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#ifndef HSM_COM_SRVR_DATA
#define HSM_COM_SRVR_DATA
#include "hsm_com_srvr_api.h"
#define HSM_COM_SVR_MAX_PATH 255
#define HSM_COM_MAX_CLIENTS 32
#define HSM_COM_STALE_CNX 30 // (SECONDS) Disregard connection requests older then this
#define HSM_COM_VER 1 /* Note: client and server versions must match. This is always validated */
#define HSM_COM_KEY 0x00066A8239482938ull /* Used to verify that the client code was built with same lib */
typedef enum{
HSM_COM_C_STATE_UN = 0, /* Client connected but has not sent a connect packet yet */
HSM_COM_C_STATE_IN, /* Client initialized */
HSM_COM_C_STATE_CT, /* Client connected */
HSM_COM_C_STATE_DN /* Disconnect requested, but socket not yet closed */
}hsm_com_state_t;
typedef enum{
HSM_COM_S_STATE_UN = 0, /* Server uninitialized */
HSM_COM_S_STATE_IN, /* Server initialized (not running) */
HSM_COM_S_STATE_RN, /* Running */
HSM_COM_S_STATE_DN, /* Shutting down initiated */
HSM_COM_S_STATE_ER /* Error state */
}hsm_com_srv_state_t;
#define HSM_COM_CMD_CONN 1
#define HSM_COM_CMD_DISC 2
#define HSM_COM_CMD_PING 3
#define HSM_COM_CMD_DATA 4
#define HSM_COM_RESP_OK 1
#define HSM_COM_RESP_ERR 2
#define HSM_COM_RESP_INV_LEN 3
typedef struct hsm_com_scratch_s{
char *scratch;
int scratch_len;
int scratch_fill;
}hsm_com_scratch_t;
typedef struct hsm_com_client_s{
int fd;
int uid;
hsm_com_state_t state;
hsm_com_scratch_t scr;
}hsm_com_client_t;
typedef struct _hsm_com_server_hdl{
char path[HSM_COM_SVR_MAX_PATH];
char *recv_buf;
char *send_buf;
int buf_len;
int max_conx;
int conx_cnt;
hsm_com_client_t *client_list;
hsm_com_srv_state_t server_state;
unsigned long long server_pid;
int server_fd;
hsm_com_callback_func callback;
}hsm_com_server_hdl_t;
typedef struct hsm_com_client_strsvr_s{
struct hsm_com_client_strsvr_s *next;
hsm_com_server_hdl_t info;
}hsm_com_client_strsvr_t;
typedef struct _hsm_com_client_hdl{
char s_path[HSM_COM_SVR_MAX_PATH];
char c_path[HSM_COM_SVR_MAX_PATH];
char *recv_buf;
char *send_buf;
int buf_len;
int client_state;
int client_fd;
hsm_com_scratch_t scr;
hsm_com_client_strsvr_t *stream_list;
int trans_id;
}hsm_com_client_hdl_t;
typedef struct hsm_com_common_s{
unsigned char ver;
unsigned char resp_code;
unsigned long cmd;
unsigned long trans_id;
unsigned long payload_len;
}hsm_com_common_t;
typedef struct hsm_com_con_data_s{
hsm_com_common_t header;
unsigned long long key;
}hsm_com_con_data_t;
typedef struct hsm_com_discon_data_s{
hsm_com_common_t header;
}hsm_com_discon_data_t;
typedef struct hsm_com_ping_data_s{
hsm_com_common_t header;
}hsm_com_ping_data_t;
typedef struct hsm_com_msg_s{
hsm_com_common_t common;
char data[1]; // First byte of the data section.
}hsm_com_msg_t;
hsm_com_errno_t
unix_sck_run_server(hsm_com_server_hdl_t *hdl);
int
unix_sck_read_data(int fd, hsm_com_scratch_t *scratch, char *buf, int buf_len, int *offset);
hsm_com_errno_t
unix_sck_send_ping(hsm_com_client_hdl_t *hdl, int timeout);
hsm_com_errno_t
unix_sck_send_data(hsm_com_client_hdl_t *hdl, int timeout,
hsm_com_datagram_t *send, hsm_com_datagram_t *recv);
#endif