gw_uuid.h File Reference

#include <sys/types.h>
#include <sys/time.h>
#include <time.h>

Go to the source code of this file.

Macros
#define	UUID_STR_LEN   36
#define	UUID_VARIANT_NCS   0
#define	UUID_VARIANT_DCE   1
#define	UUID_VARIANT_MICROSOFT   2
#define	UUID_VARIANT_OTHER   3

Typedefs
typedef unsigned char	uuid_t[16]

Functions
void	uuid_init (void)
void	uuid_shutdown (void)
void	uuid_clear (uuid_t uu)
int	uuid_compare (const uuid_t uu1, const uuid_t uu2)
void	uuid_copy (uuid_t dst, const uuid_t src)
void	uuid_generate (uuid_t out)
void	uuid_generate_random (uuid_t out)
void	uuid_generate_time (uuid_t out)
int	uuid_is_null (const uuid_t uu)
int	uuid_parse (const char *in, uuid_t uu)
void	uuid_unparse (const uuid_t uu, char *out)
time_t	uuid_time (const uuid_t uu, struct timeval *ret_tv)
int	uuid_type (const uuid_t uu)
int	uuid_variant (const uuid_t uu)

Macro Definition Documentation

UUID_STR_LEN

#define UUID_STR_LEN   36

Definition at line 19 of file gw_uuid.h.

Referenced by add_msg_cb(), append_uuid(), bearerbox_to_smpp(), boxc_sent_pop(), boxc_sent_push(), brunet_send_sms(), clickatell_send_sms(), delayed_http_reply(), dispatch_into_queue(), generate_smppid(), generic_parse_reply(), get_pattern(), handle_pdu(), httpd_remove_message(), kannel_parse_reply(), kannel_send_sms(), main(), main_connection_loop(), msg_cb(), msg_dump(), status_cb(), store_spool_save(), store_to_dict(), store_uuid(), url_pattern(), and urltrans_fill_escape_codes().

UUID_VARIANT_DCE

#define UUID_VARIANT_DCE   1

Definition at line 38 of file gw_uuid.h.

Referenced by uuid_variant().

UUID_VARIANT_MICROSOFT

#define UUID_VARIANT_MICROSOFT   2

Definition at line 39 of file gw_uuid.h.

Referenced by uuid_variant().

UUID_VARIANT_NCS

#define UUID_VARIANT_NCS   0

Definition at line 37 of file gw_uuid.h.

Referenced by uuid_variant().

UUID_VARIANT_OTHER

#define UUID_VARIANT_OTHER   3

Definition at line 40 of file gw_uuid.h.

Referenced by uuid_variant().

Typedef Documentation

uuid_t

typedef unsigned char uuid_t[16]

Definition at line 32 of file gw_uuid.h.

Function Documentation

uuid_clear()

void uuid_clear

(

uuid_t

uu

)

Definition at line 105 of file gw_uuid.c.

Referenced by main(), and msg_cb().

{
    memset(uu, 0, 16);
}

uuid_compare()

int uuid_compare	(	const uuid_t	uu1,
		const uuid_t	uu2
	)

Definition at line 126 of file gw_uuid.c.

References uuid::clock_seq, uuid::node, uuid::time_hi_and_version, uuid::time_low, uuid::time_mid, UUCMP, and uuid_unpack().

{
    struct uuid uuid1, uuid2;

    uuid_unpack(uu1, &uuid1);
    uuid_unpack(uu2, &uuid2);

    UUCMP(uuid1.time_low, uuid2.time_low);
    UUCMP(uuid1.time_mid, uuid2.time_mid);
    UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version);
    UUCMP(uuid1.clock_seq, uuid2.clock_seq);
    return memcmp(uuid1.node, uuid2.node, 6);
}

uuid_copy()

void uuid_copy	(	uuid_t	dst,
		const uuid_t	src
	)

Definition at line 150 of file gw_uuid.c.

Referenced by bearerbox_to_smpp(), bearerbox_to_sql(), boxc_receiver(), deliver_sms_to_queue(), obey_request_thread(), store_file_save_ack(), and store_spool_save_ack().

{
    unsigned char       *cp1;
    const unsigned char *cp2;
    int         i;

    for (i=0, cp1 = dst, cp2 = src; i < 16; i++)
        *cp1++ = *cp2++;
}

uuid_generate()

void uuid_generate

(

uuid_t

out

)

Definition at line 393 of file gw_uuid.c.

References get_random_fd(), uuid_generate_random(), and uuid_generate_time().

Referenced by catenate_msg(), concat_handling_check_and_handle(), main(), msg_cb(), sms_split(), soap_send_loop(), store_spool_save(), store_to_dict(), and url_pattern().

{
    if (get_random_fd() >= 0) {
        uuid_generate_random(out);
    }
    else
        uuid_generate_time(out);
}

uuid_generate_random()

void uuid_generate_random

(

uuid_t

out

)

Definition at line 374 of file gw_uuid.c.

References uuid::clock_seq, get_random_bytes(), uuid::time_hi_and_version, uuid_pack(), and uuid_unpack().

Referenced by uuid_generate().

{
    uuid_t  buf;
    struct uuid uu;

    get_random_bytes(buf, sizeof(buf));
    uuid_unpack(buf, &uu);

    uu.clock_seq = (uu.clock_seq & 0x3FFF) | 0x8000;
    uu.time_hi_and_version = (uu.time_hi_and_version & 0x0FFF) | 0x4000;
    uuid_pack(&uu, out);
}

uuid_generate_time()

void uuid_generate_time

(

uuid_t

out

)

Definition at line 347 of file gw_uuid.c.

References uuid::clock_seq, get_clock(), get_node_id(), get_random_bytes(), uuid::node, uuid::time_hi_and_version, uuid::time_low, uuid::time_mid, and uuid_pack().

Referenced by uuid_generate().

{
    static unsigned char node_id[6];
    static int has_init = 0;
    struct uuid uu;
    __u32   clock_mid;

    if (!has_init) {
        if (get_node_id(node_id) <= 0) {
            get_random_bytes(node_id, 6);
            /*
             * Set multicast bit, to prevent conflicts
             * with IEEE 802 addresses obtained from
             * network cards
             */
            node_id[0] |= 0x80;
        }
        has_init = 1;
    }
    get_clock(&clock_mid, &uu.time_low, &uu.clock_seq);
    uu.clock_seq |= 0x8000;
    uu.time_mid = (__u16) clock_mid;
    uu.time_hi_and_version = (clock_mid >> 16) | 0x1000;
    memcpy(uu.node, node_id, 6);
    uuid_pack(&uu, out);
}

uuid_init()

void uuid_init

(

void

)

Definition at line 86 of file gw_uuid.c.

References get_random_fd().

Referenced by gwlib_init().

{
    /* 
     * open random device if any.
     * We should do it here because otherwise it's
     * possible that we open device twice.
     */
    get_random_fd();
}

uuid_is_null()

int uuid_is_null

(

const uuid_t

uu

)

Definition at line 413 of file gw_uuid.c.

Referenced by get_pattern(), msg_cb(), soap_send_loop(), store_spool_save(), store_to_dict(), and urltrans_fill_escape_codes().

{
    const unsigned char     *cp;
    int         i;

    for (i=0, cp = uu; i < 16; i++)
        if (*cp++)
            return 0;
    return 1;
}

uuid_parse()

int uuid_parse	(	const char *	in,
		uuid_t	uu
	)

Definition at line 476 of file gw_uuid.c.

References uuid::clock_seq, uuid::node, uuid::time_hi_and_version, uuid::time_low, uuid::time_mid, and uuid_pack().

Referenced by bb_remove_message(), and parse_uuid().

{
    struct uuid uuid;
    int         i;
    const char  *cp;
    char        buf[3];

    if (strlen(in) != 36)
        return -1;
    for (i=0, cp = in; i <= 36; i++,cp++) {
        if ((i == 8) || (i == 13) || (i == 18) ||
            (i == 23)) {
            if (*cp == '-')
                continue;
            else
                return -1;
        }
        if (i== 36)
            if (*cp == 0)
                continue;
        if (!isxdigit(*cp))
            return -1;
    }
    uuid.time_low = strtoul(in, NULL, 16);
    uuid.time_mid = strtoul(in+9, NULL, 16);
    uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
    uuid.clock_seq = strtoul(in+19, NULL, 16);
    cp = in+24;
    buf[2] = 0;
    for (i=0; i < 6; i++) {
        buf[0] = *cp++;
        buf[1] = *cp++;
        uuid.node[i] = strtoul(buf, NULL, 16);
    }
    
    uuid_pack(&uuid, uu);
    return 0;
}

uuid_shutdown()

void uuid_shutdown

(

void

)

Definition at line 97 of file gw_uuid.c.

References get_random_fd().

Referenced by gwlib_shutdown().

{
    int fd = get_random_fd();

    if (fd > 0)
        close(fd);
}

uuid_time()

time_t uuid_time	(	const uuid_t	uu,
		struct timeval *	ret_tv
	)

Definition at line 587 of file gw_uuid.c.

References uuid::time_hi_and_version, uuid::time_low, uuid::time_mid, and uuid_unpack().

{
    struct uuid     uuid;
    __u32           high;
    struct timeval      tv;
    unsigned long long  clock_reg;

    uuid_unpack(uu, &uuid);
    
    high = uuid.time_mid | ((uuid.time_hi_and_version & 0xFFF) << 16);
    clock_reg = uuid.time_low | ((unsigned long long) high << 32);

    clock_reg -= (((unsigned long long) 0x01B21DD2) << 32) + 0x13814000;
    tv.tv_sec = clock_reg / 10000000;
    tv.tv_usec = (clock_reg % 10000000) / 10;

    if (ret_tv)
        *ret_tv = tv;

    return tv.tv_sec;
}

uuid_type()

int uuid_type

(

const uuid_t

uu

)

Definition at line 609 of file gw_uuid.c.

References uuid::time_hi_and_version, and uuid_unpack().

{
    struct uuid     uuid;

    uuid_unpack(uu, &uuid); 
    return ((uuid.time_hi_and_version >> 12) & 0xF);
}

uuid_unparse()

void uuid_unparse	(	const uuid_t	uu,
		char *	out
	)

Definition at line 562 of file gw_uuid.c.

References uuid::clock_seq, uuid::node, uuid::time_hi_and_version, uuid::time_low, uuid::time_mid, and uuid_unpack().

Referenced by add_msg_cb(), append_uuid(), bearerbox_to_smpp(), boxc_sent_pop(), boxc_sent_push(), brunet_send_sms(), clickatell_send_sms(), delayed_http_reply(), dispatch_into_queue(), generate_smppid(), generic_parse_reply(), get_pattern(), handle_pdu(), kannel_parse_reply(), kannel_send_sms(), main(), main_connection_loop(), msg_cb(), status_cb(), store_spool_save(), store_to_dict(), store_uuid(), url_pattern(), and urltrans_fill_escape_codes().

{
    struct uuid uuid;

    uuid_unpack(uu, &uuid);
    sprintf(out,
        "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
        uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
        uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
        uuid.node[0], uuid.node[1], uuid.node[2],
        uuid.node[3], uuid.node[4], uuid.node[5]);
}

uuid_variant()

int uuid_variant

(

const uuid_t

uu

)

Definition at line 617 of file gw_uuid.c.

References uuid::clock_seq, uuid_unpack(), UUID_VARIANT_DCE, UUID_VARIANT_MICROSOFT, UUID_VARIANT_NCS, and UUID_VARIANT_OTHER.

{
    struct uuid     uuid;
    int         var;

    uuid_unpack(uu, &uuid); 
    var = uuid.clock_seq;

    if ((var & 0x8000) == 0)
        return UUID_VARIANT_NCS;
    if ((var & 0x4000) == 0)
        return UUID_VARIANT_DCE;
    if ((var & 0x2000) == 0)
        return UUID_VARIANT_MICROSOFT;
    return UUID_VARIANT_OTHER;
}