c@90: 
c@90: #ifndef PIPER_SYNCHRONOUS_TRANSPORT_H
c@90: #define PIPER_SYNCHRONOUS_TRANSPORT_H
c@90: 
c@90: #include <vector>
c@90: 
c@90: namespace piper {
c@90: 
c@90: class SynchronousTransport // interface
c@90: {
c@90: public:
c@90:     //!!! how to handle errors -- exception or return value? often an
c@90:     //!!! error (e.g. server has exited) may mean the transport can no
c@90:     //!!! longer be used at all
c@90:     virtual std::vector<char> call(const char *data, size_t bytes) = 0;
c@90: 
c@90:     virtual bool isOK() const = 0;
c@90: };
c@90: 
c@90: class MessageCompletenessChecker // interface
c@90: {
c@90: public:
c@90:     virtual bool isComplete(const std::vector<char> &message) const = 0;
c@90: };
c@90: 
c@90: }
c@90: 
c@90: #endif