SystemConfiguration.fproj/DeviceOnHold.h

   1 /*
   2  * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #ifndef _DEVICEONHOLD_H
  26 #define _DEVICEONHOLD_H
  27
  28 #include <sys/cdefs.h>
  29 #include <CoreFoundation/CoreFoundation.h>
  30
  31
  32 /*!
  33         @header DeviceOnHold
  34  */
  35
  36
  37 /*!
  38         @enum
  39         @discussion Returned status codes from DeviceOnHoldGetStatus()
  40
  41         @constant kDeviceIdle
  42         @constant kDeviceConnecting
  43         @constant kDeviceDataConnectionActive
  44         @constant kDeviceDataConnectionOnHold
  45         @constant kDeviceDisconnecting
  46 */
  47 enum
  48 {
  49         kDeviceIdle                     = 0,
  50         kDeviceConnecting,
  51         kDeviceDataConnectionActive,
  52         kDeviceDataConnectionOnHold,
  53         kDeviceDisconnecting
  54 };
  55
  56
  57 /*!
  58         @typedef DeviceOnHoldRef
  59         @discussion This is the handle to a specific device
  60                 which is used by the DeviceOnHold APIs.
  61  */
  62 typedef const struct __DeviceOnHoldRef * DeviceOnHoldRef;
  63
  64
  65 __BEGIN_DECLS
  66
  67
  68 /*!
  69         @function IsDeviceOnHoldSupported
  70         @discussion Determines whether a device has the capability to have
  71                 a connection placed "on hold".
  72
  73         This function determines whether the device specified supports
  74         the "on hold" capabality.
  75
  76         @param devname A CFStringRef that represents the device being queried.
  77         @param options A CFDictionaryRef of various options for the device.
  78         @result TRUE if device supports "on hold".
  79
  80  */
  81 Boolean
  82 IsDeviceOnHoldSupported                 (
  83                                         CFStringRef             devname,     // e.g. "modem"
  84                                         CFDictionaryRef         options
  85                                         );
  86
  87 /*!
  88         @function DeviceOnHoldCreate
  89         @discussion Creates a DeviceOnHoldRef for the specified device supports.
  90
  91         This function creates a DeviceOnHoldRef handle which will be used
  92                 in all subsequent calls to the "on hold" API's.
  93
  94         @param allocator A CFAllocatorRef.
  95         @param devname A CFStringRef that represents the device being queried.
  96         @param options A CFDictionaryRef of various options for the device.
  97         @result DeviceOnHoldRef to pass to subsequent device hold api's.
  98
  99  */
 100 DeviceOnHoldRef
 101 DeviceOnHoldCreate                      (
 102                                         CFAllocatorRef          allocator,
 103                                         CFStringRef             devname,     // e.g. "modem"
 104                                         CFDictionaryRef         options
 105                                         );
 106
 107
 108 /*!
 109         @function DeviceOnHoldGetStatus
 110         @discussion Returns the "on hold" status of the device.
 111
 112         @param deviceRef A DeviceOnHoldRef.
 113         @result The status of device.
 114
 115  */
 116 int32_t
 117 DeviceOnHoldGetStatus                   (
 118                                         DeviceOnHoldRef         deviceRef
 119                                         );
 120
 121
 122 /*!
 123         @function DeviceOnHoldSuspend
 124         @discussion Tells the device to go "on hold".
 125
 126         This function will signal the deviceRef to suspend operations
 127
 128         @param deviceRef A DeviceOnHoldRef.
 129         @result Boolean if call succeeded.
 130
 131  */
 132 Boolean
 133 DeviceOnHoldSuspend                     (
 134                                         DeviceOnHoldRef         deviceRef
 135                                         );
 136
 137 /*!
 138         @function DeviceOnHoldResume
 139         @discussion Tells the device to resume.
 140
 141         This function will signal the deviceRef to resume operations
 142
 143         @param deviceRef A DeviceOnHoldRef.
 144         @result Boolean if call succeeded.
 145
 146  */
 147 Boolean
 148 DeviceOnHoldResume                      (
 149                                         DeviceOnHoldRef         deviceRef
 150                                         );
 151
 152 __END_DECLS
 153
 154 #endif  /* _DEVICEONHOLD_H */
 155