lib/cpp-httplib
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Update docker/main.cc

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This commit is contained in:
yhirose
2025-08-07 20:57:37 -04:00
parent 7012e765e1
commit a2bb6f6c1e
1 changed files with 130 additions and 41 deletions
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171
docker/main.cc
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@@ -18,14 +18,14 @@
using namespace httplib;
auto SERVER_NAME = std::format("cpp-httplib-server/{}", CPPHTTPLIB_VERSION);
const auto SERVER_NAME =
std::format("cpp-httplib-server/{}", CPPHTTPLIB_VERSION);
Server svr;
void signal_handler(int signal) {
if (signal == SIGINT || signal == SIGTERM) {
std::cout << std::format("\nReceived signal, shutting down gracefully...")
<< std::endl;
std::cout << "\nReceived signal, shutting down gracefully...\n";
svr.stop();
}
}
@@ -73,17 +73,16 @@ std::string get_client_ip(const Request &req) {
// $remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent
// "$http_referer" "$http_user_agent"
void nginx_access_logger(const Request &req, const Response &res) {
std::string remote_addr = get_client_ip(req);
auto remote_addr = get_client_ip(req);
std::string remote_user =
"-"; // cpp-httplib doesn't have built-in auth user tracking
std::string time_local = get_time_format();
std::string request =
std::format("{} {} {}", req.method, req.path, req.version);
int status = res.status;
size_t body_bytes_sent = res.body.size();
std::string http_referer = req.get_header_value("Referer");
auto time_local = get_time_format();
auto request = std::format("{} {} {}", req.method, req.path, req.version);
auto status = res.status;
auto body_bytes_sent = res.body.size();
auto http_referer = req.get_header_value("Referer");
if (http_referer.empty()) http_referer = "-";
std::string http_user_agent = req.get_header_value("User-Agent");
auto http_user_agent = req.get_header_value("User-Agent");
if (http_user_agent.empty()) http_user_agent = "-";
std::cout << std::format("{} - {} [{}] \"{}\" {} {} \"{}\" \"{}\"",
@@ -97,14 +96,14 @@ void nginx_access_logger(const Request &req, const Response &res) {
// YYYY/MM/DD HH:MM:SS [level] message, client: client_ip, request: "request",
// host: "host"
void nginx_error_logger(const Error &err, const Request *req) {
std::string time_local = get_error_time_format();
auto time_local = get_error_time_format();
std::string level = "error";
if (req) {
std::string client_ip = get_client_ip(*req);
std::string request =
auto client_ip = get_client_ip(*req);
auto request =
std::format("{} {} {}", req->method, req->path, req->version);
std::string host = req->get_header_value("Host");
auto host = req->get_header_value("Host");
if (host.empty()) host = "-";
std::cerr << std::format("{} [{}] {}, client: {}, request: "
@@ -120,38 +119,113 @@ void nginx_error_logger(const Error &err, const Request *req) {
}
void print_usage(const char *program_name) {
std::cout << std::format("Usage: {} <hostname> <port> <mount_point> "
"<document_root_directory>",
program_name)
std::cout << "Usage: " << program_name << " [OPTIONS]" << std::endl;
std::cout << std::endl;
std::cout << "Options:" << std::endl;
std::cout << " --host <hostname> Server hostname (default: localhost)"
<< std::endl;
std::cout << std::format("Example: {} localhost 8080 /var/www/html .",
program_name)
std::cout << " --port <port> Server port (default: 8080)"
<< std::endl;
std::cout << " --mount <mount:path> Mount point and document root"
<< std::endl;
std::cout << " Format: mount_point:document_root"
<< std::endl;
std::cout << " (default: /:./html)" << std::endl;
std::cout << " --version Show version information"
<< std::endl;
std::cout << " --help Show this help message" << std::endl;
std::cout << std::endl;
std::cout << "Examples:" << std::endl;
std::cout << " " << program_name
<< " --host localhost --port 8080 --mount /:./html" << std::endl;
std::cout << " " << program_name
<< " --host 0.0.0.0 --port 3000 --mount /api:./api" << std::endl;
}
int main(int argc, char *argv[]) {
if (argc != 5) {
print_usage(argv[0]);
return 1;
struct ServerConfig {
std::string hostname = "localhost";
int port = 8080;
std::string mount_point = "/";
std::string document_root = "./html";
};
enum class ParseResult { SUCCESS, HELP_REQUESTED, VERSION_REQUESTED, ERROR };
ParseResult parse_command_line(int argc, char *argv[], ServerConfig &config) {
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) {
print_usage(argv[0]);
return ParseResult::HELP_REQUESTED;
} else if (strcmp(argv[i], "--host") == 0) {
if (i + 1 >= argc) {
std::cerr << "Error: --host requires a hostname argument" << std::endl;
print_usage(argv[0]);
return ParseResult::ERROR;
}
config.hostname = argv[++i];
} else if (strcmp(argv[i], "--port") == 0) {
if (i + 1 >= argc) {
std::cerr << "Error: --port requires a port number argument"
<< std::endl;
print_usage(argv[0]);
return ParseResult::ERROR;
}
config.port = std::atoi(argv[++i]);
if (config.port <= 0 || config.port > 65535) {
std::cerr << "Error: Invalid port number. Must be between 1 and 65535"
<< std::endl;
return ParseResult::ERROR;
}
} else if (strcmp(argv[i], "--mount") == 0) {
if (i + 1 >= argc) {
std::cerr
<< "Error: --mount requires mount_point:document_root argument"
<< std::endl;
print_usage(argv[0]);
return ParseResult::ERROR;
}
std::string mount_arg = argv[++i];
auto colon_pos = mount_arg.find(':');
if (colon_pos == std::string::npos) {
std::cerr << "Error: --mount argument must be in format "
"mount_point:document_root"
<< std::endl;
print_usage(argv[0]);
return ParseResult::ERROR;
}
config.mount_point = mount_arg.substr(0, colon_pos);
config.document_root = mount_arg.substr(colon_pos + 1);
if (config.mount_point.empty() || config.document_root.empty()) {
std::cerr
<< "Error: Both mount_point and document_root must be non-empty"
<< std::endl;
return ParseResult::ERROR;
}
} else if (strcmp(argv[i], "--version") == 0) {
std::cout << CPPHTTPLIB_VERSION << std::endl;
return ParseResult::VERSION_REQUESTED;
} else {
std::cerr << "Error: Unknown option '" << argv[i] << "'" << std::endl;
print_usage(argv[0]);
return ParseResult::ERROR;
}
}
return ParseResult::SUCCESS;
}
std::string hostname = argv[1];
auto port = std::atoi(argv[2]);
std::string mount_point = argv[3];
std::string document_root = argv[4];
bool setup_server(Server &svr, const ServerConfig &config) {
svr.set_logger(nginx_access_logger);
svr.set_error_logger(nginx_error_logger);
auto ret = svr.set_mount_point(mount_point, document_root);
auto ret = svr.set_mount_point(config.mount_point, config.document_root);
if (!ret) {
std::cerr
<< std::format(
"Error: Cannot mount '{}' to '{}'. Directory may not exist.",
mount_point, document_root)
config.mount_point, config.document_root)
<< std::endl;
return 1;
return false;
}
svr.set_file_extension_and_mimetype_mapping("html", "text/html");
@@ -191,16 +265,31 @@ int main(int argc, char *argv[]) {
signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
std::cout << std::format("Serving HTTP on {}:{}", hostname, port)
<< std::endl;
std::cout << std::format("Mount point: {} -> {}", mount_point, document_root)
<< std::endl;
std::cout << std::format("Press Ctrl+C to shutdown gracefully...")
<< std::endl;
return true;
}
ret = svr.listen(hostname, port);
int main(int argc, char *argv[]) {
ServerConfig config;
std::cout << std::format("Server has been shut down.") << std::endl;
auto result = parse_command_line(argc, argv, config);
switch (result) {
case ParseResult::HELP_REQUESTED:
case ParseResult::VERSION_REQUESTED: return 0;
case ParseResult::ERROR: return 1;
case ParseResult::SUCCESS: break;
}
if (!setup_server(svr, config)) { return 1; }
std::cout << "Serving HTTP on " << config.hostname << ":" << config.port
<< std::endl;
std::cout << "Mount point: " << config.mount_point << " -> "
<< config.document_root << std::endl;
std::cout << "Press Ctrl+C to shutdown gracefully..." << std::endl;
auto ret = svr.listen(config.hostname, config.port);
std::cout << "Server has been shut down." << std::endl;
return ret ? 0 : 1;
}