Enable networking and some other components on host platform (#6114)

esphome/components/host/__init__.py

@@ -6,6 +6,7 @@ from esphome.const import (
     PLATFORM_HOST,
 )
 from esphome.core import CORE
+from esphome.helpers import IS_MACOS
 import esphome.config_validation as cv
 import esphome.codegen as cg
 
@@ -14,7 +15,6 @@ from .const import KEY_HOST
 # force import gpio to register pin schema
 from .gpio import host_pin_to_code  # noqa
 
-
 CODEOWNERS = ["@esphome/core"]
 AUTO_LOAD = ["network"]
 
@@ -35,5 +35,9 @@ CONFIG_SCHEMA = cv.All(
 
 async def to_code(config):
     cg.add_build_flag("-DUSE_HOST")
+    cg.add_build_flag("-std=c++17")
+    cg.add_build_flag("-lsodium")
+    if IS_MACOS:
+        cg.add_build_flag("-L/opt/homebrew/lib")
     cg.add_define("ESPHOME_BOARD", "host")
     cg.add_platformio_option("platform", "platformio/native")

esphome/components/network/ip_address.h

@@ -14,6 +14,13 @@
 #include <IPAddress.h>
 #endif /* USE_ADRDUINO */
 
+#ifdef USE_HOST
+#include <arpa/inet.h>
+using ip_addr_t = in_addr;
+using ip4_addr_t = in_addr;
+#define ipaddr_aton(x, y) inet_aton((x), (y))
+#endif
+
 #if USE_ESP32_FRAMEWORK_ARDUINO
 #define arduino_ns Arduino_h
 #elif USE_LIBRETINY
@@ -32,6 +39,14 @@ namespace network {
 
 struct IPAddress {
  public:
+#ifdef USE_HOST
+  IPAddress() { ip_addr_.s_addr = 0; }
+  IPAddress(uint8_t first, uint8_t second, uint8_t third, uint8_t fourth) {
+    this->ip_addr_.s_addr = htonl((first << 24) | (second << 16) | (third << 8) | fourth);
+  }
+  IPAddress(const std::string &in_address) { inet_aton(in_address.c_str(), &ip_addr_); }
+  IPAddress(const ip_addr_t *other_ip) { ip_addr_ = *other_ip; }
+#else
   IPAddress() { ip_addr_set_zero(&ip_addr_); }
   IPAddress(uint8_t first, uint8_t second, uint8_t third, uint8_t fourth) {
     IP_ADDR4(&ip_addr_, first, second, third, fourth);
@@ -107,6 +122,7 @@ struct IPAddress {
     }
     return *this;
   }
+#endif
 
  protected:
   ip_addr_t ip_addr_;

esphome/components/socket/bsd_sockets_impl.cpp

@@ -87,7 +87,7 @@ class BSDSocketImpl : public Socket {
   int listen(int backlog) override { return ::listen(fd_, backlog); }
   ssize_t read(void *buf, size_t len) override { return ::read(fd_, buf, len); }
   ssize_t recvfrom(void *buf, size_t len, sockaddr *addr, socklen_t *addr_len) override {
-#if defined(USE_ESP32)
+#if defined(USE_ESP32) || defined(USE_HOST)
     return ::recvfrom(this->fd_, buf, len, 0, addr, addr_len);
 #else
     return ::lwip_recvfrom(this->fd_, buf, len, 0, addr, addr_len);

esphome/core/component.cpp

@@ -169,7 +169,7 @@ float Component::get_actual_setup_priority() const {
 void Component::set_setup_priority(float priority) { this->setup_priority_override_ = priority; }
 
 bool Component::has_overridden_loop() const {
-#ifdef CLANG_TIDY
+#if defined(USE_HOST) || defined(CLANG_TIDY)
   bool loop_overridden = true;
   bool call_loop_overridden = true;
 #else

esphome/helpers.py

@@ -3,6 +3,7 @@ from contextlib import suppress
 
 import logging
 import os
+import platform
 from pathlib import Path
 from typing import Union
 import tempfile
@@ -11,6 +12,10 @@ import re
 
 _LOGGER = logging.getLogger(__name__)
 
+IS_MACOS = platform.system() == "Darwin"
+IS_WINDOWS = platform.system() == "Windows"
+IS_LINUX = platform.system() == "Linux"
+
 
 def ensure_unique_string(preferred_string, current_strings):
     test_string = preferred_string

platformio.ini

@@ -388,3 +388,4 @@ lib_deps =
 build_flags =
     ${common.build_flags}
     -DUSE_HOST
+    -std=c++17