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Name	Size	Permission
swoole.h	22.89 KB	-rw-r--r--
swoole_api.h	3.39 KB	-rw-r--r--
swoole_asm_context.h	1.76 KB	-rw-r--r--
swoole_async.h	2.93 KB	-rw-r--r--
swoole_atomic.h	2.04 KB	-rw-r--r--
swoole_base64.h	1.29 KB	-rw-r--r--
swoole_buffer.h	2.28 KB	-rw-r--r--
swoole_c_api.h	2.16 KB	-rw-r--r--
swoole_channel.h	2.34 KB	-rw-r--r--
swoole_client.h	8.41 KB	-rw-r--r--
swoole_config.h	8.8 KB	-rw-r--r--
swoole_coroutine.h	8.91 KB	-rw-r--r--
swoole_coroutine_c_api.h	4.6 KB	-rw-r--r--
swoole_coroutine_channel.h	4.18 KB	-rw-r--r--
swoole_coroutine_context.h	2.59 KB	-rw-r--r--
swoole_coroutine_socket.h	18.79 KB	-rw-r--r--
swoole_coroutine_system.h	3.48 KB	-rw-r--r--
swoole_dtls.h	2.41 KB	-rw-r--r--
swoole_error.h	5.81 KB	-rw-r--r--
swoole_file.h	4.09 KB	-rw-r--r--
swoole_file_hook.h	2.58 KB	-rw-r--r--
swoole_hash.h	9.69 KB	-rw-r--r--
swoole_heap.h	1.79 KB	-rw-r--r--
swoole_http.h	6.94 KB	-rw-r--r--
swoole_http2.h	8.38 KB	-rw-r--r--
swoole_lock.h	2.64 KB	-rw-r--r--
swoole_log.h	15.72 KB	-rw-r--r--
swoole_lru_cache.h	3.17 KB	-rw-r--r--
swoole_memory.h	2.75 KB	-rw-r--r--
swoole_message_bus.h	5.53 KB	-rw-r--r--
swoole_mime_type.h	1.44 KB	-rw-r--r--
swoole_mqtt.h	2.18 KB	-rw-r--r--
swoole_msg_queue.h	1.92 KB	-rw-r--r--
swoole_pipe.h	2.64 KB	-rw-r--r--
swoole_process_pool.h	7.82 KB	-rw-r--r--
swoole_protocol.h	5.32 KB	-rw-r--r--
swoole_proxy.h	2.14 KB	-rw-r--r--
swoole_reactor.h	11.22 KB	-rw-r--r--
swoole_redis.h	2.09 KB	-rw-r--r--
swoole_server.h	39.1 KB	-rw-r--r--
swoole_signal.h	1.68 KB	-rw-r--r--
swoole_socket.h	17.82 KB	-rw-r--r--
swoole_socket_hook.h	2.23 KB	-rw-r--r--
swoole_ssl.h	4.94 KB	-rw-r--r--
swoole_static_handler.h	3.9 KB	-rw-r--r--
swoole_string.h	8.06 KB	-rw-r--r--
swoole_table.h	7.42 KB	-rw-r--r--
swoole_timer.h	4.05 KB	-rw-r--r--
swoole_util.h	5.58 KB	-rw-r--r--
swoole_version.h	2.25 KB	-rw-r--r--
swoole_websocket.h	4.43 KB	-rw-r--r--
swoole_wheel_timer.h	2.48 KB	-rw-r--r--

Code Editor : swoole_protocol.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>                             |
  |         Twosee  <twose@qq.com>                                       |
  +----------------------------------------------------------------------+
*/

#pragma once

#include "swoole.h"
#include "swoole_c_api.h"
#include "swoole_socket.h"

#include <netinet/tcp.h>
#include <netdb.h>

namespace swoole {

struct PacketLength {
    const char *buf;
    uint32_t buf_size;
    uint32_t header_len;
};

struct Protocol {
    typedef ssize_t (*LengthFunc)(const Protocol *, network::Socket *, PacketLength *pl);
    /* one package: eof check */
    bool split_by_eof;

char package_eof[SW_DATA_EOF_MAXLEN];
    uint8_t package_eof_len;

char package_length_type;
    uint8_t package_length_size;
    uint16_t package_length_offset;
    uint16_t package_body_offset;
    uint32_t package_max_length;

void *private_data;
    void *private_data_2;

/**
     * callback this function when a complete data packet is received
     */
    int (*onPackage)(const Protocol *, network::Socket *, const RecvData *);
    /**
     * parse the length value in the received data
     * @return 0: more data needs to be received
     * @return -1: abnormal value, connection should be closed
     * @return >0: the length of the data packet
     */
    LengthFunc get_package_length;
    uint8_t (*get_package_length_size)(network::Socket *);

int recv_with_eof_protocol(network::Socket *socket, String *buffer);
    int recv_with_length_protocol(network::Socket *socket, String *buffer);
    int recv_split_by_eof(network::Socket *socket, String *buffer);

static ssize_t default_length_func(const Protocol *protocol, network::Socket *socket, PacketLength *pl);

static inline LengthFunc get_function(const std::string &name) {
        return (LengthFunc) swoole_get_function(name.c_str(), name.length());
    }
};
}  // namespace swoole

static sw_inline uint16_t swoole_swap_endian16(uint16_t x) {
    return (((x & 0xff) << 8) | ((x & 0xff00) >> 8));
}

static sw_inline uint32_t swoole_swap_endian32(uint32_t x) {
    return (((x & 0xff) << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | ((x & 0xff000000) >> 24));
}

static sw_inline int32_t swoole_unpack(char type, const void *data) {
    switch (type) {
    /*-------------------------16bit-----------------------------*/
    case 'c':
        return *((int8_t *) data);
    case 'C':
        return *((uint8_t *) data);
    /*-------------------------16bit-----------------------------*/
    /**
     * signed short (always 16 bit, machine byte order)
     */
    case 's':
        return *((int16_t *) data);
    /**
     * unsigned short (always 16 bit, machine byte order)
     */
    case 'S':
        return *((uint16_t *) data);
    /**
     * unsigned short (always 16 bit, big endian byte order)
     */
    case 'n':
        return ntohs(*((uint16_t *) data));
    /**
     * unsigned short (always 32 bit, little endian byte order)
     */
    case 'v':
        return swoole_swap_endian16(ntohs(*((uint16_t *) data)));

/*-------------------------32bit-----------------------------*/
    /**
     * unsigned long (always 32 bit, machine byte order)
     */
    case 'L':
        return *((uint32_t *) data);
    /**
     * signed long (always 32 bit, machine byte order)
     */
    case 'l':
        return *((int *) data);
    /**
     * unsigned long (always 32 bit, big endian byte order)
     */
    case 'N':
        return ntohl(*((uint32_t *) data));
    /**
     * unsigned short (always 32 bit, little endian byte order)
     */
    case 'V':
        return swoole_swap_endian32(ntohl(*((uint32_t *) data)));

default:
        return *((uint32_t *) data);
    }
}

static sw_inline uint64_t swoole_hton64(uint64_t host) {
    uint64_t ret = 0;
    uint32_t high, low;

low = host & 0xFFFFFFFF;
    high = (host >> 32) & 0xFFFFFFFF;
    low = htonl(low);
    high = htonl(high);

ret = low;
    ret <<= 32;
    ret |= high;
    return ret;
}

static sw_inline uint64_t swoole_ntoh64(uint64_t net) {
    uint64_t ret = 0;
    uint32_t high, low;

low = net & 0xFFFFFFFF;
    high = net >> 32;
    low = ntohl(low);
    high = ntohl(high);

ret = low;
    ret <<= 32;
    ret |= high;
    return ret;
}

void swoole_dump_ascii(const char *data, size_t size);
void swoole_dump_bin(const char *data, char type, size_t size);
void swoole_dump_hex(const char *data, size_t outlen);

char *swoole_dec2hex(ulong_t value, int base);
ulong_t swoole_hex2dec(const char *hex, size_t *parsed_bytes);
int swoole_type_size(char type);

${this.title}

Code Editor : swoole_protocol.h