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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
#include <google/protobuf/stubs/common.h>
#include <atomic>
#include <errno.h>
#include <sstream>
#include <stdio.h>
#include <vector>
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN // We only need minimal includes
#endif
#include <windows.h>
#define snprintf _snprintf // see comment in strutil.cc
#endif
#if defined(__ANDROID__)
#include <android/log.h>
#endif
#include <google/protobuf/stubs/callback.h>
#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/stubs/once.h>
#include <google/protobuf/stubs/status.h>
#include <google/protobuf/stubs/stringpiece.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/stubs/int128.h>
#include <google/protobuf/port_def.inc>
namespace google {
namespace protobuf {
namespace internal {
void VerifyVersion(int headerVersion,
int minLibraryVersion,
const char* filename) {
if (GOOGLE_PROTOBUF_VERSION < minLibraryVersion) {
// Library is too old for headers.
GOOGLE_LOG(FATAL)
<< "This program requires version " << VersionString(minLibraryVersion)
<< " of the Protocol Buffer runtime library, but the installed version "
"is " << VersionString(GOOGLE_PROTOBUF_VERSION) << ". Please update "
"your library. If you compiled the program yourself, make sure that "
"your headers are from the same version of Protocol Buffers as your "
"link-time library. (Version verification failed in \""
<< filename << "\".)";
}
if (headerVersion < kMinHeaderVersionForLibrary) {
// Headers are too old for library.
GOOGLE_LOG(FATAL)
<< "This program was compiled against version "
<< VersionString(headerVersion) << " of the Protocol Buffer runtime "
"library, which is not compatible with the installed version ("
<< VersionString(GOOGLE_PROTOBUF_VERSION) << "). Contact the program "
"author for an update. If you compiled the program yourself, make "
"sure that your headers are from the same version of Protocol Buffers "
"as your link-time library. (Version verification failed in \""
<< filename << "\".)";
}
}
std::string VersionString(int version) {
int major = version / 1000000;
int minor = (version / 1000) % 1000;
int micro = version % 1000;
// 128 bytes should always be enough, but we use snprintf() anyway to be
// safe.
char buffer[128];
snprintf(buffer, sizeof(buffer), "%d.%d.%d", major, minor, micro);
// Guard against broken MSVC snprintf().
buffer[sizeof(buffer)-1] = '\0';
return buffer;
}
} // namespace internal
// ===================================================================
// emulates google3/base/logging.cc
// If the minimum logging level is not set, we default to logging messages for
// all levels.
#ifndef GOOGLE_PROTOBUF_MIN_LOG_LEVEL
#define GOOGLE_PROTOBUF_MIN_LOG_LEVEL LOGLEVEL_INFO
#endif
namespace internal {
#if defined(__ANDROID__)
inline void DefaultLogHandler(LogLevel level, const char* filename, int line,
const std::string& message) {
if (level < GOOGLE_PROTOBUF_MIN_LOG_LEVEL) {
return;
}
static const char* level_names[] = {"INFO", "WARNING", "ERROR", "FATAL"};
static const int android_log_levels[] = {
ANDROID_LOG_INFO, // LOG(INFO),
ANDROID_LOG_WARN, // LOG(WARNING)
ANDROID_LOG_ERROR, // LOG(ERROR)
ANDROID_LOG_FATAL, // LOG(FATAL)
};
// Bound the logging level.
const int android_log_level = android_log_levels[level];
::std::ostringstream ostr;
ostr << "[libprotobuf " << level_names[level] << " " << filename << ":"
<< line << "] " << message.c_str();
// Output the log string the Android log at the appropriate level.
__android_log_write(android_log_level, "libprotobuf-native",
ostr.str().c_str());
// Also output to std::cerr.
fprintf(stderr, "%s", ostr.str().c_str());
fflush(stderr);
// Indicate termination if needed.
if (android_log_level == ANDROID_LOG_FATAL) {
__android_log_write(ANDROID_LOG_FATAL, "libprotobuf-native",
"terminating.\n");
}
}
#else
void DefaultLogHandler(LogLevel level, const char* filename, int line,
const std::string& message) {
if (level < GOOGLE_PROTOBUF_MIN_LOG_LEVEL) {
return;
}
static const char* level_names[] = { "INFO", "WARNING", "ERROR", "FATAL" };
// We use fprintf() instead of cerr because we want this to work at static
// initialization time.
fprintf(stderr, "[libprotobuf %s %s:%d] %s\n",
level_names[level], filename, line, message.c_str());
fflush(stderr); // Needed on MSVC.
}
#endif
void NullLogHandler(LogLevel /* level */, const char* /* filename */,
int /* line */, const std::string& /* message */) {
// Nothing.
}
static LogHandler* log_handler_ = &DefaultLogHandler;
static std::atomic<int> log_silencer_count_ = ATOMIC_VAR_INIT(0);
LogMessage& LogMessage::operator<<(const std::string& value) {
message_ += value;
return *this;
}
LogMessage& LogMessage::operator<<(const char* value) {
message_ += value;
return *this;
}
LogMessage& LogMessage::operator<<(const StringPiece& value) {
message_ += value.ToString();
return *this;
}
LogMessage& LogMessage::operator<<(const util::Status& status) {
message_ += status.ToString();
return *this;
}
LogMessage& LogMessage::operator<<(const uint128& value) {
std::ostringstream str;
str << value;
message_ += str.str();
return *this;
}
LogMessage& LogMessage::operator<<(char value) {
return *this << StringPiece(&value, 1);
}
LogMessage& LogMessage::operator<<(void* value) {
StrAppend(&message_, strings::Hex(reinterpret_cast<uintptr_t>(value)));
return *this;
}
#undef DECLARE_STREAM_OPERATOR
#define DECLARE_STREAM_OPERATOR(TYPE) \
LogMessage& LogMessage::operator<<(TYPE value) { \
StrAppend(&message_, value); \
return *this; \
}
DECLARE_STREAM_OPERATOR(int)
DECLARE_STREAM_OPERATOR(unsigned int)
DECLARE_STREAM_OPERATOR(long) // NOLINT(runtime/int)
DECLARE_STREAM_OPERATOR(unsigned long) // NOLINT(runtime/int)
DECLARE_STREAM_OPERATOR(double)
DECLARE_STREAM_OPERATOR(long long) // NOLINT(runtime/int)
DECLARE_STREAM_OPERATOR(unsigned long long) // NOLINT(runtime/int)
#undef DECLARE_STREAM_OPERATOR
LogMessage::LogMessage(LogLevel level, const char* filename, int line)
: level_(level), filename_(filename), line_(line) {}
LogMessage::~LogMessage() {}
void LogMessage::Finish() {
bool suppress = false;
if (level_ != LOGLEVEL_FATAL) {
suppress = log_silencer_count_ > 0;
}
if (!suppress) {
log_handler_(level_, filename_, line_, message_);
}
if (level_ == LOGLEVEL_FATAL) {
#if PROTOBUF_USE_EXCEPTIONS
throw FatalException(filename_, line_, message_);
#else
abort();
#endif
}
}
void LogFinisher::operator=(LogMessage& other) {
other.Finish();
}
} // namespace internal
LogHandler* SetLogHandler(LogHandler* new_func) {
LogHandler* old = internal::log_handler_;
if (old == &internal::NullLogHandler) {
old = nullptr;
}
if (new_func == nullptr) {
internal::log_handler_ = &internal::NullLogHandler;
} else {
internal::log_handler_ = new_func;
}
return old;
}
LogSilencer::LogSilencer() {
++internal::log_silencer_count_;
};
LogSilencer::~LogSilencer() {
--internal::log_silencer_count_;
};
// ===================================================================
// emulates google3/base/callback.cc
Closure::~Closure() {}
namespace internal { FunctionClosure0::~FunctionClosure0() {} }
void DoNothing() {}
// ===================================================================
// emulates google3/util/endian/endian.h
//
// TODO(xiaofeng): PROTOBUF_LITTLE_ENDIAN is unfortunately defined in
// google/protobuf/io/coded_stream.h and therefore can not be used here.
// Maybe move that macro definition here in the future.
uint32_t ghtonl(uint32_t x) {
union {
uint32_t result;
uint8_t result_array[4];
};
result_array[0] = static_cast<uint8_t>(x >> 24);
result_array[1] = static_cast<uint8_t>((x >> 16) & 0xFF);
result_array[2] = static_cast<uint8_t>((x >> 8) & 0xFF);
result_array[3] = static_cast<uint8_t>(x & 0xFF);
return result;
}
#if PROTOBUF_USE_EXCEPTIONS
FatalException::~FatalException() throw() {}
const char* FatalException::what() const throw() {
return message_.c_str();
}
#endif
} // namespace protobuf
} // namespace google
#include <google/protobuf/port_undef.inc>