filename | src/drivers/io_osx.m |
changeset | 1298:d0eb2307b847 |
prev | 1077:136fc24d17ef |
author | nkeynes |
date | Sun May 24 19:46:06 2015 +1000 (8 years ago) |
permissions | -rw-r--r-- |
last change | Remove static from gl_load_frame_buffer() - also needed by video_egl.c Fix error location in gl_frame_buffer_to_tex |
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1 /**
2 * $Id$
3 *
4 * OS X networking support functions. Currently this is just for activity callbacks.
5 *
6 * Copyright (c) 2009 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include <CoreFoundation/CoreFoundation.h>
20 #include "ioutil.h"
22 struct io_osx_cbinfo {
23 int fd;
24 io_callback_t callback;
25 void * cbdata;
26 void (*cbdealloc)(void *);
27 void *fdRef;
28 CFRunLoopSourceRef sourceRef;
30 struct io_osx_cbinfo *next;
31 };
33 void io_unregister_callback( struct io_osx_cbinfo *cbinfo )
34 {
35 CFRunLoopRemoveSource( CFRunLoopGetCurrent(), cbinfo->sourceRef, kCFRunLoopCommonModes );
36 CFRelease(cbinfo->sourceRef);
37 cbinfo->sourceRef = NULL;
38 CFRelease(cbinfo->fdRef); /* Note this implicitly releases the cbinfo itself as well */
39 }
41 static void io_osx_net_callback( CFSocketRef s, CFSocketCallBackType type, CFDataRef address, const void *unused, void *data )
42 {
43 struct io_osx_cbinfo *cbinfo = (struct io_osx_cbinfo *)data;
44 if(!cbinfo->callback( CFSocketGetNative(s), cbinfo->cbdata) ) {
45 io_unregister_callback(cbinfo);
46 }
47 }
49 static void io_osx_fd_callback( CFFileDescriptorRef f, CFOptionFlags type, void *data )
50 {
51 struct io_osx_cbinfo *cbinfo = (struct io_osx_cbinfo *)data;
52 if(!cbinfo->callback( CFFileDescriptorGetNativeDescriptor(f), cbinfo->cbdata) ) {
53 io_unregister_callback(cbinfo);
54 }
55 }
57 static void io_osx_release( const void *data )
58 {
59 struct io_osx_cbinfo *cbinfo = (struct io_osx_cbinfo *)data;
60 if( cbinfo->cbdealloc != NULL ) {
61 cbinfo->cbdealloc(cbinfo->cbdata);
62 }
63 free( cbinfo );
64 }
66 /**
67 * Register a TCP server socket listener on an already open (and listening)
68 * socket. The socket must not have been previously registered.
69 * @return TRUE on success, FALSE on failure.
70 *
71 * Defined in netutil.h
72 */
73 io_listener_t io_register_tcp_listener( int fd, io_callback_t callback, void *data, void (*dealloc)(void*) )
74 {
75 CFSocketContext socketContext;
76 struct io_osx_cbinfo *cbinfo = malloc( sizeof(struct io_osx_cbinfo) );
77 assert(cbinfo != NULL);
79 cbinfo->callback = callback;
80 cbinfo->cbdata = data;
81 cbinfo->cbdealloc = dealloc;
82 socketContext.version = 0;
83 socketContext.info = cbinfo;
84 socketContext.retain = NULL;
85 socketContext.release = io_osx_release;
86 socketContext.copyDescription = NULL;
88 CFSocketRef ref = CFSocketCreateWithNative( kCFAllocatorDefault, fd, kCFSocketReadCallBack,
89 io_osx_net_callback, &socketContext );
90 cbinfo->fdRef = ref;
91 cbinfo->sourceRef = CFSocketCreateRunLoopSource( kCFAllocatorDefault, ref, 0 );
92 CFRunLoopAddSource( CFRunLoopGetCurrent(), cbinfo->sourceRef, kCFRunLoopCommonModes );
94 return cbinfo;
95 }
97 /**
98 * Register a file descriptor listener on an already open (and listening)
99 * file descriptor. The file descriptor must not have been previously registered.
100 * @return TRUE on success, FALSE on failure.
101 *
102 */
103 io_listener_t io_register_listener( int fd, io_callback_t callback, void *data, void (*dealloc)(void *) )
104 {
105 CFFileDescriptorContext fdContext;
106 struct io_osx_cbinfo *cbinfo = malloc( sizeof(struct io_osx_cbinfo) );
107 assert(cbinfo != NULL);
109 cbinfo->callback = callback;
110 cbinfo->cbdata = data;
111 cbinfo->cbdealloc = dealloc;
112 fdContext.version = 0;
113 fdContext.retain = NULL;
114 fdContext.info = cbinfo;
115 fdContext.release = ( void (*)(void *) )io_osx_release;
116 fdContext.copyDescription = NULL;
118 CFFileDescriptorRef ref = CFFileDescriptorCreate( kCFAllocatorDefault, fd, FALSE,
119 io_osx_fd_callback, &fdContext);
120 cbinfo->fdRef = ref;
121 cbinfo->sourceRef = CFFileDescriptorCreateRunLoopSource( kCFAllocatorDefault, ref, 0 );
122 CFRunLoopAddSource( CFRunLoopGetCurrent(), cbinfo->sourceRef, kCFRunLoopCommonModes );
123 return cbinfo;
124 }
126 void io_unregister_listener( io_listener_t data )
127 {
128 struct io_osx_cbinfo *cbinfo = (struct io_osx_cbinfo *)data;
129 io_unregister_callback(cbinfo);
130 }
.