X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=httpd.h;h=509ae0146a344f101d34d199b36bcab3380c06a6;hb=d3e48df512d9476d3849227067792a3537bb094e;hp=73410fd427e642cb178f83ba5095318216223ba0;hpb=b6c6909043028f9776c08adbd6fb0e71c192cc8e;p=nageru

diff --git a/httpd.h b/httpd.h
index 73410fd..509ae01 100644
--- a/httpd.h
+++ b/httpd.h
@@ -3,22 +3,27 @@
 
 // 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 <functional>
 #include <mutex>
 #include <set>
 #include <string>
+#include <unordered_map>
+#include <utility>
 
 struct MHD_Connection;
 struct MHD_Daemon;
 
 class HTTPD {
 public:
+	// Returns a pair of content and content-type.
+	using EndpointCallback = std::function<std::pair<std::string, std::string>()>;
+
 	HTTPD();
 	~HTTPD();
 
@@ -27,8 +32,20 @@ public:
 		header = data;
 	}
 
+	// Should be called before start() (due to threading issues).
+	enum CORSPolicy {
+		NO_CORS_POLICY,
+		ALLOW_ALL_ORIGINS
+	};
+	void add_endpoint(const std::string &url, const EndpointCallback &callback, CORSPolicy cors_policy) {
+		endpoints[url] = Endpoint{ callback, cors_policy };
+	}
+
 	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,
@@ -79,7 +96,15 @@ private:
 	MHD_Daemon *mhd = nullptr;
 	std::mutex streams_mutex;
 	std::set<Stream *> streams;  // Not owned.
+	struct Endpoint {
+		EndpointCallback callback;
+		CORSPolicy cors_policy;
+	};
+	std::unordered_map<std::string, Endpoint> endpoints;
 	std::string header;
+
+	// Metrics.
+	std::atomic<int64_t> metric_num_connected_clients{0};
 };
 
 #endif  // !defined(_HTTPD_H)