mirror of https://github.com/Icinga/icinga2.git
Refactor the Process class. Remove the Windows implementation for now.
This commit is contained in:
parent
b17cafd0cf
commit
d6fcc33be4
|
@ -34,6 +34,8 @@ libbase_la_SOURCES = \
|
|||
object.cpp \
|
||||
object.h \
|
||||
process.cpp \
|
||||
process-unix.cpp \
|
||||
process-windows.cpp \
|
||||
process.h \
|
||||
qstring.cpp \
|
||||
qstring.h \
|
||||
|
|
|
@ -39,6 +39,8 @@
|
|||
<ClCompile Include="netstring.cpp" />
|
||||
<ClCompile Include="object.cpp" />
|
||||
<ClCompile Include="process.cpp" />
|
||||
<ClCompile Include="process-unix.cpp" />
|
||||
<ClCompile Include="process-windows.cpp" />
|
||||
<ClCompile Include="qstring.cpp" />
|
||||
<ClCompile Include="ringbuffer.cpp" />
|
||||
<ClCompile Include="scriptfunction.cpp" />
|
||||
|
|
|
@ -0,0 +1,323 @@
|
|||
/******************************************************************************
|
||||
* Icinga 2 *
|
||||
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
|
||||
* *
|
||||
* This program is free software; you can redistribute it and/or *
|
||||
* modify it under the terms of the GNU General Public License *
|
||||
* as published by the Free Software Foundation; either version 2 *
|
||||
* of the License, or (at your option) any later version. *
|
||||
* *
|
||||
* This program is distributed in the hope that it will be useful, *
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
||||
* GNU General Public License for more details. *
|
||||
* *
|
||||
* You should have received a copy of the GNU General Public License *
|
||||
* along with this program; if not, write to the Free Software Foundation *
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
||||
******************************************************************************/
|
||||
|
||||
#ifndef _WIN32
|
||||
#include "i2-base.h"
|
||||
|
||||
#ifndef _MSC_VER
|
||||
#include <execvpe.h>
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
using namespace icinga;
|
||||
|
||||
int Process::m_TaskFd;
|
||||
extern char **environ;
|
||||
|
||||
void Process::CreateWorkers(void)
|
||||
{
|
||||
int fds[2];
|
||||
|
||||
if (pipe(fds) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("pipe() failed.", errno));
|
||||
|
||||
m_TaskFd = fds[1];
|
||||
|
||||
for (int i = 0; i < thread::hardware_concurrency(); i++) {
|
||||
int childTaskFd;
|
||||
|
||||
childTaskFd = dup(fds[0]);
|
||||
|
||||
if (childTaskFd < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("dup() failed.", errno));
|
||||
|
||||
int flags;
|
||||
flags = fcntl(childTaskFd, F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(childTaskFd, F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
thread t(&Process::WorkerThreadProc, childTaskFd);
|
||||
t.detach();
|
||||
}
|
||||
}
|
||||
|
||||
void Process::WorkerThreadProc(int taskFd)
|
||||
{
|
||||
map<int, Process::Ptr> tasks;
|
||||
pollfd *pfds = NULL;
|
||||
|
||||
for (;;) {
|
||||
map<int, Process::Ptr>::iterator it, prev;
|
||||
|
||||
pfds = (pollfd *)realloc(pfds, (1 + tasks.size()) * sizeof(pollfd));
|
||||
|
||||
if (pfds == NULL)
|
||||
BOOST_THROW_EXCEPTION(PosixException("realloc() failed.", errno));
|
||||
|
||||
int idx = 0;
|
||||
|
||||
int fd;
|
||||
BOOST_FOREACH(tie(fd, tuples::ignore), tasks) {
|
||||
pfds[idx].fd = fd;
|
||||
pfds[idx].events = POLLIN | POLLHUP;
|
||||
idx++;
|
||||
}
|
||||
|
||||
if (tasks.size() < MaxTasksPerThread) {
|
||||
pfds[idx].fd = taskFd;
|
||||
pfds[idx].events = POLLIN;
|
||||
idx++;
|
||||
}
|
||||
|
||||
int rc = poll(pfds, idx, -1);
|
||||
|
||||
if (rc < 0 && errno != EINTR)
|
||||
BOOST_THROW_EXCEPTION(PosixException("poll() failed.", errno));
|
||||
|
||||
if (rc == 0)
|
||||
continue;
|
||||
|
||||
|
||||
for (int i = 0; i < idx; i++) {
|
||||
if ((pfds[i].revents & (POLLIN|POLLHUP)) == 0)
|
||||
continue;
|
||||
|
||||
while (pfds[i].fd == taskFd && tasks.size() < MaxTasksPerThread) {
|
||||
Process::Ptr task;
|
||||
|
||||
{
|
||||
boost::mutex::scoped_lock lock(m_Mutex);
|
||||
|
||||
/* Read one byte for every task we take from the pending tasks list. */
|
||||
char buffer;
|
||||
int rc = read(taskFd, &buffer, sizeof(buffer));
|
||||
|
||||
if (rc < 0) {
|
||||
if (errno == EAGAIN)
|
||||
break; /* Someone else was faster and took our task. */
|
||||
|
||||
BOOST_THROW_EXCEPTION(PosixException("read() failed.", errno));
|
||||
}
|
||||
|
||||
assert(!m_Tasks.empty());
|
||||
|
||||
task = m_Tasks.front();
|
||||
m_Tasks.pop_front();
|
||||
}
|
||||
|
||||
try {
|
||||
task->InitTask();
|
||||
|
||||
int fd = task->m_FD;
|
||||
|
||||
if (fd >= 0)
|
||||
tasks[fd] = task;
|
||||
} catch (...) {
|
||||
Event::Post(boost::bind(&Process::FinishException, task, boost::current_exception()));
|
||||
}
|
||||
}
|
||||
|
||||
it = tasks.find(pfds[i].fd);
|
||||
|
||||
if (it == tasks.end())
|
||||
continue;
|
||||
|
||||
Process::Ptr task = it->second;
|
||||
|
||||
if (!task->RunTask()) {
|
||||
prev = it;
|
||||
tasks.erase(prev);
|
||||
|
||||
Event::Post(boost::bind(&Process::FinishResult, task, task->m_Result));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void Process::NotifyWorker(void)
|
||||
{
|
||||
/**
|
||||
* This little gem which is commonly known as the "self-pipe trick"
|
||||
* takes care of waking up the select() call in the worker thread.
|
||||
*/
|
||||
if (write(m_TaskFd, "T", 1) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("write() failed.", errno));
|
||||
}
|
||||
|
||||
void Process::InitTask(void)
|
||||
{
|
||||
m_Result.ExecutionStart = Utility::GetTime();
|
||||
|
||||
assert(m_FD == -1);
|
||||
|
||||
int fds[2];
|
||||
|
||||
#ifdef HAVE_PIPE2
|
||||
if (pipe2(fds, O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
#else /* HAVE_PIPE2 */
|
||||
if (pipe(fds) < 0)
|
||||
#endif /* HAVE_PIPE2 */
|
||||
BOOST_THROW_EXCEPTION(PosixException("pipe() failed.", errno));
|
||||
|
||||
#ifndef HAVE_PIPE2
|
||||
int flags;
|
||||
flags = fcntl(fds[0], F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(fds[0], F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
flags = fcntl(fds[1], F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(fds[1], F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
#endif /* HAVE_PIPE2 */
|
||||
|
||||
// build argv
|
||||
char **argv = new char *[m_Arguments.size() + 1];
|
||||
|
||||
for (int i = 0; i < m_Arguments.size(); i++)
|
||||
argv[i] = strdup(m_Arguments[i].CStr());
|
||||
|
||||
argv[m_Arguments.size()] = NULL;
|
||||
|
||||
m_Arguments.clear();
|
||||
|
||||
// build envp
|
||||
int envc = 0;
|
||||
|
||||
/* count existing environment variables */
|
||||
while (environ[envc] != NULL)
|
||||
envc++;
|
||||
|
||||
char **envp = new char *[envc + (m_ExtraEnvironment ? m_ExtraEnvironment->GetLength() : 0) + 1];
|
||||
|
||||
for (int i = 0; i < envc; i++)
|
||||
envp[i] = strdup(environ[i]);
|
||||
|
||||
if (m_ExtraEnvironment) {
|
||||
String key;
|
||||
Value value;
|
||||
int index = envc;
|
||||
BOOST_FOREACH(tie(key, value), m_ExtraEnvironment) {
|
||||
String kv = key + "=" + Convert::ToString(value);
|
||||
envp[index] = strdup(kv.CStr());
|
||||
index++;
|
||||
}
|
||||
}
|
||||
|
||||
envp[envc + (m_ExtraEnvironment ? m_ExtraEnvironment->GetLength() : 0)] = NULL;
|
||||
|
||||
m_ExtraEnvironment.reset();
|
||||
|
||||
#ifdef HAVE_VFORK
|
||||
m_Pid = vfork();
|
||||
#else /* HAVE_VFORK */
|
||||
m_Pid = fork();
|
||||
#endif /* HAVE_VFORK */
|
||||
|
||||
if (m_Pid < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fork() failed.", errno));
|
||||
|
||||
if (m_Pid == 0) {
|
||||
// child process
|
||||
|
||||
if (dup2(fds[1], STDOUT_FILENO) < 0 || dup2(fds[1], STDERR_FILENO) < 0) {
|
||||
perror("dup2() failed.");
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
(void) close(fds[0]);
|
||||
(void) close(fds[1]);
|
||||
|
||||
if (execvpe(argv[0], argv, envp) < 0) {
|
||||
perror("execvpe() failed.");
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
// parent process
|
||||
|
||||
// free arguments
|
||||
for (int i = 0; argv[i] != NULL; i++)
|
||||
free(argv[i]);
|
||||
|
||||
delete [] argv;
|
||||
|
||||
// free environment
|
||||
for (int i = 0; envp[i] != NULL; i++)
|
||||
free(envp[i]);
|
||||
|
||||
delete [] envp;
|
||||
|
||||
m_FD = fds[0];
|
||||
(void) close(fds[1]);
|
||||
}
|
||||
|
||||
bool Process::RunTask(void)
|
||||
{
|
||||
char buffer[512];
|
||||
int rc;
|
||||
|
||||
do {
|
||||
rc = read(m_FD, buffer, sizeof(buffer));
|
||||
|
||||
if (rc > 0) {
|
||||
m_OutputStream.write(buffer, rc);
|
||||
}
|
||||
} while (rc > 0);
|
||||
|
||||
if (rc < 0 && errno == EAGAIN)
|
||||
return true;
|
||||
|
||||
String output = m_OutputStream.str();
|
||||
|
||||
int status, exitcode;
|
||||
|
||||
(void) close(m_FD);
|
||||
|
||||
if (waitpid(m_Pid, &status, 0) != m_Pid)
|
||||
BOOST_THROW_EXCEPTION(PosixException("waitpid() failed.", errno));
|
||||
|
||||
if (WIFEXITED(status)) {
|
||||
exitcode = WEXITSTATUS(status);
|
||||
} else if (WIFSIGNALED(status)) {
|
||||
stringstream outputbuf;
|
||||
outputbuf << "Process was terminated by signal " << WTERMSIG(status);
|
||||
output = outputbuf.str();
|
||||
exitcode = 128;
|
||||
} else {
|
||||
exitcode = 128;
|
||||
}
|
||||
|
||||
m_Result.ExecutionEnd = Utility::GetTime();
|
||||
m_Result.ExitStatus = exitcode;
|
||||
m_Result.Output = output;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif /* _WIN32 */
|
|
@ -0,0 +1,54 @@
|
|||
/******************************************************************************
|
||||
* Icinga 2 *
|
||||
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
|
||||
* *
|
||||
* This program is free software; you can redistribute it and/or *
|
||||
* modify it under the terms of the GNU General Public License *
|
||||
* as published by the Free Software Foundation; either version 2 *
|
||||
* of the License, or (at your option) any later version. *
|
||||
* *
|
||||
* This program is distributed in the hope that it will be useful, *
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
||||
* GNU General Public License for more details. *
|
||||
* *
|
||||
* You should have received a copy of the GNU General Public License *
|
||||
* along with this program; if not, write to the Free Software Foundation *
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
||||
******************************************************************************/
|
||||
|
||||
#ifdef _WIN32
|
||||
#include "i2-base.h"
|
||||
|
||||
#ifndef _MSC_VER
|
||||
#include <execvpe.h>
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
using namespace icinga;
|
||||
|
||||
void Process::CreateWorkers(void)
|
||||
{
|
||||
// TODO: implement
|
||||
}
|
||||
|
||||
void Process::WorkerThreadProc(void)
|
||||
{
|
||||
// TODO: implement
|
||||
}
|
||||
|
||||
void Process::NotifyWorker(void)
|
||||
{
|
||||
// TODO: implement
|
||||
}
|
||||
|
||||
void Process::InitTask(void)
|
||||
{
|
||||
// TODO: implement
|
||||
}
|
||||
|
||||
bool Process::RunTask(void)
|
||||
{
|
||||
// TODO: implement
|
||||
}
|
||||
|
||||
#endif /* _WIN32 */
|
|
@ -25,102 +25,33 @@
|
|||
|
||||
using namespace icinga;
|
||||
|
||||
bool Process::m_ThreadCreated = false;
|
||||
bool Process::m_WorkersCreated = false;
|
||||
boost::mutex Process::m_Mutex;
|
||||
deque<Process::Ptr> Process::m_Tasks;
|
||||
#ifndef _MSC_VER
|
||||
int Process::m_TaskFd;
|
||||
extern char **environ;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
Process::Process(const vector<String>& arguments, const Dictionary::Ptr& extraEnvironment)
|
||||
: AsyncTask<Process, ProcessResult>(),
|
||||
#ifndef _MSC_VER
|
||||
m_FD(-1)
|
||||
#else /* _MSC_VER */
|
||||
m_FP(NULL)
|
||||
#endif /* _MSC_VER */
|
||||
: AsyncTask<Process, ProcessResult>(), m_Arguments(arguments), m_ExtraEnvironment(extraEnvironment)
|
||||
{
|
||||
assert(Application::IsMainThread());
|
||||
|
||||
if (!m_ThreadCreated) {
|
||||
#ifndef _MSC_VER
|
||||
int fds[2];
|
||||
if (!m_WorkersCreated) {
|
||||
CreateWorkers();
|
||||
|
||||
if (pipe(fds) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("pipe() failed.", errno));
|
||||
|
||||
m_TaskFd = fds[1];
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
for (int i = 0; i < thread::hardware_concurrency(); i++) {
|
||||
int childTaskFd;
|
||||
|
||||
#ifdef _MSC_VER
|
||||
childTaskFd = 0;
|
||||
#else /* _MSC_VER */
|
||||
childTaskFd = dup(fds[0]);
|
||||
|
||||
if (childTaskFd < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("dup() failed.", errno));
|
||||
|
||||
int flags;
|
||||
flags = fcntl(childTaskFd, F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(childTaskFd, F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
thread t(&Process::WorkerThreadProc, childTaskFd);
|
||||
t.detach();
|
||||
}
|
||||
|
||||
m_ThreadCreated = true;
|
||||
m_WorkersCreated = true;
|
||||
}
|
||||
|
||||
// build argv
|
||||
m_Arguments = new char *[arguments.size() + 1];
|
||||
|
||||
for (int i = 0; i < arguments.size(); i++)
|
||||
m_Arguments[i] = strdup(arguments[i].CStr());
|
||||
|
||||
m_Arguments[arguments.size()] = NULL;
|
||||
|
||||
// build envp
|
||||
int envc = 0;
|
||||
|
||||
/* count existing environment variables */
|
||||
while (environ[envc] != NULL)
|
||||
envc++;
|
||||
|
||||
m_Environment = new char *[envc + (extraEnvironment ? extraEnvironment->GetLength() : 0) + 1];
|
||||
|
||||
for (int i = 0; i < envc; i++)
|
||||
m_Environment[i] = strdup(environ[i]);
|
||||
|
||||
if (extraEnvironment) {
|
||||
String key;
|
||||
Value value;
|
||||
int index = envc;
|
||||
BOOST_FOREACH(tie(key, value), extraEnvironment) {
|
||||
String kv = key + "=" + Convert::ToString(value);
|
||||
m_Environment[index] = strdup(kv.CStr());
|
||||
index++;
|
||||
}
|
||||
}
|
||||
|
||||
m_Environment[envc + (extraEnvironment ? extraEnvironment->GetLength() : 0)] = NULL;
|
||||
#ifndef _WIN32
|
||||
m_FD = -1;
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
|
||||
vector<String> Process::ParseCommand(const String& command)
|
||||
{
|
||||
// TODO: implement
|
||||
vector<String> args;
|
||||
#ifdef _MSC_VER
|
||||
#ifdef _WIN32
|
||||
args.push_back(command);
|
||||
#else /* MSC_VER */
|
||||
#else /* _WIN32 */
|
||||
args.push_back("sh");
|
||||
args.push_back("-c");
|
||||
args.push_back(command);
|
||||
|
@ -135,320 +66,5 @@ void Process::Run(void)
|
|||
m_Tasks.push_back(GetSelf());
|
||||
}
|
||||
|
||||
#ifndef _MSC_VER
|
||||
/**
|
||||
* This little gem which is commonly known as the "self-pipe trick"
|
||||
* takes care of waking up the select() call in the worker thread.
|
||||
*/
|
||||
if (write(m_TaskFd, "T", 1) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("write() failed.", errno));
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
|
||||
void Process::WorkerThreadProc(int taskFd)
|
||||
{
|
||||
map<int, Process::Ptr> tasks;
|
||||
pollfd *pfds = NULL;
|
||||
|
||||
for (;;) {
|
||||
map<int, Process::Ptr>::iterator it, prev;
|
||||
|
||||
#ifndef _MSC_VER
|
||||
pfds = (pollfd *)realloc(pfds, (1 + tasks.size()) * sizeof(pollfd));
|
||||
|
||||
if (pfds == NULL)
|
||||
BOOST_THROW_EXCEPTION(PosixException("realloc() failed.", errno));
|
||||
|
||||
int idx = 0;
|
||||
|
||||
int fd;
|
||||
BOOST_FOREACH(tie(fd, tuples::ignore), tasks) {
|
||||
pfds[idx].fd = fd;
|
||||
pfds[idx].events = POLLIN | POLLHUP;
|
||||
idx++;
|
||||
}
|
||||
|
||||
if (tasks.size() < MaxTasksPerThread) {
|
||||
pfds[idx].fd = taskFd;
|
||||
pfds[idx].events = POLLIN;
|
||||
idx++;
|
||||
}
|
||||
|
||||
int rc = poll(pfds, idx, -1);
|
||||
|
||||
if (rc < 0 && errno != EINTR)
|
||||
BOOST_THROW_EXCEPTION(PosixException("poll() failed.", errno));
|
||||
|
||||
if (rc == 0)
|
||||
continue;
|
||||
|
||||
#else /* _MSC_VER */
|
||||
Utility::Sleep(1);
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
#ifndef _MSC_VER
|
||||
for (int i = 0; i < idx; i++) {
|
||||
if ((pfds[i].revents & (POLLIN|POLLHUP)) == 0)
|
||||
continue;
|
||||
|
||||
if (pfds[i].fd == taskFd) {
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
while (tasks.size() < MaxTasksPerThread) {
|
||||
Process::Ptr task;
|
||||
|
||||
{
|
||||
boost::mutex::scoped_lock lock(m_Mutex);
|
||||
|
||||
#ifndef _MSC_VER
|
||||
/* Read one byte for every task we take from the pending tasks list. */
|
||||
char buffer;
|
||||
int rc = read(taskFd, &buffer, sizeof(buffer));
|
||||
|
||||
if (rc < 0) {
|
||||
if (errno == EAGAIN)
|
||||
break; /* Someone else was faster and took our task. */
|
||||
|
||||
BOOST_THROW_EXCEPTION(PosixException("read() failed.", errno));
|
||||
}
|
||||
|
||||
assert(!m_Tasks.empty());
|
||||
#else /* _MSC_VER */
|
||||
if (m_Tasks.empty())
|
||||
break;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
task = m_Tasks.front();
|
||||
m_Tasks.pop_front();
|
||||
}
|
||||
|
||||
try {
|
||||
task->InitTask();
|
||||
|
||||
#ifdef _MSC_VER
|
||||
int fd = fileno(task->m_FP);
|
||||
#else /* _MSC_VER */
|
||||
int fd = task->m_FD;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
if (fd >= 0)
|
||||
tasks[fd] = task;
|
||||
} catch (...) {
|
||||
Event::Post(boost::bind(&Process::FinishException, task, boost::current_exception()));
|
||||
}
|
||||
}
|
||||
#ifndef _MSC_VER
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
it = tasks.find(pfds[i].fd);
|
||||
|
||||
if (it == tasks.end())
|
||||
continue;
|
||||
#else /* _MSC_VER */
|
||||
for (it = tasks.begin(); it != tasks.end(); ) {
|
||||
int fd = it->first;
|
||||
#endif /* _MSC_VER */
|
||||
Process::Ptr task = it->second;
|
||||
|
||||
if (!task->RunTask()) {
|
||||
prev = it;
|
||||
#ifdef _MSC_VER
|
||||
it++;
|
||||
#endif /* _MSC_VER */
|
||||
tasks.erase(prev);
|
||||
|
||||
Event::Post(boost::bind(&Process::FinishResult, task, task->m_Result));
|
||||
#ifdef _MSC_VER
|
||||
} else {
|
||||
it++;
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
#ifdef _MSC_VER
|
||||
}
|
||||
#else /* _MSC_VER */
|
||||
}
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
}
|
||||
|
||||
void Process::InitTask(void)
|
||||
{
|
||||
m_Result.ExecutionStart = Utility::GetTime();
|
||||
|
||||
#ifdef _MSC_VER
|
||||
assert(m_FP == NULL);
|
||||
#else /* _MSC_VER */
|
||||
assert(m_FD == -1);
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
#ifdef _MSC_VER
|
||||
String cmdLine;
|
||||
|
||||
// This is almost certainly wrong, but will have to do for now. (#3684)
|
||||
for (int i = 0; m_Arguments[i] != NULL ; i++) {
|
||||
cmdLine += "\"";
|
||||
cmdLine += m_Arguments[i];
|
||||
cmdLine += "\" ";
|
||||
}
|
||||
|
||||
// free arguments
|
||||
for (int i = 0; m_Arguments[i] != NULL; i++)
|
||||
free(m_Arguments[i]);
|
||||
|
||||
delete [] m_Arguments;
|
||||
|
||||
// free environment
|
||||
for (int i = 0; m_Environment[i] != NULL; i++)
|
||||
free(m_Environment[i]);
|
||||
|
||||
delete [] m_Environment;
|
||||
|
||||
m_FP = _popen(cmdLine.CStr(), "r");
|
||||
#else /* _MSC_VER */
|
||||
int fds[2];
|
||||
|
||||
#ifdef HAVE_PIPE2
|
||||
if (pipe2(fds, O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
#else /* HAVE_PIPE2 */
|
||||
if (pipe(fds) < 0)
|
||||
#endif /* HAVE_PIPE2 */
|
||||
BOOST_THROW_EXCEPTION(PosixException("pipe() failed.", errno));
|
||||
|
||||
#ifndef HAVE_PIPE2
|
||||
int flags;
|
||||
flags = fcntl(fds[0], F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(fds[0], F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
flags = fcntl(fds[1], F_GETFL, 0);
|
||||
if (flags < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
|
||||
if (fcntl(fds[1], F_SETFL, flags | O_NONBLOCK | O_CLOEXEC) < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fcntl failed", errno));
|
||||
#endif /* HAVE_PIPE2 */
|
||||
|
||||
#ifdef HAVE_VFORK
|
||||
m_Pid = vfork();
|
||||
#else /* HAVE_VFORK */
|
||||
m_Pid = fork();
|
||||
#endif /* HAVE_VFORK */
|
||||
|
||||
if (m_Pid < 0)
|
||||
BOOST_THROW_EXCEPTION(PosixException("fork() failed.", errno));
|
||||
|
||||
if (m_Pid == 0) {
|
||||
// child process
|
||||
|
||||
if (dup2(fds[1], STDOUT_FILENO) < 0 || dup2(fds[1], STDERR_FILENO) < 0) {
|
||||
perror("dup2() failed.");
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
(void) close(fds[0]);
|
||||
(void) close(fds[1]);
|
||||
|
||||
if (execvpe(m_Arguments[0], m_Arguments, m_Environment) < 0) {
|
||||
perror("execvpe() failed.");
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
_exit(128);
|
||||
}
|
||||
|
||||
// parent process
|
||||
|
||||
// free arguments
|
||||
for (int i = 0; m_Arguments[i] != NULL; i++)
|
||||
free(m_Arguments[i]);
|
||||
|
||||
delete [] m_Arguments;
|
||||
|
||||
// free environment
|
||||
for (int i = 0; m_Environment[i] != NULL; i++)
|
||||
free(m_Environment[i]);
|
||||
|
||||
delete [] m_Environment;
|
||||
|
||||
(void) close(fds[1]);
|
||||
|
||||
m_FD = fds[0];
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
|
||||
bool Process::RunTask(void)
|
||||
{
|
||||
char buffer[512];
|
||||
int rc;
|
||||
|
||||
#ifndef _MSC_VER
|
||||
do {
|
||||
rc = read(m_FD, buffer, sizeof(buffer));
|
||||
#else /* _MSC_VER */
|
||||
if (!feof(m_FP))
|
||||
rc = fread(buffer, 1, sizeof(buffer), m_FP);
|
||||
else
|
||||
rc = 0;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
if (rc > 0) {
|
||||
m_OutputStream.write(buffer, rc);
|
||||
#ifdef _MSC_VER
|
||||
return true;
|
||||
#endif /* _MSC_VER */
|
||||
}
|
||||
#ifndef _MSC_VER
|
||||
} while (rc > 0);
|
||||
|
||||
if (rc < 0 && errno == EAGAIN)
|
||||
return true;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
String output = m_OutputStream.str();
|
||||
|
||||
int status, exitcode;
|
||||
|
||||
#ifdef _MSC_VER
|
||||
status = _pclose(m_FP);
|
||||
#else /* _MSC_VER */
|
||||
(void) close(m_FD);
|
||||
|
||||
if (waitpid(m_Pid, &status, 0) != m_Pid)
|
||||
BOOST_THROW_EXCEPTION(PosixException("waitpid() failed.", errno));
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
#ifndef _MSC_VER
|
||||
if (WIFEXITED(status)) {
|
||||
exitcode = WEXITSTATUS(status);
|
||||
#else /* _MSC_VER */
|
||||
exitcode = status;
|
||||
|
||||
/* cmd.exe returns error code 1 (warning) when the plugin
|
||||
* could not be executed - change the exit status to "unknown"
|
||||
* when we have no plugin output. */
|
||||
if (output.IsEmpty())
|
||||
exitcode = 128;
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
#ifndef _MSC_VER
|
||||
} else if (WIFSIGNALED(status)) {
|
||||
stringstream outputbuf;
|
||||
outputbuf << "Process was terminated by signal " << WTERMSIG(status);
|
||||
output = outputbuf.str();
|
||||
exitcode = 128;
|
||||
} else {
|
||||
exitcode = 128;
|
||||
}
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
m_Result.ExecutionEnd = Utility::GetTime();
|
||||
m_Result.ExitStatus = exitcode;
|
||||
m_Result.Output = output;
|
||||
|
||||
return false;
|
||||
NotifyWorker();
|
||||
}
|
||||
|
|
|
@ -54,17 +54,15 @@ public:
|
|||
|
||||
static vector<String> ParseCommand(const String& command);
|
||||
private:
|
||||
static bool m_ThreadCreated;
|
||||
static bool m_WorkersCreated;
|
||||
|
||||
char **m_Arguments;
|
||||
char **m_Environment;
|
||||
vector<String> m_Arguments;
|
||||
Dictionary::Ptr m_ExtraEnvironment;
|
||||
|
||||
#ifndef _MSC_VER
|
||||
#ifndef _WIN32
|
||||
pid_t m_Pid;
|
||||
int m_FD;
|
||||
#else /* _MSC_VER */
|
||||
FILE *m_FP;
|
||||
#endif /* _MSC_VER */
|
||||
#endif /* _WIN32 */
|
||||
|
||||
stringstream m_OutputStream;
|
||||
|
||||
|
@ -74,11 +72,20 @@ private:
|
|||
|
||||
static boost::mutex m_Mutex;
|
||||
static deque<Process::Ptr> m_Tasks;
|
||||
#ifndef _MSC_VER
|
||||
#ifndef _WIN32
|
||||
static int m_TaskFd;
|
||||
#endif /* _MSC_VER */
|
||||
#endif /* _WIN32 */
|
||||
|
||||
static void CreateWorkers(void);
|
||||
static void NotifyWorker(void);
|
||||
|
||||
void SpawnTask(void);
|
||||
|
||||
#ifdef _WIN32
|
||||
static void WorkerThreadProc(void);
|
||||
#else /* _WIN32 */
|
||||
static void WorkerThreadProc(int taskFd);
|
||||
#endif /* _WIN32 */
|
||||
|
||||
void InitTask(void);
|
||||
bool RunTask(void);
|
||||
|
|
Loading…
Reference in New Issue