private void button_OK_Click(object sender, EventArgs e)
{
string strError = "";
if (this.listView_index.SelectedItems.Count == 0)
{
strError = "尚未选定日志记录";
goto ERROR1;
}
IndexInfo info = (IndexInfo)this.listView_index.SelectedItems[0].Tag;
string strLogFilename = this.textBox_logFilename.Text;
try
{
using (Stream stream = File.OpenRead(strLogFilename))
{
if (info.Offs > stream.Length)
{
strError = "info.Offs " + info.Offs.ToString() + " > stream.Length " + stream.Length.ToString();
goto ERROR1;
}
stream.Seek(info.Offs, SeekOrigin.Begin);
this.Package = new byte[info.Length];
int nRet = stream.Read(this.Package, 0, (int)info.Length);
}
}
catch (Exception ex)
{
strError = "read file '" + strLogFilename + "' error: " + ex.Message;
goto ERROR1;
}
this.DialogResult = DialogResult.OK;
this.Close();
return;
ERROR1:
MessageBox.Show(this, strError);
}
// 装载通讯包日志文件的记录索引
int LoadIndex(
ListView list,
string strLogFilename,
out string strError)
{
strError = "";
Stream stream = null;
try
{
stream = File.OpenRead(strLogFilename);
}
catch (Exception ex)
{
strError = "file '" + strLogFilename + "'open error: " + ex.Message;
return(-1);
}
try
{
list.Items.Clear();
for (long i = 0; ; i++)
{
byte[] len_buffer = new byte[8];
int nRet = stream.Read(len_buffer, 0, 8);
if (nRet == 0)
{
break;
}
if (nRet != 8)
{
strError = "file format error";
return(-1);
}
long length = BitConverter.ToInt64(len_buffer, 0);
if (length == -1)
{
// 出现了一个未收尾的事项
// 把文件最后都算作它的内容
length = stream.Length - stream.Position;
}
IndexInfo info = new IndexInfo();
info.index = i;
ListViewItem item = new ListViewItem();
if (length == 0)
{
// 特殊处理
item.Text = i.ToString();
item.ImageIndex = 0;
item.Tag = info;
list.Items.Add(item);
continue;
}
int direction = stream.ReadByte();
long lStartOffs = stream.Position;
length--; // 这是内容长度
item.Text = i.ToString();
// 方向'
string strDirection = "";
int nImageIndex = 0;
if (direction == 0)
{
strDirection = "none";
nImageIndex = 0;
}
else if (direction == 1)
{
strDirection = "client";
nImageIndex = 1;
}
else if (direction == 2)
{
strDirection = "server";
nImageIndex = 2;
}
else
{
strDirection = "error direction value: " + ((int)direction).ToString();
nImageIndex = 0;
}
item.Text += " " + strDirection;
item.Text += " len:" + length.ToString();
item.Text += " offs:" + lStartOffs.ToString();
item.ImageIndex = nImageIndex;
info.Offs = lStartOffs;
info.Length = length;
item.Tag = info;
list.Items.Add(item);
if (length >= 100 * 1024)
{
stream.Seek(length, SeekOrigin.Current);
info.BerTree = null;
}
else
{
byte[] baPackage = new byte[(int)length];
stream.Read(baPackage, 0, (int)length);
}
}
}
finally
{
stream.Close();
}
return(0);
}
// 装载记录索引
int LoadIndex(string strLogFilename,
out string strError)
{
strError = "";
Stream stream = null;
try
{
stream = File.OpenRead(strLogFilename);
}
catch (Exception ex)
{
strError = "file '" + strLogFilename + "'open error: " + ex.Message;
return(-1);
}
try
{
this.treeView_ber.Nodes.Clear();
for (long i = 0; ; i++)
{
byte[] len_buffer = new byte[8];
int nRet = stream.Read(len_buffer, 0, 8);
if (nRet == 0)
{
break;
}
if (nRet != 8)
{
strError = "file format error";
return(-1);
}
long length = BitConverter.ToInt64(len_buffer, 0);
if (length == -1)
{
// 出现了一个未收尾的事项
// 把文件最后都算作它的内容
length = stream.Length - stream.Position;
}
IndexInfo info = new IndexInfo();
info.index = i;
TreeNode node = new TreeNode();
if (length == 0)
{
// 特殊处理
node.Text = i.ToString();
node.ImageIndex = 0;
node.Tag = info;
this.treeView_ber.Nodes.Add(node);
continue;
}
int direction = stream.ReadByte();
long lStartOffs = stream.Position;
length--; // 这是内容长度
node.Text = i.ToString();
// 方向'
string strDirection = "";
int nImageIndex = 0;
if (direction == 0)
{
strDirection = "none";
nImageIndex = 0;
}
else if (direction == 1)
{
strDirection = "client";
nImageIndex = 1;
}
else if (direction == 2)
{
strDirection = "server";
nImageIndex = 2;
}
else
{
strDirection = "error direction value: " + ((int)direction).ToString();
nImageIndex = 0;
}
node.Text += " " + strDirection;
node.Text += " len:" + length.ToString();
node.Text += " offs:" + lStartOffs.ToString();
node.ImageIndex = nImageIndex;
info.Offs = lStartOffs;
info.Length = length;
node.Tag = info;
this.treeView_ber.Nodes.Add(node);
if (length >= 100 * 1024)
{
stream.Seek(length, SeekOrigin.Current);
info.BerTree = null;
}
else
{
byte [] baPackage = new byte[(int)length];
stream.Read(baPackage, 0, (int)length);
int nParseStart = 0;
for (int j = 0; ; j++)
{
BerTree tree = new BerTree();
int nTotlen = 0;
tree.m_RootNode.BuildPartTree(baPackage,
nParseStart,
baPackage.Length,
out nTotlen);
if (j == 0)
{
TreeNode newnode = new TreeNode();
node.Nodes.Add(newnode);
FillNodeAndChildren(newnode, tree.m_RootNode.ChildrenCollection[0]);
}
else
{
TreeNode newnode = new TreeNode();
node.Nodes.Add(newnode);
FillNodeAndChildren(newnode, tree.m_RootNode.ChildrenCollection[0]);
}
nParseStart += nTotlen;
if (nParseStart >= baPackage.Length)
{
break;
}
}
}
}
}
finally
{
stream.Close();
}
return(0);
}
private void treeView_ber_AfterSelect(object sender,
TreeViewEventArgs e)
{
string strError = "";
TreeNode node = this.treeView_ber.SelectedNode;
if (node == null)
{
SetRightBlank();
return;
}
TreeNode topnode = null;
if (node.Parent != null)
{
topnode = node;
while (topnode.Parent != null)
{
topnode = topnode.Parent;
}
}
else
{
topnode = node;
}
{
IndexInfo info = (IndexInfo)topnode.Tag;
Debug.Assert(info != null, "");
if (info.Length == -1 || info.Offs == -1)
{
SetRightBlank();
return;
}
string strLogFilename = this.textBox_logFilename.Text;
try
{
using (Stream stream = File.OpenRead(strLogFilename))
{
if (info.Offs != this.CurrentRightStartOffs)
{
this.binaryEditor_onePackage.SetData(stream, info.Offs, info.Length);
this.CurrentRightStartOffs = info.Offs;
}
}
}
catch (Exception ex)
{
strError = "file '" + strLogFilename + "'open error: " + ex.Message;
goto ERROR1;
}
}
return;
ERROR1:
MessageBox.Show(this, strError);
}
// 装载通讯包日志文件的记录索引
int LoadIndex(
ListView list,
string strLogFilename,
out string strError)
{
strError = "";
Stream stream = null;
try
{
stream = File.OpenRead(strLogFilename);
}
catch (Exception ex)
{
strError = "file '" + strLogFilename + "'open error: " + ex.Message;
return -1;
}
try
{
list.Items.Clear();
for (long i = 0; ; i++)
{
byte[] len_buffer = new byte[8];
int nRet = stream.Read(len_buffer, 0, 8);
if (nRet == 0)
break;
if (nRet != 8)
{
strError = "file format error";
return -1;
}
long length = BitConverter.ToInt64(len_buffer, 0);
if (length == -1)
{
// 出现了一个未收尾的事项
// 把文件最后都算作它的内容
length = stream.Length - stream.Position;
}
IndexInfo info = new IndexInfo();
info.index = i;
ListViewItem item = new ListViewItem();
if (length == 0)
{
// 特殊处理
item.Text = i.ToString();
item.ImageIndex = 0;
item.Tag = info;
list.Items.Add(item);
continue;
}
int direction = stream.ReadByte();
long lStartOffs = stream.Position;
length--; // 这是内容长度
item.Text = i.ToString();
// 方向'
string strDirection = "";
int nImageIndex = 0;
if (direction == 0)
{
strDirection = "none";
nImageIndex = 0;
}
else if (direction == 1)
{
strDirection = "client";
nImageIndex = 1;
}
else if (direction == 2)
{
strDirection = "server";
nImageIndex = 2;
}
else
{
strDirection = "error direction value: " + ((int)direction).ToString();
nImageIndex = 0;
}
item.Text += " " + strDirection;
item.Text += " len:" + length.ToString();
item.Text += " offs:" + lStartOffs.ToString();
item.ImageIndex = nImageIndex;
info.Offs = lStartOffs;
info.Length = length;
item.Tag = info;
list.Items.Add(item);
if (length >= 100 * 1024)
{
stream.Seek(length, SeekOrigin.Current);
info.BerTree = null;
}
else
{
byte[] baPackage = new byte[(int)length];
stream.Read(baPackage, 0, (int)length);
}
}
}
finally
{
stream.Close();
}
return 0;
}
// 装载记录索引
int LoadIndex(string strLogFilename,
out string strError)
{
strError = "";
Stream stream = null;
try
{
stream = File.OpenRead(strLogFilename);
}
catch (Exception ex)
{
strError = "file '" + strLogFilename + "'open error: " + ex.Message;
return -1;
}
try
{
this.treeView_ber.Nodes.Clear();
for (long i = 0; ; i++)
{
byte[] len_buffer = new byte[8];
int nRet = stream.Read(len_buffer, 0, 8);
if (nRet == 0)
break;
if (nRet != 8)
{
strError = "file format error";
return -1;
}
long length = BitConverter.ToInt64(len_buffer, 0);
if (length == -1)
{
// 出现了一个未收尾的事项
// 把文件最后都算作它的内容
length = stream.Length - stream.Position;
}
IndexInfo info = new IndexInfo();
info.index = i;
TreeNode node = new TreeNode();
if (length == 0)
{
// 特殊处理
node.Text = i.ToString();
node.ImageIndex = 0;
node.Tag = info;
this.treeView_ber.Nodes.Add(node);
continue;
}
int direction = stream.ReadByte();
long lStartOffs = stream.Position;
length--; // 这是内容长度
node.Text = i.ToString();
// 方向'
string strDirection = "";
int nImageIndex = 0;
if (direction == 0)
{
strDirection = "none";
nImageIndex = 0;
}
else if (direction == 1)
{
strDirection = "client";
nImageIndex = 1;
}
else if (direction == 2)
{
strDirection = "server";
nImageIndex = 2;
}
else
{
strDirection = "error direction value: " + ((int)direction).ToString();
nImageIndex = 0;
}
node.Text += " " + strDirection;
node.Text += " len:" + length.ToString();
node.Text += " offs:" + lStartOffs.ToString();
node.ImageIndex = nImageIndex;
info.Offs = lStartOffs;
info.Length = length;
node.Tag = info;
this.treeView_ber.Nodes.Add(node);
if (length >= 100*1024)
{
stream.Seek(length, SeekOrigin.Current);
info.BerTree = null;
}
else {
byte [] baPackage = new byte[(int)length];
stream.Read(baPackage, 0, (int)length);
int nParseStart = 0;
for (int j=0; ;j++ )
{
BerTree tree = new BerTree();
int nTotlen = 0;
tree.m_RootNode.BuildPartTree(baPackage,
nParseStart,
baPackage.Length,
out nTotlen);
if (j == 0)
{
TreeNode newnode = new TreeNode();
node.Nodes.Add(newnode);
FillNodeAndChildren(newnode, tree.m_RootNode.ChildrenCollection[0]);
}
else
{
TreeNode newnode = new TreeNode();
node.Nodes.Add(newnode);
FillNodeAndChildren(newnode, tree.m_RootNode.ChildrenCollection[0]);
}
nParseStart += nTotlen;
if (nParseStart >= baPackage.Length)
break;
}
}
}
}
finally
{
stream.Close();
}
return 0;
}
