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[nageru] / httpd.h

diff --git a/httpd.h b/httpd.h
index 73410fd427e642cb178f83ba5095318216223ba0..630b0c38bfefb53205050e4eb9563e06455ba69d 100644 (file)
--- a/httpd.h
+++ b/httpd.h
@@ -3,13 +3,12 @@
 
 // A class dealing with stream output to HTTP.
 
-#include <microhttpd.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/types.h>
+#include <atomic>
 #include <condition_variable>
 #include <deque>
-#include <memory>
 #include <mutex>
 #include <set>
 #include <string>
@@ -29,6 +28,9 @@ public:
 
        void start(int port);
        void add_data(const char *buf, size_t size, bool keyframe);
+       int64_t get_num_connected_clients() const {
+               return metric_num_connected_clients.load();
+       }
 
 private:
        static int answer_to_connection_thunk(void *cls, MHD_Connection *connection,
@@ -80,6 +82,9 @@ private:
        std::mutex streams_mutex;
        std::set<Stream *> streams;  // Not owned.
        std::string header;
+
+       // Metrics.
+       std::atomic<int64_t> metric_num_connected_clients{0};
 };
 
 #endif  // !defined(_HTTPD_H)