Added a dump method to buffer for debugging io (patch from rafaels@redhat.com)

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@643478 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 20 insertions, 0 deletions

diff --git a/cpp/src/qpid/framing/Buffer.cpp b/cpp/src/qpid/framing/Buffer.cpp
index 81f3456ce1..69168d462a 100644
--- a/cpp/src/qpid/framing/Buffer.cpp
+++ b/cpp/src/qpid/framing/Buffer.cpp
@@ -22,6 +22,7 @@
 #include "FramingContent.h" 
 #include "FieldTable.h" 
 #include <string.h>
+#include <boost/format.hpp>
 namespace qpid {
 
 namespace framing {
@@ -257,4 +258,19 @@ void Buffer::getRawData(uint8_t* s, size_t len){
     position += len;
 }
 
+void Buffer::dump(std::ostream& out) const {
+    for (uint32_t i = position; i < size; i++)
+    {
+        if (i != position)
+            out << " ";
+        out << boost::format("%02x") % ((unsigned) (uint8_t) data[i]);
+    }
+}
+
+std::ostream& operator<<(std::ostream& out, const Buffer& b){
+    out << "Buffer[";
+    b.dump(out);
+    return out << "]";
+}
+
 }}
diff --git a/cpp/src/qpid/framing/Buffer.h b/cpp/src/qpid/framing/Buffer.h
index 585379b09a..94cc2d320f 100644
--- a/cpp/src/qpid/framing/Buffer.h
+++ b/cpp/src/qpid/framing/Buffer.h
@@ -112,8 +112,12 @@ class Buffer
 
     template <class T> void put(const T& data) { data.encode(*this); }
     template <class T> void get(T& data) { data.decode(*this); }
+
+    void dump(std::ostream&) const;
 };
 
+std::ostream& operator<<(std::ostream&, const Buffer&);
+
 }} // namespace qpid::framing