[patch] SCTP statistics patch for net-tools-1.60_p20141019041918

1002_net-tools-1.60-sctp-statistics.patch (text/plain), 16.73 KB, created by Joshua Kinard on 2014-10-20 11:29:48 UTC

diff -Naurp net-tools-1.60_p20141019041918.orig/netstat.c net-tools-1.60_p20141019041918/netstat.c
--- net-tools-1.60_p20141019041918.orig/netstat.c	2014-10-19 00:19:18.000000000 -0400
+++ net-tools-1.60_p20141019041918/netstat.c	2014-10-20 03:50:01.612699121 -0400
@@ -115,7 +115,7 @@
 #endif
 
 /* prototypes for statistics.c */
-void parsesnmp(int, int, int);
+void parsesnmp(int, int, int, int);
 void inittab(void);
 void parsesnmp6(int, int, int);
 void inittab6(void);
@@ -773,159 +773,269 @@ static int igmp_info(void)
 	       igmp_do_one, "igmp", "igmp6");
 }
 
-static int ip_parse_dots(uint32_t *addr, char const *src) {
-  unsigned  a, b, c, d;
-  unsigned  ret = 4-sscanf(src, "%u.%u.%u.%u", &a, &b, &c, &d);
-  *addr = htonl((a << 24)|(b << 16)|(c << 8)|d);
-  return  ret;
-}
-
-static void print_ip_service(struct sockaddr_in *addr, char const *protname,
-			     char *buf, unsigned size) {
-  struct aftype *ap;
-
-  if(size == 0)  return;
-
-  /* print host */
-  if((ap = get_afntype(addr->sin_family)) == NULL) {
-    fprintf(stderr, _("netstat: unsupported address family %d !\n"),
-	    addr->sin_family);
-    return;
-  }
-  safe_strncpy(buf, ap->sprint((struct sockaddr*)addr, flag_not), size);
-
-  /* print service */
-  if(flag_all || (flag_lst && !addr->sin_port) || (!flag_lst && addr->sin_port)) {
-    char  bfs[32];
-
-    snprintf(bfs, sizeof(bfs), "%s",
-	     get_sname(addr->sin_port, (char*)protname, flag_not & FLAG_NUM_PORT));
-
-    /* check if we must cut on host and/or service name */
-    {
-      unsigned const  bufl = strlen(buf);
-      unsigned const  bfsl = strlen(bfs);
-
-      if(bufl+bfsl+2 > size) {
-	unsigned const  half = (size-2)>>1;
-	if(bufl > half) {
-	  if(bfsl > half) {
-	    buf[size-2-half] = '\0';
-	    bfs[half+1]      = '\0';
-	  }
-	  else  buf[size-2-bfsl] = '\0';
-	}
-	else  bfs[size-2-bufl] = '\0';
-      }
+static const char *sctp_socket_state_str(int state)
+{
+    if(state>=0 && state<=10)
+        return tcp_state[state];
+    else {
+	static char state_str_buf[64];
+	sprintf(state_str_buf,"UNKNOWN(%d)",state);
+	return state_str_buf;
     }
-    strcat(buf, ":");
-    strcat(buf, bfs);
-  }
 }
 
-/* process single SCTP endpoint */
-static void sctp_do_ept(int lnr, char const *line, const char *prot)
+static struct aftype *process_sctp_addr_str(const char *addr_str, struct sockaddr *sa)
 {
-  struct sockaddr_in  laddr, raddr;
-  unsigned            uid, inode;
+    if (strchr(addr_str,':')) {
+#if HAVE_AFINET6
+	extern struct aftype inet6_aftype;
+	/* Demangle what the kernel gives us */
+	struct in6_addr in6;
+	char addr6_str[INET6_ADDRSTRLEN];
+	unsigned u0,u1,u2,u3,u4,u5,u6,u7;
+	sscanf(addr_str, "%04X:%04X:%04X:%04X:%04X:%04X:%04X:%04X",
+	       &u0, &u1, &u2, &u3, &u4, &u5, &u6, &u7);
+	in6.s6_addr16[0] = htons(u0);
+	in6.s6_addr16[1] = htons(u1);
+	in6.s6_addr16[2] = htons(u2);
+	in6.s6_addr16[3] = htons(u3);
+	in6.s6_addr16[4] = htons(u4);
+	in6.s6_addr16[5] = htons(u5);
+	in6.s6_addr16[6] = htons(u6);
+	in6.s6_addr16[7] = htons(u7);
+
+	inet_ntop(AF_INET6, &in6, addr6_str, sizeof(addr6_str));
+	inet6_aftype.input(1, addr6_str, sa);
+	sa->sa_family = AF_INET6;
+#endif
+    } else {
+	((struct sockaddr_in*)sa)->sin_addr.s_addr = inet_addr(addr_str);
+	sa->sa_family = AF_INET;
+    }
+    return get_afntype(sa->sa_family);
+}
 
-  char        l_addr[23], r_addr[23];
+static void sctp_eps_do_one(int lnr, char *line, const char *proto)
+{
+    char buffer[1024];
+    int state, port;
+    int uid;
+    unsigned long inode;
+    struct aftype *ap;
+#if HAVE_AFINET6
+    struct sockaddr_in6 localaddr;
+#else
+    struct sockaddr_in localaddr;
+#endif
+    const char *sst_str;
+    const char *lport_str;
+    const char *uid_str;
+    const char *inode_str;
+    char *laddrs_str;
+
+    if(lnr == 0) {
+        /* ENDPT     SOCK   STY SST HBKT LPORT   UID INODE LADDRS */
+        return;
+    }
+    strtok(line," \t\n"); /*skip endpt*/
+    strtok(0," \t\n");    /*skip sock*/
+    strtok(0," \t\n");    /*skp sty*/
+    sst_str = strtok(0," \t\n");
+    strtok(0," \t\n"); /*skip hash bucket*/
+    lport_str=strtok(0," \t\n");
+    uid_str = strtok(0," \t\n");
+    inode_str = strtok(0," \t\n");
+    laddrs_str=strtok(0,"\t\n");
+
+    if (!sst_str || !lport_str || !uid_str || !inode_str) {
+        fprintf(stderr, _("warning, got bogus sctp eps line.\n"));
+        return;
+    }
+    state = atoi(sst_str);
+    port = atoi(lport_str);
+    uid = atoi(uid_str);
+    inode = strtoul(inode_str,0,0);
+
+    const char *this_local_addr;
+    int first=1;
+    char local_port[16];
+    snprintf(local_port, sizeof(local_port), "%s",
+        get_sname(htons(port), proto, flag_not & FLAG_NUM_PORT));
+    for(this_local_addr=strtok(laddrs_str," \t\n");
+        this_local_addr;
+        this_local_addr=strtok(0," \t\n"))
+    {
+        char local_addr[64];
+        ap = process_sctp_addr_str(this_local_addr, (struct sockaddr*)&localaddr);
+        if(ap)
+            safe_strncpy(local_addr,
+                ap->sprint((struct sockaddr *) &localaddr, flag_not),
+                sizeof(local_addr));
+        else
+            sprintf(local_addr,_("unsupported address family %d"), ((struct sockaddr*)&localaddr)->sa_family);
+
+        if(!first) printf("\n");
+        if(first)
+            printf("sctp                ");
+        else
+            printf("                    ");
+        sprintf(buffer,"%s:%s", local_addr, local_port);
+        printf("%-47s", buffer);
+        printf(" %-11s", first?sctp_socket_state_str(state):"");
+        first = 0;
+    }
+    finish_this_one(uid,inode,"");
+}
+
+static void sctp_assoc_do_one(int lnr, char *line, const char *proto)
+{
+    char buffer[1024];
+    int state, lport,rport;
+    int uid;
+    unsigned rxqueue,txqueue;
+    unsigned long inode;
+ 
+    struct aftype *ap;
+#if HAVE_AFINET6
+    struct sockaddr_in6 localaddr,remoteaddr;
+#else
+    struct sockaddr_in localaddr,remoteaddr;
+#endif
+    const char *sst_str;
+    const char *txqueue_str;
+    const char *rxqueue_str;
+    const char *lport_str,*rport_str;
+    const char *uid_str;
+    const char *inode_str;
+    char *laddrs_str;
+    char *raddrs_str;
 
-  /* fill sockaddr_in structures */
-  {
-    unsigned  lport;
-    unsigned  ate;
-
-    if(lnr == 0)  return;
-    if(sscanf(line, "%*X %*X %*u %*u %*u %u %u %u %n",
-	      &lport, &uid, &inode, &ate) < 3)  goto err;
-
-    /* decode IP address */
-    if(ip_parse_dots(&laddr.sin_addr.s_addr, line+ate))  goto err;
-    raddr.sin_addr.s_addr = htonl(0);
-    laddr.sin_family = raddr.sin_family = AF_INET;
-    laddr.sin_port = htons(lport);
-    raddr.sin_port = htons(0);
-  }
+    if(lnr == 0) {
+	/* ASSOC     SOCK   STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT RPORT LADDRS <-> RADDRS */
+	return;
+    }
 
-  /* print IP:service to l_addr and r_addr */
-  print_ip_service(&laddr, prot, l_addr, sizeof(l_addr));
-  print_ip_service(&raddr, prot, r_addr, sizeof(r_addr));
-
-  /* Print line */
-  printf("%-4s  %6d %6d %-*s %-*s %-11s",
-	 prot, 0, 0,
-	 (int)netmax(23,strlen(l_addr)), l_addr,
-	 (int)netmax(23,strlen(r_addr)), r_addr,
-	 _(tcp_state[TCP_LISTEN]));
-  finish_this_one(uid, inode, "");
-  return;
- err:
-  fprintf(stderr, "SCTP error in line: %d\n", lnr);
-}
-
-/* process single SCTP association */
-static void sctp_do_assoc(int lnr, char const *line, const char *prot)
-{
-  struct sockaddr_in  laddr, raddr;
-  unsigned long       rxq, txq;
-  unsigned            uid, inode;
-
-  char        l_addr[23], r_addr[23];
-
-  /* fill sockaddr_in structures */
-  {
-    unsigned    lport, rport;
-    unsigned    ate;
-    char const *addr;
-
-    if(lnr == 0)  return;
-    if(sscanf(line, "%*X %*X %*u %*u %*u %*u %*u %lu %lu %u %u %u %u %n",
-	      &txq, &rxq, &uid, &inode, &lport, &rport, &ate) < 6)  goto err;
-
-    /* decode IP addresses */
-    addr = strchr(line+ate, '*');
-    if(addr == 0)  goto err;
-    if(ip_parse_dots(&laddr.sin_addr.s_addr, ++addr))  goto err;
-    addr = strchr(addr, '*');
-    if(addr == 0)  goto err;
-    if(ip_parse_dots(&raddr.sin_addr.s_addr, ++addr))  goto err;
-
-    /* complete sockaddr_in structures */
-    laddr.sin_family = raddr.sin_family = AF_INET;
-    laddr.sin_port = htons(lport);
-    raddr.sin_port = htons(rport);
-  }
+    strtok(line," \t\n"); /*skip assoc*/
+    strtok(0," \t\n");    /*skip sock*/
+    strtok(0," \t\n");    /*skp sty*/
+    sst_str = strtok(0," \t\n");
+    strtok(0," \t\n");
+    strtok(0," \t\n"); /*skip hash bucket*/
+    strtok(0," \t\n"); /*skip hash assoc-id*/
+    txqueue_str =  strtok(0," \t\n");
+    rxqueue_str =  strtok(0," \t\n");
+    uid_str = strtok(0," \t\n");
+    inode_str = strtok(0," \t\n");
+    lport_str=strtok(0," \t\n");
+    rport_str=strtok(0," \t\n");
+    laddrs_str = strtok(0,"<->\t\n");
+    raddrs_str = strtok(0,"<->\t\n");
+
+    if (!sst_str || !txqueue_str || !rxqueue_str || !uid_str ||
+        !inode_str || !lport_str || !rport_str) {
+        fprintf(stderr, _("warning, got bogus sctp assoc line.\n"));
+        return;
+    }
+
+    state = atoi(sst_str);
+    txqueue = atoi(txqueue_str);
+    rxqueue = atoi(rxqueue_str);
+    uid = atoi(uid_str);
+    inode = strtoul(inode_str,0,0);
+    lport = atoi(lport_str);
+    rport = atoi(rport_str);
+
+    /*print all addresses*/
+    const char *this_local_addr;
+    const char *this_remote_addr;
+    char *ss1,*ss2;
+    int first=1;
+    char local_port[16];
+    char remote_port[16];
+    snprintf(local_port, sizeof(local_port), "%s",
+             get_sname(htons(lport), proto,
+             flag_not & FLAG_NUM_PORT));
+    snprintf(remote_port, sizeof(remote_port), "%s",
+             get_sname(htons(rport), proto,
+             flag_not & FLAG_NUM_PORT));
+
+    this_local_addr=strtok_r(laddrs_str," \t\n",&ss1);
+    this_remote_addr=strtok_r(raddrs_str," \t\n",&ss2);
+    while(this_local_addr || this_remote_addr) {
+        char local_addr[64];
+        char remote_addr[64];
+
+        if(this_local_addr) {
+            if (this_local_addr[0] == '*') {
+                /* skip * */
+                this_local_addr++;
+            }
+            ap = process_sctp_addr_str(this_local_addr, (struct sockaddr*)&localaddr);
+            if(ap)
+                safe_strncpy(local_addr,
+                    ap->sprint((struct sockaddr *) &localaddr, flag_not), sizeof(local_addr));
+		else
+                    sprintf(local_addr,_("unsupported address family %d"), ((struct sockaddr*)&localaddr)->sa_family);
+        }
+	if(this_remote_addr) {
+            if (this_remote_addr[0] == '*') {
+                /* skip * */
+                this_remote_addr++;
+            }
+            ap = process_sctp_addr_str(this_remote_addr, (struct sockaddr*)&remoteaddr);
+            if(ap)
+                safe_strncpy(remote_addr,
+                    ap->sprint((struct sockaddr *) &remoteaddr, flag_not), sizeof(remote_addr));
+		else
+                    sprintf(remote_addr,_("unsupported address family %d"), ((struct sockaddr*)&remoteaddr)->sa_family);
+       }
 
-  /* print IP:service to l_addr and r_addr */
-  print_ip_service(&laddr, prot, l_addr, sizeof(l_addr));
-  print_ip_service(&raddr, prot, r_addr, sizeof(r_addr));
-
-  /* Print line */
-  printf("%-4s  %6ld %6ld %-*s %-*s %-11s",
-	 prot, rxq, txq,
-	 (int)netmax(23,strlen(l_addr)), l_addr,
-	 (int)netmax(23,strlen(r_addr)), r_addr,
-	 _(tcp_state[TCP_ESTABLISHED]));
-  finish_this_one(uid, inode, "");
-  return;
- err:
-  fprintf(stderr, "SCTP error in line: %d\n", lnr);
+       if(!first) printf("\n");
+       if(first)
+           printf("sctp  %6u %6u ", rxqueue, txqueue);
+       else
+           printf("                    ");
+       if(this_local_addr) {
+           if(first)
+               sprintf(buffer,"%s:%s", local_addr, local_port);
+           else
+               sprintf(buffer,"%s", local_addr);
+           printf("%-23s", buffer);
+       } else
+           printf("%-23s", "");
+       printf(" ");
+       if(this_remote_addr) {
+           if(first)
+               sprintf(buffer,"%s:%s", remote_addr, remote_port);
+           else
+               sprintf(buffer,"%s", remote_addr);
+           printf("%-23s", buffer);
+       } else
+       printf("%-23s", "");
+
+       printf(" %-11s", first?sctp_socket_state_str(state):"");
+
+       first = 0;
+       this_local_addr=strtok_r(0," \t\n",&ss1);
+       this_remote_addr=strtok_r(0," \t\n",&ss2);
+    }
+    finish_this_one(uid,inode,"");
 }
 
-static int sctp_info_epts(void) {
+static int sctp_info_eps(void)
+{
   INFO_GUTS6(_PATH_PROCNET_SCTPEPTS, _PATH_PROCNET_SCTP6EPTS, "AF INET (sctp)",
-	     sctp_do_ept, "sctp", "sctp6");
+            sctp_eps_do_one, "sctp", "sctp6");
 }
 
 static int sctp_info_assocs(void) {
   INFO_GUTS6(_PATH_PROCNET_SCTPASSOCS, _PATH_PROCNET_SCTP6ASSOCS, "AF INET (sctp)",
-	     sctp_do_assoc, "sctp", "sctp6");
+            sctp_assoc_do_one, "sctp", "sctp6");
 }
 
 static int sctp_info(void) {
   int  res;
-  res = sctp_info_epts();
+  res = sctp_info_eps();
   if(res)  return  res;
   return  sctp_info_assocs();
 }
@@ -2094,7 +2204,7 @@ int main
         if (!strcmp(afname, "inet")) {
 #if HAVE_AFINET
             inittab();
-            parsesnmp(flag_raw, flag_tcp, flag_udp);
+            parsesnmp(flag_raw, flag_tcp, flag_udp, flag_sctp);
 #else
             ENOSUPP("netstat", "AF INET");
 #endif
diff -Naurp net-tools-1.60_p20141019041918.orig/statistics.c net-tools-1.60_p20141019041918/statistics.c
--- net-tools-1.60_p20141019041918.orig/statistics.c	2014-10-19 00:19:18.000000000 -0400
+++ net-tools-1.60_p20141019041918/statistics.c	2014-10-20 03:51:44.782699513 -0400
@@ -21,7 +21,7 @@
 #define UFWARN(x)
 #endif
 
-int print_static,f_raw,f_tcp,f_udp,f_unknown = 1;
+int print_static,f_raw,f_tcp,f_udp,f_sctp,f_unknown = 1;
 
 enum State {
     number = 0, opt_number, i_forward, i_inp_icmp, i_outp_icmp, i_rto_alg,
@@ -299,6 +299,27 @@ struct entry Tcpexttab[] =
     { "TCPRenoRecoveryFail", N_("%llu classic Reno fast retransmits failed"), opt_number },
 };
 
+struct entry Sctptab[] =
+{
+    {"SctpCurrEstab", N_("%llu Current Associations"), number},
+    {"SctpActiveEstabs", N_("%llu Active Associations"), number},
+    {"SctpPassiveEstabs", N_("%llu Passive Associations"), number},
+    {"SctpAborteds", N_("%llu Number of Aborteds "), number},
+    {"SctpShutdowns", N_("%llu Number of Graceful Terminations"), number},
+    {"SctpOutOfBlues", N_("%llu Number of Out of Blue packets"), number},
+    {"SctpChecksumErrors", N_("%llu Number of Packets with invalid Checksum"), number},
+    {"SctpOutCtrlChunks", N_("%llu Number of control chunks sent"), number},
+    {"SctpOutOrderChunks", N_("%llu Number of ordered chunks sent"), number},
+    {"SctpOutUnorderChunks", N_("%llu Number of Unordered chunks sent"), number},
+    {"SctpInCtrlChunks", N_("%llu Number of control chunks received"), number},
+    {"SctpInOrderChunks", N_("%llu Number of ordered chunks received"), number},
+    {"SctpInUnorderChunks", N_("%llu Number of Unordered chunks received"), number},
+    {"SctpFragUsrMsgs", N_("%llu Number of messages fragmented"), number},
+    {"SctpReasmUsrMsgs", N_("%llu Number of messages reassembled "), number},
+    {"SctpOutSCTPPacks", N_("%llu Number of SCTP packets sent"), number},
+    {"SctpInSCTPPacks", N_("%llu Number of SCTP packets received"), number},
+};
+
 struct tabtab {
     char *title;
     struct entry *tab;
@@ -312,6 +333,7 @@ struct tabtab snmptabs[] =
     {"Icmp", Icmptab, sizeof(Icmptab), &f_raw},
     {"Tcp", Tcptab, sizeof(Tcptab), &f_tcp},
     {"Udp", Udptab, sizeof(Udptab), &f_udp},
+    {"Sctp", Sctptab, sizeof(Sctptab), &f_sctp},
     {"TcpExt", Tcpexttab, sizeof(Tcpexttab), &f_tcp},
     {NULL}
 };
@@ -502,11 +524,37 @@ void process6_fd(FILE *f)
 
 }
 
-void parsesnmp(int flag_raw, int flag_tcp, int flag_udp)
+/* Process a file with name-value lines (like /proc/net/sctp/snmp) */
+void process_fd2(FILE *f, const char *filename)
+{
+    char buf1[1024];
+    char *sp;
+    struct tabtab *tab;
+
+    tab = newtable(snmptabs, "Sctp");
+
+    while (fgets(buf1, sizeof buf1, f)) {
+	sp = buf1 + strcspn(buf1, " \t\n");
+	if (!sp) {
+	    fprintf(stderr,_("error parsing %s\n"), filename);
+	    return;
+	}
+	*sp = '\0';
+	sp++;
+
+	sp += strspn(sp, " \t\n");
+
+	if (*sp != '\0' && *(tab->flag))
+	    printval(tab, buf1, strtoul(sp, 0, 10));
+    }
+    return;
+}
+
+int parsesnmp(int flag_raw, int flag_tcp, int flag_udp, int flag_sctp)
 {
     FILE *f;
 
-    f_raw = flag_raw; f_tcp = flag_tcp; f_udp = flag_udp;
+    f_raw = flag_raw; f_tcp = flag_tcp; f_udp = flag_udp; f_sctp = flag_sctp;
 
     f = proc_fopen("/proc/net/snmp");
     if (!f) {
@@ -533,6 +581,17 @@ void parsesnmp(int flag_raw, int flag_tc
 
         fclose(f);
     }
+
+    f = proc_fopen("/proc/net/sctp/snmp");
+    if (f) {
+	process_fd2(f,"/proc/net/sctp/snmp");
+	if (ferror(f)) {
+	    perror("/proc/net/sctp/snmp");
+	    fclose(f);
+	    return(1);
+	}
+    }
+
     return;
 }