51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
#ifndef WEBSOCKET_H_
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#define WEBSOCKET_H_
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#define WS_PORT 8080
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#define WS_TIMEOUT 10
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#define WS_DEBUG LWIP_DBG_ON
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#define WS_MAX_RETRIES 10
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#define WS_POLL_INTERVAL 60 // WS_POLL_INTERVAL/2 seconds
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#define WS_MAX_CONN 4
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#define WS_BUFFER_SIZE 512
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#define OP_CONT 0x00
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#define OP_TEXT 0x01
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#define OP_BINARY 0x02
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#define OP_CLOSE 0x08
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#define OP_PING 0x09
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#define OP_PONG 0x0A
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struct ws_state {
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bool active;
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uint8_t retries;
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struct altcp_pcb *pcb;
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struct ws_state *next;
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};
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#define WS_ALLOC_WS_STATE() (struct ws_state *)mem_malloc(sizeof(struct ws_state))
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typedef void (* tWSHandler ) (uint8_t *data, uint16_t len);
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typedef void (* tWSOpenHandler ) (struct ws_state * wss);
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static struct ws_state* ws_state_alloc(void);
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static void ws_state_init(struct ws_state *wss);
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static void ws_state_free(struct ws_state *wss);
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void ws_server_init(void);
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static void ws_server_init_pcb( struct altcp_pcb *pcb, uint16_t port);
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static err_t ws_accept(void *arg, struct altcp_pcb *pcb, err_t err);
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static err_t ws_recv(void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t err);
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static err_t ws_sent(void *arg, struct altcp_pcb *pcb, uint16_t len);
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static void ws_err (void *arg, err_t err);
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static err_t ws_close_conn(struct altcp_pcb *pcb, struct ws_state *wss);
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static err_t ws_close_or_abort_conn(struct altcp_pcb *pcb, struct ws_state *wss, uint8_t abort_conn);
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static err_t ws_poll(void *arg, struct altcp_pcb *pcb);
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static err_t ws_handshake(struct altcp_pcb *pcb, struct ws_state *wss, struct pbuf *p);
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static err_t ws_read(struct altcp_pcb *pcb, struct ws_state *wss, struct pbuf *p);
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static err_t ws_send(struct ws_state *wss, uint8_t *data, uint16_t len);
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void ws_send_all(uint8_t *data, uint16_t len);
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void ws_set_receive_handler( tWSHandler ws_handler);
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void ws_set_open_handler( tWSOpenHandler ws_handler);
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#endif
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