X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=serverpool.h;h=61676281840f070bd2c70a722dd92f2a92b9d327;hp=5dee5f778e8a534a720c0683405a8fe6e24b6313;hb=061988af511f42da3cd584b4d983177504ddc177;hpb=d9b0536b128e10447a986f7b6ea2b5c93252c80f diff --git a/serverpool.h b/serverpool.h index 5dee5f7..6167628 100644 --- a/serverpool.h +++ b/serverpool.h @@ -1,36 +1,70 @@ #ifndef _SERVERPOOL_H #define _SERVERPOOL_H 1 -#include "server.h" - +#include +#include +#include #include -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(); - // 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); + void add_client(int sock, Acceptor *acceptor); + void add_client_from_serialized(const ClientProto &client, const std::vector> &short_responses); + + // 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 &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); - // Adds the given stream to all the servers. - void add_stream(const std::string &stream_id); - void add_stream_from_serialized(const StreamProto &stream); + // 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); + + // Sets the max pacing rate for all the servers. + void set_pacing_rate(int stream_index, uint32_t pacing_rate); - // 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 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); + + // 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(); @@ -41,8 +75,15 @@ public: std::vector get_client_stats() const; private: - Server *servers; - int num_servers, clients_added; + std::unique_ptr 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 + // . + int num_http_streams = 0; + std::vector> udp_streams; ServerPool(const ServerPool &); };