1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "UidMarkMap.h" 18 19 UidMarkMap::UidMarkEntry::UidMarkEntry(int start, int end, int new_mark) : 20 uid_start(start), 21 uid_end(end), 22 mark(new_mark) { 23 }; 24 25 bool UidMarkMap::add(int uid_start, int uid_end, int mark) { 26 android::RWLock::AutoWLock lock(mRWLock); 27 if (uid_start > uid_end) { 28 return false; 29 } 30 android::netd::List<UidMarkEntry*>::iterator it; 31 for (it = mMap.begin(); it != mMap.end(); it++) { 32 UidMarkEntry *entry = *it; 33 if (entry->uid_start <= uid_end && uid_start <= entry->uid_end) { 34 return false; 35 } 36 } 37 38 UidMarkEntry *e = new UidMarkEntry(uid_start, uid_end, mark); 39 mMap.push_back(e); 40 return true; 41 }; 42 43 bool UidMarkMap::remove(int uid_start, int uid_end, int mark) { 44 android::RWLock::AutoWLock lock(mRWLock); 45 android::netd::List<UidMarkEntry*>::iterator it; 46 for (it = mMap.begin(); it != mMap.end(); it++) { 47 UidMarkEntry *entry = *it; 48 if (entry->uid_start == uid_start && entry->uid_end == uid_end && entry->mark == mark) { 49 mMap.erase(it); 50 delete entry; 51 return true; 52 } 53 } 54 return false; 55 }; 56 57 int UidMarkMap::getMark(int uid) { 58 android::RWLock::AutoRLock lock(mRWLock); 59 android::netd::List<UidMarkEntry*>::iterator it; 60 for (it = mMap.begin(); it != mMap.end(); it++) { 61 UidMarkEntry *entry = *it; 62 if (entry->uid_start <= uid && entry->uid_end >= uid) { 63 return entry->mark; 64 } 65 } 66 return -1; 67 }; 68 69 bool UidMarkMap::anyRulesForMark(int mark) { 70 android::RWLock::AutoRLock lock(mRWLock); 71 android::netd::List<UidMarkEntry*>::iterator it; 72 for (it = mMap.begin(); it != mMap.end(); it++) { 73 UidMarkEntry *entry = *it; 74 if (entry->mark == mark) { 75 return true; 76 } 77 } 78 return false; 79 } 80
