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Fixed: Implements launchProgramAndWaitForResult to launch a command synchronously

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This commit is contained in:
kervala 2016-01-02 19:14:13 +01:00
parent e521a2475f
commit 926669a2f5
2 changed files with 88 additions and 0 deletions
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4
code/nel/include/nel/misc/common.h
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@ -349,6 +349,10 @@ std::string formatThousands(const std::string& s);
/// The program will be launched in the current directory
bool launchProgram (const std::string &programName, const std::string &arguments, bool log = true);
/// This function executes a program and wait for result (used for example for crash report).
/// The program will be launched in the current directory
sint launchProgramAndWaitForResult (const std::string &programName, const std::string &arguments, bool log = true);
/// This function executes a program and returns output as a string
std::string getCommandOutput(const std::string &command);

84
code/nel/src/misc/common.cpp
View file

@ -826,6 +826,90 @@ bool launchProgram(const std::string &programName, const std::string &arguments,
return false;
sint launchProgramAndWaitForResult(const std::string &programName, const std::string &arguments, bool log)
{
sint res = 0;
#ifdef NL_OS_WINDOWS
STARTUPINFOA si;
PROCESS_INFORMATION pi;
memset(&si, 0, sizeof(si));
memset(&pi, 0, sizeof(pi));
si.cb = sizeof(si);
// Enable nlassert/nlstop to display the error reason & callstack
const TCHAR *SE_TRANSLATOR_IN_MAIN_MODULE = _T("NEL_SE_TRANS");
TCHAR envBuf [2];
if ( GetEnvironmentVariable( SE_TRANSLATOR_IN_MAIN_MODULE, envBuf, 2 ) != 0)
{
SetEnvironmentVariable( SE_TRANSLATOR_IN_MAIN_MODULE, NULL );
}
string arg = " " + arguments;
BOOL ok = CreateProcessA(programName.c_str(), (char*)arg.c_str(), NULL, NULL, FALSE, CREATE_DEFAULT_ERROR_MODE | CREATE_NO_WINDOW, NULL, NULL, &si, &pi);
if (ok)
{
// Successfully created the process. Wait for it to finish.
WaitForSingleObject(pi.hProcess, INFINITE);
// Get the exit code.
DWORD exitCode = 0;
ok = GetExitCodeProcess(pi.hProcess, &exitCode);
//nldebug("LAUNCH: Successful launch '%s' with arg '%s'", programName.c_str(), arguments.c_str());
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
if (ok)
{
res = (sint)exitCode;
}
else
{
if (log)
nlwarning("LAUNCH: Failed launched '%s' with arg '%s'", programName.c_str(), arguments.c_str());
}
}
else
{
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL);
if (log)
nlwarning("LAUNCH: Failed launched '%s' with arg '%s' err %d: '%s'", programName.c_str(), arguments.c_str(), GetLastError(), lpMsgBuf);
LocalFree(lpMsgBuf);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
#else
// save LD_LIBRARY_PATH
const char *previousEnv = getenv("LD_LIBRARY_PATH");
// clear LD_LIBRARY_PATH to avoid problems with Steam Runtime
setenv("LD_LIBRARY_PATH", "", 1);
// program name is the only required string
std::string command = programName;
// only appends arguments if any
if (!arguments.empty()) command += " " + arguments;
// execute the command
res = system(command.c_str());
// restore previous LD_LIBRARY_PATH
setenv("LD_LIBRARY_PATH", previousEnv, 1);
if (res && log)
nlwarning ("LAUNCH: Failed launched '%s' with arg '%s' return code %d", programName.c_str(), arguments.c_str(), res);
#endif
return res;
}
std::string getCommandOutput(const std::string &command)