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113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/**
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StreamHTTPClient.ino
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Created on: 24.05.2015
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <ESP8266HTTPClient.h>
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ESP8266WiFiMulti WiFiMulti;
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void setup() {
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Serial.begin(115200);
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// Serial.setDebugOutput(true);
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Serial.println();
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Serial.println();
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Serial.println();
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for (uint8_t t = 4; t > 0; t--) {
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Serial.printf("[SETUP] WAIT %d...\n", t);
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Serial.flush();
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delay(1000);
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}
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP("SSID", "PASSWORD");
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}
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void loop() {
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// wait for WiFi connection
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if ((WiFiMulti.run() == WL_CONNECTED)) {
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std::unique_ptr<BearSSL::WiFiClientSecure> client(new BearSSL::WiFiClientSecure);
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bool mfln = client->probeMaxFragmentLength("tls.mbed.org", 443, 1024);
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Serial.printf("\nConnecting to https://tls.mbed.org\n");
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Serial.printf("Maximum fragment Length negotiation supported: %s\n", mfln ? "yes" : "no");
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if (mfln) {
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client->setBufferSizes(1024, 1024);
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}
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Serial.print("[HTTPS] begin...\n");
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// configure server and url
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const uint8_t fingerprint[20] = {0x15, 0x77, 0xdc, 0x04, 0x7c, 0x00, 0xf8, 0x70, 0x09, 0x34, 0x24, 0xf4, 0xd3, 0xa1, 0x7a, 0x6c, 0x1e, 0xa3, 0xe0, 0x2a};
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client->setFingerprint(fingerprint);
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HTTPClient https;
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if (https.begin(*client, "https://tls.mbed.org/")) {
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Serial.print("[HTTPS] GET...\n");
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// start connection and send HTTP header
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int httpCode = https.GET();
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if (httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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Serial.printf("[HTTPS] GET... code: %d\n", httpCode);
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// file found at server
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if (httpCode == HTTP_CODE_OK) {
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// get lenght of document (is -1 when Server sends no Content-Length header)
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int len = https.getSize();
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// create buffer for read
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static uint8_t buff[128] = { 0 };
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// read all data from server
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while (https.connected() && (len > 0 || len == -1)) {
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// get available data size
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size_t size = client->available();
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if (size) {
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// read up to 128 byte
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int c = client->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
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// write it to Serial
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Serial.write(buff, c);
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if (len > 0) {
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len -= c;
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}
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}
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delay(1);
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}
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Serial.println();
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Serial.print("[HTTPS] connection closed or file end.\n");
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}
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} else {
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Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
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}
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https.end();
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} else {
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Serial.printf("Unable to connect\n");
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}
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}
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Serial.println("Wait 10s before the next round...");
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delay(10000);
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}
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