ntp: rename pool fields to pool_id

Rename the pool fields holding the ID of the pool to avoid confusion
with the pool record and pool flag.
This commit is contained in:
Miroslav Lichvar 2020-08-10 11:54:43 +02:00
parent 6d1cb58d8f
commit d274fe44da

View file

@ -54,7 +54,7 @@ typedef struct {
is not resolved yet) */ is not resolved yet) */
NCR_Instance data; /* Data for the protocol engine for this source */ NCR_Instance data; /* Data for the protocol engine for this source */
char *name; /* Name of the source, may be NULL */ char *name; /* Name of the source, may be NULL */
int pool; /* Number of the pool from which was this source int pool_id; /* ID of the pool from which was this source
added or INVALID_POOL */ added or INVALID_POOL */
int tentative; /* Flag indicating there was no valid response int tentative; /* Flag indicating there was no valid response
received from the source yet */ received from the source yet */
@ -84,7 +84,7 @@ struct UnresolvedSource {
with unknown address and IPADDR_UNSPEC for a pool of sources */ with unknown address and IPADDR_UNSPEC for a pool of sources */
NTP_Remote_Address address; NTP_Remote_Address address;
/* ID of the pool if not a single source */ /* ID of the pool if not a single source */
int pool; int pool_id;
/* Name to be resolved */ /* Name to be resolved */
char *name; char *name;
/* Flag indicating addresses should be used in a random order */ /* Flag indicating addresses should be used in a random order */
@ -119,7 +119,7 @@ struct SourcePool {
int max_sources; int max_sources;
}; };
/* Array of SourcePool */ /* Array of SourcePool (indexed by their ID) */
static ARR_Instance pools; static ARR_Instance pools;
/* ================================================== */ /* ================================================== */
@ -128,7 +128,7 @@ static ARR_Instance pools;
static void resolve_sources(void); static void resolve_sources(void);
static void rehash_records(void); static void rehash_records(void);
static void clean_source_record(SourceRecord *record); static void clean_source_record(SourceRecord *record);
static void remove_pool_sources(int pool, int tentative, int unresolved); static void remove_pool_sources(int pool_id, int tentative, int unresolved);
static void remove_unresolved_source(struct UnresolvedSource *us); static void remove_unresolved_source(struct UnresolvedSource *us);
static void static void
@ -307,7 +307,7 @@ rehash_records(void)
/* Procedure to add a new source */ /* Procedure to add a new source */
static NSR_Status static NSR_Status
add_source(NTP_Remote_Address *remote_addr, char *name, NTP_Source_Type type, add_source(NTP_Remote_Address *remote_addr, char *name, NTP_Source_Type type,
SourceParameters *params, int pool, uint32_t conf_id) SourceParameters *params, int pool_id, uint32_t conf_id)
{ {
SourceRecord *record; SourceRecord *record;
int slot; int slot;
@ -335,14 +335,14 @@ add_source(NTP_Remote_Address *remote_addr, char *name, NTP_Source_Type type,
record->data = NCR_CreateInstance(remote_addr, type, params, name); record->data = NCR_CreateInstance(remote_addr, type, params, name);
record->remote_addr = NCR_GetRemoteAddress(record->data); record->remote_addr = NCR_GetRemoteAddress(record->data);
record->name = name ? Strdup(name) : NULL; record->name = name ? Strdup(name) : NULL;
record->pool = pool; record->pool_id = pool_id;
record->tentative = 1; record->tentative = 1;
record->conf_id = conf_id; record->conf_id = conf_id;
if (record->pool != INVALID_POOL) { if (record->pool_id != INVALID_POOL) {
get_pool(record->pool)->sources++; get_pool(record->pool_id)->sources++;
if (!UTI_IsIPReal(&remote_addr->ip_addr)) if (!UTI_IsIPReal(&remote_addr->ip_addr))
get_pool(record->pool)->unresolved_sources++; get_pool(record->pool_id)->unresolved_sources++;
} }
if (auto_start_sources && UTI_IsIPReal(&remote_addr->ip_addr)) if (auto_start_sources && UTI_IsIPReal(&remote_addr->ip_addr))
@ -380,15 +380,15 @@ change_source_address(NTP_Remote_Address *old_addr, NTP_Remote_Address *new_addr
if (!UTI_IsIPReal(&old_addr->ip_addr) && UTI_IsIPReal(&new_addr->ip_addr)) { if (!UTI_IsIPReal(&old_addr->ip_addr) && UTI_IsIPReal(&new_addr->ip_addr)) {
if (auto_start_sources) if (auto_start_sources)
NCR_StartInstance(record->data); NCR_StartInstance(record->data);
if (record->pool != INVALID_POOL) if (record->pool_id != INVALID_POOL)
get_pool(record->pool)->unresolved_sources--; get_pool(record->pool_id)->unresolved_sources--;
} }
if (!record->tentative) { if (!record->tentative) {
record->tentative = 1; record->tentative = 1;
if (record->pool != INVALID_POOL) if (record->pool_id != INVALID_POOL)
get_pool(record->pool)->confirmed_sources--; get_pool(record->pool_id)->confirmed_sources--;
} }
name = record->name; name = record->name;
@ -443,12 +443,12 @@ process_resolved_name(struct UnresolvedSource *us, IPAddr *ip_addrs, int n_addrs
DEBUG_LOG("(%d) %s", i + 1, UTI_IPToString(&new_addr.ip_addr)); DEBUG_LOG("(%d) %s", i + 1, UTI_IPToString(&new_addr.ip_addr));
if (us->pool != INVALID_POOL) { if (us->pool_id != INVALID_POOL) {
/* In the pool resolving mode, try to replace all sources from /* In the pool resolving mode, try to replace all sources from
the pool which don't have a real address yet */ the pool which don't have a real address yet */
for (j = 0; j < ARR_GetSize(records); j++) { for (j = 0; j < ARR_GetSize(records); j++) {
record = get_record(j); record = get_record(j);
if (!record->remote_addr || record->pool != us->pool || if (!record->remote_addr || record->pool_id != us->pool_id ||
UTI_IsIPReal(&record->remote_addr->ip_addr)) UTI_IsIPReal(&record->remote_addr->ip_addr))
continue; continue;
old_addr = *record->remote_addr; old_addr = *record->remote_addr;
@ -471,8 +471,8 @@ is_resolved(struct UnresolvedSource *us)
{ {
int slot; int slot;
if (us->pool != INVALID_POOL) { if (us->pool_id != INVALID_POOL) {
return get_pool(us->pool)->unresolved_sources <= 0; return get_pool(us->pool_id)->unresolved_sources <= 0;
} else { } else {
/* If the address is no longer present, it was removed or replaced /* If the address is no longer present, it was removed or replaced
(i.e. resolved) */ (i.e. resolved) */
@ -659,7 +659,7 @@ NSR_AddSourceByName(char *name, int port, int pool, NTP_Source_Type type,
remote_addr.port = port; remote_addr.port = port;
if (!pool) { if (!pool) {
us->pool = INVALID_POOL; us->pool_id = INVALID_POOL;
us->address = remote_addr; us->address = remote_addr;
new_sources = 1; new_sources = 1;
} else { } else {
@ -668,7 +668,7 @@ NSR_AddSourceByName(char *name, int port, int pool, NTP_Source_Type type,
sp->unresolved_sources = 0; sp->unresolved_sources = 0;
sp->confirmed_sources = 0; sp->confirmed_sources = 0;
sp->max_sources = CLAMP(1, params->max_sources, MAX_POOL_SOURCES); sp->max_sources = CLAMP(1, params->max_sources, MAX_POOL_SOURCES);
us->pool = ARR_GetSize(pools) - 1; us->pool_id = ARR_GetSize(pools) - 1;
us->address.ip_addr.family = IPADDR_UNSPEC; us->address.ip_addr.family = IPADDR_UNSPEC;
new_sources = MIN(2 * sp->max_sources, MAX_POOL_SOURCES); new_sources = MIN(2 * sp->max_sources, MAX_POOL_SOURCES);
} }
@ -682,7 +682,7 @@ NSR_AddSourceByName(char *name, int port, int pool, NTP_Source_Type type,
for (i = 0; i < new_sources; i++) { for (i = 0; i < new_sources; i++) {
if (i > 0) if (i > 0)
remote_addr.ip_addr.addr.id = ++last_address_id; remote_addr.ip_addr.addr.id = ++last_address_id;
if (add_source(&remote_addr, name, type, params, us->pool, last_conf_id) != NSR_Success) if (add_source(&remote_addr, name, type, params, us->pool_id, last_conf_id) != NSR_Success)
return NSR_TooManySources; return NSR_TooManySources;
} }
@ -749,8 +749,8 @@ clean_source_record(SourceRecord *record)
{ {
assert(record->remote_addr); assert(record->remote_addr);
if (record->pool != INVALID_POOL) { if (record->pool_id != INVALID_POOL) {
struct SourcePool *pool = get_pool(record->pool); struct SourcePool *pool = get_pool(record->pool_id);
pool->sources--; pool->sources--;
if (!UTI_IsIPReal(&record->remote_addr->ip_addr)) if (!UTI_IsIPReal(&record->remote_addr->ip_addr))
@ -846,7 +846,7 @@ resolve_source_replacement(SourceRecord *record)
stuck to a pair of addresses if the order doesn't change, or a group of stuck to a pair of addresses if the order doesn't change, or a group of
IPv4/IPv6 addresses if the resolver prefers inaccessible IP family */ IPv4/IPv6 addresses if the resolver prefers inaccessible IP family */
us->random_order = record->tentative; us->random_order = record->tentative;
us->pool = INVALID_POOL; us->pool_id = INVALID_POOL;
us->address = *record->remote_addr; us->address = *record->remote_addr;
append_unresolved_source(us); append_unresolved_source(us);
@ -915,7 +915,7 @@ NSR_UpdateSourceNtpAddress(NTP_Remote_Address *old_addr, NTP_Remote_Address *new
/* ================================================== */ /* ================================================== */
static void remove_pool_sources(int pool, int tentative, int unresolved) static void remove_pool_sources(int pool_id, int tentative, int unresolved)
{ {
SourceRecord *record; SourceRecord *record;
unsigned int i, removed; unsigned int i, removed;
@ -923,7 +923,7 @@ static void remove_pool_sources(int pool, int tentative, int unresolved)
for (i = removed = 0; i < ARR_GetSize(records); i++) { for (i = removed = 0; i < ARR_GetSize(records); i++) {
record = get_record(i); record = get_record(i);
if (!record->remote_addr || record->pool != pool) if (!record->remote_addr || record->pool_id != pool_id)
continue; continue;
if ((tentative && !record->tentative) || if ((tentative && !record->tentative) ||
@ -997,8 +997,8 @@ NSR_ProcessRx(NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
/* This was the first good reply from the source */ /* This was the first good reply from the source */
record->tentative = 0; record->tentative = 0;
if (record->pool != INVALID_POOL) { if (record->pool_id != INVALID_POOL) {
pool = get_pool(record->pool); pool = get_pool(record->pool_id);
pool->confirmed_sources++; pool->confirmed_sources++;
DEBUG_LOG("pool %s has %d confirmed sources", record->name, pool->confirmed_sources); DEBUG_LOG("pool %s has %d confirmed sources", record->name, pool->confirmed_sources);
@ -1006,7 +1006,7 @@ NSR_ProcessRx(NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
/* If the number of sources from the pool reached the configured /* If the number of sources from the pool reached the configured
maximum, remove the remaining tentative sources */ maximum, remove the remaining tentative sources */
if (pool->confirmed_sources >= pool->max_sources) if (pool->confirmed_sources >= pool->max_sources)
remove_pool_sources(record->pool, 1, 0); remove_pool_sources(record->pool_id, 1, 0);
} }
} }
} else { } else {