Blynk library for embedded hardware. Works with Arduino, ESP8266, Raspberry Pi, Intel Edison/Galileo, LinkIt ONE, Particle Core/Photon, Energia, ARM mbed, etc. http://www.blynk.cc/
Dependents: Blynk_RBL_BLE_Nano Blynk_MicroBit Blynk_Serial Blynk_RBL_BLE_Nano
Blynk/BlynkProtocol.h@0:58b20b438383, 2016-05-07 (annotated)
- Committer:
- vshymanskyy
- Date:
- Sat May 07 08:02:50 2016 +0000
- Revision:
- 0:58b20b438383
- Child:
- 3:31e4b850b126
First commit
Who changed what in which revision?
User | Revision | Line number | New 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) |
vshymanskyy | 0:58b20b438383 | 36 | , lastActivityIn(0) |
vshymanskyy | 0:58b20b438383 | 37 | , lastActivityOut(0) |
vshymanskyy | 0:58b20b438383 | 38 | , lastHeartbeat(0) |
vshymanskyy | 0:58b20b438383 | 39 | #ifdef BLYNK_MSG_LIMIT |
vshymanskyy | 0:58b20b438383 | 40 | , deltaCmd(0) |
vshymanskyy | 0:58b20b438383 | 41 | #endif |
vshymanskyy | 0:58b20b438383 | 42 | , currentMsgId(0) |
vshymanskyy | 0:58b20b438383 | 43 | , state(CONNECTING) |
vshymanskyy | 0:58b20b438383 | 44 | {} |
vshymanskyy | 0:58b20b438383 | 45 | |
vshymanskyy | 0:58b20b438383 | 46 | bool connected() { return state == CONNECTED; } |
vshymanskyy | 0:58b20b438383 | 47 | |
vshymanskyy | 0:58b20b438383 | 48 | bool connect(uint32_t timeout = BLYNK_TIMEOUT_MS*3) { |
vshymanskyy | 0:58b20b438383 | 49 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 50 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 51 | millis_time_t started = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 52 | while ((state != CONNECTED) && |
vshymanskyy | 0:58b20b438383 | 53 | (this->getMillis() - started < timeout)) |
vshymanskyy | 0:58b20b438383 | 54 | { |
vshymanskyy | 0:58b20b438383 | 55 | run(); |
vshymanskyy | 0:58b20b438383 | 56 | } |
vshymanskyy | 0:58b20b438383 | 57 | return state == CONNECTED; |
vshymanskyy | 0:58b20b438383 | 58 | } |
vshymanskyy | 0:58b20b438383 | 59 | |
vshymanskyy | 0:58b20b438383 | 60 | void disconnect() { |
vshymanskyy | 0:58b20b438383 | 61 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 62 | state = DISCONNECTED; |
vshymanskyy | 0:58b20b438383 | 63 | BLYNK_LOG1(BLYNK_F("Disconnected")); |
vshymanskyy | 0:58b20b438383 | 64 | } |
vshymanskyy | 0:58b20b438383 | 65 | |
vshymanskyy | 0:58b20b438383 | 66 | bool run(bool avail = false); |
vshymanskyy | 0:58b20b438383 | 67 | |
vshymanskyy | 0:58b20b438383 | 68 | void startSession() { |
vshymanskyy | 0:58b20b438383 | 69 | //TODO: conn.connect(); |
vshymanskyy | 0:58b20b438383 | 70 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 71 | #ifdef BLYNK_MSG_LIMIT |
vshymanskyy | 0:58b20b438383 | 72 | deltaCmd = 1000; |
vshymanskyy | 0:58b20b438383 | 73 | #endif |
vshymanskyy | 0:58b20b438383 | 74 | currentMsgId = 0; |
vshymanskyy | 0:58b20b438383 | 75 | lastHeartbeat = lastActivityIn = lastActivityOut = this->getMillis(); // TODO: - 5005UL |
vshymanskyy | 0:58b20b438383 | 76 | } |
vshymanskyy | 0:58b20b438383 | 77 | |
vshymanskyy | 0:58b20b438383 | 78 | 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 | 79 | |
vshymanskyy | 0:58b20b438383 | 80 | private: |
vshymanskyy | 0:58b20b438383 | 81 | int readHeader(BlynkHeader& hdr); |
vshymanskyy | 0:58b20b438383 | 82 | uint16_t getNextMsgId(); |
vshymanskyy | 0:58b20b438383 | 83 | |
vshymanskyy | 0:58b20b438383 | 84 | protected: |
vshymanskyy | 0:58b20b438383 | 85 | void begin(const char* auth) { |
vshymanskyy | 0:58b20b438383 | 86 | BLYNK_LOG1(BLYNK_F("Blynk v" BLYNK_VERSION " on " BLYNK_INFO_DEVICE)); |
vshymanskyy | 0:58b20b438383 | 87 | this->authkey = auth; |
vshymanskyy | 0:58b20b438383 | 88 | } |
vshymanskyy | 0:58b20b438383 | 89 | bool processInput(void); |
vshymanskyy | 0:58b20b438383 | 90 | |
vshymanskyy | 0:58b20b438383 | 91 | Transp& conn; |
vshymanskyy | 0:58b20b438383 | 92 | |
vshymanskyy | 0:58b20b438383 | 93 | private: |
vshymanskyy | 0:58b20b438383 | 94 | const char* authkey; |
vshymanskyy | 0:58b20b438383 | 95 | millis_time_t lastActivityIn; |
vshymanskyy | 0:58b20b438383 | 96 | millis_time_t lastActivityOut; |
vshymanskyy | 0:58b20b438383 | 97 | union { |
vshymanskyy | 0:58b20b438383 | 98 | millis_time_t lastHeartbeat; |
vshymanskyy | 0:58b20b438383 | 99 | millis_time_t lastLogin; |
vshymanskyy | 0:58b20b438383 | 100 | }; |
vshymanskyy | 0:58b20b438383 | 101 | #ifdef BLYNK_MSG_LIMIT |
vshymanskyy | 0:58b20b438383 | 102 | millis_time_t deltaCmd; |
vshymanskyy | 0:58b20b438383 | 103 | #endif |
vshymanskyy | 0:58b20b438383 | 104 | uint16_t currentMsgId; |
vshymanskyy | 0:58b20b438383 | 105 | BlynkState state; |
vshymanskyy | 0:58b20b438383 | 106 | }; |
vshymanskyy | 0:58b20b438383 | 107 | |
vshymanskyy | 0:58b20b438383 | 108 | template <class Transp> |
vshymanskyy | 0:58b20b438383 | 109 | bool BlynkProtocol<Transp>::run(bool avail) |
vshymanskyy | 0:58b20b438383 | 110 | { |
vshymanskyy | 0:58b20b438383 | 111 | #if !defined(BLYNK_NO_YIELD) |
vshymanskyy | 0:58b20b438383 | 112 | yield(); |
vshymanskyy | 0:58b20b438383 | 113 | #endif |
vshymanskyy | 0:58b20b438383 | 114 | |
vshymanskyy | 0:58b20b438383 | 115 | if (state == DISCONNECTED) { |
vshymanskyy | 0:58b20b438383 | 116 | return false; |
vshymanskyy | 0:58b20b438383 | 117 | } |
vshymanskyy | 0:58b20b438383 | 118 | |
vshymanskyy | 0:58b20b438383 | 119 | const bool tconn = conn.connected(); |
vshymanskyy | 0:58b20b438383 | 120 | |
vshymanskyy | 0:58b20b438383 | 121 | if (tconn) { |
vshymanskyy | 0:58b20b438383 | 122 | if (avail || conn.available() > 0) { |
vshymanskyy | 0:58b20b438383 | 123 | //BLYNK_LOG2(BLYNK_F("Available: "), conn.available()); |
vshymanskyy | 0:58b20b438383 | 124 | //const unsigned long t = micros(); |
vshymanskyy | 0:58b20b438383 | 125 | if (!processInput()) { |
vshymanskyy | 0:58b20b438383 | 126 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 127 | // TODO: Only when in direct mode? |
vshymanskyy | 0:58b20b438383 | 128 | #ifdef BLYNK_USE_DIRECT_CONNECT |
vshymanskyy | 0:58b20b438383 | 129 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 130 | #endif |
vshymanskyy | 0:58b20b438383 | 131 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 132 | return false; |
vshymanskyy | 0:58b20b438383 | 133 | } |
vshymanskyy | 0:58b20b438383 | 134 | //BLYNK_LOG2(BLYNK_F("Proc time: "), micros() - t); |
vshymanskyy | 0:58b20b438383 | 135 | } |
vshymanskyy | 0:58b20b438383 | 136 | } |
vshymanskyy | 0:58b20b438383 | 137 | |
vshymanskyy | 0:58b20b438383 | 138 | const millis_time_t t = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 139 | |
vshymanskyy | 0:58b20b438383 | 140 | if (state == CONNECTED) { |
vshymanskyy | 0:58b20b438383 | 141 | if (!tconn) { |
vshymanskyy | 0:58b20b438383 | 142 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 143 | lastHeartbeat = t; |
vshymanskyy | 0:58b20b438383 | 144 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 145 | return false; |
vshymanskyy | 0:58b20b438383 | 146 | } |
vshymanskyy | 0:58b20b438383 | 147 | |
vshymanskyy | 0:58b20b438383 | 148 | if (t - lastActivityIn > (1000UL * BLYNK_HEARTBEAT + BLYNK_TIMEOUT_MS*3)) { |
vshymanskyy | 0:58b20b438383 | 149 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 150 | BLYNK_LOG6(BLYNK_F("Heartbeat timeout: "), t, BLYNK_F(", "), lastActivityIn, BLYNK_F(", "), lastHeartbeat); |
vshymanskyy | 0:58b20b438383 | 151 | #else |
vshymanskyy | 0:58b20b438383 | 152 | BLYNK_LOG1(BLYNK_F("Heartbeat timeout")); |
vshymanskyy | 0:58b20b438383 | 153 | #endif |
vshymanskyy | 0:58b20b438383 | 154 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 155 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 156 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 157 | return false; |
vshymanskyy | 0:58b20b438383 | 158 | } else if ((t - lastActivityIn > 1000UL * BLYNK_HEARTBEAT || |
vshymanskyy | 0:58b20b438383 | 159 | t - lastActivityOut > 1000UL * BLYNK_HEARTBEAT) && |
vshymanskyy | 0:58b20b438383 | 160 | t - lastHeartbeat > BLYNK_TIMEOUT_MS) |
vshymanskyy | 0:58b20b438383 | 161 | { |
vshymanskyy | 0:58b20b438383 | 162 | // Send ping if we didn't either send or receive something |
vshymanskyy | 0:58b20b438383 | 163 | // for BLYNK_HEARTBEAT seconds |
vshymanskyy | 0:58b20b438383 | 164 | sendCmd(BLYNK_CMD_PING); |
vshymanskyy | 0:58b20b438383 | 165 | lastHeartbeat = t; |
vshymanskyy | 0:58b20b438383 | 166 | } |
vshymanskyy | 0:58b20b438383 | 167 | #ifndef BLYNK_USE_DIRECT_CONNECT |
vshymanskyy | 0:58b20b438383 | 168 | } else if (state == CONNECTING) { |
vshymanskyy | 0:58b20b438383 | 169 | if (tconn && (t - lastLogin > BLYNK_TIMEOUT_MS)) { |
vshymanskyy | 0:58b20b438383 | 170 | BLYNK_LOG1(BLYNK_F("Login timeout")); |
vshymanskyy | 0:58b20b438383 | 171 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 172 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 173 | return false; |
vshymanskyy | 0:58b20b438383 | 174 | } else if (!tconn && (t - lastLogin > 5000UL)) { |
vshymanskyy | 0:58b20b438383 | 175 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 176 | if (!conn.connect()) { |
vshymanskyy | 0:58b20b438383 | 177 | lastLogin = t; |
vshymanskyy | 0:58b20b438383 | 178 | return false; |
vshymanskyy | 0:58b20b438383 | 179 | } |
vshymanskyy | 0:58b20b438383 | 180 | |
vshymanskyy | 0:58b20b438383 | 181 | #ifdef BLYNK_MSG_LIMIT |
vshymanskyy | 0:58b20b438383 | 182 | deltaCmd = 1000; |
vshymanskyy | 0:58b20b438383 | 183 | #endif |
vshymanskyy | 0:58b20b438383 | 184 | sendCmd(BLYNK_CMD_LOGIN, 1, authkey, strlen(authkey)); |
vshymanskyy | 0:58b20b438383 | 185 | lastLogin = lastActivityOut; |
vshymanskyy | 0:58b20b438383 | 186 | return true; |
vshymanskyy | 0:58b20b438383 | 187 | } |
vshymanskyy | 0:58b20b438383 | 188 | #endif |
vshymanskyy | 0:58b20b438383 | 189 | } |
vshymanskyy | 0:58b20b438383 | 190 | return true; |
vshymanskyy | 0:58b20b438383 | 191 | } |
vshymanskyy | 0:58b20b438383 | 192 | |
vshymanskyy | 0:58b20b438383 | 193 | template <class Transp> |
vshymanskyy | 0:58b20b438383 | 194 | BLYNK_FORCE_INLINE |
vshymanskyy | 0:58b20b438383 | 195 | bool BlynkProtocol<Transp>::processInput(void) |
vshymanskyy | 0:58b20b438383 | 196 | { |
vshymanskyy | 0:58b20b438383 | 197 | BlynkHeader hdr; |
vshymanskyy | 0:58b20b438383 | 198 | const int ret = readHeader(hdr); |
vshymanskyy | 0:58b20b438383 | 199 | |
vshymanskyy | 0:58b20b438383 | 200 | if (ret == 0) { |
vshymanskyy | 0:58b20b438383 | 201 | return true; // Considered OK (no data on input) |
vshymanskyy | 0:58b20b438383 | 202 | } |
vshymanskyy | 0:58b20b438383 | 203 | |
vshymanskyy | 0:58b20b438383 | 204 | if (ret < 0 || hdr.msg_id == 0) { |
vshymanskyy | 0:58b20b438383 | 205 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 206 | BLYNK_LOG1(BLYNK_F("Wrong header on input")); |
vshymanskyy | 0:58b20b438383 | 207 | #endif |
vshymanskyy | 0:58b20b438383 | 208 | return false; |
vshymanskyy | 0:58b20b438383 | 209 | } |
vshymanskyy | 0:58b20b438383 | 210 | |
vshymanskyy | 0:58b20b438383 | 211 | if (hdr.type == BLYNK_CMD_RESPONSE) { |
vshymanskyy | 0:58b20b438383 | 212 | lastActivityIn = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 213 | |
vshymanskyy | 0:58b20b438383 | 214 | #ifndef BLYNK_USE_DIRECT_CONNECT |
vshymanskyy | 0:58b20b438383 | 215 | if (state == CONNECTING && (1 == hdr.msg_id)) { |
vshymanskyy | 0:58b20b438383 | 216 | switch (hdr.length) { |
vshymanskyy | 0:58b20b438383 | 217 | case BLYNK_SUCCESS: |
vshymanskyy | 0:58b20b438383 | 218 | case BLYNK_ALREADY_LOGGED_IN: |
vshymanskyy | 0:58b20b438383 | 219 | BLYNK_LOG3(BLYNK_F("Ready (ping: "), lastActivityIn-lastHeartbeat, BLYNK_F("ms).")); |
vshymanskyy | 0:58b20b438383 | 220 | lastHeartbeat = lastActivityIn; |
vshymanskyy | 0:58b20b438383 | 221 | state = CONNECTED; |
vshymanskyy | 0:58b20b438383 | 222 | this->sendInfo(); |
vshymanskyy | 0:58b20b438383 | 223 | #if !defined(BLYNK_NO_YIELD) |
vshymanskyy | 0:58b20b438383 | 224 | yield(); |
vshymanskyy | 0:58b20b438383 | 225 | #endif |
vshymanskyy | 0:58b20b438383 | 226 | BlynkOnConnected(); |
vshymanskyy | 0:58b20b438383 | 227 | return true; |
vshymanskyy | 0:58b20b438383 | 228 | case BLYNK_INVALID_TOKEN: |
vshymanskyy | 0:58b20b438383 | 229 | BLYNK_LOG1(BLYNK_F("Invalid auth token")); |
vshymanskyy | 0:58b20b438383 | 230 | break; |
vshymanskyy | 0:58b20b438383 | 231 | default: |
vshymanskyy | 0:58b20b438383 | 232 | BLYNK_LOG2(BLYNK_F("Connect failed. code: "), hdr.length); |
vshymanskyy | 0:58b20b438383 | 233 | } |
vshymanskyy | 0:58b20b438383 | 234 | return false; |
vshymanskyy | 0:58b20b438383 | 235 | } |
vshymanskyy | 0:58b20b438383 | 236 | if (BLYNK_NOT_AUTHENTICATED == hdr.length) { |
vshymanskyy | 0:58b20b438383 | 237 | return false; |
vshymanskyy | 0:58b20b438383 | 238 | } |
vshymanskyy | 0:58b20b438383 | 239 | #endif |
vshymanskyy | 0:58b20b438383 | 240 | // TODO: return code may indicate App presence |
vshymanskyy | 0:58b20b438383 | 241 | return true; |
vshymanskyy | 0:58b20b438383 | 242 | } |
vshymanskyy | 0:58b20b438383 | 243 | |
vshymanskyy | 0:58b20b438383 | 244 | if (hdr.length > BLYNK_MAX_READBYTES) { |
vshymanskyy | 0:58b20b438383 | 245 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 246 | BLYNK_LOG2(BLYNK_F("Packet too big: "), hdr.length); |
vshymanskyy | 0:58b20b438383 | 247 | #endif |
vshymanskyy | 0:58b20b438383 | 248 | return false; |
vshymanskyy | 0:58b20b438383 | 249 | } |
vshymanskyy | 0:58b20b438383 | 250 | |
vshymanskyy | 0:58b20b438383 | 251 | uint8_t inputBuffer[hdr.length+1]; // Add 1 to zero-terminate |
vshymanskyy | 0:58b20b438383 | 252 | if (hdr.length != conn.read(inputBuffer, hdr.length)) { |
vshymanskyy | 0:58b20b438383 | 253 | #ifdef DEBUG |
vshymanskyy | 0:58b20b438383 | 254 | BLYNK_LOG1(BLYNK_F("Can't read body")); |
vshymanskyy | 0:58b20b438383 | 255 | #endif |
vshymanskyy | 0:58b20b438383 | 256 | return false; |
vshymanskyy | 0:58b20b438383 | 257 | } |
vshymanskyy | 0:58b20b438383 | 258 | inputBuffer[hdr.length] = '\0'; |
vshymanskyy | 0:58b20b438383 | 259 | |
vshymanskyy | 0:58b20b438383 | 260 | BLYNK_DBG_DUMP(">", inputBuffer, hdr.length); |
vshymanskyy | 0:58b20b438383 | 261 | |
vshymanskyy | 0:58b20b438383 | 262 | lastActivityIn = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 263 | |
vshymanskyy | 0:58b20b438383 | 264 | switch (hdr.type) |
vshymanskyy | 0:58b20b438383 | 265 | { |
vshymanskyy | 0:58b20b438383 | 266 | #ifdef BLYNK_USE_DIRECT_CONNECT |
vshymanskyy | 0:58b20b438383 | 267 | case BLYNK_CMD_LOGIN: { |
vshymanskyy | 0:58b20b438383 | 268 | if (!strncmp(authkey, (char*)inputBuffer, 32)) { |
vshymanskyy | 0:58b20b438383 | 269 | state = CONNECTED; |
vshymanskyy | 0:58b20b438383 | 270 | sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_SUCCESS); |
vshymanskyy | 0:58b20b438383 | 271 | this->sendInfo(); |
vshymanskyy | 0:58b20b438383 | 272 | } else { |
vshymanskyy | 0:58b20b438383 | 273 | sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_INVALID_TOKEN); |
vshymanskyy | 0:58b20b438383 | 274 | } |
vshymanskyy | 0:58b20b438383 | 275 | } break; |
vshymanskyy | 0:58b20b438383 | 276 | #endif |
vshymanskyy | 0:58b20b438383 | 277 | case BLYNK_CMD_PING: { |
vshymanskyy | 0:58b20b438383 | 278 | sendCmd(BLYNK_CMD_RESPONSE, hdr.msg_id, NULL, BLYNK_SUCCESS); |
vshymanskyy | 0:58b20b438383 | 279 | } break; |
vshymanskyy | 0:58b20b438383 | 280 | case BLYNK_CMD_HARDWARE: |
vshymanskyy | 0:58b20b438383 | 281 | case BLYNK_CMD_BRIDGE: { |
vshymanskyy | 0:58b20b438383 | 282 | currentMsgId = hdr.msg_id; |
vshymanskyy | 0:58b20b438383 | 283 | this->processCmd(inputBuffer, hdr.length); |
vshymanskyy | 0:58b20b438383 | 284 | currentMsgId = 0; |
vshymanskyy | 0:58b20b438383 | 285 | } break; |
vshymanskyy | 0:58b20b438383 | 286 | default: { |
vshymanskyy | 0:58b20b438383 | 287 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 288 | BLYNK_LOG2(BLYNK_F("Invalid header type: "), hdr.type); |
vshymanskyy | 0:58b20b438383 | 289 | #endif |
vshymanskyy | 0:58b20b438383 | 290 | } break; |
vshymanskyy | 0:58b20b438383 | 291 | } |
vshymanskyy | 0:58b20b438383 | 292 | |
vshymanskyy | 0:58b20b438383 | 293 | return true; |
vshymanskyy | 0:58b20b438383 | 294 | } |
vshymanskyy | 0:58b20b438383 | 295 | |
vshymanskyy | 0:58b20b438383 | 296 | template <class Transp> |
vshymanskyy | 0:58b20b438383 | 297 | int BlynkProtocol<Transp>::readHeader(BlynkHeader& hdr) |
vshymanskyy | 0:58b20b438383 | 298 | { |
vshymanskyy | 0:58b20b438383 | 299 | size_t rlen = conn.read(&hdr, sizeof(hdr)); |
vshymanskyy | 0:58b20b438383 | 300 | if (rlen == 0) { |
vshymanskyy | 0:58b20b438383 | 301 | return 0; |
vshymanskyy | 0:58b20b438383 | 302 | } |
vshymanskyy | 0:58b20b438383 | 303 | |
vshymanskyy | 0:58b20b438383 | 304 | if (sizeof(hdr) != rlen) { |
vshymanskyy | 0:58b20b438383 | 305 | return -1; |
vshymanskyy | 0:58b20b438383 | 306 | } |
vshymanskyy | 0:58b20b438383 | 307 | hdr.msg_id = ntohs(hdr.msg_id); |
vshymanskyy | 0:58b20b438383 | 308 | hdr.length = ntohs(hdr.length); |
vshymanskyy | 0:58b20b438383 | 309 | |
vshymanskyy | 0:58b20b438383 | 310 | BLYNK_DBG_DUMP(">", &hdr, sizeof(BlynkHeader)); |
vshymanskyy | 0:58b20b438383 | 311 | return rlen; |
vshymanskyy | 0:58b20b438383 | 312 | } |
vshymanskyy | 0:58b20b438383 | 313 | |
vshymanskyy | 0:58b20b438383 | 314 | #ifndef BLYNK_SEND_THROTTLE |
vshymanskyy | 0:58b20b438383 | 315 | #define BLYNK_SEND_THROTTLE 0 |
vshymanskyy | 0:58b20b438383 | 316 | #endif |
vshymanskyy | 0:58b20b438383 | 317 | |
vshymanskyy | 0:58b20b438383 | 318 | #ifndef BLYNK_SEND_CHUNK |
vshymanskyy | 0:58b20b438383 | 319 | #define BLYNK_SEND_CHUNK 1024 // Just a big number |
vshymanskyy | 0:58b20b438383 | 320 | #endif |
vshymanskyy | 0:58b20b438383 | 321 | |
vshymanskyy | 0:58b20b438383 | 322 | template <class Transp> |
vshymanskyy | 0:58b20b438383 | 323 | 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 | 324 | { |
vshymanskyy | 0:58b20b438383 | 325 | if (0 == id) { |
vshymanskyy | 0:58b20b438383 | 326 | id = getNextMsgId(); |
vshymanskyy | 0:58b20b438383 | 327 | } |
vshymanskyy | 0:58b20b438383 | 328 | |
vshymanskyy | 0:58b20b438383 | 329 | if (!conn.connected() || (cmd != BLYNK_CMD_RESPONSE && cmd != BLYNK_CMD_PING && cmd != BLYNK_CMD_LOGIN && state != CONNECTED) ) { |
vshymanskyy | 0:58b20b438383 | 330 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 331 | BLYNK_LOG2(BLYNK_F("Cmd skipped:"), cmd); |
vshymanskyy | 0:58b20b438383 | 332 | #endif |
vshymanskyy | 0:58b20b438383 | 333 | return; |
vshymanskyy | 0:58b20b438383 | 334 | } |
vshymanskyy | 0:58b20b438383 | 335 | |
vshymanskyy | 0:58b20b438383 | 336 | const int full_length = (sizeof(BlynkHeader)) + |
vshymanskyy | 0:58b20b438383 | 337 | (data ? length : 0) + |
vshymanskyy | 0:58b20b438383 | 338 | (data2 ? length2 : 0); |
vshymanskyy | 0:58b20b438383 | 339 | |
vshymanskyy | 0:58b20b438383 | 340 | #if defined(BLYNK_SEND_ATOMIC) || defined(ESP8266) || defined(SPARK) || defined(PARTICLE) || defined(ENERGIA) |
vshymanskyy | 0:58b20b438383 | 341 | // Those have more RAM and like single write at a time... |
vshymanskyy | 0:58b20b438383 | 342 | |
vshymanskyy | 0:58b20b438383 | 343 | uint8_t buff[full_length]; |
vshymanskyy | 0:58b20b438383 | 344 | |
vshymanskyy | 0:58b20b438383 | 345 | BlynkHeader* hdr = (BlynkHeader*)buff; |
vshymanskyy | 0:58b20b438383 | 346 | hdr->type = cmd; |
vshymanskyy | 0:58b20b438383 | 347 | hdr->msg_id = htons(id); |
vshymanskyy | 0:58b20b438383 | 348 | hdr->length = htons(length+length2); |
vshymanskyy | 0:58b20b438383 | 349 | |
vshymanskyy | 0:58b20b438383 | 350 | size_t pos = sizeof(BlynkHeader); |
vshymanskyy | 0:58b20b438383 | 351 | if (data && length) { |
vshymanskyy | 0:58b20b438383 | 352 | memcpy(buff + pos, data, length); |
vshymanskyy | 0:58b20b438383 | 353 | pos += length; |
vshymanskyy | 0:58b20b438383 | 354 | } |
vshymanskyy | 0:58b20b438383 | 355 | if (data2 && length2) { |
vshymanskyy | 0:58b20b438383 | 356 | memcpy(buff + pos, data2, length2); |
vshymanskyy | 0:58b20b438383 | 357 | } |
vshymanskyy | 0:58b20b438383 | 358 | |
vshymanskyy | 0:58b20b438383 | 359 | size_t wlen = 0; |
vshymanskyy | 0:58b20b438383 | 360 | while (wlen < full_length) { |
vshymanskyy | 0:58b20b438383 | 361 | const size_t chunk = BlynkMin(size_t(BLYNK_SEND_CHUNK), full_length - wlen); |
vshymanskyy | 0:58b20b438383 | 362 | BLYNK_DBG_DUMP("<", buff + wlen, chunk); |
vshymanskyy | 0:58b20b438383 | 363 | const size_t w = conn.write(buff + wlen, chunk); |
vshymanskyy | 0:58b20b438383 | 364 | delay(BLYNK_SEND_THROTTLE); |
vshymanskyy | 0:58b20b438383 | 365 | if (w == 0) { |
vshymanskyy | 0:58b20b438383 | 366 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 367 | BLYNK_LOG1(BLYNK_F("Cmd error")); |
vshymanskyy | 0:58b20b438383 | 368 | #endif |
vshymanskyy | 0:58b20b438383 | 369 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 370 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 371 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 372 | return; |
vshymanskyy | 0:58b20b438383 | 373 | } |
vshymanskyy | 0:58b20b438383 | 374 | wlen += w; |
vshymanskyy | 0:58b20b438383 | 375 | } |
vshymanskyy | 0:58b20b438383 | 376 | |
vshymanskyy | 0:58b20b438383 | 377 | #else |
vshymanskyy | 0:58b20b438383 | 378 | |
vshymanskyy | 0:58b20b438383 | 379 | BlynkHeader hdr; |
vshymanskyy | 0:58b20b438383 | 380 | hdr.type = cmd; |
vshymanskyy | 0:58b20b438383 | 381 | hdr.msg_id = htons(id); |
vshymanskyy | 0:58b20b438383 | 382 | hdr.length = htons(length+length2); |
vshymanskyy | 0:58b20b438383 | 383 | |
vshymanskyy | 0:58b20b438383 | 384 | BLYNK_DBG_DUMP("<", &hdr, sizeof(hdr)); |
vshymanskyy | 0:58b20b438383 | 385 | size_t wlen = conn.write(&hdr, sizeof(hdr)); |
vshymanskyy | 0:58b20b438383 | 386 | delay(BLYNK_SEND_THROTTLE); |
vshymanskyy | 0:58b20b438383 | 387 | |
vshymanskyy | 0:58b20b438383 | 388 | if (cmd != BLYNK_CMD_RESPONSE) { |
vshymanskyy | 0:58b20b438383 | 389 | if (length) { |
vshymanskyy | 0:58b20b438383 | 390 | BLYNK_DBG_DUMP("<", data, length); |
vshymanskyy | 0:58b20b438383 | 391 | wlen += conn.write(data, length); |
vshymanskyy | 0:58b20b438383 | 392 | delay(BLYNK_SEND_THROTTLE); |
vshymanskyy | 0:58b20b438383 | 393 | } |
vshymanskyy | 0:58b20b438383 | 394 | if (length2) { |
vshymanskyy | 0:58b20b438383 | 395 | BLYNK_DBG_DUMP("<", data2, length2); |
vshymanskyy | 0:58b20b438383 | 396 | wlen += conn.write(data2, length2); |
vshymanskyy | 0:58b20b438383 | 397 | delay(BLYNK_SEND_THROTTLE); |
vshymanskyy | 0:58b20b438383 | 398 | } |
vshymanskyy | 0:58b20b438383 | 399 | } |
vshymanskyy | 0:58b20b438383 | 400 | |
vshymanskyy | 0:58b20b438383 | 401 | #endif |
vshymanskyy | 0:58b20b438383 | 402 | |
vshymanskyy | 0:58b20b438383 | 403 | if (wlen != full_length) { |
vshymanskyy | 0:58b20b438383 | 404 | #ifdef BLYNK_DEBUG |
vshymanskyy | 0:58b20b438383 | 405 | BLYNK_LOG4(BLYNK_F("Sent "), wlen, '/', full_length); |
vshymanskyy | 0:58b20b438383 | 406 | #endif |
vshymanskyy | 0:58b20b438383 | 407 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 408 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 409 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 410 | return; |
vshymanskyy | 0:58b20b438383 | 411 | } |
vshymanskyy | 0:58b20b438383 | 412 | |
vshymanskyy | 0:58b20b438383 | 413 | #if defined BLYNK_MSG_LIMIT && BLYNK_MSG_LIMIT > 0 |
vshymanskyy | 0:58b20b438383 | 414 | const millis_time_t ts = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 415 | BlynkAverageSample<32>(deltaCmd, ts - lastActivityOut); |
vshymanskyy | 0:58b20b438383 | 416 | lastActivityOut = ts; |
vshymanskyy | 0:58b20b438383 | 417 | //BLYNK_LOG2(BLYNK_F("Delta: "), deltaCmd); |
vshymanskyy | 0:58b20b438383 | 418 | if (deltaCmd < (1000/BLYNK_MSG_LIMIT)) { |
vshymanskyy | 0:58b20b438383 | 419 | BLYNK_LOG_TROUBLE(BLYNK_F("flood-error")); |
vshymanskyy | 0:58b20b438383 | 420 | conn.disconnect(); |
vshymanskyy | 0:58b20b438383 | 421 | state = CONNECTING; |
vshymanskyy | 0:58b20b438383 | 422 | //BlynkOnDisconnected(); |
vshymanskyy | 0:58b20b438383 | 423 | } |
vshymanskyy | 0:58b20b438383 | 424 | #else |
vshymanskyy | 0:58b20b438383 | 425 | lastActivityOut = this->getMillis(); |
vshymanskyy | 0:58b20b438383 | 426 | #endif |
vshymanskyy | 0:58b20b438383 | 427 | |
vshymanskyy | 0:58b20b438383 | 428 | } |
vshymanskyy | 0:58b20b438383 | 429 | |
vshymanskyy | 0:58b20b438383 | 430 | template <class Transp> |
vshymanskyy | 0:58b20b438383 | 431 | uint16_t BlynkProtocol<Transp>::getNextMsgId() |
vshymanskyy | 0:58b20b438383 | 432 | { |
vshymanskyy | 0:58b20b438383 | 433 | static uint16_t last = 0; |
vshymanskyy | 0:58b20b438383 | 434 | if (currentMsgId != 0) |
vshymanskyy | 0:58b20b438383 | 435 | return currentMsgId; |
vshymanskyy | 0:58b20b438383 | 436 | if (++last == 0) |
vshymanskyy | 0:58b20b438383 | 437 | last = 1; |
vshymanskyy | 0:58b20b438383 | 438 | return last; |
vshymanskyy | 0:58b20b438383 | 439 | } |
vshymanskyy | 0:58b20b438383 | 440 | |
vshymanskyy | 0:58b20b438383 | 441 | #endif |