#include "server.h"
#include "state.pb.h"
+#include "stream.h"
+#include "udpstream.h"
class MarkPool;
class Server;
+class UDPStream;
struct ClientStats;
+struct sockaddr_in6;
// Provides services such as load-balancing between a number of Server instances.
class ServerPool {
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, size_t backlog_size, Stream::Encoding encoding);
- 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, Stream::Encoding 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, MarkPool *mark_pool, int pacing_rate);
+
+ // 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,
+ void set_header(int stream_index,
const std::string &http_header,
const std::string &stream_header);
- void add_data(const std::string &stream_id, const char *data, size_t bytes);
+ void add_data(int stream_index, const char *data, size_t bytes, StreamStartSuitability suitable_for_stream_start);
// 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);
+ void set_mark_pool(int stream_index, MarkPool *mark_pool);
+
+ // 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(const std::string &stream_id, size_t new_size);
+ void set_backlog_size(int stream_index, size_t new_size);
// Changes the given stream's encoding type on all the servers.
- void set_encoding(const std::string &stream_id, Stream::Encoding encoding);
+ void set_encoding(int stream_index, Stream::Encoding encoding);
// Starts all the servers.
void run();
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 &);
};