1306 lines
34 KiB
Plaintext
1306 lines
34 KiB
Plaintext
// Hidden vars (os, actorsym, init, core_path, shop_path, json, args) come from env
|
|
// Engine is self-sufficient: defines its own compilation pipeline
|
|
var ACTORDATA = actorsym
|
|
var native_mode = false
|
|
var SYSYM = '__SYSTEM__'
|
|
|
|
var _cell = {}
|
|
var need_stop = false
|
|
|
|
var cases = {
|
|
Windows: '.dll',
|
|
macOS: '.dylib',
|
|
Linux: '.so'
|
|
}
|
|
|
|
var dylib_ext = cases[os.platform()]
|
|
|
|
var MOD_EXT = '.cm'
|
|
var ACTOR_EXT = '.ce'
|
|
|
|
var load_internal = os.load_internal
|
|
function use_embed(name) {
|
|
return load_internal("js_core_" + name + "_use")
|
|
}
|
|
|
|
var fd = use_embed('internal_fd')
|
|
var js = use_embed('js')
|
|
var crypto = use_embed('crypto')
|
|
|
|
// core_path and shop_path come from env (C runtime passes them through)
|
|
// shop_path may be null if --core was used without --shop
|
|
var packages_path = shop_path ? shop_path + '/packages' : null
|
|
|
|
// Self-sufficient initialization: content-addressed cache
|
|
var use_cache = {}
|
|
|
|
function content_hash(content) {
|
|
return text(crypto.blake2(content), 'h')
|
|
}
|
|
|
|
function cache_path(hash) {
|
|
if (!shop_path) return null
|
|
return shop_path + '/build/' + hash
|
|
}
|
|
|
|
function ensure_build_dir() {
|
|
if (!shop_path) return null
|
|
var dir = shop_path + '/build'
|
|
if (!fd.is_dir(dir)) fd.mkdir(dir)
|
|
return dir
|
|
}
|
|
|
|
// Load a boot seed module (for compiling pipeline modules on cache miss)
|
|
function boot_load(name) {
|
|
var mcode_path = core_path + '/boot/' + name + '.cm.mcode'
|
|
var mcode_blob = null
|
|
var mach_blob = null
|
|
if (!fd.is_file(mcode_path)) {
|
|
print("error: missing boot seed: " + name + "\n")
|
|
disrupt
|
|
}
|
|
mcode_blob = fd.slurp(mcode_path)
|
|
mach_blob = mach_compile_mcode_bin(name, text(mcode_blob))
|
|
return mach_load(mach_blob, stone({use: use_embed}))
|
|
}
|
|
|
|
// Load a pipeline module from cache; on miss compile from source via boot chain
|
|
function load_pipeline_module(name, env) {
|
|
var source_path = core_path + '/' + name + '.cm'
|
|
var source_blob = null
|
|
var hash = null
|
|
var cached = null
|
|
var mcode_path = null
|
|
var mcode_blob = null
|
|
var mach_blob = null
|
|
var src = null
|
|
var boot_tok = null
|
|
var boot_par = null
|
|
var boot_fld = null
|
|
var boot_mc = null
|
|
var boot_sl = null
|
|
var tok_result = null
|
|
var ast = null
|
|
var compiled = null
|
|
var mcode_json = null
|
|
if (fd.is_file(source_path)) {
|
|
source_blob = fd.slurp(source_path)
|
|
hash = content_hash(source_blob)
|
|
cached = cache_path(hash)
|
|
if (cached && fd.is_file(cached))
|
|
return mach_load(fd.slurp(cached), env)
|
|
|
|
// Cache miss: compile from source using boot seed pipeline
|
|
mcode_path = core_path + '/boot/' + name + '.cm.mcode'
|
|
if (fd.is_file(mcode_path)) {
|
|
boot_tok = boot_load("tokenize")
|
|
boot_par = boot_load("parse")
|
|
boot_fld = boot_load("fold")
|
|
boot_mc = boot_load("mcode")
|
|
src = text(source_blob)
|
|
tok_result = boot_tok(src, source_path)
|
|
ast = boot_par(tok_result.tokens, src, source_path, boot_tok)
|
|
if (ast.errors != null && length(ast.errors) > 0) {
|
|
print("error: failed to compile pipeline module: " + name + "\n")
|
|
disrupt
|
|
}
|
|
ast = boot_fld(ast)
|
|
compiled = boot_mc(ast)
|
|
boot_sl = boot_load("streamline")
|
|
compiled = boot_sl(compiled)
|
|
mcode_json = json.encode(compiled)
|
|
mach_blob = mach_compile_mcode_bin(name, mcode_json)
|
|
if (cached) {
|
|
ensure_build_dir()
|
|
fd.slurpwrite(cached, mach_blob)
|
|
}
|
|
return mach_load(mach_blob, env)
|
|
}
|
|
}
|
|
// Last resort: boot seed as runtime (no source file found)
|
|
mcode_path = core_path + '/boot/' + name + '.cm.mcode'
|
|
if (fd.is_file(mcode_path)) {
|
|
mcode_blob = fd.slurp(mcode_path)
|
|
mach_blob = mach_compile_mcode_bin(name, text(mcode_blob))
|
|
return mach_load(mach_blob, env)
|
|
}
|
|
print("error: cannot load pipeline module: " + name + "\n")
|
|
disrupt
|
|
}
|
|
|
|
// Load compilation pipeline
|
|
var pipeline_env = stone({use: use_embed})
|
|
var tokenize_mod = load_pipeline_module('tokenize', pipeline_env)
|
|
var parse_mod = load_pipeline_module('parse', pipeline_env)
|
|
var fold_mod = load_pipeline_module('fold', pipeline_env)
|
|
var mcode_mod = load_pipeline_module('mcode', pipeline_env)
|
|
var streamline_mod = load_pipeline_module('streamline', pipeline_env)
|
|
|
|
use_cache['tokenize'] = tokenize_mod
|
|
use_cache['parse'] = parse_mod
|
|
use_cache['fold'] = fold_mod
|
|
use_cache['mcode'] = mcode_mod
|
|
use_cache['core/mcode'] = mcode_mod
|
|
use_cache['streamline'] = streamline_mod
|
|
use_cache['core/streamline'] = streamline_mod
|
|
|
|
// analyze: tokenize + parse + fold, check for errors
|
|
function analyze(src, filename) {
|
|
var tok_result = tokenize_mod(src, filename)
|
|
var _ast = parse_mod(tok_result.tokens, src, filename, tokenize_mod)
|
|
var _i = 0
|
|
var prev_line = -1
|
|
var prev_msg = null
|
|
var e = null
|
|
var msg = null
|
|
var line = null
|
|
var col = null
|
|
var has_errors = _ast.errors != null && length(_ast.errors) > 0
|
|
if (has_errors) {
|
|
while (_i < length(_ast.errors)) {
|
|
e = _ast.errors[_i]
|
|
msg = e.message
|
|
line = e.line
|
|
col = e.column
|
|
if (msg != prev_msg || line != prev_line) {
|
|
if (line != null && col != null)
|
|
print(`${filename}:${text(line)}:${text(col)}: error: ${msg}`)
|
|
else
|
|
print(`${filename}: error: ${msg}`)
|
|
}
|
|
prev_line = line
|
|
prev_msg = msg
|
|
_i = _i + 1
|
|
}
|
|
disrupt
|
|
}
|
|
return fold_mod(_ast)
|
|
}
|
|
|
|
// Lazy-loaded verify_ir module (loaded on first use)
|
|
var _verify_ir_mod = null
|
|
|
|
// Run AST through mcode pipeline -> register VM
|
|
function run_ast_fn(name, ast, env) {
|
|
var compiled = mcode_mod(ast)
|
|
if (os._verify_ir) {
|
|
if (_verify_ir_mod == null) {
|
|
_verify_ir_mod = load_pipeline_module('verify_ir', pipeline_env)
|
|
}
|
|
compiled._verify = true
|
|
compiled._verify_mod = _verify_ir_mod
|
|
}
|
|
var optimized = streamline_mod(compiled)
|
|
if (optimized._verify) {
|
|
delete optimized._verify
|
|
delete optimized._verify_mod
|
|
}
|
|
var mcode_json = json.encode(optimized)
|
|
var mach_blob = mach_compile_mcode_bin(name, mcode_json)
|
|
return mach_load(mach_blob, env)
|
|
}
|
|
|
|
// Run AST through mcode pipeline WITHOUT optimization -> register VM
|
|
function run_ast_noopt_fn(name, ast, env) {
|
|
var compiled = mcode_mod(ast)
|
|
var mcode_json = json.encode(compiled)
|
|
var mach_blob = mach_compile_mcode_bin(name, mcode_json)
|
|
return mach_load(mach_blob, env)
|
|
}
|
|
|
|
// Compile AST to blob without loading (for caching)
|
|
function compile_to_blob(name, ast) {
|
|
var compiled = mcode_mod(ast)
|
|
var optimized = streamline_mod(compiled)
|
|
return mach_compile_mcode_bin(name, json.encode(optimized))
|
|
}
|
|
|
|
// If loaded directly by C runtime (not via bootstrap), convert args -> init
|
|
var _program = null
|
|
var _user_args = []
|
|
var _j = 1
|
|
var _init = init
|
|
|
|
// Inherit native_mode from init (set by C for --native, or by parent actor)
|
|
if (_init != null && _init.native_mode)
|
|
native_mode = true
|
|
|
|
// CLI path: convert args to init record
|
|
if (args != null && (_init == null || !_init.program)) {
|
|
_program = args[0]
|
|
while (_j < length(args)) {
|
|
push(_user_args, args[_j])
|
|
_j = _j + 1
|
|
}
|
|
if (_init == null) {
|
|
_init = {program: _program, arg: _user_args}
|
|
} else {
|
|
_init.program = _program
|
|
_init.arg = _user_args
|
|
}
|
|
}
|
|
|
|
use_cache['core/os'] = os
|
|
|
|
// Extra env properties added as engine initializes (log, runtime fns, etc.)
|
|
var core_extras = {}
|
|
|
|
// Load a core module from the file system
|
|
function use_core(path) {
|
|
var cache_key = 'core/' + path
|
|
var env = null
|
|
if (use_cache[cache_key])
|
|
return use_cache[cache_key]
|
|
|
|
var sym = use_embed(replace(path, '/', '_'))
|
|
var result = null
|
|
var script = null
|
|
var ast = null
|
|
var _load_mod = null
|
|
|
|
// Build env: merge core_extras
|
|
env = {use: use_core}
|
|
arrfor(array(core_extras), function(k) { env[k] = core_extras[k] })
|
|
env = stone(env)
|
|
|
|
var hash = null
|
|
var cached_path = null
|
|
var mach_blob = null
|
|
var source_blob = null
|
|
var file_path = null
|
|
|
|
// Compile from source .cm file
|
|
file_path = core_path + '/' + path + MOD_EXT
|
|
if (fd.is_file(file_path)) {
|
|
_load_mod = function() {
|
|
source_blob = fd.slurp(file_path)
|
|
hash = content_hash(source_blob)
|
|
cached_path = cache_path(hash)
|
|
if (cached_path && fd.is_file(cached_path)) {
|
|
result = mach_load(fd.slurp(cached_path), env)
|
|
} else {
|
|
script = text(source_blob)
|
|
ast = analyze(script, file_path)
|
|
mach_blob = compile_to_blob('core:' + path, ast)
|
|
if (cached_path) {
|
|
ensure_build_dir()
|
|
fd.slurpwrite(cached_path, mach_blob)
|
|
}
|
|
result = mach_load(mach_blob, env)
|
|
}
|
|
} disruption {
|
|
print("use('" + path + "'): failed to compile or load " + file_path + "\n")
|
|
disrupt
|
|
}
|
|
_load_mod()
|
|
use_cache[cache_key] = result
|
|
return result
|
|
}
|
|
|
|
// Embedded C module only
|
|
use_cache[cache_key] = sym
|
|
return sym
|
|
}
|
|
|
|
// Load full modules via use_core (extends C embeds with .cm additions, and caches)
|
|
fd = use_core('fd')
|
|
use_core('js')
|
|
var blob = use_core('blob')
|
|
|
|
function actor() {
|
|
|
|
}
|
|
|
|
var actor_mod = use_core('actor')
|
|
var wota = use_core('wota')
|
|
var nota = use_core('nota')
|
|
|
|
|
|
var ENETSERVICE = 0.1
|
|
var REPLYTIMEOUT = 60 // seconds before replies are ignored
|
|
|
|
// --- Logging system (bootstrap phase) ---
|
|
// Early log: prints to console before toml/time/json are loaded.
|
|
// Upgraded to full sink-based system after config loads (see load_log_config below).
|
|
|
|
var log_config = null
|
|
var channel_sinks = {}
|
|
var wildcard_sinks = []
|
|
var warned_channels = {}
|
|
var stack_channels = {}
|
|
|
|
function log(name, args) {
|
|
var msg = args[0]
|
|
if (msg == null) msg = ""
|
|
os.print(`[${text(_cell.id, 0, 5)}] [${name}]: ${msg}\n`)
|
|
}
|
|
|
|
function actor_die(err)
|
|
{
|
|
var reason = null
|
|
var unders = null
|
|
|
|
if (err && is_function(err.toString)) {
|
|
os.print(err.toString())
|
|
os.print("\n")
|
|
if (err.stack) os.print(err.stack)
|
|
}
|
|
|
|
if (overling) {
|
|
if (err) {
|
|
// with an err, this is a forceful disrupt
|
|
reason = err
|
|
report_to_overling({type:'disrupt', reason})
|
|
} else
|
|
report_to_overling({type:'stop'})
|
|
}
|
|
|
|
if (underlings) {
|
|
unders = array(underlings)
|
|
arrfor(unders, function(id, index) {
|
|
log.console(`calling on ${id} to disrupt too`)
|
|
$_.stop(create_actor({id}))
|
|
})
|
|
}
|
|
|
|
if (err) {
|
|
if (err.message)
|
|
log.console(err.message)
|
|
if (err.stack)
|
|
log.console(err.stack)
|
|
}
|
|
|
|
actor_mod["disrupt"]()
|
|
}
|
|
|
|
|
|
|
|
actor_mod.on_exception(actor_die)
|
|
|
|
_cell.args = _init != null ? _init : {}
|
|
|
|
function create_actor(desc) {
|
|
var _desc = desc == null ? {id:guid()} : desc
|
|
var actor = {}
|
|
actor[ACTORDATA] = _desc
|
|
stone(actor)
|
|
return actor
|
|
}
|
|
|
|
var $_ = {}
|
|
|
|
use_cache['core/json'] = json
|
|
|
|
// Create runtime_env early (empty) -- filled after pronto loads.
|
|
// Shop accesses it lazily (in inject_env, called at module-use time, not load time)
|
|
// so it sees the filled version.
|
|
var runtime_env = {}
|
|
|
|
// Populate core_extras with everything shop (and other core modules) need
|
|
core_extras.use_cache = use_cache
|
|
core_extras.core_path = core_path
|
|
core_extras.shop_path = shop_path
|
|
core_extras.analyze = analyze
|
|
core_extras.run_ast_fn = run_ast_fn
|
|
core_extras.run_ast_noopt_fn = run_ast_noopt_fn
|
|
os.analyze = analyze
|
|
os.run_ast_fn = run_ast_fn
|
|
os.run_ast_noopt_fn = run_ast_noopt_fn
|
|
core_extras.core_json = json
|
|
core_extras.actor_api = $_
|
|
core_extras.log = log
|
|
core_extras.runtime_env = runtime_env
|
|
core_extras.content_hash = content_hash
|
|
core_extras.cache_path = cache_path
|
|
core_extras.ensure_build_dir = ensure_build_dir
|
|
core_extras.compile_to_blob = compile_to_blob
|
|
core_extras.native_mode = native_mode
|
|
|
|
// NOW load shop -- it receives all of the above via env
|
|
var shop = use_core('internal/shop')
|
|
if (native_mode) use_core('build')
|
|
var time = use_core('time')
|
|
var toml = use_core('toml')
|
|
|
|
// --- Logging system (full version) ---
|
|
// Now that toml, time, fd, and json are available, upgrade the log function
|
|
// from the bootstrap version to a configurable sink-based system.
|
|
|
|
function ensure_log_dir(path) {
|
|
var parts = array(path, '/')
|
|
var current = starts_with(path, '/') ? '/' : ''
|
|
var i = 0
|
|
// ensure parent dir (skip last element which is the filename)
|
|
for (i = 0; i < length(parts) - 1; i++) {
|
|
if (parts[i] == '') continue
|
|
current = current + parts[i] + '/'
|
|
if (!fd.is_dir(current)) fd.mkdir(current)
|
|
}
|
|
}
|
|
|
|
function build_sink_routing() {
|
|
channel_sinks = {}
|
|
wildcard_sinks = []
|
|
stack_channels = {}
|
|
var names = array(log_config.sink)
|
|
arrfor(names, function(name) {
|
|
var sink = log_config.sink[name]
|
|
sink._name = name
|
|
if (!is_array(sink.channels)) sink.channels = []
|
|
if (is_text(sink.exclude)) sink.exclude = [sink.exclude]
|
|
if (!is_array(sink.exclude)) sink.exclude = []
|
|
if (is_text(sink.stack)) sink.stack = [sink.stack]
|
|
if (!is_array(sink.stack)) sink.stack = []
|
|
if (sink.type == "file" && sink.path) ensure_log_dir(sink.path)
|
|
arrfor(sink.stack, function(ch) {
|
|
stack_channels[ch] = true
|
|
})
|
|
arrfor(sink.channels, function(ch) {
|
|
if (ch == "*") {
|
|
wildcard_sinks[] = sink
|
|
return
|
|
}
|
|
if (!channel_sinks[ch]) channel_sinks[ch] = []
|
|
channel_sinks[ch][] = sink
|
|
})
|
|
})
|
|
}
|
|
|
|
function load_log_config() {
|
|
var log_path = null
|
|
if (shop_path) {
|
|
log_path = shop_path + '/log.toml'
|
|
if (fd.is_file(log_path)) {
|
|
log_config = toml.decode(text(fd.slurp(log_path)))
|
|
}
|
|
}
|
|
if (!log_config || !log_config.sink) {
|
|
log_config = {
|
|
sink: {
|
|
terminal: {
|
|
type: "console",
|
|
format: "pretty",
|
|
channels: ["console", "error", "system"],
|
|
stack: ["error"]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
build_sink_routing()
|
|
}
|
|
|
|
function pretty_format(rec) {
|
|
var aid = text(rec.actor_id, 0, 5)
|
|
var src = ""
|
|
var ev = null
|
|
var out = null
|
|
var i = 0
|
|
var fr = null
|
|
if (rec.source && rec.source.file)
|
|
src = rec.source.file + ":" + text(rec.source.line)
|
|
ev = is_text(rec.event) ? rec.event : json.encode(rec.event, false)
|
|
out = `[${aid}] [${rec.channel}] ${src} ${ev}\n`
|
|
if (rec.stack && length(rec.stack) > 0) {
|
|
for (i = 0; i < length(rec.stack); i = i + 1) {
|
|
fr = rec.stack[i]
|
|
out = out + ` at ${fr.fn} (${fr.file}:${text(fr.line)}:${text(fr.col)})\n`
|
|
}
|
|
}
|
|
return out
|
|
}
|
|
|
|
function bare_format(rec) {
|
|
var aid = text(rec.actor_id, 0, 5)
|
|
var ev = is_text(rec.event) ? rec.event : json.encode(rec.event, false)
|
|
var out = `[${aid}] ${ev}\n`
|
|
var i = 0
|
|
var fr = null
|
|
if (rec.stack && length(rec.stack) > 0) {
|
|
for (i = 0; i < length(rec.stack); i = i + 1) {
|
|
fr = rec.stack[i]
|
|
out = out + ` at ${fr.fn} (${fr.file}:${text(fr.line)}:${text(fr.col)})\n`
|
|
}
|
|
}
|
|
return out
|
|
}
|
|
|
|
function sink_excluded(sink, channel) {
|
|
var excluded = false
|
|
if (!sink.exclude || length(sink.exclude) == 0) return false
|
|
arrfor(sink.exclude, function(ex) {
|
|
if (ex == channel) excluded = true
|
|
})
|
|
return excluded
|
|
}
|
|
|
|
function dispatch_to_sink(sink, rec) {
|
|
var line = null
|
|
if (sink_excluded(sink, rec.channel)) return
|
|
if (sink.type == "console") {
|
|
if (sink.format == "json")
|
|
os.print(json.encode(rec, false) + "\n")
|
|
else if (sink.format == "bare")
|
|
os.print(bare_format(rec))
|
|
else
|
|
os.print(pretty_format(rec))
|
|
} else if (sink.type == "file") {
|
|
line = json.encode(rec, false) + "\n"
|
|
fd.slurpappend(sink.path, stone(blob(line)))
|
|
}
|
|
}
|
|
|
|
load_log_config()
|
|
|
|
log = function(name, args) {
|
|
var sinks = channel_sinks[name]
|
|
var event = args[0]
|
|
var c_stack = args[1]
|
|
var caller = null
|
|
var stack = null
|
|
var rec = null
|
|
|
|
if (!sinks && length(wildcard_sinks) == 0) {
|
|
if (!warned_channels[name]) {
|
|
warned_channels[name] = true
|
|
os.print(`[warn] log channel '${name}' has no sinks configured\n`)
|
|
}
|
|
return
|
|
}
|
|
|
|
// C-provided stack (from JS_Log callback) overrides caller_info/os.stack
|
|
if (c_stack && length(c_stack) > 0) {
|
|
caller = {file: c_stack[0].file, line: c_stack[0].line}
|
|
if (stack_channels[name]) stack = c_stack
|
|
} else {
|
|
caller = caller_info(2)
|
|
if (stack_channels[name]) stack = os.stack(1)
|
|
}
|
|
|
|
rec = {
|
|
actor_id: _cell.id,
|
|
timestamp: time.number(),
|
|
channel: name,
|
|
event: event,
|
|
source: caller
|
|
}
|
|
if (stack) rec.stack = stack
|
|
|
|
if (sinks) arrfor(sinks, function(sink) { dispatch_to_sink(sink, rec) })
|
|
arrfor(wildcard_sinks, function(sink) { dispatch_to_sink(sink, rec) })
|
|
}
|
|
|
|
// Wire C-level JS_Log through the ƿit log system
|
|
actor_mod.set_log(log)
|
|
|
|
var pronto = use_core('pronto')
|
|
var fallback = pronto.fallback
|
|
var parallel = pronto.parallel
|
|
var race = pronto.race
|
|
var sequence = pronto.sequence
|
|
|
|
runtime_env.actor = actor
|
|
runtime_env.log = log
|
|
runtime_env.send = send
|
|
runtime_env.shop_path = shop_path
|
|
runtime_env.fallback = fallback
|
|
runtime_env.parallel = parallel
|
|
runtime_env.race = race
|
|
runtime_env.sequence = sequence
|
|
|
|
// Make runtime functions available to modules loaded via use_core
|
|
arrfor(array(runtime_env), function(k) { core_extras[k] = runtime_env[k] })
|
|
|
|
$_.time_limit = function(requestor, seconds)
|
|
{
|
|
if (!pronto.is_requestor(requestor)) {
|
|
log.error('time_limit: first argument must be a requestor')
|
|
disrupt
|
|
}
|
|
if (!is_number(seconds) || seconds <= 0) {
|
|
log.error('time_limit: seconds must be a positive number')
|
|
disrupt
|
|
}
|
|
|
|
return function time_limit_requestor(callback, value) {
|
|
pronto.check_callback(callback, 'time_limit')
|
|
var finished = false
|
|
var requestor_cancel = null
|
|
var timer_cancel = null
|
|
|
|
function cancel(reason) {
|
|
if (finished) return
|
|
finished = true
|
|
if (timer_cancel) {
|
|
timer_cancel()
|
|
timer_cancel = null
|
|
}
|
|
if (requestor_cancel) {
|
|
requestor_cancel(reason)
|
|
requestor_cancel = null
|
|
}
|
|
}
|
|
|
|
function safe_cancel_requestor(reason) {
|
|
if (requestor_cancel) {
|
|
requestor_cancel(reason)
|
|
requestor_cancel = null
|
|
}
|
|
}
|
|
|
|
timer_cancel = $_.delay(function() {
|
|
if (finished) return
|
|
def reason = make_reason(factory, 'Timeout.', seconds)
|
|
safe_cancel_requestor(reason)
|
|
finished = true
|
|
callback(null, reason)
|
|
}, seconds)
|
|
|
|
function do_request() {
|
|
requestor_cancel = requestor(function(val, reason) {
|
|
if (finished) return
|
|
finished = true
|
|
if (timer_cancel) {
|
|
timer_cancel()
|
|
timer_cancel = null
|
|
}
|
|
callback(val, reason)
|
|
}, value)
|
|
} disruption {
|
|
cancel('requestor failed')
|
|
callback(null, 'requestor failed')
|
|
}
|
|
do_request()
|
|
|
|
return function(reason) {
|
|
safe_cancel_requestor(reason)
|
|
}
|
|
}
|
|
}
|
|
|
|
var config = {
|
|
ar_timer: 60,
|
|
actor_memory:0,
|
|
net_service:0.1,
|
|
reply_timeout:60,
|
|
main: true
|
|
}
|
|
|
|
_cell.config = config
|
|
|
|
ENETSERVICE = config.net_service
|
|
REPLYTIMEOUT = config.reply_timeout
|
|
|
|
|
|
|
|
/*
|
|
When handling a message, the message appears like this:
|
|
{
|
|
type: type of message
|
|
- contact: used for contact messages
|
|
- stop: used to issue stop command
|
|
- etc
|
|
reply: ID this message will respond to (callback saved on the actor)
|
|
replycc: the actor that is waiting for the reply
|
|
target: ID of the actor that's supposed to receive the message. Only added to non direct sends (out of portals)
|
|
return: reply ID so the replycc actor can know what callback to send the message to
|
|
|
|
data: the actual content of the message
|
|
}
|
|
|
|
actors look like
|
|
{
|
|
id: the GUID of this actor
|
|
address: the IP this actor can be found at
|
|
port: the port of the IP the actor can be found at
|
|
}
|
|
*/
|
|
|
|
function guid(bits)
|
|
{
|
|
var _bits = bits == null ? 256 : bits
|
|
var guid = blob(_bits, os.random)
|
|
stone(guid)
|
|
return text(guid,'h')
|
|
}
|
|
|
|
var HEADER = {}
|
|
|
|
// takes a function input value that will eventually be called with the current time in number form.
|
|
$_.clock = function(fn) {
|
|
actor_mod.clock(_ => {
|
|
fn(time.number())
|
|
send_messages()
|
|
})
|
|
}
|
|
|
|
var underlings = {} // this is more like "all actors that are notified when we die"
|
|
var overling = null
|
|
var root = null
|
|
|
|
var receive_fn = null
|
|
var greeters = {} // Router functions for when messages are received for a specific actor
|
|
|
|
var peers = {}
|
|
var id_address = {}
|
|
var peer_queue = {}
|
|
var portal = null
|
|
var portal_fn = null
|
|
|
|
function peer_connection(peer) {
|
|
return {
|
|
latency: peer.rtt,
|
|
bandwidth: {
|
|
incoming: peer.incoming_bandwidth,
|
|
outgoing: peer.outgoing_bandwidth
|
|
},
|
|
activity: {
|
|
last_sent: peer.last_send_time,
|
|
last_received: peer.last_receive_time
|
|
},
|
|
mtu: peer.mtu,
|
|
data: {
|
|
incoming_total: peer.incoming_data_total,
|
|
outgoing_total: peer.outgoing_data_total,
|
|
reliable_in_transit: peer.reliable_data_in_transit
|
|
},
|
|
latency_variance: peer.rtt_variance,
|
|
packet_loss: peer.packet_loss,
|
|
state: peer.state
|
|
}
|
|
}
|
|
|
|
// takes a callback function, an actor object, and a configuration record for getting information about the status of a connection to the actor. The configuration record is used to request the sort of information that needs to be communicated. This can include latency, bandwidth, activity, congestion, cost, partitions. The callback is given a record containing the requested information.
|
|
$_.connection = function(callback, actor, config) {
|
|
var peer = peers[actor[ACTORDATA].id]
|
|
if (peer) {
|
|
callback(peer_connection(peer))
|
|
return
|
|
}
|
|
if (actor_mod.mailbox_exist(actor[ACTORDATA].id)) {
|
|
callback({type:"local"})
|
|
return
|
|
}
|
|
|
|
callback()
|
|
}
|
|
|
|
// takes a function input value that will eventually be called with the current time in number form.
|
|
$_.portal = function(fn, port) {
|
|
if (portal) {
|
|
log.error(`Already started a portal listening on ${portal.port}`)
|
|
disrupt
|
|
}
|
|
if (!port) {
|
|
log.error("Requires a valid port.")
|
|
disrupt
|
|
}
|
|
log.system(`starting a portal on port ${port}`)
|
|
portal = enet.create_host({address: "any", port})
|
|
portal_fn = fn
|
|
}
|
|
|
|
function handle_host(e) {
|
|
var queue = null
|
|
var data = null
|
|
|
|
if (e.type == "connect") {
|
|
log.system(`connected a new peer: ${e.peer.address}:${e.peer.port}`)
|
|
peers[`${e.peer.address}:${e.peer.port}`] = e.peer
|
|
queue = peer_queue.get(e.peer)
|
|
if (queue) {
|
|
arrfor(queue, (msg, index) => e.peer.send(nota.encode(msg)))
|
|
log.system(`sent queue out of queue`)
|
|
peer_queue.delete(e.peer)
|
|
}
|
|
} else if (e.type == "disconnect") {
|
|
peer_queue.delete(e.peer)
|
|
arrfor(array(peers), function(id, index) {
|
|
if (peers[id] == e.peer) delete peers[id]
|
|
})
|
|
log.system('portal got disconnect from ' + e.peer.address + ":" + e.peer.port)
|
|
} else if (e.type == "receive") {
|
|
data = nota.decode(e.data)
|
|
if (data.replycc && !data.replycc.address) {
|
|
data.replycc[ACTORDATA].address = e.peer.address
|
|
data.replycc[ACTORDATA].port = e.peer.port
|
|
}
|
|
if (data.data) populate_actor_addresses(data.data, e)
|
|
turn(data)
|
|
}
|
|
}
|
|
|
|
function populate_actor_addresses(obj, e) {
|
|
if (!is_object(obj)) return
|
|
if (obj[ACTORDATA] && !obj[ACTORDATA].address) {
|
|
obj[ACTORDATA].address = e.peer.address
|
|
obj[ACTORDATA].port = e.peer.port
|
|
}
|
|
arrfor(array(obj), function(key, index) {
|
|
if (key in obj)
|
|
populate_actor_addresses(obj[key], e)
|
|
})
|
|
}
|
|
|
|
// takes a callback function, an actor object, and a configuration record for getting information about the status of a connection to the actor. The configuration record is used to request the sort of information that needs to be communicated. This can include latency, bandwidth, activity, congestion, cost, partitions. The callback is given a record containing the requested information.
|
|
$_.contact = function(callback, record) {
|
|
send(create_actor(record), record, callback)
|
|
}
|
|
|
|
// registers a function that will receive all messages...
|
|
$_.receiver = function receiver(fn) {
|
|
receive_fn = fn
|
|
}
|
|
|
|
// Holds all messages queued during the current turn.
|
|
var message_queue = []
|
|
|
|
$_.start = function start(cb, program) {
|
|
if (!program) return
|
|
|
|
var id = guid()
|
|
var oid = $_.self[ACTORDATA].id
|
|
var startup = {
|
|
id,
|
|
overling_id: oid,
|
|
root_id: root ? root[ACTORDATA].id : null,
|
|
program,
|
|
native_mode: native_mode,
|
|
}
|
|
greeters[id] = cb
|
|
push(message_queue, { startup })
|
|
}
|
|
|
|
// stops an underling or self.
|
|
$_.stop = function stop(actor) {
|
|
if (!actor) {
|
|
need_stop = true
|
|
return
|
|
}
|
|
if (!is_actor(actor)) {
|
|
log.error('Can only call stop on an actor.')
|
|
disrupt
|
|
}
|
|
if (is_null(underlings[actor[ACTORDATA].id])) {
|
|
log.error('Can only call stop on an underling or self.')
|
|
disrupt
|
|
}
|
|
|
|
sys_msg(actor, {kind:"stop"})
|
|
}
|
|
|
|
// schedules the removal of an actor after a specified amount of time.
|
|
$_.unneeded = function unneeded(fn, seconds) {
|
|
actor_mod.unneeded(fn, seconds)
|
|
}
|
|
|
|
// schedules the invocation of a function after a specified amount of time.
|
|
$_.delay = function delay(fn, seconds) {
|
|
var _seconds = seconds == null ? 0 : seconds
|
|
function delay_turn() {
|
|
fn()
|
|
send_messages()
|
|
}
|
|
var id = actor_mod.delay(delay_turn, _seconds)
|
|
return function() { actor_mod.removetimer(id) }
|
|
}
|
|
|
|
var enet = use_core('enet')
|
|
|
|
// causes this actor to stop when another actor stops.
|
|
var couplings = {}
|
|
$_.couple = function couple(actor) {
|
|
if (actor == $_.self) return // can't couple to self
|
|
couplings[actor[ACTORDATA].id] = true
|
|
sys_msg(actor, {kind:'couple', from_id: _cell.id})
|
|
log.system(`coupled to ${actor}`)
|
|
}
|
|
|
|
function actor_prep(actor, send) {
|
|
push(message_queue, {actor,send});
|
|
}
|
|
|
|
// Send a message immediately without queuing
|
|
function actor_send_immediate(actor, send) {
|
|
actor_send(actor, send)
|
|
}
|
|
|
|
function actor_send(actor, message) {
|
|
var wota_blob = null
|
|
var peer = null
|
|
|
|
if (actor[HEADER] && !actor[HEADER].replycc) // attempting to respond to a message but sender is not expecting; silently drop
|
|
return
|
|
|
|
if (!is_actor(actor) && !is_actor(actor.replycc)) {
|
|
log.error(`Must send to an actor object. Attempted send to ${actor}`)
|
|
disrupt
|
|
}
|
|
|
|
if (!is_object(message)) {
|
|
log.error('Must send an object record.')
|
|
disrupt
|
|
}
|
|
|
|
// message to self
|
|
if (actor[ACTORDATA].id == _cell.id) {
|
|
if (receive_fn) receive_fn(message.data)
|
|
return
|
|
}
|
|
|
|
// message to actor in same flock
|
|
if (actor[ACTORDATA].id && actor_mod.mailbox_exist(actor[ACTORDATA].id)) {
|
|
wota_blob = wota.encode(message)
|
|
actor_mod.mailbox_push(actor[ACTORDATA].id, wota_blob)
|
|
return
|
|
}
|
|
|
|
if (actor[ACTORDATA].address) {
|
|
if (actor[ACTORDATA].id)
|
|
message.target = actor[ACTORDATA].id
|
|
else
|
|
message.type = "contact"
|
|
|
|
peer = peers[actor[ACTORDATA].address + ":" + actor[ACTORDATA].port]
|
|
if (!peer) {
|
|
if (!portal) {
|
|
log.system(`creating a contactor ...`)
|
|
portal = enet.create_host({address:"any"})
|
|
log.system(`allowing contact to port ${portal.port}`)
|
|
}
|
|
log.system(`no peer! connecting to ${actor[ACTORDATA].address}:${actor[ACTORDATA].port}`)
|
|
peer = portal.connect(actor[ACTORDATA].address, actor[ACTORDATA].port)
|
|
peer_queue.set(peer, [message])
|
|
} else {
|
|
peer.send(nota.encode(message))
|
|
}
|
|
return
|
|
}
|
|
log.system(`Unable to send message to actor ${actor[ACTORDATA]}`)
|
|
}
|
|
|
|
function send_messages() {
|
|
// if we've been flagged to stop, bail out before doing anything
|
|
if (need_stop) {
|
|
actor_die()
|
|
message_queue = []
|
|
return
|
|
}
|
|
|
|
var _qi = 0
|
|
var _qm = null
|
|
while (_qi < length(message_queue)) {
|
|
_qm = message_queue[_qi]
|
|
if (_qm.startup) {
|
|
actor_mod.createactor(_qm.startup)
|
|
} else {
|
|
actor_send(_qm.actor, _qm.send)
|
|
}
|
|
_qi = _qi + 1
|
|
}
|
|
|
|
message_queue = []
|
|
}
|
|
|
|
var replies = {}
|
|
|
|
function send(actor, message, reply) {
|
|
var send_msg = null
|
|
var target = null
|
|
var header = null
|
|
var id = null
|
|
|
|
if (!is_object(actor)) {
|
|
log.error(`Must send to an actor object. Provided: ${actor}`)
|
|
disrupt
|
|
}
|
|
|
|
if (!is_object(message)) {
|
|
log.error('Message must be an object')
|
|
disrupt
|
|
}
|
|
send_msg = {type:"user", data: message}
|
|
target = actor
|
|
|
|
if (actor[HEADER] && actor[HEADER].replycc) {
|
|
header = actor[HEADER]
|
|
if (!header.replycc || !is_actor(header.replycc)) {
|
|
log.error(`Supplied actor had a return, but it's not a valid actor! ${actor[HEADER]}`)
|
|
disrupt
|
|
}
|
|
|
|
target = header.replycc
|
|
send_msg.return = header.reply
|
|
}
|
|
|
|
if (reply) {
|
|
id = guid()
|
|
replies[id] = reply
|
|
$_.delay(_ => {
|
|
if (replies[id]) {
|
|
replies[id](null, "timeout")
|
|
delete replies[id]
|
|
}
|
|
}, REPLYTIMEOUT)
|
|
send_msg.reply = id
|
|
send_msg.replycc_id = _cell.id
|
|
}
|
|
|
|
// Instead of sending immediately, queue it
|
|
actor_prep(target, send_msg);
|
|
}
|
|
|
|
stone(send)
|
|
|
|
if (!_cell.args.id) _cell.id = guid()
|
|
else _cell.id = _cell.args.id
|
|
|
|
$_.self = create_actor({id: _cell.id})
|
|
|
|
// Actor's timeslice for processing a single message
|
|
function turn(msg)
|
|
{
|
|
var mes = wota.decode(msg)
|
|
handle_message(mes)
|
|
send_messages()
|
|
}
|
|
|
|
//log.console(`FIXME: need to get main from config, not just set to true`)
|
|
actor_mod.register_actor(_cell.id, turn, true, config.ar_timer)
|
|
|
|
if (config.actor_memory)
|
|
js.mem_limit(config.actor_memory)
|
|
|
|
if (config.stack_max)
|
|
js.max_stacksize(config.system.stack_max);
|
|
|
|
overling = _cell.args.overling_id ? create_actor({id: _cell.args.overling_id}) : null
|
|
$_.overling = overling
|
|
|
|
root = _cell.args.root_id ? create_actor({id: _cell.args.root_id}) : null
|
|
if (root == null) root = $_.self
|
|
|
|
if (overling) {
|
|
$_.couple(overling)
|
|
report_to_overling({type:'greet', actor_id: _cell.id})
|
|
}
|
|
|
|
// sys messages are always dispatched immediately
|
|
function sys_msg(actor, msg)
|
|
{
|
|
var envelope = {}
|
|
envelope[SYSYM] = msg
|
|
actor_send(actor, envelope)
|
|
}
|
|
|
|
// messages sent to here get put into the cb provided to start
|
|
function report_to_overling(msg)
|
|
{
|
|
if (!overling) return
|
|
sys_msg(overling, {kind:'underling', message:msg, from_id: _cell.id})
|
|
}
|
|
|
|
// Determine the program to run from command line
|
|
var program = _cell.args.program
|
|
|
|
if (!program) {
|
|
log.error('No program specified. Usage: cell <program> [args...]')
|
|
os.exit(1)
|
|
}
|
|
|
|
function handle_actor_disconnect(id) {
|
|
var greeter = greeters[id]
|
|
if (greeter) {
|
|
greeter({type: "stopped", id})
|
|
delete greeters[id]
|
|
}
|
|
log.system(`actor ${id} disconnected`)
|
|
if (!is_null(couplings[id])) actor_die("coupled actor died") // couplings now disrupts instead of stop
|
|
}
|
|
|
|
function handle_sysym(msg)
|
|
{
|
|
var from_id = null
|
|
var from_actor = null
|
|
var greeter = null
|
|
var letter2 = null
|
|
var greet_msg = null
|
|
|
|
if (msg.kind == 'stop') {
|
|
actor_die("got stop message")
|
|
} else if (msg.kind == 'underling') {
|
|
from_id = msg.from_id
|
|
greeter = greeters[from_id]
|
|
if (greeter) {
|
|
greet_msg = msg.message
|
|
if (greet_msg.actor_id) {
|
|
greet_msg.actor = create_actor({id: greet_msg.actor_id})
|
|
}
|
|
greeter(greet_msg)
|
|
}
|
|
if (msg.message.type == 'disrupt')
|
|
delete underlings[from_id]
|
|
} else if (msg.kind == 'contact') {
|
|
if (portal_fn) {
|
|
letter2 = msg.data
|
|
letter2[HEADER] = msg
|
|
delete msg.data
|
|
portal_fn(letter2)
|
|
} else {
|
|
log.error('Got a contact message, but no portal is established.')
|
|
disrupt
|
|
}
|
|
} else if (msg.kind == 'couple') {
|
|
from_id = msg.from_id
|
|
underlings[from_id] = true
|
|
log.system(`actor ${from_id} is coupled to me`)
|
|
}
|
|
}
|
|
|
|
function handle_message(msg) {
|
|
var letter = null
|
|
var fn = null
|
|
|
|
if (msg[SYSYM]) {
|
|
handle_sysym(msg[SYSYM], msg.from)
|
|
return
|
|
}
|
|
|
|
if (msg.type == "user") {
|
|
letter = msg.data // what the sender really sent
|
|
if (msg.replycc_id) {
|
|
msg.replycc = create_actor({id: msg.replycc_id})
|
|
}
|
|
letter[HEADER] = msg
|
|
letter[ACTORDATA] = { reply: msg.reply }
|
|
|
|
if (msg.return) {
|
|
fn = replies[msg.return]
|
|
if (fn) fn(letter)
|
|
delete replies[msg.return]
|
|
return
|
|
}
|
|
|
|
if (receive_fn) receive_fn(letter)
|
|
} else if (msg.type == "stopped") {
|
|
handle_actor_disconnect(msg.id)
|
|
}
|
|
}
|
|
|
|
function enet_check()
|
|
{
|
|
if (portal) portal.service(handle_host)
|
|
|
|
$_.delay(enet_check, ENETSERVICE);
|
|
}
|
|
|
|
// enet_check();
|
|
|
|
// Finally, run the program
|
|
actor_mod.setname(_cell.args.program)
|
|
|
|
var prog = _cell.args.program
|
|
if (ends_with(prog, '.cm')) {
|
|
os.print(`error: ${prog} is a module (.cm), not a program (.ce)\n`)
|
|
os.exit(1)
|
|
}
|
|
if (ends_with(prog, '.ce')) prog = text(prog, 0, -3)
|
|
|
|
var package = use_core('package')
|
|
|
|
// Find the .ce file
|
|
var prog_path = prog + ".ce"
|
|
var pkg_dir = null
|
|
var core_dir = null
|
|
if (!fd.is_file(prog_path)) {
|
|
pkg_dir = package.find_package_dir(".")
|
|
if (pkg_dir)
|
|
prog_path = pkg_dir + '/' + prog + '.ce'
|
|
}
|
|
if (!fd.is_file(prog_path)) {
|
|
// Check core packages
|
|
core_dir = core_path
|
|
prog_path = core_dir + '/' + prog + '.ce'
|
|
}
|
|
if (!fd.is_file(prog_path)) {
|
|
os.print(`Main program ${prog} could not be found\n`)
|
|
os.exit(1)
|
|
}
|
|
|
|
$_.clock(_ => {
|
|
var file_info = shop.file_info ? shop.file_info(prog_path) : null
|
|
var inject = shop.script_inject_for ? shop.script_inject_for(file_info) : []
|
|
|
|
// Build env with runtime functions + capability injections
|
|
var env = {}
|
|
arrfor(array(runtime_env), function(k) { env[k] = runtime_env[k] })
|
|
var _ki = 0
|
|
var inj = null
|
|
var key = null
|
|
while (_ki < length(inject)) {
|
|
inj = inject[_ki]
|
|
key = inj
|
|
if (key && key[0] == '$') key = text(key, 1)
|
|
if (key == 'fd') env['$fd'] = fd
|
|
else env['$' + key] = $_[key]
|
|
_ki = _ki + 1
|
|
}
|
|
|
|
var pkg = file_info ? file_info.package : null
|
|
env.use = function(path) {
|
|
var ck = 'core/' + path
|
|
if (use_cache[ck]) return use_cache[ck]
|
|
var core_mod = use_core(path)
|
|
if (core_mod) return core_mod
|
|
return shop.use(path, pkg)
|
|
}
|
|
env.args = _cell.args.arg
|
|
env.log = log
|
|
env = stone(env)
|
|
|
|
var native_build = null
|
|
var native_dylib_path = null
|
|
var native_handle = null
|
|
var native_parts = null
|
|
var native_basename = null
|
|
var native_sym = null
|
|
|
|
// Native execution path: compile to dylib and run
|
|
if (native_mode) {
|
|
native_build = use_core('build')
|
|
native_dylib_path = native_build.compile_native(prog_path, null, null, pkg)
|
|
native_handle = os.dylib_open(native_dylib_path)
|
|
native_parts = array(prog_path, '/')
|
|
native_basename = native_parts[length(native_parts) - 1]
|
|
native_sym = pkg ? shop.c_symbol_for_file(pkg, native_basename) : null
|
|
if (native_sym)
|
|
os.native_module_load_named(native_handle, native_sym, env)
|
|
else
|
|
os.native_module_load(native_handle, env)
|
|
return
|
|
}
|
|
|
|
var source_blob = fd.slurp(prog_path)
|
|
var hash = content_hash(source_blob)
|
|
var cached_path = cache_path(hash)
|
|
var val = null
|
|
var script = null
|
|
var ast = null
|
|
var mach_blob = null
|
|
if (cached_path && fd.is_file(cached_path)) {
|
|
val = mach_load(fd.slurp(cached_path), env)
|
|
} else {
|
|
script = text(source_blob)
|
|
ast = analyze(script, prog_path)
|
|
mach_blob = compile_to_blob(prog, ast)
|
|
if (cached_path) {
|
|
ensure_build_dir()
|
|
fd.slurpwrite(cached_path, mach_blob)
|
|
}
|
|
val = mach_load(mach_blob, env)
|
|
}
|
|
if (val) {
|
|
log.error('Program must not return anything')
|
|
disrupt
|
|
}
|
|
})
|