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// Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <asiolink/io_error.h>
#include <netconf/netconf_cfg_mgr.h>
#include <netconf/netconf_log.h>
#include <exceptions/exceptions.h>
#include <sstream>
#include <string>
using namespace std;
using namespace isc::process;
using namespace isc::data;
using namespace isc::http;
namespace isc {
namespace netconf {
// *********************** CfgControlSocket *************************
CfgControlSocket::CfgControlSocket(Type type, const string& name,
const Url& url)
: type_(type), name_(name), url_(url) {
}
CfgControlSocket::Type
CfgControlSocket::stringToType(const string& type) {
if (type == "unix") {
return (CfgControlSocket::Type::UNIX);
} else if (type == "http") {
return (CfgControlSocket::Type::HTTP);
} else if (type == "stdout") {
return (CfgControlSocket::Type::STDOUT);
}
isc_throw(BadValue, "Unknown control socket type: " << type);
}
const string
CfgControlSocket::typeToString(CfgControlSocket::Type type) {
switch (type) {
case CfgControlSocket::Type::UNIX:
return ("unix");
case CfgControlSocket::Type::HTTP:
return ("http");
case CfgControlSocket::Type::STDOUT:
return ("stdout");
default:
isc_throw(BadValue, "Unknown control socket type: " << type);
}
}
ElementPtr
CfgControlSocket::toElement() const {
ElementPtr result = Element::createMap();
// Set user-context
contextToElement(result);
// Set type
result->set("socket-type", Element::create(typeToString(type_)));
// Set name
result->set("socket-name", Element::create(name_));
// Set url
result->set("socket-url", Element::create(url_.toText()));
return (result);
}
// *********************** CfgServer *************************
CfgServer::CfgServer(const string& model, CfgControlSocketPtr ctrl_sock)
: model_(model), boot_update_(true), subscribe_changes_(true),
subscribe_notifications_(true), validate_changes_(true),
control_socket_(ctrl_sock) {
}
string
CfgServer::toText() const {
ostringstream s;
s << "model: " << model_ << ", control socker: ";
if (!control_socket_) {
s << "none";
} else {
switch (control_socket_->getType()) {
case CfgControlSocket::Type::UNIX:
s << "UNIX:'" << control_socket_->getName() << "'";
break;
case CfgControlSocket::Type::HTTP:
s << "HTTP:'" << control_socket_->getUrl().toText() << "'";
break;
case CfgControlSocket::Type::STDOUT:
s << "STDOUT";
break;
}
}
return (s.str());
}
ElementPtr
CfgServer::toElement() const {
ElementPtr result = Element::createMap();
// Set user-context
contextToElement(result);
// Set model
result->set("model", Element::create(model_));
// Set boot-update
result->set("boot-update", Element::create(boot_update_));
// Set subscribe-changes
result->set("subscribe-changes", Element::create(subscribe_changes_));
// Set validate-changes
result->set("validate-changes", Element::create(validate_changes_));
// Set control-socket
if (control_socket_) {
result->set("control-socket", control_socket_->toElement());
}
return (result);
}
ostream&
operator<<(ostream& os, const CfgServer& server) {
os << server.toText();
return (os);
}
// *************************** PARSERS ***********************************
// *********************** ControlSocketConfigParser *************************
CfgControlSocketPtr
ControlSocketConfigParser::parse(ConstElementPtr ctrl_sock_config) {
CfgControlSocketPtr result;
string type_str = getString(ctrl_sock_config, "socket-type");
string name = getString(ctrl_sock_config, "socket-name");
string url_str = getString(ctrl_sock_config, "socket-url");
ConstElementPtr user_context = ctrl_sock_config->get("user-context");
// Type must be valid.
CfgControlSocket::Type type;
try {
type = CfgControlSocket::stringToType(type_str);
} catch (exception const& ex) {
isc_throw(ConfigError, ex.what() << " '" << type_str << "' ("
<< getPosition("socket-type", ctrl_sock_config) << ")");
}
// Url must be valid.
Url url(url_str);
if (!url.isValid()) {
isc_throw(ConfigError, "invalid control socket url: "
<< url.getErrorMessage() << " '" << url_str << "' ("
<< getPosition("socket-url", ctrl_sock_config) << ")");
}
// Create the control socket.
try {
result.reset(new CfgControlSocket(type, name, url));
} catch (exception const& ex) {
isc_throw(ConfigError, ex.what() << " ("
<< ctrl_sock_config->getPosition() << ")");
}
// Add user-context.
if (user_context) {
result->setContext(user_context);
}
return (result);
}
// *********************** ServerConfigParser *************************
CfgServerPtr
ServerConfigParser::parse(ConstElementPtr server_config) {
CfgServerPtr result;
string model = getString(server_config, "model");
ConstElementPtr user_context = server_config->get("user-context");
ConstElementPtr ctrl_sock_config = server_config->get("control-socket");
CfgControlSocketPtr ctrl_sock;
if (ctrl_sock_config) {
ControlSocketConfigParser parser;
ctrl_sock = parser.parse(ctrl_sock_config);
}
try {
result.reset(new CfgServer(model, ctrl_sock));
} catch (exception const& ex) {
isc_throw(ConfigError, ex.what() << " ("
<< server_config->getPosition() << ")");
}
// Add flags.
result->setBootUpdate(getBoolean(server_config, "boot-update"));
result->setSubscribeChanges(getBoolean(server_config, "subscribe-changes"));
result->setValidateChanges(getBoolean(server_config, "validate-changes"));
// Add user-context.
if (user_context) {
result->setContext(user_context);
}
return (result);
}
} // namespace netconf
} // namespace isc
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