优化端口预占用

648540858

2023-06-25 66eda32ab97d6e94e9f274d6faa4df586c452dfb

 src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java

@@ -122,6 +122,26 @@
        return builder.toString();
    }

    public static String getNewCallId() {
        return (int) Math.floor(Math.random() * 1000000000) + "";
    }

    public static int getTypeCodeFromGbCode(String deviceId) {
        if (ObjectUtils.isEmpty(deviceId)) {
            return 0;
        }
        return Integer.parseInt(deviceId.substring(10, 13));
    }

    /**
     * 判断是否是前端外围设备
     * @param deviceId
     * @return
     */
    public static boolean isFrontEnd(String deviceId) {
        int typeCodeFromGbCode = getTypeCodeFromGbCode(deviceId);
        return typeCodeFromGbCode > 130 && typeCodeFromGbCode < 199;
    }
    /**
     * 从请求中获取设备ip地址和端口号
     * @param request 请求
@@ -133,8 +153,9 @@
        String remoteAddress;
        int remotePort;
        if (sipUseSourceIpAsRemoteAddress) {
            remoteAddress = request.getRemoteAddress().getHostAddress();
            remotePort = request.getRemotePort();
            remoteAddress = request.getPeerPacketSourceAddress().getHostAddress();
            remotePort = request.getPeerPacketSourcePort();

        }else {
            // 判断RPort是否改变，改变则说明路由nat信息变化，修改设备信息
            // 获取到通信地址等信息
@@ -142,8 +163,8 @@
            remotePort = request.getTopmostViaHeader().getRPort();
            // 解析本地地址替代
            if (ObjectUtils.isEmpty(remoteAddress) || remotePort == -1) {
                remoteAddress = request.getRemoteAddress().getHostAddress();
                remotePort = request.getRemotePort();
                remoteAddress = request.getPeerPacketSourceAddress().getHostAddress();
                remotePort = request.getPeerPacketSourcePort();
            }
        }