wyl/fastdfs-client-java
1
0
Fork 0
mirror of https://github.com/happyfish100/fastdfs-client-java.git synced 2026-09-23 06:29:11 +00:00
Code Issues Projects Releases Wiki Activity

feature:add tracker server fail over

Browse Source
This commit is contained in:
tanyawen01770
2023-01-28 15:02:40 +08:00
parent 9cc79ed75d
commit 8d966af4a4
7 changed files with 131 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/org/csource/fastdfs/TrackerGroup.java
+66 -67
View File
@@ -18,84 +18,83 @@ import java.net.InetSocketAddress;
* @version Version 1.17
*/
public class TrackerGroup {
public int tracker_server_index;
public InetSocketAddress[] tracker_servers;
protected Integer lock;
public int tracker_server_index;
public InetSocketAddress[] tracker_servers;
protected Integer lock;
/**
* Constructor
*
* @param tracker_servers tracker servers
*/
public TrackerGroup(InetSocketAddress[] tracker_servers) {
this.tracker_servers = tracker_servers;
this.lock = new Integer(0);
this.tracker_server_index = 0;
}
/**
* return connected tracker server
*
* @return connected tracker server, null for fail
*/
public TrackerServer getTrackerServer(int serverIndex) throws IOException {
return new TrackerServer(this.tracker_servers[serverIndex]);
}
/**
* return connected tracker server
*
* @return connected tracker server, null for fail
*/
public TrackerServer getTrackerServer() throws IOException {
int current_index;
synchronized (this.lock) {
this.tracker_server_index++;
if (this.tracker_server_index >= this.tracker_servers.length) {
/**
* Constructor
*
* @param tracker_servers tracker servers
*/
public TrackerGroup(InetSocketAddress[] tracker_servers) {
this.tracker_servers = tracker_servers;
this.lock = new Integer(0);
this.tracker_server_index = 0;
}
current_index = this.tracker_server_index;
}
try {
return this.getTrackerServer(current_index);
} catch (IOException ex) {
System.err.println("connect to server " + this.tracker_servers[current_index].getAddress().getHostAddress() + ":" + this.tracker_servers[current_index].getPort() + " fail");
ex.printStackTrace(System.err);
/**
* return connected tracker server
*
* @return connected tracker server, null for fail
*/
public TrackerServer getTrackerServer(int serverIndex) throws IOException {
return new TrackerServer(this.tracker_servers[serverIndex]);
}
for (int i = 0; i < this.tracker_servers.length; i++) {
if (i == current_index) {
continue;
}
try {
TrackerServer trackerServer = this.getTrackerServer(i);
/**
* return connected tracker server
*
* @return connected tracker server, null for fail
*/
public TrackerServer getTrackerServer() throws IOException {
int current_index;
synchronized (this.lock) {
if (this.tracker_server_index == current_index) {
this.tracker_server_index = i;
}
this.tracker_server_index++;
if (this.tracker_server_index >= this.tracker_servers.length) {
this.tracker_server_index = 0;
}
current_index = this.tracker_server_index;
}
return trackerServer;
} catch (IOException ex) {
System.err.println("connect to server " + this.tracker_servers[i].getAddress().getHostAddress() + ":" + this.tracker_servers[i].getPort() + " fail");
ex.printStackTrace(System.err);
}
try {
return this.getTrackerServer(current_index);
} catch (IOException ex) {
System.err.println("connect to server " + this.tracker_servers[current_index].getAddress().getHostAddress() + ":" + this.tracker_servers[current_index].getPort() + " fail");
ex.printStackTrace(System.err);
}
for (int i = 0; i < this.tracker_servers.length; i++) {
if (i == current_index) {
continue;
}
try {
TrackerServer trackerServer = this.getTrackerServer(i);
synchronized (this.lock) {
if (this.tracker_server_index == current_index) {
this.tracker_server_index = i;
}
}
return trackerServer;
} catch (IOException ex) {
System.err.println("connect to server " + this.tracker_servers[i].getAddress().getHostAddress() + ":" + this.tracker_servers[i].getPort() + " fail");
ex.printStackTrace(System.err);
}
}
return null;
}
return null;
}
public Object clone() {
InetSocketAddress[] trackerServers = new InetSocketAddress[this.tracker_servers.length];
for (int i = 0; i < trackerServers.length; i++) {
trackerServers[i] = new InetSocketAddress(this.tracker_servers[i].getAddress().getHostAddress(), this.tracker_servers[i].getPort());
}
public Object clone() {
InetSocketAddress[] trackerServers = new InetSocketAddress[this.tracker_servers.length];
for (int i = 0; i < trackerServers.length; i++) {
trackerServers[i] = new InetSocketAddress(this.tracker_servers[i].getAddress().getHostAddress(), this.tracker_servers[i].getPort());
return new TrackerGroup(trackerServers);
}
return new TrackerGroup(trackerServers);
}
}