#ifndef _BUS_SERVER_SOCKET_H_
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#define _BUS_SERVER_SOCKET_H_
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#include "usg_common.h"
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#include "shm_socket.h"
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#include "shm_allocator.h"
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#include "shm_mm.h"
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#include "hashtable.h"
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#include "sem_util.h"
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#include "logger_factory.h"
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#include "key_def.h"
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#include "socket_def.h"
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#include <set>
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//typedef std::basic_string<char, std::char_traits<char>, SHM_STL_Allocator<char> > SHMString;
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typedef std::set<int, std::less<int>, SHM_STL_Allocator<int> > SHMKeySet;
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typedef std::map<SHMString, SHMKeySet *, std::less<SHMString>, SHM_STL_Allocator<std::pair<const SHMString, SHMKeySet *> > > SHMTopicSubMap;
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class BusServerSocket {
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private:
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shm_socket_t *shm_socket;
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// pthread_t recv_thread;
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// <主题， 订阅者>
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SHMTopicSubMap *topic_sub_map;
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private:
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int destroy();
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void _proxy_sub( char *topic, int key);
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void _proxy_pub( char *topic, void *buf, size_t size, int key);
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void *_run_proxy_();
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// int parse_pubsub_topic(char *str, size_t size, char **_action, char **_topic, size_t *head_len );
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void _proxy_desub( char *topic, int key);
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void _proxy_desub_all(int key);
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static void foreach_subscripters(std::function<void(SHMKeySet *, int)> cb);
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// static bool include_in_keys(int key, int keys[], size_t length);
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public:
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static size_t remove_subscripters(int keys[], size_t length) ;
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public:
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BusServerSocket();
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~BusServerSocket();
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/**
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* 绑定端口到socket, 如果不绑定则系统自动分配一个
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* @return 0 成功， 其他值 失败的错误码
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*/
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int bind(int key);
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/**
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* 强制绑定端口到socket, 适用于程序非正常关闭的情况下，重启程序绑定原来还没释放的key
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* @return 0 成功， 其他值 失败的错误码
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*/
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int force_bind(int key);
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/**
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* 启动bus
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*
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* @return 0 成功， 其他值 失败的错误码
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*/
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int start();
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/**
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* 停止bus
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*
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* @return 0 成功， 其他值 失败的错误码
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*/
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int stop();
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/**
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* 获取soket key
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*/
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int get_key() ;
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};
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#endif
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