Vergil Cola / Mbed OS MQTTGatewayK64

Fork of my MQTTGateway

Dependencies:   mbed-http

jsmn/RadioCfg.cpp@0:f1d3878b8dd9, 2017-04-08 (annotated)

Committer:
vpcola
Date:
Sat Apr 08 14:45:51 2017 +0000
Revision:
0:f1d3878b8dd9
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vpcola 0:f1d3878b8dd9 1 #include "RadioCfg.h"
vpcola 0:f1d3878b8dd9 2 #include <string.h>
vpcola 0:f1d3878b8dd9 3 #include <stdlib.h>
vpcola 0:f1d3878b8dd9 4
vpcola 0:f1d3878b8dd9 5 static char tempstr[100];
vpcola 0:f1d3878b8dd9 6
vpcola 0:f1d3878b8dd9 7 static int jsoneq(const char * json, jsmntok_t * tok, const char * s)
vpcola 0:f1d3878b8dd9 8 {
vpcola 0:f1d3878b8dd9 9 if (tok->type == JSMN_STRING && (int) strlen(s) == tok->end - tok->start &&
vpcola 0:f1d3878b8dd9 10 strncmp(json + tok->start, s, tok->end - tok->start) == 0) {
vpcola 0:f1d3878b8dd9 11 return 0;
vpcola 0:f1d3878b8dd9 12 }
vpcola 0:f1d3878b8dd9 13 return -1;
vpcola 0:f1d3878b8dd9 14 }
vpcola 0:f1d3878b8dd9 15
vpcola 0:f1d3878b8dd9 16 int parseradioconfig(const char * jsonstring, RadioCfg & radiocfg)
vpcola 0:f1d3878b8dd9 17 {
vpcola 0:f1d3878b8dd9 18 int i, r;
vpcola 0:f1d3878b8dd9 19
vpcola 0:f1d3878b8dd9 20 jsmn_parser p;
vpcola 0:f1d3878b8dd9 21 jsmntok_t t[128];
vpcola 0:f1d3878b8dd9 22
vpcola 0:f1d3878b8dd9 23 jsmn_init(&p);
vpcola 0:f1d3878b8dd9 24 r = jsmn_parse(&p, jsonstring, strlen(jsonstring), t, sizeof(t)/sizeof(t[0]));
vpcola 0:f1d3878b8dd9 25 if ( r < 0 )
vpcola 0:f1d3878b8dd9 26 return -1;
vpcola 0:f1d3878b8dd9 27
vpcola 0:f1d3878b8dd9 28 /* Top level element is an object */
vpcola 0:f1d3878b8dd9 29 if (r < 1 || t[0].type != JSMN_OBJECT)
vpcola 0:f1d3878b8dd9 30 {
vpcola 0:f1d3878b8dd9 31 return -1;
vpcola 0:f1d3878b8dd9 32 }
vpcola 0:f1d3878b8dd9 33
vpcola 0:f1d3878b8dd9 34 /* Loop over all tokens */
vpcola 0:f1d3878b8dd9 35 for (i = 1; i < r; i++)
vpcola 0:f1d3878b8dd9 36 {
vpcola 0:f1d3878b8dd9 37 if (jsoneq(jsonstring, &t[i], "error") == 0)
vpcola 0:f1d3878b8dd9 38 {
vpcola 0:f1d3878b8dd9 39 // Query returned an error ...
vpcola 0:f1d3878b8dd9 40 return -1;
vpcola 0:f1d3878b8dd9 41 }
vpcola 0:f1d3878b8dd9 42 else if (jsoneq(jsonstring, &t[i], "id") == 0)
vpcola 0:f1d3878b8dd9 43 {
vpcola 0:f1d3878b8dd9 44 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 45 strncpy(&tempstr[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:f1d3878b8dd9 46 // Store the radio id ...
vpcola 0:f1d3878b8dd9 47 radiocfg.radioID = strtoull(tempstr, NULL, 0);
vpcola 0:f1d3878b8dd9 48 i++;
vpcola 0:f1d3878b8dd9 49 }
vpcola 0:f1d3878b8dd9 50 else if (jsoneq(jsonstring, &t[i], "name") == 0)
vpcola 0:f1d3878b8dd9 51 {
vpcola 0:f1d3878b8dd9 52 memset(&radiocfg.name[0], 0, RADIO_NAME_LEN);
vpcola 0:f1d3878b8dd9 53 strncpy(&radiocfg.name[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:f1d3878b8dd9 54 i++;
vpcola 0:f1d3878b8dd9 55 }
vpcola 0:f1d3878b8dd9 56 else if (jsoneq(jsonstring, &t[i], "country") == 0)
vpcola 0:f1d3878b8dd9 57 {
vpcola 0:f1d3878b8dd9 58 memset(&radiocfg.country[0], 0, RADIO_NAME_LEN);
vpcola 0:f1d3878b8dd9 59 strncpy(&radiocfg.country[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:f1d3878b8dd9 60 i++;
vpcola 0:f1d3878b8dd9 61 }
vpcola 0:f1d3878b8dd9 62 else if (jsoneq(jsonstring, &t[i], "utc_offset") == 0)
vpcola 0:f1d3878b8dd9 63 {
vpcola 0:f1d3878b8dd9 64 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 65 strncpy(&tempstr[0], jsonstring + t[i+1].start, (t[i+1].end - t[i+1].start));
vpcola 0:f1d3878b8dd9 66 // Store the radio id ...
vpcola 0:f1d3878b8dd9 67 radiocfg.utc_offset = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 68 i++;
vpcola 0:f1d3878b8dd9 69 }
vpcola 0:f1d3878b8dd9 70 else if (jsoneq(jsonstring, &t[i], "radios") == 0)
vpcola 0:f1d3878b8dd9 71 {
vpcola 0:f1d3878b8dd9 72 int j;
vpcola 0:f1d3878b8dd9 73 // Radios is an array of radio objects
vpcola 0:f1d3878b8dd9 74 if (t[i+1].type != JSMN_ARRAY){
vpcola 0:f1d3878b8dd9 75 continue;
vpcola 0:f1d3878b8dd9 76 }
vpcola 0:f1d3878b8dd9 77
vpcola 0:f1d3878b8dd9 78 int arrsize = t[i+1].size;
vpcola 0:f1d3878b8dd9 79 // Move to the start of the array
vpcola 0:f1d3878b8dd9 80 i += 2;
vpcola 0:f1d3878b8dd9 81 for (j = 0; j < arrsize; j++)
vpcola 0:f1d3878b8dd9 82 {
vpcola 0:f1d3878b8dd9 83 RadioSlave slv;
vpcola 0:f1d3878b8dd9 84 int r = t[i + j].size;
vpcola 0:f1d3878b8dd9 85 //jsmntok_t * g = &t[i + j];
vpcola 0:f1d3878b8dd9 86 //printf(" * %.*s\n", g->end - g->start, jsonstring + g->start);
vpcola 0:f1d3878b8dd9 87 // Enumerate objects within the array
vpcola 0:f1d3878b8dd9 88 for (int z = 0; z < r ; z++)
vpcola 0:f1d3878b8dd9 89 {
vpcola 0:f1d3878b8dd9 90
vpcola 0:f1d3878b8dd9 91 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "id") == 0)
vpcola 0:f1d3878b8dd9 92 {
vpcola 0:f1d3878b8dd9 93 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 94 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 95 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 96 slv.radioID = strtoull(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 97 }
vpcola 0:f1d3878b8dd9 98 else if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "name") == 0)
vpcola 0:f1d3878b8dd9 99 {
vpcola 0:f1d3878b8dd9 100 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 101 memset(&slv.name[0], 0, RADIO_NAME_LEN);
vpcola 0:f1d3878b8dd9 102 strncpy(&slv.name[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 103 }
vpcola 0:f1d3878b8dd9 104 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "temp_pin") == 0)
vpcola 0:f1d3878b8dd9 105 {
vpcola 0:f1d3878b8dd9 106 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 107 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 108 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 109 slv.temp_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 110 }
vpcola 0:f1d3878b8dd9 111 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "humid_pin") == 0)
vpcola 0:f1d3878b8dd9 112 {
vpcola 0:f1d3878b8dd9 113 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 114 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 115 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 116 slv.humid_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 117 }
vpcola 0:f1d3878b8dd9 118 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "lumin_pin") == 0)
vpcola 0:f1d3878b8dd9 119 {
vpcola 0:f1d3878b8dd9 120 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 121 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 122 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 123 slv.lumin_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 124 }
vpcola 0:f1d3878b8dd9 125 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "spinkler_pin") == 0)
vpcola 0:f1d3878b8dd9 126 {
vpcola 0:f1d3878b8dd9 127 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 128 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 129 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 130 slv.sprinkler_pin = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 131 }
vpcola 0:f1d3878b8dd9 132 if (jsoneq(jsonstring, &t[i+j+(z*2)+1], "hthreshold") == 0)
vpcola 0:f1d3878b8dd9 133 {
vpcola 0:f1d3878b8dd9 134 jsmntok_t * o = &t[i+j+(z*2)+2];
vpcola 0:f1d3878b8dd9 135 memset(&tempstr[0], 0, sizeof(tempstr));
vpcola 0:f1d3878b8dd9 136 strncpy(&tempstr[0], jsonstring + o->start, o->end - o->start);
vpcola 0:f1d3878b8dd9 137 slv.hthreshold = strtoul(&tempstr[0], NULL, 0);
vpcola 0:f1d3878b8dd9 138 }
vpcola 0:f1d3878b8dd9 139 else
vpcola 0:f1d3878b8dd9 140 {
vpcola 0:f1d3878b8dd9 141 // TODO:
vpcola 0:f1d3878b8dd9 142 }
vpcola 0:f1d3878b8dd9 143 }
vpcola 0:f1d3878b8dd9 144 // Add the radio slave to the vector
vpcola 0:f1d3878b8dd9 145 radiocfg.radios.push_back(slv);
vpcola 0:f1d3878b8dd9 146 i += (t[i+j].size) * 2;
vpcola 0:f1d3878b8dd9 147 }
vpcola 0:f1d3878b8dd9 148 // Move to the end of the object
vpcola 0:f1d3878b8dd9 149 i += 4;
vpcola 0:f1d3878b8dd9 150 }else
vpcola 0:f1d3878b8dd9 151 {
vpcola 0:f1d3878b8dd9 152
vpcola 0:f1d3878b8dd9 153 }
vpcola 0:f1d3878b8dd9 154 }
vpcola 0:f1d3878b8dd9 155
vpcola 0:f1d3878b8dd9 156 return 0;
vpcola 0:f1d3878b8dd9 157 }