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feature: set default failover size

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This commit is contained in:
tanyawen01770
2023-01-28 16:51:33 +08:00
parent 0b2ec3aa10
commit 77946b2382
5 changed files with 63 additions and 34 deletions
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src/main/java/org/csource/fastdfs/TrackerClient.java
+43 -27
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@@ -72,39 +72,55 @@ public class TrackerClient {
}
public Connection getConnection(TrackerServer trackerServer) throws IOException, MyException {
if (ClientGlobal.g_fail_over_retry_count > 0) {
int retryCount = 0;
do {
try {
trackerServer = getTrackerServer();
if (trackerServer == null) {
throw new MyException("tracker server is empty!");
}
return trackerServer.getConnection();
} catch (IOException e) {
if (retryCount <= ClientGlobal.g_fail_over_retry_count) {
//allow retry ignore exception
System.err.println("trackerServer get connection error, get connection from next tracker, emsg:" + e.getMessage());
} else {
throw e;
}
} catch (MyException e) {
if (retryCount <= ClientGlobal.g_fail_over_retry_count) {
System.err.println("trackerServer get connection error, get connection from next tracker, emsg:" + e.getMessage());
//allow retry ignore exception
} else {
throw e;
}
}
} while (retryCount++ <= ClientGlobal.g_fail_over_retry_count);
} else {
Connection connection = null;
boolean failOver = ClientGlobal.g_fail_over_retry_count > 0 && trackerServer == null;
try {
if (trackerServer == null) {
trackerServer = getTrackerServer();
if (trackerServer == null) {
throw new MyException("tracker server is empty!");
}
}
trackerServer.getConnection();
connection = trackerServer.getConnection();
} catch (IOException e) {
if (failOver) {
System.err.println("default trackerServer get connection error, emsg:" + e.getMessage());
} else {
throw e;
}
} catch (MyException e) {
if (failOver) {
System.err.println("default trackerServer get connection error, emsg:" + e.getMessage());
} else {
throw e;
}
}
if (connection != null || !failOver) {
return connection;
}
int retryCount = 0;
while (retryCount++ <= ClientGlobal.g_fail_over_retry_count) {
try {
trackerServer = getTrackerServer();
if (trackerServer == null) {
throw new MyException("tracker server is empty!");
}
return trackerServer.getConnection();
} catch (IOException e) {
if (retryCount <= ClientGlobal.g_fail_over_retry_count) {
//allow retry ignore exception
System.err.println("retry trackerServer get connection error, get connection from next tracker, retryCount:" + retryCount + ",+ emsg:" + e.getMessage());
} else {
throw e;
}
} catch (MyException e) {
if (retryCount <= ClientGlobal.g_fail_over_retry_count) {
System.err.println("trackerServer get connection error, get connection from next tracker, retryCount:" + retryCount + ", emsg:" + e.getMessage());
//allow retry ignore exception
} else {
throw e;
}
}
}
return null;
}