void ESP8266WebServer::_prepareHeader(String& response, int code, const char* content_type, size_t contentLength) {
response = "HTTP/1."+String(_currentVersion)+" ";
response += String(code);
response += " ";
response += _responseCodeToString(code);
response += "\r\n";
if (!content_type)
content_type = "text/html";
sendHeader("Content-Type", content_type, true);
if (_contentLength == CONTENT_LENGTH_NOT_SET) {
sendHeader("Content-Length", String(contentLength));
} else if (_contentLength != CONTENT_LENGTH_UNKNOWN) {
sendHeader("Content-Length", String(_contentLength));
} else if(_contentLength == CONTENT_LENGTH_UNKNOWN && _currentVersion){ //HTTP/1.1 or above client
//let's do chunked
_chunked = true;
sendHeader("Accept-Ranges","none");
sendHeader("Transfer-Encoding","chunked");
}
sendHeader("Connection", "close");
response += _responseHeaders;
response += "\r\n";
_responseHeaders = String();
}
void ESP8266WebServer::send(int code, const char* content_type, String content) {
String response = "HTTP/1.1 ";
response += String(code);
response += " ";
response += _responseCodeToString(code);
response += "\r\n";
if (!content_type)
content_type = "text/html";
_appendHeader(response, "Content-Type", content_type);
response += "\r\n";
response += content;
_currentClient.print(response);
}
void ESP8266WebServer::_prepareHeader(String& response, int code, const char* content_type, size_t contentLength) {
response = "HTTP/1.1 ";
response += String(code);
response += " ";
response += _responseCodeToString(code);
response += "\r\n";
if (!content_type)
content_type = "text/html";
sendHeader("Content-Type", content_type, true);
if (_contentLength == CONTENT_LENGTH_NOT_SET) {
sendHeader("Content-Length", String(contentLength));
} else if (_contentLength != CONTENT_LENGTH_UNKNOWN) {
sendHeader("Content-Length", String(_contentLength));
}
sendHeader("Connection", "close");
sendHeader("Access-Control-Allow-Origin", "*");
response += _responseHeaders;
response += "\r\n";
_responseHeaders = String();
}
String AsyncWebServerResponse::_assembleHead(uint8_t version){
if(version){
addHeader("Accept-Ranges","none");
if(_chunked)
addHeader("Transfer-Encoding","chunked");
}
String out = "HTTP/1." + String(version) + " " + String(_code) + " " + _responseCodeToString(_code) + "\r\n";
if(_sendContentLength)
out += "Content-Length: " + String(_contentLength) + "\r\n";
if(_contentType.length())
out += "Content-Type: " + _contentType + "\r\n";
AsyncWebHeader *h;
while(_headers != NULL){
h = _headers;
_headers = _headers->next;
out += h->toString();
delete h;
}
out += "\r\n";
_headLength = out.length();
return out;
}
