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Diffstat (limited to 'src/ipcpd/shim-eth-llc')
-rw-r--r--src/ipcpd/shim-eth-llc/main.c187
1 files changed, 94 insertions, 93 deletions
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index 7ff59cde..9bd6920b 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -36,7 +36,6 @@
#include <ouroboros/bitmap.h>
#include <ouroboros/flow.h>
#include <ouroboros/dev.h>
-#include <ouroboros/rw_lock.h>
#define OUROBOROS_PREFIX "ipcpd/shim-eth-llc"
@@ -104,7 +103,7 @@ struct eth_llc_ipcp_data {
int tx_offset;
struct eth_llc_flow flows[AP_MAX_FLOWS];
- rw_lock_t flows_lock;
+ pthread_rwlock_t flows_lock;
pthread_t mainloop;
pthread_t sdu_writer;
@@ -159,7 +158,7 @@ struct eth_llc_ipcp_data * eth_llc_ipcp_data_create()
return NULL;
}
- rw_lock_init(&eth_llc_data->flows_lock);
+ pthread_rwlock_init(&eth_llc_data->flows_lock, NULL);
return eth_llc_data;
}
@@ -171,7 +170,7 @@ void eth_llc_ipcp_data_destroy()
if (_ipcp == NULL)
return;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up while not in shutdown.");
@@ -185,14 +184,14 @@ void eth_llc_ipcp_data_destroy()
if (shim_data(_ipcp)->saps != NULL)
bmp_destroy(shim_data(_ipcp)->saps);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; i ++)
if (ipcp_flow(i)->rb != NULL)
shm_ap_rbuff_close(ipcp_flow(i)->rb);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(_ipcp->data);
}
@@ -440,13 +439,13 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
ssize_t index = 0;
int i;
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = bmp_allocate(shim_data(_ipcp)->indices);
if (index < 0) {
- rw_lock_unlock(&_ipcp->state_lock);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
LOG_ERR("Out of free indices.");
return -1;
}
@@ -458,8 +457,8 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
if (port_id < 0) {
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&_ipcp->state_lock);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
LOG_ERR("Could not get port id from IRMd.");
return -1;
}
@@ -472,8 +471,8 @@ static int eth_llc_ipcp_port_req(uint8_t r_sap,
shim_data(_ipcp)->flows[index].r_addr[i] = r_addr[i];
}
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("New flow request, port_id %d, remote SAP %d.", port_id, r_sap);
@@ -490,20 +489,20 @@ static int eth_llc_ipcp_port_alloc_reply(uint8_t ssap,
int port_id = -1;
int i;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
index = sap_to_index(ssap);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("No flow found with that SAP.");
return -1; /* -EFLOWNOTFOUND */
}
if (ipcp_flow(index)->state != FLOW_PENDING) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1; /* -EFLOWNOTPENDING */
}
@@ -519,8 +518,8 @@ static int eth_llc_ipcp_port_alloc_reply(uint8_t ssap,
}
}
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Flow reply, port_id %d, remote SAP %d.", port_id, dsap);
@@ -540,13 +539,13 @@ static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap,
int port_id = -1;
int i = 0;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
i = sap_to_index(ssap);
if (i < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("No flow found for remote deallocation request.");
return 0;
}
@@ -554,8 +553,8 @@ static int eth_llc_ipcp_flow_dealloc_req(uint8_t ssap,
port_id = ipcp_flow(i)->port_id;
destroy_ipcp_flow(i);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
ipcp_flow_dealloc(0, port_id);
@@ -633,14 +632,14 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
memset(br_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
while (true) {
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
header = (void *) shim_data(_ipcp)->rx_ring +
@@ -709,13 +708,13 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
eth_llc_ipcp_mgmt_frame((uint8_t *) (buf + i),
frame_len, src_mac);
} else {
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
j = addr_and_saps_to_index(src_mac, ssap, dsap);
if (j < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Received data for unknown flow.");
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
offset = (offset + 1)
@@ -738,8 +737,8 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
while (shm_ap_rbuff_write(ipcp_flow(j)->rb, &e) < 0)
;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
#if defined(PACKET_RX_RING) && defined(PACKET_TX_RING)
offset = (offset + 1) & (SHM_BLOCKS_IN_MAP -1);
@@ -765,10 +764,10 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
continue;
}
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return (void *) 1; /* -ENOTENROLLED */
}
@@ -776,18 +775,18 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
shim_data(_ipcp)->dum,
e->index);
if (len <= 0) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(e);
continue;
}
- rw_lock_rdlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&shim_data(_ipcp)->flows_lock);
i = port_id_to_index(e->port_id);
if (i < 0) {
free(e);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
continue;
}
@@ -798,12 +797,12 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
dsap, ssap, buf, len))
LOG_ERR("Failed to send SDU.");
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
if (shim_data(_ipcp)->dum != NULL)
shm_release_du_buff(shim_data(_ipcp)->dum, e->index);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
}
return (void *) 1;
@@ -824,14 +823,14 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_ENROLLED)
clean_threads = true;
_ipcp->state = IPCP_SHUTDOWN;
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (clean_threads) {
pthread_cancel(shim_data(_ipcp)->sdu_reader);
@@ -964,10 +963,10 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
#endif
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_INIT) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("IPCP in wrong state.");
close(fd);
return -1;
@@ -989,7 +988,7 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
eth_llc_ipcp_sdu_writer,
NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped shim IPCP over Ethernet with LLC with pid %d.",
getpid());
@@ -999,21 +998,21 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
static int eth_llc_ipcp_name_reg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to add %s to local registry.", name);
return -1;
}
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -1022,11 +1021,11 @@ static int eth_llc_ipcp_name_reg(char * name)
static int eth_llc_ipcp_name_unreg(char * name)
{
- rw_lock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -1054,11 +1053,11 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
if (rb == NULL)
return -1; /* -ENORBUFF */
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't allocate flow with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
@@ -1066,18 +1065,18 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
index = bmp_allocate(shim_data(_ipcp)->indices);
if (index < 0) {
shm_ap_rbuff_close(rb);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
ssap = bmp_allocate(shim_data(_ipcp)->saps);
if (ssap < 0) {
shm_ap_rbuff_close(rb);
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1086,8 +1085,8 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
ipcp_flow(index)->rb = rb;
shim_data(_ipcp)->flows[index].sap = ssap;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
memset(r_addr, 0xff, MAC_SIZE * sizeof(uint8_t));
@@ -1095,11 +1094,11 @@ static int eth_llc_ipcp_flow_alloc(pid_t n_pid,
dst_name,
src_ae_name) < 0) {
LOG_DBGF("Port alloc returned -1.");
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1117,20 +1116,20 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
int index = -1;
uint8_t ssap = 0;
- rw_lock_wrlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = port_id_to_index(port_id);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not find flow with port_id %d.", port_id);
return -1;
}
if (ipcp_flow(index)->state != FLOW_PENDING) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Flow was not pending.");
return -1;
}
@@ -1141,8 +1140,8 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->state = FLOW_NULL;
ipcp_flow(index)->port_id = -1;
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1152,8 +1151,8 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->port_id = -1;
shm_ap_rbuff_close(ipcp_flow(index)->rb);
bmp_release(shim_data(_ipcp)->indices, index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return -1;
}
@@ -1161,18 +1160,18 @@ static int eth_llc_ipcp_flow_alloc_resp(pid_t n_pid,
ipcp_flow(index)->rb = rb;
shim_data(_ipcp)->flows[index].sap = ssap;
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (eth_llc_ipcp_port_alloc_resp(shim_data(_ipcp)->flows[index].r_addr,
shim_data(_ipcp)->flows[index].r_sap,
ssap,
response) < 0) {
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBGF("Could not send response.");
return -1;
@@ -1191,13 +1190,13 @@ static int eth_llc_ipcp_flow_dealloc(int port_id)
int i;
int ret;
- rw_lock_rdlock(&_ipcp->state_lock);
- rw_lock_wrlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&shim_data(_ipcp)->flows_lock);
index = port_id_to_index(port_id);
if (index < 0) {
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -1208,10 +1207,12 @@ static int eth_llc_ipcp_flow_dealloc(int port_id)
destroy_ipcp_flow(index);
- rw_lock_unlock(&shim_data(_ipcp)->flows_lock);
+ pthread_rwlock_unlock(&shim_data(_ipcp)->flows_lock);
ret = eth_llc_ipcp_port_dealloc(addr, sap);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ if (eth_llc_ipcp_port_dealloc(addr, sap) < 0)
+ LOG_DBGF("Could not notify remote.");
if (ret < 0)
LOG_DBGF("Could not notify remote.");
@@ -1289,7 +1290,7 @@ int main(int argc, char * argv[])
_ipcp->ops = &eth_llc_ops;
_ipcp->state = IPCP_INIT;
- rw_lock_wrlock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
@@ -1298,7 +1299,7 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- rw_lock_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
pthread_join(shim_data(_ipcp)->mainloop, NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-04 02:48:17 +0000