Even more missing unistd.h includes.

[cubemap] / server.h

diff --git a/server.h b/server.h
index 5ebc060e10924e88c675f695fe6caefcb8cd520b..8d5261f6ca9b42fb84bab11776486cd44a67f125 100644 (file)
--- a/server.h
+++ b/server.h
@@ -4,10 +4,13 @@
 #include <stdint.h>
 #include <pthread.h>
 #include <sys/epoll.h>
+#include <time.h>
 #include <string>
 #include <map>
 #include <vector>
 
+#include "thread.h"
+
 #define BACKLOG_SIZE 1048576
 #define EPOLL_MAX_EVENTS 8192
 #define EPOLL_TIMEOUT_MS 20
@@ -15,9 +18,18 @@
 
 class ClientProto;
 class CubemapStateProto;
+class MarkPool;
 class Stream;
 class StreamProto;
 
+// Digested statistics for writing to logs etc.
+struct ClientStats {
+       std::string stream_id;
+       std::string remote_addr;
+       time_t connect_time;
+       size_t bytes_sent;
+};
+
 struct Client {
        Client() {}
        Client(int sock);
@@ -26,9 +38,18 @@ struct Client {
        Client(const ClientProto &serialized, Stream *stream);
        ClientProto serialize() const;
 
+       ClientStats get_stats() const;
+
        // The file descriptor associated with this socket.
        int sock;
 
+       // The fwmark associated with this socket (or 0).
+       int fwmark;
+
+       // Some information only used for logging.
+       std::string remote_addr;
+       time_t connect_time;
+
        enum State { READING_REQUEST, SENDING_HEADER, SENDING_DATA, SENDING_ERROR };
        State state;
 
@@ -83,6 +104,9 @@ struct Stream {
        // <sleeping_clients>).
        std::vector<Client *> to_process;
 
+       // What pool to fetch marks from, or NULL.
+       MarkPool *mark_pool;
+
        // Put client to sleep, since there is no more data for it; we will on
        // longer listen on POLLOUT until we get more data. Also, it will be put
        // in the list of clients to wake up when we do.
@@ -95,20 +119,21 @@ private:
        Stream(const Stream& other);
 };
 
-class Server {
+class Server : public Thread {
 public:
        Server();
        ~Server();
 
-       // Start a new thread that handles clients.
-       void run();
-
-       // Stop the thread.
-       void stop();
+       // Get the list of all currently connected clients.     
+       std::vector<ClientStats> get_client_stats() const;
 
        // Set header (both HTTP header and any stream headers) for the given stream.
        void set_header(const std::string &stream_id, const std::string &header);
 
+       // Set that the given stream should use the given mark pool from now on.
+       // NOTE: This should be set before any clients are connected!
+       void set_mark_pool(const std::string &stream_id, MarkPool *mark_pool);
+
        // These will be deferred until the next time an iteration in do_work() happens,
        // and the order between them are undefined.
        // XXX: header should ideally be ordered with respect to data.
@@ -124,11 +149,9 @@ public:
        void add_stream_from_serialized(const StreamProto &stream);
 
 private:
-       pthread_t worker_thread;
-
        // Mutex protecting queued_data only. Note that if you want to hold both this
        // and <mutex> below, you will need to take <mutex> before this one.
-       pthread_mutex_t queued_data_mutex;
+       mutable pthread_mutex_t queued_data_mutex;
 
        // Deferred commands that should be run from the do_work() thread as soon as possible.
        // We defer these for two reasons:
@@ -144,10 +167,7 @@ private:
        std::map<std::string, std::string> queued_data;
 
        // All variables below this line are protected by the mutex.
-       pthread_mutex_t mutex;
-
-       // If the thread should stop or not.
-       bool should_stop;       
+       mutable pthread_mutex_t mutex;
 
        // Map from stream ID to stream.
        std::map<std::string, Stream *> streams;
@@ -159,11 +179,8 @@ private:
        int epoll_fd;
        epoll_event events[EPOLL_MAX_EVENTS];
 
-       // Recover the this pointer, and call do_work().
-       static void *do_work_thunk(void *arg);
-
        // The actual worker thread.
-       void do_work();
+       virtual void do_work();
 
        // Process a client; read and write data as far as we can.
        // After this call, one of these four is true: