1 files changed, 133 insertions, 0 deletions
diff --git a/indra/llmessage/llhost.h b/indra/llmessage/llhost.h
new file mode 100644
index 0000000000..09dbae61b9
--- /dev/null
+++ b/indra/llmessage/llhost.h
@@ -0,0 +1,133 @@
+/** 
+ * @file llhost.h
+ * @brief a LLHost uniquely defines a host (Simulator, Proxy or other)
+ * across the network
+ *
+ * Copyright (c) 2000-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLHOST_H
+#define LL_LLHOST_H
+
+#include <iostream>
+#include <string>
+
+#include "net.h"
+
+#include "llstring.h"
+
+const U32 INVALID_PORT = 0;
+const U32 INVALID_HOST_IP_ADDRESS = 0x0;
+
+class LLHost {
+protected:
+	U32			mPort;
+	U32         mIP;
+public:
+	
+	static LLHost invalid;
+
+	// CREATORS
+	LLHost()
+	:	mPort(INVALID_PORT),
+		mIP(INVALID_HOST_IP_ADDRESS)
+	{ } // STL's hash_map expect this T()
+
+	LLHost( U32 ipv4_addr, U32 port )
+	:	mPort( port ) 
+	{
+		mIP = ipv4_addr;
+	}
+
+	LLHost( const char *ipv4_addr, U32 port )
+	:	mPort( port )
+	{ 
+		mIP = ip_string_to_u32(ipv4_addr);
+	}
+
+	explicit LLHost(const U64 ip_port)
+	{
+		U32 ip = (U32)(ip_port >> 32);
+		U32 port = (U32)(ip_port & (U64)0xFFFFFFFF);
+		mIP = ip;
+		mPort = port;
+	}
+
+	explicit LLHost(const std::string& ip_and_port);
+
+	~LLHost()
+	{ }
+
+	// MANIPULATORS
+	void	set( U32 ip, U32 port )				{ mIP = ip; mPort = port; }
+	void	set( const char* ipstr, U32 port )	{ mIP = ip_string_to_u32(ipstr); mPort = port; }
+	void	setAddress( const char* ipstr )		{ mIP = ip_string_to_u32(ipstr); }
+	void	setAddress( U32 ip )				{ mIP = ip; }
+	void	setPort( U32 port )					{ mPort = port; }
+	BOOL    setHostByName(const char *hname);
+
+	LLHost&	operator=(const LLHost &rhs);
+	void    invalidate()                        { mIP = INVALID_HOST_IP_ADDRESS; mPort = INVALID_PORT;};
+
+	// READERS
+	U32		getAddress() const							{ return mIP; }
+	U32		getPort() const								{ return mPort; }
+	BOOL	isOk() const								{ return (mIP != INVALID_HOST_IP_ADDRESS) && (mPort != INVALID_PORT); }
+	size_t	hash() const								{ return (mIP << 16) | (mPort & 0xffff); }
+	void	getString(char* buffer, S32 length) const;	    // writes IP:port into buffer
+	void	getIPString(char* buffer, S32 length) const;	// writes IP into buffer
+	std::string getIPString() const;
+	void    getHostName(char *buf, S32 len) const;
+	LLString getHostName() const;
+	std::string getIPandPort() const;
+
+	friend std::ostream& operator<< (std::ostream& os, const LLHost &hh);
+	friend std::istream& operator>> (std::istream& is, LLHost &hh);
+	friend bool operator==( const LLHost &lhs, const LLHost &rhs );
+	friend bool operator!=( const LLHost &lhs, const LLHost &rhs );
+	friend bool operator<(const LLHost &lhs, const LLHost &rhs);
+};
+
+
+// Function Object required for STL templates using LLHost as key 
+class LLHostHash
+{
+public:
+	size_t operator() (const LLHost &hh) const { return hh.hash(); }
+};
+
+
+inline bool operator==( const LLHost &lhs, const LLHost &rhs )
+{
+	return (lhs.mIP == rhs.mIP) && (lhs.mPort == rhs.mPort);
+}
+
+inline bool operator!=( const LLHost &lhs, const LLHost &rhs )
+{
+	return (lhs.mIP != rhs.mIP) || (lhs.mPort != rhs.mPort);
+}
+
+inline bool operator<(const LLHost &lhs, const LLHost &rhs)
+{
+	if (lhs.mIP < rhs.mIP)
+	{
+		return true;
+	}
+	if (lhs.mIP > rhs.mIP)
+	{
+		return false;
+	}
+
+	if (lhs.mPort < rhs.mPort)
+	{
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+
+#endif // LL_LLHOST_H