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Diffstat (limited to 'examples/client_base.cc')
| -rw-r--r-- | examples/client_base.cc | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/examples/client_base.cc b/examples/client_base.cc new file mode 100644 index 0000000..aa35b4b --- /dev/null +++ b/examples/client_base.cc @@ -0,0 +1,202 @@ +/* + * ngtcp2 + * + * Copyright (c) 2020 ngtcp2 contributors + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +#include "client_base.h" + +#include <cassert> +#include <array> +#include <iostream> +#include <fstream> + +#include "debug.h" +#include "template.h" +#include "util.h" + +using namespace ngtcp2; +using namespace std::literals; + +extern Config config; + +static ngtcp2_conn *get_conn(ngtcp2_crypto_conn_ref *conn_ref) { + auto c = static_cast<ClientBase *>(conn_ref->user_data); + return c->conn(); +} + +ClientBase::ClientBase() + : conn_ref_{get_conn, this}, qlog_(nullptr), conn_(nullptr) { + ngtcp2_connection_close_error_default(&last_error_); +} + +ClientBase::~ClientBase() { + if (conn_) { + ngtcp2_conn_del(conn_); + } + + if (qlog_) { + fclose(qlog_); + } +} + +int ClientBase::write_transport_params(const char *path, + const ngtcp2_transport_params *params) { + auto f = std::ofstream(path); + if (!f) { + return -1; + } + + f << "initial_max_streams_bidi=" << params->initial_max_streams_bidi << '\n' + << "initial_max_streams_uni=" << params->initial_max_streams_uni << '\n' + << "initial_max_stream_data_bidi_local=" + << params->initial_max_stream_data_bidi_local << '\n' + << "initial_max_stream_data_bidi_remote=" + << params->initial_max_stream_data_bidi_remote << '\n' + << "initial_max_stream_data_uni=" << params->initial_max_stream_data_uni + << '\n' + << "initial_max_data=" << params->initial_max_data << '\n' + << "active_connection_id_limit=" << params->active_connection_id_limit + << '\n' + << "max_datagram_frame_size=" << params->max_datagram_frame_size << '\n'; + + f.close(); + if (!f) { + return -1; + } + + return 0; +} + +int ClientBase::read_transport_params(const char *path, + ngtcp2_transport_params *params) { + auto f = std::ifstream(path); + if (!f) { + return -1; + } + + for (std::string line; std::getline(f, line);) { + if (util::istarts_with(line, "initial_max_streams_bidi="sv)) { + if (auto n = util::parse_uint(line.c_str() + + "initial_max_streams_bidi="sv.size()); + !n) { + return -1; + } else { + params->initial_max_streams_bidi = *n; + } + continue; + } + + if (util::istarts_with(line, "initial_max_streams_uni="sv)) { + if (auto n = util::parse_uint(line.c_str() + + "initial_max_streams_uni="sv.size()); + !n) { + return -1; + } else { + params->initial_max_streams_uni = *n; + } + continue; + } + + if (util::istarts_with(line, "initial_max_stream_data_bidi_local="sv)) { + if (auto n = util::parse_uint( + line.c_str() + "initial_max_stream_data_bidi_local="sv.size()); + !n) { + return -1; + } else { + params->initial_max_stream_data_bidi_local = *n; + } + continue; + } + + if (util::istarts_with(line, "initial_max_stream_data_bidi_remote="sv)) { + if (auto n = util::parse_uint( + line.c_str() + "initial_max_stream_data_bidi_remote="sv.size()); + !n) { + return -1; + } else { + params->initial_max_stream_data_bidi_remote = *n; + } + continue; + } + + if (util::istarts_with(line, "initial_max_stream_data_uni="sv)) { + if (auto n = util::parse_uint(line.c_str() + + "initial_max_stream_data_uni="sv.size()); + !n) { + return -1; + } else { + params->initial_max_stream_data_uni = *n; + } + continue; + } + + if (util::istarts_with(line, "initial_max_data="sv)) { + if (auto n = + util::parse_uint(line.c_str() + "initial_max_data="sv.size()); + !n) { + return -1; + } else { + params->initial_max_data = *n; + } + continue; + } + + if (util::istarts_with(line, "active_connection_id_limit="sv)) { + if (auto n = util::parse_uint(line.c_str() + + "active_connection_id_limit="sv.size()); + !n) { + return -1; + } else { + params->active_connection_id_limit = *n; + } + continue; + } + + if (util::istarts_with(line, "max_datagram_frame_size="sv)) { + if (auto n = util::parse_uint(line.c_str() + + "max_datagram_frame_size="sv.size()); + !n) { + return -1; + } else { + params->max_datagram_frame_size = *n; + } + continue; + } + } + + return 0; +} + +ngtcp2_conn *ClientBase::conn() const { return conn_; } + +void qlog_write_cb(void *user_data, uint32_t flags, const void *data, + size_t datalen) { + auto c = static_cast<ClientBase *>(user_data); + c->write_qlog(data, datalen); +} + +void ClientBase::write_qlog(const void *data, size_t datalen) { + assert(qlog_); + fwrite(data, 1, datalen, qlog_); +} + +ngtcp2_crypto_conn_ref *ClientBase::conn_ref() { return &conn_ref_; } |