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renamed AppRoot to App

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added App::setSignalHandler() and App::unsetSignalHandler()
This commit is contained in:
hyung-hwan 2018-07-20 08:48:33 +00:00
parent f6c51b1a67
commit 7755914a2c
10 changed files with 150 additions and 70 deletions
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33
qse/configure vendored
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@ -20926,6 +20926,33 @@ _ACEOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking numeric value of NSIG" >&5
$as_echo_n "checking numeric value of NSIG... " >&6; }
if ${ax_cv_numvalof_NSIG+:} false; then :
$as_echo_n "(cached) " >&6
else
if ac_fn_c_compute_int "$LINENO" "(NSIG)" "ax_cv_numvalof_NSIG" "#include <signal.h>
"; then :
else
ax_cv_numvalof_NSIG=32
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_numvalof_NSIG" >&5
$as_echo "$ax_cv_numvalof_NSIG" >&6; }
cat >>confdefs.h <<_ACEOF
#define NUMVALOF_NSIG $ax_cv_numvalof_NSIG
_ACEOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking numeric value of SOCK_STREAM" >&5
$as_echo_n "checking numeric value of SOCK_STREAM... " >&6; }
@ -22433,6 +22460,12 @@ _ACEOF
fi
cat >>confdefs.h <<_ACEOF
#define QSE_NSIGS ${ax_cv_numvalof_NSIG}
_ACEOF
if test ${ax_cv_numvalof_SOCK_STREAM} -ge 0
then

3
qse/configure.ac
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@ -418,6 +418,7 @@ fi
AC_CHECK_SIZEOF(mbstate_t,,[#include <wchar.h>])
AX_CHECK_NUMVALOF(MB_LEN_MAX,[32],[#include <limits.h>])
AX_CHECK_NUMVALOF(PATH_MAX,[0],[#include <limits.h>])
AX_CHECK_NUMVALOF(NSIG,[32],[#include <signal.h>])
AX_CHECK_NUMVALOF(SOCK_STREAM, [-1], [#include <sys/types.h>
#include <sys/socket.h>
@ -711,6 +712,8 @@ then
AC_DEFINE_UNQUOTED(QSE_PATH_MAX, ${ax_cv_numvalof_PATH_MAX}, [PATH_MAX])
fi
AC_DEFINE_UNQUOTED(QSE_NSIGS, ${ax_cv_numvalof_NSIG}, [NSIG])
if test ${ax_cv_numvalof_SOCK_STREAM} -ge 0
then
AC_DEFINE_UNQUOTED(QSE_SOCK_STREAM, ${ax_cv_numvalof_SOCK_STREAM}, [SOCK_STREAM])

6
qse/include/qse/config.h.in
View File

@ -786,6 +786,9 @@
/* The size of `MB_LEN_MAX', as computed by valueof. */
#undef NUMVALOF_MB_LEN_MAX
/* The size of `NSIG', as computed by valueof. */
#undef NUMVALOF_NSIG
/* The size of `PATH_MAX', as computed by valueof. */
#undef NUMVALOF_PATH_MAX
@ -871,6 +874,9 @@
/* Define if mode_t is signed */
#undef QSE_MODE_T_IS_SIGNED
/* NSIG */
#undef QSE_NSIGS
/* offsetof(struct iovec, iov_base) */
#undef QSE_OFFSETOF_IOV_BASE

23
qse/include/qse/si/AppRoot.hpp → qse/include/qse/si/App.hpp
View File

@ -24,8 +24,8 @@
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _QSE_SI_APPROOT_H_
#define _QSE_SI_APPROOT_H_
#ifndef _QSE_SI_APP_H_
#define _QSE_SI_APP_H_
#include <qse/Types.hpp>
#include <qse/Uncopyable.hpp>
@ -35,11 +35,11 @@
QSE_BEGIN_NAMESPACE(QSE)
/////////////////////////////////
class AppRoot: public Uncopyable, public Types, public Mmged
class App: public Uncopyable, public Types, public Mmged
{
public:
AppRoot (Mmgr* mmgr): Mmged(mmgr), _root_only(false) {}
virtual ~AppRoot () {}
App (Mmgr* mmgr) QSE_CPP_NOEXCEPT: Mmged(mmgr), _root_only(false) {}
~App () QSE_CPP_NOEXCEPT {}
int daemonize (bool chdir_to_root = true, int fork_count = 1) QSE_CPP_NOEXCEPT;
@ -53,15 +53,12 @@ public:
protected:
bool _root_only;
#if 0
uid_t saved_uid;
gid_t saved_gid;
gid_t saved_groups[NGROUPS_MAX];
qse_size_t saved_ngroups;
void on_signal () QSE_CPP_NOEXCEPT;
void on_signal () QSE_CPP_NOEXCEPT;
#endif
public:
typedef void (*SignalHandler) (int sig);
static int setSignalHandler (int sig, SignalHandler sighr);
static int unsetSignalHandler (int sig);
static qse_size_t _sighrs[2][QSE_NSIGS];
};
/////////////////////////////////

2
qse/include/qse/si/Makefile.am
View File

@ -29,7 +29,7 @@ pkginclude_HEADERS = \
if ENABLE_CXX
pkginclude_HEADERS += \
AppRoot.hpp \
App.hpp \
Condition.hpp \
Mutex.hpp \
SocketAddress.hpp \

4
qse/include/qse/si/Makefile.in
View File

@ -88,7 +88,7 @@ POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
@ENABLE_CXX_TRUE@am__append_1 = \
@ENABLE_CXX_TRUE@ AppRoot.hpp \
@ENABLE_CXX_TRUE@ App.hpp \
@ENABLE_CXX_TRUE@ Condition.hpp \
@ENABLE_CXX_TRUE@ Mutex.hpp \
@ENABLE_CXX_TRUE@ SocketAddress.hpp \
@ -136,7 +136,7 @@ am__can_run_installinfo = \
am__pkginclude_HEADERS_DIST = aio.h aio-pro.h aio-sck.h cnd.h dir.h \
fio.h fs.h glob.h intr.h log.h mtx.h mux.h nwad.h nwif.h \
nwio.h os.h pio.h rwl.h sck.h sinfo.h sio.h spl.h task.h thr.h \
tio.h AppRoot.hpp Condition.hpp Mutex.hpp SocketAddress.hpp \
tio.h App.hpp Condition.hpp Mutex.hpp SocketAddress.hpp \
Socket.hpp SpinLock.hpp TcpServer.hpp Thread.hpp
am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
am__vpath_adj = case $$p in \

99
qse/lib/si/AppRoot.cpp → qse/lib/si/App.cpp
View File

@ -24,7 +24,7 @@
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <qse/si/AppRoot.hpp>
#include <qse/si/App.hpp>
#include <qse/si/sinfo.h>
#include "../cmn/syscall.h"
#include <qse/cmn/mbwc.h>
@ -33,7 +33,7 @@
QSE_BEGIN_NAMESPACE(QSE)
/////////////////////////////////
int AppRoot::daemonize (bool chdir_to_root, int fork_count) QSE_CPP_NOEXCEPT
int App::daemonize (bool chdir_to_root, int fork_count) QSE_CPP_NOEXCEPT
{
if (this->_root_only && QSE_GETEUID() != 0) return -1;
@ -103,23 +103,23 @@ int AppRoot::daemonize (bool chdir_to_root, int fork_count) QSE_CPP_NOEXCEPT
int AppRoot::chroot (const qse_mchar_t* mpath) QSE_CPP_NOEXCEPT
int App::chroot (const qse_mchar_t* mpath) QSE_CPP_NOEXCEPT
{
return QSE_CHROOT (mpath);
}
int AppRoot::chroot (const qse_wchar_t* wpath) QSE_CPP_NOEXCEPT
int App::chroot (const qse_wchar_t* wpath) QSE_CPP_NOEXCEPT
{
qse_mchar_t* mpath;
mpath = qse_wcstombsdup (wpath, QSE_NULL, this->getMmgr());
if (!mpath) return -1;
int n = AppRoot::chroot ((const qse_mchar_t*)mpath);
int n = App::chroot ((const qse_mchar_t*)mpath);
this->getMmgr()->dispose (mpath);
return n;
}
#if 0
int AppRoot::switchPrivilege (int gid, int uid, bool permanently)
int App::switchPrivilege (int gid, int uid, bool permanently)
{
gid = QSE_GETGID();
uid = QSE_GETUID();
@ -140,7 +140,7 @@ int AppRoot::switchPrivilege (int gid, int uid, bool permanently)
}
}
int AppRoot::restorePrivilege ()
int App::restorePrivilege ()
{
if (QSE_GETEUID() != this->saved_euid) seteuid (this->saved_euid);
if (QSE_GETEGID() != this->saved_egid) setegid (this->saved_egid);
@ -149,22 +149,87 @@ int AppRoot::restorePrivilege ()
}
#endif
#if 0
int main ()
qse_size_t App::_sighrs[2][QSE_NSIGS] = { { 0, }, };
static void dispatch_signal (int sig)
{
AppRoot app;
((App::SignalHandler)App::_sighrs[0][sig]) (sig);
if (App::_sighrs[1][sig] && App::_sighrs[1][sig] != (qse_size_t)SIG_IGN && App::_sighrs[1][sig] != (qse_size_t)SIG_DFL)
{
((App::SignalHandler)App::_sighrs[1][sig]) (sig);
}
}
app.daemonize();
app.chuser ();
app.chgroup ();
app.chroot ();
static void dispatch_siginfo (int sig, siginfo_t* si, void* ctx)
{
((App::SignalHandler)App::_sighrs[0][sig]) (sig);
if (App::_sighrs[1][sig] && App::_sighrs[1][sig] != (qse_size_t)SIG_IGN && App::_sighrs[1][sig] != (qse_size_t)SIG_DFL)
{
((void(*)(int, siginfo_t*, void*))App::_sighrs[1][sig]) (sig, si, ctx);
}
}
app.catchSignal (SIGINT, xxxxx);
app.catchSignal (SIGTERM, xxx);
// i don't want to use sigset_t in App.hpp.
// so i place oldsi here as a static variable instead of
// static member variable of App
static struct
{
sigset_t sa_mask;
int sa_flags;
} oldsi[QSE_NSIGS] = { { 0, 0 }, };
int App::setSignalHandler (int sig, SignalHandler sighr)
{
if (App::_sighrs[0][sig]) return -1; // already set
struct sigaction sa, oldsa;
if (::sigaction(sig, QSE_NULL, &oldsa) == -1) return -1;
if (oldsa.sa_flags & SA_SIGINFO)
{
sa.sa_sigaction = dispatch_siginfo;
sigemptyset (&sa.sa_mask);
sa.sa_flags |= SA_SIGINFO;
}
else
{
sa.sa_handler = dispatch_signal;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
//sa.sa_flags |= SA_INTERUPT;
//sa.sa_flags |= SA_RESTART;
}
if (::sigaction(sig, &sa, QSE_NULL) == -1) return -1;
App::_sighrs[0][sig] = (qse_size_t)sighr;
App::_sighrs[1][sig] = (qse_size_t)oldsa.sa_handler;
oldsi[sig].sa_mask = oldsa.sa_mask;
oldsi[sig].sa_flags = oldsa.sa_flags;
return 0;
}
#endif
int App::unsetSignalHandler (int sig)
{
if (!App::_sighrs[0][sig]) return -1;
struct sigaction sa;
sa.sa_mask = oldsi[sig].sa_mask;
sa.sa_flags = oldsi[sig].sa_flags;
if (sa.sa_flags & SA_SIGINFO)
sa.sa_sigaction = (void(*)(int,siginfo_t*,void*))App::_sighrs[1][sig];
else
sa.sa_handler = (SignalHandler)App::_sighrs[1][sig];
if (sigaction (sig, &sa, QSE_NULL) <= -1) return -1;
App::_sighrs[0][sig] = 0;
App::_sighrs[1][sig] = 0;
return 0;
}
/////////////////////////////////
QSE_END_NAMESPACE(QSE)

2
qse/lib/si/Makefile.am
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@ -53,7 +53,7 @@ libqsesi_la_LIBADD = -lqsecmn $(PTHREAD_LIBS) $(SSL_LIBS)
if ENABLE_CXX
lib_LTLIBRARIES += libqsesixx.la
libqsesixx_la_SOURCES = \
AppRoot.cpp \
App.cpp \
SocketAddress.cpp \
Socket.cpp \
TcpServer.cpp \

13
qse/lib/si/Makefile.in
View File

@ -161,11 +161,10 @@ libqsesi_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libqsesi_la_CFLAGS) \
$(CFLAGS) $(libqsesi_la_LDFLAGS) $(LDFLAGS) -o $@
libqsesixx_la_DEPENDENCIES =
am__libqsesixx_la_SOURCES_DIST = AppRoot.cpp SocketAddress.cpp \
Socket.cpp TcpServer.cpp Thread.cpp
@ENABLE_CXX_TRUE@am_libqsesixx_la_OBJECTS = AppRoot.lo \
@ENABLE_CXX_TRUE@ SocketAddress.lo Socket.lo TcpServer.lo \
@ENABLE_CXX_TRUE@ Thread.lo
am__libqsesixx_la_SOURCES_DIST = App.cpp SocketAddress.cpp Socket.cpp \
TcpServer.cpp Thread.cpp
@ENABLE_CXX_TRUE@am_libqsesixx_la_OBJECTS = App.lo SocketAddress.lo \
@ENABLE_CXX_TRUE@ Socket.lo TcpServer.lo Thread.lo
libqsesixx_la_OBJECTS = $(am_libqsesixx_la_OBJECTS)
libqsesixx_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CXXLD) \
@ -470,7 +469,7 @@ libqsesi_la_CFLAGS = $(PTHREAD_CFLAGS)
libqsesi_la_LDFLAGS = -L../cmn -version-info 1:0:0 -no-undefined
libqsesi_la_LIBADD = -lqsecmn $(PTHREAD_LIBS) $(SSL_LIBS)
@ENABLE_CXX_TRUE@libqsesixx_la_SOURCES = \
@ENABLE_CXX_TRUE@ AppRoot.cpp \
@ENABLE_CXX_TRUE@ App.cpp \
@ENABLE_CXX_TRUE@ SocketAddress.cpp \
@ENABLE_CXX_TRUE@ Socket.cpp \
@ENABLE_CXX_TRUE@ TcpServer.cpp \
@ -559,7 +558,7 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/AppRoot.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/App.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/Socket.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/SocketAddress.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/TcpServer.Plo@am__quote@

35
qse/samples/si/tcpsvr01.cpp
View File

@ -4,6 +4,7 @@
#include <qse/si/os.h>
#include <qse/cmn/mem.h>
#include <qse/cmn/HeapMmgr.hpp>
#include <qse/si/App.hpp>
#include <locale.h>
@ -110,35 +111,10 @@ static int test1 (void)
return 0;
}
static void handle_sigint (int sig, siginfo_t* siginfo, void* ctx)
static void handle_sigint (int sig)
{
if (g_server) g_server->stop ();
}
static void set_signal (int sig, void(*handler)(int, siginfo_t*, void*))
{
struct sigaction sa;
memset (&sa, 0, sizeof(sa));
/*sa.sa_handler = handler;*/
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = handler;
sigemptyset (&sa.sa_mask);
sigaction (sig, &sa, NULL);
}
static void set_signal_to_default (int sig)
{
struct sigaction sa;
memset (&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
sigaction (sig, &sa, NULL);
}
int main ()
{
@ -161,13 +137,14 @@ int main ()
/*qse_setdflcmgrbyid (QSE_CMGR_SLMB);*/
#endif
set_signal (SIGINT, handle_sigint);
qse_open_stdsios ();
QSE::App::setSignalHandler (SIGINT, handle_sigint);
test1();
QSE::App::unsetSignalHandler (SIGINT);
qse_close_stdsios ();
set_signal_to_default (SIGINT);
return 0;
}