Track backup and restore progress
Track backup and restore progress based on the sizes of the files
as they are being added to the tar backup file. Update the
progress bar based on the sizes of the files.
Change-Id: Idf649efa1db3e91830b4b2add86203a3f30042ff
diff --git a/libtar/extract.c b/libtar/extract.c
index 4526c98..e605aca 100644
--- a/libtar/extract.c
+++ b/libtar/extract.c
@@ -94,7 +94,7 @@
/* switchboard */
int
-tar_extract_file(TAR *t, char *realname, char *prefix)
+tar_extract_file(TAR *t, char *realname, char *prefix, const int *progress_fd)
{
int i;
char *lnp;
@@ -141,7 +141,7 @@
}
else /* if (TH_ISREG(t)) */ {
printf("reg\n");
- i = tar_extract_regfile(t, realname);
+ i = tar_extract_regfile(t, realname, progress_fd);
}
if (i != 0) {
@@ -189,7 +189,7 @@
/* extract regular file */
int
-tar_extract_regfile(TAR *t, char *realname)
+tar_extract_regfile(TAR *t, char *realname, const int *progress_fd)
{
//mode_t mode;
size_t size;
@@ -285,6 +285,11 @@
printf("### done extracting %s\n", filename);
#endif
+ if (*progress_fd != 0) {
+ unsigned long long file_size = (unsigned long long)(size);
+ write(*progress_fd, &file_size, sizeof(file_size));
+ }
+
return 0;
}
diff --git a/libtar/libtar.h b/libtar/libtar.h
index 91523d0..e3154ae 100644
--- a/libtar/libtar.h
+++ b/libtar/libtar.h
@@ -226,7 +226,7 @@
/***** extract.c ***********************************************************/
/* sequentially extract next file from t */
-int tar_extract_file(TAR *t, char *realname, char *prefix);
+int tar_extract_file(TAR *t, char *realname, char *prefix, const int *progress_fd);
/* extract different file types */
int tar_extract_dir(TAR *t, char *realname);
@@ -237,7 +237,7 @@
int tar_extract_fifo(TAR *t, char *realname);
/* for regfiles, we need to extract the content blocks as well */
-int tar_extract_regfile(TAR *t, char *realname);
+int tar_extract_regfile(TAR *t, char *realname, const int *progress_fd);
int tar_skip_regfile(TAR *t);
@@ -294,7 +294,7 @@
/* extract groups of files */
int tar_extract_glob(TAR *t, char *globname, char *prefix);
-int tar_extract_all(TAR *t, char *prefix);
+int tar_extract_all(TAR *t, char *prefix, const int *progress_fd);
/* add a whole tree of files */
int tar_append_tree(TAR *t, char *realdir, char *savedir, char *exclude);
diff --git a/libtar/wrapper.c b/libtar/wrapper.c
index 708c845..82f045f 100644
--- a/libtar/wrapper.c
+++ b/libtar/wrapper.c
@@ -27,7 +27,7 @@
{
char *filename;
char buf[MAXPATHLEN];
- int i;
+ int i, fd = 0;
while ((i = th_read(t)) == 0)
{
@@ -44,7 +44,7 @@
snprintf(buf, sizeof(buf), "%s/%s", prefix, filename);
else
strlcpy(buf, filename, sizeof(buf));
- if (tar_extract_file(t, filename, prefix) != 0)
+ if (tar_extract_file(t, filename, prefix, &fd) != 0)
return -1;
}
@@ -53,7 +53,7 @@
int
-tar_extract_all(TAR *t, char *prefix)
+tar_extract_all(TAR *t, char *prefix, const int *progress_fd)
{
char *filename;
char buf[MAXPATHLEN];
@@ -80,7 +80,7 @@
"\"%s\")\n", buf);
#endif
printf("item name: '%s'\n", filename);
- if (tar_extract_file(t, buf, prefix) != 0)
+ if (tar_extract_file(t, buf, prefix, progress_fd) != 0)
return -1;
}
return (i == 1 ? 0 : -1);