custom packets support in wrapper
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ingvar1995
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5e1dfe6d36
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1 changed files with 111 additions and 1 deletions
112
src/tox.py
112
src/tox.py
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@ -90,6 +90,8 @@ class Tox(object):
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self.file_chunk_request_cb = None
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self.file_recv_cb = None
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self.file_recv_chunk_cb = None
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self.friend_lossy_packet_cb = None
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self.friend_lossless_packet_cb = None
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self.AV = ToxAV(self._tox_pointer)
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@ -1347,9 +1349,117 @@ class Tox(object):
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self.libtoxcore.tox_callback_file_recv_chunk(self._tox_pointer, self.file_recv_chunk_cb, user_data)
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# -----------------------------------------------------------------------------------------------------------------
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# TODO Low-level custom packet sending and receiving
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# Low-level custom packet sending and receiving
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# -----------------------------------------------------------------------------------------------------------------
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def friend_send_lossy_packet(self, friend_number, data):
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"""
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Send a custom lossy packet to a friend.
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The first byte of data must be in the range 200-254. Maximum length of a
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custom packet is TOX_MAX_CUSTOM_PACKET_SIZE.
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Lossy packets behave like UDP packets, meaning they might never reach the
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other side or might arrive more than once (if someone is messing with the
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connection) or might arrive in the wrong order.
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Unless latency is an issue, it is recommended that you use lossless custom packets instead.
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:param friend_number: The friend number of the friend this lossy packet
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:param data: python string containing the packet data
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:return: True on success.
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"""
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tox_err_friend_custom_packet = c_int()
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result = self.libtoxcore.tox_friend_send_lossy_packet(self._tox_pointer, c_uint32(friend_number),
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c_char_p(data), c_size_t(len(data)),
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byref(tox_err_friend_custom_packet))
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tox_err_friend_custom_packet = tox_err_friend_custom_packet.value
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if tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['OK']:
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return bool(result)
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['NULL']:
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raise ArgumentError('One of the arguments to the function was NULL when it was not expected.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['FRIEND_NOT_FOUND']:
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raise ArgumentError('The friend number did not designate a valid friend.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['FRIEND_NOT_CONNECTED']:
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raise ArgumentError('This client is currently not connected to the friend.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['INVALID']:
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raise ArgumentError('The first byte of data was not in the specified range for the packet type.'
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'This range is 200-254 for lossy, and 160-191 for lossless packets.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['EMPTY']:
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raise ArgumentError('Attempted to send an empty packet.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['TOO_LONG']:
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raise ArgumentError('Packet data length exceeded TOX_MAX_CUSTOM_PACKET_SIZE.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['SENDQ']:
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raise RuntimeError('Packet queue is full.')
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def friend_send_lossless_packet(self, friend_number, data):
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"""
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Send a custom lossless packet to a friend.
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The first byte of data must be in the range 160-191. Maximum length of a
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custom packet is TOX_MAX_CUSTOM_PACKET_SIZE.
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Lossless packet behaviour is comparable to TCP (reliability, arrive in order)
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but with packets instead of a stream.
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:param friend_number: The friend number of the friend this lossless packet
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:param data: python string containing the packet data
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:return: True on success.
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"""
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tox_err_friend_custom_packet = c_int()
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result = self.libtoxcore.tox_friend_send_lossless_packet(self._tox_pointer, c_uint32(friend_number),
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c_char_p(data), c_size_t(len(data)),
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byref(tox_err_friend_custom_packet))
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tox_err_friend_custom_packet = tox_err_friend_custom_packet.value
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if tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['OK']:
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return bool(result)
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['NULL']:
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raise ArgumentError('One of the arguments to the function was NULL when it was not expected.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['FRIEND_NOT_FOUND']:
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raise ArgumentError('The friend number did not designate a valid friend.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['FRIEND_NOT_CONNECTED']:
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raise ArgumentError('This client is currently not connected to the friend.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['INVALID']:
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raise ArgumentError('The first byte of data was not in the specified range for the packet type.'
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'This range is 200-254 for lossy, and 160-191 for lossless packets.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['EMPTY']:
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raise ArgumentError('Attempted to send an empty packet.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['TOO_LONG']:
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raise ArgumentError('Packet data length exceeded TOX_MAX_CUSTOM_PACKET_SIZE.')
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elif tox_err_friend_custom_packet == TOX_ERR_FRIEND_CUSTOM_PACKET['SENDQ']:
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raise RuntimeError('Packet queue is full.')
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def callback_friend_lossy_packet(self, callback, user_data):
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"""
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Set the callback for the `friend_lossy_packet` event. Pass NULL to unset.
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:param callback: Python function.
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Should take pointer (c_void_p) to Tox object,
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friend_number (c_uint32) - The friend number of the friend who sent a lossy packet,
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A byte array (c_uint8 array) containing the received packet data,
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length (c_size_t) - The length of the packet data byte array,
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pointer (c_void_p) to user_data
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:param user_data: pointer (c_void_p) to user data
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"""
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c_callback = CFUNCTYPE(None, c_void_p, c_uint32, POINTER(c_uint8), c_size_t, c_void_p)
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self.friend_lossy_packet_cb = c_callback(callback)
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self.libtoxcore.tox_callback_friend_lossy_packet(self._tox_pointer, self.friend_lossy_packet_cb, user_data)
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def callback_friend_lossless_packet(self, callback, user_data):
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"""
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Set the callback for the `friend_lossy_packet` event. Pass NULL to unset.
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:param callback: Python function.
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Should take pointer (c_void_p) to Tox object,
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friend_number (c_uint32) - The friend number of the friend who sent a lossy packet,
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A byte array (c_uint8 array) containing the received packet data,
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length (c_size_t) - The length of the packet data byte array,
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pointer (c_void_p) to user_data
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:param user_data: pointer (c_void_p) to user data
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"""
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c_callback = CFUNCTYPE(None, c_void_p, c_uint32, POINTER(c_uint8), c_size_t, c_void_p)
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self.friend_lossless_packet_cb = c_callback(callback)
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self.libtoxcore.tox_callback_friend_lossless_packet(self._tox_pointer, self.friend_lossless_packet_cb,
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user_data)
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# -----------------------------------------------------------------------------------------------------------------
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# Low-level network information
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# -----------------------------------------------------------------------------------------------------------------
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