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/ControlParser.cpp@107:fc5f25f0e0d5, 2015-05-13 (annotated)
- Committer:
- xinlei
- Date:
- Wed May 13 12:12:55 2015 +0000
- Revision:
- 107:fc5f25f0e0d5
- Parent:
- 106:c61f0d62b625
- Child:
- 108:f1ee3e1eb126
OperationSupport revamped
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
xinlei | 94:61d44636f020 | 1 | #include <stdio.h> |
xinlei | 94:61d44636f020 | 2 | #include <string.h> |
xinlei | 94:61d44636f020 | 3 | #include "ControlParser.h" |
xinlei | 105:fd3571349e5d | 4 | #include "Peripheral.h" |
xinlei | 96:5dfdc8568e9f | 5 | #include "LCDDisplay.h" |
xinlei | 94:61d44636f020 | 6 | #include "logging.h" |
xinlei | 94:61d44636f020 | 7 | |
xinlei | 99:e369fc75c000 | 8 | void ControlParser::parse(const char *buf) |
xinlei | 94:61d44636f020 | 9 | { |
xinlei | 94:61d44636f020 | 10 | if (buf == NULL) return; |
xinlei | 94:61d44636f020 | 11 | const char *p = skipHTTPHeader(buf); |
xinlei | 99:e369fc75c000 | 12 | if (p == NULL) return; |
xinlei | 94:61d44636f020 | 13 | Token tok; |
xinlei | 94:61d44636f020 | 14 | ptrPF = &ControlParser::parseGetOp; |
xinlei | 94:61d44636f020 | 15 | do { |
xinlei | 94:61d44636f020 | 16 | p = lex(p, tok); |
xinlei | 94:61d44636f020 | 17 | (this->*ptrPF)(tok); |
xinlei | 94:61d44636f020 | 18 | } while (*p); |
xinlei | 94:61d44636f020 | 19 | } |
xinlei | 94:61d44636f020 | 20 | |
xinlei | 94:61d44636f020 | 21 | void ControlParser::parseGetOp(Token& tok) |
xinlei | 94:61d44636f020 | 22 | { |
xinlei | 94:61d44636f020 | 23 | if (tok.type == Token::INT && strncmp("211", tok.p, tok.len)==0) { |
xinlei | 94:61d44636f020 | 24 | opType = 211; |
xinlei | 107:fc5f25f0e0d5 | 25 | ptrPF = &ControlParser::parseRowNumber; |
xinlei | 94:61d44636f020 | 26 | } else { |
xinlei | 94:61d44636f020 | 27 | parseError(tok); |
xinlei | 94:61d44636f020 | 28 | } |
xinlei | 94:61d44636f020 | 29 | } |
xinlei | 94:61d44636f020 | 30 | |
xinlei | 107:fc5f25f0e0d5 | 31 | void ControlParser::parseRowNumber(Token& tok) |
xinlei | 94:61d44636f020 | 32 | { |
xinlei | 94:61d44636f020 | 33 | if (tok.type == Token::INT) { |
xinlei | 107:fc5f25f0e0d5 | 34 | if (opType == 86) |
xinlei | 107:fc5f25f0e0d5 | 35 | ptrPF = &ControlParser::parseAdviceTimeout; |
xinlei | 107:fc5f25f0e0d5 | 36 | else |
xinlei | 107:fc5f25f0e0d5 | 37 | ptrPF = &ControlParser::parseOpId; |
xinlei | 107:fc5f25f0e0d5 | 38 | } else if (tok.type == Token::NONE) { |
xinlei | 107:fc5f25f0e0d5 | 39 | ptrPF = &ControlParser::parseAdviceTimeout; |
xinlei | 94:61d44636f020 | 40 | } else { |
xinlei | 94:61d44636f020 | 41 | parseError(tok); |
xinlei | 94:61d44636f020 | 42 | } |
xinlei | 94:61d44636f020 | 43 | } |
xinlei | 94:61d44636f020 | 44 | |
xinlei | 94:61d44636f020 | 45 | void ControlParser::parseOpId(Token& tok) |
xinlei | 94:61d44636f020 | 46 | { |
xinlei | 94:61d44636f020 | 47 | if (tok.type == Token::INT) { |
xinlei | 94:61d44636f020 | 48 | if (opType == 211) { |
xinlei | 94:61d44636f020 | 49 | sscanf(tok.p, "%ld", &op.identifier); |
xinlei | 94:61d44636f020 | 50 | ptrPF = &ControlParser::parseOpState; |
xinlei | 94:61d44636f020 | 51 | } else if (opType >= 220 && opType <= 222){ |
xinlei | 94:61d44636f020 | 52 | ptrPF = &ControlParser::parseOpData; |
xinlei | 94:61d44636f020 | 53 | } else { |
xinlei | 94:61d44636f020 | 54 | parseError(tok); |
xinlei | 94:61d44636f020 | 55 | } |
xinlei | 94:61d44636f020 | 56 | } else { |
xinlei | 94:61d44636f020 | 57 | parseError(tok); |
xinlei | 94:61d44636f020 | 58 | } |
xinlei | 94:61d44636f020 | 59 | } |
xinlei | 94:61d44636f020 | 60 | |
xinlei | 94:61d44636f020 | 61 | void ControlParser::parseOpState(Token& tok) |
xinlei | 94:61d44636f020 | 62 | { |
xinlei | 94:61d44636f020 | 63 | if (tok.type == Token::STRING) { |
xinlei | 94:61d44636f020 | 64 | if (strncmp(strPending, tok.p, tok.len)==0) { |
xinlei | 94:61d44636f020 | 65 | Operation *p = opool.alloc(); |
xinlei | 99:e369fc75c000 | 66 | if (p) { |
xinlei | 99:e369fc75c000 | 67 | p->identifier = op.identifier; |
xinlei | 99:e369fc75c000 | 68 | p->state = OPERATION_EXECUTING; |
xinlei | 99:e369fc75c000 | 69 | opool.put(p); |
xinlei | 99:e369fc75c000 | 70 | } |
xinlei | 94:61d44636f020 | 71 | ptrPF = &ControlParser::parseOpType; |
xinlei | 94:61d44636f020 | 72 | } else { |
xinlei | 94:61d44636f020 | 73 | parseError(tok); |
xinlei | 94:61d44636f020 | 74 | } |
xinlei | 94:61d44636f020 | 75 | } else { |
xinlei | 94:61d44636f020 | 76 | parseError(tok); |
xinlei | 94:61d44636f020 | 77 | } |
xinlei | 94:61d44636f020 | 78 | } |
xinlei | 94:61d44636f020 | 79 | |
xinlei | 94:61d44636f020 | 80 | void ControlParser::parseOpType(Token& tok) |
xinlei | 94:61d44636f020 | 81 | { |
xinlei | 94:61d44636f020 | 82 | if (tok.type == Token::INT) { |
xinlei | 95:010b0f7a0a1a | 83 | sscanf(tok.p, "%hu", &opType); |
xinlei | 94:61d44636f020 | 84 | if (opType >= 220 && opType <= 222) { |
xinlei | 107:fc5f25f0e0d5 | 85 | ptrPF = &ControlParser::parseRowNumber; |
xinlei | 94:61d44636f020 | 86 | } else { |
xinlei | 94:61d44636f020 | 87 | parseError(tok); |
xinlei | 94:61d44636f020 | 88 | } |
xinlei | 94:61d44636f020 | 89 | } else { |
xinlei | 94:61d44636f020 | 90 | parseError(tok); |
xinlei | 94:61d44636f020 | 91 | } |
xinlei | 94:61d44636f020 | 92 | } |
xinlei | 94:61d44636f020 | 93 | |
xinlei | 94:61d44636f020 | 94 | void ControlParser::parseOpData(Token& tok) |
xinlei | 94:61d44636f020 | 95 | { |
xinlei | 94:61d44636f020 | 96 | bool ret = true; |
xinlei | 94:61d44636f020 | 97 | if (opType == 220) { |
xinlei | 94:61d44636f020 | 98 | if (strncmp("CLOSED", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 99 | closeRelay(); |
xinlei | 94:61d44636f020 | 100 | } else if (strncmp("OPEN", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 101 | openRelay(); |
xinlei | 94:61d44636f020 | 102 | } else { |
xinlei | 94:61d44636f020 | 103 | aError("Relay op (%.*s)\n", (int)tok.len, tok.p); |
xinlei | 94:61d44636f020 | 104 | ret = false; |
xinlei | 94:61d44636f020 | 105 | } |
xinlei | 94:61d44636f020 | 106 | } else if (opType == 221) { |
xinlei | 94:61d44636f020 | 107 | char line[30] = {0}; |
xinlei | 96:5dfdc8568e9f | 108 | size_t num = tok.len < 30 ? tok.len : 30; |
xinlei | 94:61d44636f020 | 109 | if (tok.type == Token::STRING) |
xinlei | 94:61d44636f020 | 110 | strncpyEscape(line, tok.p, num); |
xinlei | 106:c61f0d62b625 | 111 | else if (tok.type != Token::NONE) |
xinlei | 94:61d44636f020 | 112 | strncpy(line, tok.p, num); |
xinlei | 96:5dfdc8568e9f | 113 | LCDDisplay::inst().setFirstLine(line); |
xinlei | 94:61d44636f020 | 114 | } else if (opType == 222) { |
xinlei | 95:010b0f7a0a1a | 115 | char config[128] = {0}; |
xinlei | 96:5dfdc8568e9f | 116 | size_t num = tok.len < 127 ? tok.len : 127; |
xinlei | 94:61d44636f020 | 117 | strncpy(config, tok.p, num); |
xinlei | 94:61d44636f020 | 118 | ret = _configSync.updateConfiguration(config); |
xinlei | 94:61d44636f020 | 119 | } else { |
xinlei | 94:61d44636f020 | 120 | parseError(tok); |
xinlei | 94:61d44636f020 | 121 | return; |
xinlei | 94:61d44636f020 | 122 | } |
xinlei | 94:61d44636f020 | 123 | Operation *p = opool.alloc(); |
xinlei | 95:010b0f7a0a1a | 124 | if (p) { |
xinlei | 95:010b0f7a0a1a | 125 | p->identifier = op.identifier; |
xinlei | 95:010b0f7a0a1a | 126 | p->state = ret ? OPERATION_SUCCESSFUL : OPERATION_FAILED; |
xinlei | 95:010b0f7a0a1a | 127 | opool.put(p); |
xinlei | 95:010b0f7a0a1a | 128 | } |
xinlei | 94:61d44636f020 | 129 | ptrPF = &ControlParser::parseGetOpOrBayeuxAdvice; |
xinlei | 94:61d44636f020 | 130 | } |
xinlei | 94:61d44636f020 | 131 | |
xinlei | 94:61d44636f020 | 132 | void ControlParser::parseGetOpOrBayeuxAdvice(Token& tok) |
xinlei | 94:61d44636f020 | 133 | { |
xinlei | 94:61d44636f020 | 134 | if (strncmp("211", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 135 | parseGetOp(tok); |
xinlei | 94:61d44636f020 | 136 | } else if (strncmp("86", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 137 | parseBayeuxAdvice(tok); |
xinlei | 94:61d44636f020 | 138 | } else { |
xinlei | 94:61d44636f020 | 139 | parseError(tok); |
xinlei | 94:61d44636f020 | 140 | } |
xinlei | 94:61d44636f020 | 141 | } |
xinlei | 94:61d44636f020 | 142 | |
xinlei | 94:61d44636f020 | 143 | void ControlParser::parseBayeuxAdvice(Token& tok) |
xinlei | 94:61d44636f020 | 144 | { |
xinlei | 94:61d44636f020 | 145 | if (strncmp("86", tok.p, tok.len) == 0) { |
xinlei | 107:fc5f25f0e0d5 | 146 | opType = 86; |
xinlei | 99:e369fc75c000 | 147 | ptrPF = &ControlParser::parseRowNumber; |
xinlei | 99:e369fc75c000 | 148 | } else { |
xinlei | 99:e369fc75c000 | 149 | parseError(tok); |
xinlei | 99:e369fc75c000 | 150 | } |
xinlei | 99:e369fc75c000 | 151 | } |
xinlei | 99:e369fc75c000 | 152 | |
xinlei | 94:61d44636f020 | 153 | void ControlParser::parseAdviceTimeout(Token& tok) |
xinlei | 94:61d44636f020 | 154 | { |
xinlei | 94:61d44636f020 | 155 | if (tok.type == Token::NONE) { |
xinlei | 94:61d44636f020 | 156 | bayeuxTimeout = -1; |
xinlei | 94:61d44636f020 | 157 | ptrPF = &ControlParser::parseAdviceInterval; |
xinlei | 94:61d44636f020 | 158 | } else if (tok.type == Token::INT) { |
xinlei | 94:61d44636f020 | 159 | sscanf(tok.p, "%d", &bayeuxTimeout); |
xinlei | 94:61d44636f020 | 160 | ptrPF = &ControlParser::parseAdviceInterval; |
xinlei | 94:61d44636f020 | 161 | } else { |
xinlei | 94:61d44636f020 | 162 | parseError(tok); |
xinlei | 94:61d44636f020 | 163 | } |
xinlei | 94:61d44636f020 | 164 | } |
xinlei | 94:61d44636f020 | 165 | |
xinlei | 94:61d44636f020 | 166 | void ControlParser::parseAdviceInterval(Token& tok) |
xinlei | 94:61d44636f020 | 167 | { |
xinlei | 94:61d44636f020 | 168 | if (tok.type == Token::NONE) { |
xinlei | 99:e369fc75c000 | 169 | bayeuxInterval = 0; |
xinlei | 99:e369fc75c000 | 170 | ptrPF = &ControlParser::parseAdvicePolicy; |
xinlei | 94:61d44636f020 | 171 | } else if (tok.type == Token::INT) { |
xinlei | 94:61d44636f020 | 172 | sscanf(tok.p, "%d", &bayeuxInterval); |
xinlei | 94:61d44636f020 | 173 | ptrPF = &ControlParser::parseAdvicePolicy; |
xinlei | 94:61d44636f020 | 174 | } else { |
xinlei | 94:61d44636f020 | 175 | parseError(tok); |
xinlei | 94:61d44636f020 | 176 | } |
xinlei | 94:61d44636f020 | 177 | } |
xinlei | 94:61d44636f020 | 178 | |
xinlei | 94:61d44636f020 | 179 | void ControlParser::parseAdvicePolicy(Token& tok) |
xinlei | 94:61d44636f020 | 180 | { |
xinlei | 94:61d44636f020 | 181 | if (tok.type == Token::STRING) { |
xinlei | 94:61d44636f020 | 182 | if (strncmp("retry", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 183 | bayeuxAdvice = BA_RETRY; |
xinlei | 94:61d44636f020 | 184 | } else if (strncmp("handshake", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 185 | bayeuxAdvice = BA_HANDSHAKE; |
xinlei | 94:61d44636f020 | 186 | } else if (strncmp("none", tok.p, tok.len) == 0) { |
xinlei | 94:61d44636f020 | 187 | bayeuxAdvice = BA_NONE; |
xinlei | 94:61d44636f020 | 188 | } else { |
xinlei | 94:61d44636f020 | 189 | parseError(tok); |
xinlei | 94:61d44636f020 | 190 | } |
xinlei | 94:61d44636f020 | 191 | } else { |
xinlei | 94:61d44636f020 | 192 | parseError(tok); |
xinlei | 94:61d44636f020 | 193 | } |
xinlei | 94:61d44636f020 | 194 | } |
xinlei | 94:61d44636f020 | 195 | |
xinlei | 94:61d44636f020 | 196 | void ControlParser::parseError(Token& tok) |
xinlei | 94:61d44636f020 | 197 | { |
xinlei | 101:dbcd3bc51758 | 198 | aError("CtrlParse: (%d) %.*s\n", tok.type, (int)tok.len, tok.p); |
xinlei | 99:e369fc75c000 | 199 | parseRecover(tok); |
xinlei | 94:61d44636f020 | 200 | } |
xinlei | 94:61d44636f020 | 201 | |
xinlei | 94:61d44636f020 | 202 | void ControlParser::parseRecover(Token& tok) |
xinlei | 94:61d44636f020 | 203 | { |
xinlei | 94:61d44636f020 | 204 | if (tok.type == Token::INT) { |
xinlei | 94:61d44636f020 | 205 | int i = 0; |
xinlei | 94:61d44636f020 | 206 | sscanf(tok.p, "%d", &i); |
xinlei | 94:61d44636f020 | 207 | if (i == 211) { |
xinlei | 94:61d44636f020 | 208 | parseGetOp(tok); |
xinlei | 94:61d44636f020 | 209 | } else if (i >= 220 && i <= 222) { |
xinlei | 94:61d44636f020 | 210 | parseOpType(tok); |
xinlei | 94:61d44636f020 | 211 | } else if (i == 86) { |
xinlei | 94:61d44636f020 | 212 | parseBayeuxAdvice(tok); |
xinlei | 94:61d44636f020 | 213 | } else { |
xinlei | 94:61d44636f020 | 214 | ptrPF = &ControlParser::parseRecover; |
xinlei | 94:61d44636f020 | 215 | } |
xinlei | 94:61d44636f020 | 216 | } else { |
xinlei | 94:61d44636f020 | 217 | ptrPF = &ControlParser::parseRecover; |
xinlei | 94:61d44636f020 | 218 | } |
xinlei | 94:61d44636f020 | 219 | } |