Add File.stat. Use it to cache manifests to speed up task start. async spreads like a virus.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3377 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
2017-01-13 01:04:00 +00:00
parent 63361ec1f8
commit c1b75821bf
4 changed files with 86 additions and 10 deletions

View File

@ -105,7 +105,7 @@ function databaseGetAll() {
return getDatabase(this).getAll();
}
function getPackages() {
async function getPackages() {
var packages = [];
var packageOwners = File.readDirectory("packages/");
for (var i = 0; i < packageOwners.length; i++) {
@ -116,7 +116,7 @@ function getPackages() {
packages.push({
owner: packageOwners[i],
name: packageNames[j],
manifest: getManifest("packages/" + packageOwners[i] + "/" + packageNames[j] + "/" + packageNames[j] + ".js"),
manifest: await getManifest("packages/" + packageOwners[i] + "/" + packageNames[j] + "/" + packageNames[j] + ".js"),
});
}
}
@ -195,7 +195,17 @@ function readFileUtf8(fileName) {
return new TextDecoder("UTF-8").decode(File.readFile(fileName));
}
function getManifest(fileName) {
let gManifestCache = {};
async function getManifest(fileName) {
let oldEntry = gManifestCache[fileName];
let stat = await File.stat(fileName);
if (oldEntry) {
if (oldEntry.stat.mtime == stat.mtime && oldEntry.stat.size == stat.size) {
return oldEntry.manifest;
}
}
let manifest = [];
let lines = readFileUtf8(fileName).split("\n").map(x => x.trimRight());
for (let i = 0; i < lines.length; i++) {
@ -212,6 +222,12 @@ function getManifest(fileName) {
print("ERROR: getManifest(" + fileName + "): ", error);
// Oh well. No manifest.
}
gManifestCache[fileName] = {
stat: stat,
manifest: result,
};
return result;
}
@ -220,7 +236,7 @@ function packageNameToPath(name) {
return "packages/" + process.packageOwner + "/" + name + "/";
}
function getProcess(packageOwner, packageName, key, options) {
async function getProcess(packageOwner, packageName, key, options) {
var process = gProcesses[key];
if (!process
&& !(options && "create" in options && !options.create)
@ -229,7 +245,7 @@ function getProcess(packageOwner, packageName, key, options) {
try {
print("Creating task for " + packageName + " " + key);
var fileName = "packages/" + packageOwner + "/" + packageName + "/" + packageName + ".js";
var manifest = getManifest(fileName);
var manifest = await getManifest(fileName);
process = {};
process.key = key;
process.index = gProcessIndex++;

View File

@ -143,7 +143,7 @@ function socket(request, response, client) {
}
options.credentials = credentials;
response.onMessage = function(event) {
response.onMessage = async function(event) {
if (event.opCode == 0x1 || event.opCode == 0x2) {
var message;
try {
@ -164,7 +164,7 @@ function socket(request, response, client) {
response.send(JSON.stringify({lines: [{action: "session", sessionId: sessionId, credentials: credentials}]}), 0x1);
options.terminalApi = message.terminalApi || [];
process = getSessionProcess(packageOwner, packageName, sessionId, options);
process = await getSessionProcess(packageOwner, packageName, sessionId, options);
process.terminal.readOutput(function(message) {
response.send(JSON.stringify(message), 0x1);
});
@ -226,7 +226,7 @@ function socket(request, response, client) {
}
}
function handler(request, response, packageOwner, packageName, uri) {
async function handler(request, response, packageOwner, packageName, uri) {
var found = false;
if (badName(packageOwner) || badName(packageName)) {
@ -292,7 +292,7 @@ function handler(request, response, packageOwner, packageName, uri) {
}
}
} else if (uri === "/submit") {
var process = getServiceProcess(packageOwner, packageName, "submit");
var process = await getServiceProcess(packageOwner, packageName, "submit");
process.lastActive = Date.now();
return process.ready.then(function() {
var payload = form.decodeForm(request.body, form.decodeForm(request.query));
@ -308,7 +308,7 @@ function handler(request, response, packageOwner, packageName, uri) {
});
});
} else if (uri === "/atom") {
var process = getServiceProcess(packageOwner, packageName, "atom");
var process = await getServiceProcess(packageOwner, packageName, "atom");
process.lastActive = Date.now();
return process.ready.then(function() {
var payload = form.decodeForm(request.body, form.decodeForm(request.query));