Mirrors/FairEmail
1
0
Fork 0
mirror of https://github.com/M66B/FairEmail.git synced 2026-03-31 06:08:31 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added option to enable TCP keep alive

Browse Source
This commit is contained in:
M66B
2020-11-08 20:51:44 +01:00
parent da35152457
commit af01f4173d
6 changed files with 57 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
app/src/main/java/eu/faircode/email/EmailService.java
View File

@@ -23,6 +23,7 @@ import android.content.Context;
import android.content.SharedPreferences;
import android.os.ParcelFileDescriptor;
import android.security.KeyChain;
import android.system.ErrnoException;
import android.text.TextUtils;
import androidx.annotation.NonNull;
@@ -131,6 +132,8 @@ public class EmailService implements AutoCloseable {
private final static int FETCH_SIZE = 1024 * 1024; // bytes, default 16K
private final static int POOL_TIMEOUT = 45 * 1000; // milliseconds, default 45 sec
private final static int TCP_KEEP_ALIVE_INTERVAL = 9 * 60; // seconds
private static final int APPEND_BUFFER_SIZE = 4 * 1024 * 1024; // bytes
// https://developer.android.com/reference/javax/net/ssl/SSLSocket.html#protocols
@@ -1047,10 +1050,21 @@ public class EmailService implements AutoCloseable {
socket.setSoLinger(false, -1);
}
int fd = ParcelFileDescriptor.fromSocket(socket).getFd();
int errno = jni_socket_keep_alive(fd, 9 * 60);
if (errno != 0)
Log.e("Socket TCP_KEEPIDLE=" + errno);
try {
boolean tcp_keep_alive = Boolean.parseBoolean(System.getProperty("fairemail.tcp_keep_alive"));
if (tcp_keep_alive) {
Log.i("Enabling TCP keep alive");
int fd = ParcelFileDescriptor.fromSocket(socket).getFd();
int errno = jni_socket_keep_alive(fd, TCP_KEEP_ALIVE_INTERVAL);
if (errno != 0)
throw new ErrnoException("TCP_KEEPIDLE", errno);
socket.setKeepAlive(true);
}
} catch (Throwable ex) {
Log.e(ex);
}
}
class UntrustedException extends MessagingException {