#ifndef __SHM_SOCKET_H__
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#define __SHM_SOCKET_H__
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#include "usg_common.h"
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#include "usg_typedef.h"
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#include "shm_queue.h"
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enum shm_msg_type_t
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{
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SHM_SOCKET_OPEN = 1,
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SHM_SOCKET_OPEN_REPLY = 2,
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SHM_SOCKET_CLOSE = 3,
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SHM_COMMON_MSG = 4
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};
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enum shm_socket_flag_t
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{
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SHM_MSG_TIMEOUT = 1,
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SHM_MSG_NOWAIT = 2
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};
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enum shm_socket_type_t
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{
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SHM_SOCKET_STREAM = 1,
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SHM_SOCKET_DGRAM = 2
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};
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enum shm_socket_error_type_t {
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SHM_SOCKET_ECONNFAILED = 1,
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SHM_SOCKET_ETIMEOUT = 2
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};
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enum shm_connection_status_t {
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SHM_CONN_CLOSED=1,
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SHM_CONN_LISTEN=2,
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SHM_CONN_ESTABLISHED=3
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};
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typedef struct shm_msg_t {
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int key;
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shm_msg_type_t type;
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size_t size;
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void * buf;
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} shm_msg_t;
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typedef struct shm_socket_t {
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shm_socket_type_t socket_type;
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// 本地key
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int key;
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bool force_bind;
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int mutex;
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shm_connection_status_t status;
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SHMQueue<shm_msg_t> *queue;
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SHMQueue<shm_msg_t> *remoteQueue;
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LockFreeQueue<shm_msg_t, DM_Allocator> *messageQueue;
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LockFreeQueue<shm_msg_t, DM_Allocator> *acceptQueue;
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std::map<int, shm_socket_t* > *clientSocketMap;
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pthread_t dispatch_thread;
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} shm_socket_t;
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size_t shm_socket_remove_keys(int keys[], size_t length);
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shm_socket_t *shm_open_socket(shm_socket_type_t socket_type);
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int shm_close_socket(shm_socket_t * socket) ;
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int shm_socket_bind(shm_socket_t * socket, int key) ;
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int shm_socket_force_bind(shm_socket_t * socket, int key) ;
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int shm_listen(shm_socket_t * socket) ;
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shm_socket_t* shm_accept(shm_socket_t* socket);
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int shm_connect(shm_socket_t * socket, int key);
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int shm_send(shm_socket_t * socket, const void *buf, const int size) ;
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int shm_recv(shm_socket_t * socket, void **buf, int *size) ;
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int shm_sendto(shm_socket_t *socket, const void *buf, const int size, const int key, const struct timespec * timeout = NULL, const int flags=0);
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int shm_recvfrom(shm_socket_t *socket, void **buf, int *size, int *key, struct timespec * timeout = NULL, int flags=0);
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int shm_sendandrecv(shm_socket_t *socket, const void *send_buf, const int send_size, const int send_key, void **recv_buf, int *recv_size,
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struct timespec * timeout = NULL, int flags=0);
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/**
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* 功能同shm_sendandrecv, 但是不是线程安全的
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*/
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int shm_sendandrecv_unsafe(shm_socket_t *socket, const void *send_buf, const int send_size, const int send_key, void **recv_buf, int *recv_size,
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struct timespec * timeout = NULL, int flags=0);
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#endif
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