Add miniglog
This commit is contained in:
Kalman
@@ -67,9 +67,9 @@
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#endif
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#if defined(OS_WIN) && !defined(OS_MINGW) && !defined(OS_CYGWIN)
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#define OS_SEP "\\"
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#define MYNTEYE_OS_SEP "\\"
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#else
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#define OS_SEP "/"
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#define MYNTEYE_OS_SEP "/"
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#endif
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#define STRINGIFY_HELPER(X) #X
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@@ -11,10 +11,12 @@
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MYNTEYE_GLOG_INIT_H_ // NOLINT
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#define MYNTEYE_GLOG_INIT_H_
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#ifndef MYNTEYE_LOGGER_H_
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#define MYNTEYE_LOGGER_H_
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#pragma once
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#ifdef WITH_GLOG
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#include <glog/logging.h>
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/** Helper to init glog with args. */
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@@ -25,14 +27,30 @@ struct glog_init {
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glog_init(int argc, char *argv[]) {
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(void)argc;
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// FLAGS_logtostderr = true;
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FLAGS_alsologtostderr = true;
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// Set whether log messages go to stderr instead of logfiles
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FLAGS_logtostderr = true;
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// Set whether log messages go to stderr in addition to logfiles.
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// FLAGS_alsologtostderr = true;
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// Set color messages logged to stderr (if supported by terminal).
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FLAGS_colorlogtostderr = true;
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// FLAGS_log_dir = ".";
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FLAGS_max_log_size = 1024;
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// Log suppression level: messages logged at a lower level than this
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// are suppressed.
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FLAGS_minloglevel = google::GLOG_INFO;
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// If specified, logfiles are written into this directory instead of the
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// default logging directory.
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FLAGS_log_dir = ".";
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// Sets the maximum log file size (in MB).
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FLAGS_max_log_size = 8;
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// Sets whether to avoid logging to the disk if the disk is full.
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FLAGS_stop_logging_if_full_disk = true;
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// Show all VLOG(m) messages for m <= this.
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// FLAGS_v = 2;
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google::InitGoogleLogging(argv[0]);
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@@ -46,4 +64,20 @@ struct glog_init {
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}
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};
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#endif // MYNTEYE_GLOG_INIT_H_ NOLINT
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#else
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struct glog_init {
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glog_init(int argc, char *argv[]) {
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(void)argc;
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(void)argv;
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// Do nothing.
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}
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};
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#define MYNTEYE_MAX_LOG_LEVEL google::INFO
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#include "mynteye/miniglog.h"
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#endif
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#endif // MYNTEYE_LOGGER_H_
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469
include/mynteye/miniglog.h
Normal file
469
include/mynteye/miniglog.h
Normal file
@@ -0,0 +1,469 @@
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// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2013 Google Inc. All rights reserved.
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// http://code.google.com/p/ceres-solver/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: settinger@google.com (Scott Ettinger)
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// mierle@gmail.com (Keir Mierle)
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//
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// Simplified Glog style logging with Android support. Supported macros in
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// decreasing severity level per line:
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//
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// VLOG(2), VLOG(N)
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// VLOG(1),
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// LOG(INFO), VLOG(0), LG
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// LOG(WARNING),
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// LOG(ERROR),
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// LOG(FATAL),
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//
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// With VLOG(n), the output is directed to one of the 5 Android log levels:
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//
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// 2 - Verbose
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// 1 - Debug
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// 0 - Info
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// -1 - Warning
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// -2 - Error
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// -3 - Fatal
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//
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// Any logging of level 2 and above is directed to the Verbose level. All
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// Android log output is tagged with the string "native".
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//
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// If the symbol ANDROID is not defined, all output goes to std::cerr.
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// This allows code to be built on a different system for debug.
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//
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// Portions of this code are taken from the GLOG package. This code is only a
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// small subset of the GLOG functionality. Notable differences from GLOG
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// behavior include lack of support for displaying unprintable characters and
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// lack of stack trace information upon failure of the CHECK macros. On
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// non-Android systems, log output goes to std::cerr and is not written to a
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// file.
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//
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// CHECK macros are defined to test for conditions within code. Any CHECK that
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// fails will log the failure and terminate the application.
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// e.g. CHECK_GE(3, 2) will pass while CHECK_GE(3, 4) will fail after logging
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// "Check failed 3 >= 4".
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//
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// The following CHECK macros are defined:
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//
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// CHECK(condition) - fails if condition is false and logs condition.
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// CHECK_NOTNULL(variable) - fails if the variable is NULL.
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//
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// The following binary check macros are also defined :
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//
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// Macro Operator equivalent
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// -------------------- -------------------
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// CHECK_EQ(val1, val2) val1 == val2
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// CHECK_NE(val1, val2) val1 != val2
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// CHECK_GT(val1, val2) val1 > val2
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// CHECK_GE(val1, val2) val1 >= val2
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// CHECK_LT(val1, val2) val1 < val2
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// CHECK_LE(val1, val2) val1 <= val2
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//
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// Debug only versions of all of the check macros are also defined. These
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// macros generate no code in a release build, but avoid unused variable
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// warnings / errors.
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//
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// To use the debug only versions, prepend a D to the normal check macros, e.g.
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// DCHECK_EQ(a, b).
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#ifndef MYNTEYE_MINIGLOG_H_
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#define MYNTEYE_MINIGLOG_H_
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#include <algorithm>
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#include <ctime>
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#include <fstream>
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#include <iostream>
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "mynteye/mynteye.h"
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#ifdef MYNTEYE_OS_ANDROID
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# include <android/log.h>
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#endif // ANDROID
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// Log severity level constants.
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#ifdef MYNTEYE_OS_WIN
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const int FATAL = -1;
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#ifndef ERROR // NOT windows.h
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const int ERROR = 0;
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#endif
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const int WARNING = 1;
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const int INFO = 2;
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#else
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const int FATAL = -3;
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const int ERROR = -2;
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const int WARNING = -1;
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const int INFO = 0;
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#endif
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// ------------------------- Glog compatibility ------------------------------
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namespace google {
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typedef int LogSeverity;
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const int FATAL = ::FATAL;
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#ifndef ERROR // NOT windows.h
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const int ERROR = ::ERROR;
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#endif
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const int WARNING = ::WARNING;
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const int INFO = ::INFO;
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// Sink class used for integration with mock and test functions. If sinks are
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// added, all log output is also sent to each sink through the send function.
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// In this implementation, WaitTillSent() is called immediately after the send.
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// This implementation is not thread safe.
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class MYNTEYE_API LogSink {
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public:
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virtual ~LogSink() {}
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virtual void send(LogSeverity severity,
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const char* full_filename,
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const char* base_filename,
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int line,
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const struct tm* tm_time,
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const char* message,
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size_t message_len) = 0;
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virtual void WaitTillSent() = 0;
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};
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// Global set of log sinks. The actual object is defined in logging.cc.
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MYNTEYE_API extern std::set<LogSink *> log_sinks_global;
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// Added by chachi - a runtime global maximum log level. Defined in logging.cc
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MYNTEYE_API extern int log_severity_global;
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inline void InitGoogleLogging(char */*argv*/) {
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// Do nothing; this is ignored.
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}
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// Note: the Log sink functions are not thread safe.
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inline void AddLogSink(LogSink *sink) {
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// TODO(settinger): Add locks for thread safety.
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log_sinks_global.insert(sink);
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}
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inline void RemoveLogSink(LogSink *sink) {
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log_sinks_global.erase(sink);
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}
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} // namespace google
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// ---------------------------- Logger Class --------------------------------
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// Class created for each use of the logging macros.
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// The logger acts as a stream and routes the final stream contents to the
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// Android logcat output at the proper filter level. If ANDROID is not
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// defined, output is directed to std::cerr. This class should not
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// be directly instantiated in code, rather it should be invoked through the
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// use of the log macros LG, LOG, or VLOG.
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class MYNTEYE_API MessageLogger {
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public:
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MessageLogger(const char *file, int line, const char *tag, int severity)
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: file_(file), line_(line), tag_(tag), severity_(severity) {
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// Pre-pend the stream with the file and line number.
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StripBasename(std::string(file), &filename_only_);
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stream_ << SeverityLabel() << "/" << filename_only_ << ":" << line << " ";
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}
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// Output the contents of the stream to the proper channel on destruction.
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~MessageLogger() {
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stream_ << "\n";
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#ifdef MYNTEYE_OS_ANDROID
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static const int android_log_levels[] = {
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ANDROID_LOG_FATAL, // LOG(FATAL)
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ANDROID_LOG_ERROR, // LOG(ERROR)
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ANDROID_LOG_WARN, // LOG(WARNING)
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ANDROID_LOG_INFO, // LOG(INFO), LG, VLOG(0)
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ANDROID_LOG_DEBUG, // VLOG(1)
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ANDROID_LOG_VERBOSE, // VLOG(2) .. VLOG(N)
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};
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// Bound the logging level.
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const int kMaxVerboseLevel = 2;
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int android_level_index = std::min(std::max(FATAL, severity_),
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kMaxVerboseLevel) - FATAL;
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int android_log_level = android_log_levels[android_level_index];
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// Output the log string the Android log at the appropriate level.
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__android_log_write(android_log_level, tag_.c_str(), stream_.str().c_str());
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// Indicate termination if needed.
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if (severity_ == FATAL) {
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__android_log_write(ANDROID_LOG_FATAL,
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tag_.c_str(),
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"terminating.\n");
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}
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#else
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// If not building on Android, log all output to std::cerr.
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std::cerr << stream_.str();
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#endif // ANDROID
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LogToSinks(severity_);
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WaitForSinks();
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// Android logging at level FATAL does not terminate execution, so abort()
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// is still required to stop the program.
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if (severity_ == FATAL) {
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abort();
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}
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}
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// Return the stream associated with the logger object.
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std::stringstream &stream() { return stream_; }
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private:
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void LogToSinks(int severity) {
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time_t rawtime;
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struct tm* timeinfo;
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time (&rawtime);
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timeinfo = localtime(&rawtime);
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std::set<google::LogSink*>::iterator iter;
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// Send the log message to all sinks.
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for (iter = google::log_sinks_global.begin();
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iter != google::log_sinks_global.end(); ++iter) {
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(*iter)->send(severity, file_.c_str(), filename_only_.c_str(), line_,
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timeinfo, stream_.str().c_str(), stream_.str().size());
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}
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}
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void WaitForSinks() {
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// TODO(settinger): Add locks for thread safety.
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std::set<google::LogSink *>::iterator iter;
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// Call WaitTillSent() for all sinks.
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for (iter = google::log_sinks_global.begin();
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iter != google::log_sinks_global.end(); ++iter) {
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(*iter)->WaitTillSent();
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}
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}
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void StripBasename(const std::string &full_path, std::string *filename) {
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// TODO(settinger): Add support for OSs with different path separators.
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// const char kSeparator = '/';
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size_t pos = full_path.rfind(MYNTEYE_OS_SEP);
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if (pos != std::string::npos) {
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*filename = full_path.substr(pos + 1, std::string::npos);
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} else {
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*filename = full_path;
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}
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}
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char SeverityLabel() {
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switch (severity_) {
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case INFO:
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return 'I';
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case WARNING:
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return 'W';
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case ERROR:
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return 'E';
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case FATAL:
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return 'F';
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default:
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return 'V';
|
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}
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||||
}
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||||
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std::string file_;
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std::string filename_only_;
|
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int line_;
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std::string tag_;
|
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std::stringstream stream_;
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int severity_;
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||||
};
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||||
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// ---------------------- Logging Macro definitions --------------------------
|
||||
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// This class is used to explicitly ignore values in the conditional
|
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// logging macros. This avoids compiler warnings like "value computed
|
||||
// is not used" and "statement has no effect".
|
||||
class MYNTEYE_API LoggerVoidify {
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||||
public:
|
||||
LoggerVoidify() { }
|
||||
// This has to be an operator with a precedence lower than << but
|
||||
// higher than ?:
|
||||
void operator&(const std::ostream &/*s*/) { }
|
||||
};
|
||||
|
||||
// Log only if condition is met. Otherwise evaluates to void.
|
||||
#define LOG_IF(severity, condition) \
|
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(static_cast<int>(severity) > google::log_severity_global || !(condition)) ? \
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||||
(void) 0 : LoggerVoidify() & \
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||||
MessageLogger((char *)__FILE__, __LINE__, "native", severity).stream()
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||||
|
||||
// Log only if condition is NOT met. Otherwise evaluates to void.
|
||||
#define LOG_IF_FALSE(severity, condition) LOG_IF(severity, !(condition))
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||||
|
||||
// LG is a convenient shortcut for LOG(INFO). Its use is in new
|
||||
// google3 code is discouraged and the following shortcut exists for
|
||||
// backward compatibility with existing code.
|
||||
#ifdef MYNTEYE_MAX_LOG_LEVEL
|
||||
# define LOG(n) LOG_IF(n, (n <= MYNTEYE_MAX_LOG_LEVEL))
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||||
# define VLOG(n) LOG_IF(n, (n <= MYNTEYE_MAX_LOG_LEVEL))
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||||
# define LG LOG_IF(INFO, (INFO <= MYNTEYE_MAX_LOG_LEVEL))
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||||
# define VLOG_IF(n, condition) \
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||||
LOG_IF(n, (n <= MYNTEYE_MAX_LOG_LEVEL) && condition)
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||||
#else
|
||||
# define LOG(n) LOG_IF(n, true)
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||||
# define VLOG(n) LOG_IF(n, true)
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||||
# define LG LOG_IF(INFO, true)
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||||
# define VLOG_IF(n, condition) LOG_IF(n, condition)
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||||
#endif
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||||
|
||||
// Currently, VLOG is always on for levels below MYNTEYE_MAX_LOG_LEVEL.
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||||
#ifndef MYNTEYE_MAX_LOG_LEVEL
|
||||
# define VLOG_IS_ON(x) (1)
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||||
#else
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||||
# define VLOG_IS_ON(x) (x <= MYNTEYE_MAX_LOG_LEVEL)
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||||
#endif
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||||
|
||||
#ifdef MYNTEYE_OS_WIN // INFO is 2, change VLOG(2) to VLOG(4)
|
||||
#undef VLOG
|
||||
#undef VLOG_IF
|
||||
#undef VLOG_IS_ON
|
||||
|
||||
#ifdef MYNTEYE_MAX_LOG_LEVEL
|
||||
# define VLOG(n) LOG_IF(n+2, (n+2 <= MYNTEYE_MAX_LOG_LEVEL))
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||||
# define VLOG_IF(n, condition) \
|
||||
LOG_IF(n+2, (n+2 <= MYNTEYE_MAX_LOG_LEVEL) && condition)
|
||||
#else
|
||||
# define VLOG(n) LOG_IF(n+2, true)
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||||
# define VLOG_IF(n, condition) LOG_IF(n+2, condition)
|
||||
#endif
|
||||
|
||||
#ifndef MYNTEYE_MAX_LOG_LEVEL
|
||||
# define VLOG_IS_ON(x) (1+2)
|
||||
#else
|
||||
# define VLOG_IS_ON(x) (x+2 <= MYNTEYE_MAX_LOG_LEVEL)
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef NDEBUG
|
||||
# define DLOG LOG
|
||||
#else
|
||||
# define DLOG(severity) true ? (void) 0 : LoggerVoidify() & \
|
||||
MessageLogger((char *)__FILE__, __LINE__, "native", severity).stream()
|
||||
#endif
|
||||
|
||||
|
||||
// Log a message and terminate.
|
||||
template<class T>
|
||||
void LogMessageFatal(const char *file, int line, const T &message) {
|
||||
MessageLogger(file, line, "native", FATAL).stream() << message;
|
||||
}
|
||||
|
||||
// ---------------------------- CHECK macros ---------------------------------
|
||||
|
||||
// Check for a given boolean condition.
|
||||
#define CHECK(condition) LOG_IF_FALSE(FATAL, condition) \
|
||||
<< "Check failed: " #condition " "
|
||||
|
||||
#ifndef NDEBUG
|
||||
// Debug only version of CHECK
|
||||
# define DCHECK(condition) LOG_IF_FALSE(FATAL, condition) \
|
||||
<< "Check failed: " #condition " "
|
||||
#else
|
||||
// Optimized version - generates no code.
|
||||
# define DCHECK(condition) if (false) LOG_IF_FALSE(FATAL, condition) \
|
||||
<< "Check failed: " #condition " "
|
||||
#endif // NDEBUG
|
||||
|
||||
// ------------------------- CHECK_OP macros ---------------------------------
|
||||
|
||||
// Generic binary operator check macro. This should not be directly invoked,
|
||||
// instead use the binary comparison macros defined below.
|
||||
#define CHECK_OP(val1, val2, op) LOG_IF_FALSE(FATAL, (val1 op val2)) \
|
||||
<< "Check failed: " #val1 " " #op " " #val2 " "
|
||||
|
||||
// Check_op macro definitions
|
||||
#define CHECK_EQ(val1, val2) CHECK_OP(val1, val2, ==)
|
||||
#define CHECK_NE(val1, val2) CHECK_OP(val1, val2, !=)
|
||||
#define CHECK_LE(val1, val2) CHECK_OP(val1, val2, <=)
|
||||
#define CHECK_LT(val1, val2) CHECK_OP(val1, val2, <)
|
||||
#define CHECK_GE(val1, val2) CHECK_OP(val1, val2, >=)
|
||||
#define CHECK_GT(val1, val2) CHECK_OP(val1, val2, >)
|
||||
|
||||
#ifndef NDEBUG
|
||||
// Debug only versions of CHECK_OP macros.
|
||||
# define DCHECK_EQ(val1, val2) CHECK_OP(val1, val2, ==)
|
||||
# define DCHECK_NE(val1, val2) CHECK_OP(val1, val2, !=)
|
||||
# define DCHECK_LE(val1, val2) CHECK_OP(val1, val2, <=)
|
||||
# define DCHECK_LT(val1, val2) CHECK_OP(val1, val2, <)
|
||||
# define DCHECK_GE(val1, val2) CHECK_OP(val1, val2, >=)
|
||||
# define DCHECK_GT(val1, val2) CHECK_OP(val1, val2, >)
|
||||
#else
|
||||
// These versions generate no code in optimized mode.
|
||||
# define DCHECK_EQ(val1, val2) if (false) CHECK_OP(val1, val2, ==)
|
||||
# define DCHECK_NE(val1, val2) if (false) CHECK_OP(val1, val2, !=)
|
||||
# define DCHECK_LE(val1, val2) if (false) CHECK_OP(val1, val2, <=)
|
||||
# define DCHECK_LT(val1, val2) if (false) CHECK_OP(val1, val2, <)
|
||||
# define DCHECK_GE(val1, val2) if (false) CHECK_OP(val1, val2, >=)
|
||||
# define DCHECK_GT(val1, val2) if (false) CHECK_OP(val1, val2, >)
|
||||
#endif // NDEBUG
|
||||
|
||||
// ---------------------------CHECK_NOTNULL macros ---------------------------
|
||||
|
||||
// Helpers for CHECK_NOTNULL(). Two are necessary to support both raw pointers
|
||||
// and smart pointers.
|
||||
template <typename T>
|
||||
T& CheckNotNullCommon(const char *file, int line, const char *names, T& t) {
|
||||
if (t == NULL) {
|
||||
LogMessageFatal(file, line, std::string(names));
|
||||
}
|
||||
return t;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T* CheckNotNull(const char *file, int line, const char *names, T* t) {
|
||||
return CheckNotNullCommon(file, line, names, t);
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T& CheckNotNull(const char *file, int line, const char *names, T& t) {
|
||||
return CheckNotNullCommon(file, line, names, t);
|
||||
}
|
||||
|
||||
// Check that a pointer is not null.
|
||||
#define CHECK_NOTNULL(val) \
|
||||
CheckNotNull(__FILE__, __LINE__, "'" #val "' Must be non NULL", (val))
|
||||
|
||||
#ifndef NDEBUG
|
||||
// Debug only version of CHECK_NOTNULL
|
||||
#define DCHECK_NOTNULL(val) \
|
||||
CheckNotNull(__FILE__, __LINE__, "'" #val "' Must be non NULL", (val))
|
||||
#else
|
||||
// Optimized version - generates no code.
|
||||
#define DCHECK_NOTNULL(val) if (false)\
|
||||
CheckNotNull(__FILE__, __LINE__, "'" #val "' Must be non NULL", (val))
|
||||
#endif // NDEBUG
|
||||
|
||||
#endif // MYNTEYE_MINIGLOG_H_
|
||||
Reference in New Issue
Block a user