X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fuid.h;h=c00161cac2104a533df6dc2762b8c390552ee5c7;hb=b0f16081ccaef527ed4b5434a7264508cf455f39;hp=17061bdee972a72f296459bfad966e93f735ccd2;hpb=46a39046196f55b52336e19662bb7bac85b731ac;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/uid.h b/include/uid.h
index 17061bdee..c00161cac 100644
--- a/include/uid.h
+++ b/include/uid.h
@@ -1,6 +1,10 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
+ *   Copyright (C) 2013, 2019 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2010 Craig Edwards <brain@inspircd.org>
  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
  *
  * This file is part of InspIRCd.  InspIRCd is free software: you can
@@ -16,12 +20,40 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
 
-/**
- * This is the maximum length of a UUID (unique user identifier).
- * This length is set in compliance with TS6 protocol, and really should not be changed. Ever.
- * It allows for a lot of clients as-is. -- w00t.
- */
-#define UUID_LENGTH 10
+class CoreExport UIDGenerator
+{
+ private:
+	/** Holds the current UID. Used to generate the next one.
+	 */
+	std::string current_uid;
+
+	/** Increments the current UID by one.
+	 */
+	void IncrementUID(unsigned int pos);
+
+ public:
+	/**
+	* This is the maximum length of a UUID (unique user identifier).
+	* It allows up to 12,960 servers and 2,176,782,336 users per server.
+	*/
+	static const unsigned int UUID_LENGTH = 9;
+
+	/** Initializes this UID generator with the given SID
+	 * @param sid SID that conforms to InspIRCd::IsSID()
+	 */
+	void init(const std::string& sid);
 
+	/** Returns the next available UID for this server.
+	 */
+	std::string GetUID();
 
+	/** Generates a pseudorandom SID based on a servername and a description
+	 * Guaranteed to return the same if invoked with the same parameters
+	 * @param servername The server name to use as seed
+	 * @param serverdesc The server description to use as seed
+	 * @return A valid SID
+	 */
+	static std::string GenerateSID(const std::string& servername, const std::string& serverdesc);
+};