void readResponse (char *buf, int max_len, int content_len) {
// Read content.
int len = wifly.readBytes(buf, max_len > content_len ? content_len : max_len);
buf[len] = '\0'; // insurance
// Flush buffer.
while (wifly.available() > 0) {
wifly.read();
}
}
void readResponseHeaders (int *status_code, int *content_len) {
boolean line_start = true;
char toss[1], buf[64];
int len;
*content_len = *status_code = 0;
// HTTP/1.1 xxx
if (wifly.readBytes(buf, 9) == 0) {
return;
}
if (wifly.readBytes(buf, 3) == 0) {
return;
}
buf[3] = '\0';
*status_code = strtol(buf, NULL, 10);
if (wifly.readBytesUntil('\n', buf, sizeof(buf)) == 0) {
return;
}
while (true) {
// Read first character of line.
if (wifly.readBytes(buf, 1) == 0) {
return;
}
char ch = buf[0];
if (line_start) {
// Beginning content.
if (ch == '\r') {
// read ...\n\r\n
if (wifly.readBytes(buf, 1) == 0) {
return;
}
break;
}
}
// Read header name.
len = wifly.readBytesUntil(':', &buf[1], sizeof(buf) - 2);
if (len == 0) {
return;
}
buf[len + 1] = '\0';
// space
if (wifly.readBytes(toss, 1) == 0) {
return;
}
if (strncmp(buf, "Content-Length", len) == 0) {
len = wifly.readBytesUntil('\n', buf, sizeof(buf));
if (len == 0) {
return;
}
buf[len] = '\0';
*content_len = atoi(buf);
} else {
if (wifly.readBytesUntil('\n', buf, sizeof(buf)) == 0) {
return;
}
}
}
}