X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=serverpool.h;h=9a8e171e36ff620637695bf99e6a980a2d5f41a9;hp=74d6cb96dbe82663c0914ac53ca2babcdf963957;hb=845934ca50eee40884e8cc85ea81eb310efa5ca3;hpb=b59fa7ce2d47f135ea027548cc89f937a5fa875b diff --git a/serverpool.h b/serverpool.h index 74d6cb9..9a8e171 100644 --- a/serverpool.h +++ b/serverpool.h @@ -1,7 +1,20 @@ #ifndef _SERVERPOOL_H #define _SERVERPOOL_H 1 +#include +#include +#include + #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 { @@ -9,29 +22,55 @@ 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, Stream::Encoding encoding); + int add_stream_from_serialized(const StreamProto &stream, const std::vector &data_fds); + int add_udpstream(const sockaddr_in6 &dst, MarkPool *mark_pool); + + // 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); + + // Connects the given stream to the given mark pool for all the servers. + void set_mark_pool(int stream_index, MarkPool *mark_pool); + + // 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 encoding type on all the servers. + void set_encoding(int stream_index, Stream::Encoding encoding); // Starts all the servers. void run(); + // Stops all the servers. + void stop(); + + std::vector 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 + // . + int num_http_streams; + std::vector udp_streams; + ServerPool(const ServerPool &); };