lib/pcap-file.h

   1 /*
   2  * Copyright (c) 2009 Nicira, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef PCAP_FILE_H
  18 #define PCAP_FILE_H 1
  19
  20 #include <stdio.h>
  21
  22 struct flow;
  23 struct dp_packet;
  24 struct pcap_file;
  25
  26 /* PCAP file reading and writing. */
  27 struct pcap_file *ovs_pcap_open(const char *file_name, const char *mode);
  28 struct pcap_file *ovs_pcap_stdout(void);
  29 int ovs_pcap_read_header(struct pcap_file *);
  30 void ovs_pcap_write_header(struct pcap_file *);
  31 int ovs_pcap_read(struct pcap_file *, struct dp_packet **,
  32                   long long int *when);
  33 void ovs_pcap_write(struct pcap_file *, struct dp_packet *);
  34 void ovs_pcap_close(struct pcap_file *);
  35 \f
  36 /* Extracting TCP stream data from an Ethernet packet capture. */
  37
  38 struct tcp_reader *tcp_reader_open(void);
  39 void tcp_reader_close(struct tcp_reader *);
  40 struct dp_packet *tcp_reader_run(struct tcp_reader *, const struct flow *,
  41                               const struct dp_packet *);
  42
  43 #endif /* pcap-file.h */