Comments (1)
Having the same issue.
I have a cron job that runs after every five minutes. I am using a non-persistence connection so on every hit there will be a new connection.
`class FTP {
constructor() {
this.ftpLiveClient = new ftp();
this.connection_closed = false;
}
create_session() {
return new Promise(async (resolve) => {
try {
this.ftpLiveClient.connect(creds);
await Promise.allSettled([
new Promise((res) => {
this.ftpLiveClient.on("ready", () => {
res();
});
}),
]);
this.uuid = uuidv4();
save_session(this.uuid); // Save session open date time in log file
this.watch_error();
resolve(true);
} catch (error) {
close_connection();
resolve(false);
}
});
}
watch_error() {
this.ftpLiveClient.on(
"error",
function (err) {
this.close_connection();
}.bind(this)
);
}
close_connection() {
this.connection_closed = true;
this.ftpLiveClient.end();
close_session(this.uuid); // Update session close date time in log file
}
}
// Get file names from server.
function get_file_names(dir_path) {
return new Promise(async (resolve) => {
try {
let ftp_obj = new FTP();
await ftp_obj.create_session();
ftp_obj.ftpLiveClient.list(dir_path, function (err, list) {
ftp_obj.close_connection();
if (err) {
return resolve(false);
}
return resolve(list);
});
} catch (e) {
return resolve(false);
}
});
}
// Read file content from server.
function read_file(file_path) {
return new Promise(async (resolve) => {
try {
let ftp_obj = new FTP();
await ftp_obj.create_session();
ftp_obj.ftpLiveClient.get(file_path, function (err, stream) {
if (err) {
ftp_obj.close_connection();
return resolve(false);
}
let tempBuffer = [];
stream.on("data", (chunk) => {
tempBuffer.push(chunk);
});
stream.on("end", () => {
tempBuffer = Buffer.concat(tempBuffer).toString();
ftp_obj.close_connection();
return resolve(tempBuffer);
});
stream.on("error", (err) => {
ftp_obj.close_connection();
return resolve(false);
});
});
} catch (e) {
return resolve(false);
}
});
}`
I used file data directly, I am not saving the file in the system.
let file_names = await get_file_names(dir_path); let len = file_names.length; while (len--) { let file_name = file_names[len]; let file_path = dir_path + file_name; let data = await read_file(file_path); }
from node-ftp.
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from node-ftp.