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A bit closer to websockets.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4696 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2023-12-25 22:53:05 +00:00
parent 9f2f9bd8b0
commit ccebf831e7
4 changed files with 184 additions and 113 deletions
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53
src/httpd.js.c
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@ -100,14 +100,62 @@ static JSValue _httpd_response_end(JSContext* context, JSValueConst this_val, in
return JS_UNDEFINED;
}
static JSValue _httpd_response_send(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
tf_http_request_t* request = JS_GetOpaque(this_val, _httpd_request_class_id);
int opcode = 0x1;
JS_ToInt32(context, &opcode, argv[1]);
uint64_t length = 0;
size_t length_size = 0;
const char* message = JS_ToCStringLen(context, &length_size, argv[0]);
length = length_size;
uint8_t* copy = tf_malloc(length + 16);
bool fin = true;
size_t header = 1;
copy[0] = (fin ? (1 << 7) : 0) | (opcode & 0xf);
if (length < 126)
{
copy[1] = length;
header += 2;
}
else if (length < (1 << 16))
{
copy[1] = 126;
copy[2] = (length >> 8) & 0xff;
copy[3] = (length >> 0) & 0xff;
header += 4;
}
else
{
uint32_t high = (length >> 32) & 0xffffffff;
uint32_t low = (length >> 0) & 0xffffffff;
copy[1] = 127;
copy[2] = (high >> 24) & 0xff;
copy[3] = (high >> 16) & 0xff;
copy[4] = (high >> 8) & 0xff;
copy[5] = (high >> 0) & 0xff;
copy[6] = (low >> 24) & 0xff;
copy[7] = (low >> 16) & 0xff;
copy[8] = (low >> 8) & 0xff;
copy[9] = (low >> 0) & 0xff;
header += 10;
}
memcpy(copy + header, message, length);
tf_printf("SEND [%.*s]\n", (int)length, message);
tf_http_request_send(request, copy, header + length);
tf_free(copy);
JS_FreeCString(context, message);
return JS_UNDEFINED;
}
static void _httpd_callback(tf_http_request_t* request)
{
#if 0
if (request->flags & k_tf_http_handler_flag_websocket)
{
const char* header_connection = tf_http_request_get_header(request, "connection");
const char* header_upgrade = tf_http_request_get_header(request, "upgrade");
const char* header_sec_websocket_key = tf_http_request_get_header(request, "sec-websocket-key");
tf_printf("\n%s\n%s\n%s\n\n", header_connection, header_upgrade, header_sec_websocket_key);
if (header_connection &&
header_upgrade &&
header_sec_websocket_key &&
@ -136,9 +184,9 @@ static void _httpd_callback(tf_http_request_t* request)
!tf_http_request_get_header(request, "sec-websocket-version") ||
strcmp(tf_http_request_get_header(request, "sec-websocket-version"), "13") != 0;
tf_http_respond(request, 101, headers, send_version ? k_headers_count : (k_headers_count - 1), NULL, 0);
return;
}
}
#endif
http_handler_data_t* data = request->user_data;
JSContext* context = data->context;
@ -169,6 +217,7 @@ static void _httpd_callback(tf_http_request_t* request)
JS_SetOpaque(response_object, request);
JS_SetPropertyStr(context, response_object, "writeHead", JS_NewCFunction(context, _httpd_response_write_head, "writeHead", 2));
JS_SetPropertyStr(context, response_object, "end", JS_NewCFunction(context, _httpd_response_end, "end", 1));
JS_SetPropertyStr(context, response_object, "send", JS_NewCFunction(context, _httpd_response_send, "send", 2));
JSValue args[] =
{
request_object,