feat(websocket): support per-message compression (RFC7692)

Author: huming2207

components/esp_websocket_client/CMakeLists.txt

@@ -8,14 +8,20 @@ if(NOT CONFIG_WS_TRANSPORT AND NOT CMAKE_BUILD_EARLY_EXPANSION)
     return()
 endif()
 
+set(PRIV_INCLUDE_LIST esp_timer)
+
+if(CONFIG_ESP_WS_CLIENT_ENABLE_COMPRESSION AND NOT CMAKE_BUILD_EARLY_EXPANSION)
+    set(PRIV_INCLUDE_LIST ${PRIV_INCLUDE_LIST} zlib)
+endif ()
+
 if(${IDF_TARGET} STREQUAL "linux")
 	idf_component_register(SRCS "esp_websocket_client.c"
                     INCLUDE_DIRS "include"
                     REQUIRES esp-tls tcp_transport http_parser esp_event nvs_flash esp_stubs json
-                    PRIV_REQUIRES esp_timer)
+                    PRIV_REQUIRES ${PRIV_INCLUDE_LIST})
 else()
     idf_component_register(SRCS "esp_websocket_client.c"
                     INCLUDE_DIRS "include"
                     REQUIRES lwip esp-tls tcp_transport http_parser esp_event
-                    PRIV_REQUIRES esp_timer)
+                    PRIV_REQUIRES ${PRIV_INCLUDE_LIST})
 endif()

components/esp_websocket_client/Kconfig

@@ -20,4 +20,11 @@ menu "ESP WebSocket client"
         default 2000
         help
             Timeout for acquiring the TX lock when using separate TX lock.
+
+    config ESP_WS_CLIENT_ENABLE_COMPRESSION
+        bool "Enable per-message compression support (RFC7692)"
+        default n
+        help
+            Enable this option will build with zlib, and support RFC7692 per-message DEFLATE compression.
+
 endmenu