;
if (file_req->callback)
{
zval_ptr_dtor(file_req->callback);
}
efree(file_req->content);
zval_ptr_dtor(file_req->filename);
efree(file_req);
}
void swoole_async_init(int module_number)
{
bzero(&SwooleAIO, sizeof(SwooleAIO));
REGISTER_LONG_CONSTANT("SWOOLE_AIO_BASE", 0, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SWOOLE_AIO_LINUX", 0, CONST_CS | CONST_PERSISTENT);
}
void php_swoole_check_aio()
{
if (unlikely(SwooleAIO.init == 0))
{
php_swoole_check_reactor();
swAio_init();
}
}
static void php_swoole_dns_callback(char *domain, swDNSResolver_result *result, void *data)
{
dns_request *req = (dns_request *) data;
zval *retval = NULL;
zval *zaddress;
zval args[2];
char *address;
SW_MAKE_STD_ZVAL(zaddress);
if (result->num > 0)
{
if (SwooleG.dns_lookup_random)
{
address = result->hosts[rand() % result->num].address;
}
else
{
address = result->hosts[0].address;
}
ZVAL_STRING(zaddress, address);
}
else
{
ZVAL_STRING(zaddress, "");
}
args[0] = *req->domain;
args[1] = *zaddress;
zval *zcallback = req->callback;
if (sw_call_user_function_ex(EG(function_table), NULL, zcallback, &retval, 2, args, 0, NULL) == FAILURE)
{
swoole_php_fatal_error(E_WARNING, "swoole_asyns_dns_lookup handler error.");
return;
}
if (EG(exception))
{
zend_exception_error(EG(exception), E_ERROR);
}
zval_ptr_dtor(req->callback);
zval_ptr_dtor(req->domain);
efree(req);
if (retval)
{
zval_ptr_dtor(retval);
}
zval_ptr_dtor(zaddress);
}
static void coro_onDNSCompleted(char *domain, swDNSResolver_result *result, void *data)
{
dns_request *req = (dns_request *) data;
zval *retval = NULL;
zval *zaddress;
char *address;
SW_MAKE_STD_ZVAL(zaddress);
if (result->num > 0)
{
if (SwooleG.dns_lookup_random)
{
address = result->hosts[rand() % result->num].address;
}
else
{
address = result->hosts[0].address;
}
ZVAL_STRING(zaddress, address);
}
else
{
ZVAL_STRING(zaddress, "");
}
std::string key(Z_STRVAL_P(req->domain), Z_STRLEN_P(req->domain));
dns_cache *cache;
if (request_cache_map.find(key) == request_cache_map.end())
{
cache = (dns_cache *) emalloc(sizeof(dns_cache));
request_cache_map[key] = cache;
cache->zaddress = swString_new(20);
}
else
{
cache = request_cache_map[key];
}
swString_write_ptr(cache->zaddress, 0, Z_STRVAL_P(zaddress), Z_STRLEN_P(zaddress));
cache->update_time = swTimer_get_absolute_msec() + (int64_t) (SwooleG.dns_cache_refresh_time * 1000);
//timeout
if (req->timer)
{
swTimer_del(&SwooleG.timer, req->timer);
req->timer = NULL;
}
if (req->useless)
{
efree(req);
return;
}
int ret = sw_coro_resume(req->context, zaddress, retval);
if (ret > 0)
{
goto free_zdata;
}
if (retval != NULL)
{
zval_ptr_dtor(retval);
}
free_zdata:
zval_ptr_dtor(zaddress);
efree(req->context);
efree(req);
}
static void dns_timeout_coro(swTimer *timer, swTimer_node *tnode)
{
zval *retval = NULL;
zval *zaddress;
php_context *cxt = (php_context *) tnode->data;
dns_request *req = (dns_request *) cxt->coro_params.value.ptr;
SW_MAKE_STD_ZVAL(zaddress);
dns_cache *cache = request_cache_map[std::string(Z_STRVAL_P(req->domain), Z_STRLEN_P(req->domain))];
if (cache != NULL && cache->update_time > swTimer_get_absolute_msec())
{
ZVAL_STRINGL(zaddress, (*cache->zaddress).str, (*cache->zaddress).length);
}
else
{
ZVAL_STRING(zaddress, "");
}
int ret = sw_coro_resume(req->context, zaddress, retval);
if (ret > 0)
{
goto free_zdata;
}
if (retval != NULL)
{
zval_ptr_dtor(retval);
}
free_zdata:
zval_ptr_dtor(zaddress);
efree(req->context);
req->useless = 1;
}
static void aio_onDNSCompleted(swAio_event *event)
{
int64_t ret;
dns_request *dns_req = NULL;
zval *retval = NULL, *zcallback = NULL;
zval args[2];
zval _zcontent, *zcontent = &_zcontent;
dns_req = (dns_request *) event->req;
zcallback = dns_req->callback;
ZVAL_NULL(zcontent);
ret = event->ret;
if (ret < 0)
{
SwooleG.error = event->error;
swoole_php_error(E_WARNING, "Aio Error: %s[%d]", strerror(event->error), event->error);
}
args[0] = *dns_req->domain;
if (ret < 0)
{
ZVAL_STRING(zcontent, "");
}
else
{
ZVAL_STRING(zcontent, (char *) event->buf);
}
args[1] = *zcontent;
if (sw_call_user_function_ex(EG(function_table), NULL, zcallback, &retval, 2, args, 0, NULL) == FAILURE)
{
swoole_php_fatal_error(E_WARNING, "swoole_async: onAsyncComplete handler error");
return;
}
if (EG(exception))
{
zend_exception_error(EG(exception), E_ERROR);
}
zval_ptr_dtor(dns_req->callback);
zval_ptr_dtor(dns_req->domain);
efree(dns_req);
efree(event->buf);
if (!ZVAL_IS_NULL(zcontent))
{
zval_ptr_dtor(zcontent);
}
if (retval)
{
zval_ptr_dtor(retval);
}
}
static void aio_onFileCompleted(swAio_event *event)
{
int isEOF = SW_FALSE;
int64_t ret = event->ret;
file_request *file_req = (file_request *) event->object;
zval *retval = NULL, *zcallback = NULL;
zval args[2];
zval _zcontent, *zcontent = &_zcontent;
zval _zwriten, *zwriten = &_zwriten;
zcallback = file_req->callback;
ZVAL_NULL(zcontent);
ZVAL_NULL(zwriten);
if (ret < 0)
{
SwooleG.error = event->error;
swoole_php_error(E_WARNING, "Aio Error: %s[%d]", strerror(event->error), event->error);
}
else
{
if (ret == 0)
{
bzero(event->buf, event->nbytes);
isEOF = SW_TRUE;
}
else if (file_req->once == 1 && ret < file_req->length)
{
swoole_php_fatal_error(E_WARNING, "ret_length[%d] < req->length[%d].", (int ) ret, file_req->length);
}
else if (event->type == SW_AIO_READ)
{
file_req->offset += event->ret;
}
}
if (event->type == SW_AIO_READ)
{
if (ret < 0)
{
ZVAL_STRING(zcontent, "");
}
else
{
ZVAL_STRINGL(zcontent, (char* )event->buf, ret);
}
args[0] = *file_req->filename;
args[1] = *zcontent;
}
else if (event->type == SW_AIO_WRITE)
{
ZVAL_LONG(zwriten, ret);
args[0] = *file_req->filename;
args[1] = *zwriten;
}
else
{
swoole_php_fatal_error(E_WARNING, "swoole_async: onFileCompleted unknown event type[%d].", event->type);
return;
}
if (zcallback)
{
if (sw_call_user_function_ex(EG(function_table), NULL, zcallback, &retval, 2, args, 0, NULL) == FAILURE)
{
swoole_php_fatal_error(E_WARNING, "swoole_async: onAsyncComplete handler error");
return;
}
if (EG(exception))
{
zend_exception_error(EG(exception), E_ERROR);
}
}
//file io
if (file_req->once == 1)
{
close_file:
close(event->fd);
php_swoole_file_request_free(file_req);
}
else if(file_req->type == SW_AIO_WRITE)
{
if (retval != NULL && !ZVAL_IS_NULL(retval) && !Z_BVAL_P(retval))
{
open_files.erase(std::string(Z_STRVAL_P(file_req->filename), Z_STRLEN_P(file_req->filename)));
goto close_file;
}
else
{
php_swoole_file_request_free(file_req);
}
}
else
{
if ((retval != NULL && !ZVAL_IS_NULL(retval) && !Z_BVAL_P(retval)) || isEOF)
{
goto close_file;
}
//Less than expected, at the end of the file
else if (event->ret < (int) event->nbytes)
{
event->ret = 0;
aio_onFileCompleted(event);
}
//continue to read
else
{
swAio_event ev;
ev.fd = event->fd;
ev.buf = event->buf;
ev.type = SW_AIO_READ;
ev.nbytes = event->nbytes;
ev.offset = file_req->offset;
ev.flags = 0;
ev.object = file_req;
ev.handler = swAio_handler_read;
ev.callback = aio_onFileCompleted;
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
swoole_php_fatal_error(E_WARNING, "swoole_async: continue to read failed. Error: %s[%d]", strerror(event->error), event->error);
goto close_file;
}
}
}
if (!ZVAL_IS_NULL(zcontent))
{
zval_ptr_dtor(zcontent);
}
if (!ZVAL_IS_NULL(zwriten))
{
zval_ptr_dtor(zwriten);
}
if (retval)
{
zval_ptr_dtor(retval);
}
}
PHP_FUNCTION(swoole_async_read)
{
zval *callback;
zval *filename;
long buf_size = SW_AIO_DEFAULT_CHUNK_SIZE;
long offset = 0;
int open_flag = O_RDONLY;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz|ll", &filename, &callback, &buf_size, &offset) == FAILURE)
{
RETURN_FALSE;
}
if (offset < 0)
{
swoole_php_fatal_error(E_WARNING, "offset must be greater than 0.");
RETURN_FALSE;
}
if (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
if (buf_size > SW_AIO_MAX_CHUNK_SIZE)
{
buf_size = SW_AIO_MAX_CHUNK_SIZE;
}
convert_to_string(filename);
int fd = open(Z_STRVAL_P(filename), open_flag, 0644);
if (fd < 0)
{
swoole_php_sys_error(E_WARNING, "open(%s, O_RDONLY) failed.", Z_STRVAL_P(filename));
RETURN_FALSE;
}
struct stat file_stat;
if (fstat(fd, &file_stat) < 0)
{
swoole_php_sys_error(E_WARNING, "fstat(%s) failed.", Z_STRVAL_P(filename));
close(fd);
RETURN_FALSE;
}
if (offset >= file_stat.st_size)
{
swoole_php_fatal_error(E_WARNING, "offset must be less than file_size[=%jd].", (intmax_t) file_stat.st_size);
close(fd);
RETURN_FALSE;
}
void *fcnt = emalloc(buf_size);
if (fcnt == NULL)
{
swoole_php_sys_error(E_WARNING, "malloc failed.");
close(fd);
RETURN_FALSE;
}
file_request *req = (file_request *) emalloc(sizeof(file_request));
req->fd = fd;
req->filename = filename;
Z_TRY_ADDREF_P(filename);
sw_copy_to_stack(req->filename, req->_filename);
if (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
req->callback = callback;
Z_TRY_ADDREF_P(callback);
sw_copy_to_stack(req->callback, req->_callback);
req->content = (char*) fcnt;
req->once = 0;
req->type = SW_AIO_READ;
req->length = buf_size;
req->offset = offset;
php_swoole_check_aio();
swAio_event ev;
ev.fd = fd;
ev.buf = fcnt;
ev.type = SW_AIO_READ;
ev.nbytes = buf_size;
ev.offset = offset;
ev.flags = 0;
ev.object = req;
ev.handler = swAio_handler_read;
ev.callback = aio_onFileCompleted;
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_write)
{
zval *callback = NULL;
zval *filename;
char *fcnt;
size_t fcnt_len = 0;
off_t offset = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zs|lz", &filename, &fcnt, &fcnt_len, &offset, &callback) == FAILURE)
{
RETURN_FALSE;
}
if (fcnt_len <= 0)
{
RETURN_FALSE;
}
if (callback && !ZVAL_IS_NULL(callback))
{
if (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
}
convert_to_string(filename);
int fd;
std::string key(Z_STRVAL_P(filename), Z_STRLEN_P(filename));
if (open_files.find(key) == open_files.end())
{
int open_flag = O_WRONLY | O_CREAT;
if (offset < 0)
{
open_flag |= O_APPEND;
}
fd = open(Z_STRVAL_P(filename), open_flag, 0644);
if (fd < 0)
{
swoole_php_fatal_error(E_WARNING, "open(%s, %d) failed. Error: %s[%d]", Z_STRVAL_P(filename), open_flag, strerror(errno), errno);
RETURN_FALSE;
}
open_files[key] = fd;
}
else
{
fd = open_files[key];
}
if (offset < 0)
{
offset = 0;
}
file_request *req = (file_request *) emalloc(sizeof(file_request));
char *wt_cnt = (char *) emalloc(fcnt_len);
req->fd = fd;
req->content = wt_cnt;
req->once = 0;
req->type = SW_AIO_WRITE;
req->length = fcnt_len;
req->offset = offset;
req->filename = filename;
Z_TRY_ADDREF_P(filename);
sw_copy_to_stack(req->filename, req->_filename);
if (callback && !ZVAL_IS_NULL(callback))
{
req->callback = callback;
Z_TRY_ADDREF_P(callback);
sw_copy_to_stack(req->callback, req->_callback);
}
else
{
req->callback = NULL;
}
memcpy(wt_cnt, fcnt, fcnt_len);
php_swoole_check_aio();
swAio_event ev;
ev.fd = fd;
ev.buf = wt_cnt;
ev.type = SW_AIO_WRITE;
ev.nbytes = fcnt_len;
ev.offset = offset;
ev.flags = 0;
ev.object = req;
ev.handler = swAio_handler_write;
ev.callback = aio_onFileCompleted;
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_readfile)
{
zval *callback;
zval *filename;
int open_flag = O_RDONLY;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &filename, &callback) == FAILURE)
{
RETURN_FALSE;
}
convert_to_string(filename);
int fd = open(Z_STRVAL_P(filename), open_flag, 0644);
if (fd < 0)
{
swoole_php_fatal_error(E_WARNING, "open file[%s] failed. Error: %s[%d]", Z_STRVAL_P(filename), strerror(errno), errno);
RETURN_FALSE;
}
if (!php_swoole_is_callable(callback))
{
close(fd);
RETURN_FALSE;
}
struct stat file_stat;
if (fstat(fd, &file_stat) < 0)
{
swoole_php_fatal_error(E_WARNING, "fstat failed. Error: %s[%d]", strerror(errno), errno);
close(fd);
RETURN_FALSE;
}
if (file_stat.st_size <= 0)
{
swoole_php_fatal_error(E_WARNING, "file is empty.");
close(fd);
RETURN_FALSE;
}
if (file_stat.st_size > SW_AIO_MAX_FILESIZE)
{
swoole_php_fatal_error(E_WARNING, "file_size[size=%ld|max_size=%d] is too big. Please use swoole_async_read.",
(long int) file_stat.st_size, SW_AIO_MAX_FILESIZE);
close(fd);
RETURN_FALSE;
}
size_t length = file_stat.st_size;
file_request *req = (file_request *) emalloc(sizeof(file_request));
req->fd = fd;
req->filename = filename;
Z_TRY_ADDREF_P(filename);
sw_copy_to_stack(req->filename, req->_filename);
req->callback = callback;
Z_TRY_ADDREF_P(callback);
sw_copy_to_stack(req->callback, req->_callback);
req->content = (char *) emalloc(length);
req->once = 1;
req->type = SW_AIO_READ;
req->length = length;
req->offset = 0;
php_swoole_check_aio();
swAio_event ev;
ev.fd = fd;
ev.buf = req->content;
ev.type = SW_AIO_READ;
ev.nbytes = length;
ev.offset = 0;
ev.flags = 0;
ev.object = req;
ev.handler = swAio_handler_read;
ev.callback = aio_onFileCompleted;
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_writefile)
{
zval *callback = NULL;
zval *filename;
char *fcnt;
size_t fcnt_len;
long flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zs|zl", &filename, &fcnt, &fcnt_len, &callback, &flags) == FAILURE)
{
RETURN_FALSE;
}
int open_flag = O_CREAT | O_WRONLY;
if (flags & PHP_FILE_APPEND)
{
open_flag |= O_APPEND;
}
else
{
open_flag |= O_TRUNC;
}
if (fcnt_len <= 0)
{
RETURN_FALSE;
}
if (fcnt_len > SW_AIO_MAX_FILESIZE)
{
swoole_php_fatal_error(E_WARNING, "file_size[size=%zd|max_size=%d] is too big. Please use swoole_async_write.",
fcnt_len, SW_AIO_MAX_FILESIZE);
RETURN_FALSE;
}
if (callback && !ZVAL_IS_NULL(callback))
{
if (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
}
convert_to_string(filename);
int fd = open(Z_STRVAL_P(filename), open_flag, 0644);
if (fd < 0)
{
swoole_php_fatal_error(E_WARNING, "open file failed. Error: %s[%d]", strerror(errno), errno);
RETURN_FALSE;
}
size_t memory_size = fcnt_len;
char *wt_cnt = (char *) emalloc(memory_size);
file_request *req = (file_request *) emalloc(sizeof(file_request));
req->filename = filename;
Z_TRY_ADDREF_P(filename);
sw_copy_to_stack(req->filename, req->_filename);
if (callback && !ZVAL_IS_NULL(callback))
{
req->callback = callback;
Z_TRY_ADDREF_P(callback);
sw_copy_to_stack(req->callback, req->_callback);
}
else
{
req->callback = NULL;
}
req->fd = fd;
req->type = SW_AIO_WRITE;
req->content = wt_cnt;
req->once = 1;
req->length = fcnt_len;
req->offset = 0;
memcpy(wt_cnt, fcnt, fcnt_len);
php_swoole_check_aio();
swAio_event ev;
ev.fd = fd;
ev.buf = wt_cnt;
ev.type = SW_AIO_WRITE;
ev.nbytes = memory_size;
ev.offset = 0;
ev.flags = 0;
ev.object = req;
ev.handler = swAio_handler_write;
ev.callback = aio_onFileCompleted;
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_set)
{
if (SwooleG.main_reactor != NULL)
{
swoole_php_fatal_error(E_ERROR, "eventLoop has already been created. unable to change settings.");
RETURN_FALSE;
}
zval *zset = NULL;
HashTable *vht;
zval *v;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ARRAY(zset)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
php_swoole_array_separate(zset);
vht = Z_ARRVAL_P(zset);
if (php_swoole_array_get_value(vht, "thread_num", v))
{
convert_to_long(v);
SwooleAIO.thread_num = (uint8_t) Z_LVAL_P(v);
}
if (php_swoole_array_get_value(vht, "enable_signalfd", v))
{
convert_to_boolean(v);
SwooleG.enable_signalfd = Z_BVAL_P(v);
}
if (php_swoole_array_get_value(vht, "dns_cache_refresh_time", v))
{
convert_to_double(v);
SwooleG.dns_cache_refresh_time = Z_DVAL_P(v);
}
if (php_swoole_array_get_value(vht, "socket_buffer_size", v))
{
convert_to_long(v);
SwooleG.socket_buffer_size = Z_LVAL_P(v);
if (SwooleG.socket_buffer_size <= 0 || SwooleG.socket_buffer_size > SW_MAX_INT)
{
SwooleG.socket_buffer_size = SW_MAX_INT;
}
}
if (php_swoole_array_get_value(vht, "log_level", v))
{
convert_to_long(v);
SwooleG.log_level = Z_LVAL_P(v);
}
if (php_swoole_array_get_value(vht, "display_errors", v))
{
convert_to_boolean(v);
SWOOLE_G(display_errors) = Z_BVAL_P(v);
}
if (php_swoole_array_get_value(vht, "socket_dontwait", v))
{
convert_to_boolean(v);
SwooleG.socket_dontwait = Z_BVAL_P(v);
}
if (php_swoole_array_get_value(vht, "dns_lookup_random", v))
{
convert_to_boolean(v);
SwooleG.dns_lookup_random = Z_BVAL_P(v);
}
if (php_swoole_array_get_value(vht, "dns_server", v))
{
convert_to_string(v);
SwooleG.dns_server_v4 = sw_strndup(Z_STRVAL_P(v), Z_STRLEN_P(v));
}
if (php_swoole_array_get_value(vht, "use_async_resolver", v))
{
convert_to_boolean(v);
SwooleG.use_async_resolver = Z_BVAL_P(v);
}
if (php_swoole_array_get_value(vht, "enable_coroutine", v))
{
convert_to_boolean(v);
SwooleG.enable_coroutine = Z_BVAL_P(v);
}
#if defined(HAVE_REUSEPORT) && defined(HAVE_EPOLL)
//reuse port
if (php_swoole_array_get_value(vht, "enable_reuse_port", v))
{
convert_to_boolean(v);
if (Z_BVAL_P(v) && swoole_version_compare(SwooleG.uname.release, "3.9.0") >= 0)
{
SwooleG.reuse_port = 1;
}
}
#endif
zval_ptr_dtor(zset);
}
PHP_FUNCTION(swoole_async_dns_lookup)
{
zval *domain;
zval *cb;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &domain, &cb) == FAILURE)
{
RETURN_FALSE;
}
if (Z_TYPE_P(domain) != IS_STRING)
{
swoole_php_fatal_error(E_WARNING, "invalid domain name.");
RETURN_FALSE;
}
if (Z_STRLEN_P(domain) == 0)
{
swoole_php_fatal_error(E_WARNING, "domain name empty.");
RETURN_FALSE;
}
if (!php_swoole_is_callable(cb))
{
RETURN_FALSE;
}
dns_request *req = (dns_request *) emalloc(sizeof(dns_request));
req->callback = cb;
sw_copy_to_stack(req->callback, req->_callback);
Z_TRY_ADDREF_P(req->callback);
req->domain = domain;
sw_copy_to_stack(req->domain, req->_domain);
Z_TRY_ADDREF_P(req->domain);
/**
* Use asynchronous IO
*/
if (SwooleG.use_async_resolver)
{
php_swoole_check_reactor();
SW_CHECK_RETURN(swDNSResolver_request(Z_STRVAL_P(domain), php_swoole_dns_callback, (void *) req));
}
php_swoole_check_aio();
/**
* Use thread pool
*/
int buf_size;
if (Z_STRLEN_P(domain) < SW_IP_MAX_LENGTH)