Migrate e131 to use socket instead of WiFiUDP arduino library (#4832)

esphome/components/e131/__init__.py

@@ -4,6 +4,7 @@
 from esphome.components.light.effects import register_addressable_effect
 from esphome.const import CONF_ID, CONF_NAME, CONF_METHOD, CONF_CHANNELS
 
+AUTO_LOAD = ["socket"]
 DEPENDENCIES = ["network"]
 
 e131_ns = cg.esphome_ns.namespace("e131")
@@ -23,16 +24,11 @@
 CONF_UNIVERSE = "universe"
 CONF_E131_ID = "e131_id"
 
-CONFIG_SCHEMA = cv.All(
-    cv.Schema(
-        {
-            cv.GenerateID(): cv.declare_id(E131Component),
-            cv.Optional(CONF_METHOD, default="MULTICAST"): cv.one_of(
-                *METHODS, upper=True
-            ),
-        }
-    ),
-    cv.only_with_arduino,
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(E131Component),
+        cv.Optional(CONF_METHOD, default="MULTICAST"): cv.one_of(*METHODS, upper=True),
+    }
 )
 
 

esphome/components/e131/e131.cpp

@@ -1,18 +1,7 @@
-#ifdef USE_ARDUINO
-
 #include "e131.h"
 #include "e131_addressable_light_effect.h"
 #include "esphome/core/log.h"
 
-#ifdef USE_ESP32
-#include <WiFi.h>
-#endif
-
-#ifdef USE_ESP8266
-#include <ESP8266WiFi.h>
-#include <WiFiUdp.h>
-#endif
-
 namespace esphome {
 namespace e131 {
 
@@ -22,17 +11,41 @@ static const int PORT = 5568;
 E131Component::E131Component() {}
 
 E131Component::~E131Component() {
-  if (udp_) {
-    udp_->stop();
+  if (this->socket_) {
+    this->socket_->close();
   }
 }
 
 void E131Component::setup() {
-  udp_ = make_unique<WiFiUDP>();
+  this->socket_ = socket::socket_ip(SOCK_DGRAM, IPPROTO_IP);
 
-  if (!udp_->begin(PORT)) {
-    ESP_LOGE(TAG, "Cannot bind E131 to %d.", PORT);
-    mark_failed();
+  int enable = 1;
+  int err = this->socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
+  if (err != 0) {
+    ESP_LOGW(TAG, "Socket unable to set reuseaddr: errno %d", err);
+    // we can still continue
+  }
+  err = this->socket_->setblocking(false);
+  if (err != 0) {
+    ESP_LOGW(TAG, "Socket unable to set nonblocking mode: errno %d", err);
+    this->mark_failed();
+    return;
+  }
+
+  struct sockaddr_storage server;
+
+  socklen_t sl = socket::set_sockaddr_any((struct sockaddr *) &server, sizeof(server), PORT);
+  if (sl == 0) {
+    ESP_LOGW(TAG, "Socket unable to set sockaddr: errno %d", errno);
+    this->mark_failed();
+    return;
+  }
+  server.ss_family = AF_INET;
+
+  err = this->socket_->bind((struct sockaddr *) &server, sizeof(server));
+  if (err != 0) {
+    ESP_LOGW(TAG, "Socket unable to bind: errno %d", errno);
+    this->mark_failed();
     return;
   }
 
@@ -43,22 +56,22 @@ void E131Component::loop() {
   std::vector<uint8_t> payload;
   E131Packet packet;
   int universe = 0;
+  uint8_t buf[1460];
 
-  while (uint16_t packet_size = udp_->parsePacket()) {
-    payload.resize(packet_size);
-
-    if (!udp_->read(&payload[0], payload.size())) {
-      continue;
-    }
+  ssize_t len = this->socket_->read(buf, sizeof(buf));
+  if (len == -1) {
+    return;
+  }
+  payload.resize(len);
+  memmove(&payload[0], buf, len);
 
-    if (!packet_(payload, universe, packet)) {
-      ESP_LOGV(TAG, "Invalid packet received of size %zu.", payload.size());
-      continue;
-    }
+  if (!this->packet_(payload, universe, packet)) {
+    ESP_LOGV(TAG, "Invalid packet received of size %zu.", payload.size());
+    return;
+  }
 
-    if (!process_(universe, packet)) {
-      ESP_LOGV(TAG, "Ignored packet for %d universe of size %d.", universe, packet.count);
-    }
+  if (!this->process_(universe, packet)) {
+    ESP_LOGV(TAG, "Ignored packet for %d universe of size %d.", universe, packet.count);
   }
 }
 
@@ -106,5 +119,3 @@ bool E131Component::process_(int universe, const E131Packet &packet) {
 
 }  // namespace e131
 }  // namespace esphome
-
-#endif  // USE_ARDUINO

esphome/components/e131/e131.h

@@ -1,16 +1,13 @@
 #pragma once
 
-#ifdef USE_ARDUINO
-
+#include "esphome/components/socket/socket.h"
 #include "esphome/core/component.h"
 
 #include <map>
 #include <memory>
 #include <set>
 #include <vector>
 
-class UDP;
-
 namespace esphome {
 namespace e131 {
 
@@ -47,13 +44,11 @@ class E131Component : public esphome::Component {
   void leave_(int universe);
 
   E131ListenMethod listen_method_{E131_MULTICAST};
-  std::unique_ptr<UDP> udp_;
+  std::unique_ptr<socket::Socket> socket_;
   std::set<E131AddressableLightEffect *> light_effects_;
   std::map<int, int> universe_consumers_;
   std::map<int, E131Packet> universe_packets_;
 };
 
 }  // namespace e131
 }  // namespace esphome
-
-#endif  // USE_ARDUINO

esphome/components/e131/e131_addressable_light_effect.cpp

@@ -1,7 +1,5 @@
-#ifdef USE_ARDUINO
-
-#include "e131.h"
 #include "e131_addressable_light_effect.h"
+#include "e131.h"
 #include "esphome/core/log.h"
 
 namespace esphome {
@@ -92,5 +90,3 @@ bool E131AddressableLightEffect::process_(int universe, const E131Packet &packet
 
 }  // namespace e131
 }  // namespace esphome
-
-#endif  // USE_ARDUINO

esphome/components/e131/e131_addressable_light_effect.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#ifdef USE_ARDUINO
-
 #include "esphome/core/component.h"
 #include "esphome/components/light/addressable_light_effect.h"
 
@@ -44,5 +42,3 @@ class E131AddressableLightEffect : public light::AddressableLightEffect {
 
 }  // namespace e131
 }  // namespace esphome
-
-#endif  // USE_ARDUINO

esphome/components/e131/e131_packet.cpp

@@ -1,15 +1,13 @@
-#ifdef USE_ARDUINO
-
+#include <cstring>
 #include "e131.h"
+#include "esphome/components/network/ip_address.h"
 #include "esphome/core/log.h"
 #include "esphome/core/util.h"
-#include "esphome/components/network/ip_address.h"
-#include <cstring>
 
+#include <lwip/igmp.h>
 #include <lwip/init.h>
-#include <lwip/ip_addr.h>
 #include <lwip/ip4_addr.h>
-#include <lwip/igmp.h>
+#include <lwip/ip_addr.h>
 
 namespace esphome {
 namespace e131 {
@@ -62,7 +60,7 @@ const size_t E131_MIN_PACKET_SIZE = reinterpret_cast<size_t>(&((E131RawPacket *)
 bool E131Component::join_igmp_groups_() {
   if (listen_method_ != E131_MULTICAST)
     return false;
-  if (!udp_)
+  if (this->socket_ == nullptr)
     return false;
 
   for (auto universe : universe_consumers_) {
@@ -140,5 +138,3 @@ bool E131Component::packet_(const std::vector<uint8_t> &data, int &universe, E13
 
 }  // namespace e131
 }  // namespace esphome
-
-#endif  // USE_ARDUINO