Own fork of MbedSmartRestMain
Dependencies: C027_Support C12832 LM75B MMA7660 MbedSmartRest mbed-rtos mbed
Fork of MbedSmartRestMain by
operation/PollThread.cpp@126:871e6eb0fa76, 2015-06-01 (annotated)
- Committer:
- xinlei
- Date:
- Mon Jun 01 13:01:11 2015 +0000
- Revision:
- 126:871e6eb0fa76
- Parent:
- 125:e1fcf720c63a
- Child:
- 129:dc9e37d4bc05
polling: timeout for long polling set to 610 seconds
Who changed what in which revision?
User | Revision | Line number | New 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 "logging.h" |
xinlei | 95:5dfdc8568e9f | 5 | |
xinlei | 125:e1fcf720c63a | 6 | static size_t _volSend = 0; |
xinlei | 125:e1fcf720c63a | 7 | static size_t _volRecv = 0; |
xinlei | 125:e1fcf720c63a | 8 | |
xinlei | 95:5dfdc8568e9f | 9 | bool PollThread::handshake() |
xinlei | 95:5dfdc8568e9f | 10 | { |
xinlei | 105:c61f0d62b625 | 11 | int l = snprintf(buf2, sizeof(buf2), "%s", "80\r\n"); |
xinlei | 105:c61f0d62b625 | 12 | l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); |
xinlei | 105:c61f0d62b625 | 13 | sock.setBlocking(3000); |
xinlei | 125:e1fcf720c63a | 14 | _volSend += l; |
xinlei | 105:c61f0d62b625 | 15 | l = sock.sendAndReceive(buf, l, sizeof(buf)); |
xinlei | 124:979ab0d075de | 16 | if (l <= 0) return false; |
xinlei | 125:e1fcf720c63a | 17 | _volRecv += l; |
xinlei | 124:979ab0d075de | 18 | const char* p = skipHTTPHeader(buf); |
xinlei | 124:979ab0d075de | 19 | if (p == NULL) return false; |
xinlei | 95:5dfdc8568e9f | 20 | size_t i = 0; |
xinlei | 124:979ab0d075de | 21 | for (; isalnum(*p); ++p, ++i) { |
xinlei | 95:5dfdc8568e9f | 22 | bayeuxId[i] = *p; |
xinlei | 95:5dfdc8568e9f | 23 | } |
xinlei | 116:5de54f09f754 | 24 | bayeuxId[i] = 0; |
xinlei | 95:5dfdc8568e9f | 25 | return bayeuxId[0]; |
xinlei | 95:5dfdc8568e9f | 26 | } |
xinlei | 95:5dfdc8568e9f | 27 | |
xinlei | 95:5dfdc8568e9f | 28 | bool PollThread::subscribe() |
xinlei | 95:5dfdc8568e9f | 29 | { |
xinlei | 105:c61f0d62b625 | 30 | int l = snprintf(buf2, sizeof(buf2), "81,%s,%s\r\n", bayeuxId, chn); |
xinlei | 105:c61f0d62b625 | 31 | l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); |
xinlei | 105:c61f0d62b625 | 32 | sock.setBlocking(3000); |
xinlei | 125:e1fcf720c63a | 33 | _volSend += l; |
xinlei | 122:3e4a1ed4bad5 | 34 | l = sock.sendAndReceive(buf, l, sizeof(buf)); |
xinlei | 122:3e4a1ed4bad5 | 35 | if (l <= 0) return false; |
xinlei | 125:e1fcf720c63a | 36 | _volRecv += l; |
xinlei | 122:3e4a1ed4bad5 | 37 | const char *p = skipHTTPHeader(buf); |
xinlei | 122:3e4a1ed4bad5 | 38 | if (p == NULL) return false; |
xinlei | 122:3e4a1ed4bad5 | 39 | for (; *p && !isgraph(*p); ++p); |
xinlei | 122:3e4a1ed4bad5 | 40 | return *p == 0; |
xinlei | 95:5dfdc8568e9f | 41 | } |
xinlei | 95:5dfdc8568e9f | 42 | |
xinlei | 95:5dfdc8568e9f | 43 | bool PollThread::connect() |
xinlei | 95:5dfdc8568e9f | 44 | { |
xinlei | 105:c61f0d62b625 | 45 | int l = snprintf(buf2, sizeof(buf2), "83,%s\r\n", bayeuxId); |
xinlei | 105:c61f0d62b625 | 46 | l = snprintf(buf, sizeof(buf), fmtSmartRest, uri, l, buf2); |
xinlei | 126:871e6eb0fa76 | 47 | sock.setBlocking(610000); // Timeout after 10m:10s |
xinlei | 125:e1fcf720c63a | 48 | _volSend += l; |
xinlei | 125:e1fcf720c63a | 49 | aInfo("[SEND] poll: %d\n", _volSend); |
xinlei | 105:c61f0d62b625 | 50 | l = sock.sendAndReceive(buf, l, sizeof(buf)); |
xinlei | 125:e1fcf720c63a | 51 | _volRecv += l; |
xinlei | 125:e1fcf720c63a | 52 | aInfo("[RECV] poll: %d\n", _volRecv); |
xinlei | 122:3e4a1ed4bad5 | 53 | return l>0; |
xinlei | 95:5dfdc8568e9f | 54 | } |
xinlei | 95:5dfdc8568e9f | 55 | |
xinlei | 95:5dfdc8568e9f | 56 | void PollThread::threadFunc() |
xinlei | 95:5dfdc8568e9f | 57 | { |
xinlei | 98:e369fc75c000 | 58 | unsigned short state = 1; |
xinlei | 95:5dfdc8568e9f | 59 | while (true) { |
xinlei | 95:5dfdc8568e9f | 60 | switch (state) { |
xinlei | 95:5dfdc8568e9f | 61 | case 1: if (!handshake()) { |
xinlei | 95:5dfdc8568e9f | 62 | aCritical("Poll: handshake fail!\n"); |
xinlei | 95:5dfdc8568e9f | 63 | break; |
xinlei | 95:5dfdc8568e9f | 64 | } |
xinlei | 95:5dfdc8568e9f | 65 | case 2: if(!subscribe()) { |
xinlei | 95:5dfdc8568e9f | 66 | aCritical("Poll: subscribe fail!\n"); |
xinlei | 95:5dfdc8568e9f | 67 | state = 1; |
xinlei | 95:5dfdc8568e9f | 68 | break; |
xinlei | 95:5dfdc8568e9f | 69 | } |
xinlei | 95:5dfdc8568e9f | 70 | case 3: if(!connect()) { |
xinlei | 95:5dfdc8568e9f | 71 | aCritical("Poll: connect fail!\n"); |
xinlei | 95:5dfdc8568e9f | 72 | state = 1; |
xinlei | 95:5dfdc8568e9f | 73 | break; |
xinlei | 95:5dfdc8568e9f | 74 | } |
xinlei | 98:e369fc75c000 | 75 | default: parser.parse(buf); |
xinlei | 95:5dfdc8568e9f | 76 | if (parser.getBayeuxAdvice() == BA_HANDSHAKE) |
xinlei | 95:5dfdc8568e9f | 77 | state = 1; |
xinlei | 95:5dfdc8568e9f | 78 | else |
xinlei | 95:5dfdc8568e9f | 79 | state = 3; |
xinlei | 95:5dfdc8568e9f | 80 | } |
xinlei | 95:5dfdc8568e9f | 81 | } |
xinlei | 95:5dfdc8568e9f | 82 | } |