capture_service.c File Reference

File containing the implementation of the capture service. More...

#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <pthread.h>
#include <unistd.h>
#include "capture_config.h"
#include "capture_service.h"
#include "pcap_service.h"
#include <eloop.h>
#include "../utils/allocs.h"
#include "../utils/log.h"
#include "../utils/os.h"
#include "../utils/sockctl.h"
#include "../utils/squeue.h"
#include "middlewares_list.h"

Include dependency graph for capture_service.c:

Functions
void	pcap_callback (const void *ctx, const void *pcap_ctx, char *ltype, struct pcap_pkthdr *header, uint8_t *packet)
	Callback for pcap packet module. More...
void	eloop_read_fd_handler (int sock, void *eloop_ctx, void *sock_ctx)
int	run_capture (struct capture_middleware_context *context)
	Runs the capture service. More...
void	free_capture_context (struct capture_middleware_context *context)
	Frees the capture context. More...
void *	capture_thread (void *arg)
int	run_capture_thread (char *ifname, struct capture_conf const *config, pthread_t *id)
	Runs the capture service thread. More...

Detailed Description

File containing the implementation of the capture service.

Author

Alexandru Mereacre

Date

2021

Copyright

SPDX-FileCopyrightText: © 2021 NQMCyber Ltd and edgesec contributors SPDX-License-Identifier: LGPL-3.0-or-later

Function Documentation

capture_thread()

void* capture_thread

(

void *

arg

)

eloop_read_fd_handler()

void eloop_read_fd_handler	(	int	sock,
		void *	eloop_ctx,
		void *	sock_ctx
	)

free_capture_context()

void free_capture_context

(

struct capture_middleware_context *

context

)

Frees the capture context.

Parameters

context

The middleware context

pcap_callback()

void pcap_callback	(	const void *	ctx,
		const void *	pcap_ctx,
		char *	ltype,
		struct pcap_pkthdr *	header,
		uint8_t *	packet
	)

Callback for pcap packet module.

Parameters

ctx	The capture context
pcap_ctx	The pcap context
ltype	The link type
header	pcap header structure
packet	Returned pcap packet

run_capture()

int run_capture

(

struct capture_middleware_context *

context

)

Runs the capture service.

Parameters

context

The middleware context

Returns

int 0 on success, -1 on failure

run_capture_thread()

int run_capture_thread	(	char *	ifname,
		struct capture_conf const *	config,
		pthread_t *	id
	)

Runs the capture service thread.

Parameters

	ifname	The capture interface name
	config	The capture service config structure
[out]	id	The returned thread id

Returns

int 0 on success, -1 on error