0fe3b67024
We're trying to remove the implicit dependency on libsysutils that *all* code has via the symlink in system/core/include/, but netd and logd have code that #includes the headers without declaring the dependency (which works out in the end because their executables declare the dependency). Bug: http://b/165825252 Test: treehugger Change-Id: I8c582e427d9dbe7d9f8172c445f38ae2737a9049
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
|
|
* Copyright (C) 2012-2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <private/android_logger.h>
|
|
#include <utils/FastStrcmp.h>
|
|
|
|
// Hijack this header as a common include file used by most all sources
|
|
// to report some utilities defined here and there.
|
|
|
|
#define LOGD_SNDTIMEO 32
|
|
|
|
namespace android {
|
|
|
|
// Furnished in main.cpp. Caller must own and free returned value
|
|
char* uidToName(uid_t uid);
|
|
|
|
// Caller must own and free returned value
|
|
char* pidToName(pid_t pid);
|
|
char* tidToName(pid_t tid);
|
|
|
|
// Furnished in LogTags.cpp. Thread safe.
|
|
const char* tagToName(uint32_t tag);
|
|
|
|
// Furnished by LogKlog.cpp
|
|
char* log_strntok_r(char* s, ssize_t& len, char*& saveptr, ssize_t& sublen);
|
|
|
|
// needle should reference a string longer than 1 character
|
|
static inline const char* strnstr(const char* s, ssize_t len,
|
|
const char* needle) {
|
|
if (len <= 0) return nullptr;
|
|
|
|
const char c = *needle++;
|
|
const size_t needleLen = strlen(needle);
|
|
do {
|
|
do {
|
|
if (len <= (ssize_t)needleLen) return nullptr;
|
|
--len;
|
|
} while (*s++ != c);
|
|
} while (fastcmp<memcmp>(s, needle, needleLen));
|
|
s--;
|
|
return s;
|
|
}
|
|
}
|
|
|
|
// Returns true if the log buffer is meant for binary logs.
|
|
static inline bool IsBinary(log_id_t log_id) {
|
|
return log_id == LOG_ID_EVENTS || log_id == LOG_ID_STATS || log_id == LOG_ID_SECURITY;
|
|
}
|
|
|
|
// Returns the numeric log tag for binary log messages.
|
|
static inline uint32_t MsgToTag(const char* msg, uint16_t msg_len) {
|
|
if (msg_len < sizeof(android_event_header_t)) {
|
|
return 0;
|
|
}
|
|
|
|
return reinterpret_cast<const android_event_header_t*>(msg)->tag;
|
|
}
|
|
|
|
static inline bool worstUidEnabledForLogid(log_id_t id) {
|
|
return (id == LOG_ID_MAIN) || (id == LOG_ID_SYSTEM) ||
|
|
(id == LOG_ID_RADIO) || (id == LOG_ID_EVENTS);
|
|
}
|