NDOize OSPFv3 decoder

[tcpdump] / print-openflow.c

diff --git a/print-openflow.c b/print-openflow.c
index 5dbefac09a83f435712d0ba6e231593df574b73c..9a675855302c2a0765101fce97483ab5462f1a61 100644 (file)
--- a/print-openflow.c
+++ b/print-openflow.c
@@ -30,6 +30,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -40,18 +41,21 @@
 #include "extract.h"
 #include "openflow.h"
 
+static const char tstr[] = " [|openflow]";
+static const char cstr[] = " (corrupt)";
+
 #define OF_VER_1_0    0x01
 
 static void
-of_header_print(const uint8_t version, const uint8_t type,
+of_header_print(netdissect_options *ndo, const uint8_t version, const uint8_t type,
                       const uint16_t length, const uint32_t xid) {
-       printf("\n\tversion unknown (0x%02x), type 0x%02x, length %u, xid 0x%08x",
-              version, type, length, xid);
+       ND_PRINT((ndo, "\n\tversion unknown (0x%02x), type 0x%02x, length %u, xid 0x%08x",
+              version, type, length, xid));
 }
 
 /* Print a single OpenFlow message. */
 static const u_char *
-of_header_body_print(const u_char *cp, const u_char *ep) {
+of_header_body_print(netdissect_options *ndo, const u_char *cp, const u_char *ep) {
        uint8_t version, type;
        uint16_t length;
        uint32_t xid;
@@ -59,19 +63,19 @@ of_header_body_print(const u_char *cp, const u_char *ep) {
        if (ep < cp + OF_HEADER_LEN)
                goto corrupt;
        /* version */
-       TCHECK2(*cp, 1);
+       ND_TCHECK2(*cp, 1);
        version = *cp;
        cp += 1;
        /* type */
-       TCHECK2(*cp, 1);
+       ND_TCHECK2(*cp, 1);
        type = *cp;
        cp += 1;
        /* length */
-       TCHECK2(*cp, 2);
+       ND_TCHECK2(*cp, 2);
        length = EXTRACT_16BITS(cp);
        cp += 2;
        /* xid */
-       TCHECK2(*cp, 4);
+       ND_TCHECK2(*cp, 4);
        xid = EXTRACT_32BITS(cp);
        cp += 4;
        /* Message length includes the header length and a message always includes
@@ -80,36 +84,36 @@ of_header_body_print(const u_char *cp, const u_char *ep) {
         * message as possible even when it does not end within the current TCP
         * segment. */
        if (length < OF_HEADER_LEN) {
-               of_header_print(version, type, length, xid);
+               of_header_print(ndo, version, type, length, xid);
                goto corrupt;
        }
        /* Decode known protocol versions further without printing the header (the
         * type decoding is version-specific. */
        switch (version) {
        case OF_VER_1_0:
-               return of10_header_body_print(cp, ep, type, length, xid);
+               return of10_header_body_print(ndo, cp, ep, type, length, xid);
        default:
-               of_header_print(version, type, length, xid);
-               TCHECK2(*cp, length - OF_HEADER_LEN);
+               of_header_print(ndo, version, type, length, xid);
+               ND_TCHECK2(*cp, length - OF_HEADER_LEN);
                return cp + length - OF_HEADER_LEN; /* done with current message */
        }
 
 corrupt: /* fail current packet */
-       printf(" (corrupt)");
-       TCHECK2(*cp, ep - cp);
+       ND_PRINT((ndo, "%s", cstr));
+       ND_TCHECK2(*cp, ep - cp);
        return ep;
 trunc:
-       printf(" [|openflow]");
+       ND_PRINT((ndo, "%s", tstr));
        return ep;
 }
 
 /* Print a TCP segment worth of OpenFlow messages presuming the segment begins
  * on a message boundary. */
 void
-openflow_print(const u_char *cp, const u_int len) {
+openflow_print(netdissect_options *ndo, const u_char *cp, const u_int len) {
        const u_char *ep = cp + len;
 
-       printf(": OpenFlow");
+       ND_PRINT((ndo, ": OpenFlow"));
        while (cp < ep)
-               cp = of_header_body_print(cp, ep);
+               cp = of_header_body_print(ndo, cp, ep);
 }