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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
using Google.Protobuf;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using System.Web.Hosting;
using System.Web.Http;
using Tango.BL;
using Tango.Core.DB;
using Tango.Core.Helpers;
using Tango.Core.IO;
using Tango.PMR.Stubs;
using Tango.PMR.Synchronization;
using Tango.Synchronization.Local;
using Tango.Synchronization.Remote;
namespace Tango.MachineService.Controllers
{
public class SynchronizationController : ApiController
{
/// <summary>
/// Expects a DB synchronization request from a remote machine and returns the synchronized version of the machine database.
/// </summary>
/// <param name="request">The request.</param>
/// <returns></returns>
[HttpPost]
public SynchronizeDBResponse Synchronize(SynchronizeDBRequest request)
{
var tempFolder = TemporaryManager.Default.CreateFolder();
try
{
//File path for the reflected remote data base SQLite.
String masterSQLiteFile = Path.Combine(tempFolder, "Remote.db");
//File path for the received machine SQLite db.
String slaveSQLiteFile = Path.Combine(tempFolder, "Local.db");
//Save the machine db to file.
File.WriteAllBytes(slaveSQLiteFile, request.LocalDB.ToByteArray());
//Copy an SQLite db template.
File.Copy(HostingEnvironment.MapPath(@"~/App_Data/Tango.db"), masterSQLiteFile);
//Synchronize the SQL Server db with the new SQLite template. (Overwrite basically)
RemoteDBSynchronizer.Synchronize(masterSQLiteFile, request.SerialNumber, true);
//Synchronize the received machine db with the filled template.
LocalDBSynchronizer.Synchronize(masterSQLiteFile, slaveSQLiteFile);
//Send the synchronized machine db to the machine to the machine.
SynchronizeDBResponse response = new SynchronizeDBResponse();
response.RemoteDB = ByteString.CopyFrom(File.ReadAllBytes(slaveSQLiteFile));
return response;
}
catch (Exception)
{
throw;
}
finally
{
//Remove all temporary files and folder.
tempFolder.Delete();
}
}
[HttpPost]
public MachineSetupResponse MachineSetup(MachineSetupRequest request)
{
MachineSetupResponse response = new MachineSetupResponse();
try
{
using (ObservablesContext db = ObservablesContext.CreateDefault(GetLocalServerAddress()))
{
db.Configuration.LazyLoadingEnabled = false;
String serial_number = request.SerialNumber;
var machine = db.Machines.SingleOrDefault(x => x.SerialNumber == serial_number);
var machine_version = db.MachineVersions.SingleOrDefault(x => x.Guid == machine.MachineVersionGuid);
if (machine == null)
{
OnError(HttpStatusCode.NotFound, "The specified serial number could not be found.");
}
var latest_machine_version = db.TangoVersions.Where(x => x.MachineVersionGuid == machine_version.Guid).ToList().OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
response.Version = latest_machine_version.Version;
response.FtpAddress = GetFtpAddress();
response.FtpFilePath = latest_machine_version.FtpFilePath;
response.FtpUserName = GetFtpUserName();
response.FtpPassword = GetFtpPassword();
DbCredentials credentials = new DbCredentials();
using (DbManager manager = DbManager.FromAddressAndName(GetDbAddress(), "Tango"))
{
credentials = manager.CreateRandomLoginAndUser("Tango");
Task.Delay(TimeSpan.FromMinutes(10)).ContinueWith((x) =>
{
using (DbManager m = DbManager.FromAddressAndName(GetDbAddress(), "Tango"))
{
m.DeleteLoginAndUser(credentials.UserName, "Tango");
}
});
}
response.DbAddress = GetDbAddress();
response.DbUserName = credentials.UserName;
response.DbPassword = credentials.Password;
}
}
catch (Exception ex)
{
OnError(HttpStatusCode.InternalServerError, ex.Message);
}
return response;
}
[HttpPost]
public DownloadUpdateResponse MachineUpdate(DownloadUpdateRequest request)
{
DownloadUpdateResponse response = new DownloadUpdateResponse();
try
{
using (ObservablesContext db = ObservablesContext.CreateDefault(GetLocalServerAddress()))
{
db.Configuration.LazyLoadingEnabled = false;
String serial_number = request.SerialNumber;
var machine = db.Machines.SingleOrDefault(x => x.SerialNumber == serial_number);
if (machine == null)
{
OnError(HttpStatusCode.NotFound, "The specified serial number could not be found.");
}
var machine_version = db.MachineVersions.SingleOrDefault(x => x.Guid == machine.MachineVersionGuid);
var latest_machine_version = db.TangoVersions.Where(x => x.MachineVersionGuid == machine_version.Guid).ToList().OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
response.Version = latest_machine_version.Version;
response.FtpAddress = GetFtpAddress();
response.FtpFilePath = latest_machine_version.FtpFilePath;
response.FtpUserName = GetFtpUserName();
response.FtpPassword = GetFtpPassword();
DbCredentials credentials = new DbCredentials();
using (DbManager manager = DbManager.FromAddressAndName(GetDbAddress(), "Tango"))
{
credentials = manager.CreateRandomLoginAndUser("Tango");
Task.Delay(TimeSpan.FromMinutes(10)).ContinueWith((x) =>
{
using (DbManager m = DbManager.FromAddressAndName(GetDbAddress(), "Tango"))
{
m.DeleteLoginAndUser(credentials.UserName, "Tango");
}
});
}
response.DbAddress = GetDbAddress();
response.DbUserName = credentials.UserName;
response.DbPassword = credentials.Password;
}
}
catch (Exception ex)
{
OnError(HttpStatusCode.InternalServerError, ex.Message);
}
return response;
}
[HttpPost]
public CheckForUpdateResponse CheckForUpdate(CheckForUpdateRequest request)
{
CheckForUpdateResponse response = new CheckForUpdateResponse();
try
{
using (ObservablesContext db = ObservablesContext.CreateDefault(GetLocalServerAddress()))
{
db.Configuration.LazyLoadingEnabled = false;
var machine = db.Machines.SingleOrDefault(x => x.SerialNumber == request.SerialNumber);
if (machine == null)
{
OnError(HttpStatusCode.NotFound, "The specified serial number could not be found.");
}
var machine_version = db.MachineVersions.SingleOrDefault(x => x.Guid == machine.MachineVersionGuid);
var latest_machine_version = db.TangoVersions.Where(x => x.MachineVersionGuid == machine_version.Guid).ToList().OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
if (Version.Parse(latest_machine_version.Version) > Version.Parse(request.Version))
{
response.IsUpdateAvailable = true;
}
response.Version = latest_machine_version.Version;
}
}
catch (Exception ex)
{
OnError(HttpStatusCode.InternalServerError, ex.Message);
}
return response;
}
#region Helpers
private void OnError(HttpStatusCode code, String message)
{
throw new HttpResponseException(Request.CreateErrorResponse(code, message));
}
private String GetLocalServerAddress()
{
return ConfigurationManager.AppSettings["LocalServerAddress"].ToString();
}
private String GetDbAddress()
{
return ConfigurationManager.AppSettings["DbAddress"].ToString();
}
private String GetFtpAddress()
{
return ConfigurationManager.AppSettings["FtpAddress"].ToString();
}
private String GetFtpUserName()
{
return ConfigurationManager.AppSettings["FtpUserName"].ToString();
}
private String GetFtpPassword()
{
return ConfigurationManager.AppSettings["FtpPassword"].ToString();
}
#endregion
}
}
|
