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// --------------------------------------------------------------------------
//
// File
// Name: Socket.cpp
// Purpose: Socket related stuff
// Created: 2003/07/31
//
// --------------------------------------------------------------------------
#include "Box.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#ifndef WIN32
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#include <string.h>
#include <stdio.h>
#include "autogen_ConnectionException.h"
#include "autogen_ServerException.h"
#include "Socket.h"
#include "MemLeakFindOn.h"
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::NameLookupToSockAddr(SocketAllAddr &, int,
// char *, int)
// Purpose: Sets up a sockaddr structure given a name and type
// Created: 2003/07/31
//
// --------------------------------------------------------------------------
void Socket::NameLookupToSockAddr(SocketAllAddr &addr, int &sockDomain,
enum Type Type, const std::string& rName, int Port,
int &rSockAddrLenOut)
{
int sockAddrLen = 0;
switch(Type)
{
case TypeINET:
sockDomain = AF_INET;
{
// Lookup hostname
struct hostent *phost = ::gethostbyname(rName.c_str());
if(phost != NULL)
{
if(phost->h_addr_list[0] != 0)
{
sockAddrLen = sizeof(addr.sa_inet);
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
addr.sa_inet.sin_len = sizeof(addr.sa_inet);
#endif
addr.sa_inet.sin_family = PF_INET;
addr.sa_inet.sin_port = htons(Port);
addr.sa_inet.sin_addr = *((in_addr*)phost->h_addr_list[0]);
for(unsigned int l = 0; l < sizeof(addr.sa_inet.sin_zero); ++l)
{
addr.sa_inet.sin_zero[l] = 0;
}
}
else
{
THROW_EXCEPTION(ConnectionException, SocketNameLookupError);
}
}
else
{
THROW_EXCEPTION(ConnectionException, SocketNameLookupError);
}
}
break;
#ifndef WIN32
case TypeUNIX:
sockDomain = AF_UNIX;
{
// Check length of name is OK
unsigned int nameLen = rName.length();
if(nameLen >= (sizeof(addr.sa_unix.sun_path) - 1))
{
THROW_EXCEPTION(ServerException, SocketNameUNIXPathTooLong);
}
sockAddrLen = nameLen + (((char*)(&(addr.sa_unix.sun_path[0]))) - ((char*)(&addr.sa_unix)));
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
addr.sa_unix.sun_len = sockAddrLen;
#endif
addr.sa_unix.sun_family = PF_UNIX;
::strncpy(addr.sa_unix.sun_path, rName.c_str(),
sizeof(addr.sa_unix.sun_path) - 1);
addr.sa_unix.sun_path[sizeof(addr.sa_unix.sun_path)-1] = 0;
}
break;
#endif
default:
THROW_EXCEPTION(CommonException, BadArguments)
break;
}
// Return size of structure to caller
rSockAddrLenOut = sockAddrLen;
}
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::LogIncomingConnection(const struct sockaddr *, socklen_t)
// Purpose: Writes a message logging the connection to syslog
// Created: 2003/08/01
//
// --------------------------------------------------------------------------
void Socket::LogIncomingConnection(const struct sockaddr *addr, socklen_t addrlen)
{
BOX_INFO("Incoming connection from " <<
IncomingConnectionLogMessage(addr, addrlen));
}
// --------------------------------------------------------------------------
//
// Function
// Name: Socket::IncomingConnectionLogMessage(const struct sockaddr *, socklen_t)
// Purpose: Returns a string for use in log messages
// Created: 2003/08/01
//
// --------------------------------------------------------------------------
std::string Socket::IncomingConnectionLogMessage(const struct sockaddr *addr, socklen_t addrlen)
{
if(addr == NULL) {THROW_EXCEPTION(CommonException, BadArguments)}
switch(addr->sa_family)
{
case AF_UNIX:
return std::string("local (UNIX socket)");
break;
case AF_INET:
{
sockaddr_in *a = (sockaddr_in*)addr;
std::ostringstream oss;
oss << inet_ntoa(a->sin_addr) << " port " <<
ntohs(a->sin_port);
return oss.str();
}
break;
default:
{
std::ostringstream oss;
oss << "unknown socket type " << addr->sa_family;
return oss.str();
}
break;
}
// Dummy.
return std::string();
}
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