use of io.mycat.util.CircularArrayList in project Mycat-Server by MyCATApache.
the class PackageBufINf method showLogSum.
private static PackageBufINf showLogSum(ManagerConnection c, ByteBuffer buffer, byte packetId) {
PackageBufINf bufINf = new PackageBufINf();
File[] logFiles = new File(SystemConfig.getHomePath(), "logs").listFiles();
String fileNames = "";
for (File f : logFiles) {
if (f.isFile()) {
fileNames += " " + f.getName();
}
}
File file = getLogFile(DEFAULT_LOGFILE);
BufferedReader br = null;
int totalLines = 0;
CircularArrayList<String> queue = new CircularArrayList<String>(50);
try {
br = new BufferedReader(new FileReader(file));
String line = null;
while ((line = br.readLine()) != null) {
totalLines++;
if (queue.size() == queue.capacity()) {
queue.remove(0);
}
queue.add(line);
}
RowDataPacket row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode("files in log dir:" + totalLines + fileNames, c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode("Total lines " + totalLines + " ,tail " + queue.size() + " line is following:", c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
int size = queue.size() - 1;
for (int i = size; i >= 0; i--) {
String data = queue.get(i);
row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode(data, c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
}
bufINf.buffer = buffer;
bufINf.packetId = packetId;
return bufINf;
} catch (Exception e) {
LOGGER.error("showLogSumError", e);
RowDataPacket row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode(e.toString(), c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
bufINf.buffer = buffer;
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
LOGGER.error("showLogSumError", e);
}
}
}
bufINf.packetId = packetId;
return bufINf;
}
use of io.mycat.util.CircularArrayList in project Mycat_plus by coderczp.
the class PackageBufINf method showLogSum.
private static PackageBufINf showLogSum(ManagerConnection c, ByteBuffer buffer, byte packetId) {
PackageBufINf bufINf = new PackageBufINf();
File[] logFiles = new File(SystemConfig.getHomePath(), "logs").listFiles();
String fileNames = "";
for (File f : logFiles) {
if (f.isFile()) {
fileNames += " " + f.getName();
}
}
File file = getLogFile(DEFAULT_LOGFILE);
BufferedReader br = null;
int totalLines = 0;
CircularArrayList<String> queue = new CircularArrayList<String>(50);
try {
br = new BufferedReader(new FileReader(file));
String line = null;
while ((line = br.readLine()) != null) {
totalLines++;
if (queue.size() == queue.capacity()) {
queue.remove(0);
}
queue.add(line);
}
RowDataPacket row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode("files in log dir:" + totalLines + fileNames, c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode("Total lines " + totalLines + " ,tail " + queue.size() + " line is following:", c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
int size = queue.size() - 1;
for (int i = size; i >= 0; i--) {
String data = queue.get(i);
row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode(data, c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
}
bufINf.buffer = buffer;
bufINf.packetId = packetId;
return bufINf;
} catch (Exception e) {
LOGGER.error("showLogSumError", e);
RowDataPacket row = new RowDataPacket(FIELD_COUNT);
row.add(StringUtil.encode(e.toString(), c.getCharset()));
row.packetId = ++packetId;
buffer = row.write(buffer, c, true);
bufINf.buffer = buffer;
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
LOGGER.error("showLogSumError", e);
}
}
}
bufINf.packetId = packetId;
return bufINf;
}
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