diff options
Diffstat (limited to 'dnstap/dnstap.c')
| -rw-r--r-- | dnstap/dnstap.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/dnstap/dnstap.c b/dnstap/dnstap.c index 5d0420f6fbba..aabf8eec9071 100644 --- a/dnstap/dnstap.c +++ b/dnstap/dnstap.c @@ -39,6 +39,10 @@ #include "config.h" #include <string.h> #include <sys/time.h> +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#include <errno.h> #include "sldns/sbuffer.h" #include "util/config_file.h" #include "util/net_help.h" @@ -118,6 +122,18 @@ dt_msg_init(const struct dt_env *env, } } +/* check that the socket file can be opened and exists, print error if not */ +static void +check_socket_file(const char* socket_path) +{ + struct stat statbuf; + memset(&statbuf, 0, sizeof(statbuf)); + if(stat(socket_path, &statbuf) < 0) { + log_warn("could not open dnstap-socket-path: %s, %s", + socket_path, strerror(errno)); + } +} + struct dt_env * dt_create(const char *socket_path, unsigned num_workers) { @@ -134,6 +150,7 @@ dt_create(const char *socket_path, unsigned num_workers) socket_path); log_assert(socket_path != NULL); log_assert(num_workers > 0); + check_socket_file(socket_path); env = (struct dt_env *) calloc(1, sizeof(struct dt_env)); if (!env) |