decthings

Fs / read


Read from a file. Errors: - ESTALE - The inode does not exist. - EISDIR - The inode was a directory. - EINVAL - The inode was not a file suitable for reading.

Request parameters

{
    /** The model's id. */
    modelId: string,
    /** If provided, the filesystem of the snapshot will be used. Otherwise, the filesystem of the model will be used. */
    snapshotId?: string,
    /** Inode number of file. */
    inode: number,
    /** Where in the file to start reading. */
    offset: number,
    /** Number of bytes to read. */
    count: number
}

Response

{
    /** If successful. One of "result" and "error" will be present. */
    result?: {
        data: Buffer
    },

    /** If failed */
    error?: {
        code: 'model_not_found' | 'snapshot_not_found' | 'ESTALE' | 'EISDIR' | 'EINVAL' | 'bad_credentials' | 'too_many_requests' | 'payment_required' | 'unknown'
    } | {
        code: 'invalid_parameter',
        parameterName: string,
        reason: string
    }
}

Example

Following the installation guide to setup the Decthings API for TypeScript. Add your parameters to the following code and run it in Node.js, or in a browser by using a bundler.

The code reads your API key from file. Create an API key and save it to the file "auth.txt". Keep your key safe!

import * as fs from 'fs'
import { DecthingsClient } from '@decthings/api-client'

let apiKey = fs.readFileSync('./auth.txt').toString().trim()
let client = new DecthingsClient({ apiKey })

async function main() {
    try {
        let response = await client.fs.read({
            modelId: /* Add modelId here */,
            inode: /* Add inode here */,
            offset: /* Add offset here */,
            count: /* Add count here */
        })
        if (result.error) {
            // Decthings sent us an error
            console.log(response.error)
        } else {
            // Success!
            console.log(response.result)
        }
    }
    catch (e) {
        // Client throws an error on connection issues. The function may or may not have succeded
        console.log(e)
    }
}
main()

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