diff options
Diffstat (limited to 'bgpd/rfapi/rfapi_nve_addr.c')
| -rw-r--r-- | bgpd/rfapi/rfapi_nve_addr.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/bgpd/rfapi/rfapi_nve_addr.c b/bgpd/rfapi/rfapi_nve_addr.c new file mode 100644 index 0000000..b8193f1 --- /dev/null +++ b/bgpd/rfapi/rfapi_nve_addr.c @@ -0,0 +1,158 @@ +/* + * + * Copyright 2009-2016, LabN Consulting, L.L.C. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include "lib/zebra.h" +#include "lib/prefix.h" +#include "lib/agg_table.h" +#include "lib/vty.h" +#include "lib/memory.h" +#include "lib/skiplist.h" + + +#include "bgpd/bgpd.h" + +#include "bgpd/rfapi/bgp_rfapi_cfg.h" +#include "bgpd/rfapi/rfapi.h" +#include "bgpd/rfapi/rfapi_backend.h" + +#include "bgpd/rfapi/rfapi_import.h" +#include "bgpd/rfapi/rfapi_private.h" +#include "bgpd/rfapi/rfapi_nve_addr.h" +#include "bgpd/rfapi/rfapi_vty.h" +#include "bgpd/rfapi/vnc_debug.h" + +#define DEBUG_NVE_ADDR 0 + +void rfapiNveAddr2Str(struct rfapi_nve_addr *, char *, int); + + +#if DEBUG_NVE_ADDR +static void logdifferent(const char *tag, struct rfapi_nve_addr *a, + struct rfapi_nve_addr *b) +{ + char a_str[BUFSIZ]; + char b_str[BUFSIZ]; + + rfapiNveAddr2Str(a, a_str, BUFSIZ); + rfapiNveAddr2Str(b, b_str, BUFSIZ); + vnc_zlog_debug_verbose("%s: [%s] [%s]", tag, a_str, b_str); +} +#endif + + +int rfapi_nve_addr_cmp(const void *k1, const void *k2) +{ + const struct rfapi_nve_addr *a = (struct rfapi_nve_addr *)k1; + const struct rfapi_nve_addr *b = (struct rfapi_nve_addr *)k2; + int ret = 0; + + if (!a || !b) { +#if DEBUG_NVE_ADDR + vnc_zlog_debug_verbose("%s: missing address a=%p b=%p", + __func__, a, b); +#endif + return (a - b); + } + if (a->un.addr_family != b->un.addr_family) { +#if DEBUG_NVE_ADDR + vnc_zlog_debug_verbose( + "diff: UN addr fam a->un.af=%d, b->un.af=%d", + a->un.addr_family, b->un.addr_family); +#endif + return (a->un.addr_family - b->un.addr_family); + } + if (a->un.addr_family == AF_INET) { + ret = IPV4_ADDR_CMP(&a->un.addr.v4, &b->un.addr.v4); + if (ret != 0) { +#if DEBUG_NVE_ADDR + logdifferent("diff: UN addr", a, b); +#endif + return ret; + } + } else if (a->un.addr_family == AF_INET6) { + ret = IPV6_ADDR_CMP(&a->un.addr.v6, &b->un.addr.v6); + if (ret == 0) { +#if DEBUG_NVE_ADDR + logdifferent("diff: UN addr", a, b); +#endif + return ret; + } + } else { + assert(0); + } + if (a->vn.addr_family != b->vn.addr_family) { +#if DEBUG_NVE_ADDR + vnc_zlog_debug_verbose( + "diff: pT addr fam a->vn.af=%d, b->vn.af=%d", + a->vn.addr_family, b->vn.addr_family); +#endif + return (a->vn.addr_family - b->vn.addr_family); + } + if (a->vn.addr_family == AF_INET) { + ret = IPV4_ADDR_CMP(&a->vn.addr.v4, &b->vn.addr.v4); + if (ret != 0) { +#if DEBUG_NVE_ADDR + logdifferent("diff: VN addr", a, b); +#endif + return ret; + } + } else if (a->vn.addr_family == AF_INET6) { + ret = IPV6_ADDR_CMP(&a->vn.addr.v6, &b->vn.addr.v6); + if (ret == 0) { +#if DEBUG_NVE_ADDR + logdifferent("diff: VN addr", a, b); +#endif + return ret; + } + } else { + assert(0); + } + return 0; +} + +void rfapiNveAddr2Str(struct rfapi_nve_addr *na, char *buf, int bufsize) +{ + char *p = buf; + int r; + +#define REMAIN (bufsize - (p-buf)) +#define INCP {p += (r > REMAIN)? REMAIN: r;} + + if (bufsize < 1) + return; + + r = snprintf(p, REMAIN, "VN="); + INCP; + + if (!rfapiRfapiIpAddr2Str(&na->vn, p, REMAIN)) + goto done; + + buf[bufsize - 1] = 0; + p = buf + strlen(buf); + + r = snprintf(p, REMAIN, ", UN="); + INCP; + + rfapiRfapiIpAddr2Str(&na->un, p, REMAIN); + +done: + buf[bufsize - 1] = 0; +} |