Add initial files for physical LED controller

This daemon uses sysfs entry for a particular LED and then triggers
necessary action. Name and Path of the LED is needed as command line
options to make sure this is genreric implementation.

Change-Id: I3d52f1491fcb6ae8119b399a4d2c6770a3f5db30
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/controller.cpp b/controller.cpp
new file mode 100644
index 0000000..8db607c
--- /dev/null
+++ b/controller.cpp
@@ -0,0 +1,49 @@
+/**
+ * Copyright © 2016 IBM Corporation
+ *
+ * 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.
+ */
+
+#include <iostream>
+#include <memory>
+#include "argument.hpp"
+
+static void ExitWithError(const char* err, char** argv)
+{
+    phosphor::led::ArgumentParser::usage(argv);
+    std::cerr << std::endl;
+    std::cerr << "ERROR: " << err << std::endl;
+    exit(-1);
+}
+
+int main(int argc, char** argv)
+{
+    // Read arguments.
+    auto options = phosphor::led::ArgumentParser(argc, argv);
+
+    // Parse out Name argument.
+    auto name = std::move((options)["name"]);
+    if (name == phosphor::led::ArgumentParser::empty_string)
+    {
+        ExitWithError("Name not specified.", argv);
+    }
+
+    // Parse out Name argument.
+    auto path = std::move((options)["path"]);
+    if (path == phosphor::led::ArgumentParser::empty_string)
+    {
+        ExitWithError("Path not specified.", argv);
+    }
+
+    return 0;
+}