nghttpx: Add window size options for HTTP/3 connection

This commit is contained in:
Tatsuhiro Tsujikawa 2021-08-27 19:57:04 +09:00
parent fb8ff7b892
commit 87fb325357
5 changed files with 150 additions and 5 deletions

View File

@ -183,6 +183,10 @@ OPTIONS = [
"frontend-http3-read-timeout",
"frontend-quic-idle-timeout",
"frontend-quic-debug-log",
"frontend-http3-window-size",
"frontend-http3-connection-window-size",
"frontend-http3-max-window-size",
"frontend-http3-max-connection-window-size",
]
LOGVARS = [

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@ -1563,6 +1563,16 @@ void fill_default_config(Config *config) {
auto &bpfconf = quicconf.bpf;
bpfconf.prog_file = StringRef::from_lit(PKGLIBDIR "/reuseport_kern.o");
}
auto &http3conf = config->http3;
{
auto &upstreamconf = http3conf.upstream;
upstreamconf.window_size = 256_k;
upstreamconf.connection_window_size = 1_m;
upstreamconf.max_window_size = 6_m;
upstreamconf.max_connection_window_size = 8_m;
}
#endif // ENABLE_HTTP3
auto &loggingconf = config->logging;
@ -2901,6 +2911,34 @@ QUIC:
Default: )"
<< config->quic.bpf.prog_file << R"(
--no-bpf Disable eBPF.
--frontend-http3-window-size=<SIZE>
Sets the per-stream initial window size of HTTP/3
frontend connection.
Default: )"
<< util::utos_unit(config->http3.upstream.window_size) << R"(
--frontend-http3-connection-window-size=<SIZE>
Sets the per-connection window size of HTTP/3 frontend
connection.
Default: )"
<< util::utos_unit(config->http3.upstream.connection_window_size) << R"(
--frontend-http3-max-window-size=<SIZE>
Sets the maximum per-stream window size of HTTP/3
frontend connection. The window size is adjusted based
on the receiving rate of stream data. The initial value
is the value specified by --frontend-http3-window-size
and the window size grows up to <SIZE> bytes.
Default: )"
<< util::utos_unit(config->http3.upstream.max_window_size) << R"(
--frontend-http3-max-connection-window-size=<SIZE>
Sets the maximum per-connection window size of HTTP/3
frontend connection. The window size is adjusted based
on the receiving rate of stream data. The initial value
is the value specified by
--frontend-http3-connection-window-size and the window
size grows up to <SIZE> bytes.
Default: )"
<< util::utos_unit(config->http3.upstream.max_connection_window_size)
<< R"(
)";
#endif // ENABLE_HTTP3
@ -3612,6 +3650,14 @@ int main(int argc, char **argv) {
{SHRPX_OPT_FRONTEND_QUIC_IDLE_TIMEOUT.c_str(), required_argument, &flag,
173},
{SHRPX_OPT_FRONTEND_QUIC_DEBUG_LOG.c_str(), no_argument, &flag, 174},
{SHRPX_OPT_FRONTEND_HTTP3_WINDOW_SIZE.c_str(), required_argument, &flag,
175},
{SHRPX_OPT_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE.c_str(),
required_argument, &flag, 176},
{SHRPX_OPT_FRONTEND_HTTP3_MAX_WINDOW_SIZE.c_str(), required_argument,
&flag, 177},
{SHRPX_OPT_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE.c_str(),
required_argument, &flag, 178},
{nullptr, 0, nullptr, 0}};
int option_index = 0;
@ -4442,6 +4488,27 @@ int main(int argc, char **argv) {
cmdcfgs.emplace_back(SHRPX_OPT_FRONTEND_QUIC_DEBUG_LOG,
StringRef::from_lit("yes"));
break;
case 175:
// --frontend-http3-window-size
cmdcfgs.emplace_back(SHRPX_OPT_FRONTEND_HTTP3_WINDOW_SIZE,
StringRef{optarg});
break;
case 176:
// --frontend-http3-connection-window-size
cmdcfgs.emplace_back(SHRPX_OPT_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE,
StringRef{optarg});
break;
case 177:
// --frontend-http3-max-window-size
cmdcfgs.emplace_back(SHRPX_OPT_FRONTEND_HTTP3_MAX_WINDOW_SIZE,
StringRef{optarg});
break;
case 178:
// --frontend-http3-max-connection-window-size
cmdcfgs.emplace_back(
SHRPX_OPT_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE,
StringRef{optarg});
break;
default:
break;
}

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@ -2355,6 +2355,9 @@ int option_lookup_token(const char *name, size_t namelen) {
if (util::strieq_l("frontend-http2-window-siz", name, 25)) {
return SHRPX_OPTID_FRONTEND_HTTP2_WINDOW_SIZE;
}
if (util::strieq_l("frontend-http3-window-siz", name, 25)) {
return SHRPX_OPTID_FRONTEND_HTTP3_WINDOW_SIZE;
}
break;
case 's':
if (util::strieq_l("frontend-http2-window-bit", name, 25)) {
@ -2449,6 +2452,11 @@ int option_lookup_token(const char *name, size_t namelen) {
return SHRPX_OPTID_VERIFY_CLIENT_TOLERATE_EXPIRED;
}
break;
case 'e':
if (util::strieq_l("frontend-http3-max-window-siz", name, 29)) {
return SHRPX_OPTID_FRONTEND_HTTP3_MAX_WINDOW_SIZE;
}
break;
case 'r':
if (util::strieq_l("ignore-per-pattern-mruby-erro", name, 29)) {
return SHRPX_OPTID_IGNORE_PER_PATTERN_MRUBY_ERROR;
@ -2578,6 +2586,9 @@ int option_lookup_token(const char *name, size_t namelen) {
if (util::strieq_l("frontend-http2-connection-window-siz", name, 36)) {
return SHRPX_OPTID_FRONTEND_HTTP2_CONNECTION_WINDOW_SIZE;
}
if (util::strieq_l("frontend-http3-connection-window-siz", name, 36)) {
return SHRPX_OPTID_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE;
}
if (util::strieq_l("tls-session-cache-memcached-cert-fil", name, 36)) {
return SHRPX_OPTID_TLS_SESSION_CACHE_MEMCACHED_CERT_FILE;
}
@ -2637,6 +2648,10 @@ int option_lookup_token(const char *name, size_t namelen) {
40)) {
return SHRPX_OPTID_FRONTEND_HTTP2_OPTIMIZE_WRITE_BUFFER_SIZE;
}
if (util::strieq_l("frontend-http3-max-connection-window-siz", name,
40)) {
return SHRPX_OPTID_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE;
}
if (util::strieq_l("tls-ticket-key-memcached-private-key-fil", name,
40)) {
return SHRPX_OPTID_TLS_TICKET_KEY_MEMCACHED_PRIVATE_KEY_FILE;
@ -3902,6 +3917,42 @@ int parse_config(Config *config, int optid, const StringRef &opt,
config->quic.upstream.debug.log = util::strieq_l("yes", optarg);
#endif // ENABLE_HTTP3
return 0;
case SHRPX_OPTID_FRONTEND_HTTP3_WINDOW_SIZE:
#ifdef ENABLE_HTTP3
if (parse_uint_with_unit(&config->http3.upstream.window_size, opt,
optarg) != 0) {
return -1;
}
#endif // ENABLE_HTTP3
return 0;
case SHRPX_OPTID_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE:
#ifdef ENABLE_HTTP3
if (parse_uint_with_unit(&config->http3.upstream.connection_window_size,
opt, optarg) != 0) {
return -1;
}
#endif // ENABLE_HTTP3
return 0;
case SHRPX_OPTID_FRONTEND_HTTP3_MAX_WINDOW_SIZE:
#ifdef ENABLE_HTTP3
if (parse_uint_with_unit(&config->http3.upstream.max_window_size, opt,
optarg) != 0) {
return -1;
}
#endif // ENABLE_HTTP3
return 0;
case SHRPX_OPTID_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE:
#ifdef ENABLE_HTTP3
if (parse_uint_with_unit(&config->http3.upstream.max_connection_window_size,
opt, optarg) != 0) {
return -1;
}
#endif // ENABLE_HTTP3
return 0;
case SHRPX_OPTID_CONF:
LOG(WARN) << "conf: ignored";

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@ -373,6 +373,14 @@ constexpr auto SHRPX_OPT_FRONTEND_QUIC_IDLE_TIMEOUT =
StringRef::from_lit("frontend-quic-idle-timeout");
constexpr auto SHRPX_OPT_FRONTEND_QUIC_DEBUG_LOG =
StringRef::from_lit("frontend-quic-debug-log");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-connection-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_MAX_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-max-window-size");
constexpr auto SHRPX_OPT_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE =
StringRef::from_lit("frontend-http3-max-connection-window-size");
constexpr size_t SHRPX_OBFUSCATED_NODE_LENGTH = 8;
@ -742,6 +750,15 @@ struct QUICConfig {
bool disabled;
} bpf;
};
struct Http3Config {
struct {
int32_t window_size;
int32_t connection_window_size;
int32_t max_window_size;
int32_t max_connection_window_size;
} upstream;
};
#endif // ENABLE_HTTP3
// custom error page
@ -1043,6 +1060,7 @@ struct Config {
TLSConfig tls;
#ifdef ENABLE_HTTP3
QUICConfig quic;
Http3Config http3;
#endif // ENABLE_HTTP3
LoggingConfig logging;
ConnectionConfig conn;
@ -1169,7 +1187,11 @@ enum {
SHRPX_OPTID_FRONTEND_HTTP2_SETTINGS_TIMEOUT,
SHRPX_OPTID_FRONTEND_HTTP2_WINDOW_BITS,
SHRPX_OPTID_FRONTEND_HTTP2_WINDOW_SIZE,
SHRPX_OPTID_FRONTEND_HTTP3_CONNECTION_WINDOW_SIZE,
SHRPX_OPTID_FRONTEND_HTTP3_MAX_CONNECTION_WINDOW_SIZE,
SHRPX_OPTID_FRONTEND_HTTP3_MAX_WINDOW_SIZE,
SHRPX_OPTID_FRONTEND_HTTP3_READ_TIMEOUT,
SHRPX_OPTID_FRONTEND_HTTP3_WINDOW_SIZE,
SHRPX_OPTID_FRONTEND_KEEP_ALIVE_TIMEOUT,
SHRPX_OPTID_FRONTEND_MAX_REQUESTS,
SHRPX_OPTID_FRONTEND_NO_TLS,

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@ -496,6 +496,7 @@ int Http3Upstream::init(const UpstreamAddr *faddr, const Address &remote_addr,
auto config = get_config();
auto &quicconf = config->quic;
auto &http3conf = config->http3;
ngtcp2_settings settings;
ngtcp2_settings_default(&settings);
@ -504,8 +505,8 @@ int Http3Upstream::init(const UpstreamAddr *faddr, const Address &remote_addr,
}
settings.initial_ts = quic_timestamp();
settings.cc_algo = NGTCP2_CC_ALGO_BBR;
settings.max_window = 6_m;
settings.max_stream_window = 6_m;
settings.max_window = http3conf.upstream.max_connection_window_size;
settings.max_stream_window = http3conf.upstream.max_window_size;
settings.max_udp_payload_size = SHRPX_MAX_UDP_PAYLOAD_SIZE;
settings.rand_ctx.native_handle = &worker->get_randgen();
settings.token = ngtcp2_vec{const_cast<uint8_t *>(token), tokenlen};
@ -514,9 +515,9 @@ int Http3Upstream::init(const UpstreamAddr *faddr, const Address &remote_addr,
ngtcp2_transport_params_default(&params);
params.initial_max_streams_bidi = 100;
params.initial_max_streams_uni = 3;
params.initial_max_data = 1_m;
params.initial_max_stream_data_bidi_remote = 256_k;
params.initial_max_stream_data_uni = 256_k;
params.initial_max_data = http3conf.upstream.connection_window_size;
params.initial_max_stream_data_bidi_remote = http3conf.upstream.window_size;
params.initial_max_stream_data_uni = http3conf.upstream.window_size;
params.max_idle_timeout = static_cast<ngtcp2_tstamp>(
quicconf.upstream.timeout.idle * NGTCP2_SECONDS);