Changeset 34305 in vbox

Timestamp:

Nov 24, 2010 6:21:52 AM (14 years ago)

Author:

vboxsync

Message:

NAT: routines printing TCB and TCP segment.

File:

• trunk/src/VBox/Devices/Network/slirp/debug.c (modified) (2 diffs)

trunk/src/VBox/Devices/Network/slirp/debug.c

@@ -297 +297 @@
             IP4_ADDR_PRINTF_DECOMP(RT_N2H_U32(in_addr->sin_addr.s_addr)),
             RT_N2H_U16(in_addr->sin_port));
+}
+
+/**
+ *  Print callback dumping TCP Control Block in terms of RFC 793.
+ */
+static DECLCALLBACK(size_t)
+printTcpcbRfc793(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput, 
+                 const char *pszType, void const *pvValue,
+                 int cchWidth, int cchPrecision, unsigned fFlags,
+                 void *pvUser)
+{
+    size_t cb = 0;
+    const struct tcpcb *tp = (const struct tcpcb *)pvValue; 
+    AssertReturn(RTStrCmp(pszType, "tcpcb793") == 0 && tp, 0);
+    cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "TCB793[ SND(UNA: %x, NXT: %x, UP: %x, WND: %x, WL1:%x, WL2:%x, ISS:%x), ", 
+                      tp->snd_una, tp->snd_nxt, tp->snd_up, tp->snd_wnd, tp->snd_wl1, tp->snd_wl2, tp->iss);
+    cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "RCV(WND: %x, NXT: %x, UP: %x, IRS:%x)]", tp->rcv_wnd, tp->rcv_nxt, tp->rcv_up, tp->irs);
+    return cb;
+}
+/*
+ * Prints TCP segment in terms of RFC 793.
+ */
+static DECLCALLBACK(size_t)
+printTcpSegmentRfc793(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput, 
+                 const char *pszType, void const *pvValue,
+                 int cchWidth, int cchPrecision, unsigned fFlags,
+                 void *pvUser)
+{
+    size_t cb = 0;
+    const struct tcpiphdr *ti = (const struct tcpiphdr *)pvValue; 
+    AssertReturn(RTStrCmp(pszType, "tcpseg793") == 0 && ti, 0);
+    cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "SEG[ACK: %x, SEQ: %x, LEN: %x, WND: %x, UP: %x]", 
+                      ti->ti_ack, ti->ti_seq, ti->ti_len, ti->ti_win, ti->ti_urp);
+    return cb;
 }
 
@@ -369 +403 @@
             print_networkevents, NULL);
         AssertRC(rc);
+        rc = RTStrFormatTypeRegister("tcpcb793", printTcpcbRfc793, NULL);
+        AssertRC(rc);
+        rc = RTStrFormatTypeRegister("tcpseg793", printTcpSegmentRfc793, NULL);
+        AssertRC(rc);
         g_fFormatRegistered = 1;
     }