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// **********************************************************************
//
// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceBT/Util.h>
#include <Ice/LocalException.h>
#include <Ice/Network.h>
#include <IceUtil/StringUtil.h>
using namespace std;
using namespace Ice;
using namespace IceBT;
bool
IceBT::isValidDeviceAddress(const string& str)
{
//
// Format is 01:23:45:67:89:0A
//
if(str.size() != 17 || str[2] != ':' || str[5] != ':' || str[8] != ':' || str[11] != ':' || str[14] != ':')
{
return false;
}
for(string::size_type i = 0; i < str.size(); i += 3)
{
if(!isxdigit(str[i]) || !isxdigit(str[i + 1]))
{
return false;
}
}
return true;
}
bool
IceBT::parseDeviceAddress(const string& str, DeviceAddress& addr)
{
uint8_t b0, b1, b2, b3, b4, b5;
if(isValidDeviceAddress(str) &&
sscanf(str.c_str(), "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", &b5, &b4, &b3, &b2, &b1, &b0) == 6)
{
addr.b[0] = b0;
addr.b[1] = b1;
addr.b[2] = b2;
addr.b[3] = b3;
addr.b[4] = b4;
addr.b[5] = b5;
return true;
}
return false;
}
string
IceBT::formatDeviceAddress(const DeviceAddress& addr)
{
char buf[64];
sprintf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", addr.b[5], addr.b[4], addr.b[3], addr.b[2], addr.b[1],
addr.b[0]);
return IceUtilInternal::toUpper(string(buf));
}
string
IceBT::addrToString(const string& addr, Int channel)
{
ostringstream ostr;
ostr << addr << '#' << channel;
return ostr.str();
}
string
IceBT::addrToString(const SocketAddress& addr)
{
return addrToString(formatDeviceAddress(addr.rc_bdaddr), addr.rc_channel);
}
SocketAddress
IceBT::createAddr(const string& addr, Ice::Int channel)
{
SocketAddress ret;
memset(&ret, 0, sizeof(ret));
ret.rc_family = AF_BLUETOOTH;
ret.rc_channel = static_cast<uint8_t>(channel);
parseDeviceAddress(addr, ret.rc_bdaddr);
return ret;
}
namespace
{
void
fdToLocalAddress(SOCKET fd, SocketAddress& addr)
{
socklen_t len = static_cast<socklen_t>(sizeof(SocketAddress));
if(::getsockname(fd, reinterpret_cast<struct sockaddr*>(&addr), &len) == SOCKET_ERROR)
{
IceInternal::closeSocketNoThrow(fd);
throw SocketException(__FILE__, __LINE__, IceInternal::getSocketErrno());
}
}
bool
fdToRemoteAddress(SOCKET fd, SocketAddress& addr)
{
socklen_t len = static_cast<socklen_t>(sizeof(SocketAddress));
if(::getpeername(fd, reinterpret_cast<struct sockaddr*>(&addr), &len) == SOCKET_ERROR)
{
if(IceInternal::notConnected())
{
return false;
}
else
{
IceInternal::closeSocketNoThrow(fd);
throw SocketException(__FILE__, __LINE__, IceInternal::getSocketErrno());
}
}
return true;
}
string
addressesToString(const SocketAddress& localAddr, const SocketAddress& remoteAddr, bool peerConnected)
{
ostringstream s;
s << "local address = " << addrToString(localAddr);
if(peerConnected)
{
s << "\nremote address = " << addrToString(remoteAddr);
}
else
{
s << "\nremote address = <not connected>";
}
return s.str();
}
void
addrToAddressAndChannel(const SocketAddress& addr, string& address, int& channel)
{
address = formatDeviceAddress(addr.rc_bdaddr);
channel = addr.rc_channel;
}
}
string
IceBT::fdToString(SOCKET fd)
{
if(fd == INVALID_SOCKET)
{
return "<closed>";
}
SocketAddress localAddr;
fdToLocalAddress(fd, localAddr);
SocketAddress remoteAddr;
bool peerConnected = fdToRemoteAddress(fd, remoteAddr);
return addressesToString(localAddr, remoteAddr, peerConnected);
}
void
IceBT::fdToAddressAndChannel(SOCKET fd, string& localAddress, int& localChannel, string& remoteAddress,
int& remoteChannel)
{
if(fd == INVALID_SOCKET)
{
localAddress.clear();
remoteAddress.clear();
localChannel = -1;
remoteChannel = -1;
return;
}
SocketAddress localAddr;
fdToLocalAddress(fd, localAddr);
addrToAddressAndChannel(localAddr, localAddress, localChannel);
SocketAddress remoteAddr;
if(fdToRemoteAddress(fd, remoteAddr))
{
addrToAddressAndChannel(remoteAddr, remoteAddress, remoteChannel);
}
else
{
remoteAddress.clear();
remoteChannel = -1;
}
}
int
IceBT::compareAddress(const SocketAddress& addr1, const SocketAddress& addr2)
{
if(addr1.rc_family < addr2.rc_family)
{
return -1;
}
else if(addr2.rc_family < addr1.rc_family)
{
return 1;
}
if(addr1.rc_channel < addr2.rc_channel)
{
return -1;
}
else if(addr2.rc_channel < addr1.rc_channel)
{
return 1;
}
return ::memcmp(&addr1.rc_bdaddr, &addr2.rc_bdaddr, sizeof(DeviceAddress));
}
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