mirror of
https://github.com/savoirfairelinux/opendht.git
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313 lines
11 KiB
Cython
313 lines
11 KiB
Cython
# distutils: language = c++
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# distutils: extra_compile_args = -std=c++11
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# distutils: include_dirs = ../../include
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# distutils: library_dirs = ../../src
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# distutils: libraries = opendht gnutls
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# cython: language_level=3
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#
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# opendht.pyx - Copyright 2015 by Guillaume Roguez <yomgui1 AT gmail DOT com>
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# A Python3 wrapper to access to OpenDHT API
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# This wrapper is written for Cython 0.22
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#
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# This file is part of OpenDHT Python Wrapper.
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#
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# OpenDHT Python Wrapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# OpenDHT Python Wrapper is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OpenDHT Python Wrapper. If not, see <http://www.gnu.org/licenses/>.
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#
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from libc.stdint cimport *
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from libcpp.string cimport string
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from libcpp.vector cimport vector
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from libcpp.map cimport map as map
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from libcpp cimport bool
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from libcpp.utility cimport pair
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from cython.parallel import parallel, prange
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from cython.operator cimport dereference as deref, preincrement as inc, predecrement as dec
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from cpython cimport ref
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ctypedef uint16_t in_port_t
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ctypedef unsigned short int sa_family_t;
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cdef extern from "<memory>" namespace "std" nogil:
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cdef cppclass shared_ptr[T]:
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shared_ptr() except +
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T* get()
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T operator*()
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void reset(T*);
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cdef extern from "opendht/infohash.h" namespace "dht":
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cdef cppclass InfoHash:
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InfoHash() except +
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InfoHash(string s) except +
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string toString() const
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bool getBit(unsigned bit) const
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void setBit(unsigned bit, bool b)
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double toFloat() const
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@staticmethod
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unsigned commonBits(InfoHash a, InfoHash b)
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@staticmethod
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InfoHash get(string s)
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cdef extern from "opendht/value.h" namespace "dht":
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cdef cppclass Value:
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Value() except +
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Value(vector[uint8_t]) except +
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Value(const uint8_t* dat_ptr, size_t dat_len) except +
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string toString() const
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cdef extern from "opendht/dht.h" namespace "dht":
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cdef cppclass Node:
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Node() except +
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InfoHash getId() const
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string getAddrStr() const
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ctypedef bool (*GetCallbackRaw)(shared_ptr[Value] values, void *user_data)
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ctypedef void (*DoneCallbackRaw)(bool done, vector[shared_ptr[Node]]* nodes, void *user_data)
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cdef cppclass Dht:
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cppclass GetCallback:
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GetCallback() except +
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#GetCallback(GetCallbackRaw cb, void *user_data) except +
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cppclass DoneCallback:
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DoneCallback() except +
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#DoneCallback(DoneCallbackRaw, void *user_data) except +
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Dht() except +
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InfoHash getNodeId() const
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@staticmethod
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GetCallback bindGetCb(GetCallbackRaw cb, void *user_data)
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@staticmethod
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DoneCallback bindDoneCb(DoneCallbackRaw cb, void *user_data)
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cdef extern from "opendht/crypto.h" namespace "dht::crypto":
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ctypedef pair[shared_ptr[PrivateKey], shared_ptr[Certificate]] Identity
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cdef Identity generateIdentity(string name, Identity ca, unsigned bits)
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cdef cppclass PrivateKey:
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PrivateKey()
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PublicKey getPublicKey() const
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cdef cppclass PublicKey:
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PublicKey()
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InfoHash getId() const
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cdef cppclass Certificate:
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Certificate()
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InfoHash getId() const
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cdef class _WithID(object):
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def __repr__(self):
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return "<%s '%s'>" % (self.__class__.__name__, str(self))
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def __str__(self):
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return self.getId().toString().decode()
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cdef class PyInfoHash(_WithID):
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cdef InfoHash _infohash
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def __init__(self, bytes str=b''):
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self._infohash = InfoHash(str)
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def getBit(self, bit):
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return self._infohash.getBit(bit)
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def setBit(self, bit, b):
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self._infohash.setBit(bit, b)
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def getId(self):
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return self
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def toString(self):
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return self._infohash.toString()
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def toFloat(self):
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return self._infohash.toFloat()
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@staticmethod
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def commonBits(PyInfoHash a, PyInfoHash b):
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return InfoHash.commonBits(a._infohash, b._infohash)
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@staticmethod
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def get(str key):
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h = PyInfoHash()
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h._infohash = InfoHash.get(key.encode())
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return h
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cdef class PyNode(_WithID):
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cdef shared_ptr[Node] _node
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def getId(self):
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h = PyInfoHash()
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h._infohash = self._node.get().getId()
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return h
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def getAddr(self):
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return self._node.get().getAddrStr()
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cdef class PyNodeEntry(_WithID):
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cdef pair[InfoHash, shared_ptr[Node]] _v
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def getId(self):
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h = PyInfoHash()
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h._infohash = self._v.first
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return h
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def getNode(self):
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n = PyNode()
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n._node = self._v.second
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return n
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cdef class PyValue(object):
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cdef shared_ptr[Value] _value
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def __init__(self, bytes val=b''):
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self._value.reset(new Value(val, len(val)))
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def __str__(self):
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return self._value.get().toString().decode()
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cdef class PyNodeSetIter(object):
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cdef map[InfoHash, shared_ptr[Node]]* _nodes
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cdef map[InfoHash, shared_ptr[Node]].iterator _curIter
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def __init__(self, PyNodeSet s):
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self._nodes = &s._nodes
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self._curIter = self._nodes.begin()
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def __next__(self):
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if self._curIter == self._nodes.end():
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raise StopIteration
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h = PyNodeEntry()
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h._v = deref(self._curIter)
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inc(self._curIter)
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return h
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cdef class PyNodeSet(object):
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cdef map[InfoHash, shared_ptr[Node]] _nodes
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def size(self):
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return self._nodes.size()
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def insert(self, PyNodeEntry l):
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self._nodes.insert(l._v)
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def extend(self, li):
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for n in li:
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self.insert(n)
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def first(self):
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if self._nodes.empty():
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raise IndexError()
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h = PyInfoHash()
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h._infohash = deref(self._nodes.begin()).first
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return h
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def last(self):
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if self._nodes.empty():
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raise IndexError()
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h = PyInfoHash()
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h._infohash = deref(dec(self._nodes.end())).first
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return h
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def __str__(self):
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s = ''
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cdef map[InfoHash, shared_ptr[Node]].iterator it = self._nodes.begin()
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while it != self._nodes.end():
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s += deref(it).first.toString().decode() + ' ' + deref(it).second.get().getAddrStr().decode() + '\n'
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inc(it)
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return s
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def __iter__(self):
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return PyNodeSetIter(self)
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cdef class PyPublicKey(_WithID):
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cdef PublicKey _key
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def getId(self):
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h = PyInfoHash()
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h._infohash = self._key.getId()
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return h
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cdef class PySharedCertificate(_WithID):
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cdef shared_ptr[Certificate] _cert
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def getId(self):
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h = PyInfoHash()
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h._infohash = self._cert.get().getId()
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return h
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cdef class PyIdentity(object):
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cdef Identity _id;
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def generate(self, str name = "pydht", PyIdentity ca = PyIdentity(), unsigned bits = 4096):
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self._id = generateIdentity(name.encode(), ca._id, bits)
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property PublicKey:
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def __get__(self):
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k = PyPublicKey()
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k._key = self._id.first.get().getPublicKey()
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return k
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property Certificate:
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def __get__(self):
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c = PySharedCertificate()
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c._cert = self._id.second
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return c
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cdef extern from "opendht/dhtrunner.h" namespace "dht":
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cdef cppclass DhtRunner:
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DhtRunner() except +
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InfoHash getId() const
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InfoHash getNodeId() const
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void bootstrap(const char*, const char*)
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void run(in_port_t, const Identity, bool)
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#void run(const sockaddr_in*, const sockaddr_in6*, const Identity, bool)
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void run(const char*, const char*, const char*, const Identity, bool)
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void join()
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bool isRunning()
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string getStorageLog() const
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string getRoutingTablesLog(sa_family_t af) const
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string getSearchesLog(sa_family_t af) const
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void get(InfoHash key, Dht.GetCallback get_cb, Dht.DoneCallback done_cb)
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void put(InfoHash key, shared_ptr[Value] val, Dht.DoneCallback done_cb)
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cdef bool py_get_callback(shared_ptr[Value] value, void *user_data) with gil:
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cb = (<object>user_data)['get']
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pv = PyValue()
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pv._value = value
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return cb(pv)
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cdef void py_done_callback(bool done, vector[shared_ptr[Node]]* nodes, void *user_data) with gil:
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node_ids = []
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for n in deref(nodes):
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h = PyNodeEntry()
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h._v.first = n.get().getId()
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h._v.second = n
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node_ids.append(h)
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(<object>user_data)['done'](done, node_ids)
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ref.Py_DECREF(<object>user_data)
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cdef class PyDhtRunner(_WithID):
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cdef DhtRunner* thisptr;
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def __cinit__(self):
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self.thisptr = new DhtRunner()
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def getId(self):
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h = PyInfoHash()
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h._infohash = self.thisptr.getId()
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return h
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def getNodeId(self):
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return self.thisptr.getNodeId().toString()
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def bootstrap(self, str host, str port):
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self.thisptr.bootstrap(host.encode(), port.encode())
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def run(self, PyIdentity id, bool threaded=True, in_port_t port=0, str ipv4="", str ipv6=""):
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if ipv4 or ipv6:
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self.thisptr.run(ipv4.encode(), ipv6.encode(), str(port).encode(), id._id, threaded)
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else:
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self.thisptr.run(port, id._id, threaded)
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def join(self):
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self.thisptr.join()
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def isRunning(self):
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return self.thisptr.isRunning()
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def getStorageLog(self):
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return self.thisptr.getStorageLog().decode()
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def getRoutingTablesLog(self, sa_family_t af):
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return self.thisptr.getRoutingTablesLog(af).decode()
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def getSearchesLog(self, sa_family_t af):
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return self.thisptr.getSearchesLog(af).decode()
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def get(self, PyInfoHash key, get_cb, done_cb):
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cb_obj = {'get':get_cb, 'done':done_cb}
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ref.Py_INCREF(cb_obj)
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self.thisptr.get(key._infohash, Dht.bindGetCb(py_get_callback, <void*>cb_obj), Dht.bindDoneCb(py_done_callback, <void*>cb_obj))
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def get(self, str key, get_cb, done_cb):
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cb_obj = {'get':get_cb, 'done':done_cb}
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ref.Py_INCREF(cb_obj)
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self.thisptr.get(InfoHash.get(key.encode()), Dht.bindGetCb(py_get_callback, <void*>cb_obj), Dht.bindDoneCb(py_done_callback, <void*>cb_obj))
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def put(self, PyInfoHash key, PyValue val, done_cb):
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cb_obj = {'done':done_cb}
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ref.Py_INCREF(cb_obj)
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self.thisptr.put(key._infohash, val._value, Dht.bindDoneCb(py_done_callback, <void*>cb_obj))
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def put(self, str key, PyValue val, done_cb):
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cb_obj = {'done':done_cb}
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ref.Py_INCREF(cb_obj)
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self.thisptr.put(InfoHash.get(key.encode()), val._value, Dht.bindDoneCb(py_done_callback, <void*>cb_obj))
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