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Add delayed name resolving for servers and peers

Browse Source 
Resolving is retried in increasing intervals (maximum is one hour)
until it succeeds or fails with a non-temporary error.

Unresolved sources are included in the activity report as offline
sources and the online command can be used to retry it immediately.

This could be improved by resolving in a separate thread/process
to avoid blocking.
This commit is contained in:
Miroslav Lichvar
2010-04-26 17:38:09 +02:00
parent 3d260d41b3
commit aa91c608f4
6 changed files with 137 additions and 19 deletions
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32
conf.c
View File

@@ -262,9 +262,7 @@ static int line_number;
typedef struct {
NTP_Source_Type type;
IPAddr ip_addr;
unsigned short port;
SourceParameters params;
CPS_NTP_Source params;
} NTP_Source;
#define MAX_NTP_SOURCES 64
@@ -355,23 +353,14 @@ CNF_ReadFile(const char *filename)
static void
parse_source(const char *line, NTP_Source_Type type)
{
int i;
NTP_Source s;
CPS_Status status;
CPS_NTP_Source params;
s.type = type;
status = CPS_ParseNTPSourceAdd(line, &params);
ntp_sources[n_ntp_sources].type = type;
status = CPS_ParseNTPSourceAdd(line, &ntp_sources[n_ntp_sources].params);
switch (status) {
case CPS_Success:
s.port = params.port;
s.ip_addr = params.ip_addr;
s.params = params.params;
i = n_ntp_sources++;
ntp_sources[i] = s;
n_ntp_sources++;
break;
case CPS_BadOption:
LOG(LOGS_WARN, LOGF_Configure, "Unrecognized subcommand at line %d", line_number);
@@ -1191,11 +1180,16 @@ CNF_AddSources(void) {
int i;
for (i=0; i<n_ntp_sources; i++) {
server.ip_addr = ntp_sources[i].ip_addr;
memset(&server.local_ip_addr, 0, sizeof (server.local_ip_addr));
server.port = ntp_sources[i].port;
if (ntp_sources[i].params.ip_addr.family != IPADDR_UNSPEC) {
server.ip_addr = ntp_sources[i].params.ip_addr;
memset(&server.local_ip_addr, 0, sizeof (server.local_ip_addr));
server.port = ntp_sources[i].params.port;
NSR_AddSource(&server, ntp_sources[i].type, &ntp_sources[i].params);
NSR_AddSource(&server, ntp_sources[i].type, &ntp_sources[i].params.params);
} else {
NSR_AddUnresolvedSource(ntp_sources[i].params.name, ntp_sources[i].params.port,
ntp_sources[i].type, &ntp_sources[i].params.params);
}
}
return;