fix(mosq): Add new ci target for esp-peer

Author: david-cermak

components/mosquitto/examples/serverless_mqtt/CMakeLists.txt

@@ -4,6 +4,9 @@ cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
+# Setup ESP-PEER from GitHub repo (but it's supported only on certain targets)
+set(ESP_PEER_COMPATIBLE_TARGETS "esp32s2" "esp32s3" "esp32p4" "esp32")
+if(IDF_TARGET IN_LIST ESP_PEER_COMPATIBLE_TARGETS)
 execute_process(COMMAND ${CMAKE_BINARY_DIR}/../esp_peer_setup.sh
                 ${CMAKE_BINARY_DIR}
                 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
@@ -12,7 +15,7 @@ execute_process(COMMAND ${CMAKE_BINARY_DIR}/../esp_peer_setup.sh
 if(script_result)
     message(FATAL_ERROR "Script esp_peer_setup.sh failed with exit code ${script_result}")
 endif()
-
 list(APPEND EXTRA_COMPONENT_DIRS "${CMAKE_BINARY_DIR}/esp-peer/components/")
+endif()
 
 project(serverless_mqtt)

components/mosquitto/examples/serverless_mqtt/main/CMakeLists.txt

@@ -1,5 +1,12 @@
+if(CONFIG_EXAMPLE_PEER_LIB_ESP_PEER)
+    set(PEER_BACKEND_SRC "webrtc.c")
+endif()
+
 idf_component_register(SRCS "serverless_mqtt.c"
                             "wifi_connect.c"
-                            "webrtc.c"
+                            "${PEER_BACKEND_SRC}"
                     INCLUDE_DIRS "."
-                    REQUIRES libjuice nvs_flash mqtt json esp_wifi media_lib_sal esp_webrtc peer_default)
+                    REQUIRES libjuice nvs_flash mqtt json esp_wifi)
+if(CONFIG_EXAMPLE_PEER_LIB_ESP_PEER)
+    idf_component_optional_requires(PUBLIC media_lib_sal esp_webrtc peer_default)
+endif()

components/mosquitto/examples/serverless_mqtt/main/Kconfig.projbuild

@@ -82,4 +82,19 @@ menu "Example Configuration"
             bool "peer2"
     endchoice
 
+    choice EXAMPLE_PEER_LIB
+        prompt "Choose peer library"
+        default EXAMPLE_PEER_LIB_LIBJUICE
+        help
+            Choose the peer library to use for WebRTC communication.
+            libjuice: Use libjuice library for ICE/STUN/TURN (Performs manual signalling)
+            esp_peer: Use ESP-IDF specific peer library
+
+        config EXAMPLE_PEER_LIB_ESP_PEER
+            bool "esp_peer"
+
+        config EXAMPLE_PEER_LIB_LIBJUICE
+            bool "libjuice"
+    endchoice
+
 endmenu

components/mosquitto/examples/serverless_mqtt/sdkconfig.ci.default

@@ -0,0 +1,2 @@
+CONFIG_EXAMPLE_PEER_LIB_ESP_PEER=n
+CONFIG_EXAMPLE_PEER_LIB_LIBJUICE=y

components/mosquitto/examples/serverless_mqtt/sdkconfig.ci.esp_peer

@@ -0,0 +1,3 @@
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_EXAMPLE_PEER_LIB_ESP_PEER=y
+CONFIG_EXAMPLE_PEER_LIB_LIBJUICE=n