dial spec 1.7

2026-06-08 10:59:59 +00:00 · 2015-10-20 16:26:28 -07:00
commit 3454a59e99
41 changed files with 6174 additions and 0 deletions
--- a/client/DialDiscovery.h
+++ b/client/DialDiscovery.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2014 Netflix, Inc.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETFLIX, INC. 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 NETFLIX 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 DIALDISCOVERY_H
+#define DIALDISCOVERY_H
+
+#include "DialServer.h"
+#include <map>
+
+using namespace std;
+
+class DialDiscovery
+{
+public:
+    /**
+     * Create a singleton
+     */
+    static DialDiscovery* create(void);
+
+    /**
+     * Get a pointer to the singleton
+     */
+    static DialDiscovery* instance(void);
+
+    ~DialDiscovery();
+
+    /**
+     * Initialize the discover object.  This will kick off a periodic
+     * worker thread that will poll for DIAL servers.
+     *
+     */
+    void init();
+
+    /**
+     * Get the list of servers that have been discovered.
+     *
+     * @param[out] list List of DIAL servers.  Returns an empty list if there
+     * are no servers.
+     */
+    void getServerList(vector<DialServer*>& list);
+
+    /**
+     * Get a DIAL server based on friendly name
+     *
+     * @param[in] friendlyName Friendly name of DIAL server
+     * @param[out] server Server object (if successful)
+     *
+     * @return true if successful, false otherwise
+     */
+    bool getServer( 
+        const string& friendlyName,
+        DialServer &server );
+
+private:
+    DialDiscovery();
+    void updateServerList(string& server);
+    static void *receiveResponses(void *p);
+    static void *send_mcast(void *p);
+    void processServer(char *pResponse);
+    void cleanServerList();
+    void resetDiscovery();
+
+    pthread_t _mcastThread;
+    pthread_t _responseThread;
+
+    typedef map<string, DialServer*> ServerMap;
+    ServerMap mServerMap;
+
+    static DialDiscovery* sDiscovery;
+};
+
+#endif // DIALDISCOVERY_H