diff options
| author | Daniel Willmann <daniel@totalueberwachung.de> | 2011-11-04 17:20:46 +0100 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2012-05-02 20:13:42 +0200 |
| commit | 8c2591d95e17eb6fa868e4d886a63ac62f3ca8af (patch) | |
| tree | c8c647248373f03ec78439c0e1027d842dba7caa /openbsc | |
| parent | 9ed07004acd7aa3e0c33f5e580e61c347b3064bc (diff) | |
libabis: Enable TCP keepalive by default on all BTS connections
This way we can find out fast if the connection is broken.
Z says: Tabs vs. spaces, magic numbers... more work needed :)
Diffstat (limited to 'openbsc')
| -rw-r--r-- | openbsc/src/libabis/input/ipaccess.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/openbsc/src/libabis/input/ipaccess.c b/openbsc/src/libabis/input/ipaccess.c index 0b0d1551f..a5046f59e 100644 --- a/openbsc/src/libabis/input/ipaccess.c +++ b/openbsc/src/libabis/input/ipaccess.c @@ -25,6 +25,7 @@ #include <unistd.h> #include <stdlib.h> #include <errno.h> +#include <netinet/tcp.h> #include <string.h> #include <time.h> #include <sys/fcntl.h> @@ -678,7 +679,7 @@ static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what) { int ret; int idx = 0; - int i; + int i, val; struct e1inp_line *line; struct e1inp_ts *e1i_ts; struct osmo_fd *bfd; @@ -726,6 +727,30 @@ static int listen_fd_cb(struct osmo_fd *listen_bfd, unsigned int what) return ret; } + /* Enable TCP keepalive to find out if the connection is gone */ + val = 1; + ret = setsockopt(bfd->fd, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(val)); + if (ret < 0) + LOGP(DINP, LOGL_NOTICE, "Failed to set keepalive: %s\n", strerror(errno)); + else + LOGP(DINP, LOGL_NOTICE, "Keepalive is set: %i\n", ret); + +#if defined(TCP_KEEPIDLE) && defined(TCP_KEEPINTVL) && defined(TCP_KEEPCNT) + /* The following options are not portable! */ + val = 30; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof(val)); + if (ret < 0) + LOGP(DINP, LOGL_NOTICE, "Failed to set keepalive idle time: %s\n", strerror(errno)); + val = 3; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof(val)); + if (ret < 0) + LOGP(DINP, LOGL_NOTICE, "Failed to set keepalive interval: %s\n", strerror(errno)); + val = 10; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof(val)); + if (ret < 0) + LOGP(DINP, LOGL_NOTICE, "Failed to set keepalive count: %s\n", strerror(errno)); +#endif + /* Request ID. FIXME: request LOCATION, HW/SW VErsion, Unit Name, Serno */ ret = ipaccess_send_id_req(bfd->fd); |