Yu1709$!%yuyu!$%wutu!5=126+

                
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 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: swoole_buffer.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@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: Tianfeng Han  <rango@swoole.com>                             |
  +----------------------------------------------------------------------+
*/

#pragma once

#include <queue>
#include <sys/uio.h>

namespace swoole {

struct BufferChunk {
    enum Type {
        TYPE_DATA,
        TYPE_SENDFILE,
        TYPE_CLOSE,
    };

Type type;
    uint32_t length = 0;
    uint32_t offset = 0;
    union {
        char *str;
        void *ptr;
        uint32_t u32;
        uint64_t u64;
    } value{};
    uint32_t size = 0;

BufferChunk(Type type, uint32_t size);
    ~BufferChunk();

void (*destroy)(BufferChunk *chunk) = nullptr;
};

class Buffer {
  private:
    // 0: donot use chunk
    uint32_t chunk_size;
    uint32_t total_length = 0;
    std::queue<BufferChunk *> queue_;

public:
    explicit Buffer(uint32_t chunk_size);
    ~Buffer();

BufferChunk *alloc(BufferChunk::Type type, uint32_t size);

BufferChunk *front() {
        return queue_.front();
    }

void pop();
    void append(const void *data, uint32_t size);
    void append(const struct iovec *iov, size_t iovcnt, off_t offset);

uint32_t length() const {
        return total_length;
    }

size_t count() const {
        return queue_.size();
    }

bool empty() const {
        return queue_.empty();
    }

static bool empty(Buffer *buffer) {
        return buffer == nullptr || buffer->queue_.empty();
    }
};

}  // namespace swoole

Name	Type	Actions
swoole.h	File
swoole_api.h	File
swoole_asm_context.h	File
swoole_async.h	File
swoole_atomic.h	File
swoole_base64.h	File
swoole_buffer.h	File
swoole_c_api.h	File
swoole_channel.h	File
swoole_client.h	File
swoole_config.h	File
swoole_coroutine.h	File
swoole_coroutine_c_api.h	File
swoole_coroutine_channel.h	File
swoole_coroutine_context.h	File
swoole_coroutine_socket.h	File
swoole_coroutine_system.h	File
swoole_dtls.h	File
swoole_error.h	File
swoole_file.h	File
swoole_file_hook.h	File
swoole_hash.h	File
swoole_heap.h	File
swoole_http.h	File
swoole_http2.h	File
swoole_iouring.h	File
swoole_lock.h	File
swoole_log.h	File
swoole_lru_cache.h	File
swoole_memory.h	File
swoole_message_bus.h	File
swoole_mime_type.h	File
swoole_mqtt.h	File
swoole_msg_queue.h	File
swoole_pipe.h	File
swoole_process_pool.h	File
swoole_protocol.h	File
swoole_proxy.h	File
swoole_reactor.h	File
swoole_redis.h	File
swoole_server.h	File
swoole_signal.h	File
swoole_socket.h	File
swoole_socket_hook.h	File
swoole_ssl.h	File
swoole_static_handler.h	File
swoole_string.h	File
swoole_table.h	File
swoole_thread.h	File
swoole_timer.h	File
swoole_util.h	File
swoole_version.h	File
swoole_websocket.h	File
swoole_wheel_timer.h	File