cpp-httplib/example/server_and_client.cc
2024-09-07 11:11:57 -04:00

90 lines
2 KiB
C++

//
// server_and_client.cc
//
// Copyright (c) 2024 Yuji Hirose. All rights reserved.
// MIT License
//
#include <httplib.h>
#include <iostream>
#include <string>
using namespace httplib;
std::string dump_headers(const Headers &headers) {
std::string s;
char buf[BUFSIZ];
for (auto it = headers.begin(); it != headers.end(); ++it) {
const auto &x = *it;
snprintf(buf, sizeof(buf), "%s: %s\n", x.first.c_str(), x.second.c_str());
s += buf;
}
return s;
}
void logger(const Request &req, const Response &res) {
std::string s;
char buf[BUFSIZ];
s += "================================\n";
snprintf(buf, sizeof(buf), "%s %s %s", req.method.c_str(),
req.version.c_str(), req.path.c_str());
s += buf;
std::string query;
for (auto it = req.params.begin(); it != req.params.end(); ++it) {
const auto &x = *it;
snprintf(buf, sizeof(buf), "%c%s=%s",
(it == req.params.begin()) ? '?' : '&', x.first.c_str(),
x.second.c_str());
query += buf;
}
snprintf(buf, sizeof(buf), "%s\n", query.c_str());
s += buf;
s += dump_headers(req.headers);
s += "--------------------------------\n";
snprintf(buf, sizeof(buf), "%d %s\n", res.status, res.version.c_str());
s += buf;
s += dump_headers(res.headers);
s += "\n";
if (!res.body.empty()) { s += res.body; }
s += "\n";
std::cout << s;
}
int main(void) {
// Server
Server svr;
svr.set_logger(logger);
svr.Post("/post", [&](const Request & /*req*/, Response &res) {
res.set_content("POST", "text/plain");
});
auto th = std::thread([&]() { svr.listen("localhost", 8080); });
auto se = detail::scope_exit([&] {
svr.stop();
th.join();
});
svr.wait_until_ready();
// Client
Client cli{"localhost", 8080};
std::string body = R"({"hello": "world"})";
auto res = cli.Post("/post", body, "application/json");
std::cout << "--------------------------------" << std::endl;
std::cout << to_string(res.error()) << std::endl;
}