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authorSzczepan Zalega <szczepan@nitrokey.com>2017-02-28 17:32:47 +0100
committerSzczepan Zalega <szczepan@nitrokey.com>2017-03-11 15:41:50 +0100
commit34daa03a2be13f9f38fc29336350236a3e9f541e (patch)
treecd1e306f95fa232b375b6a0348c2856230e358e9
parentee78540d7d9a5d555085b4608ba0ccb4f9ec1801 (diff)
downloadlibnitrokey-34daa03a2be13f9f38fc29336350236a3e9f541e.tar.gz
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Count lifetime instances of device communication exception
Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
-rw-r--r--CMakeLists.txt2
-rw-r--r--DeviceCommunicationExceptions.cpp3
-rw-r--r--include/DeviceCommunicationExceptions.h15
3 files changed, 16 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0bc1f8..46f5bee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,7 +60,7 @@ set(SOURCE_FILES
NitrokeyManager.cc
NK_C_API.h
NK_C_API.cc
-)
+ DeviceCommunicationExceptions.cpp)
IF(UNIX)
# add_library(hidapi-libusb STATIC hidapi/libusb/hid.c )
diff --git a/DeviceCommunicationExceptions.cpp b/DeviceCommunicationExceptions.cpp
new file mode 100644
index 0000000..a470a48
--- /dev/null
+++ b/DeviceCommunicationExceptions.cpp
@@ -0,0 +1,3 @@
+#include "DeviceCommunicationExceptions.h"
+
+std::atomic_int DeviceCommunicationException::occurred {0};
diff --git a/include/DeviceCommunicationExceptions.h b/include/DeviceCommunicationExceptions.h
index 78fc625..6d21561 100644
--- a/include/DeviceCommunicationExceptions.h
+++ b/include/DeviceCommunicationExceptions.h
@@ -1,16 +1,24 @@
#ifndef LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H
#define LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H
+#include <atomic>
#include <exception>
+#include <stdexcept>
#include <string>
-//class DeviceCommunicationException: public std::exception {
-class DeviceCommunicationException: public std::runtime_error{
+
+class DeviceCommunicationException: public std::runtime_error
+{
std::string message;
+ static std::atomic_int occurred;
public:
- DeviceCommunicationException(std::string _msg): runtime_error(_msg), message(_msg){}
+ DeviceCommunicationException(std::string _msg): std::runtime_error(_msg), message(_msg){
+ ++occurred;
+ }
// virtual const char* what() const throw() override {
// return message.c_str();
// }
+ static bool has_occurred(){ return occurred > 0; };
+ static void reset_occurred_flag(){ occurred = 0; };
};
class DeviceNotConnected: public DeviceCommunicationException {
@@ -28,4 +36,5 @@ public:
DeviceReceivingFailure(std::string msg) : DeviceCommunicationException(msg){}
};
+
#endif //LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H