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nghttpx: Convert FreelistZone to enum class

This commit is contained in:
Tatsuhiro Tsujikawa 2018-10-17 10:15:50 +09:00
parent 4bd44b9cdf
commit b46a324943
2 changed files with 18 additions and 18 deletions
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24
src/shrpx_http2_session.cc
View File

@ -199,7 +199,7 @@ Http2Session::Http2Session(struct ev_loop *loop, SSL_CTX *ssl_ctx,
raddr_(nullptr),
state_(DISCONNECTED),
connection_check_state_(CONNECTION_CHECK_NONE),
freelist_zone_(FREELIST_ZONE_NONE),
freelist_zone_(FreelistZone::NONE),
settings_recved_(false),
allow_connect_proto_(false) {
read_ = write_ = &Http2Session::noop;
@ -723,7 +723,7 @@ void Http2Session::remove_downstream_connection(
SSLOG(INFO, this) << "Remove downstream";
}
if (freelist_zone_ == FREELIST_ZONE_NONE && !max_concurrency_reached()) {
if (freelist_zone_ == FreelistZone::NONE && !max_concurrency_reached()) {
if (LOG_ENABLED(INFO)) {
SSLOG(INFO, this) << "Append to http2_extra_freelist, addr=" << addr_
<< ", freelist.size="
@ -2313,7 +2313,7 @@ Http2Session::get_downstream_addr_group() const {
}
void Http2Session::add_to_avail_freelist() {
if (freelist_zone_ != FREELIST_ZONE_NONE) {
if (freelist_zone_ != FreelistZone::NONE) {
return;
}
@ -2323,13 +2323,13 @@ void Http2Session::add_to_avail_freelist() {
<< group_->shared_addr->http2_avail_freelist.size();
}
freelist_zone_ = FREELIST_ZONE_AVAIL;
freelist_zone_ = FreelistZone::AVAIL;
group_->shared_addr->http2_avail_freelist.append(this);
addr_->in_avail = true;
}
void Http2Session::add_to_extra_freelist() {
if (freelist_zone_ != FREELIST_ZONE_NONE) {
if (freelist_zone_ != FreelistZone::NONE) {
return;
}
@ -2339,15 +2339,15 @@ void Http2Session::add_to_extra_freelist() {
<< addr_->http2_extra_freelist.size();
}
freelist_zone_ = FREELIST_ZONE_EXTRA;
freelist_zone_ = FreelistZone::EXTRA;
addr_->http2_extra_freelist.append(this);
}
void Http2Session::remove_from_freelist() {
switch (freelist_zone_) {
case FREELIST_ZONE_NONE:
case FreelistZone::NONE:
return;
case FREELIST_ZONE_AVAIL:
case FreelistZone::AVAIL:
if (LOG_ENABLED(INFO)) {
SSLOG(INFO, this) << "Remove from http2_avail_freelist, group=" << group_
<< ", freelist.size="
@ -2356,7 +2356,7 @@ void Http2Session::remove_from_freelist() {
group_->shared_addr->http2_avail_freelist.remove(this);
addr_->in_avail = false;
break;
case FREELIST_ZONE_EXTRA:
case FreelistZone::EXTRA:
if (LOG_ENABLED(INFO)) {
SSLOG(INFO, this) << "Remove from http2_extra_freelist, addr=" << addr_
<< ", freelist.size="
@ -2364,16 +2364,16 @@ void Http2Session::remove_from_freelist() {
}
addr_->http2_extra_freelist.remove(this);
break;
case FREELIST_ZONE_GONE:
case FreelistZone::GONE:
return;
}
freelist_zone_ = FREELIST_ZONE_NONE;
freelist_zone_ = FreelistZone::NONE;
}
void Http2Session::exclude_from_scheduling() {
remove_from_freelist();
freelist_zone_ = FREELIST_ZONE_GONE;
freelist_zone_ = FreelistZone::GONE;
}
DefaultMemchunks *Http2Session::get_request_buf() { return &wb_; }

12
src/shrpx_http2_session.h
View File

@ -58,18 +58,18 @@ struct StreamData {
Http2DownstreamConnection *dconn;
};
enum FreelistZone {
enum class FreelistZone {
// Http2Session object is not linked in any freelist.
FREELIST_ZONE_NONE,
NONE,
// Http2Session object is linked in group scope
// http2_avail_freelist.
FREELIST_ZONE_AVAIL,
AVAIL,
// Http2Session object is linked in address scope
// http2_extra_freelist.
FREELIST_ZONE_EXTRA,
EXTRA,
// Http2Session object is about to be deleted, and it does not
// belong to any linked list.
FREELIST_ZONE_GONE
GONE
};
class Http2Session {
@ -285,7 +285,7 @@ private:
std::unique_ptr<DNSQuery> dns_query_;
int state_;
int connection_check_state_;
int freelist_zone_;
FreelistZone freelist_zone_;
// true if SETTINGS without ACK is received from peer.
bool settings_recved_;
// true if peer enables RFC 8441 CONNECT protocol.