优化集群方案， 每个zlm一套ssrc；

优化集群下的docker接入逻辑；
更正sql脚本；
支持重启不设置设备离线。重启SIP事务不丢失

src/main/java/com/genersoft/iot/vmp/gb28181/bean/SsrcTransaction.java

@@ -0,0 +1,70 @@
+package com.genersoft.iot.vmp.gb28181.bean;
+
+import javax.sip.message.Request;
+
+public class SsrcTransaction {
+
+    private String deviceId;
+    private String channelId;
+    private String ssrc;
+    private String streamId;
+    private byte[] transaction;
+    private byte[] dialog;
+    private String mediaServerId;
+
+    public String getDeviceId() {
+        return deviceId;
+    }
+
+    public void setDeviceId(String deviceId) {
+        this.deviceId = deviceId;
+    }
+
+    public String getChannelId() {
+        return channelId;
+    }
+
+    public void setChannelId(String channelId) {
+        this.channelId = channelId;
+    }
+
+    public String getSsrc() {
+        return ssrc;
+    }
+
+    public void setSsrc(String ssrc) {
+        this.ssrc = ssrc;
+    }
+
+    public String getStreamId() {
+        return streamId;
+    }
+
+    public void setStreamId(String streamId) {
+        this.streamId = streamId;
+    }
+
+    public byte[] getTransaction() {
+        return transaction;
+    }
+
+    public void setTransaction(byte[] transaction) {
+        this.transaction = transaction;
+    }
+
+    public byte[] getDialog() {
+        return dialog;
+    }
+
+    public void setDialog(byte[] dialog) {
+        this.dialog = dialog;
+    }
+
+    public String getMediaServerId() {
+        return mediaServerId;
+    }
+
+    public void setMediaServerId(String mediaServerId) {
+        this.mediaServerId = mediaServerId;
+    }
+}