tests: Add history api tests

updates: bz#1193929
Change-Id: Ic26ab5277f720c734f083150c1c541763dfa64aa
Signed-off-by: Kotresh HR <khiremat@redhat.com>

2 files changed, 117 insertions, 0 deletions

diff --git a/tests/utils/changelog/changelog.h b/tests/utils/changelog/changelog.h
index 969a1f370c2..1502b689eb4 100644
--- a/tests/utils/changelog/changelog.h
+++ b/tests/utils/changelog/changelog.h
@@ -116,4 +116,10 @@ int
 gf_history_changelog(char *changelog_dir, unsigned long start,
                      unsigned long end, int n_parallel,
                      unsigned long *actual_end);
+int
+gf_history_changelog_scan();
+ssize_t
+gf_history_changelog_next_change(char *bufptr, size_t maxlen);
+int
+gf_history_changelog_done(char *file);
 #endif
diff --git a/tests/utils/changelog/test-history-api.c b/tests/utils/changelog/test-history-api.c
new file mode 100644
index 00000000000..d78e387df10
--- /dev/null
+++ b/tests/utils/changelog/test-history-api.c
@@ -0,0 +1,111 @@
+/*
+   Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
+   This file is part of GlusterFS.
+
+   This file is licensed to you under your choice of the GNU Lesser
+   General Public License, version 3 or any later version (LGPLv3 or
+   later), or the GNU General Public License, version 2 (GPLv2), in all
+   cases as published by the Free Software Foundation.
+*/
+
+/**
+ * get set of new changes every 10 seconds (just print the file names)
+ *
+ * Compile it using:
+ *  gcc -o gethistory `pkg-config --cflags libgfchangelog` get-history.c \
+ *  `pkg-config --libs libgfchangelog`
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/un.h>
+#include <limits.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#include "changelog.h"
+
+int
+main(int argc, char **argv)
+{
+    int ret = 0;
+    int i = 0;
+    unsigned long end_ts = 0;
+    ssize_t nr_changes = 0;
+    ssize_t changes = 0;
+    int start = 0;
+    int end = 0;
+    char fbuf[PATH_MAX] = {
+        0,
+    };
+
+    ret = gf_changelog_init(NULL);
+    if (ret) {
+        printf("-1");
+        fflush(stdout);
+        return -1;
+    }
+
+    ret = gf_changelog_register("/d/backends/patchy0", "/tmp/scratch_v1",
+                                "/var/log/glusterfs/changes.log", 9, 5);
+    if (ret) {
+        printf("-2");
+        fflush(stdout);
+        return -1;
+    }
+
+    start = atoi(argv[1]);
+    end = atoi(argv[2]);
+
+    ret = gf_history_changelog("/d/backends/patchy0/.glusterfs/changelogs",
+                               start, end, 3, &end_ts);
+    if (ret < 0) {
+        printf("-3");
+        fflush(stdout);
+        return -1;
+    } else if (ret == 1) {
+        printf("1");
+        fflush(stdout);
+        return 0;
+    }
+
+    while (1) {
+        nr_changes = gf_history_changelog_scan();
+        if (nr_changes < 0) {
+            printf("-4");
+            fflush(stdout);
+            return -1;
+        }
+
+        if (nr_changes == 0) {
+            goto out;
+        }
+
+        while ((changes = gf_history_changelog_next_change(fbuf, PATH_MAX)) >
+               0) {
+            /* process changelog */
+            /* ... */
+            /* ... */
+            /* ... */
+            /* done processing */
+
+            ret = gf_history_changelog_done(fbuf);
+            if (ret) {
+                printf("-5");
+                fflush(stdout);
+                return -1;
+            }
+        }
+        if (changes == -1) {
+            printf("-6");
+            fflush(stdout);
+            return -1;
+        }
+    }
+
+out:
+    printf("0");
+    fflush(stdout);
+    return 0;
+}