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ESPAsyncWebserver
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| #include "WiFi.h" | |
| #include "ESPAsyncWebServer.h" | |
| const char* ssid = "Xuong May Gia Si";//"yourNetworkName"; | |
| const char* password = "123456789";// "yourNetworkPassword"; | |
| AsyncWebServer server(80); | |
| AsyncWebSocket ws("/ws"); | |
| void onWsEvent(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len){ | |
| if(type == WS_EVT_CONNECT){ | |
| Serial.printf("ws[%s][%u] connect\n", server->url(), client->id()); | |
| client->printf("Hello Client %u :)", client->id()); | |
| client->ping(); | |
| } else if(type == WS_EVT_DISCONNECT){ | |
| Serial.printf("ws[%s][%u] disconnect\n", server->url(), client->id()); | |
| } else if(type == WS_EVT_ERROR){ | |
| Serial.printf("ws[%s][%u] error(%u): %s\n", server->url(), client->id(), *((uint16_t*)arg), (char*)data); | |
| } else if(type == WS_EVT_PONG){ | |
| Serial.printf("ws[%s][%u] pong[%u]: %s\n", server->url(), client->id(), len, (len)?(char*)data:""); | |
| } else if(type == WS_EVT_DATA){ | |
| AwsFrameInfo * info = (AwsFrameInfo*)arg; | |
| String msg = ""; | |
| if(info->final && info->index == 0 && info->len == len){ | |
| //the whole message is in a single frame and we got all of it's data | |
| Serial.printf("ws[%s][%u] %s-message[%llu]: ", server->url(), client->id(), (info->opcode == WS_TEXT)?"text":"binary", info->len); | |
| if(info->opcode == WS_TEXT){ | |
| for(size_t i=0; i < info->len; i++) { | |
| msg += (char) data[i]; | |
| } | |
| } else { | |
| char buff[3]; | |
| for(size_t i=0; i < info->len; i++) { | |
| sprintf(buff, "%02x ", (uint8_t) data[i]); | |
| msg += buff ; | |
| } | |
| } | |
| Serial.printf("%s\n",msg.c_str()); | |
| if(info->opcode == WS_TEXT) | |
| client->text("I got your text message"); | |
| else | |
| client->binary("I got your binary message"); | |
| } else { | |
| //message is comprised of multiple frames or the frame is split into multiple packets | |
| if(info->index == 0){ | |
| if(info->num == 0) | |
| Serial.printf("ws[%s][%u] %s-message start\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary"); | |
| Serial.printf("ws[%s][%u] frame[%u] start[%llu]\n", server->url(), client->id(), info->num, info->len); | |
| } | |
| Serial.printf("ws[%s][%u] frame[%u] %s[%llu - %llu]: ", server->url(), client->id(), info->num, (info->message_opcode == WS_TEXT)?"text":"binary", info->index, info->index + len); | |
| if(info->opcode == WS_TEXT){ | |
| for(size_t i=0; i < len; i++) { | |
| msg += (char) data[i]; | |
| } | |
| } else { | |
| char buff[3]; | |
| for(size_t i=0; i < len; i++) { | |
| sprintf(buff, "%02x ", (uint8_t) data[i]); | |
| msg += buff ; | |
| } | |
| } | |
| Serial.printf("%s\n",msg.c_str()); | |
| if((info->index + len) == info->len){ | |
| Serial.printf("ws[%s][%u] frame[%u] end[%llu]\n", server->url(), client->id(), info->num, info->len); | |
| if(info->final){ | |
| Serial.printf("ws[%s][%u] %s-message end\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary"); | |
| if(info->message_opcode == WS_TEXT) | |
| client->text("I got your text message"); | |
| else | |
| client->binary("I got your binary message"); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| void setup() { | |
| Serial.begin(115200); | |
| WiFi.begin(ssid, password); | |
| while (WiFi.status() != WL_CONNECTED) { | |
| delay(1000); | |
| Serial.println("Connecting to WiFi.."); | |
| } | |
| Serial.println(WiFi.localIP()); | |
| ws.onEvent(onWsEvent); | |
| server.addHandler(&ws); | |
| server.begin(); | |
| } | |
| void loop() { | |
| ws.cleanupClients(); | |
| } |
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