diff options
| author | Daniel Willmann <daniel@totalueberwachung.de> | 2014-01-09 14:30:55 +0100 |
|---|---|---|
| committer | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2014-01-20 08:10:43 +0100 |
| commit | 859807261e021eafe07792af901e5485b6fbe794 (patch) | |
| tree | 948bbaa37bb7783c275d8b61d0eef35c160dbe31 | |
| parent | 63ddf4645c1af041001060e91f982eb59b3deb5c (diff) | |
ipaccess: Enable TCP keepalive by default on all BTS connections
This way we can find out fast if the connection is broken.
Ticket: OW#1060
| -rw-r--r-- | src/input/ipaccess.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c index 9722b2f..8f9865e 100644 --- a/src/input/ipaccess.c +++ b/src/input/ipaccess.c @@ -28,6 +28,7 @@ #include <stdlib.h> #include <stdbool.h> #include <errno.h> +#include <netinet/tcp.h> #include <string.h> #include <time.h> #include <sys/fcntl.h> @@ -50,6 +51,10 @@ static void *tall_ipa_ctx; #define TS1_ALLOC_SIZE 900 +#define DEFAULT_TCP_KEEPALIVE_IDLE_TIMEOUT 30 +#define DEFAULT_TCP_KEEPALIVE_INTERVAL 3 +#define DEFAULT_TCP_KEEPALIVE_RETRY_COUNT 10 + /* * Common propietary IPA messages: * - PONG: in reply to PING. @@ -610,7 +615,7 @@ static int ipaccess_bsc_oml_cb(struct ipa_server_link *link, int fd) { int ret; int idx = 0; - int i; + int i, val; struct e1inp_line *line; struct e1inp_ts *e1i_ts; struct osmo_fd *bfd; @@ -643,6 +648,34 @@ static int ipaccess_bsc_oml_cb(struct ipa_server_link *link, int fd) goto err_line; } + /* 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(DLINP, LOGL_NOTICE, "Failed to set keepalive: %s\n", + strerror(errno)); + else + LOGP(DLINP, 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 = DEFAULT_TCP_KEEPALIVE_IDLE_TIMEOUT; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof(val)); + if (ret < 0) + LOGP(DLINP, LOGL_NOTICE, "Failed to set keepalive idle time: %s\n", + strerror(errno)); + val = DEFAULT_TCP_KEEPALIVE_INTERVAL; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof(val)); + if (ret < 0) + LOGP(DLINP, LOGL_NOTICE, "Failed to set keepalive interval: %s\n", + strerror(errno)); + val = DEFAULT_TCP_KEEPALIVE_RETRY_COUNT; + ret = setsockopt(bfd->fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof(val)); + if (ret < 0) + LOGP(DLINP, 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); if (ret < 0) { |