diff --git a/ci/run.py b/ci/run.py
index ab412f8..13d8bca 100755
--- a/ci/run.py
+++ b/ci/run.py
@@ -190,7 +190,6 @@ def fetch_and_build():
 
     libsearpc.compile_and_install()
     libevhtp.compile_and_install()
-    ccnet.compile_and_install()
     seafile.compile_and_install()
 
 
diff --git a/ci/serverctl.py b/ci/serverctl.py
index 76f0bc0..d25de9a 100755
--- a/ci/serverctl.py
+++ b/ci/serverctl.py
@@ -50,16 +50,8 @@ class ServerCtl(object):
         self.init_seafile()
 
     def init_ccnet(self):
-        cmd = [
-            'ccnet-init',
-            '-F',
-            self.central_conf_dir,
-            '-c',
-            self.ccnet_conf_dir,
-            '--host',
-            'test.seafile.com',
-        ]
-        shell(cmd)
+        os.mkdir (self.central_conf_dir, 0o755)
+        os.mkdir (self.ccnet_conf_dir, 0o755)
         if self.db == 'mysql':
             self.add_ccnet_db_conf()
         else:
diff --git a/common/common.h b/common/common.h
index 2b289c4..eac21e9 100644
--- a/common/common.h
+++ b/common/common.h
@@ -53,4 +53,6 @@
 #define ccnet_debug(fmt, ...) g_debug(fmt, ##__VA_ARGS__)
 #endif
 
+#define DEFAULT_CONFIG_DIR "~/.ccnet"
+
 #endif
diff --git a/common/fs-mgr.c b/common/fs-mgr.c
index eeaf93a..6c0517e 100644
--- a/common/fs-mgr.c
+++ b/common/fs-mgr.c
@@ -2,8 +2,6 @@
 
 #include "common.h"
 
-#include <ccnet.h>
-
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <dirent.h>
diff --git a/common/group-mgr.c b/common/group-mgr.c
index 36daa30..e5238ab 100644
--- a/common/group-mgr.c
+++ b/common/group-mgr.c
@@ -2,8 +2,6 @@
 
 #include "common.h"
 
-#include <ccnet/ccnet-object.h>
-
 #include "seafile-session.h"
 #include "seaf-db.h"
 #include "group-mgr.h"
diff --git a/common/mq-mgr.h b/common/mq-mgr.h
index 443d3d1..d300141 100644
--- a/common/mq-mgr.h
+++ b/common/mq-mgr.h
@@ -1,6 +1,8 @@
 #ifndef SEAF_MQ_MANAGER_H
 #define SEAF_MQ_MANAGER_H
 
+#include <jansson.h>
+
 #define SEAFILE_SERVER_CHANNEL_EVENT "seaf_server.event"
 #define SEAFILE_SERVER_CHANNEL_STATS "seaf_server.stats"
 
diff --git a/common/org-mgr.c b/common/org-mgr.c
index 6b395c7..0b336ef 100644
--- a/common/org-mgr.c
+++ b/common/org-mgr.c
@@ -2,8 +2,6 @@
 
 #include "common.h"
 
-#include <ccnet/ccnet-object.h>
-
 #include "seafile-session.h"
 #include "seaf-db.h"
 #include "org-mgr.h"
diff --git a/common/rpc-service.c b/common/rpc-service.c
index 2f2f7cf..ae3b448 100644
--- a/common/rpc-service.c
+++ b/common/rpc-service.c
@@ -6,7 +6,6 @@
 
 #include <sys/stat.h>
 #include <dirent.h>
-#include <ccnet.h>
 #include "utils.h"
 
 #include "seafile-session.h"
diff --git a/common/user-mgr.c b/common/user-mgr.c
index bcb7950..8629897 100644
--- a/common/user-mgr.c
+++ b/common/user-mgr.c
@@ -5,7 +5,6 @@
 #include <sys/stat.h>
 #include <dirent.h>
 
-#include <ccnet/ccnet-object.h>
 #include "utils.h"
 
 #include "seafile-session.h"
diff --git a/common/user-mgr.h b/common/user-mgr.h
index ebe8a81..b747f21 100644
--- a/common/user-mgr.h
+++ b/common/user-mgr.h
@@ -5,7 +5,6 @@
 
 #include <glib.h>
 #include <glib-object.h>
-#include <ccnet/ccnet-object.h>
 
 #define CCNET_TYPE_USER_MANAGER                  (ccnet_user_manager_get_type ())
 #define CCNET_USER_MANAGER(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), CCNET_TYPE_USER_MANAGER, CcnetUserManager))
diff --git a/configure.ac b/configure.ac
index 9a93a00..ce44fff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -189,7 +189,6 @@ AC_SUBST(LIB_ICONV)
 
 LIBEVENT_REQUIRED=2.0
 GLIB_REQUIRED=2.16.0
-CCNET_REQUIRED=0.9.3
 SEARPC_REQUIRED=1.0
 JANSSON_REQUIRED=2.2.1
 ZDB_REQUIRED=2.10
@@ -210,10 +209,6 @@ PKG_CHECK_MODULES(GOBJECT, [gobject-2.0 >= $GLIB_REQUIRED])
 AC_SUBST(GOBJECT_CFLAGS)
 AC_SUBST(GOBJECT_LIBS)
 
-PKG_CHECK_MODULES(CCNET, [libccnet >= $CCNET_REQUIRED])
-AC_SUBST(CCNET_CFLAGS)
-AC_SUBST(CCNET_LIBS)
-
 PKG_CHECK_MODULES(SEARPC, [libsearpc >= $SEARPC_REQUIRED])
 AC_SUBST(SEARPC_CFLAGS)
 AC_SUBST(SEARPC_LIBS)
diff --git a/controller/Makefile.am b/controller/Makefile.am
index ad85b35..3c71aea 100644
--- a/controller/Makefile.am
+++ b/controller/Makefile.am
@@ -6,7 +6,6 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_builddir)/lib \
 	-I$(top_srcdir)/common \
-	@CCNET_CFLAGS@ \
 	@SEARPC_CFLAGS@ \
 	@GLIB2_CFLAGS@ \
 	-Wall
@@ -15,7 +14,6 @@ noinst_HEADERS = seafile-controller.h ../common/log.h
 
 seafile_controller_SOURCES = seafile-controller.c ../common/log.c
 
-seafile_controller_LDADD = @CCNET_LIBS@ \
-	$(top_builddir)/lib/libseafile_common.la \
+seafile_controller_LDADD = $(top_builddir)/lib/libseafile_common.la \
 	@GLIB2_LIBS@  @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ @LIBEVENT_LIBS@ \
 	@SEARPC_LIBS@ @JANSSON_LIBS@ @ZLIB_LIBS@
diff --git a/controller/seafile-controller.c b/controller/seafile-controller.c
index 3dde027..63753a7 100644
--- a/controller/seafile-controller.c
+++ b/controller/seafile-controller.c
@@ -11,7 +11,6 @@
 #include <getopt.h>
 
 #include <glib.h>
-#include <ccnet.h>
 
 #include "utils.h"
 #include "log.h"
diff --git a/controller/seafile-controller.h b/controller/seafile-controller.h
index d4bbe35..1b4403e 100644
--- a/controller/seafile-controller.h
+++ b/controller/seafile-controller.h
@@ -44,10 +44,6 @@ struct _SeafileController {
     char *rpc_pipe_path;
     char *logdir;
 
-    CcnetClient         *client;
-    CcnetClient         *sync_client;
-    CcnetMqclientProc   *mqclient_proc;
-
     guint               check_process_timer;
     guint               client_io_id;
     /* Decide whether to start seaf-server in cloud mode  */
diff --git a/fuse/Makefile.am b/fuse/Makefile.am
index a1b33e3..3f3f176 100644
--- a/fuse/Makefile.am
+++ b/fuse/Makefile.am
@@ -5,7 +5,6 @@ AM_CFLAGS = -DPKGDATADIR=\"$(pkgdatadir)\" \
 	-I$(top_srcdir)/lib \
 	-I$(top_builddir)/lib \
 	-I$(top_srcdir)/common \
-	@CCNET_CFLAGS@ \
 	@SEARPC_CFLAGS@ \
 	@GLIB2_CFLAGS@ \
 	@FUSE_CFLAGS@ \
@@ -39,8 +38,7 @@ seaf_fuse_SOURCES = seaf-fuse.c \
                     ../common/obj-backend-riak.c \
                     ../common/seafile-crypt.c
 
-seaf_fuse_LDADD = @CCNET_LIBS@ \
-		  @GLIB2_LIBS@ @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ \
+seaf_fuse_LDADD = @GLIB2_LIBS@ @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ \
                   -lsqlite3 @LIBEVENT_LIBS@ \
 		  $(top_builddir)/common/cdc/libcdc.la \
 		  @SEARPC_LIBS@ @JANSSON_LIBS@ @FUSE_LIBS@ @ZLIB_LIBS@ \
diff --git a/fuse/file.c b/fuse/file.c
index ce7696a..ef83ed3 100644
--- a/fuse/file.c
+++ b/fuse/file.c
@@ -6,7 +6,6 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include <ccnet.h>
 #include <seaf-db.h>
 
 #include "log.h"
diff --git a/fuse/getattr.c b/fuse/getattr.c
index 60ec437..a91799a 100644
--- a/fuse/getattr.c
+++ b/fuse/getattr.c
@@ -6,8 +6,6 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
 #include <seaf-db.h>
 
 #include "log.h"
diff --git a/fuse/readdir.c b/fuse/readdir.c
index 2e17f67..fe689c1 100644
--- a/fuse/readdir.c
+++ b/fuse/readdir.c
@@ -6,8 +6,6 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
 #include <seaf-db.h>
 
 #include "log.h"
diff --git a/fuse/repo-mgr.c b/fuse/repo-mgr.c
index 0165a54..36ec1fb 100644
--- a/fuse/repo-mgr.c
+++ b/fuse/repo-mgr.c
@@ -3,7 +3,6 @@
 #include "common.h"
 #include <glib/gstdio.h>
 
-#include <ccnet.h>
 #include "utils.h"
 #include "log.h"
 
diff --git a/fuse/seaf-fuse.c b/fuse/seaf-fuse.c
index b5d36e4..de9825d 100644
--- a/fuse/seaf-fuse.c
+++ b/fuse/seaf-fuse.c
@@ -10,7 +10,6 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include <ccnet.h>
 #include <seaf-db.h>
 
 #include "log.h"
diff --git a/fuse/seafile-session.c b/fuse/seafile-session.c
index 469c3e3..c627347 100644
--- a/fuse/seafile-session.c
+++ b/fuse/seafile-session.c
@@ -4,7 +4,6 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-#include <ccnet.h>
 #include <utils.h>
 #include <locale.h>
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 88df2e9..3bbacf6 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -5,7 +5,6 @@ pkgconfigdir = $(libdir)/pkgconfig
 AM_CPPFLAGS = @GLIB2_CFLAGS@ -I$(top_srcdir)/include \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/common \
-	@CCNET_CFLAGS@ \
 	@SEARPC_CFLAGS@ \
 	@MSVC_CFLAGS@ \
 	-Wall
@@ -14,7 +13,7 @@ BUILT_SOURCES = gensource
 
 ## source file rules
 seafile_object_define = repo.vala commit.vala dirent.vala dir.vala \
-	task.vala branch.vala crypt.vala webaccess.vala copy-task.vala
+	task.vala branch.vala crypt.vala webaccess.vala copy-task.vala ccnetobj.vala
 
 seafile_object_gen = $(seafile_object_define:.vala=.c)
 
@@ -22,7 +21,7 @@ valac_gen = ${seafile_object_gen} seafile-object.h
 
 EXTRA_DIST = ${seafile_object_define} rpc_table.py $(pcfiles) vala.stamp
 
-utils_headers = net.h bloom-filter.h utils.h db.h
+utils_headers = net.h bloom-filter.h utils.h db.h job-mgr.h timer.h
 
 utils_srcs = $(utils_headers:.h=.c)
 
diff --git a/lib/ccnetobj.vala b/lib/ccnetobj.vala
new file mode 100644
index 0000000..9c3c583
--- /dev/null
+++ b/lib/ccnetobj.vala
@@ -0,0 +1,49 @@
+
+
+namespace Ccnet {
+
+
+public class EmailUser : Object {
+
+    public int id { get; set; }
+    public string email { get; set; }
+    public bool is_staff { get; set; }
+    public bool is_active { get; set; }
+    public int64 ctime { get; set; }
+    public string source { get; set; }
+    public string role { get; set; }
+    public string password { get; set; }
+    public string reference_id { get; set; }
+}
+
+public class Group : Object {
+
+    public int id { get; set; }
+    public string group_name { get; set; }
+    public string creator_name { get; set; }
+    public int64 timestamp { get; set; }
+    public string source { get; set; }
+    public int parent_group_id { get; set; }
+
+}
+
+public class GroupUser : Object {
+
+    public int group_id { get; set; }
+    public string user_name { get; set; }
+    public int is_staff { get; set; }
+}
+
+public class Organization : Object {
+
+   public int org_id { get; set; }
+   public string email { get; set; }
+   public int is_staff { get; set; }
+   public string org_name { get; set; }
+   public string url_prefix { get; set; }
+   public string creator { get; set; }
+   public int64 ctime { get; set; }
+   
+}
+
+} // namespace
diff --git a/lib/include.h b/lib/include.h
index 63f3ac6..b85703e 100644
--- a/lib/include.h
+++ b/lib/include.h
@@ -9,7 +9,6 @@
 #include <glib.h>
 
 #include "utils.h"
-#include <ccnet/valid-check.h>
 
 #ifndef ccnet_warning
   #define ccnet_warning(fmt, ...) g_warning( "%s: " fmt,  __func__ , ##__VA_ARGS__)
diff --git a/lib/job-mgr.c b/lib/job-mgr.c
new file mode 100644
index 0000000..63ec23a
--- /dev/null
+++ b/lib/job-mgr.c
@@ -0,0 +1,167 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#include <event2/event.h>
+#include <event2/event_compat.h>
+#else
+#include <event.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#define MAX_THREADS 50
+#define MAX_IDLE_THREADS 10
+
+#include "utils.h"
+
+#include "job-mgr.h"
+
+struct _CcnetJob {
+    CcnetJobManager *manager;
+
+    int             id;
+    ccnet_pipe_t    pipefd[2];
+
+    JobThreadFunc   thread_func;
+    JobDoneCallback done_func;  /* called when the thread is done */
+    void           *data;
+
+    /* the done callback should only access this field */
+    void           *result;
+};
+
+
+void
+ccnet_job_manager_remove_job (CcnetJobManager *mgr, int job_id);
+
+static void
+job_thread_wrapper (void *vdata, void *unused)
+{
+    CcnetJob *job = vdata;
+
+    
+    job->result = job->thread_func (job->data);
+    if (pipewriten (job->pipefd[1], "a", 1) != 1) {
+        g_warning ("[Job Manager] write to pipe error: %s\n", strerror(errno));
+    }
+}
+
+static void
+job_done_cb (evutil_socket_t fd, short event, void *vdata)
+{
+    CcnetJob *job = vdata;
+    char buf[1];
+
+    if (pipereadn (job->pipefd[0], buf, 1) != 1) {
+        g_warning ("[Job Manager] read pipe error: %s\n", strerror(errno));
+    }
+    pipeclose (job->pipefd[0]);
+    pipeclose (job->pipefd[1]);
+    if (job->done_func) {
+        job->done_func (job->result);
+    }
+
+    ccnet_job_manager_remove_job (job->manager, job->id);
+}
+
+int
+job_thread_create (CcnetJob *job)
+{
+    if (ccnet_pipe (job->pipefd) < 0) {
+        g_warning ("pipe error: %s\n", strerror(errno));
+        return -1;
+    }
+
+    g_thread_pool_push (job->manager->thread_pool, job, NULL);
+
+#ifndef UNIT_TEST
+    event_once (job->pipefd[0], EV_READ, job_done_cb, job, NULL);
+#endif
+
+    return 0;
+}
+
+CcnetJob *
+ccnet_job_new ()
+{
+    CcnetJob *job;
+
+    job = g_new0 (CcnetJob, 1);
+    return job;
+}
+
+void
+ccnet_job_free (CcnetJob *job)
+{
+    g_free (job);
+}
+
+CcnetJobManager *
+ccnet_job_manager_new (int max_threads)
+{
+    CcnetJobManager *mgr;
+
+    mgr = g_new0 (CcnetJobManager, 1);
+    mgr->jobs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+                                       NULL, (GDestroyNotify)ccnet_job_free);
+    mgr->thread_pool = g_thread_pool_new (job_thread_wrapper,
+                                          NULL,
+                                          max_threads,
+                                          FALSE,
+                                          NULL);
+    /* g_thread_pool_set_max_unused_threads (MAX_IDLE_THREADS); */
+
+    return mgr;
+}
+
+void
+ccnet_job_manager_free (CcnetJobManager *mgr)
+{
+    g_hash_table_destroy (mgr->jobs);
+    g_thread_pool_free (mgr->thread_pool, TRUE, FALSE);
+    g_free (mgr);
+}
+
+int
+ccnet_job_manager_schedule_job (CcnetJobManager *mgr,
+                               JobThreadFunc func,
+                               JobDoneCallback done_func,
+                               void *data)
+{
+    CcnetJob *job = ccnet_job_new ();
+    job->id = mgr->next_job_id++;
+    job->manager = mgr;
+    job->thread_func = func;
+    job->done_func = done_func;
+    job->data = data;
+    
+    g_hash_table_insert (mgr->jobs, (gpointer)(long)job->id, job);
+
+    if (job_thread_create (job) < 0) {
+        g_hash_table_remove (mgr->jobs, (gpointer)(long)job->id);
+        return -1;
+    }
+
+    return job->id;
+}
+
+void
+ccnet_job_manager_remove_job (CcnetJobManager *mgr, int job_id)
+{
+    g_hash_table_remove (mgr->jobs, (gpointer)(long)job_id);
+}
+
+#ifdef UNIT_TEST
+void
+ccnet_job_manager_wait_job (CcnetJobManager *mgr, int job_id)
+{
+    CcnetJob *job;
+    
+    job = g_hash_table_lookup (mgr->jobs, (gpointer)(long)job_id);
+    /* manually call job_done_cb */
+    job_done_cb (0, 0, (void *)job);
+}
+#endif
diff --git a/lib/job-mgr.h b/lib/job-mgr.h
new file mode 100644
index 0000000..0a779ef
--- /dev/null
+++ b/lib/job-mgr.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/**
+ * Job Manager manages long term jobs. These jobs are run in their
+ * own threads.
+ */
+
+#ifndef JOB_MGR_H
+#define JOB_MGR_H
+
+#include <glib.h>
+
+struct _CcnetSession;
+
+typedef struct _CcnetJob CcnetJob;
+typedef struct _CcnetJobManager CcnetJobManager;
+
+/*
+  The thread func should return the result back by
+     return (void *)result;
+  The result will be passed to JobDoneCallback.
+ */
+typedef void* (*JobThreadFunc)(void *data);
+typedef void (*JobDoneCallback)(void *result);
+
+
+struct _CcnetJobManager {
+    GHashTable      *jobs;
+
+    GThreadPool     *thread_pool;
+
+    int              next_job_id;
+};
+
+void
+ccnet_job_cancel (CcnetJob *job);
+
+CcnetJobManager *
+ccnet_job_manager_new (int max_threads);
+
+void
+ccnet_job_manager_free (CcnetJobManager *mgr);
+
+int
+ccnet_job_manager_schedule_job (CcnetJobManager *mgr,
+                                JobThreadFunc func,
+                                JobDoneCallback done_func,
+                                void *data);
+
+/** 
+ * Wait a specific job to be done.
+ */
+void
+ccnet_job_manager_wait_job (CcnetJobManager *mgr, int job_id);
+
+
+#endif
diff --git a/lib/timer.c b/lib/timer.c
new file mode 100644
index 0000000..8c04105
--- /dev/null
+++ b/lib/timer.c
@@ -0,0 +1,76 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#include <event2/event.h>
+#include <event2/event_compat.h>
+#include <event2/event_struct.h>
+#else
+#include <event.h>
+#endif
+
+#include <sys/time.h>
+
+#include "utils.h"
+
+#include "timer.h"
+
+struct CcnetTimer
+{
+    struct event   event;
+    struct timeval tv;
+    TimerCB        func;
+    void          *user_data;
+    uint8_t        inCallback;
+};
+
+static void
+timer_callback (evutil_socket_t fd, short event, void *vtimer)
+{
+    int more;
+    struct CcnetTimer *timer = vtimer;
+
+    timer->inCallback = 1;
+    more = (*timer->func) (timer->user_data);
+    timer->inCallback = 0;
+
+    if (more)
+        evtimer_add (&timer->event, &timer->tv);
+    else
+        ccnet_timer_free (&timer);
+}
+
+void
+ccnet_timer_free (CcnetTimer **ptimer)
+{
+    CcnetTimer *timer;
+
+    /* zero out the argument passed in */
+    g_return_if_fail (ptimer);
+
+    timer = *ptimer;
+    *ptimer = NULL;
+
+    /* destroy the timer directly or via the command queue */
+    if (timer && !timer->inCallback)
+    {
+        event_del (&timer->event);
+        g_free (timer);
+    }
+}
+
+CcnetTimer*
+ccnet_timer_new (TimerCB         func,
+                 void           *user_data,
+                 uint64_t        interval_milliseconds)
+{
+    CcnetTimer *timer = g_new0 (CcnetTimer, 1);
+
+    timer->tv = timeval_from_msec (interval_milliseconds);
+    timer->func = func;
+    timer->user_data = user_data;
+
+    evtimer_set (&timer->event, timer_callback, timer);
+    evtimer_add (&timer->event, &timer->tv);
+
+    return timer;
+}
diff --git a/lib/timer.h b/lib/timer.h
new file mode 100644
index 0000000..eafe312
--- /dev/null
+++ b/lib/timer.h
@@ -0,0 +1,28 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+#ifndef CCNET_TIMER_H
+#define CCNET_TIMER_H
+
+/* return TRUE to reschedule the timer, return FALSE to cancle the timer */
+typedef int (*TimerCB) (void *data);
+
+struct CcnetTimer;
+
+typedef struct CcnetTimer CcnetTimer;
+
+/**
+ * Calls timer_func(user_data) after the specified interval.
+ * The timer is freed if timer_func returns zero.
+ * Otherwise, it's called again after the same interval.
+ */
+CcnetTimer* ccnet_timer_new (TimerCB           func,
+                             void             *user_data,
+                             uint64_t          timeout_milliseconds);
+
+/**
+ * Frees a timer and sets the timer pointer to NULL.
+ */
+void ccnet_timer_free (CcnetTimer **timer);
+
+
+#endif
diff --git a/python/seaserv/service.py b/python/seaserv/service.py
index 580d89f..96fe3b6 100644
--- a/python/seaserv/service.py
+++ b/python/seaserv/service.py
@@ -6,7 +6,6 @@ import sys
 import configparser
 from urllib.parse import urlparse
 
-import ccnet
 import seafile
 import re
 from pysearpc import SearpcError
diff --git a/server/Makefile.am b/server/Makefile.am
index a91fd7f..49150c2 100644
--- a/server/Makefile.am
+++ b/server/Makefile.am
@@ -8,7 +8,6 @@ AM_CFLAGS = -DPKGDATADIR=\"$(pkgdatadir)\" \
 	-I$(top_srcdir)/lib \
 	-I$(top_builddir)/lib \
 	-I$(top_srcdir)/common \
-	@CCNET_CFLAGS@ \
 	@SEARPC_CFLAGS@ \
 	@GLIB2_CFLAGS@ \
 	@MSVC_CFLAGS@ \
@@ -77,8 +76,7 @@ seaf_server_SOURCES = \
 	../common/merge-new.c \
 	../common/block-tx-utils.c
 
-seaf_server_LDADD = @CCNET_LIBS@ \
-	$(top_builddir)/lib/libseafile_common.la \
+seaf_server_LDADD = $(top_builddir)/lib/libseafile_common.la \
 	@GLIB2_LIBS@ @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ -lsqlite3 @LIBEVENT_LIBS@ -levhtp \
 	$(top_builddir)/common/cdc/libcdc.la \
 	@SEARPC_LIBS@ @JANSSON_LIBS@ ${LIB_WS32} @ZLIB_LIBS@ \
diff --git a/server/access-file.c b/server/access-file.c
index 23b99e2..e5a08c4 100644
--- a/server/access-file.c
+++ b/server/access-file.c
@@ -17,8 +17,6 @@
 #include <sys/types.h>
 #include <fcntl.h>
 
-#include <ccnet.h>
-
 #include "seafile-object.h"
 #include "seafile-crypt.h"
 
diff --git a/server/copy-mgr.c b/server/copy-mgr.c
index 5505104..407a283 100644
--- a/server/copy-mgr.c
+++ b/server/copy-mgr.c
@@ -3,8 +3,6 @@
 
 #include <pthread.h>
 
-#include <ccnet/job-mgr.h>
-
 #include "seafile-session.h"
 #include "seafile-object.h"
 #include "seafile-error.h"
diff --git a/server/gc/Makefile.am b/server/gc/Makefile.am
index 07063fd..e45a4cb 100644
--- a/server/gc/Makefile.am
+++ b/server/gc/Makefile.am
@@ -6,7 +6,6 @@ AM_CFLAGS = -DPKGDATADIR=\"$(pkgdatadir)\" \
 	-I$(top_srcdir)/lib \
 	-I$(top_builddir)/lib \
 	-I$(top_srcdir)/common \
-	@CCNET_CFLAGS@ \
 	@SEARPC_CFLAGS@ \
 	@GLIB2_CFLAGS@ \
 	@MSVC_CFLAGS@ \
@@ -45,8 +44,7 @@ seafserv_gc_SOURCES = \
 	gc-core.c \
 	$(common_sources)
 
-seafserv_gc_LDADD = @CCNET_LIBS@ \
-	$(top_builddir)/common/cdc/libcdc.la \
+seafserv_gc_LDADD = $(top_builddir)/common/cdc/libcdc.la \
 	$(top_builddir)/lib/libseafile_common.la \
 	@GLIB2_LIBS@ @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ -lsqlite3 @LIBEVENT_LIBS@ \
 	@SEARPC_LIBS@ @JANSSON_LIBS@ ${LIB_WS32} @ZLIB_LIBS@ \
@@ -57,8 +55,7 @@ seaf_fsck_SOURCES = \
 	fsck.c \
 	$(common_sources)
 
-seaf_fsck_LDADD = @CCNET_LIBS@ \
-	$(top_builddir)/common/cdc/libcdc.la \
+seaf_fsck_LDADD = $(top_builddir)/common/cdc/libcdc.la \
 	$(top_builddir)/lib/libseafile_common.la \
 	@GLIB2_LIBS@ @GOBJECT_LIBS@ @SSL_LIBS@ @LIB_RT@ @LIB_UUID@ -lsqlite3 @LIBEVENT_LIBS@ \
 	@SEARPC_LIBS@ @JANSSON_LIBS@ ${LIB_WS32} @ZLIB_LIBS@ \
diff --git a/server/gc/repo-mgr.c b/server/gc/repo-mgr.c
index 45ebca3..58f21cc 100644
--- a/server/gc/repo-mgr.c
+++ b/server/gc/repo-mgr.c
@@ -3,7 +3,6 @@
 #include "common.h"
 #include <glib/gstdio.h>
 
-#include <ccnet.h>
 #include "utils.h"
 #include "log.h"
 
diff --git a/server/gc/seaf-fsck.c b/server/gc/seaf-fsck.c
index 9a3be56..3595208 100644
--- a/server/gc/seaf-fsck.c
+++ b/server/gc/seaf-fsck.c
@@ -3,8 +3,6 @@
 
 #include <getopt.h>
 
-#include <ccnet.h>
-
 #include "seafile-session.h"
 #include "fsck.h"
 
diff --git a/server/gc/seafile-session.c b/server/gc/seafile-session.c
index ebdb6b6..c7cfde7 100644
--- a/server/gc/seafile-session.c
+++ b/server/gc/seafile-session.c
@@ -4,7 +4,6 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-#include <ccnet.h>
 #include <utils.h>
 
 #include "seafile-session.h"
diff --git a/server/gc/seafserv-gc.c b/server/gc/seafserv-gc.c
index 0a104da..951bec3 100644
--- a/server/gc/seafserv-gc.c
+++ b/server/gc/seafserv-gc.c
@@ -3,8 +3,6 @@
 
 #include <getopt.h>
 
-#include <ccnet.h>
-
 #include "seafile-session.h"
 #include "gc-core.h"
 #include "verify.h"
diff --git a/server/index-blocks-mgr.c b/server/index-blocks-mgr.c
index 6fa4847..9ee9820 100644
--- a/server/index-blocks-mgr.c
+++ b/server/index-blocks-mgr.c
@@ -7,8 +7,8 @@
 #include <jansson.h>
 #include <openssl/sha.h>
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
+#include <timer.h>
+
 #include "utils.h"
 #include "log.h"
 
diff --git a/server/pack-dir.c b/server/pack-dir.c
index 7763d18..5b3cd02 100644
--- a/server/pack-dir.c
+++ b/server/pack-dir.c
@@ -3,8 +3,6 @@
 #define DEBUG_FLAG SEAFILE_DEBUG_HTTP
 #include "log.h"
 
-#include <ccnet.h>
-
 #include "seafile-object.h"
 #include "seafile-crypt.h"
 #include "seafile-error.h"
diff --git a/server/passwd-mgr.c b/server/passwd-mgr.c
index 729a035..fcf0c86 100644
--- a/server/passwd-mgr.c
+++ b/server/passwd-mgr.c
@@ -2,7 +2,7 @@
 #include "log.h"
 
 #include <glib.h>
-#include <ccnet/timer.h>
+#include <timer.h>
 
 #include "seafile-session.h"
 #include "seafile-object.h"
diff --git a/server/permission-mgr.c b/server/permission-mgr.c
index 05c871b..761d112 100644
--- a/server/permission-mgr.c
+++ b/server/permission-mgr.c
@@ -2,8 +2,6 @@
 
 #include "common.h"
 
-#include <ccnet.h>
-
 #include "db.h"
 #include "seafile-session.h"
 #include "permission-mgr.h"
diff --git a/server/quota-mgr.c b/server/quota-mgr.c
index ef6687f..af4e626 100644
--- a/server/quota-mgr.c
+++ b/server/quota-mgr.c
@@ -5,9 +5,6 @@
 #include "log.h"
 #include "utils.h"
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
-
 #include "seafile-session.h"
 #include "seaf-db.h"
 #include "quota-mgr.h"
diff --git a/server/repo-mgr.c b/server/repo-mgr.c
index 3c1c1a9..d76b695 100644
--- a/server/repo-mgr.c
+++ b/server/repo-mgr.c
@@ -7,8 +7,7 @@
 #include <openssl/sha.h>
 #include <openssl/rand.h>
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
+#include <timer.h>
 #include "utils.h"
 #include "log.h"
 
diff --git a/server/repo-op.c b/server/repo-op.c
index 0d1fe50..b0aa0d8 100644
--- a/server/repo-op.c
+++ b/server/repo-op.c
@@ -7,8 +7,6 @@
 #include <jansson.h>
 #include <openssl/sha.h>
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
 #include "utils.h"
 #define DEBUG_FLAG SEAFILE_DEBUG_OTHER
 #include "log.h"
diff --git a/server/repo-perm.c b/server/repo-perm.c
index 74ca02f..33c60f9 100644
--- a/server/repo-perm.c
+++ b/server/repo-perm.c
@@ -2,8 +2,6 @@
 
 #include "common.h"
 
-#include <ccnet.h>
-#include <ccnet/ccnet-object.h>
 #include "utils.h"
 #include "log.h"
 
diff --git a/server/seaf-server.c b/server/seaf-server.c
index 3733914..f71bb4c 100644
--- a/server/seaf-server.c
+++ b/server/seaf-server.c
@@ -2,6 +2,12 @@
 
 #include "common.h"
 
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#include <event2/event.h>
+#else
+#include <event.h>
+#endif
+
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -12,7 +18,6 @@
 #include <glib.h>
 #include <glib-object.h>
 
-#include <ccnet.h>
 #include <searpc-server.h>
 #include <searpc-client.h>
 
diff --git a/server/seafile-session.h b/server/seafile-session.h
index 5e8e603..ffdf913 100644
--- a/server/seafile-session.h
+++ b/server/seafile-session.h
@@ -3,9 +3,7 @@
 #ifndef SEAFILE_SESSION_H
 #define SEAFILE_SESSION_H
 
-#include <ccnet.h>
-#include <ccnet/cevent.h>
-#include <ccnet/job-mgr.h>
+#include <job-mgr.h>
 
 #include "block-mgr.h"
 #include "fs-mgr.h"
diff --git a/server/share-mgr.c b/server/share-mgr.c
index 8f72b41..ee463cd 100644
--- a/server/share-mgr.c
+++ b/server/share-mgr.c
@@ -11,7 +11,6 @@
 #include "seaf-db.h"
 #include "log.h"
 #include "seafile-error.h"
-#include <ccnet/ccnet-object.h>
 
 SeafShareManager *
 seaf_share_manager_new (SeafileSession *seaf)
diff --git a/server/size-sched.c b/server/size-sched.c
index a3edeff..ad4b66c 100644
--- a/server/size-sched.c
+++ b/server/size-sched.c
@@ -1,6 +1,5 @@
 #include "common.h"
 
-#include <ccnet/timer.h>
 #include <pthread.h>
 
 #include "seafile-session.h"
diff --git a/server/virtual-repo.c b/server/virtual-repo.c
index 745dbf0..09978f0 100644
--- a/server/virtual-repo.c
+++ b/server/virtual-repo.c
@@ -7,8 +7,7 @@
 #define DEBUG_FLAG SEAFILE_DEBUG_OTHER
 #include "log.h"
 
-#include <ccnet.h>
-#include <ccnet/job-mgr.h>
+#include <timer.h>
 #include <pthread.h>
 
 #include "seafile-session.h"
diff --git a/server/web-accesstoken-mgr.c b/server/web-accesstoken-mgr.c
index 08b27c0..93bcdb6 100644
--- a/server/web-accesstoken-mgr.c
+++ b/server/web-accesstoken-mgr.c
@@ -2,7 +2,7 @@
 
 #include "common.h"
 
-#include <ccnet/timer.h>
+#include <timer.h>
 
 #include <pthread.h>
 
diff --git a/server/zip-download-mgr.c b/server/zip-download-mgr.c
index a7ec75f..62f6663 100644
--- a/server/zip-download-mgr.c
+++ b/server/zip-download-mgr.c
@@ -1,9 +1,8 @@
 #include <pthread.h>
 #include <jansson.h>
 
-#include <ccnet.h>
-
 #include "common.h"
+#include <timer.h>
 #include "utils.h"
 #include "log.h"
 #include "seafile-error.h"