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Diffstat (limited to '')
| -rw-r--r-- | src/pcap-thread/pcap_thread.h | 640 |
1 files changed, 640 insertions, 0 deletions
diff --git a/src/pcap-thread/pcap_thread.h b/src/pcap-thread/pcap_thread.h new file mode 100644 index 0000000..ce43b5a --- /dev/null +++ b/src/pcap-thread/pcap_thread.h @@ -0,0 +1,640 @@ +/* + * Author Jerry Lundström <jerry@dns-oarc.net> + * Copyright (c) 2016-2017, OARC, Inc. + * 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 copyright holder 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 HOLDER 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. + */ + +#ifndef __pcap_thread_h +#define __pcap_thread_h + +#ifdef HAVE_PTHREAD +#include <pthread.h> +#endif +#include <pcap/pcap.h> +#include <sys/socket.h> +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#else +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#else +#include <time.h> +#endif +#endif +#include <sys/types.h> +#include <netinet/in.h> +#include <net/if_arp.h> +#include <netinet/if_ether.h> +#include <netinet/ip.h> +#include <netinet/ip6.h> +#ifdef HAVE_ENDIAN_H +#include <endian.h> +#endif +#ifdef HAVE_SYS_ENDIAN_H +#include <sys/endian.h> +#endif +#ifdef HAVE_MACHINE_ENDIAN_H +#include <machine/endian.h> +#endif + +#ifndef __BYTE_ORDER +#if defined(BYTE_ORDER) +#define __BYTE_ORDER BYTE_ORDER +#elif defined(_BYTE_ORDER) +#define __BYTE_ORDER _BYTE_ORDER +#else +#error "No endian byte order define, please fix" +#endif +#endif +#ifndef __LITTLE_ENDIAN +#if defined(LITTLE_ENDIAN) +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#elif defined(_LITTLE_ENDIAN) +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#else +#error "No little endian define, please fix" +#endif +#endif +#ifndef __BIG_ENDIAN +#if defined(BIG_ENDIAN) +#define __BIG_ENDIAN BIG_ENDIAN +#elif defined(_BIG_ENDIAN) +#define __BIG_ENDIAN _BIG_ENDIAN +#else +#error "No big endian define, please fix" +#endif +#endif + +#ifndef PCAP_NETMASK_UNKNOWN +#define PCAP_NETMASK_UNKNOWN 0xffffffff +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* clang-format off */ + +#define PCAP_THREAD_VERSION_STR "4.0.0" +#define PCAP_THREAD_VERSION_MAJOR 4 +#define PCAP_THREAD_VERSION_MINOR 0 +#define PCAP_THREAD_VERSION_PATCH 0 + +#define PCAP_THREAD_DEFAULT_TIMEOUT 1000 +#define PCAP_THREAD_DEFAULT_QUEUE_SIZE 64 +#define PCAP_THREAD_DEFAULT_QUEUE_MODE PCAP_THREAD_QUEUE_MODE_COND +#define PCAP_THREAD_DEFAULT_ACTIVATE_MODE PCAP_THREAD_ACTIVATE_MODE_IMMEDIATE + +#define PCAP_THREAD_OK 0 +#define PCAP_THREAD_EPCAP 1 +#define PCAP_THREAD_ENOMEM 2 +#define PCAP_THREAD_ENOMON 3 +#define PCAP_THREAD_ENODIR 4 +#define PCAP_THREAD_EINVAL 5 +#define PCAP_THREAD_EWOULDBLOCK 6 +#define PCAP_THREAD_NOPCAPS 7 +#define PCAP_THREAD_NOCALLBACK 8 +#define PCAP_THREAD_ERRNO 9 +#define PCAP_THREAD_NOYIELD 10 +#define PCAP_THREAD_EOBSOLETE 11 +#define PCAP_THREAD_ERUNNING 12 +#define PCAP_THREAD_ENOPCAPLIST 13 +#define PCAP_THREAD_ELAYERCB 14 + +#define PCAP_THREAD_EPCAP_STR "libpcap error" +#define PCAP_THREAD_ENOMEM_STR "out of memory" +#define PCAP_THREAD_ENOMON_STR "monitor mode requested but not supported" +#define PCAP_THREAD_ENODIR_STR "direction specified but not supported" +#define PCAP_THREAD_EINVAL_STR "invalid argument" +#define PCAP_THREAD_EWOULDBLOCK_STR "nonblocking pcap can not be added" +#define PCAP_THREAD_NOPCAPS_STR "nothing to capture on" +#define PCAP_THREAD_NOCALLBACK_STR "no callback set" +#define PCAP_THREAD_ERRNO_STR "system error, check errno" +#define PCAP_THREAD_NOYIELD_STR "queue more yield requested but not supported" +#define PCAP_THREAD_EOBSOLETE_STR "obsolete function or feature" +#define PCAP_THREAD_ERUNNING_STR "pcap thread are running, can not complete task" +#define PCAP_THREAD_ENOPCAPLIST_STR "no internal reference to the pcap that captured the packet" +#define PCAP_THREAD_ELAYERCB_STR "layer callback already set in lower or higher segment" + +/* clang-format on */ + +struct pcap_thread_linux_sll { + uint16_t packet_type; + uint16_t arp_hardware; + uint16_t link_layer_address_length; + uint8_t link_layer_address[8]; + uint16_t ether_type; +}; +struct pcap_thread_null_hdr { + uint32_t family; +}; +struct pcap_thread_loop_hdr { + uint32_t family; +}; +struct pcap_thread_ieee802_hdr { + uint16_t tpid; + unsigned short pcp : 3; + unsigned short dei : 1; + unsigned short vid : 12; + uint16_t ether_type; +}; +struct pcap_thread_gre_hdr { + uint16_t gre_flags; + uint16_t ether_type; +}; +struct pcap_thread_gre { + uint16_t checksum; + uint16_t key; + uint16_t sequence; +}; +typedef enum pcap_thread_packet_state pcap_thread_packet_state_t; +enum pcap_thread_packet_state { + PCAP_THREAD_PACKET_OK = 0, + PCAP_THREAD_PACKET_INVALID, + PCAP_THREAD_PACKET_UNSUPPORTED, + PCAP_THREAD_PACKET_UNPROCESSED, + PCAP_THREAD_PACKET_INVALID_ETHER, + PCAP_THREAD_PACKET_INVALID_LINUX_SLL, + PCAP_THREAD_PACKET_INVALID_NULL, + PCAP_THREAD_PACKET_INVALID_LOOP, + PCAP_THREAD_PACKET_INVALID_IEEE802, + PCAP_THREAD_PACKET_INVALID_GRE, + PCAP_THREAD_PACKET_INVALID_IP, + PCAP_THREAD_PACKET_INVALID_IPV4, + PCAP_THREAD_PACKET_INVALID_IPV6, + PCAP_THREAD_PACKET_INVALID_IPV6HDR, + PCAP_THREAD_PACKET_INVALID_ICMP, + PCAP_THREAD_PACKET_INVALID_ICMPV6, + PCAP_THREAD_PACKET_INVALID_UDP, + PCAP_THREAD_PACKET_INVALID_TCP, + PCAP_THREAD_PACKET_IS_FRAGMENT, + PCAP_THREAD_PACKET_INVALID_FRAGMENT, + PCAP_THREAD_PACKET_ENOMEM, + PCAP_THREAD_PACKET_EMUTEX, + PCAP_THREAD_PACKET_FRAGMENTED_GREHDR, + PCAP_THREAD_PACKET_FRAGMENTED_ICMPHDR, + PCAP_THREAD_PACKET_FRAGMENTED_ICMPV6HDR, + PCAP_THREAD_PACKET_FRAGMENTED_UDPHDR, + PCAP_THREAD_PACKET_FRAGMENTED_TCPHDR +}; + +typedef struct pcap_thread_packet pcap_thread_packet_t; +struct pcap_thread_packet { + unsigned short have_prevpkt : 1; + unsigned short have_pkthdr : 1; + unsigned short have_linux_sll : 1; + unsigned short have_ethhdr : 1; + unsigned short have_nullhdr : 1; + unsigned short have_loophdr : 1; + unsigned short have_ieee802hdr : 1; + unsigned short have_grehdr : 1; + unsigned short have_gre : 1; + unsigned short have_iphdr : 1; + unsigned short have_ip6hdr : 1; + unsigned short have_ip6frag : 1; + unsigned short have_ip6rtdst : 1; + unsigned short have_icmphdr : 1; + unsigned short have_icmpv6hdr : 1; + unsigned short have_udphdr : 1; + unsigned short have_tcphdr : 1; + unsigned short have_tcpopts : 1; + unsigned short have_ippadding : 1; + unsigned short have_ip6padding : 1; + + const char* name; + int dlt; + pcap_thread_packet_t* prevpkt; + struct pcap_pkthdr pkthdr; + struct pcap_thread_linux_sll linux_sll; + struct ether_header ethhdr; + struct pcap_thread_null_hdr nullhdr; + struct pcap_thread_loop_hdr loophdr; + struct pcap_thread_ieee802_hdr ieee802hdr; + struct pcap_thread_gre_hdr grehdr; + struct pcap_thread_gre gre; + struct ip iphdr; + struct ip6_hdr ip6hdr; + struct ip6_frag ip6frag; + uint8_t ip6frag_payload; + struct in6_addr ip6rtdst; + struct { + u_int8_t type; + u_int8_t code; + u_int16_t checksum; + } icmphdr; + struct { + u_int8_t icmp6_type; + u_int8_t icmp6_code; + u_int16_t icmp6_cksum; + } icmpv6hdr; + struct { + union { + struct { + u_int16_t uh_sport; + u_int16_t uh_dport; + u_int16_t uh_ulen; + u_int16_t uh_sum; + }; + struct { + u_int16_t source; + u_int16_t dest; + u_int16_t len; + u_int16_t check; + }; + }; + } udphdr; + struct { + union { + struct { + u_int16_t th_sport; + u_int16_t th_dport; + u_int32_t th_seq; + u_int32_t th_ack; +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t th_x2 : 4; + u_int8_t th_off : 4; +#endif +#if __BYTE_ORDER == __BIG_ENDIAN + u_int8_t th_off : 4; + u_int8_t th_x2 : 4; +#endif + u_int8_t th_flags; + u_int16_t th_win; + u_int16_t th_sum; + u_int16_t th_urp; + }; + struct { + u_int16_t source; + u_int16_t dest; + u_int32_t seq; + u_int32_t ack_seq; +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int16_t res1 : 4; + u_int16_t doff : 4; + u_int16_t fin : 1; + u_int16_t syn : 1; + u_int16_t rst : 1; + u_int16_t psh : 1; + u_int16_t ack : 1; + u_int16_t urg : 1; + u_int16_t res2 : 2; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int16_t doff : 4; + u_int16_t res1 : 4; + u_int16_t res2 : 2; + u_int16_t urg : 1; + u_int16_t ack : 1; + u_int16_t psh : 1; + u_int16_t rst : 1; + u_int16_t syn : 1; + u_int16_t fin : 1; +#endif + u_int16_t window; + u_int16_t check; + u_int16_t urg_ptr; + }; + }; + } tcphdr; + u_int8_t tcpopts[64]; + size_t tcpopts_len; + + size_t ippadding; + size_t ip6padding; + + pcap_thread_packet_state_t state; +}; + +typedef enum pcap_thread_queue_mode pcap_thread_queue_mode_t; +typedef struct pcap_thread pcap_thread_t; +typedef void (*pcap_thread_callback_t)(u_char* user, const struct pcap_pkthdr* pkthdr, const u_char* pkt, const char* name, int dlt); +typedef void (*pcap_thread_layer_callback_t)(u_char* user, const pcap_thread_packet_t* packet, const u_char* payload, size_t length); +typedef void (*pcap_thread_stats_callback_t)(u_char* user, const struct pcap_stat* stats, const char* name, int dlt); +#ifndef HAVE_PCAP_DIRECTION_T +typedef int pcap_direction_t; +#endif +typedef struct pcap_thread_pcaplist pcap_thread_pcaplist_t; +typedef enum pcap_thread_activate_mode pcap_thread_activate_mode_t; + +enum pcap_thread_queue_mode { + PCAP_THREAD_QUEUE_MODE_COND, + PCAP_THREAD_QUEUE_MODE_WAIT, + PCAP_THREAD_QUEUE_MODE_YIELD, + PCAP_THREAD_QUEUE_MODE_DROP, + PCAP_THREAD_QUEUE_MODE_DIRECT +}; + +enum pcap_thread_activate_mode { + PCAP_THREAD_ACTIVATE_MODE_IMMEDIATE, + PCAP_THREAD_ACTIVATE_MODE_DELAYED +}; + +#ifdef HAVE_PCAP_DIRECTION_T +#define PCAP_THREAD_T_INIT_DIRECTION_T 0, +#else +#define PCAP_THREAD_T_INIT_DIRECTION_T +#endif + +#ifdef HAVE_PTHREAD +#define PCAP_THREAD_T_INIT_QUEUE PTHREAD_COND_INITIALIZER, PTHREAD_COND_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, \ + 0, 0, 0, 0, 0, 0, +#else +#define PCAP_THREAD_T_INIT_QUEUE +#endif + +#ifdef PCAP_TSTAMP_PRECISION_MICRO +#define PCAP_THREAD_T_INIT_PRECISION PCAP_TSTAMP_PRECISION_MICRO +#else +#define PCAP_THREAD_T_INIT_PRECISION 0 +#endif + +typedef void* (*pcap_thread_layer_callback_frag_new_t)(void* conf, u_char* user); +typedef void (*pcap_thread_layer_callback_frag_free_t)(void* ctx); +typedef pcap_thread_packet_state_t (*pcap_thread_layer_callback_frag_reassemble_t)(void* ctx, const pcap_thread_packet_t* packet, const u_char* payload, size_t length, pcap_thread_packet_t** whole_packet, const u_char** whole_payload, size_t* whole_length); +typedef void (*pcap_thread_layer_callback_frag_release_t)(void* ctx, const pcap_thread_packet_t* packet, const u_char* payload, size_t length); + +/* clang-format off */ +#define PCAP_THREAD_LAYER_CALLBACK_FRAG_T_INIT { \ + 0, 0, 0, 0, 0, \ +} +/* clang-format on */ + +typedef struct pcap_thread_layer_callback_frag pcap_thread_layer_callback_frag_t; +struct pcap_thread_layer_callback_frag { + void* conf; + pcap_thread_layer_callback_frag_new_t new; + pcap_thread_layer_callback_frag_free_t free; + pcap_thread_layer_callback_frag_reassemble_t reassemble; + pcap_thread_layer_callback_frag_release_t release; +}; + +/* clang-format off */ +#define PCAP_THREAD_T_INIT { \ + 0, 0, 0, 0, \ + 0, 1, 0, PCAP_THREAD_DEFAULT_QUEUE_MODE, PCAP_THREAD_DEFAULT_QUEUE_SIZE, \ + PCAP_THREAD_T_INIT_QUEUE \ + 0, 0, 0, 0, PCAP_THREAD_DEFAULT_TIMEOUT, \ + 0, 0, PCAP_THREAD_T_INIT_PRECISION, 0, \ + PCAP_THREAD_T_INIT_DIRECTION_T \ + 0, 0, 0, 1, PCAP_NETMASK_UNKNOWN, \ + 0, 0, \ + 0, "", 0, 0, \ + { 0, 0 }, { 0, 0 }, \ + PCAP_THREAD_DEFAULT_ACTIVATE_MODE, \ + 0, 0, 0, 0, 0, 0, 0, 0, PCAP_THREAD_LAYER_CALLBACK_FRAG_T_INIT, 0, PCAP_THREAD_LAYER_CALLBACK_FRAG_T_INIT, 0, 0, 0, 0, \ + 0 \ +} +/* clang-format on */ + +struct pcap_thread { + unsigned short have_timestamp_precision : 1; + unsigned short have_timestamp_type : 1; + unsigned short have_direction : 1; + unsigned short was_stopped : 1; + + int running; + int use_threads; + int use_layers; + pcap_thread_queue_mode_t queue_mode; + size_t queue_size; + +#ifdef HAVE_PTHREAD + pthread_cond_t have_packets; + pthread_cond_t can_write; + pthread_mutex_t mutex; + + struct pcap_pkthdr* pkthdr; + u_char* pkt; + pcap_thread_pcaplist_t** pcaplist_pkt; + size_t read_pos; + size_t write_pos; + size_t pkts; +#endif + + int snapshot; + int snaplen; + int promiscuous; + int monitor; + int timeout; + + int buffer_size; + int timestamp_type; + int timestamp_precision; + int immediate_mode; + +#ifdef HAVE_PCAP_DIRECTION_T + pcap_direction_t direction; +#endif + + char* filter; + size_t filter_len; + int filter_errno; + int filter_optimize; + bpf_u_int32 filter_netmask; + + pcap_thread_callback_t callback; + pcap_thread_callback_t dropback; + + int status; + char errbuf[PCAP_ERRBUF_SIZE]; + pcap_thread_pcaplist_t* pcaplist; + pcap_thread_pcaplist_t* step; + + struct timeval timedrun; + struct timeval timedrun_to; + + pcap_thread_activate_mode_t activate_mode; + + pcap_thread_layer_callback_t callback_linux_sll; + pcap_thread_layer_callback_t callback_ether; + pcap_thread_layer_callback_t callback_null; + pcap_thread_layer_callback_t callback_loop; + pcap_thread_layer_callback_t callback_ieee802; + pcap_thread_layer_callback_t callback_gre; + pcap_thread_layer_callback_t callback_ip; + pcap_thread_layer_callback_t callback_ipv4; + pcap_thread_layer_callback_frag_t callback_ipv4_frag; + pcap_thread_layer_callback_t callback_ipv6; + pcap_thread_layer_callback_frag_t callback_ipv6_frag; + pcap_thread_layer_callback_t callback_icmp; + pcap_thread_layer_callback_t callback_icmpv6; + pcap_thread_layer_callback_t callback_udp; + pcap_thread_layer_callback_t callback_tcp; + + pcap_thread_layer_callback_t callback_invalid; +}; + +#define PCAP_THREAD_SET_ERRBUF(x, y) strncpy(x->errbuf, y, sizeof(x->errbuf) - 1) + +#ifdef HAVE_PTHREAD +#define PCAP_THREAD_PCAPLIST_T_INIT_THREAD 0, +#else +#define PCAP_THREAD_PCAPLIST_T_INIT_THREAD +#endif + +/* clang-format off */ +#define PCAP_THREAD_PCAPLIST_T_INIT { \ + 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, \ + PCAP_THREAD_PCAPLIST_T_INIT_THREAD \ + { 0, 0 }, \ + 0, \ +} +/* clang-format on */ + +struct pcap_thread_pcaplist { + unsigned short have_bpf : 1; + unsigned short have_ipv4_frag_ctx : 1; + unsigned short have_ipv6_frag_ctx : 1; + + pcap_thread_pcaplist_t* next; + char* name; + pcap_t* pcap; + void* user; + int running; + int is_offline; + void* ipv4_frag_ctx; + void* ipv6_frag_ctx; + + pcap_thread_t* pcap_thread; + +#ifdef HAVE_PTHREAD + pthread_t thread; +#endif + + struct bpf_program bpf; + + pcap_thread_callback_t layer_callback; +}; + +const char* pcap_thread_version_str(void); + +int pcap_thread_version_major(void); +int pcap_thread_version_minor(void); +int pcap_thread_version_patch(void); + +pcap_thread_t* pcap_thread_create(void); +void pcap_thread_free(pcap_thread_t* pcap_thread); + +int pcap_thread_use_threads(const pcap_thread_t* pcap_thread); +int pcap_thread_set_use_threads(pcap_thread_t* pcap_thread, const int use_threads); +int pcap_thread_use_layers(const pcap_thread_t* pcap_thread); +int pcap_thread_set_use_layers(pcap_thread_t* pcap_thread, const int use_layers); +pcap_thread_queue_mode_t pcap_thread_queue_mode(const pcap_thread_t* pcap_thread); +int pcap_thread_set_queue_mode(pcap_thread_t* pcap_thread, const pcap_thread_queue_mode_t queue_mode); +struct timeval pcap_thread_queue_wait(const pcap_thread_t* pcap_thread); +int pcap_thread_set_queue_wait(pcap_thread_t* pcap_thread, const struct timeval queue_wait); +pcap_thread_queue_mode_t pcap_thread_callback_queue_mode(const pcap_thread_t* pcap_thread); +int pcap_thread_set_callback_queue_mode(pcap_thread_t* pcap_thread, const pcap_thread_queue_mode_t callback_queue_mode); +struct timeval pcap_thread_callback_queue_wait(const pcap_thread_t* pcap_thread); +int pcap_thread_set_callback_queue_wait(pcap_thread_t* pcap_thread, const struct timeval callback_queue_wait); +int pcap_thread_snapshot(const pcap_thread_t* pcap_thread); +int pcap_thread_snaplen(const pcap_thread_t* pcap_thread); +int pcap_thread_set_snaplen(pcap_thread_t* pcap_thread, const int snaplen); +int pcap_thread_promiscuous(const pcap_thread_t* pcap_thread); +int pcap_thread_set_promiscuous(pcap_thread_t* pcap_thread, const int promiscuous); +int pcap_thread_monitor(const pcap_thread_t* pcap_thread); +int pcap_thread_set_monitor(pcap_thread_t* pcap_thread, const int monitor); +int pcap_thread_timeout(const pcap_thread_t* pcap_thread); +int pcap_thread_set_timeout(pcap_thread_t* pcap_thread, const int timeout); +int pcap_thread_buffer_size(const pcap_thread_t* pcap_thread); +int pcap_thread_set_buffer_size(pcap_thread_t* pcap_thread, const int buffer_size); +int pcap_thread_timestamp_type(const pcap_thread_t* pcap_thread); +int pcap_thread_set_timestamp_type(pcap_thread_t* pcap_thread, const int timestamp_type); +int pcap_thread_timestamp_precision(const pcap_thread_t* pcap_thread); +int pcap_thread_set_timestamp_precision(pcap_thread_t* pcap_thread, const int timestamp_precision); +int pcap_thread_immediate_mode(const pcap_thread_t* pcap_thread); +int pcap_thread_set_immediate_mode(pcap_thread_t* pcap_thread, const int immediate_mode); +pcap_direction_t pcap_thread_direction(const pcap_thread_t* pcap_thread); +int pcap_thread_set_direction(pcap_thread_t* pcap_thread, const pcap_direction_t direction); +const char* pcap_thread_filter(const pcap_thread_t* pcap_thread); +int pcap_thread_set_filter(pcap_thread_t* pcap_thread, const char* filter, const size_t filter_len); +int pcap_thread_clear_filter(pcap_thread_t* pcap_thread); +int pcap_thread_filter_errno(const pcap_thread_t* pcap_thread); +int pcap_thread_filter_optimize(const pcap_thread_t* pcap_thread); +int pcap_thread_set_filter_optimize(pcap_thread_t* pcap_thread, const int filter_optimize); +bpf_u_int32 pcap_thread_filter_netmask(const pcap_thread_t* pcap_thread); +int pcap_thread_set_filter_netmask(pcap_thread_t* pcap_thread, const bpf_u_int32 filter_netmask); +struct timeval pcap_thread_timedrun(const pcap_thread_t* pcap_thread); +int pcap_thread_set_timedrun(pcap_thread_t* pcap_thread, const struct timeval timedrun); +struct timeval pcap_thread_timedrun_to(const pcap_thread_t* pcap_thread); +int pcap_thread_set_timedrun_to(pcap_thread_t* pcap_thread, const struct timeval timedrun_to); +pcap_thread_activate_mode_t pcap_thread_activate_mode(const pcap_thread_t* pcap_thread); +int pcap_thread_set_activate_mode(pcap_thread_t* pcap_thread, const pcap_thread_activate_mode_t activate_mode); +int pcap_thread_was_stopped(const pcap_thread_t* pcap_thread); + +size_t pcap_thread_queue_size(const pcap_thread_t* pcap_thread); +int pcap_thread_set_queue_size(pcap_thread_t* pcap_thread, const size_t queue_size); + +int pcap_thread_set_callback(pcap_thread_t* pcap_thread, pcap_thread_callback_t callback); +int pcap_thread_set_dropback(pcap_thread_t* pcap_thread, pcap_thread_callback_t dropback); + +int pcap_thread_set_callback_linux_sll(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_linux_sll); +int pcap_thread_set_callback_ether(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_ether); +int pcap_thread_set_callback_null(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_null); +int pcap_thread_set_callback_loop(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_loop); +int pcap_thread_set_callback_ieee802(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_ieee802); +int pcap_thread_set_callback_gre(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_gre); +int pcap_thread_set_callback_ip(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_ip); +int pcap_thread_set_callback_ipv4(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_ipv4); +int pcap_thread_set_callback_ipv4_frag(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_frag_t callback_ipv4_frag); +int pcap_thread_set_callback_ipv6(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_ipv6); +int pcap_thread_set_callback_ipv6_frag(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_frag_t callback_ipv6_frag); +int pcap_thread_set_callback_icmp(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_icmp); +int pcap_thread_set_callback_icmpv6(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_icmpv6); +int pcap_thread_set_callback_udp(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_udp); +int pcap_thread_set_callback_tcp(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_tcp); +int pcap_thread_set_callback_invalid(pcap_thread_t* pcap_thread, pcap_thread_layer_callback_t callback_tcp); + +int pcap_thread_open(pcap_thread_t* pcap_thread, const char* device, void* user); +int pcap_thread_open_offline(pcap_thread_t* pcap_thread, const char* file, void* user); +int pcap_thread_add(pcap_thread_t* pcap_thread, const char* name, pcap_t* pcap, void* user); +int pcap_thread_activate(pcap_thread_t* pcap_thread); +int pcap_thread_close(pcap_thread_t* pcap_thread); + +int pcap_thread_run(pcap_thread_t* pcap_thread); +int pcap_thread_next(pcap_thread_t* pcap_thread); +int pcap_thread_next_reset(pcap_thread_t* pcap_thread); +int pcap_thread_stop(pcap_thread_t* pcap_thread); + +int pcap_thread_stats(pcap_thread_t* pcap_thread, pcap_thread_stats_callback_t callback, u_char* user); + +int pcap_thread_status(const pcap_thread_t* pcap_thread); +const char* pcap_thread_errbuf(const pcap_thread_t* pcap_thread); +const char* pcap_thread_strerr(int error); + +#ifdef __cplusplus +} +#endif + +#endif /* __pcap_thread_h */ |