Vergil Cola / Mbed OS MQTTGateway2

Fork of my original MQTTGateway

Dependencies:   mbed-http

jsmn/RadioCfg.cpp@0:a1734fe1ec4b, 2017-04-08 (annotated)

Committer:
vpcola
Date:
Sat Apr 08 14:43:14 2017 +0000
Revision:
0:a1734fe1ec4b
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vpcola 0:a1734fe1ec4b 1 #include "RadioCfg.h"
vpcola 0:a1734fe1ec4b 2 #include <string.h>
vpcola 0:a1734fe1ec4b 3 #include <stdlib.h>
vpcola 0:a1734fe1ec4b 4
vpcola 0:a1734fe1ec4b 5 static char tempstr[100];
vpcola 0:a1734fe1ec4b 6
vpcola 0:a1734fe1ec4b 7 static int jsoneq(const char * json, jsmntok_t * tok, const char * s)
vpcola 0:a1734fe1ec4b 8 {
vpcola 0:a1734fe1ec4b 9 if (tok->type == JSMN_STRING && (int) strlen(s) == tok->end - tok->start &&
vpcola 0:a1734fe1ec4b 10 strncmp(json + tok->start, s, tok->end - tok->start) == 0) {
vpcola 0:a1734fe1ec4b 11 return 0;
vpcola 0:a1734fe1ec4b 12 }
vpcola 0:a1734fe1ec4b 13 return -1;
vpcola 0:a1734fe1ec4b 14 }
vpcola 0:a1734fe1ec4b 15
vpcola 0:a1734fe1ec4b 16 int parseradioconfig(const char * jsonstring, RadioCfg & radiocfg)
vpcola 0:a1734fe1ec4b 17 {
vpcola 0:a1734fe1ec4b 18 int i, r;
vpcola 0:a1734fe1ec4b 19
vpcola 0:a1734fe1ec4b 20 jsmn_parser p;
vpcola 0:a1734fe1ec4b 21 jsmntok_t t[128];
vpcola 0:a1734fe1ec4b 22
vpcola 0:a1734fe1ec4b 23 jsmn_init(&p);
vpcola 0:a1734fe1ec4b 24 r = jsmn_parse(&p, jsonstring, strlen(jsonstring), t, sizeof(t)/sizeof(t[0]));
vpcola 0:a1734fe1ec4b 25 if ( r < 0 )
vpcola 0:a1734fe1ec4b 26 return -1;
vpcola 0:a1734fe1ec4b 27
vpcola 0:a1734fe1ec4b 28 /* Top level element is an object */
vpcola 0:a1734fe1ec4b 29 if (r < 1 || t[0].type != JSMN_OBJECT)
vpcola 0:a1734fe1ec4b 30 {
vpcola 0:a1734fe1ec4b 31 return -1;
vpcola 0:a1734fe1ec4b 32 }
vpcola 0:a1734fe1ec4b 33
vpcola 0:a1734fe1ec4b 34 /* Loop over all tokens */
vpcola 0:a1734fe1ec4b 35 for (i = 1; i < r; i++)
vpcola 0:a1734fe1ec4b 36 {
vpcola 0:a1734fe1ec4b 37 if (jsoneq(jsonstring, &t[i], "error") == 0)
vpcola 0:a1734fe1ec4b 38 {
vpcola 0:a1734fe1ec4b 39 // Query returned an error ...
vpcola 0:a1734fe1ec4b 40 return -1;
vpcola 0:a1734fe1ec4b 41 }
vpcola 0:a1734fe1ec4b 42 else if (jsoneq(jsonstring, &t[i], "id") == 0)
vpcola 0:a1734fe1ec4b 43 {
vpcola 0:a1734fe1ec4b 44 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 45 strncpy(&tempstr[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:a1734fe1ec4b 46 // Store the radio id ...
vpcola 0:a1734fe1ec4b 47 radiocfg.radioID = strtoull(tempstr, NULL, 0);
vpcola 0:a1734fe1ec4b 48 i++;
vpcola 0:a1734fe1ec4b 49 }
vpcola 0:a1734fe1ec4b 50 else if (jsoneq(jsonstring, &t[i], "name") == 0)
vpcola 0:a1734fe1ec4b 51 {
vpcola 0:a1734fe1ec4b 52 memset(&radiocfg.name[0], 0, RADIO_NAME_LEN);
vpcola 0:a1734fe1ec4b 53 strncpy(&radiocfg.name[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:a1734fe1ec4b 54 i++;
vpcola 0:a1734fe1ec4b 55 }
vpcola 0:a1734fe1ec4b 56 else if (jsoneq(jsonstring, &t[i], "country") == 0)
vpcola 0:a1734fe1ec4b 57 {
vpcola 0:a1734fe1ec4b 58 memset(&radiocfg.country[0], 0, RADIO_NAME_LEN);
vpcola 0:a1734fe1ec4b 59 strncpy(&radiocfg.country[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:a1734fe1ec4b 60 i++;
vpcola 0:a1734fe1ec4b 61 }
vpcola 0:a1734fe1ec4b 62 else if (jsoneq(jsonstring, &t[i], "utc_offset") == 0)
vpcola 0:a1734fe1ec4b 63 {
vpcola 0:a1734fe1ec4b 64 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 65 strncpy(&tempstr[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:a1734fe1ec4b 66 // Store the radio id ...
vpcola 0:a1734fe1ec4b 67 radiocfg.utc_offset = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 68 i++;
vpcola 0:a1734fe1ec4b 69 }
vpcola 0:a1734fe1ec4b 70 else if (jsoneq(jsonstring, &t[i], "radios") == 0)
vpcola 0:a1734fe1ec4b 71 {
vpcola 0:a1734fe1ec4b 72 int j;
vpcola 0:a1734fe1ec4b 73 // Radios is an array of radio objects
vpcola 0:a1734fe1ec4b 74 if (t[i+1].type != JSMN_ARRAY){
vpcola 0:a1734fe1ec4b 75 continue;
vpcola 0:a1734fe1ec4b 76 }
vpcola 0:a1734fe1ec4b 77
vpcola 0:a1734fe1ec4b 78 int arrsize = t[i+1].size;
vpcola 0:a1734fe1ec4b 79 // Move to the start of the array
vpcola 0:a1734fe1ec4b 80 i += 2;
vpcola 0:a1734fe1ec4b 81 for (j = 0; j < arrsize; j++)
vpcola 0:a1734fe1ec4b 82 {
vpcola 0:a1734fe1ec4b 83 RadioSlave slv;
vpcola 0:a1734fe1ec4b 84 int r = t[i + j].size;
vpcola 0:a1734fe1ec4b 85 //jsmntok_t * g = &t[i + j];
vpcola 0:a1734fe1ec4b 86 //printf(" * %.*s\n", g->end - g->start, jsonstring + g->start);
vpcola 0:a1734fe1ec4b 87 // Enumerate objects within the array
vpcola 0:a1734fe1ec4b 88 for (int z = 0; z < r ; z++)
vpcola 0:a1734fe1ec4b 89 {
vpcola 0:a1734fe1ec4b 90
vpcola 0:a1734fe1ec4b 91 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "id") == 0)
vpcola 0:a1734fe1ec4b 92 {
vpcola 0:a1734fe1ec4b 93 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 94 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 95 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 96 slv.radioID = strtoull(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 97 }
vpcola 0:a1734fe1ec4b 98 else if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "name") == 0)
vpcola 0:a1734fe1ec4b 99 {
vpcola 0:a1734fe1ec4b 100 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 101 memset(&slv.name[0], 0, RADIO_NAME_LEN);
vpcola 0:a1734fe1ec4b 102 strncpy(&slv.name[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 103 }
vpcola 0:a1734fe1ec4b 104 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "temp_pin") == 0)
vpcola 0:a1734fe1ec4b 105 {
vpcola 0:a1734fe1ec4b 106 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 107 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 108 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 109 slv.temp_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 110 }
vpcola 0:a1734fe1ec4b 111 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "humid_pin") == 0)
vpcola 0:a1734fe1ec4b 112 {
vpcola 0:a1734fe1ec4b 113 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 114 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 115 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 116 slv.humid_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 117 }
vpcola 0:a1734fe1ec4b 118 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "lumin_pin") == 0)
vpcola 0:a1734fe1ec4b 119 {
vpcola 0:a1734fe1ec4b 120 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 121 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 122 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 123 slv.lumin_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 124 }
vpcola 0:a1734fe1ec4b 125 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "spinkler_pin") == 0)
vpcola 0:a1734fe1ec4b 126 {
vpcola 0:a1734fe1ec4b 127 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 128 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 129 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 130 slv.sprinkler_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 131 }
vpcola 0:a1734fe1ec4b 132 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "hthreshold") == 0)
vpcola 0:a1734fe1ec4b 133 {
vpcola 0:a1734fe1ec4b 134 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:a1734fe1ec4b 135 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:a1734fe1ec4b 136 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:a1734fe1ec4b 137 slv.hthreshold = strtoul(&tempstr[0], NULL, 0);
vpcola 0:a1734fe1ec4b 138 }
vpcola 0:a1734fe1ec4b 139 else
vpcola 0:a1734fe1ec4b 140 {
vpcola 0:a1734fe1ec4b 141 // TODO:
vpcola 0:a1734fe1ec4b 142 }
vpcola 0:a1734fe1ec4b 143 }
vpcola 0:a1734fe1ec4b 144 // Add the radio slave to the vector
vpcola 0:a1734fe1ec4b 145 radiocfg.radios.push_back(slv);
vpcola 0:a1734fe1ec4b 146 i += (t[i+j].size) * 2;
vpcola 0:a1734fe1ec4b 147 }
vpcola 0:a1734fe1ec4b 148 // Move to the end of the object
vpcola 0:a1734fe1ec4b 149 i += 4;
vpcola 0:a1734fe1ec4b 150 }else
vpcola 0:a1734fe1ec4b 151 {
vpcola 0:a1734fe1ec4b 152
vpcola 0:a1734fe1ec4b 153 }
vpcola 0:a1734fe1ec4b 154 }
vpcola 0:a1734fe1ec4b 155
vpcola 0:a1734fe1ec4b 156 return 0;
vpcola 0:a1734fe1ec4b 157 }