| | |
| | | #include "usg_common.h" |
| | | #include "shm_socket.h" |
| | | #include "shm_allocator.h" |
| | | #include "mem_pool.h" |
| | | #include "shm_mm.h" |
| | | #include "hashtable.h" |
| | | #include "proc_def.h" |
| | | #include "sem_util.h" |
| | | #include "logger_factory.h" |
| | | #include "key_def.h" |
| | | #include <set> |
| | | #include "socket_def.h" |
| | | |
| | | #define ACTION_LIDENTIFIER "<**" |
| | | #define ACTION_RIDENTIFIER "**>" |
| | | #define TOPIC_LIDENTIFIER "{" |
| | | #define TOPIC_RIDENTIFIER "}" |
| | | #define BUS_HEAD_SIZE sizeof(bus_head_t) |
| | | class BusServerSocket; |
| | | |
| | | static Logger *logger = LoggerFactory::getLogger(); |
| | | #define BUS_MAP_KEY 1 |
| | | //typedef std::basic_string<char, std::char_traits<char>, SHM_STL_Allocator<char> > SHMString; |
| | | typedef std::set<int, std::less<int>, SHM_STL_Allocator<int> > SHMKeySet; |
| | | typedef std::map<SHMString, SHMKeySet *, std::less<SHMString>, SHM_STL_Allocator<std::pair<const SHMString, SHMKeySet *> > > SHMTopicSubMap; |
| | | |
| | | enum socket_mod_t |
| | | struct bus_head_t |
| | | { |
| | | PULL_PUSH = 1, |
| | | REQ_REP = 2, |
| | | PAIR = 3, |
| | | PUB_SUB = 4, |
| | | SURVEY = 5, |
| | | BUS = 6 |
| | | |
| | | char action[64]; |
| | | uint32_t topic_size; |
| | | uint32_t content_size; |
| | | }; |
| | | |
| | | |
| | | class ShmModSocket { |
| | | friend class BusServerSocket; |
| | | private: |
| | | shm_socket_t *shm_socket; |
| | | socket_mod_t mod; |
| | | // pthread_t recv_thread; |
| | | // <主题, 订阅者> |
| | | SHMTopicSubMap *topic_sub_map; |
| | | |
| | | std::set<int> *bus_set; |
| | | |
| | | private: |
| | | inline int _recvfrom_(void **buf, int *size, int *port, struct timespec *timeout, int flags); |
| | | void _proxy_sub( char *topic, int port); |
| | | void _proxy_pub( char *topic, size_t head_len, void *buf, size_t size, int port); |
| | | void *run_pubsub_proxy(); |
| | | int parse_pubsub_topic(char *str, size_t size, char **_action, char **_topic, size_t *head_len ); |
| | | int _sub_( char *topic, int size, int port, struct timespec *timeout, int flags); |
| | | int _pub_( char *topic, int topic_size, void *content, int content_size, int port, struct timespec *timeout, int flags); |
| | | |
| | | |
| | | |
| | | void _proxy_desub( char *topic, int port); |
| | | void _proxy_desub_all(int port); |
| | | int _desub_( char *topic, int size, int port, struct timespec *timeout, int flags); |
| | | static int get_bus_sendbuf(bus_head_t &request_head, const void *topic_buf, int topic_size, const void *content_buf, int content_size, void **retbuf); |
| | | |
| | | static void foreach_subscripters(std::function<void(SHMKeySet *, int)> cb); |
| | | static bool include_in_keys(int key, int keys[], size_t length); |
| | | static size_t remove_subscripters(int keys[], size_t length) ; |
| | | public: |
| | | static size_t remove_keys(int keys[], size_t length); |
| | | // static size_t remove_keys(int keys[], size_t length); |
| | | // static size_t remove_keys_exclude(int keys[], size_t length); |
| | | |
| | | // bus header 编码为网络传输的字节 |
| | | static void * encode_bus_head(bus_head_t & bushead); |
| | | // 解码 bus header |
| | | static bus_head_t decode_bus_head(void *headbs); |
| | | |
| | | public: |
| | | ShmModSocket(); |
| | | ~ShmModSocket(); |
| | | |
| | | int stop(); |
| | | /** |
| | | * 绑定端口到socket, 如果不绑定则系统自动分配一个 |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int bind(int port); |
| | | int bind(int key); |
| | | |
| | | /** |
| | | * 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 |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int force_bind(int port); |
| | | /** |
| | | * 发送信息 |
| | | * @port 发送给谁 |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int sendto(const void *buf, const int size, const int port); |
| | | // 发送信息超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int sendto_timeout(const void *buf, const int size, const int port, const struct timespec *timeout); |
| | | // 发送信息立刻返回。 |
| | | int sendto_nowait(const void *buf, const int size, const int port); |
| | | int force_bind(int key); |
| | | |
| | | /** |
| | | * 接收信息 |
| | | * @port 从谁哪里收到的信息 |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int recvfrom(void **buf, int *size, int *port); |
| | | // 接受信息超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int recvfrom_timeout(void **buf, int *size, int *port, struct timespec *timeout); |
| | | int recvfrom_nowait(void **buf, int *size, int *port); |
| | | int bind_proc_id(char *buf, int len); |
| | | int reg(void *pData, int len, void **buf, int *size, const int timeout_ms, int flag); |
| | | |
| | | int sendto(const void *buf, const int size, const int key, const struct timespec *timeout = NULL, int flag = 0, int reset = 0, int data_set = 0); |
| | | |
| | | int recvfrom(void **buf, int *size, int *key, const struct timespec *timeout = NULL, int flag = 0, int reset = 0, int data_set = 0); |
| | | |
| | | /** |
| | | * 发送请求信息并等待接收应答 |
| | | * @port 发送给谁 |
| | | * @key 发送给谁 |
| | | * @flag BUS_TIMEOUT_FLAG BUS_NOWAIT_FLAG |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int sendandrecv(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size) ; |
| | | // 超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int sendandrecv_timeout(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size, struct timespec *timeout) ; |
| | | int sendandrecv_nowait(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size) ; |
| | | |
| | | int sendandrecv_unsafe(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size) ; |
| | | // 超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int sendandrecv_unsafe_timeout(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size, struct timespec *timeout) ; |
| | | int sendandrecv_unsafe_nowait(const void *send_buf, const int send_size, const int port, void **recv_buf, int *recv_size) ; |
| | | |
| | | int sendandrecv(const void *send_buf, const int send_size, const int key, void **recv_buf, int *recv_size, |
| | | const struct timespec *timeout = NULL, int flag = 0); |
| | | |
| | | |
| | | /** |
| | | * 启动bus |
| | | * |
| | | * @return 0 成功, 其他值 失败的错误码 |
| | | */ |
| | | int start_bus(); |
| | | */ |
| | | int recvandsend( recvandsend_callback_fn callback, const struct timespec *timeout = NULL , int flag = 0, void * user_data = NULL); |
| | | |
| | | /** |
| | | * 订阅指定主题 |
| | | * @topic 主题 |
| | | * @size 主题长度 |
| | | * @port 总线端口 |
| | | * @key 总线端口 |
| | | * @flag BUS_TIMEOUT_FLAG BUS_NOWAIT_FLAG |
| | | */ |
| | | int sub(char *topic, int size, int port); |
| | | // 超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int sub_timeout(char *topic, int size, int port, struct timespec *timeout); |
| | | int sub_nowait(char *topic, int size, int port); |
| | | int sub(const char *topic, int size, int key, const struct timespec *timeout = NULL, int flag = 0); |
| | | |
| | | |
| | | /** |
| | | * 取消订阅指定主题 |
| | | * @topic 主题,主题为空时取消全部订阅 |
| | | * @size 主题长度 |
| | | * @port 总线端口 |
| | | * @key 总线端口 |
| | | * @flag BUS_TIMEOUT_FLAG BUS_NOWAIT_FLAG |
| | | */ |
| | | int desub( char *topic, int size, int port); |
| | | // 超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int desub_timeout(char *topic, int size, int port, struct timespec *timeout); |
| | | int desub_nowait(char *topic, int size, int port) ; |
| | | int desub(const char *topic, int size, int key, const struct timespec *timeout = NULL, int flag = 0); |
| | | |
| | | /** |
| | | * 发布主题 |
| | | * @topic 主题 |
| | | * @content 主题内容 |
| | | * @port 总线端口 |
| | | * @key 总线端口 |
| | | * @flag BUS_TIMEOUT_FLAG BUS_NOWAIT_FLAG |
| | | */ |
| | | int pub(char *topic, int topic_size, void *content, int content_size, int port); |
| | | // 超时返回。 @sec 秒 , @nsec 纳秒 |
| | | int pub_timeout(char *topic, int topic_size, void *content, int content_size, int port, struct timespec *timeout); |
| | | int pub_nowait(char *topic, int topic_size, void *content, int content_size, int port); |
| | | int pub(const char *topic, int topic_size, const void *content, int content_size, int key, const struct timespec *timeout = NULL, int flag = 0); |
| | | |
| | | |
| | | /** |
| | | * 获取soket端口号 |
| | | * 获取soket key |
| | | */ |
| | | int get_port() ; |
| | | int get_key() ; |
| | | |
| | | int get_procid(char *buf, int len); |
| | | |
| | | |
| | | }; |
| | | |
| | | |
| | | typedef std::map<int, ProcInfo, std::less<int>, SHM_STL_Allocator<std::pair<int, ProcInfo> > > ProcZone; |
| | | typedef std::set<SHMString, std::less<SHMString>, SHM_STL_Allocator<SHMString> > TcsZone; |
| | | typedef std::map<int, TcsZone *, std::less<int>, SHM_STL_Allocator<std::pair<const int, TcsZone *> > > ProcTcsMap; |
| | | |
| | | #endif |