barrier/server/CServerProtocol.cpp

85 lines
1.6 KiB
C++

#include "CServerProtocol.h"
#include "CServerProtocol1_0.h"
#include "ProtocolTypes.h"
#include "XSynergy.h"
#include "IOutputStream.h"
#include <cstdio>
//
// CServerProtocol
//
CServerProtocol::CServerProtocol(
CServer* server,
const CString& client,
IInputStream* input,
IOutputStream* output) :
m_server(server),
m_client(client),
m_input(input),
m_output(output)
{
assert(m_server != NULL);
assert(m_input != NULL);
assert(m_output != NULL);
}
CServerProtocol::~CServerProtocol()
{
// do nothing
}
CServer*
CServerProtocol::getServer() const
{
return m_server;
}
CString
CServerProtocol::getClient() const
{
return m_client;
}
IInputStream*
CServerProtocol::getInputStream() const
{
return m_input;
}
IOutputStream*
CServerProtocol::getOutputStream() const
{
return m_output;
}
IServerProtocol*
CServerProtocol::create(
SInt32 major,
SInt32 minor,
CServer* server,
const CString& client,
IInputStream* input,
IOutputStream* output)
{
// disallow invalid version numbers
if (major < 0 || minor < 0) {
throw XIncompatibleClient(major, minor);
}
// disallow connection from test versions to release versions
if (major == 0 && kProtocolMajorVersion != 0) {
throw XIncompatibleClient(major, minor);
}
// hangup (with error) if version isn't supported
if (major > kProtocolMajorVersion ||
(major == kProtocolMajorVersion && minor > kProtocolMinorVersion)) {
throw XIncompatibleClient(major, minor);
}
// create highest version protocol object not higher than the
// given version.
return new CServerProtocol1_0(server, client, input, output);
}