Mercurial > cpython-lru_cache-weakref

annotate Modules/socketmodule.h @ 24042:63fbbed10714 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Simplify HTTPSConnection constructor. See discussion in SF bug 458463.
author Jeremy Hylton <jeremy@alum.mit.edu>
date Fri, 28 Jun 2002 23:38:14 +0000
parents 203d1412a7e8
children ac487a7f7f2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
1 /* Socket module header file */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
2
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
3 /* Includes needed for the sockaddr_* symbols below */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
4 #ifndef MS_WINDOWS
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
5 # include <sys/socket.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
6 # include <netinet/in.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
7 # if !(defined(__BEOS__) || defined(__CYGWIN__) || (defined(PYOS_OS2) && defined(PYCC_VACPP)))
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
8 # include <netinet/tcp.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
9 # endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
10
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
11 #else /* MS_WINDOWS */
22096
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
12 #if _MSC_VER >= 1300
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
13 # include <winsock2.h>
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
14 # include <ws2tcpip.h>
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
15 # define HAVE_ADDRINFO
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
16 # define HAVE_SOCKADDR_STORAGE
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
17 # define HAVE_GETADDRINFO
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
18 # define HAVE_GETNAMEINFO
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
19 # define ENABLE_IPV6
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
20 #else
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
21 # include <winsock.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
22 #endif
22096
9e5ff6747437 Patch #520062: Support IPv6 with VC.NET.
Martin v. Löwis <martin@v.loewis.de>
parents: 22041
diff changeset
23 #endif
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
24
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
25 #ifdef HAVE_SYS_UN_H
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
26 # include <sys/un.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
27 #else
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
28 # undef AF_UNIX
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
29 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
30
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
31 #ifdef HAVE_NETPACKET_PACKET_H
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
32 # include <sys/ioctl.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
33 # include <net/if.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
34 # include <netpacket/packet.h>
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
35 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
36
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
37 #ifndef Py__SOCKET_H
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
38 #define Py__SOCKET_H
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
39 #ifdef __cplusplus
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
40 extern "C" {
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
41 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
42
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
43 /* Python module and C API name */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
44 #define PySocket_MODULE_NAME "_socket"
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
45 #define PySocket_CAPI_NAME "CAPI"
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
46
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
47 /* Abstract the socket file descriptor type */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
48 #ifdef MS_WINDOWS
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
49 typedef SOCKET SOCKET_T;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
50 # ifdef MS_WIN64
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
51 # define SIZEOF_SOCKET_T 8
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
52 # else
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
53 # define SIZEOF_SOCKET_T 4
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
54 # endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
55 #else
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
56 typedef int SOCKET_T;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
57 # define SIZEOF_SOCKET_T SIZEOF_INT
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
58 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
59
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
60 /* The object holding a socket. It holds some extra information,
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
61 like the address family, which is used to decode socket address
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
62 arguments properly. */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
63
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
64 typedef struct {
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
65 PyObject_HEAD
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
66 SOCKET_T sock_fd; /* Socket file descriptor */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
67 int sock_family; /* Address family, e.g., AF_INET */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
68 int sock_type; /* Socket type, e.g., SOCK_STREAM */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
69 int sock_proto; /* Protocol type, usually 0 */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
70 union sock_addr {
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
71 struct sockaddr_in in;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
72 #ifdef AF_UNIX
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
73 struct sockaddr_un un;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
74 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
75 #ifdef ENABLE_IPV6
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
76 struct sockaddr_in6 in6;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
77 struct sockaddr_storage storage;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
78 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
79 #ifdef HAVE_NETPACKET_PACKET_H
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
80 struct sockaddr_ll ll;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
81 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
82 } sock_addr;
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
83 PyObject *(*errorhandler)(void); /* Error handler; checks
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
84 errno, returns NULL and
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
85 sets a Python exception */
23815
203d1412a7e8 Major overhaul of timeout sockets:
Guido van Rossum <guido@python.org>
parents: 23724
diff changeset
86 double sock_timeout; /* Operation timeout in seconds;
203d1412a7e8 Major overhaul of timeout sockets:
Guido van Rossum <guido@python.org>
parents: 23724
diff changeset
87 0.0 means non-blocking */
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
88 } PySocketSockObject;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
89
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
90 /* --- C API ----------------------------------------------------*/
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
91
22041
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
92 /* Short explanation of what this C API export mechanism does
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
93 and how it works:
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
94
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
95 The _ssl module needs access to the type object defined in
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
96 the _socket module. Since cross-DLL linking introduces a lot of
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
97 problems on many platforms, the "trick" is to wrap the
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
98 C API of a module in a struct which then gets exported to
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
99 other modules via a PyCObject.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
100
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
101 The code in socketmodule.c defines this struct (which currently
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
102 only contains the type object reference, but could very
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
103 well also include other C APIs needed by other modules)
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
104 and exports it as PyCObject via the module dictionary
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
105 under the name "CAPI".
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
106
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
107 Other modules can now include the socketmodule.h file
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
108 which defines the needed C APIs to import and set up
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
109 a static copy of this struct in the importing module.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
110
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
111 After initialization, the importing module can then
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
112 access the C APIs from the _socket module by simply
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
113 referring to the static struct, e.g.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
114
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
115 Load _socket module and its C API; this sets up the global
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
116 PySocketModule:
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
117
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
118 if (PySocketModule_ImportModuleAndAPI())
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
119 return;
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
120
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
121
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
122 Now use the C API as if it were defined in the using
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
123 module:
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
124
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
125 if (!PyArg_ParseTuple(args, "O!|zz:ssl",
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
126
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
127 PySocketModule.Sock_Type,
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
128
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
129 (PyObject*)&Sock,
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
130 &key_file, &cert_file))
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
131 return NULL;
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
132
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
133 Support could easily be extended to export more C APIs/symbols
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
134 this way. Currently, only the type object is exported,
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
135 other candidates would be socket constructors and socket
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
136 access functions.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
137
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
138 */
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
139
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
140 /* C API for usage by other Python modules */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
141 typedef struct {
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
142 PyTypeObject *Sock_Type;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
143 } PySocketModule_APIObject;
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
144
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
145 /* XXX The net effect of the following appears to be to define a function
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
146 XXX named PySocketModule_APIObject in _ssl.c. It's unclear why it isn't
22041
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
147 XXX defined there directly.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
148
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
149 >>> It's defined here because other modules might also want to use
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
150 >>> the C API.
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
151
e0a288db022d Add documentation about how the inter-module linking works.
Marc-André Lemburg <mal@egenix.com>
parents: 21970
diff changeset
152 */
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
153 #ifndef PySocket_BUILDING_SOCKET
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
154
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
155 /* --- C API ----------------------------------------------------*/
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
156
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
157 /* Interfacestructure to C API for other modules.
23724
db239ec307e0 Repair a comment.
Guido van Rossum <guido@python.org>
parents: 23715
diff changeset
158 Call PySocketModule_ImportModuleAndAPI() to initialize this
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
159 structure. After that usage is simple:
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
160
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
161 if (!PyArg_ParseTuple(args, "O!|zz:ssl",
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
162 &PySocketModule.Sock_Type, (PyObject*)&Sock,
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
163 &key_file, &cert_file))
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
164 return NULL;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
165 ...
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
166 */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
167
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
168 static
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
169 PySocketModule_APIObject PySocketModule;
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
170
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
171 /* You *must* call this before using any of the functions in
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
172 PySocketModule and check its outcome; otherwise all accesses will
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
173 result in a segfault. Returns 0 on success. */
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
174
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
175 #ifndef DPRINTF
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
176 # define DPRINTF if (0) printf
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
177 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
178
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
179 static
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
180 int PySocketModule_ImportModuleAndAPI(void)
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
181 {
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
182 PyObject *mod = 0, *v = 0;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
183 char *apimodule = PySocket_MODULE_NAME;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
184 char *apiname = PySocket_CAPI_NAME;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
185 void *api;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
186
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
187 DPRINTF("Importing the %s C API...\n", apimodule);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
188 mod = PyImport_ImportModule(apimodule);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
189 if (mod == NULL)
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
190 goto onError;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
191 DPRINTF(" %s package found\n", apimodule);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
192 v = PyObject_GetAttrString(mod, apiname);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
193 if (v == NULL)
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
194 goto onError;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
195 Py_DECREF(mod);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
196 DPRINTF(" API object %s found\n", apiname);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
197 api = PyCObject_AsVoidPtr(v);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
198 if (api == NULL)
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
199 goto onError;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
200 Py_DECREF(v);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
201 memcpy(&PySocketModule, api, sizeof(PySocketModule));
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
202 DPRINTF(" API object loaded and initialized.\n");
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
203 return 0;
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
204
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
205 onError:
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
206 DPRINTF(" not found.\n");
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
207 Py_XDECREF(mod);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
208 Py_XDECREF(v);
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
209 return -1;
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
210 }
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
211
21969
72c95448ee4b For readability, switch to tab indents; was using a mix of tab indents,
Tim Peters <tim.peters@gmail.com>
parents: 21959
diff changeset
212 #endif /* !PySocket_BUILDING_SOCKET */
21959
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
213
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
214 #ifdef __cplusplus
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
215 }
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
216 #endif
3957d155f8c5 Break SSL support out of _socket module and place it into a new
Marc-André Lemburg <mal@egenix.com>
parents:
diff changeset
217 #endif /* !Py__SOCKET_H */