/* sysprof-process-model-item.c * * Copyright 2016-2019 Christian Hergert * * 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 . * * SPDX-License-Identifier: GPL-3.0-or-later */ #define G_LOG_DOMAIN "sp-process-model-item" #include "config.h" #include #include "sysprof-process-model-item.h" #ifdef __linux__ # include "sysprof-proc-source.h" #endif struct _SysprofProcessModelItem { GObject parent_instance; GPid pid; gchar *command_line; /* Short version (first field) */ gchar **argv; /* Long version (argv as a strv) */ guint is_kernel : 1; }; G_DEFINE_TYPE (SysprofProcessModelItem, sysprof_process_model_item, G_TYPE_OBJECT) enum { PROP_0, PROP_COMMAND_LINE, PROP_PID, N_PROPS }; static GParamSpec *properties [N_PROPS]; static void sysprof_process_model_item_finalize (GObject *object) { SysprofProcessModelItem *self = (SysprofProcessModelItem *)object; g_clear_pointer (&self->command_line, g_free); g_clear_pointer (&self->argv, g_strfreev); G_OBJECT_CLASS (sysprof_process_model_item_parent_class)->finalize (object); } static void sysprof_process_model_item_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { SysprofProcessModelItem *self = SYSPROF_PROCESS_MODEL_ITEM (object); switch (prop_id) { case PROP_COMMAND_LINE: g_value_set_string (value, self->command_line); break; case PROP_PID: g_value_set_int (value, self->pid); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } static void sysprof_process_model_item_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { SysprofProcessModelItem *self = SYSPROF_PROCESS_MODEL_ITEM (object); switch (prop_id) { case PROP_COMMAND_LINE: self->command_line = g_value_dup_string (value); break; case PROP_PID: self->pid = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } static void sysprof_process_model_item_class_init (SysprofProcessModelItemClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = sysprof_process_model_item_finalize; object_class->get_property = sysprof_process_model_item_get_property; object_class->set_property = sysprof_process_model_item_set_property; properties [PROP_COMMAND_LINE] = g_param_spec_string ("command-line", "Command Line", "Command Line", NULL, (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); properties [PROP_PID] = g_param_spec_int ("pid", "Pid", "Pid", -1, G_MAXINT, -1, (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); g_object_class_install_properties (object_class, N_PROPS, properties); } static void sysprof_process_model_item_init (SysprofProcessModelItem *self) { } SysprofProcessModelItem * sysprof_process_model_item_new_from_variant (GVariant *info) { SysprofProcessModelItem *ret; GVariantDict dict; const gchar *cmdline; g_return_val_if_fail (info != NULL, NULL); g_return_val_if_fail (g_variant_is_of_type (info, G_VARIANT_TYPE_VARDICT), NULL); ret = g_object_new (SYSPROF_TYPE_PROCESS_MODEL_ITEM, NULL); g_variant_dict_init (&dict, info); if (g_variant_dict_lookup (&dict, "cmdline", "&s", &cmdline) && *cmdline) { if (g_shell_parse_argv (cmdline, NULL, &ret->argv, NULL)) ret->command_line = g_strdup (ret->argv[0]); } else if (g_variant_dict_lookup (&dict, "comm", "&s", &cmdline)) { ret->argv = g_new0 (gchar *, 2); ret->argv[0] = g_strdup (cmdline); ret->is_kernel = TRUE; } g_variant_dict_lookup (&dict, "pid", "i", &ret->pid); g_variant_dict_clear (&dict); return g_steal_pointer (&ret); } guint sysprof_process_model_item_hash (SysprofProcessModelItem *self) { g_return_val_if_fail (SYSPROF_IS_PROCESS_MODEL_ITEM (self), 0); return self->pid; } gboolean sysprof_process_model_item_equal (SysprofProcessModelItem *self, SysprofProcessModelItem *other) { g_assert (SYSPROF_IS_PROCESS_MODEL_ITEM (self)); g_assert (SYSPROF_IS_PROCESS_MODEL_ITEM (other)); return ((self->pid == other->pid) && (g_strcmp0 (self->command_line, other->command_line) == 0)); } GPid sysprof_process_model_item_get_pid (SysprofProcessModelItem *self) { g_return_val_if_fail (SYSPROF_IS_PROCESS_MODEL_ITEM (self), 0); return self->pid; } const gchar * sysprof_process_model_item_get_command_line (SysprofProcessModelItem *self) { g_return_val_if_fail (SYSPROF_IS_PROCESS_MODEL_ITEM (self), NULL); return self->command_line; } gboolean sysprof_process_model_item_is_kernel (SysprofProcessModelItem *self) { g_return_val_if_fail (SYSPROF_IS_PROCESS_MODEL_ITEM (self), FALSE); return self->is_kernel; } const gchar * const * sysprof_process_model_item_get_argv (SysprofProcessModelItem *self) { g_autofree gchar *contents = NULL; g_autofree gchar *path = NULL; const gchar *pos; const gchar *endptr; GPtrArray *ar; gsize size = 0; GPid pid; g_return_val_if_fail (SYSPROF_IS_PROCESS_MODEL_ITEM (self), NULL); if (self->argv) return (const gchar * const *)self->argv; if ((pid = sysprof_process_model_item_get_pid (self)) < 0) return NULL; path = g_strdup_printf ("/proc/%u/cmdline", (guint)pid); if (!g_file_get_contents (path, &contents, &size, NULL)) return NULL; ar = g_ptr_array_new (); /* Each parameter is followed by \0 */ for (pos = contents, endptr = contents + size; pos < endptr; pos += strlen (pos) + 1) g_ptr_array_add (ar, g_strdup (pos)); g_ptr_array_add (ar, NULL); g_clear_pointer (&self->argv, g_strfreev); self->argv = (gchar **)g_ptr_array_free (ar, FALSE); return (const gchar * const *)self->argv; }