add very small websocket example

simple_websockets/que.h

@@ -0,0 +1,44 @@
+/*
+ * que.h
+ *
+ * Copyright 2016 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#pragma once
+#ifndef __QUE_H__
+#define __QUE_H__
+
+#define MESSAGE_LEN          (512)
+#define MESSAGE_QUE_SIZE   (16)
+
+
+typedef struct {
+	int num;
+	int idxwr;
+	int idxrd;
+	char message[MESSAGE_QUE_SIZE][MESSAGE_LEN];
+	int already_connected;
+} control_data;
+
+extern char que[];
+extern control_data global_que;
+void glob_que(char *buf);
+void put_message_to_que(char *msg, control_data *dat);
+char *get_message_from_que(control_data *dat);
+
+//#define GLOB_MESG(...)  do{snprintf(que, 512, __VA_ARGS__); glob_que();}while(0)
+#endif // __QUE_H__