For anyone that is interested, I have managed to achieve what I want. I
will be the first to declare its unelegant, but it does work. The basic
approach I have taken is to create my own implementation of console.log()
as was suggested by others, by doing the following. I would add, I would
have loved to have achieved this in a more elegant way, and in the C++
domain for cleanness, but the v8 API does not make it easy to do stuff like
this, especially with my limited knowledge/experience of the v8 library/API
In the C++ domain, I have created a new global function *coneole_write(int,
const char*)* which deals with my application-specific needs to writing to
my console, I attached this to the global object template. This being a
global function, and because the process can handle multiple concurrent
requests (and isolate per thread in our model), I needed to give the global
function a context (aka which console socket to write to). To do this I
took a leaf out of the v8 design book and used thread local storage to hold
my context information, this appears to be the way v8 holds its isolate
context. The global function takes an integer where 0=clear console,
1=log, 2=info, 3=warn etc...
Now to get the console.log() functions working in the javascript domain,
our implementation runs an init script, this is some JavaScript that
provides some application-specific functions as well as dealing with
initializing some global values. I added the following JavaScript to this,
which effectively re-defines the console object and gives me the subset I
need for my application.
* console = {*
* log: function(...args) {*
* console_write(1, args.join(", "));*
* },\r\n"*
* info: function(...args) {\r\n"*
* console_write(2, args.join(", "));*
* },*
* warn: function(...args) {*
* console_write(3, args.join(", "));*
* },*
* debug: function(...args) {*
* console_write(4, args.join(", "));*
* },*
* error: function(...args)*
* console_write(5, args.join(", "));*
* },*
* clear: function()*
* console_write(0)*
* }*
* }*
When I find a more elegant way of doing this IN THE C++ domain I will post
again, but for now its working and I can move on. Hopefully, others might
find this useful.
Gerry
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