tests: Add history api tests

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

5 files changed, 171 insertions, 0 deletions

diff --git a/tests/basic/changelog/changelog-history.t b/tests/basic/changelog/changelog-history.t
index 3ce40981c90..106e5db9211 100644
--- a/tests/basic/changelog/changelog-history.t
+++ b/tests/basic/changelog/changelog-history.t
@@ -82,5 +82,6 @@ EXPECT "0" $HISTORY_BIN_PATH/get-history $time_in_sec_htime1 $time_in_sec_htime2
 EXPECT "0" $HISTORY_BIN_PATH/get-history $time_in_sec_htime2 $time_after_disable
 
 TEST rm $HISTORY_BIN_PATH/get-history
+rm -rf /tmp/scratch_v1/*
 
 cleanup;
diff --git a/tests/basic/changelog/history-api.t b/tests/basic/changelog/history-api.t
new file mode 100644
index 00000000000..9e63118cef9
--- /dev/null
+++ b/tests/basic/changelog/history-api.t
@@ -0,0 +1,42 @@
+#!/bin/bash
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../env.rc
+
+cleanup;
+
+HISTORY_BIN_PATH=$(dirname $0)/../../utils/changelog
+build_tester $HISTORY_BIN_PATH/test-history-api.c -lgfchangelog
+
+CHANGELOG_PATH_0="$B0/${V0}0/.glusterfs/changelogs"
+ROLLOVER_TIME=2
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 $H0:$B0/${V0}0
+TEST $CLI volume set $V0 changelog.changelog on
+TEST $CLI volume set $V0 changelog.rollover-time $ROLLOVER_TIME
+TEST $CLI volume start $V0
+
+sleep 3
+start=$(date '+%s')
+
+TEST $GFS --volfile-id=$V0 --volfile-server=$H0 $M0;
+touch $M0/file{1..10}
+
+for i in {1..12};do echo "data" > $M0/file$i; sleep 1;done
+end=$(date '+%s')
+sleep 2
+
+#Passes as start and end falls in same htime file
+EXPECT "0" $HISTORY_BIN_PATH/test-history-api $start $end
+
+#Wait for changelogs to be in .processed directory
+sleep 2
+
+EXPECT "Y" processed_changelogs "/tmp/scratch_v1/.history/.processed"
+TEST rm $HISTORY_BIN_PATH/test-history-api
+rm -rf /tmp/scratch_v1
+
+cleanup;
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;
+}
diff --git a/tests/volume.rc b/tests/volume.rc
index af7690ba5ff..de99e7038f4 100644
--- a/tests/volume.rc
+++ b/tests/volume.rc
@@ -902,6 +902,17 @@ function check_changelog_op {
         $PYTHON $(dirname $0)/../../utils/changelogparser.py ${clog_path}/CHANGELOG | grep "$op" | wc -l
 }
 
+function processed_changelogs {
+        local processed_dir=$1
+        count=$(ls -l $processed_dir | grep CHANGELOG | wc -l)
+        if [ $count -gt 0 ];
+        then
+            echo "Y"
+        else
+            echo "N"
+        fi
+}
+
 function volgen_check_ancestry {
         #Returns Y if ancestor_xl is an ancestor of $child_xl according to the volfile
         local volfile="$1"