Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

src/core/util/ProtoStream.cc

@@ -0,0 +1,62 @@
+#include "ProtoStream.hpp"
+
+namespace fail {
+
+ProtoOStream::ProtoOStream(std::ostream *outfile) : m_outfile(outfile)
+{
+	m_log.setDescription("ProtoStream");
+	// TODO: log-Level?
+	m_log.showTime(false);
+}
+
+bool ProtoOStream::writeMessage(google::protobuf::Message* m)
+{
+	m_size = htonl(m->ByteSize());
+	m_outfile->write(reinterpret_cast<char*>(&m_size), sizeof(m_size));
+	
+	if (m_outfile->bad()) {
+		m_log << "Could not write to file!" << std::endl;
+		// TODO: log-Level?
+		return false;
+	}
+	
+	m->SerializeToOstream(m_outfile);
+	
+    return true;
+}
+
+ProtoIStream::ProtoIStream(std::istream *infile) : m_infile(infile)
+{
+	m_log.setDescription("ProtoStream");
+	// TODO: log-Level?
+	m_log.showTime(false);
+}
+
+void ProtoIStream::reset()
+{
+	m_infile->clear();
+	m_infile->seekg(0, std::ios::beg);
+}
+
+bool ProtoIStream::getNext(google::protobuf::Message* m)
+{	
+	m_infile->read(reinterpret_cast<char*>(&m_size), sizeof(m_size));
+	if (!m_infile->good())
+		return false;
+	m_size = ntohl(m_size);
+	
+	// FIXME reuse buffer (efficiency)
+	// FIXME new[] may fail (i.e., return 0)
+	char *buf = new char[m_size];
+	m_infile->read(buf, m_size);
+	if (!m_infile->good())
+		// FIXME we're leaking buf[]
+		return false;	
+	std::string st(buf, m_size);
+	m->ParseFromString(st);
+	
+	delete [] buf;
+	return true;
+}
+
+} // end-of-namespace: fail