IOP / WIZwiki-7500_Blynk

Blynk example

Dependents:   Blynk_Example_WIZwiki-W7500

Fork of Blynk by Volodymyr Shymanskyy

Blynk/BlynkProtocol.h@17:ba922c4e9aee, 2017-08-14 (annotated)

Committer:
jcm931213
Date:
Mon Aug 14 04:44:54 2017 +0000
Revision:
17:ba922c4e9aee
Parent:
16:5d8386745e22 
W7500 Blynk Example; I arbitrarily modified TCPSocket Client.; You need to add a function to get and set socket number in TCPSocket Client.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vshymanskyy 0:58b20b438383 1 /**
vshymanskyy 0:58b20b438383 2 * @file BlynkProtocol.h
vshymanskyy 0:58b20b438383 3 * @author Volodymyr Shymanskyy
vshymanskyy 0:58b20b438383 4 * @license This project is released under the MIT License (MIT)
vshymanskyy 0:58b20b438383 5 * @copyright Copyright (c) 2015 Volodymyr Shymanskyy
vshymanskyy 0:58b20b438383 6 * @date Jan 2015
vshymanskyy 0:58b20b438383 7 * @brief Blynk protocol implementation
vshymanskyy 0:58b20b438383 8 *
vshymanskyy 0:58b20b438383 9 */
vshymanskyy 0:58b20b438383 10
vshymanskyy 0:58b20b438383 11 #ifndef BlynkProtocol_h
vshymanskyy 0:58b20b438383 12 #define BlynkProtocol_h
vshymanskyy 0:58b20b438383 13
vshymanskyy 0:58b20b438383 14 #include <string.h>
vshymanskyy 0:58b20b438383 15 #include <stdlib.h>
vshymanskyy 0:58b20b438383 16 #include <Blynk/BlynkDebug.h>
vshymanskyy 0:58b20b438383 17 #include <Blynk/BlynkProtocolDefs.h>
vshymanskyy 0:58b20b438383 18 #include <Blynk/BlynkApi.h>
vshymanskyy 0:58b20b438383 19 #include <utility/BlynkUtility.h>
vshymanskyy 0:58b20b438383 20
vshymanskyy 0:58b20b438383 21 template <class Transp>
vshymanskyy 0:58b20b438383 22 class BlynkProtocol
vshymanskyy 0:58b20b438383 23 : public BlynkApi< BlynkProtocol<Transp> >
vshymanskyy 0:58b20b438383 24 {
vshymanskyy 0:58b20b438383 25 friend class BlynkApi< BlynkProtocol<Transp> >;
vshymanskyy 0:58b20b438383 26 public:
vshymanskyy 0:58b20b438383 27 enum BlynkState {
vshymanskyy 0:58b20b438383 28 CONNECTING,
vshymanskyy 0:58b20b438383 29 CONNECTED,
vshymanskyy 0:58b20b438383 30 DISCONNECTED,
vshymanskyy 0:58b20b438383 31 };
vshymanskyy 0:58b20b438383 32
vshymanskyy 0:58b20b438383 33 BlynkProtocol(Transp& transp)
vshymanskyy 0:58b20b438383 34 : conn(transp)
vshymanskyy 0:58b20b438383 35 , authkey(NULL)
Volodymyr Shymanskyy 9:7369ec77a3ea 36 , redir_serv(NULL)
vshymanskyy 0:58b20b438383 37 , lastActivityIn(0)
vshymanskyy 0:58b20b438383 38 , lastActivityOut(0)
vshymanskyy 0:58b20b438383 39 , lastHeartbeat(0)
vshymanskyy 0:58b20b438383 40 #ifdef BLYNK_MSG_LIMIT
vshymanskyy 0:58b20b438383 41 , deltaCmd(0)
vshymanskyy 0:58b20b438383 42 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 43 , msgIdOut(0)
Volodymyr Shymanskyy 14:76d8fd871a4d 44 , msgIdOutOverride(0)
vshymanskyy 0:58b20b438383 45 , state(CONNECTING)
vshymanskyy 0:58b20b438383 46 {}
vshymanskyy 0:58b20b438383 47
vshymanskyy 0:58b20b438383 48 bool connected() { return state == CONNECTED; }
vshymanskyy 0:58b20b438383 49
vshymanskyy 0:58b20b438383 50 bool connect(uint32_t timeout = BLYNK_TIMEOUT_MS*3) {
Volodymyr Shymanskyy 9:7369ec77a3ea 51 conn.disconnect();
Volodymyr Shymanskyy 9:7369ec77a3ea 52 state = CONNECTING;
Volodymyr Shymanskyy 9:7369ec77a3ea 53 millis_time_t started = this->getMillis();
Volodymyr Shymanskyy 9:7369ec77a3ea 54 while ((state != CONNECTED) &&
Volodymyr Shymanskyy 9:7369ec77a3ea 55 (this->getMillis() - started < timeout))
Volodymyr Shymanskyy 9:7369ec77a3ea 56 {
Volodymyr Shymanskyy 9:7369ec77a3ea 57 run();
Volodymyr Shymanskyy 9:7369ec77a3ea 58 }
Volodymyr Shymanskyy 14:76d8fd871a4d 59 run(); // Workaround for #325: Getting wrong bytes with ESP8266-SSL
Volodymyr Shymanskyy 9:7369ec77a3ea 60 return state == CONNECTED;
vshymanskyy 0:58b20b438383 61 }
vshymanskyy 0:58b20b438383 62
vshymanskyy 0:58b20b438383 63 void disconnect() {
vshymanskyy 0:58b20b438383 64 conn.disconnect();
vshymanskyy 0:58b20b438383 65 state = DISCONNECTED;
vshymanskyy 0:58b20b438383 66 BLYNK_LOG1(BLYNK_F("Disconnected"));
vshymanskyy 0:58b20b438383 67 }
vshymanskyy 0:58b20b438383 68
vshymanskyy 0:58b20b438383 69 bool run(bool avail = false);
vshymanskyy 0:58b20b438383 70
Volodymyr Shymanskyy 3:31e4b850b126 71 // TODO: Fixme
vshymanskyy 0:58b20b438383 72 void startSession() {
Volodymyr Shymanskyy 3:31e4b850b126 73 conn.connect();
Volodymyr Shymanskyy 9:7369ec77a3ea 74 state = CONNECTING;
vshymanskyy 0:58b20b438383 75 #ifdef BLYNK_MSG_LIMIT
vshymanskyy 0:58b20b438383 76 deltaCmd = 1000;
vshymanskyy 0:58b20b438383 77 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 78 msgIdOut = 0;
Volodymyr Shymanskyy 9:7369ec77a3ea 79 lastHeartbeat = lastActivityIn = lastActivityOut = this->getMillis(); // TODO: - 5005UL
vshymanskyy 0:58b20b438383 80 }
vshymanskyy 0:58b20b438383 81
vshymanskyy 0:58b20b438383 82 void sendCmd(uint8_t cmd, uint16_t id = 0, const void* data = NULL, size_t length = 0, const void* data2 = NULL, size_t length2 = 0);
vshymanskyy 0:58b20b438383 83
vshymanskyy 0:58b20b438383 84 private:
Volodymyr Shymanskyy 14:76d8fd871a4d 85
Volodymyr Shymanskyy 14:76d8fd871a4d 86 void internalReconnect() {
Volodymyr Shymanskyy 14:76d8fd871a4d 87 state = CONNECTING;
Volodymyr Shymanskyy 14:76d8fd871a4d 88 conn.disconnect();
Volodymyr Shymanskyy 14:76d8fd871a4d 89 BlynkOnDisconnected();
Volodymyr Shymanskyy 14:76d8fd871a4d 90 }
Volodymyr Shymanskyy 14:76d8fd871a4d 91
vshymanskyy 0:58b20b438383 92 int readHeader(BlynkHeader& hdr);
vshymanskyy 0:58b20b438383 93 uint16_t getNextMsgId();
vshymanskyy 0:58b20b438383 94
vshymanskyy 0:58b20b438383 95 protected:
vshymanskyy 0:58b20b438383 96 void begin(const char* auth) {
jcm931213 15:544afbc8228f 97 printf("blink beginnnnnnnnning\r\n");
Volodymyr Shymanskyy 9:7369ec77a3ea 98 this->authkey = auth;
Volodymyr Shymanskyy 9:7369ec77a3ea 99
Volodymyr Shymanskyy 9:7369ec77a3ea 100 #if defined(BLYNK_NO_FANCY_LOGO)
vshymanskyy 0:58b20b438383 101 BLYNK_LOG1(BLYNK_F("Blynk v" BLYNK_VERSION " on " BLYNK_INFO_DEVICE));
Volodymyr Shymanskyy 9:7369ec77a3ea 102 #elif defined(BLYNK_FANCY_LOGO_3D)
Volodymyr Shymanskyy 9:7369ec77a3ea 103 BLYNK_LOG1(BLYNK_F("\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 104 " ____ ___ __\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 105 " /\\ _`\\ /\\_ \\ /\\ \\ _\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 106 " \\ \\ \\_\\ \\\\//\\ \\ __ __ ___ \\ \\ \\/ \\\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 107 " \\ \\ _ < \\ \\ \\ /\\ \\/\\ \\ /' _ `\\\\ \\ , <\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 108 " \\ \\ \\_\\ \\ \\_\\ \\_\\ \\ \\_\\ \\ /\\ \\/\\ \\\\ \\ \\\\`\\\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 109 " \\ \\____/ /\\____\\\\/`____ \\\\ \\_\\ \\_\\\\ \\_\\\\_\\\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 110 " \\/___/ \\/____/ `/___/\\ \\\\/_/\\/_/ \\/_//_/\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 111 " /\\___/\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 112 " \\/__/ " BLYNK_VERSION " on " BLYNK_INFO_DEVICE "\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 113 ));
Volodymyr Shymanskyy 9:7369ec77a3ea 114 #else
Volodymyr Shymanskyy 9:7369ec77a3ea 115 BLYNK_LOG1(BLYNK_F("\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 116 " ___ __ __\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 117 " / _ )/ /_ _____ / /__\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 118 " / _ / / // / _ \\/ '_/\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 119 " /____/_/\\_, /_//_/_/\\_\\\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 120 " /___/ v" BLYNK_VERSION " on " BLYNK_INFO_DEVICE "\n"
Volodymyr Shymanskyy 9:7369ec77a3ea 121 ));
Volodymyr Shymanskyy 9:7369ec77a3ea 122 #endif
Volodymyr Shymanskyy 9:7369ec77a3ea 123
Volodymyr Shymanskyy 9:7369ec77a3ea 124 #ifdef BLYNK_DEBUG
Volodymyr Shymanskyy 9:7369ec77a3ea 125 if (size_t ram = BlynkFreeRam()) {
Volodymyr Shymanskyy 9:7369ec77a3ea 126 BLYNK_LOG2(BLYNK_F("Free RAM: "), ram);
Volodymyr Shymanskyy 9:7369ec77a3ea 127 }
Volodymyr Shymanskyy 9:7369ec77a3ea 128 #endif
vshymanskyy 0:58b20b438383 129 }
vshymanskyy 0:58b20b438383 130 bool processInput(void);
vshymanskyy 0:58b20b438383 131
vshymanskyy 0:58b20b438383 132 Transp& conn;
vshymanskyy 0:58b20b438383 133
vshymanskyy 0:58b20b438383 134 private:
vshymanskyy 0:58b20b438383 135 const char* authkey;
Volodymyr Shymanskyy 9:7369ec77a3ea 136 char* redir_serv;
vshymanskyy 0:58b20b438383 137 millis_time_t lastActivityIn;
vshymanskyy 0:58b20b438383 138 millis_time_t lastActivityOut;
vshymanskyy 0:58b20b438383 139 union {
Volodymyr Shymanskyy 9:7369ec77a3ea 140 millis_time_t lastHeartbeat;
Volodymyr Shymanskyy 9:7369ec77a3ea 141 millis_time_t lastLogin;
vshymanskyy 0:58b20b438383 142 };
vshymanskyy 0:58b20b438383 143 #ifdef BLYNK_MSG_LIMIT
vshymanskyy 0:58b20b438383 144 millis_time_t deltaCmd;
vshymanskyy 0:58b20b438383 145 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 146 uint16_t msgIdOut;
Volodymyr Shymanskyy 14:76d8fd871a4d 147 uint16_t msgIdOutOverride;
Volodymyr Shymanskyy 3:31e4b850b126 148 protected:
vshymanskyy 0:58b20b438383 149 BlynkState state;
vshymanskyy 0:58b20b438383 150 };
vshymanskyy 0:58b20b438383 151
vshymanskyy 0:58b20b438383 152 template <class Transp>
vshymanskyy 0:58b20b438383 153 bool BlynkProtocol<Transp>::run(bool avail)
vshymanskyy 0:58b20b438383 154 {
Volodymyr Shymanskyy 9:7369ec77a3ea 155 BLYNK_RUN_YIELD();
jcm931213 16:5d8386745e22 156 printf("debuging...............1\r\n");
vshymanskyy 0:58b20b438383 157 if (state == DISCONNECTED) {
vshymanskyy 0:58b20b438383 158 return false;
vshymanskyy 0:58b20b438383 159 }
vshymanskyy 0:58b20b438383 160
vshymanskyy 0:58b20b438383 161 const bool tconn = conn.connected();
jcm931213 16:5d8386745e22 162 printf("debuging...............2\r\n");
vshymanskyy 0:58b20b438383 163 if (tconn) {
vshymanskyy 0:58b20b438383 164 if (avail || conn.available() > 0) {
jcm931213 16:5d8386745e22 165 printf("debuging...............3\r\n");
vshymanskyy 0:58b20b438383 166 //BLYNK_LOG2(BLYNK_F("Available: "), conn.available());
vshymanskyy 0:58b20b438383 167 //const unsigned long t = micros();
vshymanskyy 0:58b20b438383 168 if (!processInput()) {
jcm931213 16:5d8386745e22 169 printf("debuging...............4\r\n");
vshymanskyy 0:58b20b438383 170 conn.disconnect();
vshymanskyy 0:58b20b438383 171 // TODO: Only when in direct mode?
vshymanskyy 0:58b20b438383 172 #ifdef BLYNK_USE_DIRECT_CONNECT
vshymanskyy 0:58b20b438383 173 state = CONNECTING;
vshymanskyy 0:58b20b438383 174 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 175 BlynkOnDisconnected();
vshymanskyy 0:58b20b438383 176 return false;
vshymanskyy 0:58b20b438383 177 }
jcm931213 16:5d8386745e22 178 printf("debuging...............5r\n");
vshymanskyy 0:58b20b438383 179 //BLYNK_LOG2(BLYNK_F("Proc time: "), micros() - t);
vshymanskyy 0:58b20b438383 180 }
vshymanskyy 0:58b20b438383 181 }
vshymanskyy 0:58b20b438383 182
vshymanskyy 0:58b20b438383 183 const millis_time_t t = this->getMillis();
vshymanskyy 0:58b20b438383 184
vshymanskyy 0:58b20b438383 185 if (state == CONNECTED) {
vshymanskyy 0:58b20b438383 186 if (!tconn) {
vshymanskyy 0:58b20b438383 187 lastHeartbeat = t;
Volodymyr Shymanskyy 14:76d8fd871a4d 188 internalReconnect();
vshymanskyy 0:58b20b438383 189 return false;
vshymanskyy 0:58b20b438383 190 }
vshymanskyy 0:58b20b438383 191
vshymanskyy 0:58b20b438383 192 if (t - lastActivityIn > (1000UL * BLYNK_HEARTBEAT + BLYNK_TIMEOUT_MS*3)) {
vshymanskyy 0:58b20b438383 193 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 194 BLYNK_LOG6(BLYNK_F("Heartbeat timeout: "), t, BLYNK_F(", "), lastActivityIn, BLYNK_F(", "), lastHeartbeat);
vshymanskyy 0:58b20b438383 195 #else
vshymanskyy 0:58b20b438383 196 BLYNK_LOG1(BLYNK_F("Heartbeat timeout"));
vshymanskyy 0:58b20b438383 197 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 198 internalReconnect();
vshymanskyy 0:58b20b438383 199 return false;
vshymanskyy 0:58b20b438383 200 } else if ((t - lastActivityIn > 1000UL * BLYNK_HEARTBEAT ||
vshymanskyy 0:58b20b438383 201 t - lastActivityOut > 1000UL * BLYNK_HEARTBEAT) &&
vshymanskyy 0:58b20b438383 202 t - lastHeartbeat > BLYNK_TIMEOUT_MS)
vshymanskyy 0:58b20b438383 203 {
vshymanskyy 0:58b20b438383 204 // Send ping if we didn't either send or receive something
vshymanskyy 0:58b20b438383 205 // for BLYNK_HEARTBEAT seconds
vshymanskyy 0:58b20b438383 206 sendCmd(BLYNK_CMD_PING);
vshymanskyy 0:58b20b438383 207 lastHeartbeat = t;
vshymanskyy 0:58b20b438383 208 }
vshymanskyy 0:58b20b438383 209 } else if (state == CONNECTING) {
Volodymyr Shymanskyy 9:7369ec77a3ea 210 #ifdef BLYNK_USE_DIRECT_CONNECT
Volodymyr Shymanskyy 9:7369ec77a3ea 211 if (!tconn)
Volodymyr Shymanskyy 9:7369ec77a3ea 212 conn.connect();
Volodymyr Shymanskyy 9:7369ec77a3ea 213 #else
vshymanskyy 0:58b20b438383 214 if (tconn && (t - lastLogin > BLYNK_TIMEOUT_MS)) {
vshymanskyy 0:58b20b438383 215 BLYNK_LOG1(BLYNK_F("Login timeout"));
vshymanskyy 0:58b20b438383 216 conn.disconnect();
vshymanskyy 0:58b20b438383 217 state = CONNECTING;
vshymanskyy 0:58b20b438383 218 return false;
vshymanskyy 0:58b20b438383 219 } else if (!tconn && (t - lastLogin > 5000UL)) {
vshymanskyy 0:58b20b438383 220 conn.disconnect();
vshymanskyy 0:58b20b438383 221 if (!conn.connect()) {
vshymanskyy 0:58b20b438383 222 lastLogin = t;
vshymanskyy 0:58b20b438383 223 return false;
vshymanskyy 0:58b20b438383 224 }
vshymanskyy 0:58b20b438383 225
vshymanskyy 0:58b20b438383 226 #ifdef BLYNK_MSG_LIMIT
vshymanskyy 0:58b20b438383 227 deltaCmd = 1000;
vshymanskyy 0:58b20b438383 228 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 229 msgIdOut = 1;
vshymanskyy 0:58b20b438383 230 sendCmd(BLYNK_CMD_LOGIN, 1, authkey, strlen(authkey));
vshymanskyy 0:58b20b438383 231 lastLogin = lastActivityOut;
vshymanskyy 0:58b20b438383 232 return true;
vshymanskyy 0:58b20b438383 233 }
vshymanskyy 0:58b20b438383 234 #endif
vshymanskyy 0:58b20b438383 235 }
vshymanskyy 0:58b20b438383 236 return true;
vshymanskyy 0:58b20b438383 237 }
vshymanskyy 0:58b20b438383 238
vshymanskyy 0:58b20b438383 239 template <class Transp>
vshymanskyy 0:58b20b438383 240 BLYNK_FORCE_INLINE
vshymanskyy 0:58b20b438383 241 bool BlynkProtocol<Transp>::processInput(void)
vshymanskyy 0:58b20b438383 242 {
vshymanskyy 0:58b20b438383 243 BlynkHeader hdr;
vshymanskyy 0:58b20b438383 244 const int ret = readHeader(hdr);
vshymanskyy 0:58b20b438383 245
vshymanskyy 0:58b20b438383 246 if (ret == 0) {
vshymanskyy 0:58b20b438383 247 return true; // Considered OK (no data on input)
vshymanskyy 0:58b20b438383 248 }
vshymanskyy 0:58b20b438383 249
vshymanskyy 0:58b20b438383 250 if (ret < 0 || hdr.msg_id == 0) {
vshymanskyy 0:58b20b438383 251 #ifdef BLYNK_DEBUG
Volodymyr Shymanskyy 3:31e4b850b126 252 BLYNK_LOG2(BLYNK_F("Bad hdr len: "), ret);
vshymanskyy 0:58b20b438383 253 #endif
vshymanskyy 0:58b20b438383 254 return false;
vshymanskyy 0:58b20b438383 255 }
vshymanskyy 0:58b20b438383 256
vshymanskyy 0:58b20b438383 257 if (hdr.type == BLYNK_CMD_RESPONSE) {
vshymanskyy 0:58b20b438383 258 lastActivityIn = this->getMillis();
vshymanskyy 0:58b20b438383 259
vshymanskyy 0:58b20b438383 260 #ifndef BLYNK_USE_DIRECT_CONNECT
vshymanskyy 0:58b20b438383 261 if (state == CONNECTING && (1 == hdr.msg_id)) {
vshymanskyy 0:58b20b438383 262 switch (hdr.length) {
vshymanskyy 0:58b20b438383 263 case BLYNK_SUCCESS:
Volodymyr Shymanskyy 9:7369ec77a3ea 264 case BLYNK_ALREADY_REGISTERED:
vshymanskyy 0:58b20b438383 265 BLYNK_LOG3(BLYNK_F("Ready (ping: "), lastActivityIn-lastHeartbeat, BLYNK_F("ms)."));
vshymanskyy 0:58b20b438383 266 lastHeartbeat = lastActivityIn;
vshymanskyy 0:58b20b438383 267 state = CONNECTED;
vshymanskyy 0:58b20b438383 268 this->sendInfo();
Volodymyr Shymanskyy 9:7369ec77a3ea 269 BLYNK_RUN_YIELD();
vshymanskyy 0:58b20b438383 270 BlynkOnConnected();
vshymanskyy 0:58b20b438383 271 return true;
vshymanskyy 0:58b20b438383 272 case BLYNK_INVALID_TOKEN:
vshymanskyy 0:58b20b438383 273 BLYNK_LOG1(BLYNK_F("Invalid auth token"));
vshymanskyy 0:58b20b438383 274 break;
vshymanskyy 0:58b20b438383 275 default:
vshymanskyy 0:58b20b438383 276 BLYNK_LOG2(BLYNK_F("Connect failed. code: "), hdr.length);
vshymanskyy 0:58b20b438383 277 }
vshymanskyy 0:58b20b438383 278 return false;
vshymanskyy 0:58b20b438383 279 }
vshymanskyy 0:58b20b438383 280 if (BLYNK_NOT_AUTHENTICATED == hdr.length) {
vshymanskyy 0:58b20b438383 281 return false;
vshymanskyy 0:58b20b438383 282 }
vshymanskyy 0:58b20b438383 283 #endif
vshymanskyy 0:58b20b438383 284 // TODO: return code may indicate App presence
vshymanskyy 0:58b20b438383 285 return true;
vshymanskyy 0:58b20b438383 286 }
vshymanskyy 0:58b20b438383 287
vshymanskyy 0:58b20b438383 288 if (hdr.length > BLYNK_MAX_READBYTES) {
vshymanskyy 0:58b20b438383 289 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 290 BLYNK_LOG2(BLYNK_F("Packet too big: "), hdr.length);
vshymanskyy 0:58b20b438383 291 #endif
Volodymyr Shymanskyy 3:31e4b850b126 292 // TODO: Flush
Volodymyr Shymanskyy 3:31e4b850b126 293 conn.connect();
Volodymyr Shymanskyy 3:31e4b850b126 294 return true;
vshymanskyy 0:58b20b438383 295 }
vshymanskyy 0:58b20b438383 296
vshymanskyy 0:58b20b438383 297 uint8_t inputBuffer[hdr.length+1]; // Add 1 to zero-terminate
vshymanskyy 0:58b20b438383 298 if (hdr.length != conn.read(inputBuffer, hdr.length)) {
vshymanskyy 0:58b20b438383 299 #ifdef DEBUG
vshymanskyy 0:58b20b438383 300 BLYNK_LOG1(BLYNK_F("Can't read body"));
vshymanskyy 0:58b20b438383 301 #endif
vshymanskyy 0:58b20b438383 302 return false;
vshymanskyy 0:58b20b438383 303 }
vshymanskyy 0:58b20b438383 304 inputBuffer[hdr.length] = '\0';
vshymanskyy 0:58b20b438383 305
vshymanskyy 0:58b20b438383 306 BLYNK_DBG_DUMP(">", inputBuffer, hdr.length);
vshymanskyy 0:58b20b438383 307
vshymanskyy 0:58b20b438383 308 lastActivityIn = this->getMillis();
vshymanskyy 0:58b20b438383 309
vshymanskyy 0:58b20b438383 310 switch (hdr.type)
vshymanskyy 0:58b20b438383 311 {
Volodymyr Shymanskyy 3:31e4b850b126 312 case BLYNK_CMD_LOGIN: {
vshymanskyy 0:58b20b438383 313 #ifdef BLYNK_USE_DIRECT_CONNECT
Volodymyr Shymanskyy 13:ed6276c0afb7 314 if (strncmp(authkey, (char*)inputBuffer, 32)) {
Volodymyr Shymanskyy 13:ed6276c0afb7 315 BLYNK_LOG1(BLYNK_F("Invalid token"));
Volodymyr Shymanskyy 13:ed6276c0afb7 316 sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_INVALID_TOKEN);
Volodymyr Shymanskyy 13:ed6276c0afb7 317 break;
Volodymyr Shymanskyy 13:ed6276c0afb7 318 }
Volodymyr Shymanskyy 13:ed6276c0afb7 319 #endif
Volodymyr Shymanskyy 13:ed6276c0afb7 320 if (state == CONNECTING) {
Volodymyr Shymanskyy 3:31e4b850b126 321 BLYNK_LOG1(BLYNK_F("Ready"));
vshymanskyy 0:58b20b438383 322 state = CONNECTED;
vshymanskyy 0:58b20b438383 323 this->sendInfo();
Volodymyr Shymanskyy 3:31e4b850b126 324 BlynkOnConnected();
vshymanskyy 0:58b20b438383 325 }
Volodymyr Shymanskyy 9:7369ec77a3ea 326 sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_SUCCESS);
vshymanskyy 0:58b20b438383 327 } break;
vshymanskyy 0:58b20b438383 328 case BLYNK_CMD_PING: {
vshymanskyy 0:58b20b438383 329 sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_SUCCESS);
vshymanskyy 0:58b20b438383 330 } break;
Volodymyr Shymanskyy 9:7369ec77a3ea 331 case BLYNK_CMD_REDIRECT: {
Volodymyr Shymanskyy 9:7369ec77a3ea 332 if (!redir_serv) {
Volodymyr Shymanskyy 9:7369ec77a3ea 333 redir_serv = (char*)malloc(32);
Volodymyr Shymanskyy 9:7369ec77a3ea 334 }
Volodymyr Shymanskyy 9:7369ec77a3ea 335 BlynkParam param(inputBuffer, hdr.length);
Volodymyr Shymanskyy 9:7369ec77a3ea 336 uint16_t redir_port = BLYNK_DEFAULT_PORT; // TODO: Fixit
Volodymyr Shymanskyy 9:7369ec77a3ea 337
Volodymyr Shymanskyy 9:7369ec77a3ea 338 BlynkParam::iterator it = param.begin();
Volodymyr Shymanskyy 9:7369ec77a3ea 339 if (it >= param.end())
Volodymyr Shymanskyy 9:7369ec77a3ea 340 return false;
Volodymyr Shymanskyy 9:7369ec77a3ea 341 strncpy(redir_serv, it.asStr(), 32);
Volodymyr Shymanskyy 9:7369ec77a3ea 342 if (++it < param.end())
Volodymyr Shymanskyy 9:7369ec77a3ea 343 redir_port = it.asLong();
Volodymyr Shymanskyy 9:7369ec77a3ea 344 BLYNK_LOG4(BLYNK_F("Redirecting to "), redir_serv, ':', redir_port);
Volodymyr Shymanskyy 9:7369ec77a3ea 345 conn.disconnect();
Volodymyr Shymanskyy 9:7369ec77a3ea 346 conn.begin(redir_serv, redir_port);
Volodymyr Shymanskyy 9:7369ec77a3ea 347 lastLogin = lastActivityIn - 5000L; // Reconnect immediately
Volodymyr Shymanskyy 9:7369ec77a3ea 348 state = CONNECTING;
Volodymyr Shymanskyy 9:7369ec77a3ea 349 } break;
vshymanskyy 0:58b20b438383 350 case BLYNK_CMD_HARDWARE:
vshymanskyy 0:58b20b438383 351 case BLYNK_CMD_BRIDGE: {
Volodymyr Shymanskyy 14:76d8fd871a4d 352 msgIdOutOverride = hdr.msg_id;
vshymanskyy 0:58b20b438383 353 this->processCmd(inputBuffer, hdr.length);
Volodymyr Shymanskyy 14:76d8fd871a4d 354 msgIdOutOverride = 0;
vshymanskyy 0:58b20b438383 355 } break;
Volodymyr Shymanskyy 10:c241e4227173 356 case BLYNK_CMD_INTERNAL: {
Volodymyr Shymanskyy 10:c241e4227173 357 BlynkReq req = { 0 };
Volodymyr Shymanskyy 10:c241e4227173 358 BlynkParam param(inputBuffer, hdr.length);
Volodymyr Shymanskyy 10:c241e4227173 359 BlynkParam::iterator it = param.begin();
Volodymyr Shymanskyy 10:c241e4227173 360 if (it >= param.end())
Volodymyr Shymanskyy 10:c241e4227173 361 return true;
Volodymyr Shymanskyy 10:c241e4227173 362
Volodymyr Shymanskyy 10:c241e4227173 363 uint32_t cmd32;
Volodymyr Shymanskyy 10:c241e4227173 364 memcpy(&cmd32, it.asStr(), sizeof(cmd32));
Volodymyr Shymanskyy 10:c241e4227173 365
Volodymyr Shymanskyy 14:76d8fd871a4d 366 ++it;
Volodymyr Shymanskyy 14:76d8fd871a4d 367 char* start = (char*)(it).asStr();
Volodymyr Shymanskyy 14:76d8fd871a4d 368 unsigned length = hdr.length - (start - (char*)inputBuffer);
Volodymyr Shymanskyy 14:76d8fd871a4d 369 BlynkParam param2(start, length);
Volodymyr Shymanskyy 10:c241e4227173 370
Volodymyr Shymanskyy 10:c241e4227173 371 switch (cmd32) {
Volodymyr Shymanskyy 10:c241e4227173 372 case BLYNK_INT_RTC: BlynkWidgetWriteInternalPinRTC(req, param2); break;
Volodymyr Shymanskyy 10:c241e4227173 373 case BLYNK_INT_OTA: BlynkWidgetWriteInternalPinOTA(req, param2); break;
Volodymyr Shymanskyy 10:c241e4227173 374 case BLYNK_INT_ACON: BlynkWidgetWriteInternalPinACON(req, param2); break;
Volodymyr Shymanskyy 10:c241e4227173 375 case BLYNK_INT_ADIS: BlynkWidgetWriteInternalPinADIS(req, param2); break;
Volodymyr Shymanskyy 14:76d8fd871a4d 376 #ifdef DEBUG
Volodymyr Shymanskyy 14:76d8fd871a4d 377 default: BLYNK_LOG2(BLYNK_F("Invalid internal cmd:"), param.asStr());
Volodymyr Shymanskyy 14:76d8fd871a4d 378 #endif
Volodymyr Shymanskyy 10:c241e4227173 379 }
Volodymyr Shymanskyy 9:7369ec77a3ea 380 } break;
Volodymyr Shymanskyy 9:7369ec77a3ea 381 case BLYNK_CMD_DEBUG_PRINT: {
Volodymyr Shymanskyy 9:7369ec77a3ea 382 if (hdr.length) {
Volodymyr Shymanskyy 9:7369ec77a3ea 383 BLYNK_LOG2(BLYNK_F("Server: "), (char*)inputBuffer);
Volodymyr Shymanskyy 9:7369ec77a3ea 384 }
Volodymyr Shymanskyy 9:7369ec77a3ea 385 } break;
vshymanskyy 0:58b20b438383 386 default: {
vshymanskyy 0:58b20b438383 387 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 388 BLYNK_LOG2(BLYNK_F("Invalid header type: "), hdr.type);
vshymanskyy 0:58b20b438383 389 #endif
Volodymyr Shymanskyy 3:31e4b850b126 390 // TODO: Flush
Volodymyr Shymanskyy 3:31e4b850b126 391 conn.connect();
vshymanskyy 0:58b20b438383 392 } break;
vshymanskyy 0:58b20b438383 393 }
vshymanskyy 0:58b20b438383 394
vshymanskyy 0:58b20b438383 395 return true;
vshymanskyy 0:58b20b438383 396 }
vshymanskyy 0:58b20b438383 397
vshymanskyy 0:58b20b438383 398 template <class Transp>
vshymanskyy 0:58b20b438383 399 int BlynkProtocol<Transp>::readHeader(BlynkHeader& hdr)
vshymanskyy 0:58b20b438383 400 {
vshymanskyy 0:58b20b438383 401 size_t rlen = conn.read(&hdr, sizeof(hdr));
vshymanskyy 0:58b20b438383 402 if (rlen == 0) {
vshymanskyy 0:58b20b438383 403 return 0;
vshymanskyy 0:58b20b438383 404 }
vshymanskyy 0:58b20b438383 405
vshymanskyy 0:58b20b438383 406 if (sizeof(hdr) != rlen) {
vshymanskyy 0:58b20b438383 407 return -1;
vshymanskyy 0:58b20b438383 408 }
Volodymyr Shymanskyy 3:31e4b850b126 409
Volodymyr Shymanskyy 3:31e4b850b126 410 BLYNK_DBG_DUMP(">", &hdr, sizeof(BlynkHeader));
Volodymyr Shymanskyy 3:31e4b850b126 411
vshymanskyy 0:58b20b438383 412 hdr.msg_id = ntohs(hdr.msg_id);
vshymanskyy 0:58b20b438383 413 hdr.length = ntohs(hdr.length);
vshymanskyy 0:58b20b438383 414
vshymanskyy 0:58b20b438383 415 return rlen;
vshymanskyy 0:58b20b438383 416 }
vshymanskyy 0:58b20b438383 417
vshymanskyy 0:58b20b438383 418 #ifndef BLYNK_SEND_THROTTLE
vshymanskyy 0:58b20b438383 419 #define BLYNK_SEND_THROTTLE 0
vshymanskyy 0:58b20b438383 420 #endif
vshymanskyy 0:58b20b438383 421
vshymanskyy 0:58b20b438383 422 #ifndef BLYNK_SEND_CHUNK
vshymanskyy 0:58b20b438383 423 #define BLYNK_SEND_CHUNK 1024 // Just a big number
vshymanskyy 0:58b20b438383 424 #endif
vshymanskyy 0:58b20b438383 425
vshymanskyy 0:58b20b438383 426 template <class Transp>
vshymanskyy 0:58b20b438383 427 void BlynkProtocol<Transp>::sendCmd(uint8_t cmd, uint16_t id, const void* data, size_t length, const void* data2, size_t length2)
vshymanskyy 0:58b20b438383 428 {
vshymanskyy 0:58b20b438383 429 if (0 == id) {
vshymanskyy 0:58b20b438383 430 id = getNextMsgId();
vshymanskyy 0:58b20b438383 431 }
vshymanskyy 0:58b20b438383 432
vshymanskyy 0:58b20b438383 433 if (!conn.connected() || (cmd != BLYNK_CMD_RESPONSE && cmd != BLYNK_CMD_PING && cmd != BLYNK_CMD_LOGIN && state != CONNECTED) ) {
vshymanskyy 0:58b20b438383 434 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 435 BLYNK_LOG2(BLYNK_F("Cmd skipped:"), cmd);
vshymanskyy 0:58b20b438383 436 #endif
vshymanskyy 0:58b20b438383 437 return;
vshymanskyy 0:58b20b438383 438 }
vshymanskyy 0:58b20b438383 439
Volodymyr Shymanskyy 7:8879692d4e6c 440 const size_t full_length = (sizeof(BlynkHeader)) +
Volodymyr Shymanskyy 7:8879692d4e6c 441 (data ? length : 0) +
Volodymyr Shymanskyy 7:8879692d4e6c 442 (data2 ? length2 : 0);
vshymanskyy 0:58b20b438383 443
vshymanskyy 0:58b20b438383 444 #if defined(BLYNK_SEND_ATOMIC) || defined(ESP8266) || defined(SPARK) || defined(PARTICLE) || defined(ENERGIA)
vshymanskyy 0:58b20b438383 445 // Those have more RAM and like single write at a time...
vshymanskyy 0:58b20b438383 446
vshymanskyy 0:58b20b438383 447 uint8_t buff[full_length];
vshymanskyy 0:58b20b438383 448
vshymanskyy 0:58b20b438383 449 BlynkHeader* hdr = (BlynkHeader*)buff;
vshymanskyy 0:58b20b438383 450 hdr->type = cmd;
vshymanskyy 0:58b20b438383 451 hdr->msg_id = htons(id);
vshymanskyy 0:58b20b438383 452 hdr->length = htons(length+length2);
vshymanskyy 0:58b20b438383 453
vshymanskyy 0:58b20b438383 454 size_t pos = sizeof(BlynkHeader);
vshymanskyy 0:58b20b438383 455 if (data && length) {
vshymanskyy 0:58b20b438383 456 memcpy(buff + pos, data, length);
vshymanskyy 0:58b20b438383 457 pos += length;
vshymanskyy 0:58b20b438383 458 }
vshymanskyy 0:58b20b438383 459 if (data2 && length2) {
vshymanskyy 0:58b20b438383 460 memcpy(buff + pos, data2, length2);
vshymanskyy 0:58b20b438383 461 }
vshymanskyy 0:58b20b438383 462
vshymanskyy 0:58b20b438383 463 size_t wlen = 0;
vshymanskyy 0:58b20b438383 464 while (wlen < full_length) {
vshymanskyy 0:58b20b438383 465 const size_t chunk = BlynkMin(size_t(BLYNK_SEND_CHUNK), full_length - wlen);
Volodymyr Shymanskyy 9:7369ec77a3ea 466 BLYNK_DBG_DUMP("<", buff + wlen, chunk);
vshymanskyy 0:58b20b438383 467 const size_t w = conn.write(buff + wlen, chunk);
Volodymyr Shymanskyy 7:8879692d4e6c 468 ::delay(BLYNK_SEND_THROTTLE);
Volodymyr Shymanskyy 9:7369ec77a3ea 469 if (w == 0) {
vshymanskyy 0:58b20b438383 470 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 471 BLYNK_LOG1(BLYNK_F("Cmd error"));
vshymanskyy 0:58b20b438383 472 #endif
vshymanskyy 0:58b20b438383 473 conn.disconnect();
vshymanskyy 0:58b20b438383 474 state = CONNECTING;
vshymanskyy 0:58b20b438383 475 //BlynkOnDisconnected();
vshymanskyy 0:58b20b438383 476 return;
Volodymyr Shymanskyy 9:7369ec77a3ea 477 }
vshymanskyy 0:58b20b438383 478 wlen += w;
vshymanskyy 0:58b20b438383 479 }
vshymanskyy 0:58b20b438383 480
vshymanskyy 0:58b20b438383 481 #else
vshymanskyy 0:58b20b438383 482
vshymanskyy 0:58b20b438383 483 BlynkHeader hdr;
vshymanskyy 0:58b20b438383 484 hdr.type = cmd;
vshymanskyy 0:58b20b438383 485 hdr.msg_id = htons(id);
vshymanskyy 0:58b20b438383 486 hdr.length = htons(length+length2);
vshymanskyy 0:58b20b438383 487
Volodymyr Shymanskyy 9:7369ec77a3ea 488 BLYNK_DBG_DUMP("<", &hdr, sizeof(hdr));
vshymanskyy 0:58b20b438383 489 size_t wlen = conn.write(&hdr, sizeof(hdr));
Volodymyr Shymanskyy 7:8879692d4e6c 490 ::delay(BLYNK_SEND_THROTTLE);
vshymanskyy 0:58b20b438383 491
vshymanskyy 0:58b20b438383 492 if (cmd != BLYNK_CMD_RESPONSE) {
vshymanskyy 0:58b20b438383 493 if (length) {
vshymanskyy 0:58b20b438383 494 BLYNK_DBG_DUMP("<", data, length);
vshymanskyy 0:58b20b438383 495 wlen += conn.write(data, length);
Volodymyr Shymanskyy 7:8879692d4e6c 496 ::delay(BLYNK_SEND_THROTTLE);
vshymanskyy 0:58b20b438383 497 }
vshymanskyy 0:58b20b438383 498 if (length2) {
vshymanskyy 0:58b20b438383 499 BLYNK_DBG_DUMP("<", data2, length2);
vshymanskyy 0:58b20b438383 500 wlen += conn.write(data2, length2);
Volodymyr Shymanskyy 7:8879692d4e6c 501 ::delay(BLYNK_SEND_THROTTLE);
vshymanskyy 0:58b20b438383 502 }
vshymanskyy 0:58b20b438383 503 }
vshymanskyy 0:58b20b438383 504
vshymanskyy 0:58b20b438383 505 #endif
vshymanskyy 0:58b20b438383 506
vshymanskyy 0:58b20b438383 507 if (wlen != full_length) {
vshymanskyy 0:58b20b438383 508 #ifdef BLYNK_DEBUG
vshymanskyy 0:58b20b438383 509 BLYNK_LOG4(BLYNK_F("Sent "), wlen, '/', full_length);
vshymanskyy 0:58b20b438383 510 #endif
Volodymyr Shymanskyy 14:76d8fd871a4d 511 internalReconnect();
vshymanskyy 0:58b20b438383 512 return;
vshymanskyy 0:58b20b438383 513 }
vshymanskyy 0:58b20b438383 514
Volodymyr Shymanskyy 9:7369ec77a3ea 515 const millis_time_t ts = this->getMillis();
vshymanskyy 0:58b20b438383 516 #if defined BLYNK_MSG_LIMIT && BLYNK_MSG_LIMIT > 0
vshymanskyy 0:58b20b438383 517 BlynkAverageSample<32>(deltaCmd, ts - lastActivityOut);
vshymanskyy 0:58b20b438383 518 //BLYNK_LOG2(BLYNK_F("Delta: "), deltaCmd);
vshymanskyy 0:58b20b438383 519 if (deltaCmd < (1000/BLYNK_MSG_LIMIT)) {
vshymanskyy 0:58b20b438383 520 BLYNK_LOG_TROUBLE(BLYNK_F("flood-error"));
Volodymyr Shymanskyy 14:76d8fd871a4d 521 internalReconnect();
vshymanskyy 0:58b20b438383 522 }
vshymanskyy 0:58b20b438383 523 #endif
Volodymyr Shymanskyy 9:7369ec77a3ea 524 lastActivityOut = ts;
vshymanskyy 0:58b20b438383 525
vshymanskyy 0:58b20b438383 526 }
vshymanskyy 0:58b20b438383 527
vshymanskyy 0:58b20b438383 528 template <class Transp>
vshymanskyy 0:58b20b438383 529 uint16_t BlynkProtocol<Transp>::getNextMsgId()
vshymanskyy 0:58b20b438383 530 {
Volodymyr Shymanskyy 14:76d8fd871a4d 531 if (msgIdOutOverride != 0)
Volodymyr Shymanskyy 14:76d8fd871a4d 532 return msgIdOutOverride;
Volodymyr Shymanskyy 14:76d8fd871a4d 533 if (++msgIdOut == 0)
Volodymyr Shymanskyy 14:76d8fd871a4d 534 msgIdOut = 1;
Volodymyr Shymanskyy 14:76d8fd871a4d 535 return msgIdOut;
vshymanskyy 0:58b20b438383 536 }
vshymanskyy 0:58b20b438383 537
vshymanskyy 0:58b20b438383 538 #endif