xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
channel.hpp	4d99525703 first commit	6 月之前
message_parser.hpp	4d99525703 first commit	6 月之前
message_parser.ipp	4d99525703 first commit	6 月之前
message_reader.hpp	4d99525703 first commit	6 月之前
message_writer.hpp	4d99525703 first commit	6 月之前
read_buffer.hpp	4d99525703 first commit	6 月之前
valgrind.hpp	4d99525703 first commit	6 月之前
write_message.hpp	4d99525703 first commit	6 月之前