1 /* 2 * Copyright (C) 2012-2015 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_UTILS_H__ 18 #define _LOGD_LOG_UTILS_H__ 19 20 #include <sys/types.h> 21 22 #include <log/log.h> 23 #include <sysutils/SocketClient.h> 24 25 // Hijack this header as a common include file used by most all sources 26 // to report some utilities defined here and there. 27 28 namespace android { 29 30 // Furnished in main.cpp. Caller must own and free returned value 31 char *uidToName(uid_t uid); 32 33 // Furnished in LogStatistics.cpp. Caller must own and free returned value 34 char *pidToName(pid_t pid); 35 char *tidToName(pid_t tid); 36 37 // Furnished in main.cpp. Thread safe. 38 const char *tagToName(uint32_t tag); 39 40 } 41 42 // Furnished in LogCommand.cpp 43 bool clientHasLogCredentials(uid_t uid, gid_t gid, pid_t pid); 44 bool clientHasLogCredentials(SocketClient *cli); 45 46 // Furnished in main.cpp 47 #define BOOL_DEFAULT_FLAG_TRUE_FALSE 0x1 48 #define BOOL_DEFAULT_FALSE 0x0 // false if property not present 49 #define BOOL_DEFAULT_TRUE 0x1 // true if property not present 50 #define BOOL_DEFAULT_FLAG_PERSIST 0x2 // <key>, persist.<key>, ro.<key> 51 #define BOOL_DEFAULT_FLAG_ENG 0x4 // off for user 52 #define BOOL_DEFAULT_FLAG_SVELTE 0x8 // off for low_ram 53 54 bool property_get_bool(const char *key, int def); 55 56 static inline bool worstUidEnabledForLogid(log_id_t id) { 57 return (id == LOG_ID_MAIN) || (id == LOG_ID_SYSTEM) || (id == LOG_ID_RADIO); 58 } 59 60 template <int (*cmp)(const char *l, const char *r, const size_t s)> 61 static inline int fast(const char *l, const char *r, const size_t s) { 62 return (*l != *r) || cmp(l + 1, r + 1, s - 1); 63 } 64 65 template <int (*cmp)(const void *l, const void *r, const size_t s)> 66 static inline int fast(const void *lv, const void *rv, const size_t s) { 67 const char *l = static_cast<const char *>(lv); 68 const char *r = static_cast<const char *>(rv); 69 return (*l != *r) || cmp(l + 1, r + 1, s - 1); 70 } 71 72 template <int (*cmp)(const char *l, const char *r)> 73 static inline int fast(const char *l, const char *r) { 74 return (*l != *r) || cmp(l + 1, r + 1); 75 } 76 77 #endif // _LOGD_LOG_UTILS_H__ 78
