int AddToDataGridTable(RemoteHosts h)
{
// colRemoteName, colIPAddress,colDescription, colStatus
// do we have a host name?
string hostName;
if (h.hostName == null)
{
hostName = " ";
}
else
{
hostName = h.hostName;
}
// do we have an IP address?
string ipaddress;
if (h.hostIPstr != null)
{
ipaddress = h.hostIPstr;
}
else
{
ipaddress = " ";
}
string description;
if (h.hostDescription == null)
{
description = " ";
}
else
{
description = h.hostDescription;
}
string status = "starting validation...";
//
// n is the new index. The cells must also be accessed by an index.
// In this example, there are four cells in each row.
//
int n = dataGridViewRemoteHostList.Rows.Add();
dataGridViewRemoteHostList.Rows[n].Cells[0].Value = hostName;
dataGridViewRemoteHostList.Rows[n].Cells[1].Value = ipaddress;
dataGridViewRemoteHostList.Rows[n].Cells[2].Value = description;
dataGridViewRemoteHostList.Rows[n].Cells[3].Style.WrapMode = DataGridViewTriState.True;
dataGridViewRemoteHostList.Rows[n].Cells[3].Value = status;
return(n);
}
private void dataGridViewRemoteHostList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (((RemoteHosts)m_AppData.CurrentlyLoggedInRemoteServer).LoggedIn)
{
return; // don't select a new server until the user logs out of the current one
}
RemoteHosts host = (RemoteHosts)m_HostsLookup[e.RowIndex];
if (host == null)
{
return;
}
if (host.hostName != null)
{
// its a verified host, select it
m_AppData.CurrentlyLoggedInRemoteServer = (RemoteHosts)host;
textBoxSelectedSystem.ForeColor = Color.Black;
textBoxSelectedSystem.Text = host.HostNameStatus;
SetLoginButtonStatus(host);
}
}
bool ValidateHostInfo(RemoteHosts h)
{
try
{
// 1. is the supplied IR address a valid IP address or is it a host name?
System.Net.IPAddress remoteIPAddress = null;
if (!System.Net.IPAddress.TryParse(h.hostIPstr, out remoteIPAddress))
{
// if it was not a valid ip address, perhaps it was a host name instead
System.Net.IPHostEntry GetIPHost = System.Net.Dns.GetHostEntry(h.hostIPstr);
h.hostIP = GetIPHost.AddressList[0];
}
else
{
h.hostIP = System.Net.IPAddress.Parse(h.hostIPstr);
}
// 2. is the supplied host IP reachable via ping?
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.StartValidation();
// h.StartValidation(OnHostsStatusChange, OnHostsRxHostName);
}
catch (Exception ex)
{
m_Log.Log("ValidateHostInfo ex: " + ex.Message, ErrorLog.LOG_TYPE.INFORMATIONAL);
}
return(true);
}
void AddLocalDefaultHost()
{
ClearTable();
m_Hosts = new List <RemoteHosts>();
m_HostsLookup = new Hashtable();
RemoteHosts h = new RemoteHosts(m_AppData, false);
h.hostIPstr = "127.0.0.1";
h.hostDescription = "This Machine";
h.MessageEventGenerators.OnRxInvalidPassword += OnInvalidPassword;
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.MessageEventGenerators.OnRxHealthStatus += OnRxHealthStats;
// this entry to the host display table
h.datagridRowIndex = AddToDataGridTable(h);
m_HostsLookup.Add(h.datagridRowIndex, h);
// spin off a validation thread for this potential host
ValidateHostInfo(h);
}
void SetLoginButtonStatus(RemoteHosts host)
{
textBoxSelectedSystem.ForeColor = Color.Black;
textBoxSelectedSystem.Text = host.HostNameStatus;
if (host.LoggedIn)
{
// allow logout
buttonLogout.Location = buttonLoginAsAdmin.Location;
buttonLogout.Enabled = true;
buttonLogout.Visible = true;
buttonLoginAsAdmin.Visible = false;
buttonLoginAsAdmin.Enabled = false;
buttonLoginAsViewer.Visible = false;
buttonLoginAsViewer.Enabled = false;
}
else
{
// allow login
buttonLogout.Enabled = false;
buttonLogout.Visible = false;
buttonLoginAsAdmin.Visible = true;
buttonLoginAsAdmin.Enabled = true;
buttonLoginAsViewer.Visible = true;
buttonLoginAsViewer.Enabled = true;
}
}
void LoadHostsFromFile(string hostsFile)
{
ClearTable();
m_Hosts = new List <RemoteHosts>();
m_HostsLookup = new Hashtable();
try
{
string[] lines = File.ReadAllLines(hostsFile);
for (int i = 0; i < lines.Count(); i++)
{
// hostIP, hostDecription
string[] bits = lines[i].Split(',');
if (bits.Length != 2)
{
m_Log.Log("found bad line (" + (i + 1).ToString() + ") in file :", ErrorLog.LOG_TYPE.INFORMATIONAL);
continue;
}
RemoteHosts h = new RemoteHosts(m_AppData, false);
h.hostIPstr = bits[0];
// load up handlers for receiving messages from the remote host
// h.MessageEventGenerators. OnLoginResult += HandlePasswordTestResult;
string test = h.hostIPstr.ToLower();
if (test.Equals("localhost"))
{
h.hostIPstr = "127.0.0.1";
}
h.hostDescription = bits[1].Trim(' ');;
h.MessageEventGenerators.OnRxInvalidPassword += OnInvalidPassword;
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.MessageEventGenerators.OnRxHealthStatus += OnRxHealthStats;
// this entry to the host display table
h.datagridRowIndex = AddToDataGridTable(h);
m_HostsLookup.Add(h.datagridRowIndex, h);
// spin off a validation thread for this potential host
ValidateHostInfo(h);
}
}
catch (Exception ex)
{
m_Log.Log(" LoadHostsFromFile ex: " + ex.Message, ErrorLog.LOG_TYPE.INFORMATIONAL);
}
}
void OnHostsStatusChange(RemoteHosts host, RemoteHosts.HOST_STATUS status, string details)
{
if (details.Contains("actively refused"))
{
details = "LPR Service not running on server";
}
if (host.ValidationState == RemoteHosts.VALIDATION_STATE.COMPLETED)
{
return; // dont print the "not connected" status, for validation connections leave the "connected"
}
UpdateGridStatusCell(host.datagridRowIndex, details, host.StatusColorCode);
}
private void dataGridViewRemoteHostList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
RemoteHosts host = (RemoteHosts)m_HostsLookup[e.RowIndex];
if (host.hostName != null)
{
// its a verified host, select it
m_CurrentlySelectedRemoteSystem = host;
textBoxSelectedSystem.ForeColor = Color.Black;
textBoxSelectedSystem.Text = host.HostNameStatus;
SetLoginButtonStatus(host);
}
}
// from the RemoteHost object
void HandlePasswordTestResult(RemoteHosts host, RemoteHosts.LOGIN_TYPE ltype)
{
if (m_PWPrompt != null)
{
if (ltype == RemoteHosts.LOGIN_TYPE.ADMIN)
{
m_PWPrompt.PasswordValidationResult(host.LoggedIn);
}
else
{
m_PWPrompt.PasswordValidationResult(host.LoggedIn);
}
}
if (host.LoggedIn)
{
Thread.Sleep(2000);
m_PWPrompt.Close();
}
}
int AddToDataGridTable(RemoteHosts h)
{
// colRemoteName, colIPAddress,colDescription, colStatus
// do we have a host name?
string hostName;
if (h.hostName == null) hostName = " ";
else hostName = h.hostName;
// do we have an IP address?
string ipaddress;
if (h.hostIPstr != null) ipaddress = h.hostIPstr;
else ipaddress = " ";
string description;
if (h.hostDescription == null) description = " ";
else description = h.hostDescription;
string status = "starting validation...";
//
// n is the new index. The cells must also be accessed by an index.
// In this example, there are four cells in each row.
//
int n = dataGridViewRemoteHostList.Rows.Add();
dataGridViewRemoteHostList.Rows[n].Cells[0].Value = hostName;
dataGridViewRemoteHostList.Rows[n].Cells[1].Value = ipaddress;
dataGridViewRemoteHostList.Rows[n].Cells[2].Value= description;
dataGridViewRemoteHostList.Rows[n].Cells[3].Style.WrapMode = DataGridViewTriState.True;
dataGridViewRemoteHostList.Rows[n].Cells[3].Value = status;
return (n);
}
public MessageEventHandlersClass(RemoteHosts parent)
{
Parent = parent;
}
public MessageEventGeneratorsClass(RemoteHosts parent)
{
Parent = parent;
}
void OnCurrentServerLoggedOut(RemoteHosts host)
{
this.BeginInvoke((MethodInvoker) delegate { this.UnLoadHostFromLiveView(); });
}
void OnNewServerSelected(RemoteHosts host)
{
this.BeginInvoke((MethodInvoker) delegate { this.LoadSourceChannels(); });
}
public MessageEventHandlersClass(RemoteHosts parent)
{
Parent = parent;
}
public MessageEventGeneratorsClass(RemoteHosts parent)
{
Parent = parent;
}
void OnCurrentServerLoggedOut(RemoteHosts host)
{
this.BeginInvoke((MethodInvoker)delegate { this.UnLoadHostFromLiveView(); });
}
// from the RemoteHost object
void HandlePasswordTestResult(RemoteHosts host, RemoteHosts.LOGIN_TYPE ltype)
{
if (m_PWPrompt != null)
{
if (ltype == RemoteHosts.LOGIN_TYPE.ADMIN)
m_PWPrompt.PasswordValidationResult(host.LoggedIn);
else
m_PWPrompt.PasswordValidationResult(host.LoggedIn);
}
if (host.LoggedIn)
{
Thread.Sleep(2000);
m_PWPrompt.Close();
}
}
bool ValidateHostInfo(RemoteHosts h)
{
try
{
// 1. is the supplied IR address a valid IP address or is it a host name?
System.Net.IPAddress remoteIPAddress = null;
if (!System.Net.IPAddress.TryParse(h.hostIPstr, out remoteIPAddress))
{
// if it was not a valid ip address, perhaps it was a host name instead
System.Net.IPHostEntry GetIPHost = System.Net.Dns.GetHostEntry(h.hostIPstr);
h.hostIP = GetIPHost.AddressList[0];
}
else
{
h.hostIP = System.Net.IPAddress.Parse(h.hostIPstr);
}
// 2. is the supplied host IP reachable via ping?
h.StartValidation();
// h.StartValidation(OnHostsStatusChange, OnHostsRxHostName);
}
catch(Exception ex)
{
m_Log.Log("ValidateHostInfo ex: " + ex.Message, ErrorLog.LOG_TYPE.INFORMATIONAL);
}
return (true);
}
void OnHostsStatusChange(RemoteHosts host, RemoteHosts.HOST_STATUS status, string details)
{
if (status == RemoteHosts.HOST_STATUS.LOGGEDOUT)
{
changeStateToLoggedOut();
return;
}
if (details.Contains("actively refused")) details = "LPR Service not running on server";
if (host.ValidationState == RemoteHosts.VALIDATION_STATE.COMPLETED) return;// dont print the "not connected" status, for validation connections leave the "connected"
UpdateGridStatusCell(host.datagridRowIndex, details, host.StatusColorCode);
}
void LoadHostsFromFile(string hostsFile)
{
ClearTable();
m_Hosts = new List<RemoteHosts>();
m_HostsLookup = new Hashtable();
try
{
string[] lines = File.ReadAllLines(hostsFile);
for (int i =0; i < lines.Count(); i++)
{
// hostIP, hostDecription
string[] bits = lines[i].Split(',');
if (bits.Length != 2)
{
m_Log.Log("found bad line ("+ (i+1).ToString()+") in file :", ErrorLog.LOG_TYPE.INFORMATIONAL);
continue;
}
RemoteHosts h = new RemoteHosts(m_AppData, false);
h.hostIPstr = bits[0];
// load up handlers for receiving messages from the remote host
// h.MessageEventGenerators. OnLoginResult += HandlePasswordTestResult;
string test = h.hostIPstr.ToLower();
if (test.Equals("localhost"))
h.hostIPstr = "127.0.0.1";
h.hostDescription = bits[1].Trim(' '); ;
h.MessageEventGenerators.OnRxInvalidPassword += OnInvalidPassword;
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.MessageEventGenerators.OnRxHealthStatus += OnRxHealthStats;
// this entry to the host display table
h.datagridRowIndex = AddToDataGridTable(h);
m_HostsLookup.Add(h.datagridRowIndex, h);
// spin off a validation thread for this potential host
ValidateHostInfo(h);
}
}
catch(Exception ex)
{
m_Log.Log(" LoadHostsFromFile ex: " + ex.Message, ErrorLog.LOG_TYPE.INFORMATIONAL);
}
}
void OnNewServerSelected(RemoteHosts host)
{
this.BeginInvoke((MethodInvoker)delegate { this.LoadSourceChannels(); });
}
void OnHostsRxHostName(RemoteHosts host, string name)
{
UpdateGridHostNameCell(host.datagridRowIndex, name);
}
void OnHostsRxHostName(RemoteHosts host, string name)
{
UpdateGridHostNameCell(host.datagridRowIndex, name);
}
void OnNewServerSelected(RemoteHosts host)
{
// LiveView has registered its own notfication on host logged in
}
void SetLoginButtonStatus(RemoteHosts host)
{
textBoxSelectedSystem.ForeColor = Color.Black;
textBoxSelectedSystem.Text = host.HostNameStatus;
if (host.LoggedIn)
{
// allow logout
buttonLogout.Location = buttonLoginAsAdmin.Location;
buttonLogout.Enabled = true;
buttonLogout.Visible = true;
buttonLoginAsAdmin.Visible = false;
buttonLoginAsAdmin.Enabled = false;
buttonLoginAsViewer.Visible = false;
buttonLoginAsViewer.Enabled = false;
}
else
{
// allow login
buttonLogout.Enabled = false;
buttonLogout.Visible = false;
buttonLoginAsAdmin.Visible = true;
buttonLoginAsAdmin.Enabled = true;
buttonLoginAsViewer.Visible = true;
buttonLoginAsViewer.Enabled = true;
}
}
private void dataGridViewRemoteHostList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
RemoteHosts host =(RemoteHosts) m_HostsLookup[e.RowIndex];
if (host.hostName != null)
{
// its a verified host, select it
m_CurrentlySelectedRemoteSystem = host;
textBoxSelectedSystem.ForeColor = Color.Black;
textBoxSelectedSystem.Text = host.HostNameStatus;
SetLoginButtonStatus(host);
}
}
void AddLocalDefaultHost()
{
ClearTable();
m_Hosts = new List<RemoteHosts>();
m_HostsLookup = new Hashtable();
RemoteHosts h = new RemoteHosts(m_AppData, false);
h.hostIPstr = "127.0.0.1";
h.hostDescription = "This Machine";
h.MessageEventGenerators.OnRxInvalidPassword += OnInvalidPassword;
h.MessageEventGenerators.OnStatusChange += OnHostsStatusChange;
h.MessageEventGenerators.OnGetHostName += OnHostsRxHostName;
h.MessageEventGenerators.OnRxValidAdminPassword += OnValidPassword;
h.MessageEventGenerators.OnRxValidViewerPassword += OnValidPassword;
h.MessageEventGenerators.OnRxHealthStatus += OnRxHealthStats;
// this entry to the host display table
h.datagridRowIndex = AddToDataGridTable(h);
m_HostsLookup.Add(h.datagridRowIndex, h);
// spin off a validation thread for this potential host
ValidateHostInfo(h);
}
void OnNewServerSelected(RemoteHosts host)
{
// LiveView has registered its own notfication on host logged in
}