Files
ttgo_smartwatch_prox/src/webserver/webserver.cpp
2020-08-10 12:35:39 +02:00

228 lines
8.1 KiB
C++

/****************************************************************************
* Tu May 22 21:23:51 2020
* Copyright 2020 Dirk Brosswick
* Email: dirk.brosswick@googlemail.com
****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <WiFi.h>
#include <WiFiClient.h>
#include <Update.h>
#include <SPIFFS.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <SPIFFSEditor.h>
#include <ESP32SSDP.h>
#include "webserver.h"
#include "config.h"
#include "gui/screenshot.h"
AsyncWebServer asyncserver( WEBSERVERPORT );
TaskHandle_t _WEBSERVER_Task;
void handleUpdate( AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) {
if (!index){
/*
* if filename includes spiffs, update the spiffs partition
*/
int cmd = (filename.indexOf("spiffs") > 0) ? U_SPIFFS : U_FLASH;
if (!Update.begin(UPDATE_SIZE_UNKNOWN, cmd)) {
Update.printError(Serial);
}
}
/*
* Write Data an type message if fail
*/
if (Update.write(data, len) != len) {
Update.printError(Serial);
}
/*
* After write Update restart
*/
if (final) {
AsyncWebServerResponse *response = request->beginResponse(302, "text/plain", "Please wait while the switch reboots");
response->addHeader("Refresh", "20");
response->addHeader("Location", "/");
request->send(response);
if (!Update.end(true)){
Update.printError(Serial);
} else {
Serial.println("Update complete");
Serial.flush();
ESP.restart();
}
}
}
/*
*
*/
void asyncwebserver_start(void){
asyncserver.on("/info", HTTP_GET, [](AsyncWebServerRequest *request) {
String message("Firmwarestand: " __DATE__ " " __TIME__ "\nGCC-Version: " __VERSION__ "\n");
message = message + "Heap: " + ESP.getFreeHeap() + " bytes used of " + ESP.getHeapSize() + " bytes total\nHeap low water mark: " + ESP.getMinFreeHeap() + " bytes available\nPsram: " + ESP.getFreePsram() + " bytes used of " + ESP.getPsramSize() + " bytes available\nCurrent battery voltage: " + TTGOClass::getWatch()->power->getBattVoltage() / 1000 + " Volts";
request->send(200, "text/plain", message.c_str());
});
asyncserver.on("/shot", HTTP_GET, [](AsyncWebServerRequest * request) {
request->send(200, "text/plain", "screen is taken\r\n" );
screenshot_take();
screenshot_save();
});
asyncserver.addHandler(new SPIFFSEditor(SPIFFS));
asyncserver.serveStatic("/", SPIFFS, "/").setDefaultFile("index.htm");
asyncserver.onNotFound([](AsyncWebServerRequest *request){
Serial.printf( "NOT_FOUND: ");
if(request->method() == HTTP_GET)
Serial.printf( "GET");
else if(request->method() == HTTP_POST)
Serial.printf( "POST");
else if(request->method() == HTTP_DELETE)
Serial.printf( "DELETE");
else if(request->method() == HTTP_PUT)
Serial.printf( "PUT");
else if(request->method() == HTTP_PATCH)
Serial.printf( "PATCH");
else if(request->method() == HTTP_HEAD)
Serial.printf( "HEAD");
else if(request->method() == HTTP_OPTIONS)
Serial.printf( "OPTIONS");
else
Serial.printf( "UNKNOWN");
Serial.printf( " http://%s%s\n", request->host().c_str(), request->url().c_str());
if(request->contentLength()){
Serial.printf( "_CONTENT_TYPE: %s\n", request->contentType().c_str());
Serial.printf( "_CONTENT_LENGTH: %u\n", request->contentLength());
}
int headers = request->headers();
int i;
for(i=0;i<headers;i++){
AsyncWebHeader* h = request->getHeader(i);
Serial.printf( "_HEADER[%s]: %s\n", h->name().c_str(), h->value().c_str());
}
int params = request->params();
for(i=0;i<params;i++){
AsyncWebParameter* p = request->getParam(i);
if(p->isFile()){
Serial.printf( "_FILE[%s]: %s, size: %u\n", p->name().c_str(), p->value().c_str(), p->size());
} else if(p->isPost()){
Serial.printf( "_POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
} else {
Serial.printf( "_GET[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
}
request->send(404);
});
asyncserver.onFileUpload([](AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final){
if(!index)
Serial.printf( "UploadStart: %s\n", filename.c_str());
Serial.printf("%s", (const char*)data);
if(final)
Serial.printf( "UploadEnd: %s (%u)\n", filename.c_str(), index+len);
});
asyncserver.onRequestBody([](AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total){
if(!index) {
Serial.printf( "BodyStart: %u\n", total);
}
Serial.printf( "%s", (const char*)data);
if(index + len == total) {
Serial.printf( "BodyEnd: %u\n", total);
}
});
asyncserver.on("/reset", HTTP_GET, []( AsyncWebServerRequest * request ) {
request->send(200, "text/plain", "Reset\r\n" );
delay(3000);
ESP.restart();
});
asyncserver.on("/update", HTTP_POST,
[](AsyncWebServerRequest *request) {},
[](AsyncWebServerRequest *request, const String& filename, size_t index, uint8_t *data, size_t len, bool final) { handleUpdate(request, filename, index, data, len, final); }
);
asyncserver.on("/description.xml", HTTP_GET, [](AsyncWebServerRequest *request) {
byte mac[6];
WiFi.macAddress(mac);
char tmp[12 + 1];
snprintf(tmp, sizeof(tmp), "%02X%02X%02X%02X%02X%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
String MacStrPart = String(tmp).substring(6);
String xmltext = String("<?xml version=\"1.0\"?>\n") +
"<root xmlns=\"urn:schemas-upnp-org:device-1-0\">\n"
"<specVersion>\n"
"\t<major>1</major>\n"
"\t<minor>0</minor>\n"
"</specVersion>\n"
"<URLBase>http://" + WiFi.localIP().toString() + "/</URLBase>\n"
"<device>\n"
"\t<deviceType>upnp:rootdevice</deviceType>\n"
/*this is the icon name in Windows*/
/*"\t<friendlyName>" + WiFi.getHostname() + "</friendlyName>\n"*/
"\t<friendlyName>" + DEV_NAME + " " + MacStrPart + "</friendlyName>\n" /*because the hostename is 'Espressif' */
"\t<presentationURL>/</presentationURL>\n"
"\t<manufacturer>" + "Dirk Broßwick (sharandac)" + "</manufacturer>\n"
"\t<manufacturerURL>https://github.com/sharandac/My-TTGO-Watch</manufacturerURL>\n"
"\t<modelName>" + DEV_INFO + "</modelName>\n"
"\t<modelNumber>" + WiFi.getHostname() + "</modelNumber>\n"
"\t<modelURL>" +
"/" + "</modelURL>\n"
"\t<serialNumber>Build: " + __FIRMWARE__ + "</serialNumber>\n"
//The last six bytes of the UUID are the hardware address of the first Ethernet adapter in the system the UUID was generated on.
"\t<UDN>uuid:38323636-4558-4DDA-9188-CDA0E6" + MacStrPart + "</UDN>\n"
"</device>\n"
"</root>\r\n"
"\r\n";
request->send(200, "text/xml", xmltext);
});
//Upnp / SSDP presentation - Multicast - link to description.xml
SSDP.setSchemaURL("description.xml");
SSDP.setHTTPPort( UPNPPORT );
SSDP.setURL("/");
SSDP.setDeviceType("upnp:rootdevice");
SSDP.begin();
asyncserver.begin();
log_i("enable webserver and ssdp");
}
void asyncwebserver_end(void) {
SSDP.end();
asyncserver.end();
log_i("disable webserver and ssdp");
}