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swoole_coroutine_util.c
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swoole_coroutine_util.c
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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 |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Xinyu Zhu <xyzhu1120@gmail.com> |
| shiguangqi <shiguangqi2008@gmail.com> |
| Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#ifdef SW_COROUTINE
#include "swoole_coroutine.h"
#include "async.h"
#include "ext/standard/file.h"
typedef struct
{
php_context context;
int fd;
zend_string *buf;
uint32_t nbytes;
swTimer_node *timer;
} util_socket;
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_set, 0, 0, 1)
ZEND_ARG_INFO(0, options)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_create, 0, 0, 1)
ZEND_ARG_INFO(0, func)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_exec, 0, 0, 1)
ZEND_ARG_INFO(0, command)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_resume, 0, 0, 1)
ZEND_ARG_INFO(0, uid)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_sleep, 0, 0, 1)
ZEND_ARG_INFO(0, seconds)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_fread, 0, 0, 1)
ZEND_ARG_INFO(0, handle)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_fgets, 0, 0, 1)
ZEND_ARG_INFO(0, handle)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_fwrite, 0, 0, 2)
ZEND_ARG_INFO(0, handle)
ZEND_ARG_INFO(0, string)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_gethostbyname, 0, 0, 1)
ZEND_ARG_INFO(0, domain_name)
ZEND_ARG_INFO(0, family)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_getaddrinfo, 0, 0, 1)
ZEND_ARG_INFO(0, hostname)
ZEND_ARG_INFO(0, family)
ZEND_ARG_INFO(0, socktype)
ZEND_ARG_INFO(0, protocol)
ZEND_ARG_INFO(0, service)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_readFile, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_writeFile, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
static PHP_METHOD(swoole_coroutine_util, set);
static PHP_METHOD(swoole_coroutine_util, suspend);
static PHP_METHOD(swoole_coroutine_util, resume);
static PHP_METHOD(swoole_coroutine_util, stats);
static PHP_METHOD(swoole_coroutine_util, getuid);
static PHP_METHOD(swoole_coroutine_util, sleep);
static PHP_METHOD(swoole_coroutine_util, fread);
static PHP_METHOD(swoole_coroutine_util, fgets);
static PHP_METHOD(swoole_coroutine_util, fwrite);
static PHP_METHOD(swoole_coroutine_util, gethostbyname);
static PHP_METHOD(swoole_coroutine_util, getaddrinfo);
static PHP_METHOD(swoole_coroutine_util, readFile);
static PHP_METHOD(swoole_coroutine_util, writeFile);
static swHashMap *defer_coros;
static zend_class_entry swoole_coroutine_util_ce;
static zend_class_entry *swoole_coroutine_util_class_entry_ptr;
static const zend_function_entry swoole_coroutine_util_methods[] =
{
ZEND_FENTRY(create, ZEND_FN(swoole_coroutine_create), arginfo_swoole_coroutine_create, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(exec, ZEND_FN(swoole_coroutine_exec), arginfo_swoole_coroutine_exec, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, set, arginfo_swoole_coroutine_set, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, suspend, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, resume, arginfo_swoole_coroutine_resume, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, stats, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, getuid, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, sleep, arginfo_swoole_coroutine_sleep, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, fread, arginfo_swoole_coroutine_fread, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, fgets, arginfo_swoole_coroutine_fgets, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, fwrite, arginfo_swoole_coroutine_fwrite, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, readFile, arginfo_swoole_coroutine_readFile, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, writeFile, arginfo_swoole_coroutine_writeFile, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, gethostbyname, arginfo_swoole_coroutine_gethostbyname, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, getaddrinfo, arginfo_swoole_coroutine_getaddrinfo, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_FE_END
};
void swoole_coroutine_util_init(int module_number TSRMLS_DC)
{
SWOOLE_INIT_CLASS_ENTRY(swoole_coroutine_util_ce, "swoole_coroutine", "Swoole\\Coroutine", swoole_coroutine_util_methods);
swoole_coroutine_util_class_entry_ptr = zend_register_internal_class(&swoole_coroutine_util_ce TSRMLS_CC);
if (SWOOLE_G(use_namespace))
{
sw_zend_register_class_alias("swoole_coroutine", swoole_coroutine_util_class_entry_ptr);
}
else
{
sw_zend_register_class_alias("Swoole\\Coroutine", swoole_coroutine_util_class_entry_ptr);
}
if (SWOOLE_G(use_shortname))
{
sw_zend_register_class_alias("Co", swoole_coroutine_util_class_entry_ptr);
}
defer_coros = swHashMap_new(SW_HASHMAP_INIT_BUCKET_N, NULL);
}
/*
* suspend current coroutine
*/
static PHP_METHOD(swoole_coroutine_util, suspend)
{
int cid = sw_get_current_cid();
if (cid < 0)
{
swoole_php_fatal_error(E_ERROR, "can not suspend outside coroutine");
RETURN_FALSE;
}
swLinkedList *coros_list = swHashMap_find_int(defer_coros, cid);
if (coros_list == NULL)
{
coros_list = swLinkedList_new(2, NULL);
if (coros_list == NULL)
{
RETURN_FALSE;
}
if (swHashMap_add_int(defer_coros, cid, coros_list) == SW_ERR)
{
swLinkedList_free(coros_list);
RETURN_FALSE;
}
}
php_context *context = emalloc(sizeof(php_context));
coro_save(context);
if (swLinkedList_append(coros_list, (void *) context) == SW_ERR)
{
efree(context);
RETURN_FALSE;
}
coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, set)
{
zval *zset = NULL;
HashTable *vht = NULL;
zval *v;
if (zend_parse_parameters(ZEND_NUM_ARGS()TSRMLS_CC, "z", &zset) == FAILURE)
{
return;
}
php_swoole_array_separate(zset);
vht = Z_ARRVAL_P(zset);
if (php_swoole_array_get_value(vht, "max_coroutine", v))
{
convert_to_long(v);
COROG.max_coro_num = (int) Z_LVAL_P(v);
if (COROG.max_coro_num <= 0)
{
COROG.max_coro_num = DEFAULT_MAX_CORO_NUM;
}
else if (COROG.max_coro_num >= MAX_CORO_NUM_LIMIT)
{
COROG.max_coro_num = MAX_CORO_NUM_LIMIT;
}
}
if (php_swoole_array_get_value(vht, "stack_size", v))
{
convert_to_long(v);
COROG.stack_size = (uint32_t) Z_LVAL_P(v);
}
if (php_swoole_array_get_value(vht, "log_level", v))
{
convert_to_long(v);
SwooleG.log_level = (int32_t) Z_LVAL_P(v);
}
if (php_swoole_array_get_value(vht, "trace_flags", v))
{
convert_to_long(v);
SwooleG.trace_flags = (int32_t) Z_LVAL_P(v);
}
sw_zval_ptr_dtor(&zset);
}
PHP_FUNCTION(swoole_coroutine_create)
{
zval *callback;
if (zend_parse_parameters(ZEND_NUM_ARGS()TSRMLS_CC, "z", &callback) == FAILURE)
{
return;
}
if (unlikely(SWOOLE_G(req_status) == PHP_SWOOLE_CALL_USER_SHUTDOWNFUNC_BEGIN))
{
zend_function *func = (zend_function *) EG(current_execute_data)->prev_execute_data->func;
zend_string *destruct = zend_string_init("__destruct", strlen("__destruct"), 0);
if (zend_string_equals(func->common.function_name, destruct))
{
zend_string_release(destruct);
swoole_php_fatal_error(E_ERROR, "can not use coroutine in __destruct after php_request_shutdown");
return;
}
zend_string_release(destruct);
}
char *func_name = NULL;
zend_fcall_info_cache *func_cache = emalloc(sizeof(zend_fcall_info_cache));
if (!sw_zend_is_callable_ex(callback, NULL, 0, &func_name, NULL, func_cache, NULL TSRMLS_CC))
{
swoole_php_fatal_error(E_ERROR, "Function '%s' is not callable", func_name);
efree(func_name);
return;
}
efree(func_name);
if (COROG.active == 0)
{
coro_init(TSRMLS_C);
}
php_swoole_check_reactor();
callback = sw_zval_dup(callback);
sw_zval_add_ref(&callback);
zval *retval = NULL;
zval *args[1];
int cid = coro_create(func_cache, args, 0, &retval, NULL, NULL);
sw_zval_free(callback);
efree(func_cache);
if (EG(exception))
{
zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
}
if (retval != NULL)
{
sw_zval_ptr_dtor(&retval);
}
if (cid < 0)
{
RETURN_FALSE;
}
else
{
RETURN_LONG(cid);
}
}
static PHP_METHOD(swoole_coroutine_util, resume)
{
long id;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &id) == FAILURE)
{
return;
}
swLinkedList *coros_list = swHashMap_find_int(defer_coros, id);
if (coros_list == NULL)
{
swoole_php_fatal_error(E_WARNING, "Nothing can coroResume.");
RETURN_FALSE;
}
php_context *context = swLinkedList_shift(coros_list);
if (context == NULL)
{
swoole_php_fatal_error(E_WARNING, "Nothing can coroResume.");
RETURN_FALSE;
}
zend_vm_stack origin_vm_stack = EG(vm_stack);
zval *origin_vm_stack_top = EG(vm_stack_top);
zval *origin_vm_stack_end = EG(vm_stack_end);
zval *retval = NULL;
zval *result;
SW_MAKE_STD_ZVAL(result);
ZVAL_BOOL(result, 1);
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(context);
EG(vm_stack) = origin_vm_stack;
EG(vm_stack_top) = origin_vm_stack_top;
EG(vm_stack_end) = origin_vm_stack_end;
RETURN_TRUE;
}
static PHP_METHOD(swoole_coroutine_util, stats)
{
array_init(return_value);
sw_add_assoc_long_ex(return_value, ZEND_STRS("coroutine_num"), COROG.coro_num);
}
static PHP_METHOD(swoole_coroutine_util, getuid)
{
RETURN_LONG(sw_get_current_cid());
}
static void php_coroutine_sleep_timeout(swTimer *timer, swTimer_node *tnode)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
ZVAL_BOOL(result, 1);
php_context *context = (php_context *) tnode->data;
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(context);
}
int php_coroutine_reactor_can_exit(swReactor *reactor)
{
return COROG.coro_num == 0;
}
static PHP_METHOD(swoole_coroutine_util, sleep)
{
coro_check(TSRMLS_C);
double seconds;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "d", & seconds) == FAILURE)
{
return;
}
int ms = (int) (seconds * 1000);
if (SwooleG.serv && swIsMaster())
{
swoole_php_fatal_error(E_WARNING, "cannot use timer in master process.");
return;
}
if (ms > SW_TIMER_MAX_VALUE)
{
swoole_php_fatal_error(E_WARNING, "The given parameters is too big.");
return;
}
if (ms <= 0)
{
swoole_php_fatal_error(E_WARNING, "Timer must be greater than 0");
return;
}
php_context *context = emalloc(sizeof(php_context));
context->onTimeout = NULL;
context->state = SW_CORO_CONTEXT_RUNNING;
php_swoole_check_reactor();
php_swoole_check_timer(ms);
if (SwooleG.timer.add(&SwooleG.timer, ms, 0, context, php_coroutine_sleep_timeout) == NULL)
{
RETURN_FALSE;
}
coro_save(context);
coro_yield();
}
static void aio_onReadCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->error == 0)
{
SW_ZVAL_STRINGL(result, event->buf, event->ret, 1);
}
else
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
php_context *context = (php_context *) event->object;
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(event->buf);
efree(context);
}
static void aio_onStreamGetLineCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->error == 0)
{
SW_ZVAL_STRINGL(result, event->buf, event->ret, 1);
}
else
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
php_context *context = (php_context *) event->object;
php_stream *stream;
php_stream_from_zval_no_verify(stream, &context->coro_params);
stream->readpos = event->offset;
stream->writepos = (long) event->req;
if (event->flags & SW_AIO_EOF)
{
stream->eof = 1;
}
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(context);
}
static void aio_onWriteCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->ret < 0)
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
else
{
ZVAL_LONG(result, event->ret);
}
php_context *context = (php_context *) event->object;
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(event->buf);
efree(context);
}
static void aio_onReadFileCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->ret < 0)
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
else
{
ZVAL_STRINGL(result, event->buf, event->ret);
sw_free(event->buf);
}
php_context *context = (php_context *) event->object;
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(event->req);
efree(context);
}
static void aio_onWriteFileCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->ret < 0)
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
else
{
ZVAL_LONG(result, event->ret);
}
php_context *context = (php_context *) event->object;
int ret = coro_resume(context, result, &retval);
if (ret == CORO_END && retval)
{
sw_zval_ptr_dtor(&retval);
}
sw_zval_ptr_dtor(&result);
efree(event->req);
efree(context);
}
static int co_socket_onReadable(swReactor *reactor, swEvent *event)
{
util_socket *sock = (util_socket *) event->socket->object;
php_context *context = &sock->context;
zval *retval = NULL;
zval result;
reactor->del(reactor, sock->fd);
if (sock->timer)
{
swTimer_del(&SwooleG.timer, sock->timer);
sock->timer = NULL;
}
int n = read(sock->fd, sock->buf->val, sock->nbytes);
if (n < 0)
{
ZVAL_FALSE(&result);
zend_string_free(sock->buf);
}
else if (n == 0)
{
ZVAL_EMPTY_STRING(&result);
zend_string_free(sock->buf);
}
else
{
sock->buf->val[n] = 0;
sock->buf->len = n;
ZVAL_STR(&result, sock->buf);
}
int ret = coro_resume(context, &result, &retval);
zval_ptr_dtor(&result);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
efree(sock);
return SW_OK;
}
static int co_socket_onWritable(swReactor *reactor, swEvent *event)
{
util_socket *sock = (util_socket *) event->socket->object;
php_context *context = &sock->context;
zval *retval = NULL;
zval result;
reactor->del(reactor, sock->fd);
if (sock->timer)
{
swTimer_del(&SwooleG.timer, sock->timer);
sock->timer = NULL;
}
int n = write(sock->fd, context->private_data, sock->nbytes);
if (n < 0)
{
SwooleG.error = errno;
ZVAL_FALSE(&result);
}
else
{
ZVAL_LONG(&result, n);
}
int ret = coro_resume(context, &result, &retval);
zval_ptr_dtor(&result);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
efree(sock);
return SW_OK;
}
static void co_socket_read(int fd, zend_long length, INTERNAL_FUNCTION_PARAMETERS)
{
php_swoole_check_reactor();
if (!swReactor_handle_isset(SwooleG.main_reactor, PHP_SWOOLE_FD_SOCKET))
{
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_CO_UTIL | SW_EVENT_READ, co_socket_onReadable);
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_CO_UTIL | SW_EVENT_WRITE, co_socket_onWritable);
}
if (SwooleG.main_reactor->add(SwooleG.main_reactor, fd, PHP_SWOOLE_FD_CO_UTIL | SW_EVENT_READ) < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
swConnection *_socket = swReactor_get(SwooleG.main_reactor, fd);
util_socket *sock = emalloc(sizeof(util_socket));
bzero(sock, sizeof(util_socket));
_socket->object = sock;
sock->fd = fd;
sock->buf = zend_string_alloc(length + 1, 0);
sock->nbytes = length <= 0 ? SW_BUFFER_SIZE_STD : length;
sock->context.onTimeout = NULL;
sock->context.state = SW_CORO_CONTEXT_RUNNING;
coro_save(&sock->context);
coro_yield();
}
static void co_socket_write(int fd, char* str, size_t l_str, INTERNAL_FUNCTION_PARAMETERS)
{
int ret = write(fd, str, l_str);
if (ret < 0)
{
if (errno == EAGAIN)
{
goto _yield;
}
SwooleG.error = errno;
RETURN_FALSE;
}
else
{
RETURN_LONG(ret);
}
_yield: if (SwooleG.main_reactor->add(SwooleG.main_reactor, fd, PHP_SWOOLE_FD_SOCKET | SW_EVENT_WRITE) < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
swConnection *_socket = swReactor_get(SwooleG.main_reactor, fd);
util_socket *sock = emalloc(sizeof(util_socket));
bzero(sock, sizeof(util_socket));
_socket->object = sock;
php_context *context = &sock->context;
context->state = SW_CORO_CONTEXT_RUNNING;
context->onTimeout = NULL;
context->private_data = str;
sock->nbytes = l_str;
coro_save(context);
coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fread)
{
coro_check(TSRMLS_C);
zval *handle;
zend_long length = 0;
#ifdef FAST_ZPP
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_RESOURCE(handle)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(length)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &handle, &length) == FAILURE)
{
return;
}
#endif
int async;
int fd = swoole_convert_to_fd_ex(handle, &async TSRMLS_CC);
if (fd < 0)
{
RETURN_FALSE;
}
if (async)
{
co_socket_read(fd, length, INTERNAL_FUNCTION_PARAM_PASSTHRU);
return;
}
struct stat file_stat;
if (fstat(fd, &file_stat) < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
off_t _seek = lseek(fd, 0, SEEK_CUR);
if (_seek < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
if (length <= 0 || file_stat.st_size - _seek < length)
{
length = file_stat.st_size - _seek;
}
swAio_event ev;
bzero(&ev, sizeof(swAio_event));
ev.nbytes = length + 1;
ev.buf = emalloc(ev.nbytes);
if (!ev.buf)
{
RETURN_FALSE;
}
php_context *context = emalloc(sizeof(php_context));
((char *) ev.buf)[length] = 0;
ev.flags = 0;
ev.type = SW_AIO_READ;
ev.object = context;
ev.callback = aio_onReadCompleted;
ev.fd = fd;
ev.offset = _seek;
if (!SwooleAIO.init)
{
php_swoole_check_reactor();
swAio_init();
}
swTrace("fd=%d, offset=%ld, length=%ld", fd, ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->onTimeout = NULL;
context->state = SW_CORO_CONTEXT_RUNNING;
coro_save(context);
coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fgets)
{
coro_check(TSRMLS_C);
zval *handle;
php_stream *stream;
#ifdef FAST_ZPP
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_RESOURCE(handle)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &handle) == FAILURE)
{
return;
}
#endif
int async;
int fd = swoole_convert_to_fd_ex(handle, &async);
if (fd < 0)
{
RETURN_FALSE;
}
if (async == 1)
{
swoole_php_fatal_error(E_WARNING, "only support file resources.");
RETURN_FALSE;
}
swAio_event ev;
bzero(&ev, sizeof(swAio_event));
php_stream_from_res(stream, Z_RES_P(handle));
if (stream->readbuf == NULL)
{
stream->readbuflen = stream->chunk_size;
stream->readbuf = emalloc(stream->chunk_size);
}
ev.nbytes = stream->readbuflen;
ev.buf = stream->readbuf;
if (!ev.buf)
{
RETURN_FALSE;
}
php_context *context = emalloc(sizeof(php_context));
ev.flags = 0;
ev.type = SW_AIO_STREAM_GET_LINE;
ev.object = context;
ev.callback = aio_onStreamGetLineCompleted;
ev.fd = fd;
ev.offset = stream->readpos;
ev.req = (void *) (long) stream->writepos;
if (!SwooleAIO.init)
{
php_swoole_check_reactor();
swAio_init();
}
swTrace("fd=%d, offset=%ld, length=%ld", fd, ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->coro_params = *handle;
context->onTimeout = NULL;
context->state = SW_CORO_CONTEXT_RUNNING;
coro_save(context);
coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fwrite)
{
coro_check(TSRMLS_C);
zval *handle;
char *str;
zend_size_t l_str;
zend_long length = 0;
#ifdef FAST_ZPP
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_RESOURCE(handle)
Z_PARAM_STRING(str, l_str)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(length)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &handle, &str, &l_str, &length) == FAILURE)
{
return;
}
#endif
int async;
int fd = swoole_convert_to_fd_ex(handle, &async TSRMLS_CC);
if (fd < 0)
{
RETURN_FALSE;
}
if (async)
{
co_socket_write(fd, str, (length < 0 && length < l_str) ? length : l_str, INTERNAL_FUNCTION_PARAM_PASSTHRU);
return;
}
off_t _seek = lseek(fd, 0, SEEK_CUR);
if (_seek < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
if (length <= 0 || length > l_str)
{
length = l_str;
}
swAio_event ev;
bzero(&ev, sizeof(swAio_event));
ev.nbytes = length;
ev.buf = estrndup(str, length);
if (!ev.buf)
{
RETURN_FALSE;
}
php_context *context = emalloc(sizeof(php_context));
ev.flags = 0;
ev.type = SW_AIO_WRITE;
ev.object = context;
ev.callback = aio_onWriteCompleted;
ev.fd = fd;
ev.offset = _seek;
php_swoole_check_aio();
swTrace("fd=%d, offset=%ld, length=%ld", fd, ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->onTimeout = NULL;
context->state = SW_CORO_CONTEXT_RUNNING;
coro_save(context);
coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, readFile)
{
coro_check(TSRMLS_C);
char *filename = NULL;
size_t l_filename = 0;
#ifdef FAST_ZPP
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_STRING(filename, l_filename)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &l_filename) == FAILURE)
{
return;
}
#endif
swAio_event ev;
bzero(&ev, sizeof(swAio_event));
php_context *context = emalloc(sizeof(php_context));
ev.type = SW_AIO_READ_FILE;
ev.object = context;
ev.callback = aio_onReadFileCompleted;
ev.req = estrndup(filename, l_filename);
if (!SwooleAIO.init)
{
php_swoole_check_reactor();
swAio_init();
}