diff options
Diffstat (limited to 'src/core/lib/iomgr/sockaddr_utils.c')
| -rw-r--r-- | src/core/lib/iomgr/sockaddr_utils.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/core/lib/iomgr/sockaddr_utils.c b/src/core/lib/iomgr/sockaddr_utils.c index ffa62cb53c..9d2732666b 100644 --- a/src/core/lib/iomgr/sockaddr_utils.c +++ b/src/core/lib/iomgr/sockaddr_utils.c @@ -162,6 +162,7 @@ int grpc_sockaddr_to_string(char **out, char ntop_buf[INET6_ADDRSTRLEN]; const void *ip = NULL; int port; + uint32_t sin6_scope_id = 0; int ret; *out = NULL; @@ -177,10 +178,19 @@ int grpc_sockaddr_to_string(char **out, const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6 *)addr; ip = &addr6->sin6_addr; port = ntohs(addr6->sin6_port); + sin6_scope_id = addr6->sin6_scope_id; } if (ip != NULL && grpc_inet_ntop(addr->sa_family, ip, ntop_buf, sizeof(ntop_buf)) != NULL) { - ret = gpr_join_host_port(out, ntop_buf, port); + if (sin6_scope_id != 0) { + char *host_with_scope; + /* Enclose sin6_scope_id with the format defined in RFC 6784 section 2. */ + gpr_asprintf(&host_with_scope, "%s%%25%" PRIu32, ntop_buf, sin6_scope_id); + ret = gpr_join_host_port(out, host_with_scope, port); + gpr_free(host_with_scope); + } else { + ret = gpr_join_host_port(out, ntop_buf, port); + } } else { ret = gpr_asprintf(out, "(sockaddr family=%d)", addr->sa_family); } |