fixup! Added pong

src/l4/pkg/pong/example/main.cc

@@ -174,6 +174,8 @@ main()
 {
   redirect_to_log(std::cout);
   redirect_to_log(std::cerr);
+  redirect_to_log(L4::cout);
+  redirect_to_log(L4::cerr);
   Main().run();
   return 0;
 };

src/l4/pkg/pong/include/logging.h

@@ -2,10 +2,16 @@
 
 #pragma once
 
+#include <l4/cxx/iostream>
+
 #include <ostream>
 
-void send_ipc(std::string const &msg);
-void redirect_to_log(std::ostream &os);
+static inline void
+send_ipc(std::string const &msg);
+static inline void
+redirect_to_log(std::ostream &os);
+static inline void
+redirect_to_log(L4::BasicOStream &os);
 
 void
 send_ipc(std::string const &msg)
@@ -29,16 +35,14 @@ public:
     Base::setp(&buffer.front(), &buffer.back());
   }
 
-  int_type
-  overflow(int_type ch) override
+  int_type overflow(int_type ch) override
   {
     Log_Buffer::sync();
     Base::sputc(ch);
     return ch;
   }
 
-  int
-  sync() override
+  int sync() override
   {
     send_ipc(buffer);
     Base::setp(this->pbase(), this->epptr());
@@ -46,6 +50,11 @@ public:
   }
 };
 
+class Log_Backend : public L4::IOBackend
+{
+  void write(char const *str, unsigned len) override { send_ipc({str, len}); };
+};
+
 void
 redirect_to_log(std::ostream &os)
 {
@@ -55,3 +64,9 @@ redirect_to_log(std::ostream &os)
   // We should not free the old buffer because it has not been allocated
   // dynamically.
 }
+
+void
+redirect_to_log(L4::BasicOStream &os)
+{
+  os = {new Log_Backend{}};
+}

src/l4/pkg/pong/server/src/main.cc

@@ -43,6 +43,8 @@ main()
 {
   redirect_to_log(std::cout);
   redirect_to_log(std::cerr);
+  redirect_to_log(L4::cout);
+  redirect_to_log(L4::cerr);
 
   L4::cout << "PS Hello here am I\n";