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swoole_coroutine_util.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: Xinyu Zhu <[email protected]> |
| shiguangqi <[email protected]> |
| Tianfeng Han <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#include "swoole_coroutine.h"
#include "socket.h"
#include "coroutine_c_api.h"
#include "async.h"
#include "zend_builtin_functions.h"
#include "ext/standard/file.h"
#include <sys/file.h>
#include <sys/statvfs.h>
#include <unordered_map>
using namespace swoole;
typedef struct
{
php_context context;
int fd;
zend_string *buf;
uint32_t nbytes;
swTimer_node *timer;
} util_socket;
typedef struct
{
std::unordered_map<long, Coroutine*>::iterator _cursor;
int index;
} coroutine_iterator;
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_ARG_VARIADIC_INFO(0, params)
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_defer, 0, 0, 1)
ZEND_ARG_INFO(0, callback)
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()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_statvfs, 0, 0, 1)
ZEND_ARG_INFO(0, path)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_coroutine_getBackTrace, 0, 0, 1)
ZEND_ARG_INFO(0, cid)
ZEND_ARG_INFO(0, options)
ZEND_ARG_INFO(0, limit)
ZEND_END_ARG_INFO()
static PHP_METHOD(swoole_coroutine_util, set);
static PHP_METHOD(swoole_coroutine_util, yield);
static PHP_METHOD(swoole_coroutine_util, resume);
static PHP_METHOD(swoole_coroutine_util, stats);
static PHP_METHOD(swoole_coroutine_util, getCid);
static PHP_METHOD(swoole_coroutine_util, listCoroutines);
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, statvfs);
static PHP_METHOD(swoole_coroutine_util, getaddrinfo);
static PHP_METHOD(swoole_coroutine_util, readFile);
static PHP_METHOD(swoole_coroutine_util, writeFile);
static PHP_METHOD(swoole_coroutine_util, getBackTrace);
static PHP_METHOD(swoole_coroutine_iterator, count);
static PHP_METHOD(swoole_coroutine_iterator, rewind);
static PHP_METHOD(swoole_coroutine_iterator, next);
static PHP_METHOD(swoole_coroutine_iterator, current);
static PHP_METHOD(swoole_coroutine_iterator, key);
static PHP_METHOD(swoole_coroutine_iterator, valid);
static PHP_METHOD(swoole_coroutine_iterator, __destruct);
static PHP_METHOD(swoole_exit_exception, getFlags);
static PHP_METHOD(swoole_exit_exception, getStatus);
static std::unordered_map<int, Coroutine *> user_yield_coros;
static zend_class_entry swoole_coroutine_util_ce;
static zend_class_entry *swoole_coroutine_util_ce_ptr;
static zend_object_handlers swoole_coroutine_util_handlers;
static zend_class_entry swoole_coroutine_iterator_ce;
static zend_class_entry *swoole_coroutine_iterator_ce_ptr;
static zend_object_handlers swoole_coroutine_iterator_handlers;
static zend_class_entry swoole_exit_exception_ce;
static zend_class_entry *swoole_exit_exception_ce_ptr;
static zend_object_handlers swoole_exit_exception_handlers;
BEGIN_EXTERN_C()
extern int swoole_coroutine_statvfs(const char *path, struct statvfs *buf);
END_EXTERN_C()
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)
ZEND_FENTRY(gethostbyname, ZEND_FN(swoole_coroutine_gethostbyname), arginfo_swoole_coroutine_gethostbyname, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
ZEND_FENTRY(defer, ZEND_FN(swoole_coroutine_defer), arginfo_swoole_coroutine_defer, 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, yield, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_MALIAS(swoole_coroutine_util, suspend, yield, 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, getCid, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_MALIAS(swoole_coroutine_util, getuid, getCid, 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, getaddrinfo, arginfo_swoole_coroutine_getaddrinfo, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, statvfs, arginfo_swoole_coroutine_statvfs, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, getBackTrace, arginfo_swoole_coroutine_getBackTrace, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(swoole_coroutine_util, listCoroutines, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_FE_END
};
static const zend_function_entry iterator_methods[] =
{
PHP_ME(swoole_coroutine_iterator, rewind, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, next, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, current, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, key, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, valid, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, count, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_coroutine_iterator, __destruct, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static const zend_function_entry swoole_exit_exception_methods[] =
{
PHP_ME(swoole_exit_exception, getFlags, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_exit_exception, getStatus, arginfo_swoole_coroutine_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
static user_opcode_handler_t ori_exit_handler = NULL;
enum sw_exit_flags
{
SW_EXIT_IN_COROUTINE = 1 << 1,
SW_EXIT_IN_SERVER = 1 << 2
};
static int coro_exit_handler(zend_execute_data *execute_data)
{
zval ex;
zend_object *obj;
zend_long flags = 0;
if (sw_coro_is_in())
{
flags |= SW_EXIT_IN_COROUTINE;
}
if (SwooleG.serv && SwooleG.serv->gs->start)
{
flags |= SW_EXIT_IN_SERVER;
}
if (flags == SW_EXIT_IN_COROUTINE && swCoroG.count() == 1)
{
php_swoole_event_exit();
}
else if (flags)
{
const zend_op *opline = EX(opline);
zval _exit_status;
zval *exit_status = NULL;
if (opline->op1_type != IS_UNUSED)
{
if (opline->op1_type == IS_CONST)
{
// see: https://github.com/php/php-src/commit/e70618aff6f447a298605d07648f2ce9e5a284f5
#ifdef EX_CONSTANT
exit_status = EX_CONSTANT(opline->op1);
#else
exit_status = RT_CONSTANT(opline, opline->op1);
#endif
}
else
{
exit_status = EX_VAR(opline->op1.var);
}
if (Z_ISREF_P(exit_status))
{
exit_status = Z_REFVAL_P(exit_status);
}
ZVAL_DUP(&_exit_status, exit_status);
exit_status = &_exit_status;
}
else
{
exit_status = &_exit_status;
ZVAL_NULL(exit_status);
}
obj = zend_throw_error_exception(swoole_exit_exception_ce_ptr, "swoole exit.", 0, E_ERROR);
ZVAL_OBJ(&ex, obj);
zend_update_property_long(swoole_exit_exception_ce_ptr, &ex, ZEND_STRL("flags"), flags);
Z_TRY_ADDREF_P(exit_status);
zend_update_property(swoole_exit_exception_ce_ptr, &ex, ZEND_STRL("status"), exit_status);
}
return ZEND_USER_OPCODE_DISPATCH;
}
void swoole_coroutine_util_init(int module_number)
{
coro_init();
SWOOLE_INIT_CLASS_ENTRY(swoole_coroutine_util, "Swoole\\Coroutine", "swoole_coroutine", "Co", swoole_coroutine_util_methods);
SWOOLE_SET_CLASS_SERIALIZABLE(swoole_coroutine_util, zend_class_serialize_deny, zend_class_unserialize_deny);
SWOOLE_SET_CLASS_CLONEABLE(swoole_coroutine_util, zend_class_clone_deny);
SWOOLE_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_coroutine_util, zend_class_unset_property_deny);
SWOOLE_INIT_CLASS_ENTRY(swoole_coroutine_iterator, "Swoole\\Coroutine\\Iterator", NULL, "Co\\Iterator", iterator_methods);
SWOOLE_SET_CLASS_SERIALIZABLE(swoole_coroutine_iterator, zend_class_serialize_deny, zend_class_unserialize_deny);
SWOOLE_SET_CLASS_CLONEABLE(swoole_coroutine_iterator, zend_class_clone_deny);
SWOOLE_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_coroutine_iterator, zend_class_unset_property_deny);
zend_class_implements(swoole_coroutine_iterator_ce_ptr, 1, zend_ce_iterator);
#ifdef SW_HAVE_COUNTABLE
zend_class_implements(swoole_coroutine_iterator_ce_ptr, 1, zend_ce_countable);
#endif
SWOOLE_DEFINE(DEFAULT_MAX_CORO_NUM);
SWOOLE_DEFINE(MAX_CORO_NUM_LIMIT);
SWOOLE_DEFINE(MAX_CORO_NESTING_LEVEL);
SWOOLE_DEFINE(CORO_INIT);
SWOOLE_DEFINE(CORO_WAITING);
SWOOLE_DEFINE(CORO_RUNNING);
SWOOLE_DEFINE(CORO_END);
//prohibit exit in coroutine
SWOOLE_INIT_CLASS_ENTRY_EX(swoole_exit_exception, "Swoole\\ExitException", NULL, NULL, swoole_exit_exception_methods, swoole_exception);
SWOOLE_DEFINE(EXIT_IN_COROUTINE);
SWOOLE_DEFINE(EXIT_IN_SERVER);
if (SWOOLE_G(cli))
{
ori_exit_handler = zend_get_user_opcode_handler(ZEND_EXIT);
zend_set_user_opcode_handler(ZEND_EXIT, coro_exit_handler);
}
}
static PHP_METHOD(swoole_exit_exception, getFlags)
{
RETURN_LONG(Z_LVAL_P(sw_zend_read_property(Z_OBJCE_P(getThis()), getThis(), ZEND_STRL("flags"), 1)));
}
static PHP_METHOD(swoole_exit_exception, getStatus)
{
RETURN_ZVAL(sw_zend_read_property(Z_OBJCE_P(getThis()), getThis(), ZEND_STRL("status"), 1), 0, 0);
}
/*
* suspend current coroutine
*/
static PHP_METHOD(swoole_coroutine_util, yield)
{
Coroutine* co = coroutine_get_current();
if (unlikely(!co))
{
swoole_php_fatal_error(E_ERROR, "can not yield outside coroutine");
RETURN_FALSE;
}
user_yield_coros[co->get_cid()] = co;
co->yield();
RETURN_TRUE;
}
static PHP_METHOD(swoole_coroutine_util, set)
{
zval *zset = NULL;
HashTable *vht = NULL;
zval *v;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zset) == FAILURE)
{
RETURN_FALSE;
}
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 = (uint64_t) Z_LVAL_P(v);
if (COROG.max_coro_num <= 0)
{
COROG.max_coro_num = SW_DEFAULT_MAX_CORO_NUM;
}
}
if (php_swoole_array_get_value(vht, "stack_size", v))
{
convert_to_long(v);
COROG.stack_size = (uint32_t) Z_LVAL_P(v);
sw_coro_set_stack_size(COROG.stack_size);
}
if (php_swoole_array_get_value(vht, "socket_connect_timeout", v))
{
convert_to_double(v);
COROG.socket_connect_timeout = (double) Z_DVAL_P(v);
}
if (php_swoole_array_get_value(vht, "socket_timeout", v))
{
convert_to_double(v);
COROG.socket_timeout = (double) Z_DVAL_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);
}
zval_ptr_dtor(zset);
}
PHP_FUNCTION(swoole_coroutine_create)
{
zend_fcall_info fci = empty_fcall_info;
zend_fcall_info_cache fci_cache = empty_fcall_info_cache;
ZEND_PARSE_PARAMETERS_START(1, -1)
Z_PARAM_FUNC(fci, fci_cache)
Z_PARAM_VARIADIC('*', fci.params, fci.param_count)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
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;
if (unlikely(memcmp(ZSTR_VAL(func->common.function_name), ZEND_STRS("__destruct")) == 0))
{
swoole_php_fatal_error(E_ERROR, "can not use coroutine in __destruct after php_request_shutdown");
RETURN_FALSE;
}
}
long cid = sw_coro_create(&fci_cache, fci.param_count, fci.params);
if (likely(cid > 0))
{
RETURN_LONG(cid);
}
else
{
RETURN_FALSE;
}
}
static PHP_METHOD(swoole_coroutine_util, resume)
{
long cid;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &cid) == FAILURE)
{
RETURN_FALSE;
}
auto coroutine_iterator = user_yield_coros.find(cid);
if (coroutine_iterator == user_yield_coros.end())
{
swoole_php_fatal_error(E_WARNING, "you can not resume the coroutine which is in IO operation.");
RETURN_FALSE;
}
Coroutine* co = coroutine_iterator->second;
user_yield_coros.erase(cid);
co->resume();
RETURN_TRUE;
}
static PHP_METHOD(swoole_coroutine_util, stats)
{
array_init(return_value);
add_assoc_long_ex(return_value, ZEND_STRL("stack_size"), COROG.stack_size);
add_assoc_long_ex(return_value, ZEND_STRL("coroutine_num"), swCoroG.count());
add_assoc_long_ex(return_value, ZEND_STRL("coroutine_peak_num"), COROG.peak_coro_num);
}
static PHP_METHOD(swoole_coroutine_util, getCid)
{
RETURN_LONG(sw_get_current_cid());
}
int php_coroutine_reactor_can_exit(swReactor *reactor)
{
return swCoroG.count() == 0;
}
static PHP_METHOD(swoole_coroutine_util, sleep)
{
coro_check();
double seconds;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "d", & seconds) == FAILURE)
{
RETURN_FALSE;
}
int ms = (int) (seconds * 1000);
if (SwooleG.serv && swIsMaster())
{
swoole_php_fatal_error(E_WARNING, "cannot use timer in master process.");
return;
}
if (ms <= 0)
{
swoole_php_fatal_error(E_WARNING, "Timer must be greater than 0");
return;
}
php_swoole_check_reactor();
Coroutine::sleep(seconds);
RETURN_TRUE;
}
static void aio_onReadCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->error == 0)
{
ZVAL_STRINGL(result, (char* )event->buf, event->ret);
}
else
{
SwooleG.error = event->error;
ZVAL_BOOL(result, 0);
}
php_context *context = (php_context *) event->object;
int ret = sw_coro_resume(context, result, retval);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
zval_ptr_dtor(result);
efree(event->buf);
efree(context);
}
static void aio_onFgetsCompleted(swAio_event *event)
{
zval *retval = NULL;
zval *result = NULL;
SW_MAKE_STD_ZVAL(result);
if (event->ret != -1)
{
ZVAL_STRING(result, (char* )event->buf);
}
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);
if (event->flags & SW_AIO_EOF)
{
stream->eof = 1;
}
int ret = sw_coro_resume(context, result, retval);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
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 = sw_coro_resume(context, result, retval);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
zval_ptr_dtor(result);
efree(event->buf);
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 = sw_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 = sw_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 = (util_socket *) 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.state = SW_CORO_CONTEXT_RUNNING;
sw_coro_save(return_value, &sock->context);
sw_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 = (util_socket *) emalloc(sizeof(util_socket));
bzero(sock, sizeof(util_socket));
_socket->object = sock;
php_context *context = &sock->context;
context->state = SW_CORO_CONTEXT_RUNNING;
context->private_data = str;
sock->nbytes = l_str;
sw_coro_save(return_value, context);
sw_coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fread)
{
coro_check();
zval *handle;
zend_long length = 0;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_RESOURCE(handle)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(length)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
int async;
int fd = swoole_convert_to_fd_ex(handle, &async);
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)
{
if (_seek >= file_stat.st_size)
{
length = SW_BUFFER_SIZE_STD;
}
else
{
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 = (php_context *) emalloc(sizeof(php_context));
((char *) ev.buf)[length] = 0;
ev.flags = 0;
ev.type = SW_AIO_READ;
ev.object = context;
ev.handler = swAio_handler_read;
ev.callback = aio_onReadCompleted;
ev.fd = fd;
ev.offset = _seek;
php_swoole_check_aio();
swTrace("fd=%d, offset=%jd, length=%ld", fd, (intmax_t) ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->state = SW_CORO_CONTEXT_RUNNING;
sw_coro_save(return_value, context);
sw_coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fgets)
{
coro_check();
zval *handle;
php_stream *stream;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_RESOURCE(handle)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
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));
FILE *file;
if (stream->stdiocast)
{
file = stream->stdiocast;
}
else
{
if (php_stream_cast(stream, PHP_STREAM_AS_STDIO, (void**)&file, 1) != SUCCESS || file == NULL)
{
RETURN_FALSE
}
}
if (stream->readbuf == NULL)
{
stream->readbuflen = stream->chunk_size;
stream->readbuf = (uchar *) emalloc(stream->chunk_size);
}
ev.nbytes = stream->readbuflen;
ev.buf = stream->readbuf;
if (!ev.buf)
{
RETURN_FALSE;
}
php_context *context = (php_context *) emalloc(sizeof(php_context));
ev.flags = 0;
ev.type = SW_AIO_FGETS;
ev.object = context;
ev.callback = aio_onFgetsCompleted;
ev.handler = swAio_handler_fgets;
ev.fd = fd;
ev.req = (void *) file;
php_swoole_check_aio();
swTrace("fd=%d, offset=%jd, length=%ld", fd, (intmax_t) ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->coro_params = *handle;
context->state = SW_CORO_CONTEXT_RUNNING;
sw_coro_save(return_value, context);
sw_coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, fwrite)
{
coro_check();
zval *handle;
char *str;
size_t l_str;
zend_long length = 0;
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);
int async;
int fd = swoole_convert_to_fd_ex(handle, &async);
if (fd < 0)
{
RETURN_FALSE;
}
if (async)
{
co_socket_write(fd, str, (length <= 0 || (size_t) length > l_str) ? l_str : length, INTERNAL_FUNCTION_PARAM_PASSTHRU);
return;
}
off_t _seek = lseek(fd, 0, SEEK_CUR);
if (_seek < 0)
{
SwooleG.error = errno;
RETURN_FALSE;
}
if (length <= 0 || (size_t) 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 = (php_context *) emalloc(sizeof(php_context));
ev.flags = 0;
ev.type = SW_AIO_WRITE;
ev.object = context;
ev.handler = swAio_handler_write;
ev.callback = aio_onWriteCompleted;
ev.fd = fd;
ev.offset = _seek;
php_swoole_check_aio();
swTrace("fd=%d, offset=%jd, length=%ld", fd, (intmax_t) ev.offset, ev.nbytes);
int ret = swAio_dispatch(&ev);
if (ret < 0)
{
efree(context);
RETURN_FALSE;
}
context->state = SW_CORO_CONTEXT_RUNNING;
sw_coro_save(return_value, context);
sw_coro_yield();
}
static PHP_METHOD(swoole_coroutine_util, readFile)
{
coro_check();
char *filename = NULL;
size_t l_filename = 0;
zend_long flags = 0;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STRING(filename, l_filename)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(flags)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
php_swoole_check_aio();
swString *result = Coroutine::read_file(filename, flags & LOCK_EX);
if (result == NULL)