///<summary>
/// Returns first repetition of LAN (Language Detail) - creates it if necessary
///</summary>
public LAN GetLAN()
{
LAN ret = null;
try {
ret = (LAN)this.GetStructure("LAN");
} catch (HL7Exception e) {
HapiLogFactory.GetHapiLog(GetType()).Error("Unexpected error accessing data - this is probably a bug in the source code generator.", e);
throw new System.Exception("An unexpected error ocurred", e);
}
return(ret);
}
/// <summary>
/// Send message to remote device. Appends EOF tag
/// </summary>
/// <param name="client">Remote device socket</param>
private static void Send(Socket client)
{
// Convert messages to string
string data = LAN.MessageToSock(Server.ToSendGetMessages());
// Convert string to byte using ASCII
byte[] byteData = Encoding.ASCII.GetBytes(data);
// Begin sending data to remote device
client.BeginSend(byteData, 0, byteData.Length, 0,
new AsyncCallback(SendCallback), client);
}
/// <summary> Returns first repetition of LAN (Language Detail) - creates it if necessary</summary>
public virtual LAN getLAN()
{
LAN ret = null;
try
{
ret = (LAN)this.get_Renamed("LAN");
}
catch (NuGenHL7Exception)
{
throw new Exception();
}
return(ret);
}
public void ExamineLAN()
{
Thread thread = new Thread(new ThreadStart(() =>
{
while (true)
{
LAN.ReadLanLink();
tcp_type.Text = LAN.IsLanLink ? "网络连接：开启" : "网络连接：断开";
Thread.Sleep(1000);
}
}));
thread.Start();
}
/// <summary>
/// Get Local IP Address
/// </summary>
/// <returns>String of IP address</returns>
protected static string GetLocalIP()
{
// Loop till local ip
while (true)
{
// Query user
WriteGUI("Enter local IP address: ");
// Get response
string temp = ReadLine();
// Attempt to get local IP
try
{
// Check temp is a string
if (String.IsNullOrEmpty(temp))
{
throw new ArgumentNullException("IP address", "Invalid IP Address");
}
// Get Host Info
IPHostEntry tempInfo = Dns.GetHostEntry(temp);
// Get Local IP
IPAddress tempLocalIP = LAN.GetLocal(tempInfo);
// Return ip address
return(temp);
}
catch (ArgumentNullException e)
{
// Write message
WriteGUI(e.Message);
}
catch (ArgumentException)
{
// Write user
WriteGUI(String.Format("Invalid IP address: {0}", temp));
}
catch (Exception e)
{
// Write exception
WriteGUI(e.ToString());
}
}
}
private void ExamineLAN()
{
Thread thread = new Thread(new ThreadStart(() =>
{
while (true)
{
LAN.ReadLanLink();
using (BackgroundWorker bw = new BackgroundWorker())
{
bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler(Lan_RunWorkerCompleted);
bw.DoWork += new DoWorkEventHandler(Lan_DoWork);
bw.RunWorkerAsync();
}
Thread.Sleep(5000);
}
}));
thread.Start();
}
private void btn_Search_Click(object sender, EventArgs e)
{
MAMH = mAMHComboBox.SelectedValue.ToString();
MALOP = mALOPComboBox.SelectedValue.ToString();
LAN = lANSpinEdit.Value.ToString();
string query = "select bd.MASV as 'Mã sinh viên', HO as 'Họ', TEN as'Tên', DIEM as 'Điểm', dbo.fnAmountToWords(DIEM) as N'Điểm chữ' from LOP as l, SINHVIEN as sv, BANGDIEM as bd " +
"where bd.MAMH = '" + MAMH.Trim() + "' and " +
"l.MALOP = '" + MALOP.Trim() + "' and " +
"LAN = " + LAN.Trim() + " and " +
"l.MALOP = sv.MALOP and " +
"bd.MASV = sv.MASV ";
Console.WriteLine(query);
try
{
dataGridView_Score.DataSource = Program.ExecSqlDataTable(query);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Constructs an HL7 segment for the specified Segments enum object
/// </summary>
/// <param name="seg">The Segments enum object to construct for</param>
public Segment(Segments seg)
{
switch (seg)
{
case Segments.ABS:
ABS abs = new ABS();
Name = abs.Name;
Description = abs.Description;
Fields = abs.Fields;
break;
case Segments.ACC:
ACC acc = new ACC();
Name = acc.Name;
Description = acc.Description;
Fields = acc.Fields;
break;
case Segments.ADD:
ADD add = new ADD();
Name = add.Name;
Description = add.Description;
Fields = add.Fields;
break;
case Segments.AFF:
AFF aff = new AFF();
Name = aff.Name;
Description = aff.Description;
Fields = aff.Fields;
break;
case Segments.AIG:
AIG aig = new AIG();
Name = aig.Name;
Description = aig.Description;
Fields = aig.Fields;
break;
case Segments.AIL:
AIL ail = new AIL();
Name = ail.Name;
Description = ail.Description;
Fields = ail.Fields;
break;
case Segments.AIP:
AIP aip = new AIP();
Name = aip.Name;
Description = aip.Description;
Fields = aip.Fields;
break;
case Segments.AIS:
AIS ais = new AIS();
Name = ais.Name;
Description = ais.Description;
Fields = ais.Fields;
break;
case Segments.AL1:
AL1 al1 = new AL1();
Name = al1.Name;
Description = al1.Description;
Fields = al1.Fields;
break;
case Segments.APR:
APR apr = new APR();
Name = apr.Name;
Description = apr.Description;
Fields = apr.Fields;
break;
case Segments.ARQ:
ARQ arq = new ARQ();
Name = arq.Name;
Description = arq.Description;
Fields = arq.Fields;
break;
case Segments.AUT:
AUT aut = new AUT();
Name = aut.Name;
Description = aut.Description;
Fields = aut.Fields;
break;
case Segments.BHS:
BHS bhs = new BHS();
Name = bhs.Name;
Description = bhs.Description;
Fields = bhs.Fields;
break;
case Segments.BLC:
BLC blc = new BLC();
Name = blc.Name;
Description = blc.Description;
Fields = blc.Fields;
break;
case Segments.BLG:
BLG blg = new BLG();
Name = blg.Name;
Description = blg.Description;
Fields = blg.Fields;
break;
case Segments.BPO:
BPO bpo = new BPO();
Name = bpo.Name;
Description = bpo.Description;
Fields = bpo.Fields;
break;
case Segments.BPX:
BPX bpx = new BPX();
Name = bpx.Name;
Description = bpx.Description;
Fields = bpx.Fields;
break;
case Segments.BTS:
BTS bts = new BTS();
Name = bts.Name;
Description = bts.Description;
Fields = bts.Fields;
break;
case Segments.BTX:
BTX btx = new BTX();
Name = btx.Name;
Description = btx.Description;
Fields = btx.Fields;
break;
case Segments.CDM:
CDM cdm = new CDM();
Name = cdm.Name;
Description = cdm.Description;
Fields = cdm.Fields;
break;
case Segments.CER:
CER cer = new CER();
Name = cer.Name;
Description = cer.Description;
Fields = cer.Fields;
break;
case Segments.CM0:
CM0 cm0 = new CM0();
Name = cm0.Name;
Description = cm0.Description;
Fields = cm0.Fields;
break;
case Segments.CM1:
CM1 cm1 = new CM1();
Name = cm1.Name;
Description = cm1.Description;
Fields = cm1.Fields;
break;
case Segments.CM2:
CM2 cm2 = new CM2();
Name = cm2.Name;
Description = cm2.Description;
Fields = cm2.Fields;
break;
case Segments.CNS:
CNS cns = new CNS();
Name = cns.Name;
Description = cns.Description;
Fields = cns.Fields;
break;
case Segments.CON:
CON con = new CON();
Name = con.Name;
Description = con.Description;
Fields = con.Fields;
break;
case Segments.CSP:
CSP csp = new CSP();
Name = csp.Name;
Description = csp.Description;
Fields = csp.Fields;
break;
case Segments.CSR:
CSR csr = new CSR();
Name = csr.Name;
Description = csr.Description;
Fields = csr.Fields;
break;
case Segments.CSS:
CSS css = new CSS();
Name = css.Name;
Description = css.Description;
Fields = css.Fields;
break;
case Segments.CTD:
CTD ctd = new CTD();
Name = ctd.Name;
Description = ctd.Description;
Fields = ctd.Fields;
break;
case Segments.CTI:
CTI cti = new CTI();
Name = cti.Name;
Description = cti.Description;
Fields = cti.Fields;
break;
case Segments.DB1:
DB1 db1 = new DB1();
Name = db1.Name;
Description = db1.Description;
Fields = db1.Fields;
break;
case Segments.DG1:
DG1 dg1 = new DG1();
Name = dg1.Name;
Description = dg1.Description;
Fields = dg1.Fields;
break;
case Segments.DRG:
DRG drg = new DRG();
Name = drg.Name;
Description = drg.Description;
Fields = drg.Fields;
break;
case Segments.DSC:
DSC dsc = new DSC();
Name = dsc.Name;
Description = dsc.Description;
Fields = dsc.Fields;
break;
case Segments.DSP:
DSP dsp = new DSP();
Name = dsp.Name;
Description = dsp.Description;
Fields = dsp.Fields;
break;
case Segments.ECD:
ECD ecd = new ECD();
Name = ecd.Name;
Description = ecd.Description;
Fields = ecd.Fields;
break;
case Segments.ECR:
ECR ecr = new ECR();
Name = ecr.Name;
Description = ecr.Description;
Fields = ecr.Fields;
break;
case Segments.EDU:
EDU edu = new EDU();
Name = edu.Name;
Description = edu.Description;
Fields = edu.Fields;
break;
case Segments.EQL:
EQL eql = new EQL();
Name = eql.Name;
Description = eql.Description;
Fields = eql.Fields;
break;
case Segments.EQP:
EQP eqp = new EQP();
Name = eqp.Name;
Description = eqp.Description;
Fields = eqp.Fields;
break;
case Segments.EQU:
EQU equ = new EQU();
Name = equ.Name;
Description = equ.Description;
Fields = equ.Fields;
break;
case Segments.ERQ:
ERQ erq = new ERQ();
Name = erq.Name;
Description = erq.Description;
Fields = erq.Fields;
break;
case Segments.ERR:
ERR err = new ERR();
Name = err.Name;
Description = err.Description;
Fields = err.Fields;
break;
case Segments.EVN:
EVN evn = new EVN();
Name = evn.Name;
Description = evn.Description;
Fields = evn.Fields;
break;
case Segments.FAC:
FAC fac = new FAC();
Name = fac.Name;
Description = fac.Description;
Fields = fac.Fields;
break;
case Segments.FHS:
FHS fhs = new FHS();
Name = fhs.Name;
Description = fhs.Description;
Fields = fhs.Fields;
break;
case Segments.FT1:
FT1 ft1 = new FT1();
Name = ft1.Name;
Description = ft1.Description;
Fields = ft1.Fields;
break;
case Segments.FTS:
FTS fts = new FTS();
Name = fts.Name;
Description = fts.Description;
Fields = fts.Fields;
break;
case Segments.GOL:
GOL gol = new GOL();
Name = gol.Name;
Description = gol.Description;
Fields = gol.Fields;
break;
case Segments.GP1:
GP1 gp1 = new GP1();
Name = gp1.Name;
Description = gp1.Description;
Fields = gp1.Fields;
break;
case Segments.GP2:
GP2 gp2 = new GP2();
Name = gp2.Name;
Description = gp2.Description;
Fields = gp2.Fields;
break;
case Segments.GT1:
GT1 gt1 = new GT1();
Name = gt1.Name;
Description = gt1.Description;
Fields = gt1.Fields;
break;
case Segments.IAM:
IAM iam = new IAM();
Name = iam.Name;
Description = iam.Description;
Fields = iam.Fields;
break;
case Segments.IIM:
IIM iim = new IIM();
Name = iim.Name;
Description = iim.Description;
Fields = iim.Fields;
break;
case Segments.IN1:
IN1 in1 = new IN1();
Name = in1.Name;
Description = in1.Description;
Fields = in1.Fields;
break;
case Segments.IN2:
IN2 in2 = new IN2();
Name = in2.Name;
Description = in2.Description;
Fields = in2.Fields;
break;
case Segments.IN3:
IN3 in3 = new IN3();
Name = in3.Name;
Description = in3.Description;
Fields = in3.Fields;
break;
case Segments.INV:
INV inv = new INV();
Name = inv.Name;
Description = inv.Description;
Fields = inv.Fields;
break;
case Segments.IPC:
IPC ipc = new IPC();
Name = ipc.Name;
Description = ipc.Description;
Fields = ipc.Fields;
break;
case Segments.ISD:
ISD isd = new ISD();
Name = isd.Name;
Description = isd.Description;
Fields = isd.Fields;
break;
case Segments.LAN:
LAN lan = new LAN();
Name = lan.Name;
Description = lan.Description;
Fields = lan.Fields;
break;
case Segments.LCC:
LCC lcc = new LCC();
Name = lcc.Name;
Description = lcc.Description;
Fields = lcc.Fields;
break;
case Segments.LCH:
LCH lch = new LCH();
Name = lch.Name;
Description = lch.Description;
Fields = lch.Fields;
break;
case Segments.LDP:
LDP ldp = new LDP();
Name = ldp.Name;
Description = ldp.Description;
Fields = ldp.Fields;
break;
case Segments.LOC:
LOC loc = new LOC();
Name = loc.Name;
Description = loc.Description;
Fields = loc.Fields;
break;
case Segments.LRL:
LRL lrl = new LRL();
Name = lrl.Name;
Description = lrl.Description;
Fields = lrl.Fields;
break;
case Segments.MFA:
MFA mfa = new MFA();
Name = mfa.Name;
Description = mfa.Description;
Fields = mfa.Fields;
break;
case Segments.MFE:
MFE mfe = new MFE();
Name = mfe.Name;
Description = mfe.Description;
Fields = mfe.Fields;
break;
case Segments.MFI:
MFI mfi = new MFI();
Name = mfi.Name;
Description = mfi.Description;
Fields = mfi.Fields;
break;
case Segments.MRG:
MRG mrg = new MRG();
Name = mrg.Name;
Description = mrg.Description;
Fields = mrg.Fields;
break;
case Segments.MSA:
MSA msa = new MSA();
Name = msa.Name;
Description = msa.Description;
Fields = msa.Fields;
break;
case Segments.MSH:
MSH msh = new MSH();
Name = msh.Name;
Description = msh.Description;
Fields = msh.Fields;
break;
case Segments.NCK:
NCK nck = new NCK();
Name = nck.Name;
Description = nck.Description;
Fields = nck.Fields;
break;
case Segments.NDS:
NDS nds = new NDS();
Name = nds.Name;
Description = nds.Description;
Fields = nds.Fields;
break;
case Segments.NK1:
NK1 nk1 = new NK1();
Name = nk1.Name;
Description = nk1.Description;
Fields = nk1.Fields;
break;
case Segments.NPU:
NPU npu = new NPU();
Name = npu.Name;
Description = npu.Description;
Fields = npu.Fields;
break;
case Segments.NSC:
NSC nsc = new NSC();
Name = nsc.Name;
Description = nsc.Description;
Fields = nsc.Fields;
break;
case Segments.NST:
NST nst = new NST();
Name = nst.Name;
Description = nst.Description;
Fields = nst.Fields;
break;
case Segments.NTE:
NTE nte = new NTE();
Name = nte.Name;
Description = nte.Description;
Fields = nte.Fields;
break;
case Segments.OBR:
OBR obr = new OBR();
Name = obr.Name;
Description = obr.Description;
Fields = obr.Fields;
break;
case Segments.OBX:
OBX obx = new OBX();
Name = obx.Name;
Description = obx.Description;
Fields = obx.Fields;
break;
case Segments.ODS:
ODS ods = new ODS();
Name = ods.Name;
Description = ods.Description;
Fields = ods.Fields;
break;
case Segments.ODT:
ODT odt = new ODT();
Name = odt.Name;
Description = odt.Description;
Fields = odt.Fields;
break;
case Segments.OM1:
OM1 om1 = new OM1();
Name = om1.Name;
Description = om1.Description;
Fields = om1.Fields;
break;
case Segments.OM2:
OM2 om2 = new OM2();
Name = om2.Name;
Description = om2.Description;
Fields = om2.Fields;
break;
case Segments.OM3:
OM3 om3 = new OM3();
Name = om3.Name;
Description = om3.Description;
Fields = om3.Fields;
break;
case Segments.OM4:
OM4 om4 = new OM4();
Name = om4.Name;
Description = om4.Description;
Fields = om4.Fields;
break;
case Segments.OM5:
OM5 om5 = new OM5();
Name = om5.Name;
Description = om5.Description;
Fields = om5.Fields;
break;
case Segments.OM6:
OM6 om6 = new OM6();
Name = om6.Name;
Description = om6.Description;
Fields = om6.Fields;
break;
case Segments.OM7:
OM7 om7 = new OM7();
Name = om7.Name;
Description = om7.Description;
Fields = om7.Fields;
break;
case Segments.ORC:
ORC orc = new ORC();
Name = orc.Name;
Description = orc.Description;
Fields = orc.Fields;
break;
case Segments.ORG:
ORG org = new ORG();
Name = org.Name;
Description = org.Description;
Fields = org.Fields;
break;
case Segments.OVR:
OVR ovr = new OVR();
Name = ovr.Name;
Description = ovr.Description;
Fields = ovr.Fields;
break;
case Segments.PCR:
PCR pcr = new PCR();
Name = pcr.Name;
Description = pcr.Description;
Fields = pcr.Fields;
break;
case Segments.PD1:
PD1 pd1 = new PD1();
Name = pd1.Name;
Description = pd1.Description;
Fields = pd1.Fields;
break;
case Segments.PDA:
PDA pda = new PDA();
Name = pda.Name;
Description = pda.Description;
Fields = pda.Fields;
break;
case Segments.PDC:
PDC pdc = new PDC();
Name = pdc.Name;
Description = pdc.Description;
Fields = pdc.Fields;
break;
case Segments.PEO:
PEO peo = new PEO();
Name = peo.Name;
Description = peo.Description;
Fields = peo.Fields;
break;
case Segments.PES:
PES pes = new PES();
Name = pes.Name;
Description = pes.Description;
Fields = pes.Fields;
break;
case Segments.PID:
PID pid = new PID();
Name = pid.Name;
Description = pid.Description;
Fields = pid.Fields;
break;
case Segments.PR1:
PR1 pr1 = new PR1();
Name = pr1.Name;
Description = pr1.Description;
Fields = pr1.Fields;
break;
case Segments.PRA:
PRA pra = new PRA();
Name = pra.Name;
Description = pra.Description;
Fields = pra.Fields;
break;
case Segments.PRB:
PRB prb = new PRB();
Name = prb.Name;
Description = prb.Description;
Fields = prb.Fields;
break;
case Segments.PRC:
PRC prc = new PRC();
Name = prc.Name;
Description = prc.Description;
Fields = prc.Fields;
break;
case Segments.PRD:
PRD prd = new PRD();
Name = prd.Name;
Description = prd.Description;
Fields = prd.Fields;
break;
case Segments.PSH:
PSH psh = new PSH();
Name = psh.Name;
Description = psh.Description;
Fields = psh.Fields;
break;
case Segments.PTH:
PTH pth = new PTH();
Name = pth.Name;
Description = pth.Description;
Fields = pth.Fields;
break;
case Segments.PV1:
PV1 pv1 = new PV1();
Name = pv1.Name;
Description = pv1.Description;
Fields = pv1.Fields;
break;
case Segments.PV2:
PV2 pv2 = new PV2();
Name = pv2.Name;
Description = pv2.Description;
Fields = pv2.Fields;
break;
case Segments.QAK:
QAK qak = new QAK();
Name = qak.Name;
Description = qak.Description;
Fields = qak.Fields;
break;
case Segments.QID:
QID qid = new QID();
Name = qid.Name;
Description = qid.Description;
Fields = qid.Fields;
break;
case Segments.QPD:
QPD qpd = new QPD();
Name = qpd.Name;
Description = qpd.Description;
Fields = qpd.Fields;
break;
case Segments.QRD:
QRD qrd = new QRD();
Name = qrd.Name;
Description = qrd.Description;
Fields = qrd.Fields;
break;
case Segments.QRF:
QRF qrf = new QRF();
Name = qrf.Name;
Description = qrf.Description;
Fields = qrf.Fields;
break;
case Segments.QRI:
QRI qri = new QRI();
Name = qri.Name;
Description = qri.Description;
Fields = qri.Fields;
break;
case Segments.RCP:
RCP rcp = new RCP();
Name = rcp.Name;
Description = rcp.Description;
Fields = rcp.Fields;
break;
case Segments.RDF:
RDF rdf = new RDF();
Name = rdf.Name;
Description = rdf.Description;
Fields = rdf.Fields;
break;
case Segments.RF1:
RF1 rf1 = new RF1();
Name = rf1.Name;
Description = rf1.Description;
Fields = rf1.Fields;
break;
case Segments.RGS:
RGS rgs = new RGS();
Name = rgs.Name;
Description = rgs.Description;
Fields = rgs.Fields;
break;
case Segments.RMI:
RMI rmi = new RMI();
Name = rmi.Name;
Description = rmi.Description;
Fields = rmi.Fields;
break;
case Segments.ROL:
ROL rol = new ROL();
Name = rol.Name;
Description = rol.Description;
Fields = rol.Fields;
break;
case Segments.RQ1:
RQ1 rq1 = new RQ1();
Name = rq1.Name;
Description = rq1.Description;
Fields = rq1.Fields;
break;
case Segments.RQD:
RQD rqd = new RQD();
Name = rqd.Name;
Description = rqd.Description;
Fields = rqd.Fields;
break;
case Segments.RXA:
RXA rxa = new RXA();
Name = rxa.Name;
Description = rxa.Description;
Fields = rxa.Fields;
break;
case Segments.RXC:
RXC rxc = new RXC();
Name = rxc.Name;
Description = rxc.Description;
Fields = rxc.Fields;
break;
case Segments.RXD:
RXD rxd = new RXD();
Name = rxd.Name;
Description = rxd.Description;
Fields = rxd.Fields;
break;
case Segments.RXE:
RXE rxe = new RXE();
Name = rxe.Name;
Description = rxe.Description;
Fields = rxe.Fields;
break;
case Segments.RXG:
RXG rxg = new RXG();
Name = rxg.Name;
Description = rxg.Description;
Fields = rxg.Fields;
break;
case Segments.RXO:
RXO rxo = new RXO();
Name = rxo.Name;
Description = rxo.Description;
Fields = rxo.Fields;
break;
case Segments.RXR:
RXR rxr = new RXR();
Name = rxr.Name;
Description = rxr.Description;
Fields = rxr.Fields;
break;
case Segments.SAC:
SAC sac = new SAC();
Name = sac.Name;
Description = sac.Description;
Fields = sac.Fields;
break;
case Segments.SCH:
SCH sch = new SCH();
Name = sch.Name;
Description = sch.Description;
Fields = sch.Fields;
break;
case Segments.SFT:
SFT sft = new SFT();
Name = sft.Name;
Description = sft.Description;
Fields = sft.Fields;
break;
case Segments.SID:
SID sid = new SID();
Name = sid.Name;
Description = sid.Description;
Fields = sid.Fields;
break;
case Segments.SPM:
SPM spm = new SPM();
Name = spm.Name;
Description = spm.Description;
Fields = spm.Fields;
break;
case Segments.SPR:
SPR spr = new SPR();
Name = spr.Name;
Description = spr.Description;
Fields = spr.Fields;
break;
case Segments.STF:
STF stf = new STF();
Name = stf.Name;
Description = stf.Description;
Fields = stf.Fields;
break;
case Segments.TCC:
TCC tcc = new TCC();
Name = tcc.Name;
Description = tcc.Description;
Fields = tcc.Fields;
break;
case Segments.TCD:
TCD tcd = new TCD();
Name = tcd.Name;
Description = tcd.Description;
Fields = tcd.Fields;
break;
case Segments.TQ1:
TQ1 tq1 = new TQ1();
Name = tq1.Name;
Description = tq1.Description;
Fields = tq1.Fields;
break;
case Segments.TQ2:
TQ2 tq2 = new TQ2();
Name = tq2.Name;
Description = tq2.Description;
Fields = tq2.Fields;
break;
case Segments.TXA:
TXA txa = new TXA();
Name = txa.Name;
Description = txa.Description;
Fields = txa.Fields;
break;
case Segments.UB1:
UB1 ub1 = new UB1();
Name = ub1.Name;
Description = ub1.Description;
Fields = ub1.Fields;
break;
case Segments.UB2:
UB2 ub2 = new UB2();
Name = ub2.Name;
Description = ub2.Description;
Fields = ub2.Fields;
break;
case Segments.URD:
URD urd = new URD();
Name = urd.Name;
Description = urd.Description;
Fields = urd.Fields;
break;
case Segments.URS:
URS urs = new URS();
Name = urs.Name;
Description = urs.Description;
Fields = urs.Fields;
break;
case Segments.VAR:
VAR var = new VAR();
Name = var.Name;
Description = var.Description;
Fields = var.Fields;
break;
case Segments.VTQ:
VTQ vtq = new VTQ();
Name = vtq.Name;
Description = vtq.Description;
Fields = vtq.Fields;
break;
}
}
///<summary>
///Removes the given LAN
///</summary>
public void RemoveLAN(LAN toRemove)
{
this.RemoveStructure("LAN", toRemove);
}
private static void RecieveCallback(IAsyncResult ar)
{
// Attempt to read from socket
try
{
// Get State object
StateObject state = (StateObject)ar.AsyncState;
// Retrieve underlying socket
Socket client = state.workSocket;
// Read bytes
int bytesRead = client.EndReceive(ar);
// If some data was read
if (bytesRead > 0)
{
// Store data recieved so far
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
// Get rest of data
// Continue to call RecieveCallback until complete
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(RecieveCallback), state);
}
// No data read. All data received.
else
{
// If the buffer contains data
if (state.sb.Length > 1)
{
// Get content
string content = state.sb.ToString();
// If debugging
if (isDebug)
{
// End string. Write to console
WriteGUI("Read " + content.Length +
" bytes from socket. \n Data: " + content);
}
// Convert to messages
string[] messages = LAN.SockToMessage(state.sb.ToString());
// If not empty, receive messages
if (messages.Length != 0 && messages != null)
{
Server.ToReceiveIn(messages);
}
}
// Signal done
receiveDone.Set();
}
}
// Exception receiving data
catch (Exception e)
{
// Write to console
WriteGUI(e.ToString());
}
}
/// <summary>
/// Join a server
/// </summary>
protected static void Join()
{
_isExit = false;
while (!_isServer)
{
// Get Local IP Address
sLocalIP = GetLocalIP();
// Loop till name accepted
while (!_isJoined)
{
// Attempt to connect to remove device
try
{
// Get username
name = GetName();
// Establish connection to socket
IPHostEntry ipHostInfo = Dns.GetHostEntry(sLocalIP);
// Get Address
IPAddress ipAddress = LAN.GetLocal(ipHostInfo);
// Get remote endpoint (Ipaddress and port)
remoteEP = new IPEndPoint(ipAddress, Values.IntroPort);
// Create TCP/IP socket
client = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Reset connection
connectdone.Reset();
// Connect to remove endpoint
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
// Lock thread until connected
connectdone.WaitOne();
// If invalid server
if (!_isServer)
{
// Stop attempting connection
// Request new IP
break;
}
// Request to joint server
string joinRequest = Strings.command_Join + " " + name;
// Send to remote device
Server.ToSendIn(joinRequest);
Send(client);
// Lock thread until sent
sendDone.WaitOne();
// Recieve response from remote device
// Create state object
StateObject state = new StateObject();
// Assign socket
state.workSocket = client;
// Begin recieving data from remote device
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(RecieveCallback), state);
// Lcck thread until data received
receiveDone.WaitOne();
// Wait for server queue to be processed
processServerDone.WaitOne(Values.serverPollDead);
// Handle response
if (_isJoined)
{
// Write Response
WriteGUI(name + " accepted to chat.");
}
else
{
// Write rejected
WriteGUI(name + " rejected.");
// retry join connection loop
}
}
catch (SocketException e)
{
// Alert user
WriteGUI("Cannot connect to server at: " + sLocalIP);
WriteGUI(e.ToString());
// Is not a valid server
_isServer = false;
// Break
break;
}
catch (Exception e)
{
// Write to console
WriteGUI(e.ToString());
}
}
}
}
/// <summary>
/// Start listening
/// </summary>
public static void StartListening()
{
// Data buffer
byte[] bytes = new Byte[1024];
// Establish local endpoint for socket
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
// Declare IP Address
IPAddress ipAddress = LAN.GetLocal(ipHostInfo);
// Write IP Address
WriteGUI("Connecting to: " + ipAddress.ToString());
// Create end-point
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, Values.IntroPort);
// Create socket
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
// Bind socket to end-point and listen for incoming connection
try
{
// Bind to end-point
listener.Bind(localEndPoint);
// Listen for
listener.Listen(100);
// Open socket. Wait for connection
WriteGUI("Waiting for a connection . . .");
// While is alive
while (!isExit)
{
// Reeset connection
allDone.Reset();
// Accept connection
listener.BeginAccept(
new AsyncCallback(AcceptCallback),
listener);
// Lock thread till timeout.
// Poll dead connection
if (!allDone.WaitOne(Values.serverPollDead))
{
// Check dead connection to client for more than a second
bool deadConnection = listener.Poll(1000, SelectMode.SelectRead);
// Check no data read
bool noData = (listener.Available == 0);
// If both, ungracefull disconnect
if (deadConnection && noData)
{
// Write to server
WriteGUI("Dead connection at.");
// Retry
continue;
}
}
}
}
// If exception
catch (ArgumentNullException e)
{
// Write to console
WriteGUI(e.ToString());
}
catch (SocketException)
{
WriteGUI(String.Format("Cannot connect to: {0}:{1}", ipAddress, Values.IntroPort));
}
// Write server closed
WriteGUI("\nServer closed.");
// Write press enter to close
WriteGUI("\nPress ENTER to close application. . . .");
ReadLine();
}
/// <summary>
/// Read from client
/// </summary>
/// <param name="ar">Socket</param>
public static void ReadCallback(IAsyncResult ar)
{
// Initialize content to empty
String content = String.Empty;
// Get State Object
StateObject state = (StateObject)ar.AsyncState;
// Get socket
Socket handler = state.workSocket;
// Get endpoint ip
string remoteIP = (handler.RemoteEndPoint as IPEndPoint).Address.ToString();
// Get bytes received
int bytesRead = handler.EndReceive(ar);
// If bytes read
if (bytesRead > 0)
{
// Store bytes received
state.sb.Append(Encoding.ASCII.GetString(
state.buffer, 0, bytesRead));
// Get string so far
content = state.sb.ToString();
// If contains eof tag
if (content.IndexOf(Strings.command_EOF) > -1)
{
// If debugging
if (isDebug)
{
// End string. Write to console
WriteGUI("Read " + content.Length +
" bytes from socket. \n Data: " + content);
}
// Convert to messages
string[] messages = LAN.SockToMessage(content);
// If client
bool isClient = false;
// Cycle through clients
foreach (User client in clients)
{
// Check IPAddress
if (client.address == remoteIP)
{
// Is client
isClient = true;
// Reset process client
processClientDone.Reset();
// Receive messages
client.ToReceiveIn(messages);
// Wait to process client
processClientDone.WaitOne();
// Send pending messages
Send(handler,
LAN.MessageToSock(client.ToSendGetMessages()));
// Break
break;
}
}
// If not a client
if (!isClient)
{
// If join
if (messages[0].StartsWith(Strings.command_Join))
{
// Get name
string name = messages[0].Substring(Strings.command_Join.Length);
// Remove initial and end spaces
name = name.Trim();
// if name is unique
bool isUnique = true;
// Check name against other client names
// Cycle through clients
foreach (User client in clients)
{
// If similar name
if (name.ToLower() == client.name.ToLower())
{
// Is not a unique name
isUnique = false;
}
}
// If unique name
if (isUnique)
{
// Create user
User client = NewClient(name, remoteIP);
// Echo data with keys
Send(handler, LAN.MessageToSock(messages[0]));
// Alert user joined
WriteAll(name + " has joined the chat from: " + remoteIP);
// Write to server
WriteGUI("Requesting encryption.");
// Request encryption
WriteUser(ref client, Strings.command_Encrypt);
// Add to clients
clients.Add(client);
}
// Else similar name
else
{
// Write to server
WriteGUI(remoteIP +
" attempted to join with similar name: " +
name);
// Request new name
Send(handler, Strings.command_EOF);
}
}
}
}
else
{
// Continue to read
handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReadCallback), state);
}
}
}
