Official reference client implementation for Cumulocity SmartREST on u-blox C027.
Dependencies: C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed
Fork of MbedSmartRestMain by
operation/PollingThread.cpp
- Committer:
- xinlei
- Date:
- 2015-04-20
- Revision:
- 94:61d44636f020
File content as of revision 94:61d44636f020:
#include <stdio.h> #include <ctype.h> #include "PollingThread.h" #include "lex.h" #include "logging.h" bool PollingThread::handshake() { int l = snprintf(buf2, SMARRESTBODY_SIZE, "%s", "80\r\n"); l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2); l = sock.sendAndReceive(buf, l, SMARTREST_SIZE); if (l < 0) return false; size_t i = 0; for (const char* p = skipHTTPHeader(buf); isalnum(*p); ++p, ++i) { bayeuxId[i] = *p; } bayeuxId[i] = '\0'; return bayeuxId[0]; } bool PollingThread::subscribe() { int l = snprintf(buf2, SMARRESTBODY_SIZE, "81,%s,/%s\r\n", bayeuxId, chn); l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2); l = sock.sendAndReceive(buf, l, SMARTREST_SIZE); return l>=0; } bool PollingThread::connect() { int l = snprintf(buf2, SMARRESTBODY_SIZE, "83,%s\r\n", bayeuxId); l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2); l = sock.sendAndReceive(buf, l, SMARTREST_SIZE); return l>=0; } void PollingThread::threadFunc() { uint8_t state = 1; aInfo("Polling thread: %p\n", Thread::gettid()); while (true) { switch (state) { case 1: if (!handshake()) { aCritical("Poll: handshake fail!\n"); break; } case 2: if(!subscribe()) { aCritical("Poll: subscribe fail!\n"); state = 1; break; } case 3: if(!connect()) { aCritical("Poll: connect fail!\n"); state = 1; break; } default: parser.handleControlMessage(buf); if (parser.getBayeuxAdvice() == BA_HANDSHAKE) state = 1; else state = 3; } } }