1/* 2 * Copyright (c) 2013 Apple 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#ifndef PowerManagement_Platform_h 25#define PowerManagement_Platform_h 26#include "PrivateLib.h" 27 28#if !TARGET_OS_EMBEDDED 29#define TCPKEEPALIVE 1 30#endif 31 32#define kTCPKeepAliveExpireSecs (12*60*60) // 12 hours 33 34typedef enum { 35 kNotSupported = 0, 36 kActive, 37 kInactive, 38} tcpKeepAliveStates_et; 39 40 41typedef struct { 42 int qIndex; 43 int darkWakesCount; 44 int wakeQuota; 45 CFTimeInterval wakeQuotaInterval; 46 CFAbsoluteTime *darkWakes; 47 long overrideSec; 48 tcpKeepAliveStates_et state; 49 dispatch_source_t expiration; 50} TCPKeepAliveStruct; 51 52/*! getTCPKeepAliveState 53 * 54 * @param buf Upon return, this buffer will contain a string either "active", 55 * if TCPKeepAlive is active; 56 * or "inactive: <reasons>" with the reason that it's inactive. 57 * inactive: expired, quota 58 * or "unsupported" 59 * @result Returns a state value from enum tcpKeepAliveStates_et 60 */ 61__private_extern__ tcpKeepAliveStates_et getTCPKeepAliveState(char *buf, int buflen); 62 63__private_extern__ void startTCPKeepAliveExpTimer( ); 64__private_extern__ void cancelTCPKeepAliveExpTimer( ); 65__private_extern__ void startTCPKeepAliveExpTimer( ); 66__private_extern__ void cancelTCPKeepAliveExpTimer( ); 67#endif 68