/*
 * Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *     * Neither the name of the author nor the names of any contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SAM_HPP
#define SAM_HPP

class Sam {
	public:
		Sam(const char* samhost, uint16_t samport, const char* destname,
			uint_t tunneldepth);
		~Sam(void);

		const string& get_my_dest(void) const { return my_dest; }
		const Sha1& get_my_sha1(void) const { return my_sha1; }
		void naming_lookup(const string& name = "ME") const;
		void read_buffer(void);
		void send_dgram(const string& dest, uchar_t *data, size_t size);
		bool valid_dest(const string& dest);

		Peers* peers;

	//callback-private:
		void load_peers(void);
		void parse_dgram(const string& dest, void* data, size_t size);
		void set_connected(bool connected);
		void set_my_dest(const sam_pubkey_t pubkey);

	private:
		void connect(const char* samhost, uint16_t samport,
			const char* destname, uint_t tunneldepth);
		bool get_connected(void) const { return connected; }

		bool connected;
		static bool exists;
		string my_dest;
		Sha1 my_sha1;
};

#endif  // SAM_HPP