add systemd jounral consumer
This commit is contained in:
parent
167e628126
commit
bc1110058d
5 changed files with 636 additions and 18 deletions
426
src/main/java/org/xbib/systemd/DefaultJournalEntry.java
Normal file
426
src/main/java/org/xbib/systemd/DefaultJournalEntry.java
Normal file
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@ -0,0 +1,426 @@
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package org.xbib.systemd;
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public class DefaultJournalEntry implements JournalEntry {
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private String message;
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private String messageId;
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private int priority;
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private String codeFile;
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private String codeLine;
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private String codeFunc;
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private String errno;
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private String syslogFacility;
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private String syslogIdentifier;
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private String syslogPid;
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private String syslogTimestamp;
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private String syslogRaw;
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private String pid;
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private String uid;
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private String gid;
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private String comm;
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private String exe;
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private String cmdLine;
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private String capEffective;
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private String auditSession;
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private String auditLoginUid;
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private String systemdCgroup;
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private String systemdSlice;
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private String systemdUnit;
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private String systemdUserSlice;
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private String systemdUserUnit;
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private String systemdSession;
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private String systemdOwnerUid;
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private String selinuxContext;
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private String sourceRealtimeTimestamp;
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private String bootId;
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private String machineId;
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private String systemdInvocationId;
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private String hostname;
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private String transport;
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private String streamId;
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private String lineBreak;
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public void setMessage(String message) {
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this.message = message;
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}
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@Override
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public String getMessage() {
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return message;
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}
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public void setMessageId(String messageId) {
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this.messageId = messageId;
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}
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@Override
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public String getMessageId() {
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return messageId;
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}
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public void setPriority(int priority) {
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this.priority = priority;
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}
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@Override
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public int getPriority() {
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return priority;
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}
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public void setCodeFile(String codeFile) {
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this.codeFile = codeFile;
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}
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@Override
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public String getCodeFile() {
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return codeFile;
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}
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public void setCodeLine(String codeLine) {
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this.codeLine = codeLine;
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}
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@Override
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public String getCodeLine() {
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return codeLine;
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}
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public void setCodeFunc(String codeFunc) {
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this.codeFunc = codeFunc;
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}
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@Override
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public String getCodeFunc() {
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return codeFunc;
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}
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public void setErrno(String errno) {
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this.errno = errno;
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}
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@Override
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public String getErrno() {
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return errno;
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}
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public void setSyslogFacility(String syslogFacility) {
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this.syslogFacility = syslogFacility;
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}
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@Override
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public String getSyslogFacility() {
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return syslogFacility;
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}
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public void setSyslogIdentifier(String syslogIdentifier) {
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this.syslogIdentifier = syslogIdentifier;
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}
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@Override
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public String getSyslogIdentifier() {
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return syslogIdentifier;
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}
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public void setSyslogPid(String syslogPid) {
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this.syslogPid = syslogPid;
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}
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@Override
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public String getSyslogPid() {
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return syslogPid;
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}
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public void setSyslogTimestamp(String syslogTimestamp) {
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this.syslogTimestamp = syslogTimestamp;
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}
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@Override
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public String getSyslogTimestamp() {
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return syslogTimestamp;
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}
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public void setSyslogRaw(String syslogRaw) {
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this.syslogRaw = syslogRaw;
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}
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@Override
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public String getSyslogRaw() {
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return syslogRaw;
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}
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public void setPid(String pid) {
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this.pid = pid;
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}
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@Override
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public String getPid() {
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return pid;
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}
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public void setUid(String uid) {
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this.uid = uid;
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}
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@Override
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public String getUid() {
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return uid;
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}
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public void setGid(String gid) {
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this.gid = gid;
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}
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@Override
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public String getGid() {
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return gid;
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}
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public void setComm(String comm) {
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this.comm = comm;
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}
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@Override
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public String getComm() {
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return comm;
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}
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public void setExe(String exe) {
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this.exe = exe;
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}
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@Override
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public String getExe() {
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return exe;
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}
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public void setCmdLine(String cmdline) {
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this.cmdLine = cmdline;
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}
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@Override
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public String getCmdLine() {
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return cmdLine;
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}
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public void setCapEffective(String capEffective) {
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this.capEffective = capEffective;
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}
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@Override
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public String getCapEffective() {
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return capEffective;
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}
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public void setAuditSession(String auditSession) {
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this.auditSession = auditSession;
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}
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@Override
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public String getAuditSession() {
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return auditSession;
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}
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public void setAuditLoginUid(String auditLoginUid) {
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this.auditLoginUid = auditLoginUid;
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}
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@Override
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public String getAuditLoginUid() {
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return auditLoginUid;
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}
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public void setSystemdCgroup(String systemdCgroup) {
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this.systemdCgroup = systemdCgroup;
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}
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@Override
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public String getSystemdCgroup() {
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return systemdCgroup;
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}
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public void setSystemdSlice(String systemdSlice) {
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this.systemdSlice = systemdSlice;
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}
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@Override
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public String getSystemdSlice() {
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return systemdSlice;
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}
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public void setSystemdUnit(String systemdUnit) {
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this.systemdUnit = systemdUnit;
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}
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@Override
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public String getSystemdUnit() {
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return systemdUnit;
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}
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public void setSystemdUserSlice(String systemdUserSlice) {
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this.systemdUserSlice = systemdUserSlice;
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}
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@Override
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public String getSystemdUserSlice() {
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return systemdUserSlice;
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}
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public void setSystemdUserUnit(String systemdUserUnit) {
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this.systemdUserUnit = systemdUserUnit;
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}
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@Override
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public String getSystemdUserUnit() {
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return systemdUserUnit;
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}
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public void setSystemdSession(String systemdSession) {
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this.systemdSession = systemdSession;
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}
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@Override
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public String getSystemdSession() {
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return systemdSession;
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}
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public void setSystemdOwnerUid(String systemdOwnerUid) {
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this.systemdOwnerUid = systemdOwnerUid;
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}
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@Override
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public String getSystemdOwnerUid() {
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return systemdOwnerUid;
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}
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public void setSelinuxContext(String selinuxContext) {
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this.selinuxContext = selinuxContext;
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}
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@Override
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public String getSelinuxContext() {
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return selinuxContext;
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}
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public void setSourceRealtimeTimestamp(String sourceRealtimeTimestamp) {
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this.sourceRealtimeTimestamp = sourceRealtimeTimestamp;
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}
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@Override
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public String getSourceRealtimeTimestamp() {
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return sourceRealtimeTimestamp;
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}
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public void setBootId(String bootId) {
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this.bootId = bootId;
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}
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@Override
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public String getBootId() {
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return bootId;
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}
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public void setMachineId(String machineId) {
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this.machineId = machineId;
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}
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@Override
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public String getMachineId() {
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return machineId;
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}
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public void setSystemdInvocationId(String systemdInvocationId) {
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this.systemdInvocationId = systemdInvocationId;
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}
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@Override
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public String getSystemdInvocationId() {
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return systemdInvocationId;
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}
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public void setHostname(String hostname) {
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this.hostname = hostname;
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}
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@Override
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public String getHostname() {
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return hostname;
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}
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public void setTransport(String transport) {
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this.transport = transport;
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}
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@Override
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public String getTransport() {
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return transport;
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}
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public void setStreamId(String streamId) {
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this.streamId = streamId;
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}
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@Override
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public String getStreamId() {
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return streamId;
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}
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public void setLineBreak(String lineBreak) {
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this.lineBreak = lineBreak;
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}
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@Override
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public String getLineBreak() {
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return lineBreak;
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}
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@Override
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public String getFieldValue(String fieldName) {
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return null;
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append("priority=")
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.append(this.priority)
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.append(",message=")
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.append(this.message);
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return sb.toString();
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}
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}
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80
src/main/java/org/xbib/systemd/JournalEntry.java
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80
src/main/java/org/xbib/systemd/JournalEntry.java
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@ -0,0 +1,80 @@
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package org.xbib.systemd;
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public interface JournalEntry {
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String getMessage();
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String getMessageId();
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int getPriority();
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String getCodeFile();
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String getCodeLine();
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String getCodeFunc();
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String getErrno();
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String getSyslogFacility();
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String getSyslogIdentifier();
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String getSyslogPid();
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String getSyslogTimestamp();
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String getSyslogRaw();
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String getPid();
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String getUid();
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String getGid();
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String getComm();
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String getExe();
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String getCmdLine();
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String getCapEffective();
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String getAuditSession();
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String getAuditLoginUid();
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String getSystemdCgroup();
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String getSystemdSlice();
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String getSystemdUnit();
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String getSystemdUserSlice();
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String getSystemdUserUnit();
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String getSystemdSession();
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String getSystemdOwnerUid();
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String getSelinuxContext();
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String getSourceRealtimeTimestamp();
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String getBootId();
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String getMachineId();
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String getSystemdInvocationId();
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String getHostname();
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String getTransport();
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String getStreamId();
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String getLineBreak();
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String getFieldValue(String fieldName);
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}
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@ -5,6 +5,7 @@ import org.bridj.SizeT;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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@ -19,6 +20,10 @@ public class SystemdJournalConsumer implements Runnable {
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private final SystemdJournalListener listener;
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public SystemdJournalConsumer(String match, SystemdJournalListener listener) {
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this(match, null, listener);
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}
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public SystemdJournalConsumer(String match, String field, SystemdJournalListener listener) {
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this.match = match;
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this.field = field;
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@ -27,10 +32,14 @@ public class SystemdJournalConsumer implements Runnable {
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@Override
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public void run() {
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loop();
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try {
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loop();
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} catch (Exception e) {
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logger.log(Level.SEVERE, e.getMessage(), e);
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}
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}
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private void loop() {
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private void loop() throws IOException {
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Pointer<Pointer<SystemdJournalLibrary.sdJournal>> sdJournalPointer = Pointer.allocatePointer(SystemdJournalLibrary.sdJournal.class);
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int r = SystemdJournalLibrary.sd_journal_open(sdJournalPointer, SystemdJournalLibrary.SD_JOURNAL_LOCAL_ONLY);
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if (r < 0) {
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@ -54,17 +63,18 @@ public class SystemdJournalConsumer implements Runnable {
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do {
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r = SystemdJournalLibrary.sd_journal_wait(sdJournal, -1);
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} while (r == 0); // NOP
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List<String> list = new ArrayList<>();
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while (SystemdJournalLibrary.sd_journal_next(sdJournal) > 0) {
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if (field != null) {
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Pointer<Pointer<?>> dataPointer = Pointer.allocatePointer();
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Pointer<SizeT> sizePointer = Pointer.allocateSizeT();
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r = SystemdJournalLibrary.sd_journal_get_data(sdJournal, Pointer.pointerToCString(field), dataPointer, sizePointer);
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if (r < 0) {
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logger.log(Level.WARNING, "error in get_data: " + r);
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throw new IOException("error in get_data: " + r);
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}
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Pointer<Byte> data = dataPointer.as(Byte.class);
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list.add(data.getPointer(Byte.class).getCString());
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if (listener != null) {
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listener.handleEntry(makeEntry(Collections.singletonList(data.getPointer(Byte.class).getCString())));
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}
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} else {
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cursorPointer = Pointer.allocatePointer(Byte.TYPE);
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SystemdJournalLibrary.sd_journal_get_cursor(sdJournal, cursorPointer);
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@ -73,24 +83,124 @@ public class SystemdJournalConsumer implements Runnable {
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existingCursor = newCursor;
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Pointer<Pointer<?>> dataPointer = Pointer.allocatePointer();
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Pointer<SizeT> sizePointer = Pointer.allocateSizeT();
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List<String> list = new ArrayList<>();
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while (SystemdJournalLibrary.sd_journal_enumerate_data(sdJournal, dataPointer, sizePointer) > 0) {
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Pointer<Byte> data = dataPointer.as(Byte.class);
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String line = data.getPointer(Byte.class).getCString();
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list.add(line);
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}
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SystemdJournalLibrary.sd_journal_restart_data(sdJournal);
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}
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}
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}
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if (listener != null) {
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for (String string : list) {
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try {
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listener.handleMessage(string);
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} catch (IOException e) {
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logger.log(Level.WARNING, e.getMessage(), e);
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if (listener != null) {
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listener.handleEntry(makeEntry(list));
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}
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}
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}
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}
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}
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}
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private JournalEntry makeEntry(List<String> list) {
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DefaultJournalEntry journalEntry = new DefaultJournalEntry();
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for (String string : list) {
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logger.log(Level.INFO, "entry: " + string);
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if (string.startsWith("MESSAGE=")) {
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journalEntry.setMessage(string.substring(8));
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continue;
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}
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if (string.startsWith("MESSAGE_ID=")) {
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journalEntry.setMessageId(string.substring(11));
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continue;
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}
|
||||
if (string.startsWith("PRIORITY=")) {
|
||||
journalEntry.setPriority(Integer.parseInt(string.substring(9)));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("CODE_FILE=")) {
|
||||
journalEntry.setCodeFile(string.substring(10));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("CODE_LINE=")) {
|
||||
journalEntry.setCodeLine(string.substring(10));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("CODE_FUNC=")) {
|
||||
journalEntry.setCodeFunc(string.substring(10));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("ERRNO=")) {
|
||||
journalEntry.setErrno(string.substring(6));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("SYSLOG_FACILITY=")) {
|
||||
journalEntry.setSyslogFacility(string.substring(16));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("SYSLOG_IDENTIFIER=")) {
|
||||
journalEntry.setSyslogIdentifier(string.substring(18));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("SYSLOG_PID=")) {
|
||||
journalEntry.setSyslogPid(string.substring(11));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("SYSLOG_TIMESTAMP=")) {
|
||||
journalEntry.setSyslogTimestamp(string.substring(17));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("SYSLOG_RAW=")) {
|
||||
journalEntry.setSyslogRaw(string.substring(11));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_PID=")) {
|
||||
journalEntry.setPid(string.substring(5));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_UID=")) {
|
||||
journalEntry.setUid(string.substring(5));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_GID=")) {
|
||||
journalEntry.setGid(string.substring(5));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_COMM=")) {
|
||||
journalEntry.setComm(string.substring(6));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_EXE=")) {
|
||||
journalEntry.setExe(string.substring(5));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_CMDLINE=")) {
|
||||
journalEntry.setCmdLine(string.substring(9));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_CAP_EFFECTIVE=")) {
|
||||
journalEntry.setCapEffective(string.substring(15));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_TRANSPORT=")) {
|
||||
journalEntry.setTransport(string.substring(11));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_SYSTEMD_OWNER_UID=")) {
|
||||
journalEntry.setSystemdOwnerUid(string.substring(19));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_SYSTEMD_UNIT=")) {
|
||||
journalEntry.setSystemdUnit(string.substring(13));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_SYSTEMD_USER_SLICE=")) {
|
||||
journalEntry.setSystemdUserSlice(string.substring(19));
|
||||
continue;
|
||||
}
|
||||
if (string.startsWith("_SYSTEMD_USER_UNIT=")) {
|
||||
journalEntry.setSystemdUserUnit(string.substring(18));
|
||||
continue;
|
||||
}
|
||||
|
||||
}
|
||||
return journalEntry;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,5 +4,5 @@ import java.io.IOException;
|
|||
|
||||
public interface SystemdJournalListener {
|
||||
|
||||
void handleMessage(String message) throws IOException;
|
||||
void handleEntry(JournalEntry entry) throws IOException;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,18 +5,20 @@ import org.junit.jupiter.api.condition.DisabledOnOs;
|
|||
import org.junit.jupiter.api.condition.OS;
|
||||
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.logging.Level;
|
||||
import java.util.logging.Logger;
|
||||
|
||||
@DisabledOnOs({OS.MAC, OS.WINDOWS})
|
||||
public class SystemdJournalReaderTest {
|
||||
class SystemdJournalReaderTest {
|
||||
|
||||
private static final Logger logger = Logger.getLogger(SystemdJournalReaderTest.class.getName());
|
||||
|
||||
@Test
|
||||
void testConsumer() throws InterruptedException {
|
||||
SystemdJournalConsumer consumer = new SystemdJournalConsumer("SYSLOG_IDENTIFIER=su", null,
|
||||
logger::info);
|
||||
SystemdJournalConsumer consumer = new SystemdJournalConsumer("SYSLOG_IDENTIFIER=su",
|
||||
entry -> logger.log(Level.INFO, entry.toString()));
|
||||
Executors.newSingleThreadExecutor().submit(consumer);
|
||||
// exit after 1 minute
|
||||
Thread.sleep(60000L);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue