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/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* 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.
*/
#include <hicn/transport/http/server_acceptor.h>
#include <hicn/transport/utils/hash.h>
#include <hicn/transport/utils/uri.h>
namespace transport {
namespace http {
HTTPServerAcceptor::HTTPServerAcceptor(std::string &&server_locator,
OnHttpRequest callback)
: HTTPServerAcceptor(server_locator, callback) {}
HTTPServerAcceptor::HTTPServerAcceptor(std::string &server_locator,
OnHttpRequest callback)
: callback_(callback) {
utils::Uri uri;
uri.parseProtocolAndLocator(server_locator);
std::string protocol = uri.getProtocol();
std::string locator = uri.getLocator();
std::transform(locator.begin(), locator.end(), locator.begin(), ::tolower);
std::transform(protocol.begin(), protocol.end(), protocol.begin(), ::tolower);
if (protocol != "http") {
throw errors::RuntimeException(
"Malformed server_locator. The locator format should be in the form "
"http://locator");
}
uint32_t locator_hash =
utils::hash::fnv32_buf(locator.c_str(), locator.size());
std::stringstream stream;
stream << std::hex << http::default_values::ipv6_first_word << ":0000";
for (uint16_t *word = (uint16_t *)&locator_hash;
std::size_t(word) < (std::size_t(&locator_hash) + sizeof(locator_hash));
word++) {
stream << ":" << std::hex << *word;
}
stream << "::0";
std::string network = stream.str();
core::Prefix acceptor_namespace(network, 64);
std::string producer_identity = "acceptor_producer";
acceptor_producer_ = std::make_shared<ProducerSocket>();
acceptor_producer_->registerPrefix(acceptor_namespace);
}
void HTTPServerAcceptor::listen(bool async) {
acceptor_producer_->setSocketOption(
ProducerCallbacksOptions::INTEREST_INPUT,
(ProducerInterestCallback)bind(
&HTTPServerAcceptor::processIncomingInterest, this,
std::placeholders::_1, std::placeholders::_2));
acceptor_producer_->connect();
if (!async) {
acceptor_producer_->serveForever();
}
}
void HTTPServerAcceptor::processIncomingInterest(ProducerSocket &p,
Interest &interest) {
// Temporary solution. With
auto payload = interest.getPayload();
int request_id = utils::hash::fnv32_buf(payload->data(), payload->length());
if (publishers_.find(request_id) != publishers_.end()) {
if (publishers_[request_id]) {
publishers_[request_id]->getProducer().onInterest(interest);
return;
}
}
publishers_[request_id] =
std::make_shared<HTTPServerPublisher>(interest.getName());
callback_(publishers_[request_id], (uint8_t *)payload->data(),
payload->length(), request_id);
}
std::map<int, std::shared_ptr<HTTPServerPublisher>>
&HTTPServerAcceptor::getPublishers() {
return publishers_;
}
} // namespace http
} // namespace transport
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