Added methods used to fill a binary IP address buffer from stringified address.

git-svn-id: http://yate.null.ro/svn/yate/trunk@5657 acf43c95-373e-0410-b603-e72c3f656dc1

engine/Socket.cpp

@@ -477,6 +477,24 @@ bool SocketAddr::stringify(String& s, struct sockaddr* addr)
     return false;
 }
 
+// Copy a host address to a buffer
+int SocketAddr::copyAddr(uint8_t* buf, struct sockaddr* addr)
+{
+    if (!(buf && addr))
+	return Unknown;
+    switch (addr->sa_family) {
+	case AF_INET:
+	    ::memcpy(buf,&((struct sockaddr_in*)addr)->sin_addr,4);
+	    return IPv4;
+#ifdef AF_INET6
+	case AF_INET6:
+	    ::memcpy(buf,&((struct sockaddr_in6*)addr)->sin6_addr,16);
+	    return IPv6;
+#endif
+    }
+    return Unknown;
+}
+
 // Append an address to a buffer
 String& SocketAddr::appendAddr(String& buf, const String& addr, int family)
 {

yateclass.h

@@ -5677,6 +5677,29 @@ public:
      */
     static bool stringify(String& buf, struct sockaddr* addr);
 
+    /**
+     * Put a host address to a buffer
+     * @param buf Destination buffer. It must be large enough to keep the address
+     *  (4 bytes for IPv4, 16 bytes for IPv6)
+     * @param host The host address
+     * @param family Address family, set it to Unknown to detect
+     * @return Address family, Unknown on failure
+     */
+    static inline int unStringify(uint8_t* buf, const String& host,
+	int family = Unknown) {
+	    SocketAddr sa(family);
+	    return sa.host(host) ? copyAddr(buf,sa.address()) : Unknown;
+	}
+
+    /**
+     * Copy a host address to a buffer
+     * @param buf Destination buffer. It must be large enough to keep the address
+     *  (4 bytes for IPv4, 16 bytes for IPv6)
+     * @param addr The host address
+     * @return Address family, Unknown on failure
+     */
+    static int copyAddr(uint8_t* buf, struct sockaddr* addr);
+
     /**
      * Retrieve the scope id value of an IPv6 address
      * @param addr The address