public static AisMessage DecodeAisString(string armoredString)
{
var aisMsg = new AisMessage();
string binary = DecodeVDXArmoredString(armoredString);
aisMsg.MessageType = Convert.ToInt32(binary.Substring(0, 6), 2);
aisMsg.RepeatIndicator = Convert.ToInt32(binary.Substring(6, 2), 2);
aisMsg.MMSI = Convert.ToInt32(binary.Substring(8, 30), 2);
switch (aisMsg.MessageType)
{
case 1:
case 2:
case 3:
aisMsg.PositionReport = PositionReport.CreateFromBinary(binary);
break;
case 4:
aisMsg.BaseStationReport = BaseStationReport.CreateFromBinary(binary);
break;
case 5:
aisMsg.VoygageReport = VoyageReport.CreateFromBinary(binary);
break;
}
return(aisMsg);
}
public static string GetMessage(AisMessage meg)
{
string ans = "";
ans = JsonConvert.SerializeObject(meg, Formatting.Indented, new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Ignore
});
////去除字符中间的空隙
ans = ans.Replace("\n", "");
ans = ans.Replace("\r", "");
ans = ans.Replace("\t", "");
return(ans);
}
public void AddShipPosition(AisMessage item)
{
if (item is PositionReportClassAMessage || item is ExtendedClassBCsPositionReportMessage)
{
if (ShipPositions.ContainsKey(item.Mmsi))
{
ShipPositions[item.Mmsi].Add(item);
}
else
{
ShipPositions.Add(item.Mmsi, new List <AisMessage>()
{
item
});
}
}
}
public static string Serialize(AisMessage aisMessage)
{
return(JsonConvert.SerializeObject(aisMessage, Settings));
}
private static void OnMessageReceived(IList <string> messages)
{
foreach (var message in messages)
{
try
{
AisMessage parsed = null;
var idx = message.IndexOf('!');
if (idx > -1)
{
var cuttedMessage = message.Substring(idx);
if (cuttedMessage.StartsWith("!AIVDM"))
{
parsed = parser.Parse(cuttedMessage);
}
else
{
continue;
}
}
else
{
parsed = parser.Parse(message);
}
//var obj = AisMessageJsonConvert.Deserialize(message);
Object obj = null;
switch (parsed.MessageType)
{
case AisMessageType.AddressedSafetyRelatedMessage:
obj = parsed as AddressedSafetyRelatedMessage;
break;
case AisMessageType.AidToNavigationReport:
obj = parsed as AidToNavigationReportMessage;
break;
/*
* case AisMessageType.AssignmentModeCommand:
* obj = parsed as AssignmentModeCommand;
*
* break;*/
case AisMessageType.BaseStationReport:
obj = parsed as BaseStationReportMessage;
break;
case AisMessageType.BinaryAcknowledge:
obj = parsed as BinaryAcknowledgeMessage;
break;
case AisMessageType.BinaryAddressedMessage:
obj = parsed as BinaryAddressedMessage;
break;
case AisMessageType.BinaryBroadcastMessage:
obj = parsed as BinaryBroadcastMessage;
break;
/*
* case AisMessageType.ChannelManagement:
* obj = parsed as ChannelManagement;
*
* break;
* case AisMessageType.DataLinkManagement:
* obj = parsed as DataLinkManagement;
*
* break;
* case AisMessageType.DgnssBinaryBroadcastMessage:
* obj = parsed as DgnssBinaryBroadcastMessage;
*
* break;*/
case AisMessageType.ExtendedClassBCsPositionReport:
obj = parsed as ExtendedClassBCsPositionReportMessage;
break;
/*
* case AisMessageType.GroupAssignmentCommand:
* obj = parsed as GroupAssignmentCommand;
*
* break;*/
case AisMessageType.Interrogation:
obj = parsed as InterrogationMessage;
break;
/*
* case AisMessageType.MultipleSlotBinaryMessageWithCommunicationsState:
* obj = parsed as MultipleSlotBinaryMessageWithCommunicationsState;
*
* break;*/
case AisMessageType.PositionReportClassA:
obj = parsed as PositionReportClassAMessage;
break;
case AisMessageType.PositionReportClassAAssignedSchedule:
obj = parsed as PositionReportClassAAssignedScheduleMessage;
break;
case AisMessageType.PositionReportClassAResponseToInterrogation:
obj = parsed as PositionReportClassAResponseToInterrogationMessage;
break;
case AisMessageType.PositionReportForLongRangeApplications:
obj = parsed as PositionReportForLongRangeApplicationsMessage;
break;
case AisMessageType.SafetyRelatedAcknowledgement:
obj = parsed as SafetyRelatedAcknowledgementMessage;
break;
/*
* case AisMessageType.SafetyRelatedBroadcastMessage:
* obj = parsed as SafetyRelatedBroadcastMessage;
*
* break;
* case AisMessageType.SingleSlotBinaryMessage:
* obj = parsed as SingleSlotBinaryMessage;
*
* break;*/
case AisMessageType.StandardClassBCsPositionReport:
obj = parsed as StandardClassBCsPositionReportMessage;
break;
case AisMessageType.StandardSarAircraftPositionReport:
obj = parsed as StandardSarAircraftPositionReportMessage;
break;
case AisMessageType.StaticAndVoyageRelatedData:
obj = parsed as StaticAndVoyageRelatedDataMessage;
break;
case AisMessageType.StaticDataReport:
obj = parsed as StaticDataReportMessage;
break;
case AisMessageType.UtcAndDateInquiry:
obj = parsed as UtcAndDateInquiryMessage;
break;
case AisMessageType.UtcAndDateResponse:
obj = parsed as UtcAndDateResponseMessage;
break;
}
if (obj != null)
{
var msg = obj as AisMessage;
Console.WriteLine($"{nameof(parsed.MessageType)} {msg}");
var insertObj = new DataAIS()
{
Id = redis.GetSequence <DataAIS>(), Data = msg, Tipe = nameof(parsed.MessageType)
};
var result = redis.InsertData <DataAIS>(insertObj);
Console.WriteLine($"insert to redis : {result}");
}
}catch (Exception ex)
{
Console.WriteLine($"error parsing : {ex.Message}");
}
Console.WriteLine($"{message}");
}
//storageClient.AppendMessages(messages);
}
