aniani/icecast-server
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Code

Update: Replaced listensocket container's mutex with rwlock

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This commit is contained in:
Philipp Schafft 2022-03-21 08:48:23 +00:00
parent a167bb41d6
commit efbb64e618
1 changed files with 26 additions and 23 deletions
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49
src/listensocket.c
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@ -36,7 +36,7 @@
struct listensocket_container_tag {
refobject_base_t __base;
mutex_t lock;
rwlock_t rwlock;
bool prefer_inet6;
listensocket_t **sock;
int *sockref;
@ -146,10 +146,10 @@ static void __listensocket_container_clear_sockets(listensocket_container_t *sel
static void __listensocket_container_free(refobject_t self, void **userdata)
{
listensocket_container_t *container = REFOBJECT_TO_TYPE(self, listensocket_container_t *);
thread_mutex_lock(&container->lock);
thread_rwlock_wlock(&container->rwlock);
__listensocket_container_clear_sockets(container);
thread_mutex_unlock(&container->lock);
thread_mutex_destroy(&container->lock);
thread_rwlock_unlock(&container->rwlock);
thread_rwlock_destroy(&container->rwlock);
}
int __listensocket_container_new(refobject_t self, const refobject_type_t *type, va_list ap)
@ -161,7 +161,7 @@ int __listensocket_container_new(refobject_t self, const refobject_type_t *type,
ret->sockcount_cb = NULL;
ret->sockcount_userdata = NULL;
thread_mutex_create(&ret->lock);
thread_rwlock_create(&ret->rwlock);
return 0;
}
@ -203,9 +203,9 @@ int listensocket_container_configure(listensocket_contai
if (!self)
return -1;
thread_mutex_lock(&self->lock);
thread_rwlock_wlock(&self->rwlock);
ret = listensocket_container_configure__unlocked(self, config);
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return ret;
}
@ -281,7 +281,7 @@ int listensocket_container_configure_and_setup(listensoc
prefer_inet6 = sock_is_ipv4_mapped_supported(); /* test before we enter lock to minimise locked time */
thread_mutex_lock(&self->lock);
thread_rwlock_wlock(&self->rwlock);
self->prefer_inet6 = prefer_inet6;
cb = self->sockcount_cb;
self->sockcount_cb = NULL;
@ -294,7 +294,7 @@ int listensocket_container_configure_and_setup(listensoc
self->sockcount_cb = cb;
__call_sockcount_cb(self);
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return ret;
}
@ -309,10 +309,10 @@ int listensocket_container_setup(listensocket_container_
prefer_inet6 = sock_is_ipv4_mapped_supported(); /* test before we enter lock to minimise locked time */
thread_mutex_lock(&self->lock);
thread_rwlock_wlock(&self->rwlock);
self->prefer_inet6 = prefer_inet6;
ret = listensocket_container_setup__unlocked(self);
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return ret;
}
@ -442,10 +442,10 @@ connection_t * listensocket_container_accept(listensocket_container
if (!self)
return NULL;
thread_mutex_lock(&self->lock);
thread_rwlock_rlock(&self->rwlock);
ls = listensocket_container_accept__inner(self, timeout);
refobject_ref(ls);
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
ret = listensocket_accept(ls, self);
refobject_unref(ls);
@ -458,10 +458,10 @@ int listensocket_container_set_sockcount_cb(listensocket
if (!self)
return -1;
thread_mutex_lock(&self->lock);
thread_rwlock_wlock(&self->rwlock);
self->sockcount_cb = cb;
self->sockcount_userdata = userdata;
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return 0;
}
@ -473,9 +473,9 @@ ssize_t listensocket_container_sockcount(listensocket_contai
if (!self)
return -1;
thread_mutex_lock(&self->lock);
thread_rwlock_rlock(&self->rwlock);
ret = listensocket_container_sockcount__unlocked(self);
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return ret;
}
@ -499,6 +499,7 @@ listensocket_t * listensocket_container_get_by_id(listensocket_container_t *self
size_t i;
const listener_t *listener;
thread_rwlock_rlock(&self->rwlock);
for (i = 0; i < self->sock_len; i++) {
if (self->sock[i] != NULL) {
listener = listensocket_get_listener(self->sock[i]);
@ -506,6 +507,7 @@ listensocket_t * listensocket_container_get_by_id(listensocket_container_t *self
if (listener->id != NULL && strcmp(listener->id, id) == 0) {
if (refobject_ref(self->sock[i]) == 0) {
listensocket_release_listener(self->sock[i]);
thread_rwlock_unlock(&self->rwlock);
return self->sock[i];
}
}
@ -513,6 +515,7 @@ listensocket_t * listensocket_container_get_by_id(listensocket_container_t *self
}
}
}
thread_rwlock_unlock(&self->rwlock);
return NULL;
}
@ -523,10 +526,10 @@ listensocket_t ** listensocket_container_list_sockets(listensocket_con
size_t idx = 0;
size_t i;
thread_mutex_lock(&self->lock);
thread_rwlock_rlock(&self->rwlock);
res = calloc(self->sock_len + 1, sizeof(*res));
if (!res) {
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return NULL;
}
@ -536,7 +539,7 @@ listensocket_t ** listensocket_container_list_sockets(listensocket_con
}
}
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return res;
}
@ -545,16 +548,16 @@ bool listensocket_container_is_family_included(listensock
{
size_t i;
thread_mutex_lock(&self->lock);
thread_rwlock_rlock(&self->rwlock);
for (i = 0; i < self->sock_len; i++) {
if (self->sock[i] != NULL) {
if (listensocket_get_family(self->sock[i]) == family) {
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return true;
}
}
}
thread_mutex_unlock(&self->lock);
thread_rwlock_unlock(&self->rwlock);
return false;
}