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      1 /*
      2  * Copyright (C) 2014 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 #ifndef _LOGD_LOG_WHITE_BLACK_LIST_H__
     18 #define _LOGD_LOG_WHITE_BLACK_LIST_H__
     19 
     20 #include <sys/types.h>
     21 
     22 #include <list>
     23 #include <string.h>
     24 
     25 #include "LogBufferElement.h"
     26 
     27 // White and Blacklist
     28 
     29 class Prune {
     30     friend class PruneList;
     31 
     32     const uid_t mUid;
     33     const pid_t mPid;
     34     int cmp(uid_t uid, pid_t pid) const;
     35 
     36 public:
     37     static const uid_t uid_all = (uid_t) -1;
     38     static const pid_t pid_all = (pid_t) -1;
     39 
     40     Prune(uid_t uid, pid_t pid);
     41 
     42     uid_t getUid() const { return mUid; }
     43     pid_t getPid() const { return mPid; }
     44 
     45     int cmp(LogBufferElement *e) const { return cmp(e->getUid(), e->getPid()); }
     46 
     47     std::string format();
     48 };
     49 
     50 typedef std::list<Prune> PruneCollection;
     51 
     52 class PruneList {
     53     PruneCollection mNaughty;
     54     PruneCollection mNice;
     55     bool mWorstUidEnabled;
     56     bool mWorstPidOfSystemEnabled;
     57 
     58 public:
     59     PruneList();
     60     ~PruneList();
     61 
     62     int init(const char *str);
     63 
     64     bool naughty(LogBufferElement *element);
     65     bool naughty(void) { return !mNaughty.empty(); }
     66     bool nice(LogBufferElement *element);
     67     bool nice(void) { return !mNice.empty(); }
     68     bool worstUidEnabled() const { return mWorstUidEnabled; }
     69     bool worstPidOfSystemEnabled() const { return mWorstPidOfSystemEnabled; }
     70 
     71     std::string format();
     72 };
     73 
     74 #endif // _LOGD_LOG_WHITE_BLACK_LIST_H__
     75