Initial commit
authorSangyoon Jang <jeremy.jang@samsung.com>
Wed, 10 Jan 2018 02:06:42 +0000 (11:06 +0900)
committerSangyoon Jang <jeremy.jang@samsung.com>
Tue, 16 Jan 2018 08:23:44 +0000 (17:23 +0900)
Change-Id: I8b3647bf4a4f3f04ec07d9beda9a5276f518c583
Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
16 files changed:
CMakeLists.txt [new file with mode: 0644]
LICENSE [new file with mode: 0644]
packaging/capmgr.manifest [new file with mode: 0644]
packaging/capmgr.spec [new file with mode: 0644]
src/appcontrol_manager.h [new file with mode: 0644]
src/capability.h [new file with mode: 0644]
src/capability_manager.cc [new file with mode: 0644]
src/capability_manager.h [new file with mode: 0644]
src/main.cc [new file with mode: 0644]
src/package_event_listener.cc [new file with mode: 0644]
src/package_event_listener.h [new file with mode: 0644]
src/remote_device.h [new file with mode: 0644]
src/remote_device_manager.h [new file with mode: 0644]
src/utils/logging.cc [new file with mode: 0644]
src/utils/logging.h [new file with mode: 0644]
tools/check-coding-style [new file with mode: 0755]

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644 (file)
index 0000000..c1c99e9
--- /dev/null
@@ -0,0 +1,40 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+SET(CMAKE_SKIP_BUILD_RPATH true)
+
+PROJECT(capmgr)
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+SET(EXEC_PREFIX "\${prefix}")
+SET(LIBDIR ${LIB_INSTALL_DIR})
+SET(INCLUDEDIR "\${prefix}/include")
+
+## Compiler flags
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fvisibility=hidden -g -Wall -fPIE")
+
+## Linker flags
+SET(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed -pie -ldl")
+
+#INCLUDE_DIRECTORIES(include)
+INCLUDE(FindPkgConfig)
+
+ADD_DEFINITIONS("-DPROJECT_TAG=\"CAPMGR\"")
+
+SET(CAPMGR "capmgr")
+#SET(SRCS src/main.cc)
+AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/src SRC)
+AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/src/utils SRC_UTILS)
+
+SET(SERVER_CHECK_MODULES dlog glib-2.0 pkgmgr pkgmgr-info)
+
+PKG_CHECK_MODULES(DEPS REQUIRED ${SERVER_CHECK_MODULES})
+
+FOREACH(FLAGS ${DEPS_CFLAGS})
+       SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
+ENDFOREACH(FLAGS)
+
+ADD_EXECUTABLE(${CAPMGR} ${SRC} ${SRC_UTILS})
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+TARGET_LINK_LIBRARIES(${CAPMGR} ${DEPS_LDFLAGS})
+
+INSTALL(TARGETS ${CAPMGR} DESTINATION bin)
diff --git a/LICENSE b/LICENSE
new file mode 100644 (file)
index 0000000..a06208b
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,204 @@
+Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+
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diff --git a/packaging/capmgr.manifest b/packaging/capmgr.manifest
new file mode 100644 (file)
index 0000000..a76fdba
--- /dev/null
@@ -0,0 +1,5 @@
+<manifest>
+       <request>
+               <domain name="_" />
+       </request>
+</manifest>
diff --git a/packaging/capmgr.spec b/packaging/capmgr.spec
new file mode 100644 (file)
index 0000000..5eed1b0
--- /dev/null
@@ -0,0 +1,39 @@
+Name:       capmgr
+Summary:    Capability Manager
+Version:    0.0.1
+Release:    1
+Group:      Application Framework/Package Management
+License:    Apache-2.0
+Source0:    %{name}-%{version}.tar.gz
+Source1001: %{name}.manifest
+BuildRequires:  cmake
+BuildRequires:  pkgconfig(glib-2.0)
+#BuildRequires:  pkgconfig(gio-2.0)
+BuildRequires:  pkgconfig(dlog)
+BuildRequires:  pkgconfig(pkgmgr)
+BuildRequires:  pkgconfig(pkgmgr-info)
+BuildRequires:  boost-devel
+
+%description
+Tizen Capability Manager
+
+%prep
+%setup -q
+cp %{SOURCE1001} .
+
+%build
+%cmake .
+
+%__make %{?_smp_mflags}
+
+%install
+%make_install
+
+%post
+/sbin/ldconfig
+
+%files
+%manifest %{name}.manifest
+%license LICENSE
+%defattr(-,root,root,-)
+%{_bindir}/*
diff --git a/src/appcontrol_manager.h b/src/appcontrol_manager.h
new file mode 100644 (file)
index 0000000..1354690
--- /dev/null
@@ -0,0 +1,21 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef APPCONTROL_MANAGER_H_
+#define APPCONTROL_MANAGER_H_
+
+#include <glib.h>
+
+namespace capmgr {
+
+class AppControlManager {
+ public:
+  AppControlManager();
+  ~AppControlManager();
+ private:
+};
+
+}  // namespace capmgr
+
+#endif  // APPCONTROL_MANAGER_H_
diff --git a/src/capability.h b/src/capability.h
new file mode 100644 (file)
index 0000000..ea6c289
--- /dev/null
@@ -0,0 +1,32 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef CAPABILITY_H_
+#define CAPABILITY_H_
+
+#include <string>
+#include <utility>
+
+namespace capmgr {
+
+class Capability {
+ public:
+  explicit Capability(const std::string& name, const std::string& pkgid,
+                      const std::string& appid)
+      : name_(std::move(name)), pkgid_(std::move(pkgid)),
+        appid_(std::move(appid)) {}
+
+  const std::string& name() const { return name_; }
+  const std::string& pkgid() const { return pkgid_; }
+  const std::string& appid() const { return appid_; }
+
+ private:
+  std::string name_;
+  std::string pkgid_;
+  std::string appid_;
+};
+
+}  // namespace capmgr
+
+#endif  // CAPABILITY_H_
diff --git a/src/capability_manager.cc b/src/capability_manager.cc
new file mode 100644 (file)
index 0000000..b5b2647
--- /dev/null
@@ -0,0 +1,178 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#include "src/capability_manager.h"
+
+#include <glib.h>
+#include <pkgmgr-info.h>
+
+#include <iostream>
+
+#include "src/capability.h"
+#include "src/package_event_listener.h"
+#include "src/utils/logging.h"
+
+namespace {
+
+struct CallbackData {
+  const char* pkgid;
+  const char* appid;
+  std::vector<capmgr::Capability>* list;
+};
+
+int AppControlListCb(const char* operation, const char* uri, const char* mime,
+    void* user_data) {
+  struct CallbackData* cbdata =
+      static_cast<struct CallbackData*>(user_data);
+  // test code
+  std::string capname = std::string(operation) + "|" +
+                        std::string(uri ? uri : "empty_uri") + "|" +
+                        std::string(mime ? mime : "empty_mime");
+
+  cbdata->list->emplace_back(capname,
+                             cbdata->pkgid,
+                             cbdata->appid);
+  return 0;
+}
+
+int AppListCb(const pkgmgrinfo_appinfo_h handle, void* user_data) {
+  char* appid;
+  int ret = pkgmgrinfo_appinfo_get_appid(handle, &appid);
+  if (ret != PMINFO_R_OK)
+    return 0;
+
+  struct CallbackData* cbdata = static_cast<struct CallbackData*>(user_data);
+  cbdata->appid = appid;
+
+  // load local caps
+  ret = pkgmgrinfo_appinfo_foreach_appcontrol(handle, AppControlListCb,
+      user_data);
+  if (ret)
+    return 1;
+  return 0;
+}
+
+int PkgListCb(const pkgmgrinfo_pkginfo_h handle, void* user_data) {
+  char* pkgid;
+  int ret = pkgmgrinfo_pkginfo_get_pkgid(handle, &pkgid);
+  if (ret != PMINFO_R_OK)
+    return 0;
+
+  struct CallbackData* cbdata = static_cast<struct CallbackData*>(user_data);
+  cbdata->pkgid = pkgid;
+
+  ret = pkgmgrinfo_appinfo_get_list(handle, PMINFO_ALL_APP, AppListCb,
+      user_data);
+  if (ret != PMINFO_R_OK)
+    return 0;
+
+  return 0;
+}
+
+}  // namespace
+
+namespace capmgr {
+
+CapabilityManager::CapabilityManager() {}
+CapabilityManager::~CapabilityManager() {}
+
+const std::vector<Capability>& CapabilityManager::GetCapabilities() const {
+  return list_;
+}
+
+bool CapabilityManager::AddCapability(const Capability& capability) {
+  list_.push_back(std::move(capability));
+  return true;
+}
+
+// debug
+bool CapabilityManager::ListCapabilities() {
+  for (const auto& cap : list_) {
+    LOG(DEBUG) << "1: " << cap.name() << ", 2: " << cap.pkgid()
+               << ", 3: " << cap.appid();
+  }
+  return true;
+}
+
+bool CapabilityManager::LoadCapabilities() {
+  struct CallbackData cbdata;
+  cbdata.list = &list_;
+  int ret = pkgmgrinfo_pkginfo_get_list(PkgListCb, static_cast<void*>(&cbdata));
+  if (ret != PMINFO_R_OK)
+    return false;
+
+  PackageEventListener::RegisterEventHandler(std::bind(
+      &capmgr::CapabilityManager::HandlePackageEvent, this,
+      std::placeholders::_1, std::placeholders::_2));
+
+  return true;
+}
+
+void CapabilityManager::HandlePackageEvent(const std::string& pkgid,
+    PackageEventListener::EventType event_type) {
+  LOG(DEBUG) << "Event received: " << pkgid << " "
+             << static_cast<int>(event_type);
+
+  // update caps
+  switch (event_type) {
+    case PackageEventListener::EventType::INSTALL:
+      AddCapabilitiesByPkgId(pkgid);
+      break;
+    case PackageEventListener::EventType::UPDATE:
+      RemoveCapabilitiesByPkgId(pkgid);
+      AddCapabilitiesByPkgId(pkgid);
+      break;
+    case PackageEventListener::EventType::UNINSTALL:
+      RemoveCapabilitiesByPkgId(pkgid);
+      break;
+    default:
+      LOG(ERROR) << "Unknown package event";
+      break;
+  }
+
+  ListCapabilities();
+}
+
+void CapabilityManager::AddCapabilitiesByPkgId(const std::string& pkgid) {
+  pkgmgrinfo_appinfo_filter_h filter;
+  int ret = pkgmgrinfo_appinfo_filter_create(&filter);
+  if (ret != PMINFO_R_OK) {
+    LOG(ERROR) << "Out of memory";
+    return;
+  }
+
+  ret = pkgmgrinfo_appinfo_filter_add_string(filter,
+      PMINFO_APPINFO_PROP_APP_PACKAGE, pkgid.c_str());
+  if (ret != PMINFO_R_OK) {
+    LOG(ERROR) << "Failed to set filter value";
+    pkgmgrinfo_appinfo_filter_destroy(filter);
+    return;
+  }
+
+  struct CallbackData cbdata;
+  cbdata.pkgid = pkgid.c_str();
+  cbdata.list = &list_;
+
+  // uid?
+  ret = pkgmgrinfo_appinfo_filter_foreach_appinfo(filter, AppListCb,
+      static_cast<void*>(&cbdata));
+  if (ret != PMINFO_R_OK) {
+    LOG(ERROR) << "Failed to get appinfo of " << pkgid;
+    pkgmgrinfo_appinfo_filter_destroy(filter);
+    return;
+  }
+
+  pkgmgrinfo_appinfo_filter_destroy(filter);
+}
+
+void CapabilityManager::RemoveCapabilitiesByPkgId(const std::string& pkgid) {
+  list_.erase(
+      std::remove_if(list_.begin(), list_.end(),
+          [pkgid](Capability& cap) {
+            return cap.pkgid() == pkgid;
+          }),
+      list_.end());
+}
+
+}  // namespace capmgr
diff --git a/src/capability_manager.h b/src/capability_manager.h
new file mode 100644 (file)
index 0000000..29568c3
--- /dev/null
@@ -0,0 +1,37 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef CAPABILITY_MANAGER_H_
+#define CAPABILITY_MANAGER_H_
+
+#include <glib.h>
+
+#include <string>
+#include <vector>
+
+#include "src/capability.h"
+#include "src/package_event_listener.h"
+
+namespace capmgr {
+
+class CapabilityManager {
+ public:
+  CapabilityManager();
+  ~CapabilityManager();
+  const std::vector<Capability>& GetCapabilities() const;
+  bool AddCapability(const Capability& capability);
+  bool ListCapabilities();
+  bool LoadCapabilities();
+
+ private:
+  void HandlePackageEvent(const std::string& pkgid,
+      PackageEventListener::EventType event_type);
+  void AddCapabilitiesByPkgId(const std::string& pkgid);
+  void RemoveCapabilitiesByPkgId(const std::string& pkgid);
+  std::vector<Capability> list_;
+};
+
+}  // namespace capmgr
+
+#endif  // CAPABILITY_MANAGER_H_
diff --git a/src/main.cc b/src/main.cc
new file mode 100644 (file)
index 0000000..e21535b
--- /dev/null
@@ -0,0 +1,26 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#include <glib.h>
+
+#include "src/capability_manager.h"
+#include "src/package_event_listener.h"
+
+int main(int argc, char* argv[]) {
+  GMainLoop* mainloop = g_main_loop_new(NULL, FALSE);
+  if (!mainloop)
+    return 1;
+  capmgr::CapabilityManager manager;
+
+  manager.LoadCapabilities();
+//  manager.ListCapabilities();
+
+  capmgr::PackageEventListener pkgmgr;
+  pkgmgr.SubscribePackageEvent();
+
+  g_main_loop_run(mainloop);
+  g_main_loop_unref(mainloop);
+
+  return 0;
+}
diff --git a/src/package_event_listener.cc b/src/package_event_listener.cc
new file mode 100644 (file)
index 0000000..9304da2
--- /dev/null
@@ -0,0 +1,85 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#include "src/package_event_listener.h"
+
+#include <boost/signals2.hpp>
+
+#include <package-manager.h>
+
+#include <cstring>
+#include <functional>
+#include <map>
+#include <iostream>
+
+#include "src/utils/logging.h"
+
+namespace {
+
+const std::map<std::string, capmgr::PackageEventListener::EventType>
+    kEventStrMap = {
+  {"install", capmgr::PackageEventListener::EventType::INSTALL},
+  {"update", capmgr::PackageEventListener::EventType::UPDATE},
+  {"uninstall", capmgr::PackageEventListener::EventType::UNINSTALL},
+};
+
+}  // namespace
+
+namespace capmgr {
+
+PackageEventListener::PackageEventListener() {
+  pc_ = pkgmgr_client_new(PC_LISTENING);
+}
+
+PackageEventListener::~PackageEventListener() {
+  int ret = pkgmgr_client_free(pc_);
+  if (ret != PKGMGR_R_OK)
+    LOG(ERROR) << "Failed to free pc";
+  else
+    LOG(ERROR) << "pc freed";
+}
+
+void PackageEventListener::SubscribePackageEvent() {
+  int ret = pkgmgr_client_listen_status(pc_,
+      &PackageEventListener::PkgMgrEventCb, this);
+  if (ret < 0)
+    LOG(ERROR) << "Failed to subscribe pkgmgr event";
+}
+
+void PackageEventListener::UnsubscribePackageEvent() {
+}
+
+void PackageEventListener::RegisterEventHandler(
+    std::function<void(const std::string&, EventType)> handler) {
+  EventSignal().on_event.connect(handler);
+}
+
+int PackageEventListener::PkgMgrEventCb(uid_t target_uid, int req_id,
+    const char* pkg_type, const char* pkgid, const char* key, const char* val,
+    const void* pmsg, void* data) {
+  LOG(DEBUG) << "pkgid: " << pkgid << " key: " << key << " val: " << val;
+
+  PackageEventListener* p = static_cast<PackageEventListener*>(data);
+  if (std::strcmp(key, "start") == 0) {
+    auto event_type = kEventStrMap.find(val);
+    if (event_type == kEventStrMap.end())
+      return 0;
+    p->event_map_.emplace(pkgid, event_type->second);
+  }
+
+  if (std::strcmp(key, "end") == 0) {
+    auto event = p->event_map_.find(pkgid);
+    if (event == p->event_map_.end()) {
+      LOG(ERROR) << "Unknown event";
+      return 0;
+    }
+    if (std::strcmp(val, "ok") == 0) {
+      EventSignal().on_event(pkgid, event->second);
+    }
+    p->event_map_.erase(event);
+  }
+  return 0;
+}
+
+}  // namespace capmgr
diff --git a/src/package_event_listener.h b/src/package_event_listener.h
new file mode 100644 (file)
index 0000000..18c9727
--- /dev/null
@@ -0,0 +1,57 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef PACKAGE_EVENT_LISTENER_H_
+#define PACKAGE_EVENT_LISTENER_H_
+
+#include <boost/signals2.hpp>
+
+#include <package-manager.h>
+
+#include <functional>
+#include <map>
+#include <string>
+
+namespace capmgr {
+
+class PackageEventListener {
+ public:
+  enum class EventType {
+    INSTALL,
+    UPDATE,
+    UNINSTALL,
+  };
+
+  PackageEventListener();
+  ~PackageEventListener();
+
+  void SubscribePackageEvent();
+  void UnsubscribePackageEvent();
+
+  static void RegisterEventHandler(
+      std::function<void(const std::string&, EventType)> handler);
+
+ private:
+  class PackageEventSignal {
+   public:
+    boost::signals2::signal<void(const std::string& pkgid,
+        PackageEventListener::EventType)> on_event;
+  };
+
+  static PackageEventSignal& EventSignal() {
+    static PackageEventSignal s = PackageEventSignal();
+    return s;
+  }
+
+  static int PkgMgrEventCb(uid_t target_uid, int req_id, const char* pkg_type,
+      const char* pkgid, const char* key, const char* val, const void* pmsg,
+      void* data);
+
+  pkgmgr_client* pc_;
+  std::map<std::string, EventType> event_map_;
+};
+
+}  // namespace capmgr
+
+#endif  // PACKAGE_EVENT_LISTENER_H_
diff --git a/src/remote_device.h b/src/remote_device.h
new file mode 100644 (file)
index 0000000..74fd36c
--- /dev/null
@@ -0,0 +1,29 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTE_DEVICE_H_
+#define REMOTE_DEVICE_H_
+
+#include <string>
+#include <utility>
+
+namespace capmgr {
+
+class RemoteDevice {
+ public:
+  explicit RemoteDevice(const std::string& name, const std::string& profile_,
+                        const std::string& address, const std::string& uuid_)
+      : name_(std::move(name)), profile_(std::move(profile)),
+        address_(std::move(address)), uuid_(std::move(uuid)) {}
+
+ private:
+  std::string name_;
+  std::string profile_;
+  std::string address_;
+  std::string uuid_;
+};
+
+}  // namespace capmgr
+
+#endif  // REMOTE_DEVICE_H_
diff --git a/src/remote_device_manager.h b/src/remote_device_manager.h
new file mode 100644 (file)
index 0000000..88eabe5
--- /dev/null
@@ -0,0 +1,19 @@
+// Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTE_DEVICE_MANAGER_H_
+#define REMOTE_DEVICE_MANAGER_H_
+
+#include <string>
+
+namespace capmgr {
+
+class RemoteDeviceManager {
+ public:
+ private:
+};
+
+}  // namespace capmgr
+
+#endif  // REMOTE_DEVICE_MANAGER_H_
diff --git a/src/utils/logging.cc b/src/utils/logging.cc
new file mode 100644 (file)
index 0000000..edfdbaf
--- /dev/null
@@ -0,0 +1,24 @@
+// Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#include "src/utils/logging.h"
+
+namespace utils {
+
+log_priority LogLevelToPriority(LogLevel level) {
+  switch (level) {
+    case LogLevel::LOG_ERROR:
+      return log_priority::DLOG_ERROR;
+    case LogLevel::LOG_WARNING:
+      return log_priority::DLOG_WARN;
+    case LogLevel::LOG_INFO:
+      return log_priority::DLOG_INFO;
+    case LogLevel::LOG_DEBUG:
+      return log_priority::DLOG_DEBUG;
+    default:
+      return log_priority::DLOG_UNKNOWN;
+  }
+}
+
+}  // namespace utils
diff --git a/src/utils/logging.h b/src/utils/logging.h
new file mode 100644 (file)
index 0000000..491521c
--- /dev/null
@@ -0,0 +1,116 @@
+// Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+// Use of this source code is governed by a apache 2.0 license that can be
+// found in the LICENSE file.
+
+#ifndef UTILS_LOGGING_H_
+#define UTILS_LOGGING_H_
+
+#include <dlog.h>
+
+#ifndef PROJECT_TAG
+#define PROJECT_TAG ""
+#endif
+
+#ifdef LOG
+#undef LOG
+#endif
+
+#include <cassert>
+#include <cstring>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+#ifndef __FILENAME__
+#define __FILENAME__                                                           \
+    (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
+#endif
+
+namespace utils {
+
+enum class LogLevel {
+  LOG_ERROR,
+  LOG_WARNING,
+  LOG_INFO,
+  LOG_DEBUG,
+};
+
+log_priority LogLevelToPriority(LogLevel level);
+
+template<LogLevel> struct LogTag;
+template<> struct LogTag<LogLevel::LOG_ERROR> {
+  static constexpr const char* value = "\033[1;31m| ERROR   |\033[0m";
+};
+template<> struct LogTag<LogLevel::LOG_WARNING> {
+  static constexpr const char* value = "\033[1;33m| WARNING |\033[0m";
+};
+template<> struct LogTag<LogLevel::LOG_INFO>  {
+  static constexpr const char* value = "\033[1;32m| INFO    |\033[0m";
+};
+template<> struct LogTag<LogLevel::LOG_DEBUG> {
+  static constexpr const char* value = "\033[0m| DEBUG   |\033[0m";
+};
+
+template <class charT, class traits = std::char_traits<charT>>
+class StringStream : private std::basic_ostringstream<charT, traits> {
+ public:
+  using std::basic_ostringstream<charT, traits>::str;
+
+  template <class T>
+  StringStream&  operator<<(const T& value) {
+    static_cast<std::basic_ostringstream<charT, traits> &>(*this) << value;
+    return *this;
+  }
+};
+
+class LogCatcher {
+ public:
+  LogCatcher(LogLevel level, const char* tag)
+    : level_(level), tag_(tag) { }
+
+  void operator&(const StringStream<char>& str) const {
+    dlog_print(LogLevelToPriority(level_), tag_.c_str(),
+        Escape(str.str()).c_str());
+  }
+
+ private:
+  // Since LogCatcher passes input to dlog_print(), the input which contains
+  // format string(such as %d, %n) can cause unexpected result.
+  // This is simple function to escape '%'.
+  // NOTE: Is there any gorgeous way instead of this?
+  std::string Escape(const std::string& str) const {
+    std::string escaped = std::string(str);
+    size_t start_pos = 0;
+    std::string from = "%";
+    std::string to = "%%";
+    while ((start_pos = escaped.find(from, start_pos)) != std::string::npos) {
+      escaped.replace(start_pos, from.length(), to);
+      start_pos += to.length();
+    }
+    return escaped;
+  }
+  LogLevel level_;
+  std::string tag_;
+};
+
+}  // namespace utils
+
+inline static const constexpr char* __tag_for_project() {
+  return PROJECT_TAG;
+}
+
+// Simple logging macro of following usage:
+//   LOG(LEVEL) << object_1 << object_2 << object_n;
+//     where:
+//       LEVEL = ERROR | WARNING | INFO | DEBUG
+#define LOG(LEVEL)                                                             \
+    ::utils::LogCatcher(                                                       \
+      ::utils::LogLevel::LOG_ ## LEVEL, __tag_for_project())                   \
+      & ::utils::StringStream<char>()                                          \
+      << std::string(::utils::LogTag<::utils::LogLevel::LOG_ ## LEVEL>::value) \
+      << " : " << std::setw(36)                                                \
+      << (std::string(__FILENAME__) + ":" + std::to_string(__LINE__)).c_str()  \
+      << std::setw(0) << " : "                                                 \
+
+#endif  // UTILS_LOGGING_H_
diff --git a/tools/check-coding-style b/tools/check-coding-style
new file mode 100755 (executable)
index 0000000..fd60481
--- /dev/null
@@ -0,0 +1,28 @@
+#!/bin/bash
+# Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+if [ ! `which cpplint.py` ]; then
+   echo -e "\nPlease make sure cpplint.py is in your PATH. It is part of depot_tools inside Chromium repository."
+   exit 1
+fi
+
+OLDPWD=$PWD
+BASE=`dirname $0`
+cd $BASE/..
+
+# filters
+FILTERS="-readability/streams,-build/c++11"
+
+cpplint.py --root=src --filter="$FILTERS" $(find . \( -name '*.h' -o -name '*.cc' \) )
+RET=$?
+
+JS_RET_VAL=$?
+cd $OLDPWD
+
+if [ "x$RET" == "x0" ]; then
+  exit 0
+else
+  exit 1
+fi