Renamed the `named'-plugin to `dns'-plugin.

[collectd.git] / src / utils_dns.h

diff --git a/src/utils_dns.h b/src/utils_dns.h
new file mode 100644 (file)
index 0000000..6a613a7
--- /dev/null
+++ b/src/utils_dns.h
@@ -0,0 +1,81 @@
+#ifndef COLLECTD_UTILS_DNS_H
+#define COLLECTD_UTILS_DNS_H 1
+/*
+ * collectd - src/utils_dns.h
+ * Copyright (C) 2006  Florian octo Forster
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The Measurement Factory nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors:
+ *   Florian octo Forster <octo at verplant.org>
+ */
+
+#include <arpa/nameser.h>
+#include <pcap.h>
+
+#define T_MAX 65536
+#define OP_MAX 16
+#define C_MAX 65536
+#define MAX_QNAME_SZ 512
+
+struct rfc1035_header_s {
+    uint16_t id;
+    unsigned int qr:1;
+    unsigned int opcode:4;
+    unsigned int aa:1;
+    unsigned int tc:1;
+    unsigned int rd:1;
+    unsigned int ra:1;
+    unsigned int z:1;
+    unsigned int ad:1;
+    unsigned int cd:1;
+    unsigned int rcode:4;
+    uint16_t qdcount;
+    uint16_t ancount;
+    uint16_t nscount;
+    uint16_t arcount;
+    uint16_t qtype;
+    uint16_t qclass;
+    char     qname[MAX_QNAME_SZ];
+    uint16_t length;
+};
+typedef struct rfc1035_header_s rfc1035_header_t;
+
+extern int qtype_counts[T_MAX];
+extern int opcode_counts[OP_MAX];
+extern int qclass_counts[C_MAX];
+
+void dnstop_set_pcap_obj (pcap_t *po);
+void dnstop_set_callback (void (*cb) (const rfc1035_header_t *));
+
+void ignore_list_add_name (const char *name);
+void handle_pcap (u_char * udata, const struct pcap_pkthdr *hdr, const u_char * pkt);
+
+const char *qtype_str(int t);
+const char *opcode_str(int o);
+const char *rcode_str (int r);
+
+#endif /* !COLLECTD_UTILS_DNS_H */