public ProcFDTable Fork(int newpid)
{
ProcFDTable other = new ProcFDTable(newpid);
foreach (var item in curFiles)
other.curFiles[item.Key] = item.Value;
return other;
}
static IOItem ProceedLineInTry(int pid, string line)
{
int eqPos = line.LastIndexOf(" = ");
if (eqPos == -1)
return null;
string retstring = line.Substring(eqPos + 3).Split(' ')[0];
long ret;
if (retstring == "?")
return null;
ret = retstring.ParseHexLong();
if (ret < 0)
return null;
int leftBracketPos = line.IndexOf('(');
int rightBracketPos = line.LastIndexOf(')', eqPos);
int beforeCmdSpace = line.LastIndexOf(' ', leftBracketPos);
string cmd = line.Substring(beforeCmdSpace + 1, leftBracketPos - beforeCmdSpace - 1);
string args = line.Substring(leftBracketPos + 1, rightBracketPos - leftBracketPos - 1);
ProcFDTable table;
if (!fdTables.TryGetValue(pid, out table))
{
table = new ProcFDTable(pid);
fdTables[pid] = table;
}
switch (cmd)
{
case "fork":
case "vfork":
case "clone": fdTables[(int)ret] = table.Fork((int)ret); return null;
case "dup":
case "dup2": return table.OnDup(args, ret);
case "open":
case "creat": return table.OnOpen(args, ret);
case "mmap": return table.OnMmap(1, args);
case "mmap2": return table.OnMmap((int)Config.PageSize, args);
case "mremap":
case "msync":
case "munmap": return null;
case "read": return table.OnReadWrite(AccessRoutine.Read, args, ret);
case "readv": return table.OnReadWrite(AccessRoutine.Readv, args, ret);
case "pread": return table.OnReadWrite(AccessRoutine.Pread, args, ret);
case "write": return table.OnReadWrite(AccessRoutine.Write, args, ret);
case "writev": return table.OnReadWrite(AccessRoutine.Writev, args, ret);
case "pwrite": return table.OnReadWrite(AccessRoutine.Pwrite, args, ret);
case "accept": return table.OnAccept(args, ret);
case "close": return table.OnClose(args);
case "fcntl": return table.OnFcntl(args, ret);
case "lseek": return table.OnLSeek(args, ret);
case "_llseek": return table.OnLLSeek(args);
case "pipe": return table.OnPipe(args);
case "socket": return table.OnSocket(args, ret);
default: return null;
}
}
