feat update

target_link_libraries(

  sled

  PUBLIC rpc_core fmt marl Async++ minilua protobuf::libprotobuf

  PUBLIC rpc_core

         fmt

         marl

         Async++

         minilua

         protobuf::libprotobuf

         tcmalloc_and_profiler_static

         # protobuf::libprotoc

  PRIVATE dl

  # protobuf::libprotobuf ${WHOLE_ARCHIVE_WRAPPER_START}

#ifndef SLED_NETWORK_KCP_KCP_H

#define SLED_NETWORK_KCP_KCP_H

#pragma once

#include <string>

#include <unistd.h>

/**

 kcp header

0               4   5   6       8 (BYTE)

+---------------+---+---+-------+

|     conv      |cmd|frg|  wnd  |

+---------------+---+---+-------+   8

|     ts        |     sn        |

+---------------+---------------+  16

|     una       |     len       |

+---------------+---------------+  24

|                               |

|        DATA (optional)        |

|                               |

+-------------------------------+

*/

namespace sled {

enum class KCPCommand {

    kPush,

    kAck,

    kWask,

    kWins,

};

struct KCPHeader {

    uint32_t conv;// conv id

    uint8_t cmd;  // Command

    uint8_t frg;  // fragment number

    uint16_t wnd; // my available window size

    uint32_t ts; // timestamp

    uint32_t sn; // sequence number

    uint32_t una;// sender unacknowledged (min) number

    uint32_t len;// data len

};

struct KCPPacket {

    KCPHeader header;

    char data[1];

};

}// namespace sled

#endif// SLED_NETWORK_KCP_KCP_H