Generated by Cython 3.0.11

Yellow lines hint at Python interaction.
Click on a line that starts with a "+" to see the C code that Cython generated for it.

Raw output: cares.c

+001: # Copyright (c) 2011-2012 Denis Bilenko. See LICENSE for details.
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 002: # Automatic pickling of cdef classes was added in 0.26. Unfortunately it
 003: # seems to be buggy (at least for the `result` class) and produces code that
 004: # can't compile ("local variable 'result' referenced before assignment").
 005: # See https://github.com/cython/cython/issues/1786
 006: # cython: auto_pickle=False,language_level=3str
 007: cimport libcares as cares
+008: import sys
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 009: 
 010: from cpython.version cimport PY_MAJOR_VERSION
 011: from cpython.tuple cimport PyTuple_Check
 012: from cpython.getargs cimport PyArg_ParseTuple
 013: from cpython.ref cimport Py_INCREF
 014: from cpython.ref cimport Py_DECREF
 015: from cpython.mem cimport PyMem_Malloc
 016: from cpython.mem cimport PyMem_Free
 017: from libc.string cimport memset
 018: 
+019: from gevent._compat import MAC
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 020: 
+021: import _socket
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+022: from _socket import gaierror
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+023: from _socket import herror
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 024: 
 025: 
+026: __all__ = ['channel']
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 027: 
 028: cdef tuple string_types
 029: cdef type text_type
 030: 
+031: if PY_MAJOR_VERSION >= 3:
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 034: else:
+035:     string_types = __builtins__.basestring,
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 037: 
 038: # These three constants used to be DEF, but the DEF construct
 039: # is deprecated in Cython. Using a cdef extern, the generated
 040: # C code refers to the symbol (DEF would have inlined the value).
 041: # That's great when we're strictly in a C context, but for passing to
 042: # Python, it means we do a runtime translation from the C int to the
 043: # Python int. That is avoided if we use a cdef constant. TIMEOUT
 044: # is the only one that interacts with Python, but not in a performance-sensitive
 045: # way, so runtime translation is fine to keep it consistent.
 046: cdef extern from *:
 047:     """
 048:     #define TIMEOUT 1
 049:     #define EV_READ 1
 050:     #define EV_WRITE 2
 051:     """
 052:     int TIMEOUT
 053:     int EV_READ
 054:     int EV_WRITE
 055: 
 056: 
 057: cdef extern from *:
 058:     """
 059: #ifdef CARES_EMBED
 060: #include "ares_setup.h"
 061: #endif
 062: 
 063: #ifdef HAVE_NETDB_H
 064: #include <netdb.h>
 065: #endif
 066: 
 067:     #ifndef EAI_ADDRFAMILY
 068:     #define EAI_ADDRFAMILY -1
 069:     #endif
 070: 
 071:     #ifndef EAI_BADHINTS
 072:     #define EAI_BADHINTS -2
 073:     #endif
 074: 
 075:     #ifndef EAI_NODATA
 076:     #define EAI_NODATA -3
 077:     #endif
 078: 
 079:     #ifndef EAI_OVERFLOW
 080:     #define EAI_OVERFLOW -4
 081:     #endif
 082: 
 083:     #ifndef EAI_PROTOCOL
 084:     #define EAI_PROTOCOL -5
 085:     #endif
 086: 
 087:     #ifndef EAI_SYSTEM
 088:     #define EAI_SYSTEM
 089:     #endif
 090: 
 091:     """
 092: 
 093: cdef extern from "ares.h":
 094:     int AF_INET
 095:     int AF_INET6
 096:     int INET6_ADDRSTRLEN
 097: 
 098:     struct hostent:
 099:         char* h_name
 100:         int h_addrtype
 101:         char** h_aliases
 102:         char** h_addr_list
 103: 
 104:     struct sockaddr_t "sockaddr":
 105:         pass
 106: 
 107:     struct ares_channeldata:
 108:         pass
 109: 
 110:     struct in_addr:
 111:         unsigned int s_addr
 112: 
 113:     struct sockaddr_in:
 114:         int sin_family
 115:         int sin_port
 116:         in_addr sin_addr
 117: 
 118:     struct in6_addr:
 119:         char s6_addr[16]
 120: 
 121:     struct sockaddr_in6:
 122:         int sin6_family
 123:         int sin6_port
 124:         unsigned int sin6_flowinfo
 125:         in6_addr sin6_addr
 126:         unsigned int sin6_scope_id
 127: 
 128: 
 129:     unsigned int htons(unsigned int hostshort)
 130:     unsigned int ntohs(unsigned int hostshort)
 131:     unsigned int htonl(unsigned int hostlong)
 132:     unsigned int ntohl(unsigned int hostlong)
 133: 
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 141: 
 142: 
+143: cdef dict _ares_errors = dict([
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 622:     @staticmethod
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 626:         # c-ares will not connect to resolved addresses.
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 633: 
 634:     @staticmethod
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 637:                               int timeouts,
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 640:         cdef cares.ares_addrinfo_cname* cnames
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 645:         cdef channel channel
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 654: 
 655:         # Result is a list of:
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 670:                 # alias: www.gevent.org name: python-gevent.readthedocs.org
 671:                 # alias: python-gevent.readthedocs.org name: readthedocs.io
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 718:                     object callback,
 719:                     const char* name,
 720:                     object service, # AKA port
 721:                     int family=0,
 722:                     int type=0,
 723:                     int proto=0,
 724:                     int flags=0):
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+726:             raise gaierror(cares.ARES_EDESTRUCTION, 'this ares channel has been destroyed')
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 727: 
 728:         cdef cares.ares_addrinfo_hints hints
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 730: 
+731:         hints.ai_flags = channel._convert_cares_ai_flags(flags)
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 737: 
+738:         cares.ares_getaddrinfo(
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 739:             self.channel,
 740:             name,
+741:             NULL if service is None else <char*>service,
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 742:             &hints,
 743:             <void*>channel._getaddrinfo_cb,
 744:             <void*>arg
 745:         )