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 +1,114 @@
+#include "debugresponsehandler.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
+
+DebugResponseHandler::DebugResponseHandler(ClientConnection &clientConnection, std::string_view method, std::string_view path, std::string_view protocol) :
+    m_clientConnection{clientConnection}, m_method{method}, m_path{path}, m_protocol{protocol}
+{
+    ESP_LOGI(TAG, "constructed for %.*s %.*s (%s:%hi)", m_method.size(), m_method.data(), path.size(), path.data(),
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+}
+
+DebugResponseHandler::~DebugResponseHandler()
+{
+    ESP_LOGI(TAG, "destructed for %.*s %.*s (%s:%hi)", m_method.size(), m_method.data(), m_path.size(), m_path.data(),
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+}
+
+void DebugResponseHandler::requestHeaderReceived(std::string_view key, std::string_view value)
+{
+    m_requestHeaders.emplace_back(std::make_pair(std::string{key}, std::string{value}));
+}
+
+void DebugResponseHandler::sendResponse()
+{
+    ESP_LOGI(TAG, "sending response for %.*s %.*s (%s:%hi)", m_method.size(), m_method.data(), m_path.size(), m_path.data(),
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+
+    m_response = fmt::format("<html>"
+                                 "<head>"
+                                     "<title>Test</title>"
+                                 "</head>"
+                                 "<body>"
+                                     "<h1>Request details:</h1>"
+                                     "<table>"
+                                         "<tbody>"
+                                             "<tr><th>Method:</th><td>{}</td></tr>"
+                                             "<tr><th>Path:</th><td>{}</td></tr>"
+                                             "<tr><th>Protocol:</th><td>{}</td></tr>"
+                                             "<tr>"
+                                                 "<th>Request headers:</th>"
+                                                 "<td>"
+                                                     "<table border=\"1\">",
+        m_method, m_path, m_protocol);
+
+    for (const auto &pair : m_requestHeaders)
+        m_response += fmt::format(                       "<tr><th>{}</th><td>{}</td></tr>",
+            pair.first, pair.second);
+
+    m_response += fmt::format(                       "</table>"
+                                                 "</td>"
+                                             "</tr>"
+                                         "</tbody>"
+                                     "</table>"
+                                     "<form method=\"GET\">"
+                                         "<fieldset>"
+                                             "<legend>GET form with line edit</legend>"
+                                             "<label>Text-Input: <input type=\"text\" name=\"inputName\" /></label>"
+                                             "<button type=\"submit\">Go</button>"
+                                         "</fieldset>"
+                                     "</form>"
+                                     "<form method=\"POST\">"
+                                         "<fieldset>"
+                                             "<legend>POST form with line edit</legend>"
+                                             "<label>Text-Input: <input type=\"text\" name=\"inputName\" /></label>"
+                                             "<button type=\"submit\">Go</button>"
+                                         "</fieldset>"
+                                     "</form>"
+                                     "<form method=\"POST\">"
+                                         "<fieldset>"
+                                             "<legend>POST form with multiline edit</legend>"
+                                             "<label>Text-Input: <textarea name=\"inputName\"></textarea></label>"
+                                             "<button type=\"submit\">Go</button>"
+                                         "</fieldset>"
+                                     "</form>"
+                                     "<form method=\"POST\" enctype=\"multipart/form-data\">"
+                                         "<fieldset>"
+                                             "<legend>POST form with multipart form-data and line edit</legend>"
+                                             "<label>Text-Input: <input type=\"text\" name=\"inputName\" /></label>"
+                                             "<button type=\"submit\">Go</button>"
+                                         "</fieldset>"
+                                     "</form>"
+                                 "</body>"
+                             "</html>");
+
+    m_response = fmt::format("HTTP/1.1 200 Ok\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 DebugResponseHandler::written(std::error_code ec, std::size_t length)
+{
+    ESP_LOGI(TAG, "expected=%zd actual=%zd for %.*s %.*s (%s:%hi)", m_response.size(), length,
+             m_method.size(), m_method.data(), m_path.size(), m_path.data(),
+             m_clientConnection.remote_endpoint().address().to_string().c_str(), m_clientConnection.remote_endpoint().port());
+    m_clientConnection.responseFinished(ec);
+}