Add initial webserver sources

2022-06-30 01:35:02 +02:00
parent 2721be2d22
commit 7b93dfa6cf
26 changed files with 1018 additions and 0 deletions
@@ -0,0 +1,65 @@
+#include "rootresponsehandler.h"
+
+// esp-idf includes
+#include <asio.hpp>
+#include <esp_log.h>
+
+// 3rdparty lib includes
+#include <fmt/core.h>
+#include <asio_webserver/clientconnection.h>
+
+namespace {
+constexpr const char * const TAG = "ASIO_WEBSERVER";
+} // namespace
+
+RootResponseHandler::RootResponseHandler(ClientConnection &clientConnection) :
+    m_clientConnection{clientConnection}
+{
+    ESP_LOGI(TAG, "constructed for (%s:%hi)",
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+}
+
+RootResponseHandler::~RootResponseHandler()
+{
+    ESP_LOGI(TAG, "destructed for (%s:%hi)",
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+}
+
+void RootResponseHandler::requestHeaderReceived(std::string_view key, std::string_view value)
+{
+}
+
+void RootResponseHandler::sendResponse()
+{
+    ESP_LOGI(TAG, "sending response for (%s:%hi)",
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+
+    m_response = fmt::format("<html>"
+                                 "<head>"
+                                     "<title>asio test webserver</title>"
+                                 "</head>"
+                                 "<body>"
+                                     "<h1>asio test webserver</h1>"
+                                     "<a href=\"/debug\">Debug</a>"
+                                 "</body>"
+                             "</html>");
+
+    m_response = fmt::format("HTTP/1.1 200 Ok\r\n"
+                             "Connection: close\r\n"
+                             "Content-Type: text/html\r\n"
+                             "Content-Length: {}\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); });
+}
+
+void RootResponseHandler::written(std::error_code ec, std::size_t length)
+{
+    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());
+    m_clientConnection.responseFinished(ec);
+}