Fix Arduino Emulator CI to produce an executable with https://github.com/MitchBradley/PosixAsyncTCP (#423)

Author: mathieucarbou

.github/workflows/build-arduino-emulator.yml

@@ -41,12 +41,11 @@ jobs:
 
       - name: Clone AsyncTCP, Arduino FS headers, lwIP and lwIP contrib
         run: |
-          git clone --depth 1 https://github.com/ESP32Async/AsyncTCP .ci/asynctcp
+          git clone --depth 1 https://github.com/MitchBradley/PosixAsyncTCP .ci/asynctcp
           git clone --depth 1 https://github.com/espressif/arduino-esp32.git .ci/arduino-esp32
-          git clone --depth 1 https://github.com/lwip-tcpip/lwip.git .ci/lwip
-          git clone --depth 1 https://git.savannah.nongnu.org/git/lwip/lwip-contrib.git .ci/lwip-contrib
 
       - name: Build with Arduino-Emulator
         run: |
           cmake -S examples/arduino_emulator -B .ci/arduino-emulator-build/out -G Ninja
-          cmake --build .ci/arduino-emulator-build/out --target espasyncwebserver --parallel
+          cmake --build .ci/arduino-emulator-build/out --target espasyncwebserver_host --parallel
+          chmod +x .ci/arduino-emulator-build/out/espasyncwebserver_host

examples/arduino_emulator/CMakeLists.txt

@@ -4,14 +4,26 @@ project(espasyncwebserver_host_compile LANGUAGES C CXX)
 add_subdirectory(${CMAKE_SOURCE_DIR}/../../.ci/arduino-emulator ${CMAKE_BINARY_DIR}/arduino-emulator)
 file(GLOB WEB_SRC "${CMAKE_SOURCE_DIR}/../../src/*.cpp")
 add_library(espasyncwebserver STATIC ${WEB_SRC})
+add_library(test STATIC
+  ${CMAKE_SOURCE_DIR}/../../.ci/asynctcp/src/AsyncTCP.cpp
+  ${CMAKE_SOURCE_DIR}/../../.ci/arduino-esp32/libraries/FS/src/FS.cpp
+  ${CMAKE_SOURCE_DIR}/../../.ci/arduino-emulator/ArduinoCore-Linux/cores/arduino/libb64/cencode.c
+)
 
 target_compile_definitions(espasyncwebserver PUBLIC HOST ARDUINO=10813)
 target_include_directories(espasyncwebserver PUBLIC
   ${CMAKE_SOURCE_DIR}/../../src
   ${CMAKE_SOURCE_DIR}/../../.ci/asynctcp/src
   ${CMAKE_SOURCE_DIR}/../../.ci/arduino-esp32/libraries/FS/src
-  ${CMAKE_SOURCE_DIR}/../../.ci/lwip/src/include
-  ${CMAKE_SOURCE_DIR}/../../.ci/lwip-contrib/ports/unix/port/include
-  ${CMAKE_SOURCE_DIR}/host_config
 )
 target_link_libraries(espasyncwebserver PUBLIC arduino_emulator)
+
+target_compile_definitions(test PUBLIC HOST ARDUINO=10813)
+target_include_directories(test PUBLIC
+  ${CMAKE_SOURCE_DIR}/../../.ci/asynctcp/src
+  ${CMAKE_SOURCE_DIR}/../../.ci/arduino-esp32/libraries/FS/src
+)
+target_link_libraries(test PUBLIC arduino_emulator)
+
+add_executable(espasyncwebserver_host main.cpp)
+target_link_libraries(espasyncwebserver_host PRIVATE espasyncwebserver test)

examples/arduino_emulator/host_config/freertos/semphr.h

@@ -0,0 +1,20 @@
+#include <Arduino.h>
+#include <ESPAsyncWebServer.h>
+
+static AsyncWebServer server(8080);
+
+void setup() {
+  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
+    request->send(200, "text/plain", "ESPAsyncWebServer host app is running on port 8080\n");
+  });
+
+  server.onNotFound([](AsyncWebServerRequest *request) {
+    request->send(404, "text/plain", "Not found\n");
+  });
+
+  server.begin();
+}
+
+void loop() {
+  delay(1000);
+}

examples/arduino_emulator/host_config/lwipopts.h

@@ -5,7 +5,10 @@
 
 #include <Arduino.h>
 #include <FS.h>
+
+#if !defined(HOST) || __has_include(<lwip/tcpbase.h>)
 #include <lwip/tcpbase.h>
+#endif
 
 #include <algorithm>
 #include <deque>