wcf中如何Host多个WCF服务?
如果用self-host的方式来加载服务的话,我们一般是用这样的代码:ServiceHost host1 = new ServiceHost(typeof(UserService)); 问题是,如果当你的服务很多的时候这样做是不胜其烦的,今天在看Ingo Rammer(大名鼎鼎的《Advanced .Net Remoting》作者)的Blog的时候,看到了他解决这一问题的方法:
一.服务配置在app.config或web.config中:
1
using System;
2
using System.Collections.Generic;
3
using System.Reflection;
4
using System.Configuration;
5
using System.ServiceModel.Configuration;
6
using System.ServiceModel;
7
8
public class ServiceHostGroup
9
{
10
static List<ServiceHost> _hosts = new List<ServiceHost>();
11
12
private static void OpenHost(Type t)
13
{
14
ServiceHost hst = new ServiceHost(t);
15
hst.Open();
16
_hosts.Add(hst);
17
}
18
19
public static void StartAllConfiguredServices()
20
{
21
Configuration conf =
22
ConfigurationManager.OpenExeConfiguration(Assembly.GetEntryAssembly().Location);
23
24
ServiceModelSectionGroup svcmod =
25
(ServiceModelSectionGroup)conf.GetSectionGroup("system.serviceModel");
26
foreach (ServiceElement el in svcmod.Services.Services)
27
{
28
Type svcType = Type.GetType(el.Name);
29
if (svcType == null)
30
throw new Exception("Invalid Service Type " + el.Name + " in configuration file.");
31
OpenHost(svcType);
32
}
33
34
}
35
36
37
public static void CloseAllServices()
38
{
39
foreach (ServiceHost hst in _hosts)
40
{
41
hst.Close();
42
}
43
}
44
}
using System;2
using System.Collections.Generic;3
using System.Reflection;4
using System.Configuration;5
using System.ServiceModel.Configuration;6
using System.ServiceModel;7

8
public class ServiceHostGroup9
{10
static List<ServiceHost> _hosts = new List<ServiceHost>();11

12
private static void OpenHost(Type t)13
{14
ServiceHost hst = new ServiceHost(t);15
hst.Open();16
_hosts.Add(hst);17
}18

19
public static void StartAllConfiguredServices()20
{21
Configuration conf = 22
ConfigurationManager.OpenExeConfiguration(Assembly.GetEntryAssembly().Location);23

24
ServiceModelSectionGroup svcmod = 25
(ServiceModelSectionGroup)conf.GetSectionGroup("system.serviceModel");26
foreach (ServiceElement el in svcmod.Services.Services)27
{28
Type svcType = Type.GetType(el.Name);29
if (svcType == null) 30
throw new Exception("Invalid Service Type " + el.Name + " in configuration file.");31
OpenHost(svcType);32
}33

34
}35

36

37
public static void CloseAllServices()38
{39
foreach (ServiceHost hst in _hosts)40
{41
hst.Close();42
}43
}44
}
二.服务配置在外部配置文件中:
Services.XML:
<configuredServices>
<service type="ServiceImplementation.ArticleService, ServiceImplementation" />
</configuredServices>
ServiceHostBase.cs:
1
using System;
2
using System.Collections.Generic;
3
using System.Reflection;
4
using System.Configuration;
5
using System.ServiceModel.Configuration;
6
using System.ServiceModel;
7
using System.Xml;
8
using System.Xml.Serialization;
9
using System.IO;
10
11
public class ServiceHostGroup
12
{
13
static List<ServiceHost> _hosts = new List<ServiceHost>();
14
15
private static void OpenHost(Type t)
16
{
17
ServiceHost hst = new ServiceHost(t);
18
Type ty = hst.Description.ServiceType;
19
hst.Open();
20
_hosts.Add(hst);
21
}
22
23
public static void StartAllConfiguredServices()
24
{
25
ConfiguredServices services = ConfiguredServices.LoadFromFile("services.xml");
26
27
foreach (ConfiguredService svc in services.Services)
28
{
29
Type svcType = Type.GetType(svc.Type);
30
if (svcType == null) throw new Exception("Invalid Service Type " + svc.Type + " in configuration file.");
31
OpenHost(svcType);
32
}
33
}
34
35
public static void CloseAllServices()
36
{
37
foreach (ServiceHost hst in _hosts)
38
{
39
hst.Close();
40
}
41
}
42
}
43
44
[XmlRoot("configuredServices")]
45
public class ConfiguredServices
46
{
47
public static ConfiguredServices LoadFromFile(string filename)
48
{
49
if (!File.Exists(filename)) return new ConfiguredServices();
50
51
XmlSerializer ser = new XmlSerializer(typeof(ConfiguredServices));
52
using (FileStream fs = File.OpenRead(filename))
53
{
54
return (ConfiguredServices) ser.Deserialize(fs);
55
}
56
}
57
58
[XmlElement("service", typeof(ConfiguredService))]
59
public List<ConfiguredService> Services = new List<ConfiguredService>();
60
}
61
62
public class ConfiguredService
63
{
64
[XmlAttribute("type")]
65
public string Type;
66
}
using System;2
using System.Collections.Generic;3
using System.Reflection;4
using System.Configuration;5
using System.ServiceModel.Configuration;6
using System.ServiceModel;7
using System.Xml;8
using System.Xml.Serialization;9
using System.IO;10

11
public class ServiceHostGroup12
{13
static List<ServiceHost> _hosts = new List<ServiceHost>();14

15
private static void OpenHost(Type t)16
{17
ServiceHost hst = new ServiceHost(t);18
Type ty = hst.Description.ServiceType;19
hst.Open();20
_hosts.Add(hst);21
}22

23
public static void StartAllConfiguredServices()24
{25
ConfiguredServices services = ConfiguredServices.LoadFromFile("services.xml");26

27
foreach (ConfiguredService svc in services.Services)28
{29
Type svcType = Type.GetType(svc.Type);30
if (svcType == null) throw new Exception("Invalid Service Type " + svc.Type + " in configuration file.");31
OpenHost(svcType);32
}33
}34

35
public static void CloseAllServices()36
{37
foreach (ServiceHost hst in _hosts)38
{39
hst.Close();40
}41
}42
}43

44
[XmlRoot("configuredServices")]45
public class ConfiguredServices46
{47
public static ConfiguredServices LoadFromFile(string filename)48
{49
if (!File.Exists(filename)) return new ConfiguredServices();50

51
XmlSerializer ser = new XmlSerializer(typeof(ConfiguredServices));52
using (FileStream fs = File.OpenRead(filename))53
{54
return (ConfiguredServices) ser.Deserialize(fs);55
}56
}57

58
[XmlElement("service", typeof(ConfiguredService))]59
public List<ConfiguredService> Services = new List<ConfiguredService>();60
}61

62
public class ConfiguredService63
{64
[XmlAttribute("type")]65
public string Type;66
}
原文:
Start ServiceHosts for all configured Services


浙公网安备 33010602011771号