void Webserver::SendJsonResponse(const char* command)
{
Network *net = reprap.GetNetwork();
RequestState *req = net->GetRequest(NULL);
bool keepOpen = false;
bool mayKeepOpen;
if (numQualKeys == 0)
{
mayKeepOpen = GetJsonResponse(command, "", "", 0);
}
else
{
mayKeepOpen = GetJsonResponse(command, qualifiers[0].key, qualifiers[0].value, qualifiers[1].key - qualifiers[0].value - 1);
}
if (mayKeepOpen)
{
// Check that the browser wants to persist the connection too
for (size_t i = 0; i < numHeaderKeys; ++i)
{
if (StringEquals(headers[i].key, "Connection"))
{
// Comment out the following line to disable persistent connections
keepOpen = StringEquals(headers[i].value, "keep-alive");
break;
}
}
}
req->Write("HTTP/1.1 200 OK\n");
req->Write("Content-Type: application/json\n");
req->Printf("Content-Length: %u\n", strlen(jsonResponse));
req->Printf("Connection: %s\n\n", keepOpen ? "keep-alive" : "close");
req->Write(jsonResponse);
net->SendAndClose(NULL, keepOpen);
}
void Webserver::SendFile(const char* nameOfFileToSend)
{
char sLen[SHORT_STRING_LENGTH];
bool zip = false;
if(StringStartsWith(nameOfFileToSend, KO_START))
GetJsonResponse(&nameOfFileToSend[KO_FIRST]);
if(jsonPointer < 0)
{
fileBeingSent = platform->GetFileStore(platform->GetWebDir(), nameOfFileToSend, false);
if(fileBeingSent == NULL)
{
nameOfFileToSend = FOUR04_FILE;
fileBeingSent = platform->GetFileStore(platform->GetWebDir(), nameOfFileToSend, false);
}
writing = (fileBeingSent != NULL);
}
Network *net = platform->GetNetwork();
net->Write("HTTP/1.1 200 OK\n");
net->Write("Content-Type: ");
if(StringEndsWith(nameOfFileToSend, ".png"))
net->Write("image/png\n");
else if(StringEndsWith(nameOfFileToSend, ".ico"))
net->Write("image/x-icon\n");
else if (jsonPointer >= 0)
net->Write("application/json\n");
else if(StringEndsWith(nameOfFileToSend, ".js"))
net->Write("application/javascript\n");
else if(StringEndsWith(nameOfFileToSend, ".css"))
net->Write("text/css\n");
else if(StringEndsWith(nameOfFileToSend, ".htm") || StringEndsWith(nameOfFileToSend, ".html"))
net->Write("text/html\n");
else if(StringEndsWith(nameOfFileToSend, ".zip"))
{
net->Write("application/zip\n");
zip = true;
} else
net->Write("application/octet-stream\n");
if (jsonPointer >=0)
{
net->Write("Content-Length: ");
snprintf(sLen, SHORT_STRING_LENGTH, "%d", strlen(jsonResponse));
net->Write(sLen);
net->Write("\n");
}
if(zip)
{
net->Write("Content-Encoding: gzip\n");
net->Write("Content-Length: ");
snprintf(sLen, SHORT_STRING_LENGTH, "%llu", fileBeingSent->Length());
net->Write(sLen);
net->Write("\n");
}
net->Write("Connection: close\n");
net->Write('\n');
}
