/// <summary>
/// This function should be called first to get a connection to the Hypervisor. If necessary, authentication will be performed fetching credentials via the callback See virConnectOpen for notes about environment variables which can have an effect on opening drivers
/// </summary>
/// <param name="name">URI of the hypervisor</param>
/// <param name="auth">Authenticate callback parameters</param>
/// <param name="flags">Open flags</param>
/// <returns>a pointer to the hypervisor connection or NULL in case of error URIs are documented at http://libvirt.org/uri.html </returns>
public static IntPtr OpenAuth(string name, ref ConnectAuth auth, int flags)
{
// Create a structure that hold cbdata and the callback target
OpenAuthManagedCB cbAndUserData = new OpenAuthManagedCB();
cbAndUserData.cbdata = auth.cbdata;
cbAndUserData.cbManaged = auth.cb;
// Pass the structure as cbdata
IntPtr cbAndUserDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(cbAndUserData));
Marshal.StructureToPtr(cbAndUserData, cbAndUserDataPtr, true);
// Create the real ConnectAuth structure, it will call OpenAuthCallbackFromUnmanaged via callback
ConnectAuthUnmanaged connectAuth = new ConnectAuthUnmanaged();
connectAuth.cbdata = cbAndUserDataPtr;
connectAuth.cb = OpenAuthCallbackFromUnmanaged;
connectAuth.CredTypes = auth.CredTypes;
return(OpenAuth(name, ref connectAuth, flags));
}
/// <summary>
/// This function should be called first to get a connection to the Hypervisor. If necessary, authentication will be performed fetching credentials via the callback See virConnectOpen for notes about environment variables which can have an effect on opening drivers
/// </summary>
/// <param name="name">URI of the hypervisor</param>
/// <param name="auth">Authenticate callback parameters</param>
/// <param name="flags">Open flags</param>
/// <returns>a pointer to the hypervisor connection or NULL in case of error URIs are documented at http://libvirt.org/uri.html </returns>
public static IntPtr OpenAuth(string name, ref ConnectAuth auth, int flags)
{
// Create a structure that hold cbdata and the callback target
OpenAuthManagedCB cbAndUserData = new OpenAuthManagedCB();
cbAndUserData.cbdata = auth.cbdata;
cbAndUserData.cbManaged = auth.cb;
// Pass the structure as cbdata
IntPtr cbAndUserDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(cbAndUserData));
Marshal.StructureToPtr(cbAndUserData, cbAndUserDataPtr, true);
// Create the real ConnectAuth structure, it will call OpenAuthCallbackFromUnmanaged via callback
ConnectAuthUnmanaged connectAuth = new ConnectAuthUnmanaged();
connectAuth.cbdata = cbAndUserDataPtr;
connectAuth.cb = OpenAuthCallbackFromUnmanaged;
connectAuth.CredTypes = auth.CredTypes;
return OpenAuth(name, ref connectAuth, flags);
}
protected virtual void OnButton1Clicked(object sender, System.EventArgs e)
{
// Remove all items
domainListStore.Clear ();
// Fill a structure to pass username and password to callbacks
AuthData authData = new AuthData { password = entry3.Text, user_name = entry2.Text };
IntPtr authDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(authData));
Marshal.StructureToPtr(authData, authDataPtr, false);
// Fill a virConnectAuth structure
ConnectAuth auth = new ConnectAuth
{
cbdata = authDataPtr, // The authData structure
cb = AuthCallback, // the method called by callbacks
CredTypes = new[]
{
ConnectCredentialType.VIR_CRED_AUTHNAME,
ConnectCredentialType.VIR_CRED_PASSPHRASE
} // The list of credentials types
};
// Request the connection
IntPtr conn = Connect.OpenAuth(entry1.Text, ref auth, 0);
Marshal.FreeHGlobal(authDataPtr);
if (conn != IntPtr.Zero)
{
// Get the number of defined (not running) domains
int numOfDefinedDomains = Connect.NumOfDefinedDomains(conn);
string[] definedDomainNames = new string[numOfDefinedDomains];
if (Connect.ListDefinedDomains(conn, ref definedDomainNames, numOfDefinedDomains) == -1)
{
ShowError("Unable to list defined domains");
goto cleanup;
}
// Add the domain names to the listbox
foreach (string domainName in definedDomainNames)
{
AddDomainInTreeView(domainName);
}
// Get the number of running domains
int numOfRunningDomain = Connect.NumOfDomains(conn);
int[] runningDomainIDs = new int[numOfRunningDomain];
if (Connect.ListDomains(conn, runningDomainIDs, numOfRunningDomain) == -1)
{
ShowError("Unable to list running domains");
goto cleanup;
}
// Add the domain names to the listbox
foreach (int runningDomainID in runningDomainIDs)
{
IntPtr domainPtr = Domain.LookupByID(conn, runningDomainID);
if (domainPtr == IntPtr.Zero)
{
ShowError("Unable to lookup domains by id");
goto cleanup;
}
string domainName = Domain.GetName(domainPtr);
Domain.Free(domainPtr);
if (string.IsNullOrEmpty(domainName))
{
ShowError("Unable to get domain name");
goto cleanup;
}
AddDomainInTreeView(domainName);
}
cleanup:
Connect.Close(conn);
}
else
{
ShowError("Unable to connect");
}
}
private void btnConnect_Click(object sender, EventArgs e)
{
lbDomains.Items.Clear();
// Fill a structure to pass username and password to callbacks
AuthData authData = new AuthData { password = tbPassword.Text, user_name = tbUsername.Text };
IntPtr authDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(authData));
Marshal.StructureToPtr(authData, authDataPtr, true);
// Fill a virConnectAuth structure
ConnectAuth auth = new ConnectAuth
{
cbdata = authDataPtr, // The authData structure
cb = AuthCallback, // the method called by callbacks
CredTypes = new[]
{
ConnectCredentialType.VIR_CRED_AUTHNAME,
ConnectCredentialType.VIR_CRED_PASSPHRASE
} // The list of credentials types
};
// Request the connection
IntPtr conn = Connect.OpenAuth(tbURI.Text, ref auth, 0);
Marshal.FreeHGlobal(authDataPtr);
if (conn != IntPtr.Zero)
{
// Get the number of defined (not running) domains
int numOfDefinedDomains = Connect.NumOfDefinedDomains(conn);
string[] definedDomainNames = new string[numOfDefinedDomains];
if (Connect.ListDefinedDomains(conn, ref definedDomainNames, numOfDefinedDomains) == -1)
{
MessageBox.Show("Unable to list defined domains", "List defined domains failed", MessageBoxButtons.OK,
MessageBoxIcon.Error);
goto cleanup;
}
// Add the domain names to the listbox
foreach (string domainName in definedDomainNames)
lbDomains.Items.Add(domainName);
// Get the number of running domains
int numOfRunningDomain = Connect.NumOfDomains(conn);
int[] runningDomainIDs = new int[numOfRunningDomain];
if (Connect.ListDomains(conn, runningDomainIDs, numOfRunningDomain) == -1)
{
MessageBox.Show("Unable to list running domains", "List running domains failed", MessageBoxButtons.OK,
MessageBoxIcon.Error);
goto cleanup;
}
// Add the domain names to the listbox
foreach (int runningDomainID in runningDomainIDs)
{
IntPtr domainPtr = Domain.LookupByID(conn, runningDomainID);
if (domainPtr == IntPtr.Zero)
{
MessageBox.Show("Unable to lookup domains by id", "Lookup domain failed", MessageBoxButtons.OK,
MessageBoxIcon.Error);
goto cleanup;
}
string domainName = Domain.GetName(domainPtr);
Domain.Free(domainPtr);
if (string.IsNullOrEmpty(domainName))
{
MessageBox.Show("Unable to get domain name", "Get domain name failed", MessageBoxButtons.OK,
MessageBoxIcon.Error);
goto cleanup;
}
lbDomains.Items.Add(domainName);
}
cleanup:
Connect.Close(conn);
}
else
{
MessageBox.Show("Unable to connect", "Connection failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
