mirror of
https://github.com/varun-r-mallya/sysprof.git
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d2471d4bf5
This is based on a debuginfod_client provided by Barnabás Pőcze in !73. It extends it to use the new task infrastructure to elevate the download process to the user while loading a capture file.
132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/*
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* sysprof-debuginfod-task.c
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*
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* Copyright 2024 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include <glib/gstdio.h>
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#include <glib/gi18n.h>
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#include <gio/gio.h>
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#include "sysprof-debuginfod-task-private.h"
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struct _SysprofDebuginfodTask
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{
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SysprofDocumentTask parent_instance;
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};
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G_DEFINE_FINAL_TYPE (SysprofDebuginfodTask, sysprof_debuginfod_task, SYSPROF_TYPE_DOCUMENT_TASK)
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static void
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sysprof_debuginfod_task_class_init (SysprofDebuginfodTaskClass *klass)
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{
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}
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static void
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sysprof_debuginfod_task_init (SysprofDebuginfodTask *self)
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{
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}
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SysprofDebuginfodTask *
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sysprof_debuginfod_task_new (void)
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{
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return g_object_new (SYSPROF_TYPE_DEBUGINFOD_TASK, NULL);
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}
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static int
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sysprof_debuginfod_task_progress_cb (debuginfod_client *client,
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long a,
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long b)
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{
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SysprofDocumentTask *task = debuginfod_get_user_data (client);
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double progress;
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g_assert (client != NULL);
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g_assert (SYSPROF_IS_DEBUGINFOD_TASK (task));
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if (b > 0)
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progress = (double)a / (double)b;
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else
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progress = 0;
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_sysprof_document_task_set_progress (task, progress);
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if (sysprof_document_task_is_cancelled (task))
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return -1;
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return 0;
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}
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SysprofElf *
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sysprof_debuginfod_task_find_debuginfo (SysprofDebuginfodTask *self,
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debuginfod_client *client,
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const char *path,
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const char *build_id_string,
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GError **error)
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{
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g_autoptr(GMappedFile) mapped_file = NULL;
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g_autoptr(SysprofElf) debuginfo_elf = NULL;
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g_autofd int fd = -1;
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char *debuginfo_path = NULL;
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g_return_val_if_fail (SYSPROF_IS_DEBUGINFOD_TASK (self), NULL);
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g_return_val_if_fail (client != NULL, NULL);
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g_return_val_if_fail (build_id_string != NULL, NULL);
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debuginfod_set_user_data (client, self);
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debuginfod_set_progressfn (client, sysprof_debuginfod_task_progress_cb);
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_sysprof_document_task_set_title (SYSPROF_DOCUMENT_TASK (self), _("Downloading Symbols…"));
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_sysprof_document_task_take_message (SYSPROF_DOCUMENT_TASK (self), g_strdup (path));
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fd = debuginfod_find_debuginfo (client,
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(const unsigned char *)build_id_string, 0,
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&debuginfo_path);
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if (fd < 0)
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{
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if (error != NULL)
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{
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int errsv = errno;
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g_set_error_literal (error,
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G_IO_ERROR,
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g_io_error_from_errno (errsv),
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g_strerror (errsv));
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}
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goto failure;
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}
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if (!(mapped_file = g_mapped_file_new_from_fd (fd, FALSE, error)))
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goto failure;
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if (!(debuginfo_elf = sysprof_elf_new (debuginfo_path, g_steal_pointer (&mapped_file), 0, error)))
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goto failure;
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failure:
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free (debuginfo_path);
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debuginfod_set_user_data (client, NULL);
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debuginfod_set_progressfn (client, NULL);
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return g_steal_pointer (&debuginfo_elf);
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}
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