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Add extra logging around network issues (EDE: network error) 

Signed-off-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
DL6ER 2024-03-24 12:42:49 +01:00
parent 1c2257bed6
commit cef6477421
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GPG Key ID: 00135ACBD90B28DD
1 changed files with 14 additions and 0 deletions
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14
src/dnsmasq/forward.c
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@ -567,6 +567,12 @@ static int forward_query(int udpfd, union mysockaddr *udpaddr,
break;
forward->forwardall++;
}
/**** Pi-hole modification ****/
else
{
my_syslog(LOG_ERR, _("failed to send packet (sendto): %s"), strerror(errno));
}
/******************************/
}
if (++start == last)
@ -2087,6 +2093,10 @@ static ssize_t tcp_talk(int first, int last, int start, unsigned char *packet,
data_sent = 1;
else if (errno == ETIMEDOUT || errno == EHOSTUNREACH)
timedout = 1;
/**** Pi-hole modification ****/
else
my_syslog(LOG_ERR, _("failed to send packet (server_send): %s"), strerror(errno));
/******************************/
#endif
/* If fastopen failed due to lack of reply, then there's no point in
@ -2107,6 +2117,10 @@ static ssize_t tcp_talk(int first, int last, int start, unsigned char *packet,
!read_write(serv->tcpfd, &c2, 1, 1) ||
!read_write(serv->tcpfd, payload, (rsize = (c1 << 8) | c2), 1))
{
/**** Pi-hole modification ****/
my_syslog(LOG_ERR, _("failed to send packet (read_write): %s"), strerror(errno));
/******************************/
close(serv->tcpfd);
serv->tcpfd = -1;
/* We get data then EOF, reopen connection to same server,