gem-graph-client/libide/threading/ide-simple-subprocess.c

436 lines
13 KiB
C

/* ide-simple-subprocess.c
*
* Copyright 2016-2019 Christian Hergert <chergert@redhat.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "ide-simple-subprocess"
#include "config.h"
#include <libide-core.h>
#include "ide-simple-subprocess-private.h"
static void subprocess_iface_init (IdeSubprocessInterface *iface);
G_DEFINE_TYPE_EXTENDED (IdeSimpleSubprocess, ide_simple_subprocess, G_TYPE_OBJECT, G_TYPE_FLAG_FINAL,
G_IMPLEMENT_INTERFACE (IDE_TYPE_SUBPROCESS, subprocess_iface_init))
static void
ide_simple_subprocess_finalize (GObject *object)
{
IdeSimpleSubprocess *self = (IdeSimpleSubprocess *)object;
IDE_ENTRY;
g_clear_object (&self->subprocess);
G_OBJECT_CLASS (ide_simple_subprocess_parent_class)->finalize (object);
IDE_EXIT;
}
static void
ide_simple_subprocess_class_init (IdeSimpleSubprocessClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = ide_simple_subprocess_finalize;
}
static void
ide_simple_subprocess_init (IdeSimpleSubprocess *self)
{
}
#define WRAP_INTERFACE_METHOD(name, ...) \
g_subprocess_##name(IDE_SIMPLE_SUBPROCESS(subprocess)->subprocess, ## __VA_ARGS__)
static const gchar *
ide_simple_subprocess_get_identifier (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_identifier);
}
static GInputStream *
ide_simple_subprocess_get_stdout_pipe (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_stdout_pipe);
}
static GInputStream *
ide_simple_subprocess_get_stderr_pipe (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_stderr_pipe);
}
static GOutputStream *
ide_simple_subprocess_get_stdin_pipe (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_stdin_pipe);
}
static gboolean
ide_simple_subprocess_wait (IdeSubprocess *subprocess,
GCancellable *cancellable,
GError **error)
{
return WRAP_INTERFACE_METHOD (wait, cancellable, error);
}
static void
ide_simple_subprocess_wait_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GSubprocess *subprocess = (GSubprocess *)object;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
IDE_ENTRY;
g_assert (G_IS_SUBPROCESS (subprocess));
g_assert (G_IS_TASK (task));
g_subprocess_wait_finish (subprocess, result, &error);
#ifdef IDE_ENABLE_TRACE
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
if (g_subprocess_get_if_exited (subprocess))
IDE_TRACE_MSG ("subprocess exited with exit status: %d",
g_subprocess_get_exit_status (subprocess));
else
IDE_TRACE_MSG ("subprocess exited due to signal: %d",
g_subprocess_get_term_sig (subprocess));
}
#endif
if (error != NULL)
g_task_return_error (task, g_steal_pointer (&error));
else
g_task_return_boolean (task, TRUE);
IDE_EXIT;
}
static void
ide_simple_subprocess_wait_async (IdeSubprocess *subprocess,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
IdeSimpleSubprocess *self = (IdeSimpleSubprocess *)subprocess;
g_autoptr(GTask) task = NULL;
IDE_ENTRY;
g_assert (IDE_IS_SIMPLE_SUBPROCESS (self));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_source_tag (task, ide_simple_subprocess_wait_async);
g_subprocess_wait_async (self->subprocess,
cancellable,
ide_simple_subprocess_wait_cb,
g_steal_pointer (&task));
IDE_EXIT;
}
static gboolean
ide_simple_subprocess_wait_finish (IdeSubprocess *subprocess,
GAsyncResult *result,
GError **error)
{
gboolean ret;
IDE_ENTRY;
g_assert (IDE_IS_SIMPLE_SUBPROCESS (subprocess));
g_assert (G_IS_TASK (result));
ret = g_task_propagate_boolean (G_TASK (result), error);
IDE_RETURN (ret);
}
static gboolean
ide_simple_subprocess_get_successful (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_successful);
}
static gboolean
ide_simple_subprocess_get_if_exited (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_if_exited);
}
static gint
ide_simple_subprocess_get_exit_status (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_exit_status);
}
static gboolean
ide_simple_subprocess_get_if_signaled (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_if_signaled);
}
static gint
ide_simple_subprocess_get_term_sig (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_term_sig);
}
static gint
ide_simple_subprocess_get_status (IdeSubprocess *subprocess)
{
return WRAP_INTERFACE_METHOD (get_status);
}
static void
ide_simple_subprocess_send_signal (IdeSubprocess *subprocess,
gint signal_num)
{
IDE_ENTRY;
WRAP_INTERFACE_METHOD (send_signal, signal_num);
IDE_EXIT;
}
static void
ide_simple_subprocess_force_exit (IdeSubprocess *subprocess)
{
IDE_ENTRY;
WRAP_INTERFACE_METHOD (force_exit);
IDE_EXIT;
}
static gboolean
ide_simple_subprocess_communicate (IdeSubprocess *subprocess,
GBytes *stdin_buf,
GCancellable *cancellable,
GBytes **stdout_buf,
GBytes **stderr_buf,
GError **error)
{
return WRAP_INTERFACE_METHOD (communicate, stdin_buf, cancellable, stdout_buf, stderr_buf, error);
}
static gboolean
ide_simple_subprocess_communicate_utf8 (IdeSubprocess *subprocess,
const gchar *stdin_buf,
GCancellable *cancellable,
gchar **stdout_buf,
gchar **stderr_buf,
GError **error)
{
return WRAP_INTERFACE_METHOD (communicate_utf8, stdin_buf, cancellable, stdout_buf, stderr_buf, error);
}
static void
free_object_pair (gpointer data)
{
gpointer *pair = data;
g_clear_object (&pair[0]);
g_clear_object (&pair[1]);
g_free (pair);
}
static void
ide_simple_subprocess_communicate_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GSubprocess *subprocess = (GSubprocess *)object;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
g_autoptr(GBytes) stdout_buf = NULL;
g_autoptr(GBytes) stderr_buf = NULL;
gpointer *data;
if (!g_subprocess_communicate_finish (subprocess, result, &stdout_buf, &stderr_buf, &error))
{
g_task_return_error (task, g_steal_pointer (&error));
return;
}
data = g_new0 (gpointer, 2);
data[0] = g_steal_pointer (&stdout_buf);
data[1] = g_steal_pointer (&stderr_buf);
g_task_return_pointer (task, data, free_object_pair);
}
static void
ide_simple_subprocess_communicate_async (IdeSubprocess *subprocess,
GBytes *stdin_buf,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
IdeSimpleSubprocess *self = (IdeSimpleSubprocess *)subprocess;
GTask *task = g_task_new (self, cancellable, callback, user_data);
g_subprocess_communicate_async (self->subprocess, stdin_buf, cancellable, ide_simple_subprocess_communicate_cb, task);
}
static gboolean
ide_simple_subprocess_communicate_finish (IdeSubprocess *subprocess,
GAsyncResult *result,
GBytes **stdout_buf,
GBytes **stderr_buf,
GError **error)
{
gpointer *pair;
pair = g_task_propagate_pointer (G_TASK (result), error);
if (pair != NULL)
{
if (stdout_buf != NULL)
*stdout_buf = g_steal_pointer (&pair[0]);
if (stderr_buf != NULL)
*stderr_buf = g_steal_pointer (&pair[1]);
free_object_pair (pair);
return TRUE;
}
return FALSE;
}
static void
ide_simple_subprocess_communicate_utf8_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GSubprocess *subprocess = (GSubprocess *)object;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
g_autofree gchar *stdout_buf = NULL;
g_autofree gchar *stderr_buf = NULL;
gpointer *data;
if (!g_subprocess_communicate_utf8_finish (subprocess, result, &stdout_buf, &stderr_buf, &error))
{
g_task_return_error (task, g_steal_pointer (&error));
return;
}
data = g_new0 (gpointer, 2);
data[0] = g_steal_pointer (&stdout_buf);
data[1] = g_steal_pointer (&stderr_buf);
g_task_return_pointer (task, data, free_object_pair);
}
static void
ide_simple_subprocess_communicate_utf8_async (IdeSubprocess *subprocess,
const gchar *stdin_buf,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
IdeSimpleSubprocess *self = (IdeSimpleSubprocess *)subprocess;
GTask *task = g_task_new (self, cancellable, callback, user_data);
g_subprocess_communicate_utf8_async (self->subprocess, stdin_buf, cancellable, ide_simple_subprocess_communicate_utf8_cb, task);
}
static gboolean
ide_simple_subprocess_communicate_utf8_finish (IdeSubprocess *subprocess,
GAsyncResult *result,
gchar **stdout_buf,
gchar **stderr_buf,
GError **error)
{
gpointer *pair;
pair = g_task_propagate_pointer (G_TASK (result), error);
if (pair != NULL)
{
if (stdout_buf != NULL)
*stdout_buf = g_steal_pointer (&pair[0]);
if (stderr_buf != NULL)
*stderr_buf = g_steal_pointer (&pair[1]);
g_free (pair[0]);
g_free (pair[1]);
g_free (pair);
return TRUE;
}
return FALSE;
}
static void
subprocess_iface_init (IdeSubprocessInterface *iface)
{
iface->get_identifier = ide_simple_subprocess_get_identifier;
iface->get_stdout_pipe = ide_simple_subprocess_get_stdout_pipe;
iface->get_stderr_pipe = ide_simple_subprocess_get_stderr_pipe;
iface->get_stdin_pipe = ide_simple_subprocess_get_stdin_pipe;
iface->wait = ide_simple_subprocess_wait;
iface->wait_async = ide_simple_subprocess_wait_async;
iface->wait_finish = ide_simple_subprocess_wait_finish;
iface->get_successful = ide_simple_subprocess_get_successful;
iface->get_if_exited = ide_simple_subprocess_get_if_exited;
iface->get_exit_status = ide_simple_subprocess_get_exit_status;
iface->get_if_signaled = ide_simple_subprocess_get_if_signaled;
iface->get_term_sig = ide_simple_subprocess_get_term_sig;
iface->get_status = ide_simple_subprocess_get_status;
iface->send_signal = ide_simple_subprocess_send_signal;
iface->force_exit = ide_simple_subprocess_force_exit;
iface->communicate = ide_simple_subprocess_communicate;
iface->communicate_utf8 = ide_simple_subprocess_communicate_utf8;
iface->communicate_async = ide_simple_subprocess_communicate_async;
iface->communicate_finish = ide_simple_subprocess_communicate_finish;
iface->communicate_utf8_async = ide_simple_subprocess_communicate_utf8_async;
iface->communicate_utf8_finish = ide_simple_subprocess_communicate_utf8_finish;
}
/**
* ide_simple_subprocess_new:
*
* Creates a new #IdeSimpleSubprocess wrapping the #GSubprocess.
*
* Returns: (transfer full): A new #IdeSubprocess
*
* Since: 3.32
*/
IdeSubprocess *
ide_simple_subprocess_new (GSubprocess *subprocess)
{
IdeSimpleSubprocess *ret;
g_return_val_if_fail (G_IS_SUBPROCESS (subprocess), NULL);
ret = g_object_new (IDE_TYPE_SIMPLE_SUBPROCESS, NULL);
ret->subprocess = g_object_ref (subprocess);
return IDE_SUBPROCESS (ret);
}