CapsHandlers.cs

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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System.Collections;
using System.Collections.Generic;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;

namespace OpenSim.Framework.Capabilities
{
    public class CapsHandlers
    {
        private Dictionary<string, IRequestHandler> m_capsHandlers = new Dictionary<string, IRequestHandler>();
        private IHttpServer m_httpListener;
        private string m_httpListenerHostName;
        private uint m_httpListenerPort;
        private bool m_useSSL = false;

        public CapsHandlers(BaseHttpServer httpListener, string httpListenerHostname, uint httpListenerPort)
            : this(httpListener,httpListenerHostname,httpListenerPort, false)
        {
        }

        public CapsHandlers(IHttpServer httpListener, string httpListenerHostname, uint httpListenerPort, bool https)
        {
            m_httpListener = httpListener;
            m_httpListenerHostName = httpListenerHostname;
            m_httpListenerPort = httpListenerPort;
            m_useSSL = https;
            if (httpListener != null && m_useSSL)
            {
                m_httpListenerHostName = httpListener.SSLCommonName;
                m_httpListenerPort = httpListener.SSLPort;
            }
        }

        public void Remove(string capsName)
        {
            lock (m_capsHandlers)
            {
                m_httpListener.RemoveStreamHandler("POST", m_capsHandlers[capsName].Path);
                m_httpListener.RemoveStreamHandler("PUT", m_capsHandlers[capsName].Path);
                m_httpListener.RemoveStreamHandler("GET", m_capsHandlers[capsName].Path);
                m_capsHandlers.Remove(capsName);
            }
        }

        public bool ContainsCap(string cap)
        {
            lock (m_capsHandlers)
                return m_capsHandlers.ContainsKey(cap);
        }

        public IRequestHandler this[string idx]
        {
            get
            {
                lock (m_capsHandlers)
                    return m_capsHandlers[idx];
            }

            set
            {
                lock (m_capsHandlers)
                {
                    if (m_capsHandlers.ContainsKey(idx))
                    {
                        m_httpListener.RemoveStreamHandler("POST", m_capsHandlers[idx].Path);
                        m_capsHandlers.Remove(idx);
                    }
    
                    if (null == value) return;
    
                    m_capsHandlers[idx] = value;
                    m_httpListener.AddStreamHandler(value);
                }
            }
        }

        public string[] Caps
        {
            get
            {
                lock (m_capsHandlers)
                {
                    string[] __keys = new string[m_capsHandlers.Keys.Count];
                    m_capsHandlers.Keys.CopyTo(__keys, 0);
                    return __keys;
                }
            }
        }

        public Hashtable GetCapsDetails(bool excludeSeed, List<string> requestedCaps)
        {
            Hashtable caps = new Hashtable();
            string protocol = "http://";
            
            if (m_useSSL)
                protocol = "https://";

            string baseUrl = protocol + m_httpListenerHostName + ":" + m_httpListenerPort.ToString();

            lock (m_capsHandlers)
            {
                foreach (string capsName in m_capsHandlers.Keys)
                {
                    if (excludeSeed && "SEED" == capsName)
                        continue;

                    if (requestedCaps != null && !requestedCaps.Contains(capsName))
                        continue;

                    caps[capsName] = baseUrl + m_capsHandlers[capsName].Path;
                }
            }

            return caps;
        }

        public Dictionary<string, IRequestHandler> GetCapsHandlers()
        {
            lock (m_capsHandlers)
                return new Dictionary<string, IRequestHandler>(m_capsHandlers);
        }
    }
}