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36 * lnet/selftest/conctl.c
38 * Test client & Server
40 * Author: Liang Zhen <liangzhen@clusterfs.com>
45 #define LST_PING_TEST_MAGIC 0xbabeface
47 static int ping_srv_workitems = SFW_TEST_WI_MAX;
48 module_param(ping_srv_workitems, int, 0644);
49 MODULE_PARM_DESC(ping_srv_workitems, "# PING server workitems");
52 spinlock_t pnd_lock; /* serialize */
53 int pnd_counter; /* sequence counter */
56 static lst_ping_data_t lst_ping_data;
59 ping_client_init(sfw_test_instance_t *tsi)
61 sfw_session_t *sn = tsi->tsi_batch->bat_session;
63 LASSERT(tsi->tsi_is_client);
64 LASSERT(sn != NULL && (sn->sn_features & ~LST_FEATS_MASK) == 0);
66 spin_lock_init(&lst_ping_data.pnd_lock);
67 lst_ping_data.pnd_counter = 0;
73 ping_client_fini (sfw_test_instance_t *tsi)
75 sfw_session_t *sn = tsi->tsi_batch->bat_session;
79 LASSERT (tsi->tsi_is_client);
81 errors = atomic_read(&sn->sn_ping_errors);
83 CWARN ("%d pings have failed.\n", errors);
85 CDEBUG (D_NET, "Ping test finished OK.\n");
89 ping_client_prep_rpc(sfw_test_unit_t *tsu,
90 lnet_process_id_t dest, srpc_client_rpc_t **rpc)
92 srpc_ping_reqst_t *req;
93 sfw_test_instance_t *tsi = tsu->tsu_instance;
94 sfw_session_t *sn = tsi->tsi_batch->bat_session;
99 LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
101 rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, 0, 0, rpc);
105 req = &(*rpc)->crpc_reqstmsg.msg_body.ping_reqst;
107 req->pnr_magic = LST_PING_TEST_MAGIC;
109 spin_lock(&lst_ping_data.pnd_lock);
110 req->pnr_seq = lst_ping_data.pnd_counter++;
111 spin_unlock(&lst_ping_data.pnd_lock);
113 ktime_get_real_ts64(&ts);
114 req->pnr_time_sec = ts.tv_sec;
115 req->pnr_time_nsec = ts.tv_nsec;
121 ping_client_done_rpc (sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
123 sfw_test_instance_t *tsi = tsu->tsu_instance;
124 sfw_session_t *sn = tsi->tsi_batch->bat_session;
125 srpc_ping_reqst_t *reqst = &rpc->crpc_reqstmsg.msg_body.ping_reqst;
126 srpc_ping_reply_t *reply = &rpc->crpc_replymsg.msg_body.ping_reply;
127 struct timespec64 ts;
131 if (rpc->crpc_status != 0) {
132 if (!tsi->tsi_stopping) /* rpc could have been aborted */
133 atomic_inc(&sn->sn_ping_errors);
134 CERROR ("Unable to ping %s (%d): %d\n",
135 libcfs_id2str(rpc->crpc_dest),
136 reqst->pnr_seq, rpc->crpc_status);
140 if (rpc->crpc_replymsg.msg_magic != SRPC_MSG_MAGIC) {
141 __swab32s(&reply->pnr_seq);
142 __swab32s(&reply->pnr_magic);
143 __swab32s(&reply->pnr_status);
146 if (reply->pnr_magic != LST_PING_TEST_MAGIC) {
147 rpc->crpc_status = -EBADMSG;
148 atomic_inc(&sn->sn_ping_errors);
149 CERROR ("Bad magic %u from %s, %u expected.\n",
150 reply->pnr_magic, libcfs_id2str(rpc->crpc_dest),
151 LST_PING_TEST_MAGIC);
155 if (reply->pnr_seq != reqst->pnr_seq) {
156 rpc->crpc_status = -EBADMSG;
157 atomic_inc(&sn->sn_ping_errors);
158 CERROR ("Bad seq %u from %s, %u expected.\n",
159 reply->pnr_seq, libcfs_id2str(rpc->crpc_dest),
164 ktime_get_real_ts64(&ts);
165 CDEBUG(D_NET, "%d reply in %llu nsec\n", reply->pnr_seq,
166 (u64)((ts.tv_sec - reqst->pnr_time_sec) * NSEC_PER_SEC +
167 (ts.tv_nsec - reqst->pnr_time_nsec)));
172 ping_server_handle(struct srpc_server_rpc *rpc)
174 struct srpc_service *sv = rpc->srpc_scd->scd_svc;
175 srpc_msg_t *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
176 srpc_msg_t *replymsg = &rpc->srpc_replymsg;
177 srpc_ping_reqst_t *req = &reqstmsg->msg_body.ping_reqst;
178 srpc_ping_reply_t *rep = &rpc->srpc_replymsg.msg_body.ping_reply;
180 LASSERT (sv->sv_id == SRPC_SERVICE_PING);
182 if (reqstmsg->msg_magic != SRPC_MSG_MAGIC) {
183 LASSERT (reqstmsg->msg_magic == __swab32(SRPC_MSG_MAGIC));
185 __swab32s(&req->pnr_seq);
186 __swab32s(&req->pnr_magic);
187 __swab64s(&req->pnr_time_sec);
188 __swab64s(&req->pnr_time_nsec);
190 LASSERT (reqstmsg->msg_type == srpc_service2request(sv->sv_id));
192 if (req->pnr_magic != LST_PING_TEST_MAGIC) {
193 CERROR ("Unexpect magic %08x from %s\n",
194 req->pnr_magic, libcfs_id2str(rpc->srpc_peer));
198 rep->pnr_seq = req->pnr_seq;
199 rep->pnr_magic = LST_PING_TEST_MAGIC;
201 if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
202 replymsg->msg_ses_feats = LST_FEATS_MASK;
203 rep->pnr_status = EPROTO;
207 replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
209 CDEBUG(D_NET, "Get ping %d from %s\n",
210 req->pnr_seq, libcfs_id2str(rpc->srpc_peer));
214 sfw_test_client_ops_t ping_test_client;
215 void ping_init_test_client(void)
217 ping_test_client.tso_init = ping_client_init;
218 ping_test_client.tso_fini = ping_client_fini;
219 ping_test_client.tso_prep_rpc = ping_client_prep_rpc;
220 ping_test_client.tso_done_rpc = ping_client_done_rpc;
223 srpc_service_t ping_test_service;
224 void ping_init_test_service(void)
226 ping_test_service.sv_id = SRPC_SERVICE_PING;
227 ping_test_service.sv_name = "ping_test";
228 ping_test_service.sv_handler = ping_server_handle;
229 ping_test_service.sv_wi_total = ping_srv_workitems;