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include.sigar.h Maven / Gradle / Ivy

/*
 * Copyright (c) 2004-2008 Hyperic, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SIGAR_H
#define SIGAR_H

/* System Information Gatherer And Reporter */

#include 

#ifdef __cplusplus
extern "C" {
#endif

#if defined(_LP64)         || \
    defined(__LP64__)      || \
    defined(__64BIT__)     || \
    defined(__powerpc64__) || \
    defined(__osf__)
#define SIGAR_64BIT
#endif

/* for printf sigar_uint64_t */
#ifdef SIGAR_64BIT
# define SIGAR_F_U64 "%lu"
#else
# define SIGAR_F_U64 "%Lu"
#endif

#if defined(WIN32)

typedef unsigned __int32 sigar_uint32_t;

typedef unsigned __int64 sigar_uint64_t;

typedef __int32 sigar_int32_t;

typedef __int64 sigar_int64_t;

#elif ULONG_MAX > 4294967295UL

typedef unsigned int sigar_uint32_t;

typedef unsigned long sigar_uint64_t;

typedef int sigar_int32_t;

typedef long sigar_int64_t;

#else

typedef unsigned int sigar_uint32_t;

typedef unsigned long long sigar_uint64_t;

typedef int sigar_int32_t;

typedef long long sigar_int64_t;

#endif

#define SIGAR_FIELD_NOTIMPL -1

#define SIGAR_OK 0
#define SIGAR_START_ERROR 20000
#define SIGAR_ENOTIMPL       (SIGAR_START_ERROR + 1)
#define SIGAR_OS_START_ERROR (SIGAR_START_ERROR*2)

#ifdef WIN32
#   define SIGAR_ENOENT ERROR_FILE_NOT_FOUND
#   define SIGAR_EACCES ERROR_ACCESS_DENIED
#   define SIGAR_ENXIO  ERROR_BAD_DRIVER_LEVEL
#else
#   define SIGAR_ENOENT ENOENT
#   define SIGAR_EACCES EACCES
#   define SIGAR_ENXIO  ENXIO
#endif

#ifdef WIN32
#   define SIGAR_DECLARE(type) \
        __declspec(dllexport) type __stdcall
#else
#   define SIGAR_DECLARE(type) type
#endif

#if defined(PATH_MAX)
#   define SIGAR_PATH_MAX PATH_MAX
#elif defined(MAXPATHLEN)
#   define SIGAR_PATH_MAX MAXPATHLEN
#else
#   define SIGAR_PATH_MAX 4096
#endif

#ifdef WIN32
typedef sigar_uint64_t sigar_pid_t;
typedef unsigned long sigar_uid_t;
typedef unsigned long sigar_gid_t;
#else
#include 
typedef pid_t sigar_pid_t;
typedef uid_t sigar_uid_t;
typedef gid_t sigar_gid_t;
#endif

typedef struct sigar_t sigar_t;

SIGAR_DECLARE(int) sigar_open(sigar_t **sigar);

SIGAR_DECLARE(int) sigar_close(sigar_t *sigar);

SIGAR_DECLARE(sigar_pid_t) sigar_pid_get(sigar_t *sigar);

SIGAR_DECLARE(int) sigar_proc_kill(sigar_pid_t pid, int signum);

SIGAR_DECLARE(int) sigar_signum_get(char *name);

SIGAR_DECLARE(char *) sigar_strerror(sigar_t *sigar, int err);

/* system memory info */

typedef struct {
    sigar_uint64_t
        ram,
        total,
        used, 
        free,
        actual_used,
        actual_free;
    double used_percent;
    double free_percent;
} sigar_mem_t;

SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem);

typedef struct {
    sigar_uint64_t
        total,
        used, 
        free,
        page_in,
        page_out;
} sigar_swap_t;

SIGAR_DECLARE(int) sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap);

typedef struct {
    sigar_uint64_t
        user, 
        sys,
        nice,
        idle,
        wait,
        irq,
        soft_irq,
        stolen,
        total;
} sigar_cpu_t;

SIGAR_DECLARE(int) sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu);

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_cpu_t *data;
} sigar_cpu_list_t;

SIGAR_DECLARE(int) sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist);

SIGAR_DECLARE(int) sigar_cpu_list_destroy(sigar_t *sigar,
                                          sigar_cpu_list_t *cpulist);

typedef struct {
    char vendor[128];
    char model[128];
    int mhz;
    sigar_uint64_t cache_size;
    int total_sockets;
    int total_cores;
    int cores_per_socket;
} sigar_cpu_info_t;

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_cpu_info_t *data;
} sigar_cpu_info_list_t;

SIGAR_DECLARE(int)
sigar_cpu_info_list_get(sigar_t *sigar,
                        sigar_cpu_info_list_t *cpu_infos);

SIGAR_DECLARE(int)
sigar_cpu_info_list_destroy(sigar_t *sigar,
                            sigar_cpu_info_list_t *cpu_infos);

typedef struct {
    double uptime;
} sigar_uptime_t;

SIGAR_DECLARE(int) sigar_uptime_get(sigar_t *sigar,
                                    sigar_uptime_t *uptime);

typedef struct {
    double loadavg[3];
} sigar_loadavg_t;

SIGAR_DECLARE(int) sigar_loadavg_get(sigar_t *sigar,
                                     sigar_loadavg_t *loadavg);

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_pid_t *data;
} sigar_proc_list_t;

typedef struct {
    /* RLIMIT_CPU */
    sigar_uint64_t cpu_cur, cpu_max;
    /* RLIMIT_FSIZE */
    sigar_uint64_t file_size_cur, file_size_max;
    /* PIPE_BUF */
    sigar_uint64_t pipe_size_cur, pipe_size_max;
    /* RLIMIT_DATA */
    sigar_uint64_t data_cur, data_max;
    /* RLIMIT_STACK */
    sigar_uint64_t stack_cur, stack_max;
    /* RLIMIT_CORE */
    sigar_uint64_t core_cur, core_max;
    /* RLIMIT_RSS */
    sigar_uint64_t memory_cur, memory_max;
    /* RLIMIT_NPROC */
    sigar_uint64_t processes_cur, processes_max;
    /* RLIMIT_NOFILE */
    sigar_uint64_t open_files_cur, open_files_max;
    /* RLIMIT_AS */
    sigar_uint64_t virtual_memory_cur, virtual_memory_max;
} sigar_resource_limit_t;

SIGAR_DECLARE(int) sigar_resource_limit_get(sigar_t *sigar,
                                            sigar_resource_limit_t *rlimit);

SIGAR_DECLARE(int) sigar_proc_list_get(sigar_t *sigar,
                                       sigar_proc_list_t *proclist);

SIGAR_DECLARE(int) sigar_proc_list_destroy(sigar_t *sigar,
                                           sigar_proc_list_t *proclist);

typedef struct {
    sigar_uint64_t total;
    sigar_uint64_t sleeping;
    sigar_uint64_t running;
    sigar_uint64_t zombie;
    sigar_uint64_t stopped;
    sigar_uint64_t idle;
    sigar_uint64_t threads;
} sigar_proc_stat_t;

SIGAR_DECLARE(int) sigar_proc_stat_get(sigar_t *sigar,
                                       sigar_proc_stat_t *procstat);

typedef struct {
    sigar_uint64_t
        size,
        resident,
        share,
        minor_faults,
        major_faults,
        page_faults;
} sigar_proc_mem_t;

SIGAR_DECLARE(int) sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
                                      sigar_proc_mem_t *procmem);

typedef struct {
    sigar_uid_t uid;
    sigar_gid_t gid;
    sigar_uid_t euid;
    sigar_gid_t egid;
} sigar_proc_cred_t;

SIGAR_DECLARE(int) sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid,
                                       sigar_proc_cred_t *proccred);

#define SIGAR_CRED_NAME_MAX 512

typedef struct {
    char user[SIGAR_CRED_NAME_MAX];
    char group[SIGAR_CRED_NAME_MAX];
} sigar_proc_cred_name_t;

SIGAR_DECLARE(int)
sigar_proc_cred_name_get(sigar_t *sigar, sigar_pid_t pid,
                         sigar_proc_cred_name_t *proccredname);

typedef struct {
    sigar_uint64_t
        start_time,
        user,
        sys,
        total;
} sigar_proc_time_t;

SIGAR_DECLARE(int) sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid,
                                       sigar_proc_time_t *proctime);

typedef struct {
    /* must match sigar_proc_time_t fields */
    sigar_uint64_t
        start_time,
        user,
        sys,
        total;
    sigar_uint64_t last_time;
    double percent;
} sigar_proc_cpu_t;

SIGAR_DECLARE(int) sigar_proc_cpu_get(sigar_t *sigar, sigar_pid_t pid,
                                      sigar_proc_cpu_t *proccpu);

#define SIGAR_PROC_STATE_SLEEP  'S'
#define SIGAR_PROC_STATE_RUN    'R'
#define SIGAR_PROC_STATE_STOP   'T'
#define SIGAR_PROC_STATE_ZOMBIE 'Z'
#define SIGAR_PROC_STATE_IDLE   'D'

#define SIGAR_PROC_NAME_LEN 128

typedef struct {
    char name[SIGAR_PROC_NAME_LEN];
    char state;
    sigar_pid_t ppid;
    int tty;
    int priority;
    int nice;
    int processor;
    sigar_uint64_t threads;
} sigar_proc_state_t;

SIGAR_DECLARE(int) sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid,
                                        sigar_proc_state_t *procstate);

typedef struct {
    unsigned long number;
    unsigned long size;
    char **data;
} sigar_proc_args_t;

SIGAR_DECLARE(int) sigar_proc_args_get(sigar_t *sigar, sigar_pid_t pid,
                                       sigar_proc_args_t *procargs);

SIGAR_DECLARE(int) sigar_proc_args_destroy(sigar_t *sigar,
                                           sigar_proc_args_t *procargs);

typedef struct {
    void *data; /* user data */

    enum {
        SIGAR_PROC_ENV_ALL,
        SIGAR_PROC_ENV_KEY
    } type;

    /* used for SIGAR_PROC_ENV_KEY */
    const char *key;
    int klen;
    
    int (*env_getter)(void *, const char *, int, char *, int);
} sigar_proc_env_t;

SIGAR_DECLARE(int) sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid,
                                      sigar_proc_env_t *procenv);

typedef struct {
    sigar_uint64_t total;
    /* XXX - which are files, sockets, etc. */
} sigar_proc_fd_t;

SIGAR_DECLARE(int) sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid,
                                     sigar_proc_fd_t *procfd);

typedef struct {
    char name[SIGAR_PATH_MAX+1];
    char cwd[SIGAR_PATH_MAX+1];
    char root[SIGAR_PATH_MAX+1];
} sigar_proc_exe_t;

SIGAR_DECLARE(int) sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid,
                                      sigar_proc_exe_t *procexe);

typedef struct {
    void *data; /* user data */

    int (*module_getter)(void *, char *, int);
} sigar_proc_modules_t;

SIGAR_DECLARE(int) sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid,
                                          sigar_proc_modules_t *procmods);

typedef struct {
    sigar_uint64_t user;
    sigar_uint64_t sys;
    sigar_uint64_t total;
} sigar_thread_cpu_t;

SIGAR_DECLARE(int) sigar_thread_cpu_get(sigar_t *sigar,
                                        sigar_uint64_t id,
                                        sigar_thread_cpu_t *cpu);
                                            
typedef enum {
    SIGAR_FSTYPE_UNKNOWN,
    SIGAR_FSTYPE_NONE,
    SIGAR_FSTYPE_LOCAL_DISK,
    SIGAR_FSTYPE_NETWORK,
    SIGAR_FSTYPE_RAM_DISK,
    SIGAR_FSTYPE_CDROM,
    SIGAR_FSTYPE_SWAP,
    SIGAR_FSTYPE_MAX
} sigar_file_system_type_e;

#define SIGAR_FS_NAME_LEN SIGAR_PATH_MAX
#define SIGAR_FS_INFO_LEN 256

typedef struct {
    char dir_name[SIGAR_FS_NAME_LEN];
    char dev_name[SIGAR_FS_NAME_LEN];
    char type_name[SIGAR_FS_INFO_LEN];     /* e.g. "local" */
    char sys_type_name[SIGAR_FS_INFO_LEN]; /* e.g. "ext3" */
    char options[SIGAR_FS_INFO_LEN];
    sigar_file_system_type_e type;
    unsigned long flags;
} sigar_file_system_t;

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_file_system_t *data;
} sigar_file_system_list_t;

SIGAR_DECLARE(int)
sigar_file_system_list_get(sigar_t *sigar,
                           sigar_file_system_list_t *fslist);

SIGAR_DECLARE(int)
sigar_file_system_list_destroy(sigar_t *sigar,
                               sigar_file_system_list_t *fslist);

typedef struct {
    sigar_uint64_t reads;
    sigar_uint64_t writes;
    sigar_uint64_t write_bytes;
    sigar_uint64_t read_bytes;
    sigar_uint64_t rtime;
    sigar_uint64_t wtime;
    sigar_uint64_t qtime;
    sigar_uint64_t time;
    sigar_uint64_t snaptime;
    double service_time;
    double queue;
} sigar_disk_usage_t;

/* XXX for sigar_file_system_usage_t compat */
#define disk_reads disk.reads
#define disk_writes disk.writes
#define disk_write_bytes disk.write_bytes
#define disk_read_bytes disk.read_bytes
#define disk_queue disk.queue
#define disk_service_time disk.service_time

typedef struct {
    sigar_disk_usage_t disk;
    double use_percent;
    sigar_uint64_t total;
    sigar_uint64_t free;
    sigar_uint64_t used;
    sigar_uint64_t avail;
    sigar_uint64_t files;
    sigar_uint64_t free_files;
} sigar_file_system_usage_t;

#undef SIGAR_DISK_USAGE_T

SIGAR_DECLARE(int)
sigar_file_system_usage_get(sigar_t *sigar,
                            const char *dirname,
                            sigar_file_system_usage_t *fsusage);

SIGAR_DECLARE(int) sigar_disk_usage_get(sigar_t *sigar,
                                        const char *name,
                                        sigar_disk_usage_t *disk);

SIGAR_DECLARE(int)
sigar_file_system_ping(sigar_t *sigar,
                       sigar_file_system_t *fs);

typedef struct {
    enum {
        SIGAR_AF_UNSPEC,
        SIGAR_AF_INET,
        SIGAR_AF_INET6,
        SIGAR_AF_LINK
    } family;
    union {
        sigar_uint32_t in;
        sigar_uint32_t in6[4];
        unsigned char mac[8];
    } addr;
} sigar_net_address_t;

#define SIGAR_INET6_ADDRSTRLEN 46

#define SIGAR_MAXDOMAINNAMELEN 256
#define SIGAR_MAXHOSTNAMELEN 256

typedef struct {
    char default_gateway[SIGAR_INET6_ADDRSTRLEN];
    char host_name[SIGAR_MAXHOSTNAMELEN];
    char domain_name[SIGAR_MAXDOMAINNAMELEN];
    char primary_dns[SIGAR_INET6_ADDRSTRLEN];
    char secondary_dns[SIGAR_INET6_ADDRSTRLEN];
} sigar_net_info_t;

SIGAR_DECLARE(int)
sigar_net_info_get(sigar_t *sigar,
                   sigar_net_info_t *netinfo);

#define SIGAR_RTF_UP      0x1
#define SIGAR_RTF_GATEWAY 0x2
#define SIGAR_RTF_HOST    0x4

typedef struct {
    sigar_net_address_t destination;
    sigar_net_address_t gateway;
    sigar_net_address_t mask;
    sigar_uint64_t
        flags,
        refcnt,
        use,
        metric,
        mtu,
        window,
        irtt;
    char ifname[16];
} sigar_net_route_t;

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_net_route_t *data;
} sigar_net_route_list_t;

SIGAR_DECLARE(int) sigar_net_route_list_get(sigar_t *sigar,
                                            sigar_net_route_list_t *routelist);

SIGAR_DECLARE(int) sigar_net_route_list_destroy(sigar_t *sigar,
                                                sigar_net_route_list_t *routelist);

/*
 * platforms define most of these "standard" flags,
 * but of course, with different values in some cases.
 */
#define SIGAR_IFF_UP          0x1
#define SIGAR_IFF_BROADCAST   0x2
#define SIGAR_IFF_DEBUG       0x4
#define SIGAR_IFF_LOOPBACK    0x8
#define SIGAR_IFF_POINTOPOINT 0x10
#define SIGAR_IFF_NOTRAILERS  0x20
#define SIGAR_IFF_RUNNING     0x40
#define SIGAR_IFF_NOARP       0x80
#define SIGAR_IFF_PROMISC     0x100
#define SIGAR_IFF_ALLMULTI    0x200
#define SIGAR_IFF_MULTICAST   0x800
#define SIGAR_IFF_SLAVE       0x1000

#define SIGAR_NULL_HWADDR "00:00:00:00:00:00"

typedef struct {
    char name[16];
    char type[64];
    char description[256];
    sigar_net_address_t hwaddr;
    sigar_net_address_t address;
    sigar_net_address_t destination;
    sigar_net_address_t broadcast;
    sigar_net_address_t netmask;
    sigar_uint64_t
        flags,
        mtu,
        metric;
} sigar_net_interface_config_t;

SIGAR_DECLARE(int)
sigar_net_interface_config_get(sigar_t *sigar,
                               const char *name,
                               sigar_net_interface_config_t *ifconfig);

SIGAR_DECLARE(int)
sigar_net_interface_config_primary_get(sigar_t *sigar,
                                       sigar_net_interface_config_t *ifconfig);

typedef struct {
    sigar_uint64_t
        /* received */
        rx_packets,
        rx_bytes,
        rx_errors,
        rx_dropped,
        rx_overruns,
        rx_frame,
        /* transmitted */
        tx_packets,
        tx_bytes,
        tx_errors,
        tx_dropped,
        tx_overruns,
        tx_collisions,
        tx_carrier,
        speed;
} sigar_net_interface_stat_t;

SIGAR_DECLARE(int)
sigar_net_interface_stat_get(sigar_t *sigar,
                             const char *name,
                             sigar_net_interface_stat_t *ifstat);

typedef struct {
    unsigned long number;
    unsigned long size;
    char **data;
} sigar_net_interface_list_t;

SIGAR_DECLARE(int)
sigar_net_interface_list_get(sigar_t *sigar,
                             sigar_net_interface_list_t *iflist);

SIGAR_DECLARE(int)
sigar_net_interface_list_destroy(sigar_t *sigar,
                                 sigar_net_interface_list_t *iflist);

#define SIGAR_NETCONN_CLIENT 0x01
#define SIGAR_NETCONN_SERVER 0x02

#define SIGAR_NETCONN_TCP  0x10
#define SIGAR_NETCONN_UDP  0x20
#define SIGAR_NETCONN_RAW  0x40
#define SIGAR_NETCONN_UNIX 0x80

enum {
    SIGAR_TCP_ESTABLISHED = 1,
    SIGAR_TCP_SYN_SENT,
    SIGAR_TCP_SYN_RECV,
    SIGAR_TCP_FIN_WAIT1,
    SIGAR_TCP_FIN_WAIT2,
    SIGAR_TCP_TIME_WAIT,
    SIGAR_TCP_CLOSE,
    SIGAR_TCP_CLOSE_WAIT,
    SIGAR_TCP_LAST_ACK,
    SIGAR_TCP_LISTEN,
    SIGAR_TCP_CLOSING,
    SIGAR_TCP_IDLE,
    SIGAR_TCP_BOUND,
    SIGAR_TCP_UNKNOWN
};

typedef struct {
    unsigned long local_port;
    sigar_net_address_t local_address;
    unsigned long remote_port;
    sigar_net_address_t remote_address;
    sigar_uid_t uid;
    unsigned long inode;
    int type;
    int state;
    unsigned long send_queue;
    unsigned long receive_queue;
} sigar_net_connection_t;

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_net_connection_t *data;
} sigar_net_connection_list_t;

SIGAR_DECLARE(int)
sigar_net_connection_list_get(sigar_t *sigar,
                              sigar_net_connection_list_t *connlist,
                              int flags);

SIGAR_DECLARE(int)
sigar_net_connection_list_destroy(sigar_t *sigar,
                                  sigar_net_connection_list_t *connlist);

typedef struct sigar_net_connection_walker_t sigar_net_connection_walker_t;

/* alternative to sigar_net_connection_list_get */
struct sigar_net_connection_walker_t {
    sigar_t *sigar;
    int flags;
    void *data; /* user data */
    int (*add_connection)(sigar_net_connection_walker_t *walker,
                          sigar_net_connection_t *connection);
};

SIGAR_DECLARE(int)
sigar_net_connection_walk(sigar_net_connection_walker_t *walker);

typedef struct {
    int tcp_states[SIGAR_TCP_UNKNOWN];
    sigar_uint32_t tcp_inbound_total;
    sigar_uint32_t tcp_outbound_total;
    sigar_uint32_t all_inbound_total;
    sigar_uint32_t all_outbound_total;
} sigar_net_stat_t;

SIGAR_DECLARE(int)
sigar_net_stat_get(sigar_t *sigar,
                   sigar_net_stat_t *netstat,
                   int flags);

SIGAR_DECLARE(int)
sigar_net_stat_port_get(sigar_t *sigar,
                        sigar_net_stat_t *netstat,
                        int flags,
                        sigar_net_address_t *address,
                        unsigned long port);

/* TCP-MIB */
typedef struct {
    sigar_uint64_t active_opens;
    sigar_uint64_t passive_opens;
    sigar_uint64_t attempt_fails;
    sigar_uint64_t estab_resets;
    sigar_uint64_t curr_estab;
    sigar_uint64_t in_segs;
    sigar_uint64_t out_segs;
    sigar_uint64_t retrans_segs;
    sigar_uint64_t in_errs;
    sigar_uint64_t out_rsts;
} sigar_tcp_t;

SIGAR_DECLARE(int)
sigar_tcp_get(sigar_t *sigar,
              sigar_tcp_t *tcp);

typedef struct {
    sigar_uint64_t null;
    sigar_uint64_t getattr;
    sigar_uint64_t setattr;
    sigar_uint64_t root;
    sigar_uint64_t lookup;
    sigar_uint64_t readlink;
    sigar_uint64_t read;
    sigar_uint64_t writecache;
    sigar_uint64_t write;
    sigar_uint64_t create;
    sigar_uint64_t remove;
    sigar_uint64_t rename;
    sigar_uint64_t link;
    sigar_uint64_t symlink;
    sigar_uint64_t mkdir;
    sigar_uint64_t rmdir;
    sigar_uint64_t readdir;
    sigar_uint64_t fsstat;
} sigar_nfs_v2_t;

typedef sigar_nfs_v2_t sigar_nfs_client_v2_t;
typedef sigar_nfs_v2_t sigar_nfs_server_v2_t;

SIGAR_DECLARE(int)
sigar_nfs_client_v2_get(sigar_t *sigar,
                        sigar_nfs_client_v2_t *nfs);

SIGAR_DECLARE(int)
sigar_nfs_server_v2_get(sigar_t *sigar,
                        sigar_nfs_server_v2_t *nfs);

typedef struct {
    sigar_uint64_t null;
    sigar_uint64_t getattr;
    sigar_uint64_t setattr;
    sigar_uint64_t lookup;
    sigar_uint64_t access;
    sigar_uint64_t readlink;
    sigar_uint64_t read;
    sigar_uint64_t write;
    sigar_uint64_t create;
    sigar_uint64_t mkdir;
    sigar_uint64_t symlink;
    sigar_uint64_t mknod;
    sigar_uint64_t remove;
    sigar_uint64_t rmdir;
    sigar_uint64_t rename;
    sigar_uint64_t link;
    sigar_uint64_t readdir;
    sigar_uint64_t readdirplus;
    sigar_uint64_t fsstat;
    sigar_uint64_t fsinfo;
    sigar_uint64_t pathconf;
    sigar_uint64_t commit;
} sigar_nfs_v3_t;

typedef sigar_nfs_v3_t sigar_nfs_client_v3_t;
typedef sigar_nfs_v3_t sigar_nfs_server_v3_t;

SIGAR_DECLARE(int)
sigar_nfs_client_v3_get(sigar_t *sigar,
                        sigar_nfs_client_v3_t *nfs);

SIGAR_DECLARE(int)
sigar_nfs_server_v3_get(sigar_t *sigar,
                        sigar_nfs_server_v3_t *nfs);

SIGAR_DECLARE(int)
sigar_net_listen_address_get(sigar_t *sigar,
                             unsigned long port,
                             sigar_net_address_t *address);

typedef struct {
    char user[32];
    char device[32];
    char host[256];
    sigar_uint64_t time;
} sigar_who_t;

typedef struct {
    unsigned long number;
    unsigned long size;
    sigar_who_t *data;
} sigar_who_list_t;

SIGAR_DECLARE(int) sigar_who_list_get(sigar_t *sigar,
                                      sigar_who_list_t *wholist);

SIGAR_DECLARE(int) sigar_who_list_destroy(sigar_t *sigar,
                                          sigar_who_list_t *wholist);

SIGAR_DECLARE(int) sigar_proc_port_get(sigar_t *sigar, 
                                       int protocol, unsigned long port,
                                       sigar_pid_t *pid);

typedef struct {
    const char *build_date;
    const char *scm_revision;
    const char *version;
    const char *archname;
    const char *archlib;
    const char *binname;
    const char *description;
    int major, minor, maint, build;
} sigar_version_t;

SIGAR_DECLARE(sigar_version_t *) sigar_version_get(void);

#define SIGAR_SYS_INFO_LEN SIGAR_MAXHOSTNAMELEN /* more than enough */

typedef struct {
    char name[SIGAR_SYS_INFO_LEN]; /* canonicalized sysname */
    char version[SIGAR_SYS_INFO_LEN]; /* utsname.release */
    char arch[SIGAR_SYS_INFO_LEN];
    char machine[SIGAR_SYS_INFO_LEN];
    char description[SIGAR_SYS_INFO_LEN];
    char patch_level[SIGAR_SYS_INFO_LEN];
    char vendor[SIGAR_SYS_INFO_LEN];
    char vendor_version[SIGAR_SYS_INFO_LEN];
    char vendor_name[SIGAR_SYS_INFO_LEN];  /* utsname.sysname */
    char vendor_code_name[SIGAR_SYS_INFO_LEN];
} sigar_sys_info_t;

SIGAR_DECLARE(int) sigar_sys_info_get(sigar_t *sigar, sigar_sys_info_t *sysinfo);

#define SIGAR_FQDN_LEN 512

SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen);

SIGAR_DECLARE(int) sigar_rpc_ping(char *hostname,
                                  int protocol,
                                  unsigned long program,
                                  unsigned long version);

SIGAR_DECLARE(char *) sigar_rpc_strerror(int err);

SIGAR_DECLARE(char *) sigar_password_get(const char *prompt);

#ifdef __cplusplus
}
#endif

#endif