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nghttpx: Use Address* as a key for client side session cache

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This commit is contained in:
Tatsuhiro Tsujikawa 2016-02-11 12:40:15 +09:00
parent 396dde1347
commit 00175eac33
3 changed files with 15 additions and 16 deletions
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4
src/shrpx_http_downstream_connection.cc
View File

@ -133,7 +133,7 @@ HttpDownstreamConnection::~HttpDownstreamConnection() {
if (conn_.tls.ssl) {
auto session = SSL_get1_session(conn_.tls.ssl);
if (session) {
worker_->cache_downstream_tls_session(addr_, session);
worker_->cache_downstream_tls_session(&addr_->addr, session);
}
}
}
@ -218,7 +218,7 @@ int HttpDownstreamConnection::attach_downstream(Downstream *downstream) {
SSL_set_tlsext_host_name(conn_.tls.ssl, sni_name.c_str());
}
auto session = worker_->reuse_downstream_tls_session(addr_);
auto session = worker_->reuse_downstream_tls_session(&addr_->addr);
if (session) {
SSL_set_session(conn_.tls.ssl, session);
SSL_SESSION_free(session);

4
src/shrpx_worker.cc
View File

@ -307,7 +307,7 @@ mruby::MRubyContext *Worker::get_mruby_context() const {
}
#endif // HAVE_MRUBY
void Worker::cache_downstream_tls_session(const DownstreamAddr *addr,
void Worker::cache_downstream_tls_session(const Address *addr,
SSL_SESSION *session) {
auto &tlsconf = get_config()->tls;
@ -341,7 +341,7 @@ void Worker::cache_downstream_tls_session(const DownstreamAddr *addr,
++downstream_tls_session_cache_size_;
}
SSL_SESSION *Worker::reuse_downstream_tls_session(const DownstreamAddr *addr) {
SSL_SESSION *Worker::reuse_downstream_tls_session(const Address *addr) {
auto it = downstream_tls_session_cache_.find(addr);
if (it == std::end(downstream_tls_session_cache_)) {
return nullptr;

23
src/shrpx_worker.h
View File

@ -145,16 +145,15 @@ public:
mruby::MRubyContext *get_mruby_context() const;
#endif // HAVE_MRUBY
// Caches |session| which is associated to downstream address
// |addr|. The caller is responsible to increment the reference
// count of |session|, since this function does not do so.
void cache_downstream_tls_session(const DownstreamAddr *addr,
SSL_SESSION *session);
// Caches |session| which is associated to remote address |addr|.
// The caller is responsible to increment the reference count of
// |session|, since this function does not do so.
void cache_downstream_tls_session(const Address *addr, SSL_SESSION *session);
// Returns cached session associated |addr|. If non-nullptr value
// is returned, its cache entry was successfully removed from cache.
// If no cache entry is found associated to |addr|, nullptr will be
// returned.
SSL_SESSION *reuse_downstream_tls_session(const DownstreamAddr *addr);
SSL_SESSION *reuse_downstream_tls_session(const Address *addr);
private:
#ifndef NOTHREADS
@ -170,12 +169,12 @@ private:
WorkerStat worker_stat_;
std::vector<DownstreamGroup> dgrps_;
// Cache for SSL_SESSION for downstream connections. SSL_SESSION is
// associated to downstream address. One address has multiple
// SSL_SESSION objects. New SSL_SESSION is appended to the deque.
// When doing eviction due to storage limitation, the SSL_SESSION
// which sits at the front of deque is removed.
std::unordered_map<const DownstreamAddr *, std::deque<SSL_SESSION *>>
// Client side SSL_SESSION cache. SSL_SESSION is associated to
// remote address. One address has multiple SSL_SESSION objects.
// New SSL_SESSION is appended to the deque. When doing eviction
// due to storage limitation, the SSL_SESSION which sits at the
// front of deque is removed.
std::unordered_map<const Address *, std::deque<SSL_SESSION *>>
downstream_tls_session_cache_;
size_t downstream_tls_session_cache_size_;