-
Notifications
You must be signed in to change notification settings - Fork 0
/
emdrDl.cs
219 lines (179 loc) · 8.31 KB
/
emdrDl.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//using Std_Library.DataLayer;
using System.Web.Script.Serialization;
using ZMQ;
using System.IO;
using System.IO.Compression;
using System.Data.Entity;
using System.Data.SqlClient;
using EveAI.Live.EMDR;
using System.Diagnostics;
using System.ComponentModel;
namespace EMDRGatherer
{
class emdrDl
{
const int ROWMAXCNT = 10;
const int MILLISECMAX = 5000; // 5 second wait
const int TRIMWAIT = 60000;
public void getMarketData(object sender, DoWorkEventArgs e)
{
//int recCnt = 0;
bwWorkerArgs inArgs = (bwWorkerArgs)e.Argument;
Int64 histcnt = 0;
Int64 ordcnt = 0;
using (var context = new Context())
{
using (var sub = context.Socket(SocketType.SUB))
{
List<EMDRData> emdr = new List<EMDRData>();
BackgroundWorker worker = sender as BackgroundWorker;
//Connect to the first publicly available relay.
sub.Connect(inArgs.EMDRServer);
// Disable filtering.
sub.SetSockOpt(SocketOpt.SUBSCRIBE, Encoding.UTF8.GetBytes(""));
while (worker.CancellationPending == false)
{
try
{
// Receive compressed raw market data.
var receivedData = sub.Recv();
// The following code lines remove the need of 'zlib' usage;
// 'zlib' actually uses the same algorith as 'DeflateStream'.
// To make the data compatible for 'DeflateStream', we only have to remove
// the four last bytes which are the adler32 checksum and
// the two first bytes which are the 'zlib' header.
byte[] decompressed;
byte[] choppedRawData = new byte[(receivedData.Length - 4)];
Array.Copy(receivedData, choppedRawData, choppedRawData.Length);
choppedRawData = choppedRawData.Skip(2).ToArray();
// Decompress the raw market data.
using (MemoryStream inStream = new MemoryStream(choppedRawData))
using (MemoryStream outStream = new MemoryStream())
{
DeflateStream outZStream = new DeflateStream(inStream, CompressionMode.Decompress);
outZStream.CopyTo(outStream);
decompressed = outStream.ToArray();
}
// Transform data into JSON strings.
string marketJson = Encoding.UTF8.GetString(decompressed);
// Un-serialize the JSON data to a dictionary.
var serializer = new JavaScriptSerializer();
//emdr[recCnt] = new EMDRData(serializer.Deserialize<Dictionary<string, object>>(marketJson));
EMDRData eData = new EMDRData(serializer.Deserialize<Dictionary<string, object>>(marketJson));
//recCnt++;
loadMessages(eData, inArgs);
foreach (Rowset rs in eData.Rowsets)
{
histcnt += rs.HistoryRows.Count;
ordcnt += rs.OrderRows.Count;
}
worker.ReportProgress(1, new bwResponse(histcnt, ordcnt));
}
catch (ZMQ.Exception ex)
{
throw ex;
}
}
e.Cancel = true;
}
}
}
private void loadMessages(EMDRData edata, bwWorkerArgs bwinargs)
{
emdrDSTableAdapters.emdrHistoryDataTableAdapter hisTblAdptr= new emdrDSTableAdapters.emdrHistoryDataTableAdapter();
emdrDSTableAdapters.emdrOrderDataTableAdapter ordTblAdptr = new emdrDSTableAdapters.emdrOrderDataTableAdapter();
hisTblAdptr.Connection.ConnectionString = bwinargs.ConnStr;
ordTblAdptr.Connection.ConnectionString = bwinargs.ConnStr;
foreach (Rowset rs in edata.Rowsets)
{
if (bwinargs.CaptureHistory)
{
foreach (History hs in rs.HistoryRows)
{
hisTblAdptr.insEmdrHistoryData((int)rs.RegionID, rs.TypeID, hs.Date, hs.DateLocalTime,
hs.Orders, hs.Quantity, hs.High, hs.Low, hs.Average);
}
}
if (bwinargs.CaptureOrders)
{
foreach (Order or in rs.OrderRows)
{
if (bwinargs.MergeDupes)
{
//We are merging duplicates (i.e. keeping newest record only)
ordTblAdptr.mergeEMDROrderData((int)rs.RegionID, rs.TypeID,
rs.GeneratedAt, rs.GeneratedAtLocalTime,
or.IssueDate, or.IssueDateLocalTime, (int)or.SolarSystemID,
or.StationID, or.OrderID, or.Range, or.VolEntered, or.VolRemaining, or.MinVolume, or.Price,
or.Duration, BitConverter.GetBytes(or.Bid)[0]);
}
else
{
//Capturing everything, something else is dealing with the multiple rows per orderid
ordTblAdptr.Insert((int)rs.RegionID, rs.TypeID,
rs.GeneratedAt, rs.GeneratedAtLocalTime,
or.IssueDate, or.IssueDateLocalTime, (int)or.SolarSystemID,
or.StationID, or.OrderID, or.Range, or.VolEntered, or.VolRemaining, or.MinVolume, or.Price,
or.Duration, BitConverter.GetBytes(or.Bid)[0]);
}
}
}
}
return;
}
public void trimOrderData(object sender, DoWorkEventArgs e)
{
emdrDSTableAdapters.emdrOrderDataTableAdapter ordTblAdptr = new emdrDSTableAdapters.emdrOrderDataTableAdapter();
BackgroundWorker worker = sender as BackgroundWorker;
Stopwatch stw = new Stopwatch();
stw.Start();
while (worker.CancellationPending == false)
{
try
{
if (stw.ElapsedMilliseconds == TRIMWAIT)
{
ordTblAdptr.trimOrderData();
stw.Restart();
}
}
catch (ZMQ.Exception ex)
{
throw ex;
}
}
e.Cancel = true;
}
}
public class bwWorkerArgs
{
public string EMDRServer { get; set; }
public string ConnStr { get; set; }
public bool MergeDupes { get; set; }
public bool CaptureHistory { get; set; }
public bool CaptureOrders { get; set; }
public bwWorkerArgs(string eserver, string connstr, bool mergedupes, bool capturehistory, bool captureorders)
{
EMDRServer = eserver;
ConnStr = connstr;
MergeDupes = mergedupes;
CaptureHistory = capturehistory;
CaptureOrders = captureorders;
}
}
public class bwResponse
{
public Int64 HistCnt { get; set; }
public Int64 OrdCnt { get; set; }
public bwResponse(Int64 hcnt, Int64 ocnt)
{
HistCnt = hcnt;
OrdCnt = ocnt;
}
}
}