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libsysprof-capture: add file chunk frame type

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This commit is contained in:
Christian Hergert
2019-05-27 15:18:44 -07:00
parent 1940e45bf4
commit 7650d6e7c6
9 changed files with 277 additions and 14 deletions
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72
src/libsysprof-capture/sysprof-capture-writer.c
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@ -1349,3 +1349,75 @@ sysprof_capture_writer_add_log (SysprofCaptureWriter *self,
return TRUE;
}
gboolean
sysprof_capture_writer_add_file (SysprofCaptureWriter *self,
gint64 time,
gint cpu,
gint32 pid,
const gchar *path,
gboolean is_last,
const guint8 *data,
gsize data_len)
{
SysprofCaptureFileChunk *ev;
gsize len;
g_assert (self != NULL);
len = sizeof *ev + data_len;
ev = (SysprofCaptureFileChunk *)sysprof_capture_writer_allocate (self, &len);
if (!ev)
return FALSE;
sysprof_capture_writer_frame_init (&ev->frame,
len,
cpu,
pid,
time,
SYSPROF_CAPTURE_FRAME_FILE_CHUNK);
ev->padding1 = 0;
ev->is_last = !!is_last;
ev->len = data_len;
g_strlcpy (ev->path, path, sizeof ev->path);
memcpy (ev->data, data, data_len);
self->stat.frame_count[SYSPROF_CAPTURE_FRAME_FILE_CHUNK]++;
return TRUE;
}
gboolean
sysprof_capture_writer_add_file_fd (SysprofCaptureWriter *self,
gint64 time,
gint cpu,
gint32 pid,
const gchar *path,
gint fd)
{
guint8 data[(4096*4L) - sizeof(SysprofCaptureFileChunk)];
g_assert (self != NULL);
for (;;)
{
gboolean is_last;
gssize n_read;
again:
n_read = read (fd, data, sizeof data);
if (n_read < 0 && errno == EAGAIN)
goto again;
is_last = n_read == 0;
if (!sysprof_capture_writer_add_file (self, time, cpu, pid, path, is_last, data, n_read))
return FALSE;
if (is_last)
break;
}
return TRUE;
}