add implementation

CMakeLists.txt

@@ -41,6 +41,7 @@ add_executable(vl_test
         ${PROJECT_SOURCE_DIR}/visualdl/logic/histogram_test.cc
         ${PROJECT_SOURCE_DIR}/visualdl/storage/storage_test.cc
         ${PROJECT_SOURCE_DIR}/visualdl/utils/test_concurrency.cc
+        ${PROJECT_SOURCE_DIR}/visualdl/utils/test_logging.cc
         ${PROJECT_SOURCE_DIR}/visualdl/utils/test_image.cc
         ${PROJECT_SOURCE_DIR}/visualdl/utils/concurrency.h
         ${PROJECT_SOURCE_DIR}/visualdl/utils/filesystem.h

visualdl/logic/histogram.h

 #ifndef VISUALDL_LOGIC_HISTOGRAM_H
 #define VISUALDL_LOGIC_HISTOGRAM_H
 
-#include <glog/logging.h>
 #include <cstdlib>
 #include <limits>
 #include <vector>
 
+#include "visualdl/utils/logging.h"
+
 namespace visualdl {
 
 // An interface to retrieve records of a histogram.

visualdl/logic/im.cc

-#include <glog/logging.h>
 #include <ctime>
 
 #include "visualdl/logic/im.h"

visualdl/logic/im.h

 #ifndef VISUALDL_LOGIC_IM_H
 #define VISUALDL_LOGIC_IM_H
 
-#include <glog/logging.h>
 #include <memory>
 #include <mutex>
 #include <string>
 
 #include "visualdl/utils/concurrency.h"
 #include "visualdl/utils/guard.h"
+#include "visualdl/utils/logging.h"
 
 namespace visualdl {
 

visualdl/storage/storage.h

 #ifndef VISUALDL_STORAGE_STORAGE_H
 #define VISUALDL_STORAGE_STORAGE_H
 
-#include <glog/logging.h>
 #include <algorithm>
 #include <set>
 #include <vector>

visualdl/storage/tablet.h

 #ifndef VISUALDL_TABLET_H
 #define VISUALDL_TABLET_H
 
-#include <glog/logging.h>
-
 #include "visualdl/logic/im.h"
 #include "visualdl/storage/record.h"
 #include "visualdl/storage/storage.pb.h"

visualdl/test.cc

 #include "gtest/gtest.h"
 
+#include "visualdl/utils/logging.h"
+
 int main(int argc, char **argv) {
   ::testing::InitGoogleTest(&argc, argv);
+  std::signal(SIGINT, visualdl::log::SignalHandler);
   return RUN_ALL_TESTS();
-}
\ No newline at end of file
+}

visualdl/utils/concurrency.h

 #ifndef VISUALDL_UTILS_CONCURRENCY_H
 #define VISUALDL_UTILS_CONCURRENCY_H
 
-#include <glog/logging.h>
 #include <chrono>
 #include <memory>
 #include <thread>
 #include <vector>
 
+#include "visualdl/utils/logging.h"
+
 namespace visualdl {
 namespace cc {
 

visualdl/utils/filesystem.h

@@ -44,7 +44,6 @@ bool DeSerializeFromFile(T* proto, const std::string& path) {
 }
 
 static void TryMkdir(const std::string& dir) {
-  VLOG(1) << "try to mkdir " << dir;
   struct stat st = {0};
   if (stat(dir.c_str(), &st) == -1) {
     ::mkdir(dir.c_str(), 0700);
@@ -67,7 +66,6 @@ static void TryRecurMkdir(const std::string& path) {
 inline void Write(const std::string& path,
                   const std::string& buffer,
                   std::ios::openmode open_mode = std::ios::binary) {
-  VLOG(1) << "write to path " << path;
   std::ofstream file(path, open_mode);
   CHECK(file.is_open()) << "failed to open " << path;
   file.write(buffer.c_str(), buffer.size());
@@ -76,7 +74,6 @@ inline void Write(const std::string& path,
 
 inline std::string Read(const std::string& path,
                         std::ios::openmode open_mode = std::ios::binary) {
-  VLOG(1) << "read from path " << path;
   std::string buffer;
   std::ifstream file(path, open_mode | std::ios::ate);
   CHECK(file.is_open()) << "failed to open " << path;

visualdl/utils/image.h

 #ifndef VISUALDL_UTILS_IMAGE_H
 #define VISUALDL_UTILS_IMAGE_H
 
-#include <glog/logging.h>
 #include <Eigen/Core>
 #include <unsupported/Eigen/CXX11/Tensor>
 
+#include "visualdl/utils/logging.h"
+
 namespace visualdl {
 
 using uint8_t = unsigned char;

visualdl/utils/log.h

-#ifndef VISUALDL_UTILS_LOG_H
-#define VISUALDL_UTILS_LOG_H
-
-#include <stdexcept>
-
-namespace visualdl {
-
-namespace log {
-
-class NotImplementedException : public std::logic_error {
-public:
-  NotImplementedException() : std::logic_error{"Function not implemented"} {}
-};
-
-}  // namespace log
-
-}  // namespace visualdl
-
-#endif

visualdl/utils/logging.h

+#ifndef VISUALDL_UTILS_LOGGING_H
+#define VISUALDL_UTILS_LOGGING_H
+
+#include <iostream>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <csignal>
+
+#if defined(VISUALDL_WITH_GLOG)
+#include <glog/logging.h>
+#endif
+
+namespace visualdl {
+namespace logging {
+#if !defined(VISUALDL_WITH_GLOG)
+
+// basic log stream for INFO, ERROR, WARNING
+struct LogStream {
+  LogStream(const char* file, int line) : os_(std::cerr) {
+    os_ << "[" << file << ":" << line << "] ";
+  }
+
+  ~LogStream() { os_ << "\n"; }
+
+  std::ostream& stream() { return os_; }
+
+  void operator=(const LogStream&) = delete;
+  LogStream(const LogStream&) = delete;
+
+private:
+  std::ostream& os_;
+};
+#endif
+
+#if !defined(VISUALDL_WITH_GLOG)
+#if defined(VISUALDL_FATAL_ABORT)
+// log stream for FATAL
+struct LogStreamFatal : public LogStream {
+  LogStreamFatal(const char* file, int line) : LogStream(file, line) {}
+  ~LogStreamFatal() { abort(); }
+
+  LogStreamFatal(const LogStreamFatal&) = delete;
+  void operator=(const LogStreamFatal&) = delete;
+};
+
+#else
+
+struct Error : public std::runtime_error {
+  explicit Error(const std::string& s) : std::runtime_error(s) {}
+};
+
+// With exception.
+struct LogStreamFatal {
+  LogStreamFatal(const char* file, int line) {
+    ss << "[" << file << ":" << line << "] ";
+  }
+
+  std::stringstream& stream() { return ss; }
+
+  ~LogStreamFatal() {
+    std::cerr << "throw exception" << std::endl;
+    //throw Error(ss.str());
+    throw std::exception();
+  }
+
+private:
+  std::stringstream ss;
+};
+
+#endif  // VISUALDL_FATAL_ABORT
+#endif  // VISUALDL_WITH_GLOG
+
+#ifndef VISUALDL_WITH_GLOG
+
+#define LOG(severity) LOG_##severity
+#define LOG_INFO visualdl::logging::LogStream(__FILE__, __LINE__).stream()
+#define LOG_WARNING LOG_INFO
+#define LOG_ERROR LOG_INFO
+#define LOG_FATAL visualdl::logging::LogStreamFatal(__FILE__, __LINE__).stream()
+// basic version without support for debug level.
+#define VLOG(x) LOG_INFO
+
+#define CHECK(cond)                                              \
+  if (!(cond))                                                   \
+  visualdl::logging::LogStreamFatal(__FILE__, __LINE__).stream() \
+      << "Check failed: " << #cond << " "
+#define CHECK_EQ(v0, v1) CHECK_BINARY(v0, v1, ==)
+#define CHECK_GE(v0, v1) CHECK_BINARY(v0, v1, >=)
+#define CHECK_GT(v0, v1) CHECK_BINARY(v0, v1, >)
+#define CHECK_LE(v0, v1) CHECK_BINARY(v0, v1, <=)
+#define CHECK_LT(v0, v1) CHECK_BINARY(v0, v1, <)
+#define CHECK_BINARY(v0, v1, op) \
+  if (!(v0 op v1)) LOG_FATAL << " Check failed: " << v0 << #op << v1 << " "
+
+#endif  // ifndef VISUALDL_WITH_GLOG
+
+}  // namespace logging
+}  // namespace visualdl
+
+namespace visualdl {
+
+namespace log {
+
+class NotImplementedException : public std::logic_error {
+public:
+  NotImplementedException() : std::logic_error{"Function not implemented"} {}
+};
+
+static void SignalHandler(int sig) {
+  LOG(INFO) << "get signal " << sig;
+  exit(sig);
+}
+
+struct __once_caller__ {
+  __once_caller__() {
+    std::signal(SIGINT, SignalHandler);
+  }
+  
+};
+
+
+
+}  // namespace log
+
+}  // namespace visualdl
+
+#endif

visualdl/utils/test_concurrency.cc

 #include "visualdl/utils/concurrency.h"
 
-#include <glog/logging.h>
 #include <gtest/gtest.h>
 
+#include "visualdl/utils/logging.h"
+
 namespace visualdl {
 
 int counter = 0;

visualdl/utils/test_logging.cc

+#ifdef VISUALDL_WITH_GLOG
+#undef VISUALDL_WITH_GLOG
+#endif
+#include "visualdl/utils/logging.h"
+
+#include <gtest/gtest.h>
+
+TEST(Log, LOG) { LOG(INFO) << "hello world"; }
+
+TEST(Log, CHECK) { CHECK_EQ(1, 1) << "yes this works"; }
+TEST(Log, CHECK_FAIL) {
+  try {
+    CHECK_LE(3, 2) << "this is wrong";
+  } catch (const visualdl::logging::Error& e) {
+    LOG(INFO) << "in exception";
+  } catch (...) {}
+}