diff options
Diffstat (limited to 'src/e1_input.c')
| -rw-r--r-- | src/e1_input.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/e1_input.c b/src/e1_input.c index ad4e25c..379cc53 100644 --- a/src/e1_input.c +++ b/src/e1_input.c @@ -142,7 +142,7 @@ static int pcap_fd = -1; int e1_set_pcap_fd(int fd) { - struct pcap_hdr header = { + const struct pcap_hdr header = { .magic_number = 0xa1b2c3d4, .version_major = 2, .version_minor = 4, @@ -151,9 +151,34 @@ int e1_set_pcap_fd(int fd) .snaplen = 65535, .network = DLT_LINUX_LAPD, }; + struct e1inp_line *line; + int i; + + /* write header */ + if (fd >= 0) { + int rc = write(fd, &header, sizeof(header)); + if (rc < 0) + return rc; + } + + /* update fd in all lines in our global list of e1 lines */ + llist_for_each_entry(line, &e1inp_line_list, list) { + /* Set the PCAP file descriptor for all timeslots that have + * software LAPD instances, to ensure the osmo_lapd_pcap code is + * used to write PCAP files (if requested) */ + for (i = 0; i < ARRAY_SIZE(line->ts); i++) { + struct e1inp_ts *e1i_ts = &line->ts[i]; + if (e1i_ts->lapd) + e1i_ts->lapd->pcap_fd = fd; + } + } + /* close previous and update global */ + if (pcap_fd >= 0) + close(pcap_fd); pcap_fd = fd; - return write(pcap_fd, &header, sizeof(header)); + + return 0; } /* This currently only works for the D-Channel */ |