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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_async.h"
#include "ext/swoole/php_swoole_cxx.h"
#include "php_streams.h"
#include "php_network.h"
#include "ext/standard/file.h"
#include <string>
#include <unordered_map>
typedef struct
{
zval _callback;
zval _filename;
zval *callback;
zval *filename;
uint32_t *refcount;
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;
uint8_t useless;
swTimer_node *timer;
} dns_request;
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);
static void php_swoole_file_request_free(void *data);
PHP_FUNCTION(swoole_async_read);
PHP_FUNCTION(swoole_async_write);
PHP_FUNCTION(swoole_async_readfile);
PHP_FUNCTION(swoole_async_writefile);
PHP_FUNCTION(swoole_async_dns_lookup);
PHP_METHOD(swoole_async, exec);
typedef struct
{
int fd;
uint32_t refcount;
} open_file;
static std::unordered_map<std::string, open_file> open_write_files;
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_set, 0, 0, 1)
ZEND_ARG_ARRAY_INFO(0, settings, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_readfile, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_writefile, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, content)
ZEND_ARG_INFO(0, callback)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_read, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, callback)
ZEND_ARG_INFO(0, chunk_size)
ZEND_ARG_INFO(0, offset)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_write, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, content)
ZEND_ARG_INFO(0, offset)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_dns_lookup, 0, 0, 2)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_exec, 0, 0, 2)
ZEND_ARG_INFO(0, command)
ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()
const zend_function_entry swoole_async_functions[] =
{
PHP_FE(swoole_async_read, arginfo_swoole_async_read)
PHP_FE(swoole_async_write, arginfo_swoole_async_write)
PHP_FE(swoole_async_readfile, arginfo_swoole_async_readfile)
PHP_FE(swoole_async_writefile, arginfo_swoole_async_writefile)
PHP_FE(swoole_async_dns_lookup, arginfo_swoole_async_dns_lookup)
PHP_FE_END /* Must be the last line in swoole_async_functions[] */
};
static const zend_function_entry swoole_async_methods[] =
{
ZEND_FENTRY(read, ZEND_FN(swoole_async_read), arginfo_swoole_async_read, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(write, ZEND_FN(swoole_async_write), arginfo_swoole_async_write, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(readFile, ZEND_FN(swoole_async_readfile), arginfo_swoole_async_readfile, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(writeFile, ZEND_FN(swoole_async_writefile), arginfo_swoole_async_writefile, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(dnsLookup, ZEND_FN(swoole_async_dns_lookup), arginfo_swoole_async_dns_lookup, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(set, ZEND_FN(swoole_async_set), arginfo_swoole_async_set, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_async, exec, arginfo_swoole_async_exec, ZEND_ACC_PUBLIC| ZEND_ACC_STATIC)
PHP_FE_END
};
static zend_class_entry *swoole_async_ce;
static zend_object_handlers swoole_async_handlers;
/* {{{ swoole_async_deps
*/
static const zend_module_dep swoole_async_deps[] = {
ZEND_MOD_REQUIRED("swoole")
ZEND_MOD_END
};
/* }}} */
zend_module_entry swoole_async_module_entry =
{
STANDARD_MODULE_HEADER_EX, NULL,
swoole_async_deps,
"swoole_async",
swoole_async_functions,
PHP_MINIT(swoole_async),
PHP_MSHUTDOWN(swoole_async),
PHP_RINIT(swoole_async),
PHP_RSHUTDOWN(swoole_async),
PHP_MINFO(swoole_async),
PHP_SWOOLE_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_SWOOLE_ASYNC
ZEND_GET_MODULE(swoole_async)
#endif
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)
{
SW_INIT_CLASS_ENTRY(swoole_async, "Swoole\\Async", "swoole_async", NULL, swoole_async_methods);
SW_SET_CLASS_SERIALIZABLE(swoole_async, zend_class_serialize_deny, zend_class_unserialize_deny);
SW_SET_CLASS_CLONEABLE(swoole_async, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_async, sw_zend_class_unset_property_deny);
}
static void php_swoole_dns_callback(char *domain, swDNSResolver_result *result, void *data)
{
dns_request *req = (dns_request *) data;
zval *retval = NULL;
zval args[2];
char *address;
/**
* args[0]: host domain name
*/
args[0] = *req->domain;
/**
* args[1]: IP address
*/
if (result->num > 0)
{
if (SwooleG.dns_lookup_random)
{
address = result->hosts[rand() % result->num].address;
}
else
{
address = result->hosts[0].address;
}
ZVAL_STRING(&args[1], address);
}
else
{
ZVAL_STRING(&args[1], "");
}
zval *zcallback = req->callback;
if (sw_call_user_function_ex(EG(function_table), NULL, zcallback, &retval, 2, args, 0, NULL) == FAILURE)
{
php_swoole_fatal_error(E_WARNING, "swoole_asyns_dns_lookup handler error.");
return;
}
if (UNEXPECTED(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(&args[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;
php_swoole_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)
{
php_swoole_fatal_error(E_WARNING, "swoole_async: onAsyncComplete handler error");
return;
}
if (UNEXPECTED(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;
php_swoole_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)
{
php_swoole_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
{
php_swoole_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)
{
php_swoole_fatal_error(E_WARNING, "swoole_async: onAsyncComplete handler error");
return;
}
if (UNEXPECTED(EG(exception)))
{
zend_exception_error(EG(exception), E_ERROR);
}
}
//file io
if (file_req->once == 1)
{
close_file:
if (file_req->refcount)
{
if (--(*file_req->refcount) == 0)
{
swTraceLog(SW_TRACE_AIO, "close file fd#%d", event->fd);
open_write_files.erase(std::string(Z_STRVAL_P(file_req->filename), Z_STRLEN_P(file_req->filename)));
close(event->fd);
}
else
{
swTraceLog(SW_TRACE_AIO, "delref file fd#%d, refcount=%u", event->fd, *file_req->refcount);
}
}
else
{
close(event->fd);
}
php_swoole_file_request_free(file_req);
}
else if(file_req->type == SW_AIO_WRITE)
{
if (retval && !ZVAL_IS_NULL(retval) && !Z_BVAL_P(retval))
{
goto close_file;
}
else
{
php_swoole_file_request_free(file_req);
}
}
else // if(file_req->type == SW_AIO_READ)
{
if ((retval && !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.canceled = 0;
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)
{
php_swoole_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 *filename;
zval *callback;
zend_long buf_size = SW_AIO_DEFAULT_CHUNK_SIZE;
zend_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)
{
php_swoole_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;
}
zend::string str_filename(filename);
int fd = open(str_filename.val(), open_flag, 0644);
if (fd < 0)
{
php_swoole_sys_error(E_WARNING, "open(%s, O_RDONLY) failed.", str_filename.val());
RETURN_FALSE;
}
struct stat file_stat;
if (fstat(fd, &file_stat) < 0)
{
php_swoole_sys_error(E_WARNING, "fstat(%s) failed.", str_filename.val());
close(fd);
RETURN_FALSE;
}
if (offset >= file_stat.st_size)
{
php_swoole_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)
{
php_swoole_sys_error(E_WARNING, "malloc failed.");
close(fd);
RETURN_FALSE;
}
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 (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
req->callback = callback;
Z_TRY_ADDREF_P(callback);
sw_copy_to_stack(req->callback, req->_callback);
req->refcount = nullptr;
req->content = (char*) fcnt;
req->once = 0;
req->type = SW_AIO_READ;
req->length = buf_size;
req->offset = offset;
swAio_event ev;
ev.canceled = 0;
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;
php_swoole_check_reactor();
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_write)
{
zval *filename;
char *fcnt;
size_t fcnt_len;
off_t offset = -1;
zval *callback = NULL;
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 (offset < 0)
{
offset = 0;
}
if (callback && !ZVAL_IS_NULL(callback))
{
if (!php_swoole_is_callable(callback))
{
RETURN_FALSE;
}
}
zend::string str_filename(filename);
file_request *req = (file_request *) emalloc(sizeof(file_request));
int fd;
std::string key(str_filename.val(), str_filename.len());
auto file_iterator = open_write_files.find(key);
if (file_iterator == open_write_files.end())
{
int open_flag = O_WRONLY | O_CREAT;
if (offset < 0)
{
open_flag |= O_APPEND;
}
fd = open(str_filename.val(), open_flag, 0644);
if (fd < 0)
{
php_swoole_fatal_error(E_WARNING, "open(%s, %d) failed. Error: %s[%d]", str_filename.val(), open_flag, strerror(errno), errno);
RETURN_FALSE;
}
swTraceLog(SW_TRACE_AIO, "open write file fd#%d", fd);
open_write_files[key] = {fd, 1};
req->refcount = &open_write_files[key].refcount;
}
else
{
fd = file_iterator->second.fd;
file_iterator->second.refcount++;
req->refcount = &file_iterator->second.refcount;
swTraceLog(SW_TRACE_AIO, "reuse write file fd#%d", fd);
}
char *wt_cnt = (char *) emalloc(fcnt_len);
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);
swAio_event ev;
ev.canceled = 0;
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;
php_swoole_check_reactor();
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;
}
zend::string str_filename(filename);
int fd = open(str_filename.val(), open_flag, 0644);
if (fd < 0)
{
php_swoole_fatal_error(E_WARNING, "open file[%s] failed. Error: %s[%d]", str_filename.val(), 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)
{
php_swoole_fatal_error(E_WARNING, "fstat failed. Error: %s[%d]", strerror(errno), errno);
close(fd);
RETURN_FALSE;
}
if (file_stat.st_size <= 0)
{
php_swoole_fatal_error(E_WARNING, "file is empty.");
close(fd);
RETURN_FALSE;
}
if (file_stat.st_size > SW_AIO_MAX_FILESIZE)
{
php_swoole_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->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->refcount = nullptr;
req->content = (char *) emalloc(length);
req->once = 1;
req->type = SW_AIO_READ;
req->length = length;
req->offset = 0;
swAio_event ev;
ev.canceled = 0;
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;
php_swoole_check_reactor();
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_writefile)
{
zval *filename;
char *fcnt;
size_t fcnt_len;
zval *callback = NULL;
zend_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)
{
php_swoole_fatal_error(
E_WARNING, "file_size[size=%zu|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;
}
}
zend::string str_filename(filename);
int fd = open(str_filename.val(), open_flag, 0644);
if (fd < 0)
{
php_swoole_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->refcount = nullptr;
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);
swAio_event ev;
ev.canceled = 0;
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;
php_swoole_check_reactor();
int ret = swAio_dispatch(&ev);
if (ret == SW_ERR)
{
RETURN_FALSE;
}
else
{
RETURN_TRUE;
}
}
PHP_FUNCTION(swoole_async_set)
{
if (SwooleG.main_reactor != NULL)
{
php_swoole_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);
vht = Z_ARRVAL_P(zset);
if (php_swoole_array_get_value(vht, "enable_signalfd", v))
{
SwooleG.enable_signalfd = zval_is_true(v);
}
if (php_swoole_array_get_value(vht, "dns_cache_refresh_time", v))
{
SwooleG.dns_cache_refresh_time = zval_get_double(v);
}
if (php_swoole_array_get_value(vht, "socket_buffer_size", v))
{
SwooleG.socket_buffer_size = zval_get_long(v);
if (SwooleG.socket_buffer_size <= 0 || SwooleG.socket_buffer_size > INT_MAX)
{
SwooleG.socket_buffer_size = INT_MAX;
}
}
if (php_swoole_array_get_value(vht, "log_level", v))
{
zend_long level = zval_get_long(v);
SwooleG.log_level = (uint32_t) (level < 0 ? UINT32_MAX : level);
}
if (php_swoole_array_get_value(vht, "thread_num", v) || php_swoole_array_get_value(vht, "min_thread_num", v))
{
SwooleAIO.max_thread_count = SwooleAIO.min_thread_count = zval_get_long(v);
}
if (php_swoole_array_get_value(vht, "max_thread_num", v))
{
SwooleAIO.max_thread_count = zval_get_long(v);
}
if (php_swoole_array_get_value(vht, "display_errors", v))
{
SWOOLE_G(display_errors) = zval_is_true(v);
}
if (php_swoole_array_get_value(vht, "socket_dontwait", v))
{
SwooleG.socket_dontwait = zval_is_true(v);
}
if (php_swoole_array_get_value(vht, "dns_lookup_random", v))
{
SwooleG.dns_lookup_random = zval_is_true(v);
}
if (php_swoole_array_get_value(vht, "dns_server", v))
{
zend::string str_v(v);
SwooleG.dns_server_v4 = sw_strndup(str_v.val(), str_v.len());
}
if (php_swoole_array_get_value(vht, "use_async_resolver", v))
{
SwooleG.use_async_resolver = zval_is_true(v);
}
if (php_swoole_array_get_value(vht, "enable_coroutine", v))
{
SwooleG.enable_coroutine = zval_is_true(v);
}
#if defined(HAVE_REUSEPORT) && defined(HAVE_EPOLL)
//reuse port
if (php_swoole_array_get_value(vht, "enable_reuse_port", v))
{
if (zval_is_true(v) && swoole_version_compare(SwooleG.uname.release, "3.9.0") >= 0)
{
SwooleG.reuse_port = 1;
}
}
#endif
}
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)
{
php_swoole_fatal_error(E_WARNING, "invalid domain name.");
RETURN_FALSE;
}
if (Z_STRLEN_P(domain) == 0)
{
php_swoole_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));
}
/**
* Use thread pool
*/
int buf_size;
if (Z_STRLEN_P(domain) < SW_IP_MAX_LENGTH)
{
buf_size = SW_IP_MAX_LENGTH + 1;
}
else
{
buf_size = Z_STRLEN_P(domain) + 1;
}
void *buf = emalloc(buf_size);
bzero(buf, buf_size);
memcpy(buf, Z_STRVAL_P(domain), Z_STRLEN_P(domain));
swAio_event ev;