add microhttpd server

libs/main/http_server/microhttpd_server_p.h

@@ -0,0 +1,75 @@
+#ifndef MICROHTTPD_SERVER_P_H
+#define MICROHTTPD_SERVER_P_H
+
+#include "pibase.h"
+#include "piobject.h"
+#include "pip_http_server_export.h"
+
+struct MicrohttpdServerConnection;
+
+class PIP_HTTP_SERVER_EXPORT MicrohttpdServer: public PIObject {
+	PIOBJECT(MicrohttpdServer)
+	friend struct MicrohttpdServerConnection;
+
+public:
+	MicrohttpdServer();
+	virtual ~MicrohttpdServer();
+
+	enum class Method {
+		Unknown,
+		Get,
+		Head,
+		Post,
+		Put,
+		Delete,
+		Connect,
+		Options,
+		Trace,
+		Patch
+	};
+
+	struct PIP_HTTP_SERVER_EXPORT Request {
+		MicrohttpdServer::Method method;
+		PIString path;
+		PIByteArray body;
+		PIMap<PIString, PIString> headers;
+		PIMap<PIString, PIString> args;
+	};
+
+	class PIP_HTTP_SERVER_EXPORT Reply {
+		friend struct MicrohttpdServerConnection;
+
+	public:
+		void addHeader(const PIString & header, const PIString & value);
+		void removeHeader(const PIString & header);
+		void setBody(const PIByteArray & b);
+		void setCode(int c);
+
+	private:
+		void addFixedHeaders();
+		int code = 200;
+		PIByteArray body;
+		PIMap<PIString, PIString> headers;
+	};
+
+	void setWWWRoot(const PIString & path);
+	void setFavicon(const PIByteArray & im);
+
+	bool listen(PINetworkAddress addr);
+	bool listenAll(ushort port) { return listen({0, port}); }
+	bool isListen() const;
+	void stop();
+
+	void setRequestCallback(std::function<Reply(Request)> c) { callback = c; }
+
+private:
+	PIByteArray getFile(PIString name);
+
+	PRIVATE_DECLARATION(PIP_HTTP_SERVER_EXPORT)
+	PIString www_root;
+	PIByteArray favicon;
+	std::function<Reply(Request)> callback;
+};
+
+
+#endif