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Code Issues Releases Wiki Activity

Allow configuring pcap timestamp precision

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This commit is contained in:
Matias Fontanini
2016-06-17 09:20:43 -07:00
parent ccda631708
commit a192e814bf
4 changed files with 35 additions and 6 deletions
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21
src/sniffer.cpp
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@@ -359,6 +359,16 @@ void Sniffer::set_immediate_mode(bool enabled) {
#endif // HAVE_PCAP_IMMEDIATE_MODE
}
void Sniffer::set_timestamp_precision(int value) {
// This function exists as of libpcap version 1.5.0.
#ifdef HAVE_PCAP_TIMESTAMP_PRECISION
int result = pcap_set_tstamp_precision(get_pcap_handle(), value);
if (result == PCAP_ERROR_TSTAMP_PRECISION_NOTSUP) {
throw pcap_error("Timestamp precision not supported");
}
#endif // HAVE_PCAP_TIMESTAMP_PRECISION
}
void Sniffer::set_rfmon(bool rfmon_enabled) {
#ifndef _WIN32
if (pcap_can_set_rfmon(get_pcap_handle()) == 1) {
@@ -408,7 +418,8 @@ const unsigned SnifferConfiguration::DEFAULT_TIMEOUT = 1000;
SnifferConfiguration::SnifferConfiguration()
: flags_(0), snap_len_(DEFAULT_SNAP_LEN), buffer_size_(0), timeout_(DEFAULT_TIMEOUT),
promisc_(false), rfmon_(false), immediate_mode_(false), direction_(PCAP_D_INOUT) {
promisc_(false), rfmon_(false), immediate_mode_(false), direction_(PCAP_D_INOUT),
timestamp_precision_(0) {
}
@@ -427,6 +438,9 @@ void SnifferConfiguration::configure_sniffer_pre_activation(Sniffer& sniffer) co
if ((flags_ & IMMEDIATE_MODE) != 0) {
sniffer.set_immediate_mode(immediate_mode_);
}
if ((flags_ & TIMESTAMP_PRECISION) != 0) {
sniffer.set_timestamp_precision(timestamp_precision_);
}
}
void SnifferConfiguration::configure_sniffer_pre_activation(FileSniffer& sniffer) const {
@@ -486,6 +500,11 @@ void SnifferConfiguration::set_immediate_mode(bool enabled) {
immediate_mode_ = enabled;
}
void SnifferConfiguration::set_timestamp_precision(int value) {
flags_ |= TIMESTAMP_PRECISION;
timestamp_precision_ = value;
}
void SnifferConfiguration::set_direction(pcap_direction_t direction) {
direction_ = direction;
flags_ |= DIRECTION;