Support HTTP/1.1 persistent connections (not that useful yet).

[cubemap] / server.h

diff --git a/server.h b/server.h
index cb726c6fb818b7f73ce39ec09b2803215e635df6..6007626dd57d5e14953b4f9b905e94fbc08d74c9 100644 (file)
--- a/server.h
+++ b/server.h
@@ -1,13 +1,14 @@
 #ifndef _SERVER_H
 #define _SERVER_H 1
 
-#include <pthread.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/epoll.h>
 #include <sys/types.h>
 #include <time.h>
 #include <map>
+#include <memory>
+#include <mutex>
 #include <queue>
 #include <string>
 #include <vector>
@@ -70,27 +71,27 @@ public:
 
 private:
        // Mutex protecting queued_add_clients.
-       // Note that if you want to hold both this and <mutex> below,
-       // you will need to take <mutex> before this one.
-       mutable pthread_mutex_t queued_clients_mutex;
+       // Note that if you want to hold both this and <mu> below,
+       // you will need to take <mu> before this one.
+       mutable std::mutex queued_clients_mutex;
 
        // Deferred commands that should be run from the do_work() thread as soon as possible.
        // We defer these for two reasons:
        //
        //  - We only want to fiddle with epoll from one thread at any given time,
        //    and doing add_client() from the acceptor thread would violate that.
-       //  - We don't want the input thread(s) hanging on <mutex> when doing
-       //    add_data(), since they want to do add_data() rather often, and <mutex>
+       //  - We don't want the input thread(s) hanging on <mu> when doing
+       //    add_data(), since they want to do add_data() rather often, and <mu>
        //    can be taken a lot of the time.
        //      
        // Protected by <queued_clients_mutex>.
-       std::vector<std::pair<int, Acceptor *> > queued_add_clients;
+       std::vector<std::pair<int, Acceptor *>> queued_add_clients;
 
        // All variables below this line are protected by the mutex.
-       mutable pthread_mutex_t mutex;
+       mutable std::mutex mu;
 
        // All streams.
-       std::vector<Stream *> streams;
+       std::vector<std::unique_ptr<Stream>> streams;
 
        // Map from URL to index into <streams>.
        std::map<std::string, int> stream_url_map;
@@ -112,7 +113,7 @@ private:
        // This means that when reading it, we need to check if the client it
        // describes is still exists (ie., that the fd still exists, and that
        // the timespec matches).
-       std::queue<std::pair<timespec, int> > clients_ordered_by_connect_time;
+       std::queue<std::pair<timespec, int>> clients_ordered_by_connect_time;
 
        // Used for epoll implementation (obviously).
        int epoll_fd;
@@ -158,6 +159,14 @@ private:
        // Close a given client socket, and clean up after it.
        void close_client(Client *client);
 
+       // Listen for a different set of epoll events.
+       void change_epoll_events(Client *client, uint32_t events);
+
+       // If we're supposed to listen for more requests (persistent HTTP connections),
+       // puts the client back into READING_REQUEST, changes its epoll flags and returns
+       // true.
+       bool more_requests(Client *client);
+
        // Parse the HTTP request. Returns a HTTP status code (200/204/400/404).
        int parse_request(Client *client);