C++ pcap_create函数代码示例

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本文整理汇总了C++中pcap_create函数的典型用法代码示例。如果您正苦于以下问题：C++ pcap_create函数的具体用法？C++ pcap_create怎么用？C++ pcap_create使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了pcap_create函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: main

int main(int argc, char **argv) {
    char errbuf[PCAP_ERRBUF_SIZE];
    struct pcap_pkthdr *pkthdr;
    const u_char *pkt_data;

    Options options;

    parse_args(argc, argv, &options);

    if(options.list_devices) {
        show_devices();
        exit(0);
    }

    // Create Handles for in and out
    pcap_t *in_handle = pcap_create(argv[1], errbuf);
    pcap_t *out_handle = pcap_create(argv[1], errbuf);

    if(!in_handle | !out_handle )
        exit_error(errbuf, -1);
    
    int result = 0;

    // Set timeout
    result = pcap_set_timeout(in_handle, 1); // Header size up to window size
    result = pcap_set_timeout(out_handle, 1); // Header size up to window size
    handle_pcap_errors(in_handle, result, "set_timeout");
    handle_pcap_errors(out_handle, result, "set_timeout");



    // Activate!
    result = pcap_activate(out_handle);
    result = pcap_activate(in_handle);
    handle_pcap_errors(out_handle, result, "pcap_activate");
    handle_pcap_errors(in_handle, result, "pcap_activate");
    // Set Filter
    filter_on_port(out_handle, "src port ", options.port_str);
    filter_on_port(in_handle, "dst port ", options.port_str);


    // Count packet lenghts on port
    int out_byte_count = 0;
    int in_byte_count = 0;

    for(int i = 0; i < 100; i++) {
        pcap_next_ex(out_handle, &pkthdr, &pkt_data);
        out_byte_count += pkthdr->len;

        pcap_next_ex(in_handle, &pkthdr, &pkt_data);
        in_byte_count += pkthdr->len;
    }

    printf("In Bytes: %d\n", in_byte_count);
    printf("Out Bytes: %d\n", out_byte_count);

    return 0;
}

开发者ID:cwgreene，项目名称:pcap-tests，代码行数:58，代码来源:filter_on.cpp

示例2: fork

/* Initializes pcap capture settings and returns a pcap handle on success, NULL on error */
pcap_t *capture_init(char *capture_source) {
    pcap_t *handle = NULL;
    char errbuf[PCAP_ERRBUF_SIZE] = {0};

#ifdef __APPLE__
    // must disassociate from any current AP.  This is the only way.
    pid_t pid = fork();
    if (!pid) {
        char* argv[] = {"/System/Library/PrivateFrameworks/Apple80211.framework/Resources/airport", "-z", NULL};
        execve("/System/Library/PrivateFrameworks/Apple80211.framework/Resources/airport", argv, NULL);
    }
    int status;
    waitpid(pid, &status, 0);


    handle = pcap_create(capture_source, errbuf);
    if (handle) {
        pcap_set_snaplen(handle, BUFSIZ);
        pcap_set_timeout(handle, 50);
        pcap_set_rfmon(handle, 1);
        pcap_set_promisc(handle, 1);
        int status = pcap_activate(handle);
        if (status)
            cprintf(CRITICAL, "pcap_activate status %d\n", status);
    }
#else
    handle = pcap_open_live(capture_source, BUFSIZ, 1, 0, errbuf);
#endif
    if (!handle) {
        handle = pcap_open_offline(capture_source, errbuf);
    }

    return handle;
}

开发者ID:vk496，项目名称:reaver-wps-fork-t6x，代码行数:35，代码来源:init.c

示例3: pcap_create

Sniffer::Sniffer(const string& device, 
                 promisc_type promisc,
                 const string& filter,
                 bool rfmon) {
    SnifferConfiguration configuration;
    configuration.set_promisc_mode(promisc == PROMISC);
    configuration.set_filter(filter);
    configuration.set_rfmon(rfmon);

    char error[PCAP_ERRBUF_SIZE];
    pcap_t* phandle = pcap_create(TINS_PREFIX_INTERFACE(device).c_str(), error);
    if (!phandle) {
        throw runtime_error(error);
    }
    set_pcap_handle(phandle);

    // Set the netmask if we are able to find it.
    bpf_u_int32 ip, if_mask;
    if (pcap_lookupnet(TINS_PREFIX_INTERFACE(device).c_str(), &ip, &if_mask, error) == 0) {
        set_if_mask(if_mask);
    }

    // Configure the sniffer's attributes prior to activation.
    configuration.configure_sniffer_pre_activation(*this);

    // Finally, activate the pcap. In case of error throw runtime_error
    if (pcap_activate(get_pcap_handle()) < 0) {
        throw pcap_error(pcap_geterr(get_pcap_handle()));
    }

    // Configure the sniffer's attributes after activation.
    configuration.configure_sniffer_post_activation(*this);
}

开发者ID:Pflanzgurke，项目名称:libtins，代码行数:33，代码来源:sniffer.cpp

示例4: main

int main (void)
{
    int fd;

    /* Create PCAP file */
    assert((fd = pcap_create(test_path, LINKTYPE_EN10MB)) > 0);

    /* Write payload */
    assert(test_pcap_write(fd, icmp_dns, sizeof(icmp_dns)) == 0);

    assert(pcap_close(fd) == 0);

    assert((fd = pcap_open(test_path, O_RDONLY)) > 0);

    assert(pcap_has_packets(fd));

    assert(pcap_close(fd) == 0);

    assert((fd = pcap_open(test_path, O_RDWR | O_APPEND)) > 0);

    /* Write payload */
    assert(test_pcap_write(fd, icmp_dns, sizeof(icmp_dns)) == 0);

    assert(pcap_close(fd) == 0);

    pcap_destroy(fd, test_path);

    return (EXIT_SUCCESS);
}

开发者ID:eroullit，项目名称:net-toolbox，代码行数:29，代码来源:test_pcap.c

示例5: print_timestamp_types

static void print_timestamp_types(const char *dev) {
    int i, ntstypes;
    char junk[PCAP_ERRBUF_SIZE];
    int *tstypes;
    pcap_t *handle;

    handle = pcap_create(dev, junk);
    if(!handle)
        return;

    ntstypes = pcap_list_tstamp_types(handle, &tstypes);
    if(ntstypes > 0)
        printf("     Timestamp types:%s", options.verbose > 1 ? "\n" : " ");
    if(options.verbose > 1)
        for(i = 0; i < ntstypes; ++i)
            printf("       %-20s %s\n", pcap_tstamp_type_val_to_name(tstypes[i]),
                   pcap_tstamp_type_val_to_description(tstypes[i]));
    else
        for(i = 0; i < ntstypes; ++i)
            printf("%s%s", pcap_tstamp_type_val_to_name(tstypes[i])
                   , i + 1 > ntstypes ? ", " : "\n");

    pcap_free_tstamp_types(tstypes);
    pcap_close(handle);
}

开发者ID:protoben，项目名称:protodump，代码行数:25，代码来源:capture.c

示例6: open_pcap_dev

static pcap_t* open_pcap_dev(const char* ifname, int frameSize, char* errbuf)
{
	pcap_t* handle = pcap_create(ifname, errbuf);
	if (handle) {
		int err;
		err = pcap_set_snaplen(handle, frameSize);
		if (err) AVB_LOGF_WARNING("Cannot set snap len %d", err);

		err = pcap_set_promisc(handle, 1);
		if (err) AVB_LOGF_WARNING("Cannot set promisc %d", err);

		err = pcap_set_immediate_mode(handle, 1);
		if (err) AVB_LOGF_WARNING("Cannot set immediate mode %d", err);

		// we need timeout (here 100ms) otherwise we could block for ever
		err = pcap_set_timeout(handle, 100);
		if (err) AVB_LOGF_WARNING("Cannot set timeout %d", err);

		err = pcap_set_tstamp_precision(handle, PCAP_TSTAMP_PRECISION_NANO);
		if (err) AVB_LOGF_WARNING("Cannot set tstamp nano precision %d", err);

		err = pcap_set_tstamp_type(handle, PCAP_TSTAMP_ADAPTER_UNSYNCED);
		if (err) AVB_LOGF_WARNING("Cannot set tstamp adapter unsynced %d", err);

		err = pcap_activate(handle);
		if (err) AVB_LOGF_WARNING("Cannot activate pcap %d", err);
	}
	return handle;
}

开发者ID:AVnu，项目名称:Open-AVB，代码行数:29，代码来源:pcap_rawsock.c

示例7: check_promisc

static bool check_promisc(const char *dev) {
    char junk[PCAP_ERRBUF_SIZE];
    int err;
    pcap_t *handle;

    handle = pcap_create(dev, junk);
    if(!handle)
        goto fail;

    err = pcap_set_promisc(handle, 1);
    if(err)
        /* Should never error: pcap_set_promisc() only errors if handle is active. */
        die(0, "DEBUG: Reached unreachable condition at %s:%lu\n", __FILE__, __LINE__);

    err = pcap_activate(handle);
    if(err && err != PCAP_WARNING)
        goto fail;

    pcap_close(handle);
    return true;

fail:
    pcap_close(handle);
    return false;
}

开发者ID:protoben，项目名称:protodump，代码行数:25，代码来源:capture.c

示例8: pcap_open_live_extended

pcap_t *
pcap_open_live_extended(const char *source, int snaplen, int promisc, int to_ms, int rfmon, char *errbuf)
{
    pcap_t *p;
    int status;
    
    p = pcap_create(source, errbuf);
    if (p == NULL)
        return (NULL);
    status = pcap_set_snaplen(p, snaplen);
    if (status < 0)
        goto fail;
    status = pcap_set_promisc(p, promisc);
    if (status < 0)
        goto fail;
    status = pcap_set_timeout(p, to_ms);
    if (status < 0)
        goto fail;
    if(pcap_can_set_rfmon(p) == 1) {
        status = pcap_set_rfmon(p, rfmon);
        if (status < 0)
            goto fail;
    }
    status = pcap_activate(p);
    if (status < 0)
        goto fail;
    return (p);
    
fail:
    snprintf(errbuf, PCAP_ERRBUF_SIZE, "%s: %s", source, pcap_geterr(p));
    pcap_close(p);
    return (NULL);
}

开发者ID:jedahan，项目名称:libtins，代码行数:33，代码来源:sniffer.cpp

示例9: capture

void capture(char *dev) {
  pcap_t *pcap;
  char errbuf[PCAP_ERRBUF_SIZE];
  struct pcap_pkthdr header;	/* The header that pcap gives us */
  const u_char *packet;		/* The actual packet */

  if(NULL == dev) {
    dev = pcap_lookupdev(errbuf);
    if (dev == NULL) {
      fprintf(stderr, "Couldn't find default device: %s\n", errbuf);
      exit(1);
    }
  }

  pcap = pcap_create(dev, errbuf);
  pcap_set_rfmon(pcap, 1);
  pcap_set_promisc(pcap, 1);
  pcap_set_buffer_size(pcap, 1 * 1024 * 1024);
  pcap_set_timeout(pcap, 1);
  pcap_set_snaplen(pcap, 16384);
  pcap_activate(pcap);    
  if(DLT_IEEE802_11_RADIO == pcap_datalink(pcap)) {
    pcap_loop(pcap, 0, got_packet, 0);
  } else {
    fprintf(stderr, "Could not initialize a IEEE802_11_RADIO packet capture for interface %s\n", dev);
  }
}

开发者ID:ayourtch，项目名称:beacondump，代码行数:27，代码来源:beacondump.c

示例10: print_datalinks

static void print_datalinks(const char *dev) {
    int *linktypes;
    int err, i, nlinktypes;
    char errbuf[PCAP_ERRBUF_SIZE];
    pcap_t *handle;

    handle = pcap_create(dev, errbuf);
    if(!handle)
        return;

    err = pcap_activate(handle);
    if(err)
        return;

    nlinktypes = pcap_list_datalinks(handle, &linktypes);
    if(nlinktypes > 0)
        printf("     Linktypes:%s", options.verbose > 1 ? "\n" : " ");
    if(options.verbose > 1)
        for(i = 0; i < nlinktypes; ++i)
            printf("       %-20s %s\n"
                   , pcap_datalink_val_to_name(linktypes[i])
                   , pcap_datalink_val_to_description(linktypes[i]));
    else
        for(i = 0; i < nlinktypes; ++i)
            printf("%s%s", pcap_datalink_val_to_name(linktypes[i])
                   , i + 1 > nlinktypes ? ", " : "\n");

    pcap_free_datalinks(linktypes);
    pcap_close(handle);
}

开发者ID:protoben，项目名称:protodump，代码行数:30，代码来源:capture.c

示例11: create

inline unique_pcap_t create(const std::string &device_name) {
  auto buf = error_buffer{};
  auto device = pcap_create(device_name.data(), buf.data());
  if (!device) {
    throw error{"Couldn't create device " + device_name + "\n" +
                error_string(buf)};
  }
  return unique_pcap_t{device, &pcap_close};
}

开发者ID:jshrake，项目名称:pcapp，代码行数:9，代码来源:pcapp.hpp

示例12: tc_pcap_open

static int
tc_pcap_open(pcap_t **pd, char *device, int snap_len, int buf_size)
{
    int    status;
    char   ebuf[PCAP_ERRBUF_SIZE]; 

    *ebuf = '\0';

    *pd = pcap_create(device, ebuf);
    if (*pd == NULL) {
        tc_log_info(LOG_ERR, 0, "pcap create error:%s", ebuf);
        return TC_ERROR;
    }

    status = pcap_set_snaplen(*pd, snap_len);
    if (status != 0) {
        tc_log_info(LOG_ERR, 0, "pcap_set_snaplen error:%s",
                pcap_statustostr(status));
        return TC_ERROR;
    }

    status = pcap_set_promisc(*pd, 0);
    if (status != 0) {
        tc_log_info(LOG_ERR, 0, "pcap_set_promisc error:%s",
                pcap_statustostr(status));
        return TC_ERROR;
    }

    status = pcap_set_timeout(*pd, 1000);
    if (status != 0) {
        tc_log_info(LOG_ERR, 0, "pcap_set_timeout error:%s",
                pcap_statustostr(status));
        return TC_ERROR;
    }

    status = pcap_set_buffer_size(*pd, buf_size);
    if (status != 0) {
        tc_log_info(LOG_ERR, 0, "pcap_set_buffer_size error:%s",
                pcap_statustostr(status));
        return TC_ERROR;
    }

    tc_log_info(LOG_NOTICE, 0, "pcap_set_buffer_size:%d", buf_size);

    status = pcap_activate(*pd);
    if (status < 0) {
        tc_log_info(LOG_ERR, 0, "pcap_activate error:%s",
                pcap_statustostr(status));
        return TC_ERROR;

    } else if (status > 0) {
        tc_log_info(LOG_WARN, 0, "pcap activate warn:%s", 
                pcap_statustostr(status));
    }

    return TC_OK;
}

开发者ID:justzx2011，项目名称:tcpcopy，代码行数:57，代码来源:tc_socket.c

示例13: m_pHandler

NetworkInterface::NetworkInterface(const std::string& interface)
  : m_pHandler(NULL), m_pFilter(NULL), m_pThread(NULL), m_sInterface(interface)
{
  m_pHandler = pcap_create(interface.c_str(), m_sLastError);
  if(!m_pHandler) {
    std::cerr << "Can't create pcap handler on " << interface <<
                 " interface! Details: " << m_sLastError << std::endl;
  }
}

开发者ID:ziminas1990，项目名称:FunVPN，代码行数:9，代码来源:InterfaceIO.cpp

示例14: pcap_main_loop

void pcap_main_loop(const char* dev) {
    char errbuf[PCAP_ERRBUF_SIZE];
    /* open device for reading in promiscuous mode */
    int promisc = 1;

    bpf_u_int32 maskp; /* subnet mask */
    bpf_u_int32 netp;  /* ip */ 

    logger<< log4cpp::Priority::INFO<<"Start listening on "<<dev;

    /* Get the network address and mask */
    pcap_lookupnet(dev, &netp, &maskp, errbuf);

    descr = pcap_create(dev, errbuf);

    if (descr == NULL) {
        logger<< log4cpp::Priority::ERROR<<"pcap_create was failed with error: "<<errbuf;
        exit(0);
    }

    // Setting up 1MB buffer
    int set_buffer_size_res = pcap_set_buffer_size(descr, pcap_buffer_size_mbytes * 1024 * 1024);
    if (set_buffer_size_res != 0 ) {
        if (set_buffer_size_res == PCAP_ERROR_ACTIVATED) {
            logger<< log4cpp::Priority::ERROR<<"Can't set buffer size because pcap already activated\n";
            exit(1);
        } else {
            logger<< log4cpp::Priority::ERROR<<"Can't set buffer size due to error: "<<set_buffer_size_res;
            exit(1);
        }   
    } 

    if (pcap_set_promisc(descr, promisc) != 0) {
        logger<< log4cpp::Priority::ERROR<<"Can't activate promisc mode for interface: "<<dev;
        exit(1);
    }

    if (pcap_activate(descr) != 0) {
        logger<< log4cpp::Priority::ERROR<<"Call pcap_activate was failed: "<<pcap_geterr(descr);
        exit(1);
    }

    // man pcap-linktype
    int link_layer_header_type = pcap_datalink(descr);

    if (link_layer_header_type == DLT_EN10MB) {
        DATA_SHIFT_VALUE = 14;
    } else if (link_layer_header_type == DLT_LINUX_SLL) {
        DATA_SHIFT_VALUE = 16;
    } else {
        logger<< log4cpp::Priority::INFO<<"We did not support link type:"<<link_layer_header_type;
        exit(0);
    }
   
    pcap_loop(descr, -1, (pcap_handler)parse_packet, NULL);
}

开发者ID:bozhenka，项目名称:fastnetmon，代码行数:56，代码来源:pcap_collector.cpp

示例15: myPcapCatchAndAnaly

int myPcapCatchAndAnaly() {
    int status=0;
    int header_type;
    char errbuf[PCAP_ERRBUF_SIZE];
    /* openwrt && linux */
    char *dev=(char *)"wlan0";
    /* mac os */
    //test
    // char* dev=(char *)"en0";
    handle=pcap_create(dev,errbuf); //为抓取器打开一个句柄

    if (handle == NULL)  {
        fprintf(stderr, "Couldn't open device %s: %s\n", dev, errbuf);
        return 0;
    }

    // 由于在该路由器测试时，发现在该openwrt系统上不支持libpcap设置monitor模式，在激活的时候会产生错误
    // 将采用手动设置并检测网卡是否为monitor模式

    // if(pcap_can_set_rfmon(handle)) {
    //      //查看是否能设置为监控模式
    //     printf("Device %s can be opened in monitor mode\n",dev);
    // }
    // else {
    //     printf("Device %s can't be opened in monitor mode!!!\n",dev);
    // }

    // 若是mac os系统，则可以支持
    // test
    if(pcap_set_rfmon(handle,1)!=0) {
        fprintf(stderr, "Device %s couldn't be opened in monitor mode\n", dev);
        return 0;
    } else {
        printf("Device %s has been opened in monitor mode\n", dev);
    }

    pcap_set_promisc(handle,0);   //不设置混杂模式
    pcap_set_snaplen(handle,65535);   //设置最大捕获包的长度
    status=pcap_activate(handle);   //激活

    if(status!=0) {
        pcap_perror(handle,(char*)"pcap error: ");
        return 0;
    }

    header_type=pcap_datalink(handle);  //返回链路层的类型
    if(header_type!=DLT_IEEE802_11_RADIO) {
        printf("Error: incorrect header type - %d\n",header_type);
        return 0;
    }

    int id = 0;
    pcap_loop(handle, -1, getPacket, (u_char*)&id);

    return 1;
}

开发者ID:1057437122，项目名称:hello-openwrt，代码行数:56，代码来源:parser.c

示例16: na_pcap_open

NAPCapHandle *
na_pcap_open (const char *iface,
              GError     **error)
{
  char errbuf[PCAP_ERRBUF_SIZE];

  pcap_t *pcap_handle = pcap_create (iface, errbuf);

  if (pcap_handle == NULL)
    {
      g_set_error (error,
                   NA_PCAP_ERROR,
                   NA_PCAP_ERROR_OPEN,
                   "pcap failed to create handle for iface: %s", errbuf);
      return NULL;
    }

  pcap_set_snaplen (pcap_handle, PCAP_SNAPLEN);
  pcap_set_timeout (pcap_handle, 100);

  if (pcap_activate (pcap_handle) != 0)
    {
      g_set_error (error,
                   NA_PCAP_ERROR,
                   NA_PCAP_ERROR_OPEN,
                   "pcap failed to activate handle for iface");
      return NULL;
    }

  NAPCapHandle *handle = g_new0 (NAPCapHandle, 1);

  handle->pcap_handle = pcap_handle;
  handle->iface = iface;
  handle->linktype = pcap_datalink (pcap_handle);

  switch (handle->linktype)
    {
    case (DLT_EN10MB):
      g_debug ("Ethernet link detected");
      break;
    case (DLT_PPP):
      g_debug ("PPP link detected");
      break;
    case (DLT_LINUX_SLL):
      g_debug ("Linux Cooked Socket link detected");
      break;
    default:
      g_debug ("No PPP or Ethernet link: %d", handle->linktype);
      break;
    }

  return handle;
}

开发者ID:stfacc，项目名称:gnome-usage，代码行数:53，代码来源:na-pcap.c

示例17: pcap_open_live

pcap_t *
pcap_open_live(const char *source, int snaplen, int promisc, int to_ms,
    char *errbuf)
{
	pcap_t *p;
	int status;

	p = pcap_create(source, errbuf);
	if (p == NULL)
		return (NULL);
	status = pcap_set_snaplen(p, snaplen);
	if (status < 0)
		goto fail;
	status = pcap_set_promisc(p, promisc);
	if (status < 0)
		goto fail;
	status = pcap_set_timeout(p, to_ms);
	if (status < 0)
		goto fail;
	/*
	 * Mark this as opened with pcap_open_live(), so that, for
	 * example, we show the full list of DLT_ values, rather
	 * than just the ones that are compatible with capturing
	 * when not in monitor mode.  That allows existing applications
	 * to work the way they used to work, but allows new applications
	 * that know about the new open API to, for example, find out the
	 * DLT_ values that they can select without changing whether
	 * the adapter is in monitor mode or not.
	 */
	p->oldstyle = 1;
	status = pcap_activate(p);
	if (status < 0)
		goto fail;
	return (p);
fail:
	if (status == PCAP_ERROR)
		snprintf(errbuf, PCAP_ERRBUF_SIZE, "%s: %s", source,
		    p->errbuf);
	else if (status == PCAP_ERROR_NO_SUCH_DEVICE ||
	    status == PCAP_ERROR_PERM_DENIED ||
	    status == PCAP_ERROR_PROMISC_PERM_DENIED)
		snprintf(errbuf, PCAP_ERRBUF_SIZE, "%s: %s (%s)", source,
		    pcap_statustostr(status), p->errbuf);
	else
		snprintf(errbuf, PCAP_ERRBUF_SIZE, "%s: %s", source,
		    pcap_statustostr(status));
	pcap_close(p);
	return (NULL);
}

开发者ID:enukane，项目名称:openbsd-work，代码行数:49，代码来源:pcap-bpf.c

示例18: stub_pcap_create

CAMLprim value
stub_pcap_create (value p_device)
{
	char errbuf[PCAP_ERRBUF_SIZE];
	char *device;
	pcap_t *ret;

	device = String_val (p_device);

	ret = pcap_create (device, errbuf);
	if (ret == NULL) {
		raise_error (errbuf);
	}

	return (value) ret;
}

开发者ID:johnlepikhin，项目名称:mpcap，代码行数:16，代码来源:mpcap_stubs.c

示例19: tcpeek_init_pcap

static void
tcpeek_init_pcap(void) {
	char *ifname, errmsg[PCAP_ERRBUF_SIZE], expression[] = "tcp or icmp";
	struct bpf_program bpf;

	if(strisempty(g.option.ifname)) {
		ifname = pcap_lookupdev(errmsg);
		if(!ifname) {
			error_abort("%s", errmsg);
		}
		strncpy(g.option.ifname, ifname, sizeof(g.option.ifname) - 1);
	}
    g.pcap.pcap = pcap_create(g.option.ifname, errmsg);
	if(!g.pcap.pcap) {
		error_abort("%s", errmsg);
	}
    if(pcap_set_buffer_size(g.pcap.pcap, g.option.buffer * 1024 * 1024) != 0) {
        error_abort("%s", "can not set buffer size");
    }
    if(pcap_set_snaplen(g.pcap.pcap, DEFAULT_PCAP_SNAPLEN) != 0) {
        error_abort("%s", "can not set snaplen");
    }
    if(pcap_set_promisc(g.pcap.pcap, g.option.promisc) != 0) {
        error_abort("%s", "can not set promiscuous mode");
    }
    if(pcap_set_timeout(g.pcap.pcap, 1) != 0) {
        error_abort("%s", "can not set timeout");
    }
    if(pcap_activate(g.pcap.pcap) != 0) {
        error_abort("%s", pcap_geterr(g.pcap.pcap));
    }
	if(pcap_compile(g.pcap.pcap, &bpf, expression, 0, 0) == -1) {
		error_abort("%s '%s'", pcap_geterr(g.pcap.pcap), expression);
	}
	if(pcap_setfilter(g.pcap.pcap, &bpf) == -1){
		error_abort("%s", pcap_geterr(g.pcap.pcap));
	}
	pcap_freecode(&bpf);
	g.pcap.snapshot = pcap_snapshot(g.pcap.pcap);
	g.pcap.datalink = pcap_datalink(g.pcap.pcap);
	if(g.pcap.datalink != DLT_EN10MB && g.pcap.datalink != DLT_LINUX_SLL) {
		error_abort("not support datalink %s (%s)",
			pcap_datalink_val_to_name(g.pcap.datalink),
			pcap_datalink_val_to_description(g.pcap.datalink)
		);
	}
}

开发者ID:fchiba，项目名称:tcpeek，代码行数:47，代码来源:init.c

示例20: epcap_open

    static int
epcap_open(EPCAP_STATE *ep)
{
    char errbuf[PCAP_ERRBUF_SIZE];

    if (ep->file) {
        PCAP_ERRBUF(ep->p = pcap_open_offline(ep->file, errbuf));
    } else {
        if (ep->dev == NULL)
            PCAP_ERRBUF(ep->dev = pcap_lookupdev(errbuf));

#ifdef HAVE_PCAP_CREATE
        PCAP_ERRBUF(ep->p = pcap_create(ep->dev, errbuf));
        (void)pcap_set_snaplen(ep->p, ep->snaplen);
        (void)pcap_set_promisc(ep->p, ep->opt & EPCAP_OPT_PROMISC);
        (void)pcap_set_timeout(ep->p, ep->timeout);
        if (ep->bufsz > 0)
            (void)pcap_set_buffer_size(ep->p, ep->bufsz);
        switch (pcap_activate(ep->p)) {
            case 0:
                break;
            case PCAP_WARNING:
            case PCAP_ERROR:
            case PCAP_WARNING_PROMISC_NOTSUP:
            case PCAP_ERROR_NO_SUCH_DEVICE:
            case PCAP_ERROR_PERM_DENIED:
                pcap_perror(ep->p, "pcap_activate: ");
                exit(EXIT_FAILURE);
            default:
                exit(EXIT_FAILURE);
        }
#else
        PCAP_ERRBUF(ep->p = pcap_open_live(ep->dev, ep->snaplen,
                    ep->opt & EPCAP_OPT_PROMISC, ep->timeout, errbuf));
#endif

        /* monitor mode */
#ifdef PCAP_ERROR_RFMON_NOTSUP
        if (pcap_can_set_rfmon(ep->p) == 1)
            (void)pcap_set_rfmon(ep->p, ep->opt & EPCAP_OPT_RFMON);
#endif
    }

    ep->datalink = pcap_datalink(ep->p);

    return 0;
}

开发者ID:kostyushkin，项目名称:epcap，代码行数:47，代码来源:epcap.c

注：本文中的pcap_create函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ pcap_create函数代码示例

示例1: main

示例2: fork

示例3: pcap_create

示例4: main

示例5: print_timestamp_types

示例6: open_pcap_dev

示例7: check_promisc

示例8: pcap_open_live_extended

示例9: capture

示例10: print_datalinks

示例11: create

示例12: tc_pcap_open

示例13: m_pHandler

示例14: pcap_main_loop

示例15: myPcapCatchAndAnaly

示例16: na_pcap_open

示例17: pcap_open_live

示例18: stub_pcap_create

示例19: tcpeek_init_pcap

示例20: epcap_open

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