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#ifndef __USBMUXD_H
#define __USBMUXD_H
/**
* Array entry returned by 'usbmuxd_scan()' scanning.
*
* If more than one device is available, 'product_id' and
* 'serial_number' and be analysed to help make a selection.
* The relevant 'handle' should be passed to 'usbmuxd_connect()', to
* start a proxy connection. The value 'handle' should be considered
* opaque and no presumption made about the meaning of its value.
*/
typedef struct {
int handle;
int product_id;
char serial_number[41];
} usbmuxd_scan_result;
/**
* Contacts usbmuxd and performs a scan for connected devices.
*
* @param available_devices pointer to array of usbmuxd_scan_result.
* Array of available devices. The required 'handle'
* should be passed to 'usbmuxd_connect()'. The returned array
* is zero-terminated for convenience; the final (unused)
* entry containing handle == 0. The returned array pointer
* should be freed by passing to 'free()' after use.
*
* @return number of available devices, zero on no devices, or negative on error
*/
int usbmuxd_scan(usbmuxd_scan_result **available_devices);
/**
* Request proxy connect to
*
* @param handle returned by 'usbmuxd_scan()'
*
* @param tcp_port TCP port number on device, in range 0-65535.
* common values are 62078 for lockdown, and 22 for SSH.
*
* @return file descriptor socket of the connection, or -1 on error
*/
int usbmuxd_connect(const int handle, const unsigned short tcp_port);
/**
* Disconnect. For now, this just closes the socket file descriptor.
*
* @param sfd socker file descriptor returned by usbmuxd_connect()
*
* @return 0 on success, -1 on error.
*/
int usbmuxd_disconnect(int sfd);
/**
* Send data to the specified socket.
*
* @param sfd socket file descriptor returned by usbmuxd_connect()
* @param data buffer to send
* @param len size of buffer to send
* @param sent_bytes how many bytes sent
*
* @return 0 on success, a negative errno value otherwise.
*/
int usbmuxd_send(int sfd, const char *data, uint32_t len, uint32_t *sent_bytes);
/**
* Receive data from the specified socket.
*
* @param sfd socket file descriptor returned by usbmuxd_connect()
* @param data buffer to put the data to
* @param len number of bytes to receive
* @param recv_bytes number of bytes received
* @param timeout how many milliseconds to wait for data
*
* @return 0 on success, a negative errno value otherwise.
*/
int usbmuxd_recv_timeout(int sfd, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout);
/**
* Receive data from the specified socket with a default timeout.
*
* @param sfd socket file descriptor returned by usbmuxd_connect()
* @param data buffer to put the data to
* @param len number of bytes to receive
* @param recv_bytes number of bytes received
*
* @return 0 on success, a negative errno value otherwise.
*/
int usbmuxd_recv(int sfd, char *data, uint32_t len, uint32_t *recv_bytes);
#endif /* __USBMUXD_H */
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