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create platform-specific network manager implementation

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This commit is contained in:
Luke Pulverenti 2013-10-05 13:13:32 -04:00
parent 6a665e1807
commit 478be44dd6
15 changed files with 369 additions and 303 deletions
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5
MediaBrowser.Common.Implementations/BaseApplicationHost.cs
View File

@ -2,7 +2,6 @@
using MediaBrowser.Common.Events;
using MediaBrowser.Common.Implementations.Archiving;
using MediaBrowser.Common.Implementations.IO;
using MediaBrowser.Common.Implementations.NetworkManagement;
using MediaBrowser.Common.Implementations.ScheduledTasks;
using MediaBrowser.Common.Implementations.Security;
using MediaBrowser.Common.Implementations.Serialization;
@ -335,7 +334,7 @@ namespace MediaBrowser.Common.Implementations
HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger, CreateHttpClient);
RegisterSingleInstance(HttpClient);
NetworkManager = new NetworkManager();
NetworkManager = CreateNetworkManager();
RegisterSingleInstance(NetworkManager);
SecurityManager = new PluginSecurityManager(this, HttpClient, JsonSerializer, ApplicationPaths, NetworkManager);
@ -379,6 +378,8 @@ namespace MediaBrowser.Common.Implementations
}
}
protected abstract INetworkManager CreateNetworkManager();
/// <summary>
/// Creates an instance of type and resolves all constructor dependancies
/// </summary>

4
MediaBrowser.Common.Implementations/MediaBrowser.Common.Implementations.csproj
View File

@ -71,9 +71,7 @@
<Compile Include="Logging\LogHelper.cs" />
<Compile Include="Logging\NLogger.cs" />
<Compile Include="Logging\NlogManager.cs" />
<Compile Include="NetworkManagement\NativeMethods.cs" />
<Compile Include="NetworkManagement\NetworkManager.cs" />
<Compile Include="NetworkManagement\NetworkShares.cs" />
<Compile Include="Networking\BaseNetworkManager.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="ScheduledTasks\ScheduledTaskWorker.cs" />
<Compile Include="ScheduledTasks\TaskManager.cs" />

290
MediaBrowser.Common.Implementations/NetworkManagement/NetworkManager.cs
View File

@ -1,290 +0,0 @@
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Net;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Runtime.InteropServices;
namespace MediaBrowser.Common.Implementations.NetworkManagement
{
/// <summary>
/// Class NetUtils
/// </summary>
public class NetworkManager : INetworkManager
{
/// <summary>
/// Gets the machine's local ip address
/// </summary>
/// <returns>IPAddress.</returns>
public IEnumerable<string> GetLocalIpAddresses()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
// Reverse them because the last one is usually the correct one
// It's not fool-proof so ultimately the consumer will have to examine them and decide
return host.AddressList
.Where(i => i.AddressFamily == AddressFamily.InterNetwork)
.Select(i => i.ToString())
.Reverse();
}
/// <summary>
/// Gets a random port number that is currently available
/// </summary>
/// <returns>System.Int32.</returns>
public int GetRandomUnusedPort()
{
var listener = new TcpListener(IPAddress.Any, 0);
listener.Start();
var port = ((IPEndPoint)listener.LocalEndpoint).Port;
listener.Stop();
return port;
}
/// <summary>
/// Returns MAC Address from first Network Card in Computer
/// </summary>
/// <returns>[string] MAC Address</returns>
public string GetMacAddress()
{
return NetworkInterface.GetAllNetworkInterfaces()
.Where(i => i.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(i => BitConverter.ToString(i.GetPhysicalAddress().GetAddressBytes()))
.FirstOrDefault();
}
/// <summary>
/// Gets the network shares.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>IEnumerable{NetworkShare}.</returns>
public IEnumerable<NetworkShare> GetNetworkShares(string path)
{
return new ShareCollection(path).OfType<Share>().Select(ToNetworkShare);
}
/// <summary>
/// To the network share.
/// </summary>
/// <param name="share">The share.</param>
/// <returns>NetworkShare.</returns>
private NetworkShare ToNetworkShare(Share share)
{
return new NetworkShare
{
Name = share.NetName,
Path = share.Path,
Remark = share.Remark,
Server = share.Server,
ShareType = ToNetworkShareType(share.ShareType)
};
}
/// <summary>
/// To the type of the network share.
/// </summary>
/// <param name="shareType">Type of the share.</param>
/// <returns>NetworkShareType.</returns>
/// <exception cref="System.ArgumentException">Unknown share type</exception>
private NetworkShareType ToNetworkShareType(ShareType shareType)
{
if (shareType.HasFlag(ShareType.Special))
{
return NetworkShareType.Special;
}
if (shareType.HasFlag(ShareType.Device))
{
return NetworkShareType.Device;
}
if (shareType.HasFlag(ShareType.Disk))
{
return NetworkShareType.Disk;
}
if (shareType.HasFlag(ShareType.IPC))
{
return NetworkShareType.Ipc;
}
if (shareType.HasFlag(ShareType.Printer))
{
return NetworkShareType.Printer;
}
throw new ArgumentException("Unknown share type");
}
/// <summary>
/// Parses the specified endpointstring.
/// </summary>
/// <param name="endpointstring">The endpointstring.</param>
/// <returns>IPEndPoint.</returns>
public IPEndPoint Parse(string endpointstring)
{
return Parse(endpointstring, -1);
}
/// <summary>
/// Parses the specified endpointstring.
/// </summary>
/// <param name="endpointstring">The endpointstring.</param>
/// <param name="defaultport">The defaultport.</param>
/// <returns>IPEndPoint.</returns>
/// <exception cref="System.ArgumentException">Endpoint descriptor may not be empty.</exception>
/// <exception cref="System.FormatException"></exception>
private static IPEndPoint Parse(string endpointstring, int defaultport)
{
if (string.IsNullOrEmpty(endpointstring)
|| endpointstring.Trim().Length == 0)
{
throw new ArgumentException("Endpoint descriptor may not be empty.");
}
if (defaultport != -1 &&
(defaultport < IPEndPoint.MinPort
|| defaultport > IPEndPoint.MaxPort))
{
throw new ArgumentException(string.Format("Invalid default port '{0}'", defaultport));
}
string[] values = endpointstring.Split(new char[] { ':' });
IPAddress ipaddy;
int port = -1;
//check if we have an IPv6 or ports
if (values.Length <= 2) // ipv4 or hostname
{
port = values.Length == 1 ? defaultport : GetPort(values[1]);
//try to use the address as IPv4, otherwise get hostname
if (!IPAddress.TryParse(values[0], out ipaddy))
ipaddy = GetIPfromHost(values[0]);
}
else if (values.Length > 2) //ipv6
{
//could [a:b:c]:d
if (values[0].StartsWith("[") && values[values.Length - 2].EndsWith("]"))
{
string ipaddressstring = string.Join(":", values.Take(values.Length - 1).ToArray());
ipaddy = IPAddress.Parse(ipaddressstring);
port = GetPort(values[values.Length - 1]);
}
else //[a:b:c] or a:b:c
{
ipaddy = IPAddress.Parse(endpointstring);
port = defaultport;
}
}
else
{
throw new FormatException(string.Format("Invalid endpoint ipaddress '{0}'", endpointstring));
}
if (port == -1)
throw new ArgumentException(string.Format("No port specified: '{0}'", endpointstring));
return new IPEndPoint(ipaddy, port);
}
protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
/// Gets the port.
/// </summary>
/// <param name="p">The p.</param>
/// <returns>System.Int32.</returns>
/// <exception cref="System.FormatException"></exception>
private static int GetPort(string p)
{
int port;
if (!int.TryParse(p, out port)
|| port < IPEndPoint.MinPort
|| port > IPEndPoint.MaxPort)
{
throw new FormatException(string.Format("Invalid end point port '{0}'", p));
}
return port;
}
/// <summary>
/// Gets the I pfrom host.
/// </summary>
/// <param name="p">The p.</param>
/// <returns>IPAddress.</returns>
/// <exception cref="System.ArgumentException"></exception>
private static IPAddress GetIPfromHost(string p)
{
var hosts = Dns.GetHostAddresses(p);
if (hosts == null || hosts.Length == 0)
throw new ArgumentException(string.Format("Host not found: {0}", p));
return hosts[0];
}
/// <summary>
/// Uses the DllImport : NetServerEnum with all its required parameters
/// (see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
/// for full details or method signature) to retrieve a list of domain SV_TYPE_WORKSTATION
/// and SV_TYPE_SERVER PC's
/// </summary>
/// <returns>Arraylist that represents all the SV_TYPE_WORKSTATION and SV_TYPE_SERVER
/// PC's in the Domain</returns>
public IEnumerable<string> GetNetworkDevices()
{
//local fields
const int MAX_PREFERRED_LENGTH = -1;
var SV_TYPE_WORKSTATION = 1;
var SV_TYPE_SERVER = 2;
var buffer = IntPtr.Zero;
var tmpBuffer = IntPtr.Zero;
var entriesRead = 0;
var totalEntries = 0;
var resHandle = 0;
var sizeofINFO = Marshal.SizeOf(typeof(_SERVER_INFO_100));
try
{
//call the DllImport : NetServerEnum with all its required parameters
//see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
//for full details of method signature
var ret = NativeMethods.NetServerEnum(null, 100, ref buffer, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, SV_TYPE_WORKSTATION | SV_TYPE_SERVER, null, out resHandle);
//if the returned with a NERR_Success (C++ term), =0 for C#
if (ret == 0)
{
//loop through all SV_TYPE_WORKSTATION and SV_TYPE_SERVER PC's
for (var i = 0; i < totalEntries; i++)
{
//get pointer to, Pointer to the buffer that received the data from
//the call to NetServerEnum. Must ensure to use correct size of
//STRUCTURE to ensure correct location in memory is pointed to
tmpBuffer = new IntPtr((int)buffer + (i * sizeofINFO));
//Have now got a pointer to the list of SV_TYPE_WORKSTATION and
//SV_TYPE_SERVER PC's, which is unmanaged memory
//Needs to Marshal data from an unmanaged block of memory to a
//managed object, again using STRUCTURE to ensure the correct data
//is marshalled
var svrInfo = (_SERVER_INFO_100)Marshal.PtrToStructure(tmpBuffer, typeof(_SERVER_INFO_100));
//add the PC names to the ArrayList
if (!string.IsNullOrEmpty(svrInfo.sv100_name))
{
yield return svrInfo.sv100_name;
}
}
}
}
finally
{
//The NetApiBufferFree function frees
//the memory that the NetApiBufferAllocate function allocates
NativeMethods.NetApiBufferFree(buffer);
}
}
}
}

163
MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs Normal file
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@ -0,0 +1,163 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
namespace MediaBrowser.Common.Implementations.Networking
{
public abstract class BaseNetworkManager
{
/// <summary>
/// Gets the machine's local ip address
/// </summary>
/// <returns>IPAddress.</returns>
public IEnumerable<string> GetLocalIpAddresses()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
// Reverse them because the last one is usually the correct one
// It's not fool-proof so ultimately the consumer will have to examine them and decide
return host.AddressList
.Where(i => i.AddressFamily == AddressFamily.InterNetwork)
.Select(i => i.ToString())
.Reverse();
}
/// <summary>
/// Gets a random port number that is currently available
/// </summary>
/// <returns>System.Int32.</returns>
public int GetRandomUnusedPort()
{
var listener = new TcpListener(IPAddress.Any, 0);
listener.Start();
var port = ((IPEndPoint)listener.LocalEndpoint).Port;
listener.Stop();
return port;
}
/// <summary>
/// Returns MAC Address from first Network Card in Computer
/// </summary>
/// <returns>[string] MAC Address</returns>
public string GetMacAddress()
{
return NetworkInterface.GetAllNetworkInterfaces()
.Where(i => i.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(i => BitConverter.ToString(i.GetPhysicalAddress().GetAddressBytes()))
.FirstOrDefault();
}
/// <summary>
/// Parses the specified endpointstring.
/// </summary>
/// <param name="endpointstring">The endpointstring.</param>
/// <returns>IPEndPoint.</returns>
public IPEndPoint Parse(string endpointstring)
{
return Parse(endpointstring, -1);
}
/// <summary>
/// Parses the specified endpointstring.
/// </summary>
/// <param name="endpointstring">The endpointstring.</param>
/// <param name="defaultport">The defaultport.</param>
/// <returns>IPEndPoint.</returns>
/// <exception cref="System.ArgumentException">Endpoint descriptor may not be empty.</exception>
/// <exception cref="System.FormatException"></exception>
private static IPEndPoint Parse(string endpointstring, int defaultport)
{
if (String.IsNullOrEmpty(endpointstring)
|| endpointstring.Trim().Length == 0)
{
throw new ArgumentException("Endpoint descriptor may not be empty.");
}
if (defaultport != -1 &&
(defaultport < IPEndPoint.MinPort
|| defaultport > IPEndPoint.MaxPort))
{
throw new ArgumentException(String.Format("Invalid default port '{0}'", defaultport));
}
string[] values = endpointstring.Split(new char[] { ':' });
IPAddress ipaddy;
int port = -1;
//check if we have an IPv6 or ports
if (values.Length <= 2) // ipv4 or hostname
{
port = values.Length == 1 ? defaultport : GetPort(values[1]);
//try to use the address as IPv4, otherwise get hostname
if (!IPAddress.TryParse(values[0], out ipaddy))
ipaddy = GetIPfromHost(values[0]);
}
else if (values.Length > 2) //ipv6
{
//could [a:b:c]:d
if (values[0].StartsWith("[") && values[values.Length - 2].EndsWith("]"))
{
string ipaddressstring = String.Join(":", values.Take(values.Length - 1).ToArray());
ipaddy = IPAddress.Parse(ipaddressstring);
port = GetPort(values[values.Length - 1]);
}
else //[a:b:c] or a:b:c
{
ipaddy = IPAddress.Parse(endpointstring);
port = defaultport;
}
}
else
{
throw new FormatException(String.Format("Invalid endpoint ipaddress '{0}'", endpointstring));
}
if (port == -1)
throw new ArgumentException(String.Format("No port specified: '{0}'", endpointstring));
return new IPEndPoint(ipaddy, port);
}
protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
/// Gets the port.
/// </summary>
/// <param name="p">The p.</param>
/// <returns>System.Int32.</returns>
/// <exception cref="System.FormatException"></exception>
private static int GetPort(string p)
{
int port;
if (!Int32.TryParse(p, out port)
|| port < IPEndPoint.MinPort
|| port > IPEndPoint.MaxPort)
{
throw new FormatException(String.Format("Invalid end point port '{0}'", p));
}
return port;
}
/// <summary>
/// Gets the I pfrom host.
/// </summary>
/// <param name="p">The p.</param>
/// <returns>IPAddress.</returns>
/// <exception cref="System.ArgumentException"></exception>
private static IPAddress GetIPfromHost(string p)
{
var hosts = Dns.GetHostAddresses(p);
if (hosts == null || hosts.Length == 0)
throw new ArgumentException(String.Format("Host not found: {0}", p));
return hosts[0];
}
}
}

8
MediaBrowser.Common/Net/INetworkManager.cs
View File

@ -1,5 +1,6 @@
using MediaBrowser.Model.Net;
using System.Collections.Generic;
using System.Net;
namespace MediaBrowser.Common.Net
{
@ -35,5 +36,12 @@ namespace MediaBrowser.Common.Net
/// </summary>
/// <returns>PC's in the Domain</returns>
IEnumerable<string> GetNetworkDevices();
/// <summary>
/// Parses the specified endpointstring.
/// </summary>
/// <param name="endpointstring">The endpointstring.</param>
/// <returns>IPEndPoint.</returns>
IPEndPoint Parse(string endpointstring);
}
}

5
MediaBrowser.Mono.userprefs
View File

@ -1,9 +1,10 @@
<Properties>
<MonoDevelop.Ide.Workspace ActiveConfiguration="Debug|x86" />
<MonoDevelop.Ide.Workbench ActiveDocument="MediaBrowser.Server.Mono\FFMpeg\FFMpegDownloader.cs">
<MonoDevelop.Ide.Workbench ActiveDocument="MediaBrowser.Server.Mono\Networking\NetworkManager.cs">
<Files>
<File FileName="MediaBrowser.Server.Implementations\HttpServer\HttpServer.cs" Line="604" Column="23" />
<File FileName="MediaBrowser.Server.Implementations\HttpServer\HttpServer.cs" Line="1" Column="1" />
<File FileName="MediaBrowser.Server.Mono\FFMpeg\FFMpegDownloader.cs" Line="1" Column="1" />
<File FileName="MediaBrowser.Server.Mono\Networking\NetworkManager.cs" Line="39" Column="1" />
</Files>
</MonoDevelop.Ide.Workbench>
<MonoDevelop.Ide.DebuggingService.Breakpoints>

1
MediaBrowser.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
View File

@ -232,6 +232,7 @@ namespace MediaBrowser.Server.Implementations.EntryPoints
var allRecursiveChildren = user.RootFolder.GetRecursiveChildren(user)
.Select(i => i.Id)
.Distinct()
.ToDictionary(i => i);
return new LibraryUpdateInfo

5
MediaBrowser.Server.Implementations/Udp/UdpServer.cs
View File

@ -1,5 +1,4 @@
using MediaBrowser.Common.Implementations.NetworkManagement;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Model.Logging;
using System;
@ -260,7 +259,7 @@ namespace MediaBrowser.Server.Implementations.Udp
throw new ArgumentNullException("remoteEndPoint");
}
await _udpClient.SendAsync(bytes, bytes.Length, new NetworkManager().Parse(remoteEndPoint)).ConfigureAwait(false);
await _udpClient.SendAsync(bytes, bytes.Length, _networkManager.Parse(remoteEndPoint)).ConfigureAwait(false);
_logger.Info("Udp message sent to {0}", remoteEndPoint);
}

4
MediaBrowser.Server.Mono/MediaBrowser.Server.Mono.csproj
View File

@ -35,7 +35,6 @@
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756" />
<Reference Include="gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
<Reference Include="gdk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
<Reference Include="glib-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
@ -51,6 +50,7 @@
<Reference Include="ServiceStack.Interfaces">
<HintPath>..\packages\ServiceStack.Common.3.9.62\lib\net35\ServiceStack.Interfaces.dll</HintPath>
</Reference>
<Reference Include="Mono.Posix" />
</ItemGroup>
<ItemGroup>
<EmbeddedResource Include="gtk-gui\gui.stetic">
@ -84,6 +84,7 @@
<Compile Include="Native\Assemblies.cs" />
<Compile Include="Native\NativeApp.cs" />
<Compile Include="Native\HttpClientFactory.cs" />
<Compile Include="Networking\NetworkManager.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<ItemGroup>
@ -124,6 +125,7 @@
<Folder Include="EntryPoints\" />
<Folder Include="Native\" />
<Folder Include="FFMpeg\" />
<Folder Include="Networking\" />
</ItemGroup>
<ItemGroup>
<None Include="app.config" />

38
MediaBrowser.Server.Mono/Networking/NetworkManager.cs Normal file
View File

@ -0,0 +1,38 @@
using MediaBrowser.Common.Implementations.Networking;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Net;
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace MediaBrowser.ServerApplication.Networking
{
/// <summary>
/// Class NetUtils
/// </summary>
public class NetworkManager : BaseNetworkManager, INetworkManager
{
/// <summary>
/// Gets the network shares.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>IEnumerable{NetworkShare}.</returns>
public IEnumerable<NetworkShare> GetNetworkShares(string path)
{
return new List<NetworkShare> ();
}
/// <summary>
/// Uses the DllImport : NetServerEnum with all its required parameters
/// (see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
/// for full details or method signature) to retrieve a list of domain SV_TYPE_WORKSTATION
/// and SV_TYPE_SERVER PC's
/// </summary>
/// <returns>Arraylist that represents all the SV_TYPE_WORKSTATION and SV_TYPE_SERVER
/// PC's in the Domain</returns>
public IEnumerable<string> GetNetworkDevices()
{
return new List<string> ();
}
}
}

6
MediaBrowser.ServerApplication/ApplicationHost.cs
View File

@ -48,6 +48,7 @@ using MediaBrowser.Server.Implementations.Session;
using MediaBrowser.Server.Implementations.WebSocket;
using MediaBrowser.ServerApplication.FFMpeg;
using MediaBrowser.ServerApplication.Native;
using MediaBrowser.ServerApplication.Networking;
using MediaBrowser.WebDashboard.Api;
using System;
using System.Collections.Generic;
@ -296,6 +297,11 @@ namespace MediaBrowser.ServerApplication
SetKernelProperties();
}
protected override INetworkManager CreateNetworkManager()
{
return new NetworkManager();
}
/// <summary>
/// Registers the media encoder.
/// </summary>

3
MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
View File

@ -198,6 +198,9 @@
<Compile Include="BackgroundServiceInstaller.cs">
<SubType>Component</SubType>
</Compile>
<Compile Include="Networking\NativeMethods.cs" />
<Compile Include="Networking\NetworkManager.cs" />
<Compile Include="Networking\NetworkShares.cs" />
<Compile Include="Splash\SplashWindow.xaml.cs">
<DependentUpon>SplashWindow.xaml</DependentUpon>
</Compile>

2
MediaBrowser.Common.Implementations/NetworkManagement/NativeMethods.cs → MediaBrowser.ServerApplication/Networking/NativeMethods.cs
View File

@ -2,7 +2,7 @@
using System.Runtime.InteropServices;
using System.Security;
namespace MediaBrowser.Common.Implementations.NetworkManagement
namespace MediaBrowser.ServerApplication.Networking
{
/// <summary>
/// Class NativeMethods

136
MediaBrowser.ServerApplication/Networking/NetworkManager.cs Normal file
View File

@ -0,0 +1,136 @@
using MediaBrowser.Common.Implementations.Networking;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
namespace MediaBrowser.ServerApplication.Networking
{
/// <summary>
/// Class NetUtils
/// </summary>
public class NetworkManager : BaseNetworkManager, INetworkManager
{
/// <summary>
/// Gets the network shares.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>IEnumerable{NetworkShare}.</returns>
public IEnumerable<NetworkShare> GetNetworkShares(string path)
{
return new ShareCollection(path).OfType<Share>().Select(ToNetworkShare);
}
/// <summary>
/// To the network share.
/// </summary>
/// <param name="share">The share.</param>
/// <returns>NetworkShare.</returns>
private NetworkShare ToNetworkShare(Share share)
{
return new NetworkShare
{
Name = share.NetName,
Path = share.Path,
Remark = share.Remark,
Server = share.Server,
ShareType = ToNetworkShareType(share.ShareType)
};
}
/// <summary>
/// To the type of the network share.
/// </summary>
/// <param name="shareType">Type of the share.</param>
/// <returns>NetworkShareType.</returns>
/// <exception cref="System.ArgumentException">Unknown share type</exception>
private NetworkShareType ToNetworkShareType(ShareType shareType)
{
if (shareType.HasFlag(ShareType.Special))
{
return NetworkShareType.Special;
}
if (shareType.HasFlag(ShareType.Device))
{
return NetworkShareType.Device;
}
if (shareType.HasFlag(ShareType.Disk))
{
return NetworkShareType.Disk;
}
if (shareType.HasFlag(ShareType.IPC))
{
return NetworkShareType.Ipc;
}
if (shareType.HasFlag(ShareType.Printer))
{
return NetworkShareType.Printer;
}
throw new ArgumentException("Unknown share type");
}
/// <summary>
/// Uses the DllImport : NetServerEnum with all its required parameters
/// (see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
/// for full details or method signature) to retrieve a list of domain SV_TYPE_WORKSTATION
/// and SV_TYPE_SERVER PC's
/// </summary>
/// <returns>Arraylist that represents all the SV_TYPE_WORKSTATION and SV_TYPE_SERVER
/// PC's in the Domain</returns>
public IEnumerable<string> GetNetworkDevices()
{
//local fields
const int MAX_PREFERRED_LENGTH = -1;
var SV_TYPE_WORKSTATION = 1;
var SV_TYPE_SERVER = 2;
var buffer = IntPtr.Zero;
var tmpBuffer = IntPtr.Zero;
var entriesRead = 0;
var totalEntries = 0;
var resHandle = 0;
var sizeofINFO = Marshal.SizeOf(typeof(_SERVER_INFO_100));
try
{
//call the DllImport : NetServerEnum with all its required parameters
//see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netmgmt/netmgmt/netserverenum.asp
//for full details of method signature
var ret = NativeMethods.NetServerEnum(null, 100, ref buffer, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, SV_TYPE_WORKSTATION | SV_TYPE_SERVER, null, out resHandle);
//if the returned with a NERR_Success (C++ term), =0 for C#
if (ret == 0)
{
//loop through all SV_TYPE_WORKSTATION and SV_TYPE_SERVER PC's
for (var i = 0; i < totalEntries; i++)
{
//get pointer to, Pointer to the buffer that received the data from
//the call to NetServerEnum. Must ensure to use correct size of
//STRUCTURE to ensure correct location in memory is pointed to
tmpBuffer = new IntPtr((int)buffer + (i * sizeofINFO));
//Have now got a pointer to the list of SV_TYPE_WORKSTATION and
//SV_TYPE_SERVER PC's, which is unmanaged memory
//Needs to Marshal data from an unmanaged block of memory to a
//managed object, again using STRUCTURE to ensure the correct data
//is marshalled
var svrInfo = (_SERVER_INFO_100)Marshal.PtrToStructure(tmpBuffer, typeof(_SERVER_INFO_100));
//add the PC names to the ArrayList
if (!string.IsNullOrEmpty(svrInfo.sv100_name))
{
yield return svrInfo.sv100_name;
}
}
}
}
finally
{
//The NetApiBufferFree function frees
//the memory that the NetApiBufferAllocate function allocates
NativeMethods.NetApiBufferFree(buffer);
}
}
}
}

2
MediaBrowser.Common.Implementations/NetworkManagement/NetworkShares.cs → MediaBrowser.ServerApplication/Networking/NetworkShares.cs
View File

@ -3,7 +3,7 @@ using System.IO;
using System.Collections;
using System.Runtime.InteropServices;
namespace MediaBrowser.Common.Implementations.NetworkManagement
namespace MediaBrowser.ServerApplication.Networking
{
/// <summary>
/// Type of share