add clock, change exceptions, add network exceptions, fix some crashes

src/framework/util/exception.h

@@ -0,0 +1,19 @@
+#ifndef EXCEPTION_H
+#define EXCEPTION_H
+
+#include <exception>
+
+class Exception : public std::exception
+{
+public:
+    Exception() { }
+    Exception(const std::string& what) : m_what(what) { }
+    virtual ~Exception() throw() { };
+
+    virtual const char* what() const throw() { return m_what.c_str(); }
+
+protected:
+    std::string m_what;
+};
+
+#endif

src/framework/util/tools.h

@@ -29,22 +29,11 @@
 #include <sstream>
 #include <exception>
 #include <cxxabi.h>
-#include <chrono>
-#include <unistd.h>
 #include "types.h"
+#include "exception.h"
 
 namespace Fw {
 
-inline int getTicks() {
-    static auto firstTick = std::chrono::high_resolution_clock::now();
-    auto tickNow = std::chrono::high_resolution_clock::now();
-    return std::chrono::duration_cast<std::chrono::milliseconds>(tickNow - firstTick).count();
-}
-
-inline void sleep(int ms) {
-    usleep(ms);
-}
-
 // read utilities for istream
 inline uint8 getU8(std::istream& in) {
     uint8 tmp;
@@ -197,9 +186,9 @@ inline bool cast(const bool& in, std::string& out) {
 }
 
 // used by safe_cast
-class BadCast : public std::bad_cast {
+class CastException : public Exception {
 public:
-    virtual ~BadCast() throw() { }
+    virtual ~CastException() throw() { }
     template<class T, class R>
     void setWhat() {
         m_what = mkstr("failed to cast value of type '", demangleType<T>(),
@@ -217,7 +206,7 @@ template<typename R, typename T>
 R safeCast(const T& t) {
     R r;
     if(!cast(t, r)) {
-        BadCast e;
+        CastException e;
         e.setWhat<T,R>();
         throw e;
     }
@@ -231,7 +220,7 @@ template<typename R, typename T>
 R unsafeCast(const T& t, R def = R()) {
     try {
         return safeCast<R,T>(t);
-    } catch(BadCast& e) {
+    } catch(CastException& e) {
         println("CAST ERROR: ", e.what());
         return def;
     }
@@ -268,6 +257,11 @@ inline std::string ip2str(uint32 ip) {
     return std::string(host);
 }
 
+template<typename... T>
+void throwException(const T&... args) {
+    throw Exception(Fw::mkstr(args...));
+}
+
 }
 
 // shortcut for Fw::dump