Commit 161aeeba authored by frtabu's avatar frtabu

attempt to fix TDD basic_simulator failure

parent 718f754c
Pipeline #11382 passed with stage
in 0 seconds
......@@ -58,6 +58,7 @@ typedef struct {
int sock;
int samples_per_subframe;
uint64_t timestamp;
uint64_t next_tx_timestamp;
int is_enb;
char *ip;
} tcp_bridge_state_t;
......@@ -192,6 +193,26 @@ int tcp_bridge_write(openair0_device *device, openair0_timestamp timestamp, void
}
tcp_bridge_state_t *t = device->priv;
/* deal with discontinuities in output (think: eNB in TDD mode) */
if (t->next_tx_timestamp && timestamp != t->next_tx_timestamp) {
uint32_t b[4096];
uint64_t to_send = timestamp - t->next_tx_timestamp;
memset(b, 0, 4096 * sizeof(uint32_t));
while (to_send) {
int len = to_send > 4096 ? 4096 : to_send;
int n = fullwrite(t->sock, b, len * 4);
if (n != len * 4) {
printf("tcp_bridge: write error ret %d error %s\n", n, strerror(errno));
abort();
}
to_send -= len;
}
}
int n = fullwrite(t->sock, buff[0], nsamps * 4);
if (n != nsamps * 4) {
......@@ -199,6 +220,7 @@ int tcp_bridge_write(openair0_device *device, openair0_timestamp timestamp, void
abort();
}
t->next_tx_timestamp = timestamp + nsamps;
return nsamps;
}
......
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