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just in case

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zefie
2021-08-12 01:40:12 -04:00
parent 0a4cbf10cf
commit 63680781b3
1 changed files with 7 additions and 1 deletions
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8
zefie_wtvp_minisrv/app.js
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@@ -739,6 +739,7 @@ async function sendToClient(socket, headers_obj, data) {
async function sendToSocket(socket, data) {
var chunk_size = 16384;
var can_write = true;
var close_socket = false;
var expected_data_out = 0;
while ((socket.bytesWritten == 0 || socket.bytesWritten != expected_data_out) && can_write) {
if (expected_data_out === 0) expected_data_out = data.byteLength + (socket_sessions[socket.id].socket_total_written || 0);
@@ -747,6 +748,11 @@ async function sendToSocket(socket, data) {
var data_left = (expected_data_out - socket.bytesWritten);
// buffer size = lesser of chunk_size or size remaining
var buffer_size = (data_left >= chunk_size) ? chunk_size : data_left;
if (buffer_size < 0) {
socket.destroy();
close_socket = true;
break;
}
var offset = (data.byteLength - data_left);
var chunk = new Buffer.alloc(buffer_size);
data.copy(chunk, 0, offset, (offset + buffer_size));
@@ -758,7 +764,7 @@ async function sendToSocket(socket, data) {
break;
}
}
if (socket.bytesWritten == expected_data_out) {
if (socket.bytesWritten == expected_data_out || close_socket) {
socket_sessions[socket.id].socket_total_written = socket.bytesWritten;
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;