bool C4TableGraph::DumpToFile(const StdStrBuf &rszFilename,
bool fAppend) const {
assert(!!rszFilename);
// nothing to write?
if (!fWrapped && !iBackLogPos) return false;
// try append if desired; create if unsuccessful
CStdFile out;
if (fAppend)
if (!out.Append(rszFilename.getData())) fAppend = false;
if (!fAppend) {
if (!out.Create(rszFilename.getData())) return false;
// print header
out.WriteString("t\tv\n\r");
}
// write out current timeframe
int iEndTime = GetEndTime();
StdStrBuf buf;
for (int iWriteTime = GetStartTime(); iWriteTime < iEndTime; ++iWriteTime) {
buf.Format("%d\t%d\n\r", (int)iWriteTime, (int)GetValue(iWriteTime));
out.WriteString(buf.getData());
}
return true;
}
bool C4UpdateDlg::ApplyUpdate(const char *strUpdateFile, bool fDeleteUpdate, C4GUI::Screen *pScreen)
{
// Apply update: If the update file is a .ocu, it will extract c4group and apply the update.
// If the update file is an installer, it will just launch that installer.
StdStrBuf strUpdateProgEx, strUpdateArgs;
bool fIsGroupUpdate = SEqualNoCase(GetExtension(strUpdateFile), C4CFN_UpdateGroupExtension+1);
// Is this an update executable or an update group?
if (fIsGroupUpdate)
{
// This is an update group (.ocu). Extract c4group and run it.
// Find a place to extract the update
Config.MakeTempUpdateFolder();
// Determine name of update program
StdStrBuf strUpdateProg;
strUpdateProg.Copy(C4CFN_UpdateProgram);
// Windows: manually append extension because ExtractEntry() cannot properly glob and Extract() doesn't return failure values
#ifdef _WIN32
strUpdateProg += ".exe";
#endif
// Determine name of local extract of update program
strUpdateProgEx.Copy(Config.AtTempUpdatePath(strUpdateProg.getData()));
// Extract update program (the update should be applied using the new version)
C4Group UpdateGroup;
if (!UpdateGroup.Open(strUpdateFile))
{
LogF("Error opening \"%s\": %s", strUpdateFile, UpdateGroup.GetError());
return false;
}
// Look for update program at top level
if (!UpdateGroup.ExtractEntry(strUpdateProg.getData(), strUpdateProgEx.getData()))
{
LogF("Error extracting \"%s\": %s", strUpdateProg.getData(), UpdateGroup.GetError());
return false;
}
// Extract any needed library files
UpdateGroup.Extract(C4CFN_UpdateProgramLibs, Config.AtTempUpdatePath(""), C4CFN_UpdateProgram);
UpdateGroup.Close();
#ifdef _WIN32
// Notice: even if the update program and update group are in the temp path, they must be executed in our working directory
DWORD ProcessID = GetCurrentProcessId();
//strUpdateArgs.Format("\"%s\" \"%s\" %s %lu", strUpdateProgEx.getData(), strUpdateFile, fDeleteUpdate ? "-yd" : "-y", (unsigned long)ProcessID);
strUpdateArgs.Format("\"%s\" %s %lu", strUpdateFile, fDeleteUpdate ? "-yd" : "-y", (unsigned long)ProcessID);
#if 0 // debug code to reroute updating via batch file
CStdFile f; - reroute via vi
f.Create(Config.AtTempUpdatePath("update.bat"));
f.WriteString(FormatString("%s %s\npause\n", strUpdateProgEx.getData(), strUpdateArgs.getData()).getData());
f.Close();
strUpdateProgEx.Copy(Config.AtTempUpdatePath("update.bat"));
strUpdateArgs.Copy(strUpdateProgEx);
#endif
#endif
}
else
{
// This "update" is actually an installer. Just run it.
strUpdateProgEx = strUpdateFile;
strUpdateArgs = "";
// if group was downloaded to temp path, delete it from there
if (fDeleteUpdate) SCopy(strUpdateProgEx.getData(), Config.General.TempUpdatePath, CFG_MaxString);
}
// Execute update program
Log(LoadResStr("IDS_PRC_LAUNCHINGUPDATE"));
succeeded = true;
#ifdef _WIN32
// Notice: even if the update program and update group are in the temp path, they must be executed in our working directory
// the magic verb "runas" opens the update program in a shell requesting elevation
int iError = (intptr_t)ShellExecute(NULL, L"runas", strUpdateProgEx.GetWideChar(), strUpdateArgs.GetWideChar(), Config.General.ExePath.GetWideChar(), SW_SHOW);
if (iError <= 32) return false;
// must quit ourselves for update program to work
if (succeeded) Application.Quit();
#else
if (pipe(c4group_output) == -1)
{
Log("Error creating pipe");
return false;
}
switch (pid = fork())
{
// Error
case -1:
Log("Error creating update child process.");
return false;
// Child process
case 0:
// Close unused read end
close(c4group_output[0]);
// redirect stdout and stderr to the parent
dup2(c4group_output[1], STDOUT_FILENO);
dup2(c4group_output[1], STDERR_FILENO);
if (c4group_output[1] != STDOUT_FILENO && c4group_output[1] != STDERR_FILENO)
close(c4group_output[1]);
if (fIsGroupUpdate)
execl(C4CFN_UpdateProgram, C4CFN_UpdateProgram, "-v", strUpdateFile, (fDeleteUpdate ? "-yd" : "-y"), static_cast<char *>(0));
else
execl(strUpdateFile, strUpdateFile, static_cast<char *>(0));
printf("execl failed: %s\n", strerror(errno));
exit(1);
// Parent process
default:
// Close unused write end
close(c4group_output[1]);
// disable blocking
fcntl(c4group_output[0], F_SETFL, O_NONBLOCK);
// Open the update log dialog (this will update itself automatically from c4group_output)
pScreen->ShowRemoveDlg(new C4UpdateDlg());
break;
}
#endif
// done
return succeeded;
}