Files
asio_web/test/webserver_example/chunkedresponsehandler.cpp

106 lines
3.9 KiB
C++

#include "chunkedresponsehandler.h"
// esp-idf includes
#include <asio.hpp>
#include <esp_log.h>
// 3rdparty lib includes
#include <fmt/core.h>
#include <asio_web/clientconnection.h>
#include <asio_web/webserver.h>
namespace {
constexpr const char * const TAG = "ASIO_WEBSERVER";
} // namespace
ChunkedResponseHandler::ChunkedResponseHandler(ClientConnection &clientConnection) :
m_clientConnection{clientConnection}
{
// ESP_LOGV(TAG, "constructed for (%s:%hi)",
// m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
}
ChunkedResponseHandler::~ChunkedResponseHandler()
{
// ESP_LOGV(TAG, "destructed for (%s:%hi)",
// m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
}
void ChunkedResponseHandler::requestHeaderReceived(std::string_view key, std::string_view value)
{
}
void ChunkedResponseHandler::requestBodyReceived(std::string_view body)
{
}
void ChunkedResponseHandler::sendResponse()
{
ESP_LOGI(TAG, "sending response (header) for (%s:%hi)",
m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
m_response = fmt::format("HTTP/1.1 200 Ok\r\n"
"Connection: {}\r\n"
"Content-Type: text/html\r\n"
"Transfer-Encoding: chunked\r\n"
"\r\n",
m_clientConnection.webserver().connectionKeepAlive() ? "keep-alive" : "close");
asio::async_write(m_clientConnection.socket(),
asio::buffer(m_response.data(), m_response.size()),
[this, self=m_clientConnection.shared_from_this()](std::error_code ec, std::size_t length)
{ written(ec, length); });
}
void ChunkedResponseHandler::written(std::error_code ec, std::size_t length)
{
if (ec)
{
ESP_LOGW(TAG, "error: %i (%s:%hi)", ec.value(),
m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
m_clientConnection.responseFinished(ec);
return;
}
ESP_LOGI(TAG, "expected=%zd actual=%zd for (%s:%hi)", m_response.size(), length,
m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
if (m_counter < 10)
{
ESP_LOGI(TAG, "sending response (line %i) for (%s:%hi)", m_counter,
m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
m_response = fmt::format("Line number {}<br/>\n", m_counter);
m_response = fmt::format("{:x}\r\n"
"{}\r\n",
m_response.size(), m_response);
asio::async_write(m_clientConnection.socket(),
asio::buffer(m_response.data(), m_response.size()),
[this, self=m_clientConnection.shared_from_this()](std::error_code ec, std::size_t length)
{ written(ec, length); });
m_counter++;
}
else if (m_counter == 10)
{
ESP_LOGI(TAG, "sending response (end) for (%s:%hi)",
m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
m_response = fmt::format("0\r\n"
"\r\n");
asio::async_write(m_clientConnection.socket(),
asio::buffer(m_response.data(), m_response.size()),
[this, self=m_clientConnection.shared_from_this()](std::error_code ec, std::size_t length)
{ written(ec, length); });
m_counter++;
}
else
{
ESP_LOGI(TAG, "end");
m_clientConnection.responseFinished(ec);
}
}