Xinlei Cao / Mbed 2 deprecated MbedSmartRestMain

Own fork of MbedSmartRestMain

Dependencies:   C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed

Fork of MbedSmartRestMain by Cumulocity Official

operation/PollThread.cpp@95:5dfdc8568e9f, 2015-04-27 (annotated)

Committer:
xinlei
Date:
Mon Apr 27 10:50:21 2015 +0000
Revision:
95:5dfdc8568e9f
Child:
98:e369fc75c000
LCDDisplay now is singleton

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xinlei 95:5dfdc8568e9f 1 #include <stdio.h>
xinlei 95:5dfdc8568e9f 2 #include <ctype.h>
xinlei 95:5dfdc8568e9f 3 #include "PollThread.h"
xinlei 95:5dfdc8568e9f 4 #include "lex.h"
xinlei 95:5dfdc8568e9f 5 #include "logging.h"
xinlei 95:5dfdc8568e9f 6
xinlei 95:5dfdc8568e9f 7 bool PollThread::handshake()
xinlei 95:5dfdc8568e9f 8 {
xinlei 95:5dfdc8568e9f 9 int l = snprintf(buf2, SMARRESTBODY_SIZE, "%s", "80\r\n");
xinlei 95:5dfdc8568e9f 10 l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2);
xinlei 95:5dfdc8568e9f 11 l = sock.sendAndReceive(buf, l, SMARTREST_SIZE);
xinlei 95:5dfdc8568e9f 12 if (l < 0)
xinlei 95:5dfdc8568e9f 13 return false;
xinlei 95:5dfdc8568e9f 14 size_t i = 0;
xinlei 95:5dfdc8568e9f 15 for (const char* p = skipHTTPHeader(buf); isalnum(*p); ++p, ++i) {
xinlei 95:5dfdc8568e9f 16 bayeuxId[i] = *p;
xinlei 95:5dfdc8568e9f 17 }
xinlei 95:5dfdc8568e9f 18 bayeuxId[i] = '\0';
xinlei 95:5dfdc8568e9f 19 return bayeuxId[0];
xinlei 95:5dfdc8568e9f 20 }
xinlei 95:5dfdc8568e9f 21
xinlei 95:5dfdc8568e9f 22 bool PollThread::subscribe()
xinlei 95:5dfdc8568e9f 23 {
xinlei 95:5dfdc8568e9f 24 int l = snprintf(buf2, SMARRESTBODY_SIZE, "81,%s,/%s\r\n", bayeuxId, chn);
xinlei 95:5dfdc8568e9f 25 l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2);
xinlei 95:5dfdc8568e9f 26 l = sock.sendAndReceive(buf, l, SMARTREST_SIZE);
xinlei 95:5dfdc8568e9f 27 return l>=0;
xinlei 95:5dfdc8568e9f 28 }
xinlei 95:5dfdc8568e9f 29
xinlei 95:5dfdc8568e9f 30 bool PollThread::connect()
xinlei 95:5dfdc8568e9f 31 {
xinlei 95:5dfdc8568e9f 32 int l = snprintf(buf2, SMARRESTBODY_SIZE, "83,%s\r\n", bayeuxId);
xinlei 95:5dfdc8568e9f 33 l = snprintf(buf, SMARTREST_SIZE, getSmartRestFmt(), uri, l, buf2);
xinlei 95:5dfdc8568e9f 34 l = sock.sendAndReceive(buf, l, SMARTREST_SIZE);
xinlei 95:5dfdc8568e9f 35 return l>=0;
xinlei 95:5dfdc8568e9f 36 }
xinlei 95:5dfdc8568e9f 37
xinlei 95:5dfdc8568e9f 38 void PollThread::threadFunc()
xinlei 95:5dfdc8568e9f 39 {
xinlei 95:5dfdc8568e9f 40 uint8_t state = 1;
xinlei 95:5dfdc8568e9f 41 aInfo("Poll thread: %p\n", Thread::gettid());
xinlei 95:5dfdc8568e9f 42 while (true) {
xinlei 95:5dfdc8568e9f 43 switch (state) {
xinlei 95:5dfdc8568e9f 44 case 1: if (!handshake()) {
xinlei 95:5dfdc8568e9f 45 aCritical("Poll: handshake fail!\n");
xinlei 95:5dfdc8568e9f 46 break;
xinlei 95:5dfdc8568e9f 47 }
xinlei 95:5dfdc8568e9f 48 case 2: if(!subscribe()) {
xinlei 95:5dfdc8568e9f 49 aCritical("Poll: subscribe fail!\n");
xinlei 95:5dfdc8568e9f 50 state = 1;
xinlei 95:5dfdc8568e9f 51 break;
xinlei 95:5dfdc8568e9f 52 }
xinlei 95:5dfdc8568e9f 53 case 3: if(!connect()) {
xinlei 95:5dfdc8568e9f 54 aCritical("Poll: connect fail!\n");
xinlei 95:5dfdc8568e9f 55 state = 1;
xinlei 95:5dfdc8568e9f 56 break;
xinlei 95:5dfdc8568e9f 57 }
xinlei 95:5dfdc8568e9f 58 default: parser.handleControlMessage(buf);
xinlei 95:5dfdc8568e9f 59 if (parser.getBayeuxAdvice() == BA_HANDSHAKE)
xinlei 95:5dfdc8568e9f 60 state = 1;
xinlei 95:5dfdc8568e9f 61 else
xinlei 95:5dfdc8568e9f 62 state = 3;
xinlei 95:5dfdc8568e9f 63 }
xinlei 95:5dfdc8568e9f 64 }
xinlei 95:5dfdc8568e9f 65 }