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Revert "undo streaming data out"

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This reverts commit d37c2f60ec.
This commit is contained in:
zefie
2021-08-12 00:42:54 -04:00
parent 9af4a95e44
commit 896bba7c4b
1 changed files with 37 additions and 3 deletions
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40
zefie_wtvp_minisrv/app.js
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@@ -721,21 +721,55 @@ async function sendToClient(socket, headers_obj, data) {
var toClient = null;
if (typeof data == 'string') {
toClient = headers + end_of_line + data;
socket.write(Buffer.from(toClient));
sendToSocket(socket, Buffer.from(toClient));
} else if (typeof data == 'object') {
if (minisrv_config.config.debug_flags.quiet) var verbosity_mod = (headers_obj["wtv-encrypted"] == 'true') ? " encrypted response" : "";
if (socket_sessions[socket.id].secure_headers == true) {
// encrypt headers
if (minisrv_config.config.debug_flags.quiet) verbosity_mod += " with encrypted headers";
var enc_headers = socket_sessions[socket.id].wtvsec.Encrypt(1, headers + end_of_line);
socket.write(new Buffer.from(concatArrayBuffer(enc_headers, data)));
sendToSocket(socket, new Buffer.from(concatArrayBuffer(enc_headers, data)));
} else {
socket.write(new Buffer.from(concatArrayBuffer(Buffer.from(headers + end_of_line), data)));
sendToSocket(socket, new Buffer.from(concatArrayBuffer(Buffer.from(headers + end_of_line), data)));
}
if (minisrv_config.config.debug_flags.quiet) console.log(" * Sent" + verbosity_mod + " " + headers_obj.http_response + " to client (Content-Type:", headers_obj['Content-Type'], "~", headers_obj['Content-length'], "bytes)");
}
}
async function sendToSocket(socket, data, chunk_offset = 0) {
// buffer size = lesser of minisrv_config.config.chunk_size or size remaining
var chunk_size = 16384;
var can_write = true;
var data_left = 0;
while (data_left != data.byteLength && can_write) {
var data_left = (data.byteLength - chunk_offset);
if (data_left === 0) break;
var buffer_size = (data_left >= chunk_size) ? chunk_size : data_left;
var chunk = new Buffer.alloc(buffer_size);
chunk_offset += data.copy(chunk, 0, chunk_offset, (chunk_offset + buffer_size));
can_write = socket.write(chunk);
if (!can_write) {
socket.once('drain', function () {
sendToSocket(socket, data, socket.bytesWritten);
});
break;
}
}
if (data_left == data.byteLength) {
if (socket_sessions[socket.id].expecting_post_data) delete socket_sessions[socket.id].expecting_post_data;
if (socket_sessions[socket.id].header_buffer) delete socket_sessions[socket.id].header_buffer;
if (socket_sessions[socket.id].secure_buffer) delete socket_sessions[socket.id].secure_buffer;
if (socket_sessions[socket.id].buffer) delete socket_sessions[socket.id].buffer;
if (socket_sessions[socket.id].headers) delete socket_sessions[socket.id].headers;
if (socket_sessions[socket.id].post_data) delete socket_sessions[socket.id].post_data;
if (socket_sessions[socket.id].post_data_length) delete socket_sessions[socket.id].post_data_length;
if (socket_sessions[socket.id].post_data_percents_shown) delete socket_sessions[socket.id].post_data_percents_shown;
socket.setTimeout(minisrv_config.config.socket_timeout * 1000);
if (socket_sessions[socket.id].close_me) socket.end();
if (socket_sessions[socket.id].destroy_me) socket.destroy();
}
}
function concatArrayBuffer(buffer1, buffer2) {
var tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);