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pcap_queue.cpp
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#include <errno.h>
#include <fcntl.h>
#include <iomanip>
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <net/ethernet.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <iostream>
#include <sstream>
#include <sys/syscall.h>
#include <vector>
#include <dirent.h>
#include <snappy-c.h>
#ifdef HAVE_LIBLZ4
#include <lz4.h>
#endif //HAVE_LIBLZ4
#include "pcap_queue_block.h"
#include "pcap_queue.h"
#include "hash.h"
#include "mirrorip.h"
#include "ipaccount.h"
#include "filter_mysql.h"
#include "tcpreassembly.h"
#include "sniff.h"
#include "sniff_proc_class.h"
#include "rrd.h"
#include "cleanspool.h"
#include "ssldata.h"
#include "tar.h"
#include "voipmonitor.h"
#ifndef FREEBSD
#include <malloc.h>
#endif
#define TEST_DEBUG_PARAMS 0
#if TEST_DEBUG_PARAMS == 1
#define OPT_PCAP_BLOCK_STORE_MAX_ITEMS 2000
#define OPT_PCAP_FILE_STORE_MAX_BLOCKS 1000
#define OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_MEMORY 500
#define OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_DISK 40000
#define OPT_PCAP_QUEUE_BYPASS_MAX_ITEMS 500
#else
#define OPT_PCAP_BLOCK_STORE_MAX_ITEMS 2000 // 500 kB
#define OPT_PCAP_FILE_STORE_MAX_BLOCKS 1000 // 500 MB
#define OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_MEMORY 500 // 250 MB
#define OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_DISK 40000 // 20 GB
#define OPT_PCAP_QUEUE_BYPASS_MAX_ITEMS 500 // 500 MB
#endif
#define AVG_PACKET_SIZE 250
#define VERBOSE (verbosity > 0)
#define DEBUG_VERBOSE (VERBOSE && false)
#define DEBUG_SLEEP (DEBUG_VERBOSE && true)
#define DEBUG_ALL_PACKETS (DEBUG_VERBOSE && false)
#define EXTENDED_LOG (DEBUG_VERBOSE || (VERBOSE && verbosityE > 1))
#define TERMINATING ((is_terminating() && this->enableAutoTerminate) || this->threadDoTerminate)
#define MAX_TCPSTREAMS 1024
#define FILE_BUFFER_SIZE 1000000
#define SNAPLEN (opt_snaplen > 0 ? (unsigned)opt_snaplen : \
(opt_enable_http || opt_enable_webrtc || opt_enable_ssl ? 6000 : 3200))
#define TRACE_INVITE_BYE 0
using namespace std;
extern int check_sip20(char *data, unsigned long len, ParsePacket::ppContentsX *parseContents);
void daemonizeOutput(string error);
extern int verbosity;
extern int verbosityE;
extern int opt_snaplen;
extern int opt_rrd;
extern int opt_udpfrag;
extern int opt_skinny;
extern int opt_ipaccount;
extern int opt_pcapdump;
extern int opt_pcapdump_all;
extern char opt_pcapdump_all_path[1024];
extern int opt_dup_check;
extern int opt_dup_check_ipheader;
extern int opt_mirrorip;
extern char opt_mirrorip_src[20];
extern char opt_mirrorip_dst[20];
extern int opt_enable_http;
extern int opt_enable_webrtc;
extern int opt_enable_ssl;
extern int opt_fork;
extern int opt_id_sensor;
extern char opt_name_sensor[256];
extern int opt_mysqlstore_max_threads_cdr;
extern int opt_mysqlstore_max_threads_message;
extern int opt_mysqlstore_max_threads_register;
extern int opt_mysqlstore_max_threads_http;
extern int opt_mysqlstore_max_threads_ipacc_base;
extern int opt_mysqlstore_max_threads_ipacc_agreg2;
extern pcap_t *global_pcap_handle;
extern u_int16_t global_pcap_handle_index;
extern char *sipportmatrix;
extern char *httpportmatrix;
extern char *webrtcportmatrix;
extern struct tcp_stream2_t *tcp_streams_hashed[MAX_TCPSTREAMS];
extern MirrorIP *mirrorip;
extern char user_filter[10*2048];
extern Calltable *calltable;
extern volatile int calls_counter;
extern volatile int registers_counter;
extern PreProcessPacket *preProcessPacket[PreProcessPacket::ppt_end];
extern ProcessRtpPacket *processRtpPacketHash;
extern ProcessRtpPacket *processRtpPacketDistribute[MAX_PROCESS_RTP_PACKET_THREADS];
extern TcpReassembly *tcpReassemblyHttp;
extern TcpReassembly *tcpReassemblyWebrtc;
extern TcpReassembly *tcpReassemblySsl;
extern TcpReassembly *tcpReassemblySipExt;
extern char opt_pb_read_from_file[256];
extern double opt_pb_read_from_file_speed;
extern int opt_pb_read_from_file_acttime;
extern int opt_pb_read_from_file_acttime_diff_days;
extern unsigned int opt_pb_read_from_file_max_packets;
extern bool opt_continue_after_read;
extern char opt_scanpcapdir[2048];
extern int global_pcap_dlink;
extern char opt_cachedir[1024];
extern unsigned long long cachedirtransfered;
unsigned long long lastcachedirtransfered = 0;
extern char opt_cachedir[1024];
extern char cloud_host[256];
extern int opt_pcap_dump_tar;
extern volatile unsigned int glob_tar_queued_files;
extern cBuffersControl buffersControl;
vm_atomic<string> pbStatString;
vm_atomic<u_long> pbCountPacketDrop;
void *_PcapQueue_threadFunction(void *arg);
void *_PcapQueue_writeThreadFunction(void *arg);
void *_PcapQueue_readFromInterfaceThread_threadFunction(void *arg);
void *_PcapQueue_readFromFifo_destroyBlocksThreadFunction(void *arg);
void *_PcapQueue_readFromFifo_socketServerThreadFunction(void *arg);
void *_PcapQueue_readFromFifo_connectionThreadFunction(void *arg);
static bool __config_ENABLE_TOGETHER_READ_WRITE_FILE = false;
#if TEST_DEBUG_PARAMS > 0
u_int opt_pcap_queue_block_max_time_ms = 500;
size_t opt_pcap_queue_block_max_size = OPT_PCAP_BLOCK_STORE_MAX_ITEMS * AVG_PACKET_SIZE;
u_int opt_pcap_queue_file_store_max_time_ms = 5000;
size_t opt_pcap_queue_file_store_max_size = opt_pcap_queue_block_max_size * OPT_PCAP_FILE_STORE_MAX_BLOCKS;
uint64_t opt_pcap_queue_store_queue_max_memory_size = opt_pcap_queue_block_max_size * OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_MEMORY;
uint64_t opt_pcap_queue_store_queue_max_disk_size = opt_pcap_queue_block_max_size * OPT_PCAP_STORE_QUEUE_MAX_BLOCKS_IN_DISK;
uint64_t opt_pcap_queue_bypass_max_size = opt_pcap_queue_block_max_size * OPT_PCAP_QUEUE_BYPASS_MAX_ITEMS;
#else
u_int opt_pcap_queue_block_max_time_ms = 500;
size_t opt_pcap_queue_block_max_size = 1024 * 1024;
u_int opt_pcap_queue_file_store_max_time_ms = 2000;
size_t opt_pcap_queue_file_store_max_size = 200 * 1024 * 1024;
uint64_t opt_pcap_queue_store_queue_max_memory_size = 200 * 1024 * 1024; //default is 200MB
uint64_t opt_pcap_queue_store_queue_max_disk_size = 0;
uint64_t opt_pcap_queue_bypass_max_size = 256 * 1024 * 1024;
#endif
int opt_pcap_queue_compress = -1;
pcap_block_store::compress_method opt_pcap_queue_compress_method
= pcap_block_store::snappy;
int opt_pcap_queue_compress_ratio = 100;
string opt_pcap_queue_disk_folder;
ip_port opt_pcap_queue_send_to_ip_port;
ip_port opt_pcap_queue_receive_from_ip_port;
int opt_pcap_queue_receive_from_port;
int opt_pcap_queue_receive_dlt = DLT_EN10MB;
int opt_pcap_queue_iface_separate_threads = 0;
int opt_pcap_queue_iface_dedup_separate_threads = 0;
int opt_pcap_queue_iface_dedup_separate_threads_extend = 0;
int opt_pcap_queue_iface_extend2_use_alloc_stack = 1;
int opt_pcap_queue_iface_qring_size = 5000;
int opt_pcap_queue_dequeu_window_length = -1;
int opt_pcap_queue_dequeu_need_blocks = 0;
int opt_pcap_queue_dequeu_method = 2;
int opt_pcap_queue_use_blocks = 0;
int opt_pcap_queue_use_blocks_read_check = 1;
int opt_pcap_dispatch = 0;
int opt_pcap_queue_suppress_t1_thread = 0;
int opt_pcap_queue_block_timeout = 0;
bool opt_pcap_queues_mirror_nonblock_mode = true;
bool opt_pcap_queues_mirror_require_confirmation = true;
bool opt_pcap_queues_mirror_use_checksum = true;
size_t _opt_pcap_queue_block_offset_init_size = opt_pcap_queue_block_max_size / AVG_PACKET_SIZE * 1.1;
size_t _opt_pcap_queue_block_offset_inc_size = opt_pcap_queue_block_max_size / AVG_PACKET_SIZE / 4;
size_t _opt_pcap_queue_block_restore_buffer_inc_size = opt_pcap_queue_block_max_size / 4;
int pcap_drop_flag = 0;
int enable_bad_packet_order_warning = 0;
static pcap_block_store_queue *blockStoreBypassQueue;
static unsigned long sumPacketsCounterIn[3];
static unsigned long sumPacketsCounterOut[3];
static unsigned long sumBlocksCounterIn[3];
static unsigned long sumBlocksCounterOut[3];
static unsigned long long sumPacketsSize[3];
static unsigned long long sumPacketsSizeCompress[3];
static unsigned long maxBypassBufferItems;
static unsigned long maxBypassBufferSize;
static unsigned long countBypassBufferSizeExceeded;
static double heapPerc = 0;
extern MySqlStore *sqlStore;
extern MySqlStore *loadFromQFiles;
extern PcapQueue_outputThread *pcapQueueQ_outThread_defrag;
extern unsigned int glob_ssl_calls;
bool packetbuffer_memory_is_full = false;
#include "sniff_inline.h"
pcap_t *pcap_handles[65535];
volatile u_int16_t pcap_handles_count;
volatile int _sync_pcap_handles;
u_int16_t register_pcap_handle(pcap_t *handle) {
u_int16_t rslt_index;
while(__sync_lock_test_and_set(&_sync_pcap_handles, 1));
if(!pcap_handles_count) ++pcap_handles_count;
rslt_index = pcap_handles_count;
pcap_handles[pcap_handles_count++] = handle;
__sync_lock_release(&_sync_pcap_handles);
return(rslt_index);
}
/*bool pcap_block_store::add(pcap_pkthdr *header, u_char *packet, int offset, int dlink, int memcpy_packet_size) {
if(this->full) {
return(false);
}
if((this->size + sizeof(pcap_pkthdr_plus) + header->caplen) > opt_pcap_queue_block_max_size ||
(!(this->count % 20) && this->size && getTimeMS_rdtsc() > (this->timestampMS + opt_pcap_queue_block_max_time_ms))) {
this->full = true;
return(false);
}
if(!this->block) {
while(true) {
this->block = new FILE_LINE(15001) u_char[opt_pcap_queue_block_max_size];
if(this->block) {
break;
}
syslog(LOG_ERR, "not enough memory for alloc packetbuffer block");
sleep(1);
}
}
if(!this->offsets_size) {
this->offsets_size = _opt_pcap_queue_block_offset_init_size;
this->offsets = new FILE_LINE(15002) uint32_t[this->offsets_size];
}
if(this->count == this->offsets_size) {
uint32_t *offsets_old = this->offsets;
size_t offsets_size_old = this->offsets_size;
this->offsets_size += _opt_pcap_queue_block_offset_inc_size;
this->offsets = new FILE_LINE(15003) uint32_t[this->offsets_size];
memcpy_heapsafe(this->offsets, offsets_old, sizeof(uint32_t) * offsets_size_old,
__FILE__, __LINE__);
delete [] offsets_old;
}
this->offsets[this->count] = this->size;
pcap_pkthdr_plus header_plus = pcap_pkthdr_plus(*header, offset, dlink);
memcpy_heapsafe(this->block + this->size, this->block,
&header_plus, NULL,
sizeof(pcap_pkthdr_plus),
__FILE__, __LINE__);
this->size += sizeof(pcap_pkthdr_plus);
memcpy_heapsafe(this->block + this->size, this->block,
packet, NULL,
memcpy_packet_size ? memcpy_packet_size : header->caplen,
__FILE__, __LINE__);
this->size += header->caplen;
this->size_packets += header->caplen;
++this->count;
return(true);
}*/
bool pcap_block_store::add_hp(pcap_pkthdr_plus *header, u_char *packet, int memcpy_packet_size) {
if(this->full) {
return(false);
}
if((this->size + (hm == plus2 ? sizeof(pcap_pkthdr_plus2) : sizeof(pcap_pkthdr_plus)) + header->get_caplen()) > opt_pcap_queue_block_max_size ||
(!(this->count % 20) && this->size && getTimeMS_rdtsc() > (this->timestampMS + opt_pcap_queue_block_max_time_ms))) {
this->full = true;
return(false);
}
if(!this->block) {
while(true) {
this->block = new FILE_LINE(15004) u_char[opt_pcap_queue_block_max_size];
if(this->block) {
break;
}
syslog(LOG_ERR, "not enough memory for alloc packetbuffer block");
sleep(1);
}
}
if(!this->offsets_size) {
this->offsets_size = _opt_pcap_queue_block_offset_init_size;
this->offsets = new FILE_LINE(15005) uint32_t[this->offsets_size];
}
if(this->count == this->offsets_size) {
uint32_t *offsets_old = this->offsets;
size_t offsets_size_old = this->offsets_size;
this->offsets_size += _opt_pcap_queue_block_offset_inc_size;
this->offsets = new FILE_LINE(15006) uint32_t[this->offsets_size];
memcpy_heapsafe(this->offsets, offsets_old, sizeof(uint32_t) * offsets_size_old,
__FILE__, __LINE__);
delete [] offsets_old;
}
this->offsets[this->count] = this->size;
memcpy_heapsafe(this->block + this->size, this->block,
header, NULL,
(hm == plus2 ? sizeof(pcap_pkthdr_plus2) : sizeof(pcap_pkthdr_plus)),
__FILE__, __LINE__);
this->size += (hm == plus2 ? sizeof(pcap_pkthdr_plus2) : sizeof(pcap_pkthdr_plus));
memcpy_heapsafe(this->block + this->size, this->block,
packet, NULL,
(memcpy_packet_size ? memcpy_packet_size : header->get_caplen()),
__FILE__, __LINE__);
this->size += header->get_caplen();
this->size_packets += header->get_caplen();
++this->count;
return(true);
}
/*bool pcap_block_store::add(pcap_pkthdr_plus *header, u_char *packet) {
return(this->add((pcap_pkthdr*)header, packet, header->offset, header->dlink));
}*/
void pcap_block_store::inc_h(pcap_pkthdr_plus2 *header) {
if(this->count == this->offsets_size) {
uint32_t *offsets_old = this->offsets;
size_t offsets_size_old = this->offsets_size;
this->offsets_size += _opt_pcap_queue_block_offset_inc_size;
this->offsets = new FILE_LINE(15007) uint32_t[this->offsets_size];
memcpy_heapsafe(this->offsets, offsets_old, sizeof(uint32_t) * offsets_size_old,
__FILE__, __LINE__);
delete [] offsets_old;
}
this->offsets[this->count] = this->size;
this->size += sizeof(pcap_pkthdr_plus2) + header->get_caplen();
this->size_packets += header->get_caplen();
++this->count;
}
bool pcap_block_store::get_add_hp_pointers(pcap_pkthdr_plus2 **header, u_char **packet, unsigned min_size_for_packet) {
if(!this->block) {
while(true) {
this->block = new FILE_LINE(15008) u_char[opt_pcap_queue_block_max_size];
if(this->block) {
break;
}
syslog(LOG_ERR, "not enough memory for alloc packetbuffer block");
sleep(1);
}
}
#if DEBUG_SYNC_PCAP_BLOCK_STORE
if(this->count >= DEBUG_SYNC_PCAP_BLOCK_STORE_LOCK_LENGTH) {
return(false);
}
#endif
if(!this->offsets_size) {
this->offsets_size = _opt_pcap_queue_block_offset_init_size;
this->offsets = new FILE_LINE(15009) uint32_t[this->offsets_size];
}
if(this->size + sizeof(pcap_pkthdr_plus2) + min_size_for_packet > opt_pcap_queue_block_max_size) {
this->full = true;
return(false);
}
*header = (pcap_pkthdr_plus2*)(this->block + this->size);
*packet = (u_char*)(this->block + this->size + sizeof(pcap_pkthdr_plus2));
return(true);
}
bool pcap_block_store::isFull_checkTimeout() {
if(this->full) {
return(true);
}
if(this->size && getTimeMS_rdtsc() > (this->timestampMS + opt_pcap_queue_block_max_time_ms)) {
this->full = true;
return(true);
}
return(false);
}
bool pcap_block_store::isTimeout() {
return(getTimeMS_rdtsc() > (this->timestampMS + opt_pcap_queue_block_max_time_ms));
}
void pcap_block_store::destroy() {
if(this->offsets) {
delete [] this->offsets;
this->offsets = NULL;
}
if(this->block) {
delete [] this->block;
this->block = NULL;
}
if(this->is_voip) {
delete [] this->is_voip;
this->is_voip = NULL;
}
this->size = 0;
this->size_compress = 0;
this->size_packets = 0;
this->count = 0;
this->offsets_size = 0;
this->full = false;
this->dlink = global_pcap_dlink;
this->sensor_id = opt_id_sensor;
this->sensor_ip = 0;
memset(this->ifname, 0, sizeof(this->ifname));
}
void pcap_block_store::destroyRestoreBuffer() {
if(this->restoreBuffer) {
delete [] this->restoreBuffer;
this->restoreBuffer = NULL;
}
this->restoreBufferSize = 0;
this->restoreBufferAllocSize = 0;
}
bool pcap_block_store::isEmptyRestoreBuffer() {
return(!this->restoreBuffer);
}
void pcap_block_store::freeBlock() {
if(this->block) {
delete [] this->block;
this->block = NULL;
}
}
u_char* pcap_block_store::getSaveBuffer(uint32_t block_counter) {
size_t sizeSaveBuffer = this->getSizeSaveBuffer();
u_char *saveBuffer = new FILE_LINE(15010) u_char[sizeSaveBuffer];
pcap_block_store_header header;
header.hm = this->hm;
header.size = this->size;
header.size_compress = this->size_compress;
header.count = this->count;
header.dlink = this->dlink;
header.sensor_id = this->sensor_id;
header.counter = block_counter;
strcpy(header.ifname, this->ifname);
memcpy_heapsafe(saveBuffer, saveBuffer,
&header, NULL,
sizeof(header),
__FILE__, __LINE__);
memcpy_heapsafe(saveBuffer + sizeof(header), saveBuffer,
this->offsets, this->offsets,
sizeof(uint32_t) * this->count,
__FILE__, __LINE__);
memcpy_heapsafe(saveBuffer + sizeof(pcap_block_store_header) + this->count * sizeof(uint32_t), saveBuffer,
this->block, this->block,
this->getUseSize(),
__FILE__, __LINE__);
((pcap_block_store_header*)saveBuffer)->checksum = opt_pcap_queues_mirror_use_checksum ?
max(checksum32buf(saveBuffer + sizeof(pcap_block_store_header), sizeSaveBuffer - sizeof(pcap_block_store_header)), (u_int32_t)1) :
0;
return(saveBuffer);
}
void pcap_block_store::restoreFromSaveBuffer(u_char *saveBuffer) {
pcap_block_store_header *header = (pcap_block_store_header*)saveBuffer;
this->hm = (header_mode)header->hm;
this->size = header->size;
this->size_compress = header->size_compress;
this->count = header->count;
this->dlink = header->dlink;
this->sensor_id = header->sensor_id;
strncpy(this->ifname, header->ifname, sizeof(header->ifname));
this->block_counter = header->counter;
this->require_confirmation = header->require_confirmation;
if(this->offsets) {
delete [] this->offsets;
}
if(this->block) {
delete [] this->block;
}
this->offsets_size = this->count;
this->offsets = new FILE_LINE(15011) uint32_t[this->offsets_size];
memcpy_heapsafe(this->offsets, this->offsets,
saveBuffer + sizeof(pcap_block_store_header), saveBuffer,
sizeof(uint32_t) * this->count,
__FILE__, __LINE__);
size_t sizeBlock = this->getUseSize();
this->block = new FILE_LINE(15012) u_char[sizeBlock];
memcpy_heapsafe(this->block, this->block,
saveBuffer + sizeof(pcap_block_store_header) + this->count * sizeof(uint32_t), saveBuffer,
sizeBlock,
__FILE__, __LINE__);
this->full = true;
}
int pcap_block_store::addRestoreChunk(u_char *buffer, size_t size, size_t *offset, bool autoRestore) {
u_char *_buffer = buffer + (offset ? *offset : 0);
size_t _size = size - (offset ? *offset : 0);
if(_size <= 0) {
return(-1);
}
if(this->restoreBufferAllocSize < this->restoreBufferSize + _size) {
this->restoreBufferAllocSize = this->restoreBufferSize + _size + _opt_pcap_queue_block_restore_buffer_inc_size;
u_char *restoreBufferNew = new FILE_LINE(15013) u_char[this->restoreBufferAllocSize];
if(this->restoreBuffer) {
memcpy_heapsafe(restoreBufferNew, this->restoreBuffer, this->restoreBufferSize,
__FILE__, __LINE__);
delete [] this->restoreBuffer;
}
this->restoreBuffer = restoreBufferNew;
}
memcpy_heapsafe(this->restoreBuffer + this->restoreBufferSize, this->restoreBuffer,
_buffer, buffer,
_size,
__FILE__, __LINE__);
this->restoreBufferSize += _size;
if(this->restoreBufferSize > opt_pcap_queue_block_max_size * 10) {
return(-2);
}
if(this->restoreBufferSize >= sizeof(pcap_block_store_header) &&
strncmp(((pcap_block_store_header*)this->restoreBuffer)->title, PCAP_BLOCK_STORE_HEADER_STRING, PCAP_BLOCK_STORE_HEADER_STRING_LEN)) {
return(-3);
}
if(this->restoreBufferSize >= sizeof(pcap_block_store_header) &&
((pcap_block_store_header*)this->restoreBuffer)->version != PCAP_BLOCK_STORE_HEADER_VERSION) {
return(-6);
}
int sizeRestoreBuffer = this->getSizeSaveBufferFromRestoreBuffer();
if(this->restoreBufferSize - _size > (size_t)sizeRestoreBuffer) {
return(-4);
}
if(sizeRestoreBuffer < 0 ||
this->restoreBufferSize < (size_t)sizeRestoreBuffer) {
return(0);
}
if(offset) {
*offset = size - (this->restoreBufferSize - sizeRestoreBuffer);
}
if(((pcap_block_store_header*)this->restoreBuffer)->checksum &&
((pcap_block_store_header*)this->restoreBuffer)->checksum != max(checksum32buf(this->restoreBuffer + sizeof(pcap_block_store_header), sizeRestoreBuffer - sizeof(pcap_block_store_header)), (u_int32_t)1)) {
return(-5);
}
if(autoRestore) {
this->restoreFromSaveBuffer(this->restoreBuffer);
this->destroyRestoreBuffer();
}
return(1);
}
bool pcap_block_store::compress() {
if(!opt_pcap_queue_compress ||
this->size_compress) {
return(true);
}
if(opt_pcap_queue_compress_ratio > 0 && opt_pcap_queue_compress_ratio < 100) {
static __thread unsigned __counter;
switch(opt_pcap_queue_compress_ratio / 10) {
case 0: if((__counter++) % 6) return(true); break;
case 1: if((__counter++) % 5) return(true); break;
case 2: if((__counter++) % 4) return(true); break;
case 3: if((__counter++) % 3) return(true); break;
case 5: if((__counter++) % 2) return(true); break;
case 6: if(!((__counter++) % 3)) return(true); break;
case 7: if(!((__counter++) % 4)) return(true); break;
case 8: if(!((__counter++) % 5)) return(true); break;
case 9: if(!((__counter++) % 6)) return(true); break;
}
}
switch(opt_pcap_queue_compress_method) {
case lz4:
#ifdef HAVE_LIBLZ4
return(this->compress_lz4());
#endif //HAVE_LIBLZ4
case snappy:
default:
return(this->compress_snappy());
}
return(true);
}
bool pcap_block_store::compress_snappy() {
size_t snappyBuffSize = snappy_max_compressed_length(this->size);
u_char *snappyBuff = new FILE_LINE(15014) u_char[snappyBuffSize];
if(!snappyBuff) {
syslog(LOG_ERR, "packetbuffer: snappy_compress: snappy buffer allocation failed - PACKETBUFFER BLOCK DROPPED!");
return(false);
}
snappy_status snappyRslt = snappy_compress((char*)this->block, this->size, (char*)snappyBuff, &snappyBuffSize);
switch(snappyRslt) {
case SNAPPY_OK:
delete [] this->block;
#if HEAPSAFE
this->block = (u_char*)realloc_object(snappyBuff, snappyBuffSize, __FILE__, __LINE__, 16015);
#else
this->block = (u_char*)realloc(snappyBuff, snappyBuffSize);
#endif
this->size_compress = snappyBuffSize;
sumPacketsSizeCompress[0] += this->size_compress;
return(true);
case SNAPPY_INVALID_INPUT:
syslog(LOG_ERR, "packetbuffer: snappy_compress: invalid input");
break;
case SNAPPY_BUFFER_TOO_SMALL:
syslog(LOG_ERR, "packetbuffer: snappy_compress: buffer is too small");
break;
default:
syslog(LOG_ERR, "packetbuffer: snappy_compress: unknown error");
break;
}
delete [] snappyBuff;
return(false);
}
bool pcap_block_store::compress_lz4() {
#ifdef HAVE_LIBLZ4
size_t lz4BuffSize = LZ4_compressBound(this->size);
u_char *lz4Buff = new FILE_LINE(15015) u_char[lz4BuffSize];
if(!lz4Buff) {
syslog(LOG_ERR, "packetbuffer: lz4_compress: lz4 buffer allocation failed - PACKETBUFFER BLOCK DROPPED!");
return(false);
}
int lz4_size = LZ4_compress((char*)this->block, (char*)lz4Buff, this->size);
if(lz4_size > 0) {
delete [] this->block;
this->block = new FILE_LINE(15016) u_char[lz4_size];
memcpy_heapsafe(this->block, lz4Buff, lz4_size,
__FILE__, __LINE__);
delete [] lz4Buff;
this->size_compress = lz4_size;
sumPacketsSizeCompress[0] += this->size_compress;
return(true);
} else {
syslog(LOG_ERR, "packetbuffer: lz4_compress: error");
}
delete [] lz4Buff;
#endif //HAVE_LIBLZ4
return(false);
}
bool pcap_block_store::uncompress(compress_method method) {
if(!this->size_compress) {
return(true);
}
switch(method == compress_method_default ? opt_pcap_queue_compress_method : method) {
case lz4:
#ifdef HAVE_LIBLZ4
return(this->uncompress_lz4());
#endif //HAVE_LIBLZ4
case snappy:
default:
return(this->uncompress_snappy());
}
return(true);
}
bool pcap_block_store::uncompress_snappy() {
if(!this->size_compress) {
return(true);
}
size_t snappyBuffSize = this->size;
u_char *snappyBuff = new FILE_LINE(15017) u_char[snappyBuffSize];
snappy_status snappyRslt = snappy_uncompress((char*)this->block, this->size_compress, (char*)snappyBuff, &snappyBuffSize);
switch(snappyRslt) {
case SNAPPY_OK:
delete [] this->block;
this->block = snappyBuff;
this->size_compress = 0;
return(true);
case SNAPPY_INVALID_INPUT:
syslog(LOG_ERR, "packetbuffer: snappy_uncompress: invalid input");
break;
case SNAPPY_BUFFER_TOO_SMALL:
syslog(LOG_ERR, "packetbuffer: snappy_uncompress: buffer is too small");
break;
default:
syslog(LOG_ERR, "packetbuffer: snappy_uncompress: unknown error");
break;
}
delete [] snappyBuff;
return(false);
}
bool pcap_block_store::uncompress_lz4() {
#ifdef HAVE_LIBLZ4
if(!this->size_compress) {
return(true);
}
size_t lz4BuffSize = this->size;
u_char *lz4Buff = new FILE_LINE(15018) u_char[lz4BuffSize];
if(LZ4_decompress_fast((char*)this->block, (char*)lz4Buff, this->size) >= 0) {
delete [] this->block;
this->block = lz4Buff;
this->size_compress = 0;
return(true);
} else {
syslog(LOG_ERR, "packetbuffer: lz4_uncompress: error");
}
delete [] lz4Buff;
#endif //HAVE_LIBLZ4
return(false);
}
pcap_block_store_queue::pcap_block_store_queue() {
extern int terminating;
this->queueBlock = new FILE_LINE(15019) rqueue_quick<pcap_block_store*>(
100000,
100, 100,
&terminating, true);
this->sizeOfBlocks = 0;
this->sizeOfBlocks_sync = 0;
}
pcap_block_store_queue::~pcap_block_store_queue() {
pcap_block_store* blockStore;
while(this->queueBlock->pop(&blockStore, false)) {
delete blockStore;
}
delete this->queueBlock;
}
pcap_file_store::pcap_file_store(u_int id, const char *folder) {
this->id = id;
this->folder = folder;
this->fileHandlePush = NULL;
this->fileHandlePop = NULL;
this->fileBufferPush = NULL;
this->fileBufferPop = NULL;
this->fileSize = 0;
this->fileSizeFlushed = 0;
this->countPush = 0;
this->countPop = 0;
this->full = false;
this->timestampMS = getTimeMS_rdtsc();
this->_sync_flush_file = 0;
}
pcap_file_store::~pcap_file_store() {
this->destroy();
}
bool pcap_file_store::push(pcap_block_store *blockStore) {
if(!this->fileHandlePush && !this->open(typeHandlePush)) {
return(false);
}
size_t oldFileSize = this->fileSize;
size_t sizeSaveBuffer = blockStore->getSizeSaveBuffer();
u_char *saveBuffer = blockStore->getSaveBuffer();
this->lock_sync_flush_file();
unsigned long long timeBeforeWrite = getTimeNS();
size_t rsltWrite = fwrite(saveBuffer, 1, sizeSaveBuffer, this->fileHandlePush);
unsigned long long timeAfterWrite = getTimeNS();
double diffTimeS = (timeAfterWrite - timeBeforeWrite) / 1e9;
if(diffTimeS > 0.1) {
syslog(LOG_NOTICE, "packetbuffer: slow write %luB - %.3lfs", sizeSaveBuffer, diffTimeS);
}
if(rsltWrite == sizeSaveBuffer) {
this->fileSize += rsltWrite;
} else {
syslog(LOG_ERR, "packetbuffer: write to %s failed", this->getFilePathName().c_str());
}
this->unlock_sync_flush_file();
delete [] saveBuffer;
if(rsltWrite == sizeSaveBuffer) {
blockStore->freeBlock();
blockStore->idFileStore = this->id;
blockStore->filePosition = oldFileSize;
++this->countPush;
return(true);
}
fseek(this->fileHandlePush, oldFileSize, SEEK_SET);
return(false);
}
bool pcap_file_store::pop(pcap_block_store *blockStore) {
if(!blockStore->idFileStore) {
syslog(LOG_ERR, "packetbuffer: invalid file store id");
return(false);
}
if(!this->fileHandlePop && !this->open(typeHandlePop)) {
return(false);
}
this->lock_sync_flush_file();
if(this->fileSizeFlushed <= blockStore->filePosition) {
this->fileSizeFlushed = this->fileSize;
if(this->fileHandlePush) {
fflush(this->fileHandlePush);
}
}
this->unlock_sync_flush_file();
fseek(this->fileHandlePop, blockStore->filePosition, SEEK_SET);
blockStore->destroyRestoreBuffer();
size_t readBuffSize = 1000;
u_char *readBuff = new FILE_LINE(15020) u_char[readBuffSize];
size_t readed;
while((readed = fread(readBuff, 1, readBuffSize, this->fileHandlePop)) > 0) {
if(blockStore->addRestoreChunk(readBuff, readed) > 0) {
break;
}
}
delete [] readBuff;
++this->countPop;
blockStore->destroyRestoreBuffer();
if(this->countPop == this->countPush && this->isFull()) {
this->close(typeHandlePop);
}
return(true);
}
bool pcap_file_store::open(eTypeHandle typeHandle) {
if((!(typeHandle & typeHandlePush) || this->fileHandlePush) &&
(!(typeHandle & typeHandlePop) || this->fileHandlePop)) {
return(true);
}
bool rslt = true;
string filePathName = this->getFilePathName();
if(typeHandle & typeHandlePush) {
remove(filePathName.c_str());
this->fileHandlePush = fopen(filePathName.c_str(), "wb");
if(this->fileHandlePush) {
if(VERBOSE || DEBUG_VERBOSE) {
ostringstream outStr;
outStr << "create packet buffer store: " << filePathName
<< " write handle: " << this->fileHandlePush
<< endl;
if(DEBUG_VERBOSE) {
cout << outStr.str();
} else {
syslog(LOG_ERR, "packetbuffer: %s", outStr.str().c_str());
}
}
this->fileBufferPush = new FILE_LINE(15021) u_char[FILE_BUFFER_SIZE];
setbuffer(this->fileHandlePush, (char*)this->fileBufferPush, FILE_BUFFER_SIZE);
} else {
syslog(LOG_ERR, "packetbuffer: open %s for write failed", filePathName.c_str());
rslt = false;
}
}
if(typeHandle & typeHandlePop) {
this->fileHandlePop = fopen(filePathName.c_str(), "rb");
if(this->fileHandlePop) {
if(VERBOSE || DEBUG_VERBOSE) {
ostringstream outStr;
outStr << "open file pcap store: " << filePathName
<< " read handle: " << this->fileHandlePop
<< endl;
if(DEBUG_VERBOSE) {
cout << outStr.str();
} else {
syslog(LOG_ERR, "packetbuffer: %s", outStr.str().c_str());
}
}
this->fileBufferPop = new FILE_LINE(15022) u_char[FILE_BUFFER_SIZE];
setbuffer(this->fileHandlePop, (char*)this->fileBufferPop, FILE_BUFFER_SIZE);
} else {
syslog(LOG_ERR, "packetbuffer: open %s for read failed", filePathName.c_str());
rslt = false;
}
}
return(rslt);
}
bool pcap_file_store::close(eTypeHandle typeHandle) {
if(typeHandle & typeHandlePush &&
this->fileHandlePush != NULL) {
this->lock_sync_flush_file();
if(this->fileHandlePush) {
fclose(this->fileHandlePush);
this->fileHandlePush = NULL;
delete [] this->fileBufferPush;
this->fileBufferPush = NULL;
}
this->unlock_sync_flush_file();
}
if(typeHandle & typeHandlePop &&
this->fileHandlePop != NULL) {
fclose(this->fileHandlePop);
this->fileHandlePop = NULL;
delete [] this->fileBufferPop;
this->fileBufferPop = NULL;
}
return(true);
}
bool pcap_file_store::destroy() {
this->close(typeHandleAll);
string filePathName = this->getFilePathName();
remove(filePathName.c_str());
return(true);
}
string pcap_file_store::getFilePathName() {
char filePathName[this->folder.length() + 100];
sprintf(filePathName, TEST_DEBUG_PARAMS ? "%s/pcap_store_mx_%010u" : "%s/pcap_store_%010u", this->folder.c_str(), this->id);
return(filePathName);
}
pcap_store_queue::pcap_store_queue(const char *fileStoreFolder) {
this->fileStoreFolder = fileStoreFolder;
this->lastFileStoreId = 0;
this->_sync_queue = 0;
this->_sync_fileStore = 0;
this->cleanupFileStoreCounter = 0;
this->lastTimeLogErrDiskIsFull = 0;
this->lastTimeLogErrMemoryIsFull = 0;
if(access(fileStoreFolder, F_OK ) == -1) {
mkdir_r(fileStoreFolder, 0700);
}
}
pcap_store_queue::~pcap_store_queue() {
pcap_file_store *fileStore;
while(this->fileStore.size()) {
fileStore = this->fileStore.front();
delete fileStore;
this->fileStore.pop_front();
}
pcap_block_store *blockStore;
while(this->queueStore.size()) {
blockStore = this->queueStore.front();
delete blockStore;
this->queueStore.pop_front();
}
}
bool pcap_store_queue::push(pcap_block_store *blockStore, bool deleteBlockStoreIfFail) {
if(opt_scanpcapdir[0]) {
while(!is_terminating() && buffersControl.getPercUsePB() > 20) {
usleep(100);
}
if(is_terminating()) {
return(false);
}
}
bool saveToFileStore = false;
bool locked_fileStore = false;
if(opt_pcap_queue_store_queue_max_disk_size &&
this->fileStoreFolder.length()) {
if(!buffersControl.check__pcap_store_queue__push()) {
saveToFileStore = true;
} else if(!__config_ENABLE_TOGETHER_READ_WRITE_FILE) {
this->lock_fileStore();
locked_fileStore = true;
if(this->fileStore.size() &&
!this->fileStore[this->fileStore.size() - 1]->isFull(buffersControl.get__pcap_store_queue__sizeOfBlocksInMemory() == 0)) {
saveToFileStore = true;
} else {
this->unlock_fileStore();
locked_fileStore = false;
}
}
}
if(saveToFileStore) {
pcap_file_store *fileStore;
if(!locked_fileStore) {
this->lock_fileStore();
}
if(this->getFileStoreUseSize(false) > opt_pcap_queue_store_queue_max_disk_size) {
u_long actTime = getTimeMS();
if(actTime - 1000 > this->lastTimeLogErrDiskIsFull) {
syslog(LOG_ERR, "packetbuffer: DISK IS FULL");
this->lastTimeLogErrDiskIsFull = actTime;
}
if(deleteBlockStoreIfFail) {
delete blockStore;
}
this->unlock_fileStore();
return(false);
}
if(!this->fileStore.size() ||
this->fileStore[this->fileStore.size() - 1]->isFull()) {
++this->lastFileStoreId;
if(!this->lastFileStoreId) {
++this->lastFileStoreId;
}
fileStore = new FILE_LINE(15023) pcap_file_store(this->lastFileStoreId, this->fileStoreFolder.c_str());
this->fileStore.push_back(fileStore);