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/* handle the list of postponed requests */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <time.h>
#include "server.h"
void pkspxy_postponed_append (const char *req)
{
struct pkspxy_strlist *p, **q;
q = &PostponedQueries;
p = PostponedQueries;
while (p)
{
if (!strcmp (p->str, req))
return;
q = &p->next;
p = p->next;
}
/* XXX - log an error - or panic? */
if (!(*q = calloc (1, sizeof (struct pkspxy_strlist))))
{
syslog (LOG_ERR, "calloc failed (%m)");
return;
}
if (!((*q)->str = strdup (req)))
{
syslog (LOG_ERR, "strdup failed (%m)");
free (*q);
*q = NULL;
return;
}
}
int pkspxy_is_postponed (const char *req)
{
struct pkspxy_strlist *p;
for (p = PostponedQueries; p; p = p->next)
{
if (p->str && !strcmp (p->str, req))
return 1;
}
return 0;
}
void pkspxy_handle_postponed_requests (short force)
{
struct pkspxy_strlist *p, *q;
if (Online && (force || (time (NULL) - LastPostponedTimestamp) >= PostponedInterval))
{
if (PostponedQueries)
syslog (LOG_INFO, "Processing postponed requests");
LastPostponedTimestamp = time (NULL);
p = PostponedQueries;
while (p)
{
syslog (LOG_INFO, "launching query for request `%s'", p->str);
if (pkspxy_spawn_request (p->str, 600, NULL) == 0)
{
q = p->next;
free (p->str);
free (p);
p = q;
}
else
break;
}
PostponedQueries = p;
}
}
void pkspxy_dump_postponed (void)
{
char dumpfile[_POSIX_PATH_MAX];
struct pkspxy_strlist *p;
FILE *fp;
snprintf (dumpfile, sizeof (dumpfile), "%s/pkspxy.postponed",
SpoolDir);
if (!(fp = fopen (dumpfile, "w")))
return;
for (p = PostponedQueries; p; p = p->next)
fprintf (fp, "%s\n", p->str);
fclose (fp);
}
void pkspxy_restore_postponed (void)
{
char dumpfile[_POSIX_PATH_MAX];
char buff[1024];
FILE *fp;
char *s;
snprintf (dumpfile, sizeof (dumpfile), "%s/pkspxy.postponed",
SpoolDir);
if (!(fp = fopen (dumpfile, "r")))
return;
while (fgets (buff, sizeof (buff), fp))
{
if ((s = strchr (buff, '\n')))
*s = '\0';
pkspxy_postponed_append (buff);
}
fclose (fp);
}
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