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#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
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Vio* vio_new(my_socket sd, enum enum_vio_type type, uint flags);
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void vio_delete(Vio* vio);
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int vio_close(Vio* vio);
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void vio_reset(Vio* vio, enum enum_vio_type type,
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my_socket sd, HANDLE hPipe, uint flags);
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void vio_reset(Vio* vio, enum enum_vio_type type, my_socket sd, uint32_t flags);
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size_t vio_read(Vio *vio, uchar * buf, size_t size);
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size_t vio_read_buff(Vio *vio, uchar * buf, size_t size);
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size_t vio_write(Vio *vio, const uchar * buf, size_t size);
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int vio_blocking(Vio *vio, my_bool onoff, my_bool *old_mode);
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my_bool vio_is_blocking(Vio *vio);
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int vio_blocking(Vio *vio, bool onoff, bool *old_mode);
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bool vio_is_blocking(Vio *vio);
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/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
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int vio_fastsend(Vio *vio);
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/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
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int vio_keepalive(Vio *vio, my_bool onoff);
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int32_t vio_keepalive(Vio *vio, bool onoff);
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/* Whenever we should retry the last read/write operation. */
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my_bool vio_should_retry(Vio *vio);
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bool vio_should_retry(Vio *vio);
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/* Check that operation was timed out */
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my_bool vio_was_interrupted(Vio *vio);
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bool vio_was_interrupted(Vio *vio);
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/* Short text description of the socket for those, who are curious.. */
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const char* vio_description(Vio *vio);
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/* Return the type of the connection */
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/* Get socket number */
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my_socket vio_fd(Vio*vio);
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/* Remote peer's address and name in text form */
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my_bool vio_peer_addr(Vio *vio, char *buf, uint16 *port, size_t buflen);
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my_bool vio_poll_read(Vio *vio,uint timeout);
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my_bool vio_peek_read(Vio *vio, uint *bytes);
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size_t vio_read_shared_memory(Vio *vio, uchar * buf, size_t size);
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size_t vio_write_shared_memory(Vio *vio, const uchar * buf, size_t size);
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int vio_close_shared_memory(Vio * vio);
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bool vio_peer_addr(Vio *vio, char *buf, uint16 *port, size_t buflen);
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bool vio_poll_read(Vio *vio,uint timeout);
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bool vio_peek_read(Vio *vio, uint *bytes);
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void vio_end(void);
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my_socket sd; /* my_socket - real or imaginary */
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my_bool localhost; /* Are we from localhost? */
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int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
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struct sockaddr_storage local; /* Local internet address */
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struct sockaddr_storage remote; /* Remote internet address */
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int addrLen; /* Length of remote address */
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enum enum_vio_type type; /* Type of connection */
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char desc[30]; /* String description */
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char *read_buffer; /* buffer for vio_read_buff */
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char *read_pos; /* start of unfetched data in the
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char *read_end; /* end of unfetched data */
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/* function pointers. They are similar for socket/SSL/whatever */
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void (*viodelete)(Vio*);
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int (*vioerrno)(Vio*);
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int32_t (*vioerrno)(Vio*);
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size_t (*read)(Vio*, uchar *, size_t);
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size_t (*write)(Vio*, const uchar *, size_t);
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int (*vioblocking)(Vio*, my_bool, my_bool *);
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my_bool (*is_blocking)(Vio*);
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int (*viokeepalive)(Vio*, my_bool);
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int (*fastsend)(Vio*);
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my_bool (*peer_addr)(Vio*, char *, uint16*, size_t);
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int32_t (*vioblocking)(Vio*, bool, bool *);
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bool (*is_blocking)(Vio*);
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int32_t (*viokeepalive)(Vio*, bool);
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int32_t (*fastsend)(Vio*);
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bool (*peer_addr)(Vio*, char *, uint16_t *, size_t);
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void (*in_addr)(Vio*, struct sockaddr_storage*);
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my_bool (*should_retry)(Vio*);
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my_bool (*was_interrupted)(Vio*);
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int (*vioclose)(Vio*);
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void (*timeout)(Vio*, unsigned int which, unsigned int timeout);
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HANDLE handle_file_map;
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HANDLE event_server_wrote;
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HANDLE event_server_read;
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HANDLE event_client_wrote;
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HANDLE event_client_read;
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HANDLE event_conn_closed;
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size_t shared_memory_remain;
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char *shared_memory_pos;
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#endif /* HAVE_SMEM */
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bool (*should_retry)(Vio*);
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bool (*was_interrupted)(Vio*);
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int32_t (*vioclose)(Vio*);
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void (*timeout)(Vio*, uint32_t which, uint32_t timeout);
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char *read_buffer; /* buffer for vio_read_buff */
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#endif /* vio_violite_h_ */