Merge pull request #19 from awslabs/Stat

* Base statistics gathering and monitoring

.gitignore

@@ -0,0 +1,66 @@
+# IDE Artifacts
+.metadata
+.build
+.idea
+*.d
+Debug
+Release
+*~
+*#
+*.iml
+tags
+
+#vim swap file
+*.swp
+
+#compiled python files
+*.pyc
+
+#Vagrant stuff
+Vagrantfile
+.vagrant
+
+#Mac stuff
+.DS_Store
+
+#doxygen
+doxygen/html/
+doxygen/latex/
+
+
+#cmake artifacts
+dependencies
+_build
+build
+_build_*
+cmake-build*
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+

include/aws/cal/cal.h

@@ -15,21 +15,31 @@
  * permissions and limitations under the License.
  */
 
+#include <aws/common/common.h>
+
 #include <aws/cal/exports.h>
 
 struct aws_allocator;
 
+#define AWS_C_CAL_PACKAGE_ID 7
+
 enum aws_cal_errors {
-    AWS_ERROR_CAL_SIGNATURE_VALIDATION_FAILED = 0x1C00,
+    AWS_ERROR_CAL_SIGNATURE_VALIDATION_FAILED = AWS_ERROR_ENUM_BEGIN_RANGE(AWS_C_CAL_PACKAGE_ID),
     AWS_ERROR_CAL_MISSING_REQUIRED_KEY_COMPONENT,
     AWS_ERROR_CAL_INVALID_KEY_LENGTH_FOR_ALGORITHM,
     AWS_ERROR_CAL_UNKNOWN_OBJECT_IDENTIFIER,
     AWS_ERROR_CAL_MALFORMED_ASN1_ENCOUNTERED,
     AWS_ERROR_CAL_MISMATCHED_DER_TYPE,
     AWS_ERROR_CAL_UNSUPPORTED_ALGORITHM,
+
+    AWS_ERROR_CAL_END_RANGE = AWS_ERROR_ENUM_END_RANGE(AWS_C_CAL_PACKAGE_ID)
 };
 
+AWS_EXTERN_C_BEGIN
+
 AWS_CAL_API void aws_cal_library_init(struct aws_allocator *allocator);
 AWS_CAL_API void aws_cal_library_clean_up(void);
 
+AWS_EXTERN_C_END
+
 #endif /* AWS_CAL_CAL_H */