mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-19 05:45:58 +00:00
validate: Implement fault_injection as a Gs(tValidate)Plugin
https://bugzilla.gnome.org/show_bug.cgi?id=743994
This commit is contained in:
Thibault Saunier
parent
a9b27057bb
commit
ed43ab1509
7 changed files with 158 additions and 27 deletions
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@ -188,8 +188,15 @@ GST_LICENSE="LGPL"
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AC_DEFINE_UNQUOTED(GST_LICENSE, "$GST_LICENSE", [GStreamer license])
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AC_SUBST(GST_LICENSE)
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dnl set location of plugin directory
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AG_GST_SET_PLUGINDIR
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dnl define location of plugin directory
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AS_AC_EXPAND(PLUGINDIR, ${libdir}/gstreamer-$GST_API_VERSION/validate)
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AC_DEFINE_UNQUOTED(PLUGINDIR, "$PLUGINDIR",
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[directory where GstValidate plugins are located])
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AC_MSG_NOTICE([Using $PLUGINDIR as the plugin install location for GstValidate])
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dnl plugin directory configure-time variable for use in Makefile.am
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plugindir="\$(libdir)/gstreamer-$GST_API_VERSION/validate"
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AC_SUBST(plugindir)
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# set by AG_GST_PARSE_SUBSYSTEM_DISABLES above
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dnl make sure it doesn't complain about unused variables if debugging is disabled
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@ -235,10 +242,6 @@ GST_CFLAGS="$GST_CFLAGS \$(GST_OPTION_CFLAGS)"
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AC_SUBST(GST_CFLAGS)
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AC_SUBST(GST_LIBS)
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dnl Tiny library overriding calls such as socket recv / send
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FAULTINJECTION_LIBS="-L\$(top_srcdir)/fault_injection/ -lfaultinjection-$GST_API_VERSION"
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AC_SUBST([FAULTINJECTION_LIBS])
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dnl GST_ALL_*
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dnl vars common to for all internal objects (core libs, elements, applications)
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dnl CFLAGS:
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@ -1,13 +1,13 @@
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libfaultinjection_@GST_API_VERSION@_la_SOURCES = \
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plugin_LTLIBRARIES = libfaultinjection.la
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libfaultinjection_la_SOURCES = \
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socket_interposer.c
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libfaultinjection_@GST_API_VERSION@include_HEADERS = \
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noinst_HEADERS = \
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socket_interposer.h
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lib_LTLIBRARIES = libfaultinjection-@GST_API_VERSION@.la
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libfaultinjection_@GST_API_VERSION@_la_CFLAGS = $(GST_ALL_CFLAGS)
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libfaultinjection_@GST_API_VERSION@_la_LIBADD = $(GST_ALL_LIBS)
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libfaultinjection_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/faultinjection
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libfaultinjection_la_CFLAGS = $(GST_ALL_CFLAGS)
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libfaultinjection_la_LIBADD = $(GST_ALL_LIBS) $(top_builddir)/gst/validate/libgstvalidate-@GST_API_VERSION@.la
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libfaultinjection_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_ALL_LDFLAGS)
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CLEANFILES =
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@ -24,8 +24,13 @@
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#define _GNU_SOURCE
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "socket_interposer.h"
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#include <gst/validate/gst-validate-scenario.h>
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#include <gst/gst.h>
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#include "../gst/validate/gst-validate-scenario.h"
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#if defined(__gnu_linux__) && !defined(__ANDROID__) && !defined (ANDROID)
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@ -329,8 +334,8 @@ _execute_corrupt_socket_recv (GstValidateScenario * scenario,
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return GST_VALIDATE_EXECUTE_ACTION_ASYNC;
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}
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void
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socket_interposer_init (void)
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static gboolean
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socket_interposer_init (GstPlugin * plugin)
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{
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gst_validate_register_action_type ("corrupt-socket-recv", "fault-injector",
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_execute_corrupt_socket_recv, ((GstValidateActionParameter[]) {
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@ -347,13 +352,23 @@ socket_interposer_init (void)
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NULL}
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}),
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"corrupt the next socket receive", GST_VALIDATE_ACTION_TYPE_ASYNC);
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return TRUE;
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}
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#else /* No LD_PRELOAD tricks on Windows */
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void
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socket_interposer_init (void)
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static gboolean
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socket_interposer_init (GstPlugin * plugin)
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{
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return TRUE;
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}
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#endif
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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faultinjector,
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"Fault injector plugin for GstValidate",
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socket_interposer_init, VERSION, "LGPL", GST_PACKAGE_NAME,
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GST_PACKAGE_ORIGIN)
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@ -24,6 +24,4 @@
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#ifndef _SOCKET_INTERPOSER_H_
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#define _SOCKET_INTERPOSER_H_
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extern void socket_interposer_init(void);
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#endif /* _SOCKET_INTERPOSER_H_ */
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@ -46,14 +46,13 @@ noinst_HEADERS = \
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lib_LTLIBRARIES = libgstvalidate-@GST_API_VERSION@.la
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libgstvalidate_@GST_API_VERSION@_la_CFLAGS = $(GST_ALL_CFLAGS)\
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$(GIO_CFLAGS) $(GST_PBUTILS_CFLAGS) -I$(top_srcdir)/fault_injection
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$(GIO_CFLAGS) $(GST_PBUTILS_CFLAGS)
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libgstvalidate_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) \
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$(GST_LT_LDFLAGS) $(GIO_LDFLAGS) $(GST_PBUTILS_LDFAGS)
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libgstvalidate_@GST_API_VERSION@_la_LIBADD = \
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$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) \
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$(GST_ALL_LIBS) $(GIO_LIBS) $(GST_PBUTILS_LIBS) \
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$(GLIB_LIBS) $(LIBM)\
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$(FAULTINJECTION_LIBS)
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$(GLIB_LIBS) $(LIBM)
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libgstvalidate_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/validate
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@ -116,7 +115,6 @@ typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
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--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-base-@GST_API_VERSION@` \
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--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-controller-@GST_API_VERSION@` \
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--includedir=`$(PKG_CONFIG) --variable=girdir gio-2.0` \
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--shared-library=faultinjection-@GST_API_VERSION@ \
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$(INTROSPECTION_COMPILER_OPTS) $< -o $(@F)
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endif
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@ -45,7 +45,6 @@
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#include "gst-validate-utils.h"
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#include <gst/validate/gst-validate-override.h>
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#include <gst/validate/gst-validate-override-registry.h>
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#include <socket_interposer.h>
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#define GST_VALIDATE_SCENARIO_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), GST_TYPE_VALIDATE_SCENARIO, GstValidateScenarioPrivate))
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@ -2653,6 +2652,4 @@ init_scenarios (void)
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GST_VALIDATE_ACTION_TYPE_NONE);
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/* *INDENT-ON* */
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socket_interposer_init ();
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/* *INDENT-ON* */
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}
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@ -29,11 +29,129 @@
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# include "config.h"
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#endif
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/* For g_stat () */
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#include <glib/gstdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "validate.h"
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#include "gst-validate-internal.h"
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GST_DEBUG_CATEGORY (gstvalidate_debug);
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static gboolean
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gst_validate_scan_path_for_plugins (const gchar * path)
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{
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GDir *dir;
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const gchar *dirent;
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gchar *filename;
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GstPlugin *plugin;
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gboolean changed = FALSE;
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dir = g_dir_open (path, 0, NULL);
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if (!dir)
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return FALSE;
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while ((dirent = g_dir_read_name (dir))) {
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GStatBuf file_status;
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filename = g_build_filename (path, dirent, NULL);
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if (g_stat (filename, &file_status) < 0) {
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/* Plugin will be removed from cache after the scan completes if it
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* is still marked 'cached' */
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g_free (filename);
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continue;
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}
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if (!(file_status.st_mode & S_IFREG)) {
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g_free (filename);
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continue;
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}
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if (!g_str_has_suffix (dirent, G_MODULE_SUFFIX)) {
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GST_TRACE ("extension is not recognized as module file, ignoring file %s",
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filename);
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g_free (filename);
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continue;
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}
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plugin = gst_plugin_load_file (filename, NULL);
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if (plugin) {
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GST_DEBUG ("Plugin %s loaded", filename);
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gst_object_unref (plugin);
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}
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g_free (filename);
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}
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g_dir_close (dir);
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return changed;
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}
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static void
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gst_validate_init_plugins (void)
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{
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const gchar *plugin_path;
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plugin_path = g_getenv ("GST_VALIDATE_PLUGIN_PATH");
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if (plugin_path) {
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char **list;
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int i;
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GST_DEBUG ("GST_VALIDATE_PLUGIN_PATH set to %s", plugin_path);
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list = g_strsplit (plugin_path, G_SEARCHPATH_SEPARATOR_S, 0);
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for (i = 0; list[i]; i++) {
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gst_validate_scan_path_for_plugins (list[i]);
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}
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g_strfreev (list);
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} else {
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GST_DEBUG ("GST_VALIDATE_PLUGIN_PATH not set");
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}
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if (plugin_path == NULL) {
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char *home_plugins;
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/* plugins in the user's home directory take precedence over
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* system-installed ones */
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home_plugins = g_build_filename (g_get_user_data_dir (),
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"gstreamer-" GST_API_VERSION, "plugins", NULL);
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GST_DEBUG ("scanning home plugins %s", home_plugins);
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gst_validate_scan_path_for_plugins (home_plugins);
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g_free (home_plugins);
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/* add the main (installed) library path */
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#ifdef G_OS_WIN32
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{
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char *base_dir;
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char *dir;
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base_dir =
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g_win32_get_package_installation_directory_of_module
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(_priv_gst_dll_handle);
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dir = g_build_filename (base_dir,
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#ifdef _DEBUG
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"debug"
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#endif
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"lib", "gstreamer-" GST_API_VERSION, NULL);
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GST_DEBUG ("scanning DLL dir %s", dir);
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gst_validate_scan_path_for_plugins (dir);
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g_free (dir);
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g_free (base_dir);
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}
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#else
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gst_validate_scan_path_for_plugins (PLUGINDIR);
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#endif
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}
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}
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/**
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* gst_validate_init:
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*
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@ -55,4 +173,6 @@ gst_validate_init (void)
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/* Ensure we load overrides before any use of a monitor */
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gst_validate_override_registry_preload ();
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gst_validate_init_plugins ();
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}
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