Own fork of MbedSmartRestMain
Dependencies: C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed
Fork of MbedSmartRestMain by
operation/PollThread.cpp
- Committer:
- xinlei
- Date:
- 2015-05-13
- Revision:
- 106:fc5f25f0e0d5
- Parent:
- 105:c61f0d62b625
- Child:
- 107:f1ee3e1eb126
File content as of revision 106:fc5f25f0e0d5:
#include <stdio.h> #include <ctype.h> #include "PollThread.h" #include "lex.h" #include "logging.h" bool PollThread::handshake() { int l = snprintf(buf2, sizeof(buf2), "%s", "80\r\n"); l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); sock.setBlocking(3000); l = sock.sendAndReceive(buf, l, sizeof(buf)); 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 PollThread::subscribe() { int l = snprintf(buf2, sizeof(buf2), "81,%s,%s\r\n", bayeuxId, chn); l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); sock.setBlocking(3000); l = sock.sendOnly(buf, l); return l>=0; } bool PollThread::connect() { int l = snprintf(buf2, sizeof(buf2), "83,%s\r\n", bayeuxId); l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); sock.setBlocking(-1); l = sock.sendAndReceive(buf, l, sizeof(buf)); return l>=0; } void PollThread::threadFunc() { unsigned short state = 1; 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.parse(buf); if (parser.getBayeuxAdvice() == BA_HANDSHAKE) state = 1; else state = 3; } } }