Add IPv6 support for OpenFlow, OVSDB, NetFlow, and sFlow.

[sliver-openvswitch.git] / lib / stream-tcp.c

diff --git a/lib/stream-tcp.c b/lib/stream-tcp.c
index b3237d6..55e5818 100644 (file)
--- a/lib/stream-tcp.c
+++ b/lib/stream-tcp.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2012, 2013, 2014 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,10 +21,12 @@
 #include <sys/types.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
+#include <netdb.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <unistd.h>
+#include "dynamic-string.h"
 #include "packets.h"
 #include "socket-util.h"
 #include "util.h"
@@ -40,13 +42,13 @@ static int
 new_tcp_stream(const char *name, int fd, int connect_status,
                struct stream **streamp)
 {
-    struct sockaddr_in local;
+    struct sockaddr_storage local;
     socklen_t local_len = sizeof local;
     int on = 1;
     int retval;
 
     /* Get the local IP and port information */
-    retval = getsockname(fd, (struct sockaddr *)&local, &local_len);
+    retval = getsockname(fd, (struct sockaddr *) &local, &local_len);
     if (retval) {
         memset(&local, 0, sizeof local);
     }
@@ -90,47 +92,47 @@ const struct stream_class tcp_stream_class = {
 \f
 /* Passive TCP. */
 
-static int ptcp_accept(int fd, const struct sockaddr *sa, size_t sa_len,
-                       struct stream **streamp);
+static int ptcp_accept(int fd, const struct sockaddr_storage *,
+                       size_t, struct stream **streamp);
 
 static int
 ptcp_open(const char *name OVS_UNUSED, char *suffix, struct pstream **pstreamp,
           uint8_t dscp)
 {
-    struct sockaddr_in sin;
-    char bound_name[128];
+    char bound_name[SS_NTOP_BUFSIZE + 16];
+    char addrbuf[SS_NTOP_BUFSIZE];
+    struct sockaddr_storage ss;
+    uint16_t port;
     int error;
     int fd;
 
-    fd = inet_open_passive(SOCK_STREAM, suffix, -1, &sin, dscp);
+    fd = inet_open_passive(SOCK_STREAM, suffix, -1, &ss, dscp);
     if (fd < 0) {
         return -fd;
     }
 
-    sprintf(bound_name, "ptcp:%"PRIu16":"IP_FMT,
-            ntohs(sin.sin_port), IP_ARGS(sin.sin_addr.s_addr));
+    port = ss_get_port(&ss);
+    snprintf(bound_name, sizeof bound_name, "ptcp:%"PRIu16":%s",
+             port, ss_format_address(&ss, addrbuf, sizeof addrbuf));
+
     error = new_fd_pstream(bound_name, fd, ptcp_accept, set_dscp, NULL,
                            pstreamp);
     if (!error) {
-        pstream_set_bound_port(*pstreamp, sin.sin_port);
+        pstream_set_bound_port(*pstreamp, htons(port));
     }
     return error;
 }
 
 static int
-ptcp_accept(int fd, const struct sockaddr *sa, size_t sa_len,
-            struct stream **streamp)
+ptcp_accept(int fd, const struct sockaddr_storage *ss,
+            size_t ss_len OVS_UNUSED, struct stream **streamp)
 {
-    const struct sockaddr_in *sin = ALIGNED_CAST(const struct sockaddr_in *,
-                                                 sa);
-    char name[128];
+    char name[SS_NTOP_BUFSIZE + 16];
+    char addrbuf[SS_NTOP_BUFSIZE];
 
-    if (sa_len == sizeof(struct sockaddr_in) && sin->sin_family == AF_INET) {
-        sprintf(name, "tcp:"IP_FMT, IP_ARGS(sin->sin_addr.s_addr));
-        sprintf(strchr(name, '\0'), ":%"PRIu16, ntohs(sin->sin_port));
-    } else {
-        strcpy(name, "tcp");
-    }
+    snprintf(name, sizeof name, "tcp:%s:%"PRIu16,
+             ss_format_address(ss, addrbuf, sizeof addrbuf),
+             ss_get_port(ss));
     return new_tcp_stream(name, fd, 0, streamp);
 }