X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=serverpool.h;h=253636a64c1de876b83fa051a97a1a12ff81cece;hp=559f76a212c1aab24ceeafb985c95d9e9102a1c7;hb=7ec54788f88dde7b083ba6cfd30732b32295b54a;hpb=ce95fbe3011d2e5be2da737b05bca9af8db8a646

diff --git a/serverpool.h b/serverpool.h
index 559f76a..253636a 100644
--- a/serverpool.h
+++ b/serverpool.h
@@ -1,35 +1,98 @@
 #ifndef _SERVERPOOL_H
 #define _SERVERPOOL_H 1
 
-#include "server.h"
-
+#include <stddef.h>
+#include <memory>
+#include <string>
 #include <vector>
 
-class MarkPool;
+#include "server.h"
+#include "state.pb.h"
+#include "stream.h"
+#include "udpstream.h"
+
+class Acceptor;
+class Server;
+class UDPStream;
+struct ClientStats;
+struct sockaddr_in6;
 
 // Provides services such as load-balancing between a number of Server instances.
 class ServerPool {
 public:
 	ServerPool(int num_servers);
-	~ServerPool();
 
 	// 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);
+	void add_client(int sock, Acceptor *acceptor);
+	void add_client_from_serialized(const ClientProto &client, const std::vector<std::shared_ptr<const std::string>> &short_responses);
+
+	// Picks a srever (round-robin) and adds the given HLS zombie to it.
+	void add_hls_zombie_from_serialized(const HLSZombieProto &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,
+	               const std::string &hls_url,
+	               size_t backlog_size,
+	               size_t prebuffering_bytes,
+	               Stream::Encoding encoding,
+	               Stream::Encoding src_encoding,
+                       unsigned hls_frag_duration,
+                       size_t hls_backlog_margin,
+                       const std::string &allow_origin);
+	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, uint16_t metacube_flags, const RationalPTS &pts);
+
+	// Sets the given stream as unavailable on all the servers.
+	void set_unavailable(int stream_index);
+
+	// 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);
 
-	// Connects the given stream to the given mark pool for all the servers.
-	void set_mark_pool(const std::string &stream_id, MarkPool *mark_pool);
+	// 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);
+
+	// Changes the given stream's maximum HLS fragment duration (in seconds) on all the servers.
+	void set_hls_frag_duration(int stream_index, unsigned hls_frag_duration);
+
+	// Changes the given stream's backlog margin for HLS fragments (in bytes) on all the servers.
+	void set_hls_backlog_margin(int stream_index, size_t hls_backlog_margin);
+
+	// Changes the given stream's CORS header on all the servers.
+	void set_allow_origin(int stream_index, const std::string &allow_origin);
+
+	// Register the given stream under the given URL on all the servers.
+	// Used only for deserialized streams (for new ones, we do this registration
+	// in add_stream()).
+	void register_hls_url(int stream_index, const std::string &hls_url);
+
+	// Adds the given gen204 endpoint to all the servers.
+	void add_gen204(const std::string &url, const std::string &allow_origin);
+
+	// Prepares all the servers for accepting TLS connections from the given acceptor.
+	// (They need a private context, since the contexts are not definde to be thread-safe.)
+	void create_tls_context_for_acceptor(const Acceptor *acceptor);
 
 	// Starts all the servers.
 	void run();
@@ -38,10 +101,18 @@ public:
 	void stop();
 
 	std::vector<ClientStats> get_client_stats() const;
+	std::vector<HLSZombie> get_hls_zombies() const;
 
 private:
-	Server *servers;
-	int num_servers, clients_added;
+	std::unique_ptr<Server[]> servers;
+	int num_servers, clients_added = 0;
+
+	// 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 = 0;
+	std::vector<std::unique_ptr<UDPStream>> udp_streams;
 
 	ServerPool(const ServerPool &);
 };