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?? swoole.h(26.96 KB)
?? swoole_api.h(2.02 KB)
?? swoole_asm_context.h(2.31 KB)
?? swoole_async.h(3.29 KB)
?? swoole_atomic.h(2.3 KB)
?? swoole_base64.h(1.3 KB)
?? swoole_buffer.h(2.24 KB)
?? swoole_channel.h(2.37 KB)
?? swoole_client.h(11.75 KB)
?? swoole_config.h(8.79 KB)
?? swoole_coroutine.h(8.92 KB)
?? swoole_coroutine_api.h(5.12 KB)
?? swoole_coroutine_channel.h(4.17 KB)
?? swoole_coroutine_context.h(2.75 KB)
?? swoole_coroutine_socket.h(17.64 KB)
?? swoole_coroutine_system.h(3.78 KB)
?? swoole_dtls.h(2.42 KB)
?? swoole_error.h(6.46 KB)
?? swoole_file.h(4.88 KB)
?? swoole_file_hook.h(2.76 KB)
?? swoole_hash.h(1.24 KB)
?? swoole_heap.h(1.9 KB)
?? swoole_http.h(7.24 KB)
?? swoole_http2.h(8.55 KB)
?? swoole_iouring.h(5.52 KB)
?? swoole_llhttp.h(2.02 KB)
?? swoole_lock.h(3.25 KB)
?? swoole_log.h(15.71 KB)
?? swoole_lru_cache.h(3.18 KB)
?? swoole_memory.h(2.83 KB)
?? swoole_message_bus.h(5.18 KB)
?? swoole_mime_type.h(1.42 KB)
?? swoole_mqtt.h(2.16 KB)
?? swoole_msg_queue.h(1.96 KB)
?? swoole_pipe.h(2.6 KB)
?? swoole_process_pool.h(13.17 KB)
?? swoole_protocol.h(5.03 KB)
?? swoole_proxy.h(3.3 KB)
?? swoole_reactor.h(12.4 KB)
?? swoole_redis.h(1.83 KB)
?? swoole_server.h(49.72 KB)
?? swoole_signal.h(2.99 KB)
?? swoole_socket.h(18.51 KB)
?? swoole_socket_hook.h(2.31 KB)
?? swoole_socket_impl.h(1.43 KB)
?? swoole_ssl.h(5.22 KB)
?? swoole_static_handler.h(5.21 KB)
?? swoole_string.h(7.32 KB)
?? swoole_table.h(6.5 KB)
?? swoole_thread.h(1.99 KB)
?? swoole_timer.h(4.37 KB)
?? swoole_uring_socket.h(3.84 KB)
?? swoole_util.h(7.49 KB)
?? swoole_version.h(1.74 KB)
?? swoole_websocket.h(5.11 KB)

Editing: swoole_message_bus.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 "swoole_string.h"
#include "swoole_socket.h"
#include "swoole_protocol.h"

#include <unordered_map>

namespace swoole {
struct PipeBuffer {
    DataHead info;
    char data[0];

bool is_begin() const {
        return info.flags & SW_EVENT_DATA_BEGIN;
    }

bool is_chunked() const {
        return info.flags & SW_EVENT_DATA_CHUNK;
    }

bool is_end() const {
        return info.flags & SW_EVENT_DATA_END;
    }
};

struct PacketPtr {
    size_t length;
    char *data;
};

struct DgramPacket {
    SocketType socket_type;
    network::Address socket_addr;
    uint32_t length;
    char data[0];
};

struct PacketTask {
    size_t length;
    char tmpfile[SW_TASK_TMP_PATH_SIZE];
};

class MessageBus {
  private:
    const Allocator *allocator_;
    std::unordered_map<uint64_t, std::shared_ptr<String>> packet_pool_;
    std::vector<network::Socket *> pipe_sockets_;
    std::function<uint64_t(void)> id_generator_;
    size_t buffer_size_;
    PipeBuffer *buffer_ = nullptr;
    bool always_chunked_transfer_ = false;

String *get_packet_buffer();
    ReturnCode prepare_packet(uint16_t &recv_chunk_count, String *packet_buffer);

public:
    MessageBus() {
        allocator_ = sw_std_allocator();
        buffer_size_ = SW_BUFFER_SIZE_STD;
    }

~MessageBus();

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

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

void clear() {
        packet_pool_.clear();
    }

void set_allocator(const Allocator *allocator) {
        allocator_ = allocator;
    }

void set_id_generator(const std::function<uint64_t(void)> &id_generator) {
        id_generator_ = id_generator;
    }

void set_buffer_size(size_t buffer_size) {
        buffer_size_ = buffer_size;
    }

void set_always_chunked_transfer() {
        always_chunked_transfer_ = true;
    }

size_t get_buffer_size() const {
        return buffer_size_;
    }

size_t get_memory_size() const;
    bool alloc_buffer();

/**
     * If use the zend_string_allocator, must manually call this function to release the memory,
     * otherwise coredump will occur when php shutdown, because zend_string has been released
     */
    void free_buffer() {
        allocator_->free(buffer_);
        buffer_ = nullptr;
    }

void pass(const SendData *task) const;

/**
     * Send data to socket. If the data sent is larger than Server::ipc_max_size, then it is sent in chunks.
     * Otherwise, send it directly.
     * When sending data in multi-thread environment, must use get_pipe_socket() to separate socket memory.
     * @return: send success returns true, send failure returns false.
     */
    bool write(network::Socket *sock, SendData *packet) const;
    /**
     * Receive data from socket, if only one chunk is received, packet will be saved in packet_pool.
     * Then continue to listen to readable events, waiting for more chunks.
     * @return: >0: receive a complete packet, 0: continue to wait for data, -1: an error occurred
     */
    ssize_t read(network::Socket *sock);
    /**
     * Receive data from pipeline, and store data to buffer
     * @return: >0: receive a complete packet, 0: continue to wait for data, -1: an error occurred
     */
    ssize_t read_with_buffer(network::Socket *sock);
    /**
     * The last chunk of data has been received, return address and length, start processing this packet.
     */
    PacketPtr get_packet() const;
    PipeBuffer *get_buffer() const {
        return buffer_;
    }
    /**
     * Pop the data memory address to the outer layer, no longer managed by MessageBus
     */
    char *move_packet();
    /**
     * The processing of this data packet has been completed, and the relevant memory has been released
     */
    void pop() {
        if (buffer_->is_end()) {
            packet_pool_.erase(buffer_->info.msg_id);
        }
    }
    /**
     * It is possible to operate the same pipe in multiple threads.
     * Each thread must have a unique buffer and the socket memory must be separated.
     */
    network::Socket *get_pipe_socket(const network::Socket *sock) const {
        return pipe_sockets_[sock->get_fd()];
    }
    void init_pipe_socket(const network::Socket *sock);
};
}  // namespace swoole

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Editing: swoole_message_bus.h

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