// loads json array of strings, outs is optional
void keyLoad(const char *array, int *outs, unsigned long at) {
unsigned short *index;
unsigned int i;
unsigned int oi=1;
if (!array || !*array) {
return;
}
index = (unsigned short*)malloc(strlen(array));
if (!index) {
outs[0] = 0;
return;
}
j0g((char*)array, index, strlen(array));
for (i=0; index[i]; i+=2) {
int k = keyMap(j0g_safe(i, (char*)array, index), at);
if (outs) {
outs[oi++] = k;
}
}
if (outs) {
outs[0] = oi-1;
}
free(index);
}
// this is called on the main loop to try to (re)connect to the HQ
void leadHQHandle(void) {
static char *buffer = NULL;
uint8_t block[128];
char *nl;
int rsize, len;
unsigned short index[32]; // <10 keypairs in the incoming json
// only continue if new data to read
if (!Scout.wifi.client.available()) {
return;
}
// check to initialize our read buffer
if (!buffer) {
buffer = (char*)malloc(1);
*buffer = 0;
}
// get all waiting data and look for packets
while (rsize = Scout.wifi.client.read(block, sizeof(block))) {
len = strlen(buffer);
// process chunk of incoming data
buffer = (char*)realloc(buffer, len + rsize + 1);
if (!buffer) {
return; // TODO, realloc error, need to restart?
}
memcpy(buffer + len, block, rsize);
buffer[len + rsize] = 0; // null terminate
// look for a packet
if (hqVerboseOutput) {
sp("looking for packet in: ");
speol(buffer);
}
nl = strchr(buffer, '\n');
if (!nl) {
continue;
}
// null terminate just the packet and process it
*nl = 0;
j0g(buffer, index, 32);
if (*index) {
leadIncoming(buffer, index);
} else {
if (hqVerboseOutput) {
speol("JSON parse failed");
}
}
// advance buffer and resize, minimum is just the buffer end null
nl++;
len = strlen(nl);
memmove(buffer, nl, len+1);
buffer = (char*)realloc(buffer, len+1); // shrink
}
}
