Add suppor for raw (non-Metacube) inputs over HTTP. Only really useful for TS.

[cubemap] / serverpool.h

diff --git a/serverpool.h b/serverpool.h
index 30839869013269544bb75fd076c349257d3382e6..e52aee8acf6ac92db9001dfbd72e12aa473c61af 100644 (file)
--- a/serverpool.h
+++ b/serverpool.h
@@ -1,9 +1,19 @@
 #ifndef _SERVERPOOL_H
 #define _SERVERPOOL_H 1
 
+#include <stddef.h>
+#include <string>
+#include <vector>
+
 #include "server.h"
+#include "state.pb.h"
+#include "stream.h"
+#include "udpstream.h"
 
-#include <vector>
+class Server;
+class UDPStream;
+struct ClientStats;
+struct sockaddr_in6;
 
 // Provides services such as load-balancing between a number of Server instances.
 class ServerPool {
@@ -11,31 +21,65 @@ public:
        ServerPool(int num_servers);
        ~ServerPool();
 
-       // Accessor. Only to be used in rare situations, really.
-       // The ServerPool retains ownership.
-       Server *get_server(int num) { return &servers[num]; }
+       // Fills streams() and clients().
+       CubemapStateProto serialize();
 
        // Picks a server (round-robin) and allocates the given client to it.
        void add_client(int sock);
        void add_client_from_serialized(const ClientProto &client);
 
-       // Adds the given stream to all the servers.
-       void add_stream(const std::string &stream_id);
-       void add_stream_from_serialized(const StreamProto &stream);
+       // Adds the given stream to all the servers. Returns the stream index.
+       int add_stream(const std::string &url, size_t backlog_size, size_t prebuffering_bytes, Stream::Encoding encoding, Stream::Encoding src_encoding);
+       int add_stream_from_serialized(const StreamProto &stream, const std::vector<int> &data_fds);
+       void delete_stream(const std::string &url);
+       int add_udpstream(const sockaddr_in6 &dst, int pacing_rate, int ttl, int multicast_iface_index);
+
+       // Returns the stream index for the given URL (e.g. /foo.ts). Returns -1 on failure.
+       int lookup_stream_by_url(const std::string &url) const;
 
        // Adds the given data to all the servers.
-       void set_header(const std::string &stream_id, const std::string &header);
-       void add_data(const std::string &stream_id, const char *data, size_t bytes);
+       void set_header(int stream_index,
+                       const std::string &http_header,
+                       const std::string &stream_header);
+       void add_data(int stream_index, const char *data, size_t bytes, StreamStartSuitability suitable_for_stream_start);
+
+       // Sets the max pacing rate for all the servers.
+       void set_pacing_rate(int stream_index, uint32_t pacing_rate);
+
+       // Changes the given stream's backlog size on all the servers.
+       void set_backlog_size(int stream_index, size_t new_size);
+
+       // Changes the given stream's amount of forced prebuffering on all the servers.
+       void set_prebuffering_bytes(int stream_index, size_t new_amount);
+
+       // Changes the given stream's output encoding type on all the servers.
+       void set_encoding(int stream_index, Stream::Encoding encoding);
+
+       // Changes the given stream's input encoding type on all the servers.
+       void set_src_encoding(int stream_index, Stream::Encoding encoding);
+
+       // Adds the given gen204 endpoint to all the servers.
+       void add_gen204(const std::string &url, const std::string &allow_origin);
 
        // Starts all the servers.
        void run();
 
+       // Stops all the servers.
+       void stop();
+
        std::vector<ClientStats> get_client_stats() const;
 
 private:
        Server *servers;
        int num_servers, clients_added;
 
+       // Our indexing is currently rather primitive; every stream_index in
+       // [0, num_http_streams) maps to a HTTP stream (of which every Server
+       // has exactly one copy), and after that, it's mapping directly into
+       // <udp_streams>.
+       int num_http_streams;
+       std::vector<UDPStream *> udp_streams;
+
        ServerPool(const ServerPool &);
 };