/* zentific-poll: statistics collection daemon for Zentific
 * Copyright (C) 2007, 2008 
 * 	Steven Maresca, Justin Demaris, 
 * 	and Zentific LLC
 *
 * All rights reserved.
 * Use is subject to license terms.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 */

//---------------INCLUDES-------------------

#ifndef ZENTIFIC_POLL_H
#define ZENTIFIC_POLL_H

//system lib includes
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <dirent.h>
#include <getopt.h>
#include <ctype.h>

#include <netdb.h>
#include <sys/socket.h>       /* for AF_INET */
#include <netinet/in.h>
#include <arpa/inet.h>


//logging
#include <syslog.h>

//new_str
#include <stdarg.h>

//system information
#include <sys/utsname.h>        // uname, kernel, etc
#include <sys/sysinfo.h>        // load, uptime, etc

//no longer needed
//#include <linux/kdev_t.h>     // for MAJOR and MINOR dev numbers

//xen includes
#include <xs.h>
#include <xenctrl.h>
#include "libxenstat/src/xenstat.h"

//block device investigation
#include "blockdata.h"

//regular expression matching in is_uuid
#include <regex.h>

//xend pass
#include "xendpw.h"

//daemonizing
#include "daemon.h"

//https xmlrpc
#include "ssl_send.h"

//zentific types
#include "zentific-defines.h"
#include "zentific-types.h"


//----------FUNCTION DEFINITIONS------------

void initialize(int argc, char **argv);
void config_reload(int signum);
void cleanup_exit(int signum);
static void version(void);
static void usage(char*);
int parse_config(void);
void display_config(void);

//xenstore functions
char *get_uuid(unsigned int domain_id);
char *get_vm_type(char *uuid);
char *get_os_type(char *uuid);
char *get_state(xenstat_domain *domain);
char *get_vnc_port(unsigned int domain_id);
char *get_vnc_passwd(unsigned int domain_id);
char *get_ramdisk(char *uuid);
char *get_kernel(char *uuid);
char *get_kernel_cmdline(char *uuid);
char *get_crash_action(char *uuid);
char *get_poweroff_action(char *uuid);
char *get_reboot_action(char *uuid);

int get_uptime(char *uuid);

double get_cpu_pct(xenstat_domain *domain);
int get_vbd_stats(xenstat_vbd *vbds, int numvbds, int domid, vbd *disks);
int get_vif_stats(xenstat_network *nets, int numnets, int domid, vif *vifs, unsigned long long *rxbw, unsigned long long *txbw, char *vmtype);
int register_node(void);
void update_stats(void);
int update_node(void);

//display debugging
void display_node(void);
void display_guest(guest *aguest);

//node stats functions
unsigned long long get_intr ();
unsigned long long get_ctxt ();
float get_iowait ();

//utility functions
char *strlwr(char *s);
char *new_str(const char *fmt, ...);
int get_hw_uuid(char *out);
int log_msg(char *msg);

//xml-rpc functions
int xmlrpc_check_response(char *response, char *checkmsg, int checkmsglen);
int xmlrpc_call(char *method, char *params[], int len, char *resp);
char *xmlrpc_struct_member(char *name, char *value);
char *xmlrpc_value(char *value);
char *xmlrpc_param(char *value);
char *xmlrpc_params(char *value);
char *xmlrpc_struct(char *value);
char *xmlrpc_method_call(char *value, char *params);
char *xmlrpc_string(char *value);
char *xmlrpc_int(int value);
char *xmlrpc_double(unsigned long long value);
char *xmlrpc_array(char *value);

char *xmlrpc_str_int(char *value);


int match_regex(const char* str, const char* regex);
int is_uuid(char *uuid);
char *str_append(char *dest, char *source);

#endif