/* Copyright (C) 2013 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _LIBUPNP_H_X_INCLUDED_
#define _LIBUPNP_H_X_INCLUDED_
#include <string>
#include <map>
#include <upnp/upnp.h>
#include <upnp/upnptools.h>
#include "ptmutex.hxx"
/** Our link to libupnp. Initialize and keep the handle around */
class LibUPnP {
public:
~LibUPnP();
/** Retrieve the singleton LibUPnP object
*
* This initializes libupnp, possibly setting an address and port, possibly
* registering a client if serveronly is false.
*
* @param serveronly no client init
* @param hwaddr returns the hardware address for the specified network
* interface, or the first one is ifname is empty. If the IP address is
* specified instead of the interface name, the hardware address
* returned is not necessarily the one matching the IP.
* @param ifname if not empty, network interface to use. Translated to
* IP address for the UpnpInit() call.
* @param ip if not empty, IP address to use. Only used if ifname is empty.
* @param port port parameter to UpnpInit() (0 for default).
* @return 0 for failure.
*/
static LibUPnP* getLibUPnP(bool serveronly = false, std::string* hwaddr = 0,
const std::string ifname = string(),
const std::string ip = string(),
unsigned short port = 0);
/** Set libupnp log file name and activate logging.
*
* @param fn file name to use. Use empty string to turn logging off
*/
enum LogLevel {LogLevelNone, LogLevelError, LogLevelDebug};
bool setLogFileName(const std::string& fn, LogLevel level = LogLevelError);
bool setLogLevel(LogLevel level);
/** Set max library buffer size for reading content from servers. */
void setMaxContentLength(int bytes);
/** Check state after initialization */
bool ok() const
{
return m_ok;
}
/** Retrieve init error if state not ok */
int getInitError() const
{
return m_init_error;
}
/** Build a unique persistent UUID for a root device. This uses a hash
of the input name (e.g.: friendlyName), and the host Ethernet address */
static std::string makeDevUUID(const std::string& name, const std::string& hw);
/** Translate libupnp integer error code (UPNP_E_XXX) to string */
static std::string errAsString(const std::string& who, int code);
/////////////////////////////////////////////////////////////////////////////
/* The methods which follow are normally for use by the
* intermediate layers in libupnpp, such as the base device class
* or the server directory, end-user code should not need them in
* general.
*/
/** Specify function to be called on given UPnP event. This will happen
* in the libupnp thread context.
*/
void registerHandler(Upnp_EventType et, Upnp_FunPtr handler, void *cookie);
/** Translate libupnp event type as string */
static std::string evTypeAsString(Upnp_EventType);
int setupWebServer(const std::string& description);
UpnpClient_Handle getclh()
{
return m_clh;
}
UpnpDevice_Handle getdvh()
{
return m_dvh;
}
private:
// A Handler object records the data from registerHandler.
class Handler {
public:
Handler()
: handler(0), cookie(0) {}
Handler(Upnp_FunPtr h, void *c)
: handler(h), cookie(c) {}
Upnp_FunPtr handler;
void *cookie;
};
LibUPnP(bool serveronly, std::string *hwaddr,
const std::string ifname, const std::string ip,
unsigned short port);
LibUPnP(const LibUPnP &);
LibUPnP& operator=(const LibUPnP &);
static int o_callback(Upnp_EventType, void *, void *);
bool m_ok;
int m_init_error;
UpnpClient_Handle m_clh;
UpnpDevice_Handle m_dvh;
PTMutexInit m_mutex;
std::map<Upnp_EventType, Handler> m_handlers;
};
#endif /* _LIBUPNP.H_X_INCLUDED_ */
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