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nghttp: Allow multiple -p option 

The N-th -p options sets N-th URI's weight.  If the number of -p is
less than the number of URIs, the last -p value is repeated.  If no -p
is set, use default weight, 16.
This commit is contained in:
Tatsuhiro Tsujikawa 2016-07-27 05:10:27 +09:00
parent 767ed255ca
commit 3c1c2c4aad
2 changed files with 42 additions and 22 deletions
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60
src/nghttp.cc
View File

@ -96,9 +96,9 @@ Config::Config()
: header_table_size(-1),
min_header_table_size(std::numeric_limits<uint32_t>::max()),
padding(0),
next_weight_idx(0),
max_concurrent_streams(100),
peer_max_concurrent_streams(100),
weight(NGHTTP2_DEFAULT_WEIGHT),
multiply(1),
timeout(0.),
window_bits(-1),
@ -1124,23 +1124,25 @@ int HttpClient::connection_made() {
return -1;
}
if (need_upgrade()) {
if (need_upgrade() && !reqvec[0]->data_prd) {
// Amend the priority because we cannot send priority in
// HTTP/1.1 Upgrade.
auto &anchor = anchors[ANCHOR_FOLLOWERS];
nghttp2_priority_spec_init(&pri_spec, anchor.stream_id, config.weight, 0);
nghttp2_priority_spec_init(&pri_spec, anchor.stream_id,
reqvec[0]->pri_spec.weight, 0);
rv = nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec);
if (rv != 0) {
return -1;
}
}
} else if (need_upgrade() && config.weight != NGHTTP2_DEFAULT_WEIGHT) {
// Amend the priority because we cannot send priority in
// HTTP/1.1 Upgrade.
} else if (need_upgrade() && !reqvec[0]->data_prd &&
reqvec[0]->pri_spec.weight != NGHTTP2_DEFAULT_WEIGHT) {
// Amend the priority because we cannot send priority in HTTP/1.1
// Upgrade.
nghttp2_priority_spec pri_spec;
nghttp2_priority_spec_init(&pri_spec, 0, config.weight, 0);
nghttp2_priority_spec_init(&pri_spec, 0, reqvec[0]->pri_spec.weight, 0);
rv = nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec);
if (rv != 0) {
@ -2179,11 +2181,11 @@ const char *const CIPHER_LIST =
} // namespace
namespace {
int communicate(
const std::string &scheme, const std::string &host, uint16_t port,
std::vector<std::tuple<std::string, nghttp2_data_provider *, int64_t>>
requests,
const nghttp2_session_callbacks *callbacks) {
int communicate(const std::string &scheme, const std::string &host,
uint16_t port,
std::vector<std::tuple<std::string, nghttp2_data_provider *,
int64_t, int32_t>> requests,
const nghttp2_session_callbacks *callbacks) {
int result = 0;
auto loop = EV_DEFAULT;
SSL_CTX *ssl_ctx = nullptr;
@ -2239,16 +2241,17 @@ int communicate(
{
HttpClient client{callbacks, loop, ssl_ctx};
nghttp2_priority_spec pri_spec;
int32_t dep_stream_id = 0;
if (!config.no_dep) {
dep_stream_id = anchors[ANCHOR_FOLLOWERS].stream_id;
}
nghttp2_priority_spec_init(&pri_spec, dep_stream_id, config.weight, 0);
for (auto &req : requests) {
nghttp2_priority_spec pri_spec;
nghttp2_priority_spec_init(&pri_spec, dep_stream_id, std::get<3>(req), 0);
for (auto req : requests) {
for (int i = 0; i < config.multiply; ++i) {
client.add_request(std::get<0>(req), std::get<1>(req), std::get<2>(req),
pri_spec);
@ -2479,16 +2482,18 @@ int run(char **uris, int n) {
data_prd.source.fd = data_fd;
data_prd.read_callback = file_read_callback;
}
std::vector<std::tuple<std::string, nghttp2_data_provider *, int64_t>>
requests;
std::vector<std::tuple<std::string, nghttp2_data_provider *, int64_t,
int32_t>> requests;
for (int i = 0; i < n; ++i) {
http_parser_url u{};
auto uri = strip_fragment(uris[i]);
if (http_parser_parse_url(uri.c_str(), uri.size(), 0, &u) != 0) {
++config.next_weight_idx;
std::cerr << "[ERROR] Could not parse URI " << uri << std::endl;
continue;
}
if (!util::has_uri_field(u, UF_SCHEMA)) {
++config.next_weight_idx;
std::cerr << "[ERROR] URI " << uri << " does not have scheme part"
<< std::endl;
continue;
@ -2511,7 +2516,8 @@ int run(char **uris, int n) {
prev_port = port;
}
requests.emplace_back(uri, data_fd == -1 ? nullptr : &data_prd,
data_stat.st_size);
data_stat.st_size,
config.weight[config.next_weight_idx++]);
}
if (!requests.empty()) {
if (communicate(prev_scheme, prev_host, prev_port, std::move(requests),
@ -2593,10 +2599,14 @@ Options:
if the request URI has https scheme. If -d is used, the
HTTP upgrade request is performed with OPTIONS method.
-p, --weight=<WEIGHT>
Sets priority group weight. The valid value range is
Sets weight of given URI. This option can be used
multiple times, and N-th -p option sets weight of N-th
URI in the command line. If the number of -p option is
less than the number of URI, the last -p option value is
repeated. If there is no -p option, default weight, 16,
is assumed. The valid value range is
[)" << NGHTTP2_MIN_WEIGHT << ", " << NGHTTP2_MAX_WEIGHT
<< R"(], inclusive.
Default: )" << NGHTTP2_DEFAULT_WEIGHT << R"(
-M, --peer-max-concurrent-streams=<N>
Use <N> as SETTINGS_MAX_CONCURRENT_STREAMS value of
remote endpoint as if it is received in SETTINGS frame.
@ -2712,7 +2722,7 @@ int main(int argc, char **argv) {
errno = 0;
auto n = strtoul(optarg, nullptr, 10);
if (errno == 0 && NGHTTP2_MIN_WEIGHT <= n && n <= NGHTTP2_MAX_WEIGHT) {
config.weight = n;
config.weight.push_back(n);
} else {
std::cerr << "-p: specify the integer in the range ["
<< NGHTTP2_MIN_WEIGHT << ", " << NGHTTP2_MAX_WEIGHT
@ -2892,6 +2902,14 @@ int main(int argc, char **argv) {
}
}
int32_t weight_to_fill;
if (config.weight.empty()) {
weight_to_fill = NGHTTP2_DEFAULT_WEIGHT;
} else {
weight_to_fill = config.weight.back();
}
config.weight.insert(std::end(config.weight), argc - optind, weight_to_fill);
set_color_output(color || isatty(fileno(stdout)));
nghttp2_option_set_peer_max_concurrent_streams(

4
src/nghttp.h
View File

@ -64,6 +64,7 @@ struct Config {
Headers headers;
Headers trailer;
std::vector<int32_t> weight;
std::string certfile;
std::string keyfile;
std::string datafile;
@ -72,9 +73,10 @@ struct Config {
int64_t header_table_size;
int64_t min_header_table_size;
size_t padding;
// the next index into weight.
size_t next_weight_idx;
size_t max_concurrent_streams;
ssize_t peer_max_concurrent_streams;
int32_t weight;
int multiply;
// milliseconds
ev_tstamp timeout;