xrsh-com/com/isoterminal/feat/9pfs_utils.js

53 lines
1.5 KiB
JavaScript

let emulator = this.emulator
let me = this
emulator.fs9p.update_file = async function(file,data){
const convert = ISOTerminal.prototype.convert
const p = this.SearchPath(file);
if(p.id === -1)
{
return emulator.create_file(file,data)
}
const inode = this.GetInode(p.id);
const buf = typeof data == 'string' ? convert.toUint8Array(data) : data || ""
if( buf.length == 0 ) return new Promise( (resolve,reject) => resolve(data) )
try{
await this.Write(p.id,0, buf.length, buf )
// update inode
inode.size = buf.length
const now = Math.round(Date.now() / 1000);
inode.atime = inode.mtime = now;
me.postMessage({event:'exec',data:[`touch /mnt/${file}`]}) // update inode
return new Promise( (resolve,reject) => resolve(buf) )
}catch(e){
console.error({file,data})
return new Promise( (resolve,reject) => reject(e) )
}
}
emulator.fs9p.append_file = async function(file,data){
const convert = ISOTerminal.prototype.convert
const p = this.SearchPath(file);
if(p.id === -1)
{
return Promise.resolve(null);
}
const inode = this.GetInode(p.id);
const buf = typeof data == 'string' ? convert.toUint8Array(data) : data
await this.Write(p.id, inode.size, buf.length, buf )
// update inode
inode.size = inode.size + buf.length
const now = Math.round(Date.now() / 1000);
inode.atime = inode.mtime = now;
return new Promise( (resolve,reject) => resolve(buf) )
}