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Deprecate pg #1400

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Mar 18, 2021
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176 changes: 8 additions & 168 deletions src/manage_pg_server.c
Original file line number Diff line number Diff line change
Expand Up @@ -37,54 +37,6 @@
PG_MODULE_MAGIC;
#endif

/**
* @brief Create a string from a portion of text.
*
* @param[in] text_arg Text.
* @param[in] length Length to create.
*
* @return Freshly allocated string.
*/
static char *
textndup (text *text_arg, int length)
{
char *ret;
ret = palloc (length + 1);
memcpy (ret, VARDATA (text_arg), length);
ret[length] = 0;
return ret;
}

/**
* @brief Get the maximum number of hosts.
*
* @return The maximum number of hosts.
*/
static int
get_max_hosts ()
{
int ret;
int max_hosts = 4095;
SPI_connect ();
ret = SPI_exec ("SELECT coalesce ((SELECT value FROM meta"
" WHERE name = 'max_hosts'),"
" '4095');", /* Same as MANAGE_MAX_HOSTS. */
1); /* Max 1 row returned. */
if (SPI_processed > 0 && ret > 0 && SPI_tuptable != NULL)
{
char *cell;

cell = SPI_getvalue (SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 1);
elog (DEBUG1, "cell: %s", cell);
if (cell)
max_hosts = atoi (cell);
}
elog (DEBUG1, "done");
SPI_finish ();

return max_hosts;
}

/**
* @brief Define function for Postgres.
*/
Expand All @@ -97,35 +49,11 @@ PG_FUNCTION_INFO_V1 (sql_hosts_contains);
*
* @return Postgres Datum.
*/
__attribute__((deprecated))
Datum
sql_hosts_contains (PG_FUNCTION_ARGS)
{
if (PG_ARGISNULL (0) || PG_ARGISNULL (1))
PG_RETURN_BOOL (0);
else
{
text *hosts_arg, *find_host_arg;
char *hosts, *find_host;
int max_hosts, ret;

hosts_arg = PG_GETARG_TEXT_P(0);
hosts = textndup (hosts_arg, VARSIZE (hosts_arg) - VARHDRSZ);

find_host_arg = PG_GETARG_TEXT_P(1);
find_host = textndup (find_host_arg, VARSIZE (find_host_arg) - VARHDRSZ);

max_hosts = get_max_hosts ();

if (hosts_str_contains ((gchar *) hosts, (gchar *) find_host,
max_hosts))
ret = 1;
else
ret = 0;

pfree (hosts);
pfree (find_host);
PG_RETURN_BOOL (ret);
}
PG_RETURN_NULL ();
}

/**
Expand Down Expand Up @@ -200,46 +128,11 @@ PG_FUNCTION_INFO_V1 (sql_next_time_ical);
*
* @return Postgres Datum.
*/
__attribute__((deprecated))
Datum
sql_next_time_ical (PG_FUNCTION_ARGS)
{
char *ical_string, *zone;
int periods_offset;
int32 ret;

if (PG_NARGS() < 1 || PG_ARGISNULL (0))
{
PG_RETURN_NULL ();
}
else
{
text* ical_string_arg;
ical_string_arg = PG_GETARG_TEXT_P (0);
ical_string = textndup (ical_string_arg,
VARSIZE (ical_string_arg) - VARHDRSZ);
}

if (PG_NARGS() < 2 || PG_ARGISNULL (1))
zone = NULL;
else
{
text* timezone_arg;
timezone_arg = PG_GETARG_TEXT_P (1);
zone = textndup (timezone_arg, VARSIZE (timezone_arg) - VARHDRSZ);
}

if (PG_NARGS() < 3)
periods_offset = 0;
else
periods_offset = PG_GETARG_INT32 (2);

ret = icalendar_next_time_from_string (ical_string, zone,
periods_offset);
if (ical_string)
pfree (ical_string);
if (zone)
pfree (zone);
PG_RETURN_INT32 (ret);
PG_RETURN_NULL ();
}

/**
Expand All @@ -254,43 +147,11 @@ PG_FUNCTION_INFO_V1 (sql_max_hosts);
*
* @return Postgres Datum.
*/
__attribute__((deprecated))
Datum
sql_max_hosts (PG_FUNCTION_ARGS)
{
if (PG_ARGISNULL (0))
PG_RETURN_INT32 (0);
else
{
text *hosts_arg;
char *hosts, *exclude, *clean_hosts, *clean_exclude;
int ret, max_hosts;

hosts_arg = PG_GETARG_TEXT_P (0);
hosts = textndup (hosts_arg, VARSIZE (hosts_arg) - VARHDRSZ);
clean_hosts = clean_hosts_string (hosts);

if (PG_ARGISNULL (1))
{
exclude = palloc (1);
exclude[0] = 0;
clean_exclude = NULL;
}
else
{
text *exclude_arg;
exclude_arg = PG_GETARG_TEXT_P (1);
exclude = textndup (exclude_arg, VARSIZE (exclude_arg) - VARHDRSZ);
clean_exclude = clean_hosts_string (exclude);
}

max_hosts = get_max_hosts ();
ret = manage_count_hosts_max (clean_hosts, clean_exclude, max_hosts);
pfree (hosts);
pfree (exclude);
g_free (clean_hosts);
g_free (clean_exclude);
PG_RETURN_INT32 (ret);
}
PG_RETURN_NULL ();
}

/**
Expand Down Expand Up @@ -324,32 +185,11 @@ PG_FUNCTION_INFO_V1 (sql_regexp);
*
* @return Postgres Datum.
*/
__attribute__((deprecated))
Datum
sql_regexp (PG_FUNCTION_ARGS)
{
if (PG_ARGISNULL (0) || PG_ARGISNULL (1))
PG_RETURN_BOOL (0);
else
{
text *string_arg, *regexp_arg;
char *string, *regexp;
int ret;

regexp_arg = PG_GETARG_TEXT_P(1);
regexp = textndup (regexp_arg, VARSIZE (regexp_arg) - VARHDRSZ);

string_arg = PG_GETARG_TEXT_P(0);
string = textndup (string_arg, VARSIZE (string_arg) - VARHDRSZ);

if (g_regex_match_simple ((gchar *) regexp, (gchar *) string, 0, 0))
ret = 1;
else
ret = 0;

pfree (string);
pfree (regexp);
PG_RETURN_BOOL (ret);
}
PG_RETURN_NULL ();
}

/**
Expand Down