initial version of powersensordaemon

[svn42.git] / powersensordaemon / command_queue.h

diff --git a/powersensordaemon/command_queue.h b/powersensordaemon/command_queue.h
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+/*
+ *  powersensordaemon
+ *
+ *  Copyright (C) 2009 Christian Pointner <equinox@spreadspace.org>
+ *
+ *  This file is part of powersensordaemon.
+ *
+ *  powersensordaemon 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 3 of the License, or
+ *  any later version.
+ *
+ *  powersensordaemon 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 powersensordaemon. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef POWERSENSORDAEMON_command_queue_h_INCLUDED
+#define POWERSENSORDAEMON_command_queue_h_INCLUDED
+
+#include <sys/time.h>
+
+enum cmd_id_enum { POWER, SAMPLE, LOG , LISTEN };
+typedef enum cmd_id_enum cmd_id_t;
+
+struct cmd_struct {
+  int fd;
+  cmd_id_t cmd;
+  char* param;
+  int sent;
+  struct timeval tv_start;
+  struct cmd_struct* next;
+};
+typedef struct cmd_struct cmd_t;
+
+int cmd_push(cmd_t** first, int fd, cmd_id_t cmd, const char* param);
+void cmd_sent(cmd_t* cmd);
+int cmd_has_expired(cmd_t cmd);
+void cmd_pop(cmd_t** first);
+void cmd_clear(cmd_t** first);
+
+#endif