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-rw-r--r--core/io/ip.cpp63
1 files changed, 22 insertions, 41 deletions
diff --git a/core/io/ip.cpp b/core/io/ip.cpp
index 68b4e4b354..25e3bef5fc 100644
--- a/core/io/ip.cpp
+++ b/core/io/ip.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -74,8 +74,7 @@ struct _IP_ResolverPrivate {
Semaphore sem;
Thread thread;
- //Semaphore* semaphore;
- bool thread_abort;
+ bool thread_abort = false;
void resolve_queues() {
for (int i = 0; i < IP::RESOLVER_MAX_QUERIES; i++) {
@@ -98,13 +97,18 @@ struct _IP_ResolverPrivate {
if (queue[i].status.get() != IP::RESOLVER_STATUS_WAITING) {
continue;
}
+ // We might be overriding another result, but we don't care as long as the result is valid.
+ if (response.size()) {
+ String key = get_cache_key(hostname, type);
+ cache[key] = response;
+ }
queue[i].response = response;
queue[i].status.set(response.is_empty() ? IP::RESOLVER_STATUS_ERROR : IP::RESOLVER_STATUS_DONE);
}
}
static void _thread_function(void *self) {
- _IP_ResolverPrivate *ipr = (_IP_ResolverPrivate *)self;
+ _IP_ResolverPrivate *ipr = static_cast<_IP_ResolverPrivate *>(self);
while (!ipr->thread_abort) {
ipr->sem.wait();
@@ -120,30 +124,8 @@ struct _IP_ResolverPrivate {
};
IPAddress IP::resolve_hostname(const String &p_hostname, IP::Type p_type) {
- List<IPAddress> res;
- String key = _IP_ResolverPrivate::get_cache_key(p_hostname, p_type);
-
- resolver->mutex.lock();
- if (resolver->cache.has(key)) {
- res = resolver->cache[key];
- } else {
- // This should be run unlocked so the resolver thread can keep
- // resolving other requests.
- resolver->mutex.unlock();
- _resolve_hostname(res, p_hostname, p_type);
- resolver->mutex.lock();
- // We might be overriding another result, but we don't care (they are the
- // same hostname).
- resolver->cache[key] = res;
- }
- resolver->mutex.unlock();
-
- for (int i = 0; i < res.size(); ++i) {
- if (res[i].is_valid()) {
- return res[i];
- }
- }
- return IPAddress();
+ const Array addresses = resolve_hostname_addresses(p_hostname, p_type);
+ return addresses.size() ? addresses[0].operator IPAddress() : IPAddress();
}
Array IP::resolve_hostname_addresses(const String &p_hostname, Type p_type) {
@@ -159,17 +141,16 @@ Array IP::resolve_hostname_addresses(const String &p_hostname, Type p_type) {
resolver->mutex.unlock();
_resolve_hostname(res, p_hostname, p_type);
resolver->mutex.lock();
- // We might be overriding another result, but we don't care (they are the
- // same hostname).
- resolver->cache[key] = res;
+ // We might be overriding another result, but we don't care as long as the result is valid.
+ if (res.size()) {
+ resolver->cache[key] = res;
+ }
}
resolver->mutex.unlock();
Array result;
for (int i = 0; i < res.size(); ++i) {
- if (res[i].is_valid()) {
- result.push_back(String(res[i]));
- }
+ result.push_back(String(res[i]));
}
return result;
}
@@ -204,7 +185,7 @@ IP::ResolverID IP::resolve_hostname_queue_item(const String &p_hostname, IP::Typ
}
IP::ResolverStatus IP::get_resolve_item_status(ResolverID p_id) const {
- ERR_FAIL_INDEX_V(p_id, IP::RESOLVER_MAX_QUERIES, IP::RESOLVER_STATUS_NONE);
+ ERR_FAIL_INDEX_V_MSG(p_id, IP::RESOLVER_MAX_QUERIES, IP::RESOLVER_STATUS_NONE, vformat("Too many concurrent DNS resolver queries (%d, but should be %d at most). Try performing less network requests at once.", p_id, IP::RESOLVER_MAX_QUERIES));
IP::ResolverStatus res = resolver->queue[p_id].status.get();
if (res == IP::RESOLVER_STATUS_NONE) {
@@ -215,7 +196,7 @@ IP::ResolverStatus IP::get_resolve_item_status(ResolverID p_id) const {
}
IPAddress IP::get_resolve_item_address(ResolverID p_id) const {
- ERR_FAIL_INDEX_V(p_id, IP::RESOLVER_MAX_QUERIES, IPAddress());
+ ERR_FAIL_INDEX_V_MSG(p_id, IP::RESOLVER_MAX_QUERIES, IPAddress(), vformat("Too many concurrent DNS resolver queries (%d, but should be %d at most). Try performing less network requests at once.", p_id, IP::RESOLVER_MAX_QUERIES));
MutexLock lock(resolver->mutex);
@@ -235,7 +216,7 @@ IPAddress IP::get_resolve_item_address(ResolverID p_id) const {
}
Array IP::get_resolve_item_addresses(ResolverID p_id) const {
- ERR_FAIL_INDEX_V(p_id, IP::RESOLVER_MAX_QUERIES, Array());
+ ERR_FAIL_INDEX_V_MSG(p_id, IP::RESOLVER_MAX_QUERIES, Array(), vformat("Too many concurrent DNS resolver queries (%d, but should be %d at most). Try performing less network requests at once.", p_id, IP::RESOLVER_MAX_QUERIES));
MutexLock lock(resolver->mutex);
if (resolver->queue[p_id].status.get() != IP::RESOLVER_STATUS_DONE) {
@@ -255,7 +236,7 @@ Array IP::get_resolve_item_addresses(ResolverID p_id) const {
}
void IP::erase_resolve_item(ResolverID p_id) {
- ERR_FAIL_INDEX(p_id, IP::RESOLVER_MAX_QUERIES);
+ ERR_FAIL_INDEX_MSG(p_id, IP::RESOLVER_MAX_QUERIES, vformat("Too many concurrent DNS resolver queries (%d, but should be %d at most). Try performing less network requests at once.", p_id, IP::RESOLVER_MAX_QUERIES));
resolver->queue[p_id].status.set(IP::RESOLVER_STATUS_NONE);
}
@@ -286,7 +267,7 @@ Array IP::_get_local_addresses() const {
Array IP::_get_local_interfaces() const {
Array results;
- Map<String, Interface_Info> interfaces;
+ HashMap<String, Interface_Info> interfaces;
get_local_interfaces(&interfaces);
for (KeyValue<String, Interface_Info> &E : interfaces) {
Interface_Info &c = E.value;
@@ -308,7 +289,7 @@ Array IP::_get_local_interfaces() const {
}
void IP::get_local_addresses(List<IPAddress> *r_addresses) const {
- Map<String, Interface_Info> interfaces;
+ HashMap<String, Interface_Info> interfaces;
get_local_interfaces(&interfaces);
for (const KeyValue<String, Interface_Info> &E : interfaces) {
for (const IPAddress &F : E.value.ip_addresses) {