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?? php_swoole_call_stack.h(1.81 KB)
?? php_swoole_client.h(2.79 KB)
?? php_swoole_coroutine.h(9.85 KB)
?? php_swoole_coroutine_system.h(1.89 KB)
?? php_swoole_curl.h(5.07 KB)
?? php_swoole_cxx.h(27.05 KB)
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?? php_swoole_thread.h(10.78 KB)
?? php_swoole_websocket.h(2.49 KB)
?? swoole_curl_interface.h(2.31 KB)

Editing: php_swoole_curl.h

/*
 +----------------------------------------------------------------------+
 | 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  <rango@swoole.com>                             |
 +----------------------------------------------------------------------+
 */

#pragma once

#include "php_swoole_cxx.h"

#ifdef SW_USE_CURL
#include "swoole_util.h"

SW_EXTERN_C_BEGIN
#include <curl/curl.h>
#include <curl/multi.h>
#if PHP_VERSION_ID >= 80400
#include "thirdparty/php84/curl/curl_private.h"
#else
#include "thirdparty/php/curl/curl_private.h"
#endif
SW_EXTERN_C_END

#if LIBCURL_VERSION_NUM < 0x073800
#error "require cURL version 7.56.0 or later"
#endif

#include <unordered_set>

CURLcode swoole_curl_easy_perform(CURL *cp);
php_curl *swoole_curl_get_handle(zval *zid, bool exclusive = true, bool required = true);
void swoole_curl_easy_reset(CURL *curl);

namespace swoole {
namespace curl {

class Multi;

struct Socket {
    Multi *multi;
    network::Socket *socket;
    int bitmask;
    int sockfd;
    int action;
    bool deleted;
};

struct Handle {
    CURL *cp;
    Multi *multi;
    /**
     * This is only for the swoole_curl_easy_perform function,
     * and it has a one-to-one relationship with the curl handle.
     * It must be destroyed when the curl handle is released.
     */
    Multi *easy_multi;

explicit Handle(CURL *_cp) {
        cp = _cp;
        multi = nullptr;
        easy_multi = nullptr;
    }
};

Handle *get_handle(CURL *cp);
Handle *create_handle(CURL *ch);
void destroy_handle(CURL *ch);

struct Selector {
    bool timer_callback = false;
    bool executing = false;
    std::unordered_set<Socket *> active_sockets;
    std::unordered_set<Socket *> release_sockets;
};

class Multi {
    CURLM *multi_handle_;
    TimerNode *timer = nullptr;
    long timeout_ms_ = 0;
    Coroutine *co = nullptr;
    int running_handles_ = 0;
    bool defer_callback = false;
    Selector selector;
    std::unordered_map<curl_socket_t, Socket *> sockets;

CURLcode read_info() const;

int set_event(void *socket_ptr, curl_socket_t sockfd, int action);
    int del_event(void *socket_ptr, curl_socket_t sockfd);
    void selector_finish();
    void selector_prepare();

bool wait_event() const {
        return timer || !sockets.empty();
    }

void add_timer(long timeout_ms) {
        if (timer && swoole_timer_is_available()) {
            swoole_timer_del(timer);
        }
        timeout_ms_ = timeout_ms;
        timer = swoole_timer_add(timeout_ms, false, [this](Timer *_timer, TimerNode *tnode) {
            timer = nullptr;
            callback(nullptr, 0);
        });
    }

void del_timer() {
        if (timer && swoole_timer_is_available()) {
            swoole_timer_del(timer);
            timeout_ms_ = -1;
            timer = nullptr;
        }
    }

void set_timer() {
        long _timeout_ms = 0;
        curl_multi_timeout(multi_handle_, &_timeout_ms);
        handle_timeout(multi_handle_, _timeout_ms, this);
    }

public:
    Multi();
    ~Multi();

CURLM *get_multi_handle() const {
        return multi_handle_;
    }

int get_running_handles() const {
        return running_handles_;
    }

CURLMcode add_handle(Handle *handle);
    CURLMcode remove_handle(Handle *handle) const;

CURLMcode perform() {
        return curl_multi_perform(multi_handle_, &running_handles_);
    }

int get_event(int action) {
        return action == CURL_POLL_IN ? SW_EVENT_READ : SW_EVENT_WRITE;
    }

Coroutine *check_bound_co() {
        if (co) {
            Coroutine::set_socket_bound_cid(co->get_cid());
            swoole_fatal_error(SW_ERROR_CO_HAS_BEEN_BOUND,
                               "This cURL handle is currently executing in coroutine#%ld, cannot be operated",
                               co->get_cid());
            return nullptr;
        }
        return Coroutine::get_current_safe();
    }

CURLcode exec(Handle *handle);
    long select(php_curlm *mh, double timeout = -1);
    void callback(Socket *curl_socket, int bitmask, int sockfd = -1);

static int cb_readable(Reactor *reactor, Event *event);
    static int cb_writable(Reactor *reactor, Event *event);
    static int cb_error(Reactor *reactor, Event *event);
    static int handle_socket(CURL *easy, curl_socket_t s, int action, void *userp, void *socketp);
    static int handle_timeout(CURLM *multi, long timeout_ms, void *userp);
};
};  // namespace curl
}  // namespace swoole
#endif

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Editing: php_swoole_curl.h

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