diff options
Diffstat (limited to 'lib/vty.c')
| -rw-r--r-- | lib/vty.c | 34 |
1 files changed, 27 insertions, 7 deletions
@@ -60,10 +60,12 @@ int vty_lock_asserted = 0; * called with the mutex already locked. There are a few exceptions, e.g. * callbacks where static routines are being invoked from outside the module. * - * As we are not using recursive mutexes so there are a few cases where - * both external and static versions of a routine exist. The former for use - * outside, the latter for use inside the module (and lock). In these cases - * the internal static versions starts uty_. + * There are a few cases where both external and static versions of a + * routine exist. The former for use outside, the latter for use inside + * the module (and lock). In these cases the internal static versions + * starts uty_. This is not strictly necessary as we are using a recursive + * mutex but it avoids unnecessary recursive calls. The recursive mutex + * is used so that we can call zlog and friends from anywhere. * * vty and log recurse through each other, so the same mutex is used * for both, i.e. they are treated as being part of the same monitor. @@ -1982,6 +1984,8 @@ uty_accept (int accept_sock) struct access_list *acl = NULL; char *bufp; + ASSERTLOCKED + /* We continue hearing vty socket. */ vty_event (VTY_SERV, accept_sock, NULL); @@ -2105,6 +2109,14 @@ vty_serv_sock_addrinfo (const char *hostname, unsigned short port) sockopt_reuseaddr (sock); sockopt_reuseport (sock); + /* set non-blocking */ + ret = set_nonblocking(sock); + if (ret < 0) + { + close (sock); /* Avoid sd leak. */ + continue; + } + ret = bind (sock, ainfo->ai_addr, ainfo->ai_addrlen); if (ret < 0) { @@ -2173,6 +2185,14 @@ vty_serv_sock_family (const char* addr, unsigned short port, int family) sockopt_reuseaddr (accept_sock); sockopt_reuseport (accept_sock); + /* set non-blocking */ + ret = set_nonblocking(accept_sock); + if (ret < 0) + { + close (accept_sock); /* Avoid sd leak. */ + return; + } + /* Bind socket to universal address and given port. */ ret = sockunion_bind (accept_sock, &su, port, naddr); if (ret < 0) @@ -2186,7 +2206,7 @@ vty_serv_sock_family (const char* addr, unsigned short port, int family) ret = listen (accept_sock, 3); if (ret < 0) { - zlog (NULL, LOG_WARNING, "can't listen socket"); + uzlog (NULL, LOG_WARNING, "can't listen socket"); close (accept_sock); /* Avoid sd leak. */ return; } @@ -2239,7 +2259,7 @@ vty_serv_un (const char *path) ret = bind (sock, (struct sockaddr *) &serv, len); if (ret < 0) { - ulog(NULL, LOG_ERR, "Cannot bind path %s: %s", path, safe_strerror(errno)); + uzlog(NULL, LOG_ERR, "Cannot bind path %s: %s", path, safe_strerror(errno)); close (sock); /* Avoid sd leak. */ return; } @@ -3628,7 +3648,7 @@ vty_init_r (qpn_nexus cli_n, qpn_nexus bgp_n) { cli_nexus = cli_n; bgp_nexus = bgp_n; - qpt_mutex_init(&vty_mutex, qpt_mutex_quagga); + qpt_mutex_init(&vty_mutex, qpt_mutex_recursive); } /* threads: Install vty's own commands like `who' command. */ |