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/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2022 ScyllaDB Ltd.
*/
#include <seastar/core/app-template.hh>
#include <seastar/core/reactor.hh>
#include <seastar/core/shared_ptr.hh>
#include <seastar/core/iostream.hh>
#include <seastar/core/fstream.hh>
#include <seastar/core/thread.hh>
#include <seastar/http/client.hh>
#include <seastar/http/request.hh>
#include <seastar/http/reply.hh>
#include <seastar/net/inet_address.hh>
#include <seastar/net/dns.hh>
#include <seastar/net/tls.hh>
using namespace seastar;
namespace bpo = boost::program_options;
struct printer {
future<consumption_result<char>> operator() (temporary_buffer<char> buf) {
if (buf.empty()) {
return make_ready_future<consumption_result<char>>(stop_consuming(std::move(buf)));
}
fmt::print("{}", sstring(buf.get(), buf.size()));
return make_ready_future<consumption_result<char>>(continue_consuming());
}
};
int main(int ac, char** av) {
app_template app;
app.add_options()
("https", bpo::bool_switch(), "Use HTTPS on port 443 (if off -- use HTTP on port 80)")
("host", bpo::value<std::string>(), "Host to connect")
("path", bpo::value<std::string>(), "Path to query upon")
("method", bpo::value<std::string>()->default_value("GET"), "Method to use")
("file", bpo::value<std::string>(), "File to get body from (no body if missing)")
;
return app.run(ac, av, [&] {
auto&& config = app.configuration();
auto host = config["host"].as<std::string>();
auto path = config["path"].as<std::string>();
auto method = config["method"].as<std::string>();
auto body = config.count("file") == 0 ? std::string("") : config["file"].as<std::string>();
auto https = config["https"].as<bool>();
return seastar::async([=] {
net::hostent e = net::dns::get_host_by_name(host, net::inet_address::family::INET).get0();
auto make_socket = [=] () -> connected_socket {
if (!https) {
socket_address local = socket_address(::sockaddr_in{AF_INET, INADDR_ANY, {0}});
ipv4_addr addr(e.addr_list.front(), 80);
fmt::print("{} {}:80{}\n", method, e.addr_list.front(), path);
return connect(make_ipv4_address(addr), local, transport::TCP).get0();
} else {
auto certs = ::make_shared<tls::certificate_credentials>();
certs->set_system_trust().get();
socket_address remote = socket_address(e.addr_list.front(), 443);
fmt::print("{} {}:443{}\n", method, e.addr_list.front(), path);
return tls::connect(certs, remote, host).get0();
}
};
connected_socket s = make_socket();
http::experimental::connection conn(std::move(s));
auto req = http::request::make(method, host, path);
if (body != "") {
future<file> f = open_file_dma(body, open_flags::ro);
req.write_body("txt", [ f = std::move(f) ] (output_stream<char>&& out) mutable {
return seastar::async([f = std::move(f), out = std::move(out)] () mutable {
auto in = make_file_input_stream(f.get0());
copy(in, out).get();
out.flush().get();
out.close().get();
in.close().get();
});
});
}
http::reply rep = conn.make_request(std::move(req)).get0();
fmt::print("Reply status {}\n--------8<--------\n", rep._status);
auto in = conn.in(rep);
in.consume(printer{}).get();
in.close().get();
conn.close().get();
}).handle_exception([](auto ep) {
fmt::print("Error: {}", ep);
});
});
}
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