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calltable.cpp
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/* Martin Vit [email protected]
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2.
*/
/**
* This file implements Calltable and Call class. Calltable implements operations
* on Call list. Call class implements operations on one call.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <syslog.h>
#include <math.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <iostream>
#include <sstream>
#include <vector>
#include <list>
#include <set>
#include <iterator>
//#include <.h>
#include "voipmonitor.h"
#include "calltable.h"
#include "format_wav.h"
#include "format_ogg.h"
#include "codecs.h"
#include "codec_alaw.h"
#include "codec_ulaw.h"
#include "mos_g729.h"
#include "jitterbuffer/asterisk/time.h"
#include "odbc.h"
#include "sql_db.h"
#include "rtcp.h"
#include "ipaccount.h"
#include "cleanspool.h"
#include "regcache.h"
#include "fraud.h"
#include "tar.h"
#if HAVE_LIBTCMALLOC
#include <gperftools/malloc_extension.h>
#endif
#define MIN(x,y) ((x) < (y) ? (x) : (y))
using namespace std;
extern int verbosity;
extern int verbosityE;
extern int opt_sip_register;
extern int opt_saveRTP;
extern int opt_onlyRTPheader;
extern int opt_saveSIP;
extern int opt_rtcp;
extern int opt_saveRAW; // save RTP payload RAW data?
extern int opt_saveWAV; // save RTP payload RAW data?
extern int opt_saveGRAPH; // save GRAPH data to graph file?
extern FileZipHandler::eTypeCompress opt_gzipGRAPH; // compress GRAPH data to graph file?
extern int opt_audio_format; // define format for audio writing (if -W option)
extern int opt_mos_g729;
extern int opt_nocdr;
extern int opt_only_cdr_next;
extern char opt_cachedir[1024];
extern char sql_cdr_table[256];
extern char sql_cdr_table_last30d[256];
extern char sql_cdr_table_last7d[256];
extern char sql_cdr_table_last1d[256];
extern char sql_cdr_next_table[256];
extern char sql_cdr_ua_table[256];
extern char sql_cdr_sip_response_table[256];
extern char sql_cdr_sip_request_table[256];
extern char sql_cdr_reason_table[256];
extern int opt_callend;
extern int opt_id_sensor;
extern int opt_id_sensor_cleanspool;
extern int rtptimeout;
extern int sipwithoutrtptimeout;
extern int absolute_timeout;
extern unsigned int gthread_num;
extern int num_threads;
extern int opt_printinsertid;
extern int opt_cdronlyanswered;
extern int opt_cdronlyrtp;
extern int opt_newdir;
extern char opt_keycheck[1024];
extern char opt_convert_char[256];
extern int opt_norecord_dtmf;
extern char opt_silencedmtfseq[16];
extern bool opt_cdr_sipport;
extern bool opt_cdr_rtpport;
extern char get_customers_pn_query[1024];
extern int opt_saverfc2833;
extern int opt_dbdtmf;
extern int opt_dscp;
extern int opt_cdrproxy;
extern int opt_pcap_dump_tar;
extern struct pcap_stat pcapstat;
extern int opt_filesclean;
extern int opt_allow_zerossrc;
extern int opt_cdr_ua_enable;
extern unsigned int graph_delimiter;
extern unsigned int graph_version;
extern int opt_mosmin_f2;
extern char opt_mos_lqo_bin[1024];
extern char opt_mos_lqo_ref[1024];
extern char opt_mos_lqo_ref16[1024];
extern int opt_mos_lqo;
extern regcache *regfailedcache;
extern MySqlStore *sqlStore;
extern int global_pcap_dlink;
extern pcap_t *global_pcap_handle;
extern int opt_rtpsave_threaded;
extern int opt_last_rtp_from_end;
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_limit_queue_register;
extern Calltable *calltable;
extern int opt_silencedetect;
extern int opt_clippingdetect;
extern int opt_read_from_file;
extern char opt_pb_read_from_file[256];
extern CustomHeaders *custom_headers_cdr;
extern CustomHeaders *custom_headers_message;
extern int opt_custom_headers_last_value;
extern bool _save_sip_history;
volatile int calls_counter = 0;
extern char mac[32];
unsigned int last_register_clean = 0;
extern int opt_onewaytimeout;
extern int opt_saveaudio_reversestereo;
extern int opt_saveaudio_stereo;
extern int opt_saveaudio_reversestereo;
extern float opt_saveaudio_oggquality;
extern int opt_skinny;
extern int opt_enable_fraud;
extern char opt_callidmerge_header[128];
extern int opt_sdp_multiplication;
extern int opt_hide_message_content;
extern char opt_hide_message_content_secret[1024];
SqlDb *sqlDbSaveCall = NULL;
bool existsColumnCalldateInCdrNext = true;
bool existsColumnCalldateInCdrRtp = true;
bool existsColumnCalldateInCdrDtmf = true;
bool existsColumnCalldateInCdrSipresp = true;
bool existsColumnCalldateInCdrSiphistory = true;
bool existsColumnCalldateInCdrTarPart = true;
extern int opt_pcap_dump_tar_sip_use_pos;
extern int opt_pcap_dump_tar_rtp_use_pos;
extern int opt_pcap_dump_tar_graph_use_pos;
extern unsigned int glob_ssl_calls;
extern bool opt_cdr_partition;
/* constructor */
Call::Call(char *call_id, unsigned long call_id_len, time_t time) :
tmprtp(-1),
pcap(PcapDumper::na, this),
pcapSip(PcapDumper::sip, this),
pcapRtp(PcapDumper::rtp, this) {
//increaseTartimemap(time);
isfax = 0;
seenudptl = 0;
last_callercodec = -1;
ipport_n = 0;
ssrc_n = 0;
first_packet_time = time;
first_packet_usec = 0;
last_packet_time = time;
last_rtp_a_packet_time = 0;
last_rtp_b_packet_time = 0;
this->call_id = string(call_id, call_id_len);
this->call_id_len = call_id_len;
whohanged = -1;
seeninvite = false;
seeninviteok = false;
seenbye = false;
seenbyeandok = false;
seenRES2XX = false;
seenRES2XX_no_BYE = false;
seenRES18X = false;
caller[0] = '\0';
caller_domain[0] = '\0';
callername[0] = '\0';
called[0] = '\0';
called_domain[0] = '\0';
contact_num[0] = '\0';
contact_domain[0] = '\0';
digest_username[0] = '\0';
digest_realm[0] = '\0';
register_expires = -1;
byecseq[0] = '\0';
invitecseq[0] = '\0';
cancelcseq[0] = '\0';
sighup = false;
progress_time = 0;
first_rtp_time = 0;
connect_time = 0;
a_ua[0] = '\0';
b_ua[0] = '\0';
memset(rtpmap, 0, sizeof(rtpmap));
rtp_cur[0] = NULL;
rtp_cur[1] = NULL;
rtp_prev[0] = NULL;
rtp_prev[1] = NULL;
lastSIPresponse[0] = '\0';
lastSIPresponseNum = 0;
new_invite_after_lsr487 = false;
cancel_lsr487 = false;
reason_sip_cause = 0;
reason_q850_cause = 0;
msgcount = 0;
regcount = 0;
reg401count = 0;
regstate = 0;
regresponse = false;
for(int i = 0; i < MAX_SSRC_PER_CALL; i++) {
rtp[i] = NULL;
}
rtplock = 0;
audiobuffer1 = NULL;
last_seq_audiobuffer1 = 0;
audiobuffer2 = NULL;
last_seq_audiobuffer2 = 0;
listening_worker_run = NULL;
tmprtp.call_owner = this;
flags = 0;
lastcallerrtp = NULL;
lastcalledrtp = NULL;
destroy_call_at = 0;
destroy_call_at_bye = 0;
custom_header1[0] = '\0';
match_header[0] = '\0';
thread_num = num_threads > 0 ? gthread_num % num_threads : 0;
gthread_num++;
recordstopped = 0;
dtmfflag = 0;
dtmfflag2 = 0;
silencerecording = 0;
flags1 = 0;
#if SYNC_CALL_RTP
rtppcaketsinqueue = 0;
#else
rtppcaketsinqueue_p = 0;
rtppcaketsinqueue_m = 0;
#endif
end_call = 0;
message = NULL;
contenttype = NULL;
content_length = 0;
unrepliedinvite = 0;
for(int i = 0; i < MAX_SIPCALLERDIP; i++) {
sipcallerip[i] = 0;
sipcalledip[i] = 0;
}
lastsipcallerip = 0;
sipcallerport = 0;
sipcalledport = 0;
fname2 = 0;
skinny_partyid = 0;
pthread_mutex_init(&buflock, NULL);
pthread_mutex_init(&listening_worker_run_lock, NULL);
caller_sipdscp = 0;
called_sipdscp = 0;
ps_ifdrop = pcapstat.ps_ifdrop;
ps_drop = pcapstat.ps_drop;
if(verbosity && verbosityE > 1) {
syslog(LOG_NOTICE, "CREATE CALL %s", this->call_id.c_str());
}
forcemark[0] = forcemark[1] = 0;
_forcemark_lock = 0;
a_mos_lqo = -1;
b_mos_lqo = -1;
oneway = 1;
absolute_timeout_exceeded = 0;
zombie_timeout_exceeded = 0;
bye_timeout_exceeded = 0;
rtp_timeout_exceeded = 0;
sipwithoutrtp_timeout_exceeded = 0;
oneway_timeout_exceeded = 0;
force_terminate = 0;
pcap_drop = 0;
onCall_2XX = false;
onCall_18X = false;
updateDstnumOnAnswer = false;
useSensorId = opt_id_sensor;
useDlt = global_pcap_dlink;
useHandle = global_pcap_handle;
force_close = false;
first_codec = -1;
chantype = 0;
chunkBuffersCount = 0;
caller_silence = 0;
called_silence = 0;
caller_noise = 0;
called_noise = 0;
caller_lastsilence = 0;
called_lastsilence = 0;
caller_clipping_8k = 0;
called_clipping_8k = 0;
error_negative_payload_length = false;
use_removeRtp = false;
is_ssl = false;
}
void
Call::mapRemove() {
int i;
Calltable *ct = (Calltable *)calltable;
for(i = 0; i < ipport_n; i++) {
ct->mapRemove(this->ip_port[i].addr, this->ip_port[i].port);
if(opt_rtcp) {
ct->mapRemove(this->ip_port[i].addr, this->ip_port[i].port + 1);
}
}
}
void
Call::hashRemove() {
int i;
Calltable *ct = (Calltable *)calltable;
for(i = 0; i < ipport_n; i++) {
ct->hashRemove(this, this->ip_port[i].addr, this->ip_port[i].port);
if(opt_rtcp) {
ct->hashRemove(this, this->ip_port[i].addr, this->ip_port[i].port + 1);
}
}
}
void
Call::skinnyTablesRemove() {
if(opt_skinny) {
if(skinny_partyid) {
((Calltable *)calltable)->skinny_partyID.erase(skinny_partyid);
skinny_partyid = 0;
}
/*
stringstream tmp[2];
tmp[0] << this->sipcallerip << '|' << this->sipcalledip;
tmp[1] << this->sipcallerip << '|' << this->sipcalledip;
*/
for (((Calltable *)calltable)->skinny_ipTuplesIT = ((Calltable *)calltable)->skinny_ipTuples.begin(); ((Calltable *)calltable)->skinny_ipTuplesIT != ((Calltable *)calltable)->skinny_ipTuples.end();) {
if(((Calltable *)calltable)->skinny_ipTuplesIT->second == this) {
((Calltable *)calltable)->skinny_ipTuples.erase(((Calltable *)calltable)->skinny_ipTuplesIT++);
} else {
++((Calltable *)calltable)->skinny_ipTuplesIT;
}
}
}
}
void
Call::removeFindTables(bool set_end_call) {
if(set_end_call) {
this->end_call = 1;
}
this->hashRemove();
this->skinnyTablesRemove();
}
void
Call::addtofilesqueue(string file, string column, long long writeBytes) {
_addtofilesqueue(file, column, dirnamesqlfiles(), writeBytes);
}
void
Call::_addtofilesqueue(string file, string column, string dirnamesqlfiles, long long writeBytes) {
if(!opt_filesclean or opt_nocdr or file == "" or !isSqlDriver("mysql") or
!isSetCleanspoolParameters() or
!check_datehour(dirnamesqlfiles.c_str())) return;
bool fileExists = file_exists((char*)file.c_str());
bool fileCacheExists = false;
string fileCache;
if(opt_cachedir[0] != '\0') {
fileCache = string(opt_cachedir) + "/" + file;
fileCacheExists = file_exists((char*)fileCache.c_str());
}
if(!fileExists && !fileCacheExists) return;
long long size = 0;
if(fileExists) {
size = GetFileSizeDU(file);
}
if(!size && fileCacheExists) {
size = GetFileSizeDU(fileCache);
}
if(writeBytes) {
writeBytes = GetDU(writeBytes);
if(writeBytes > size) {
size = writeBytes;
}
}
if(size == (long long)-1) {
//error or file does not exists
char buf[4092];
buf[0] = '\0';
strerror_r(errno, buf, 4092);
syslog(LOG_ERR, "addtofilesqueue ERROR file[%s] - error[%d][%s]", file.c_str(), errno, buf);
return;
}
if(size == 0) {
// if the file has 0 size we still need to add it to cleaning procedure
size = 1;
}
ostringstream query;
int id_sensor = opt_id_sensor_cleanspool == -1 ? 0 : opt_id_sensor_cleanspool;
query << "INSERT INTO files SET files.datehour = " << dirnamesqlfiles << ", id_sensor = " << id_sensor << ", "
<< column << " = " << size << " ON DUPLICATE KEY UPDATE " << column << " = " << column << " + " << size;
sqlStore->lock(STORE_PROC_ID_CLEANSPOOL);
sqlStore->query(query.str().c_str(), STORE_PROC_ID_CLEANSPOOL);
ostringstream fname;
fname << "filesindex/" << column << "/" << dirnamesqlfiles;
ofstream myfile(fname.str().c_str(), ios::app | ios::out);
if(!myfile.is_open()) {
syslog(LOG_ERR,"error write to [%s]", fname.str().c_str());
}
myfile << file << ":" << size << "\n";
myfile.close();
sqlStore->unlock(STORE_PROC_ID_CLEANSPOOL);
}
void
Call::addtocachequeue(string file) {
_addtocachequeue(file);
}
void
Call::_addtocachequeue(string file) {
calltable->lock_files_queue();
calltable->files_queue.push(file);
calltable->unlock_files_queue();
}
void
Call::removeRTP() {
#if SYNC_CALL_RTP
while(this->rtppcaketsinqueue > 0) {
usleep(100);
}
#endif
while(__sync_lock_test_and_set(&rtplock, 1)) {
usleep(100);
}
closeRawFiles();
ssrc_n = 0;
for(int i = 0; i < MAX_SSRC_PER_CALL; i++) {
// lets check whole array as there can be holes due rtp[0] <=> rtp[1] swaps in mysql rutine
if(rtp[i]) {
delete rtp[i];
rtp[i] = NULL;
}
}
for(int i = 0; i < 2; i++) {
rtp_cur[i] = NULL;
rtp_prev[i] = NULL;
}
lastcallerrtp = NULL;
lastcalledrtp = NULL;
__sync_lock_release(&rtplock);
use_removeRtp = true;
}
/* destructor */
Call::~Call(){
if(opt_callidmerge_header[0] != '\0') {
((Calltable*)calltable)->lock_calls_mergeMAP();
for(std::vector<string>::iterator it = mergecalls.begin(); it != mergecalls.end(); ++it) {
((Calltable*)calltable)->calls_mergeMAP.erase(*it);
}
((Calltable*)calltable)->unlock_calls_mergeMAP();
}
if(is_ssl) {
glob_ssl_calls--;
}
if(contenttype) delete [] contenttype;
for(int i = 0; i < MAX_SSRC_PER_CALL; i++) {
// lets check whole array as there can be holes due rtp[0] <=> rtp[1] swaps in mysql rutine
if(rtp[i]) {
delete rtp[i];
}
}
// tell listening_worker to stop listening
if(listening_worker_run) {
*listening_worker_run = 0;
}
pthread_mutex_lock(&listening_worker_run_lock);
if(audiobuffer1) delete audiobuffer1;
if(audiobuffer2) delete audiobuffer2;
if(this->message) {
delete [] message;
}
pthread_mutex_destroy(&buflock);
pthread_mutex_unlock(&listening_worker_run_lock);
pthread_mutex_destroy(&listening_worker_run_lock);
//decreaseTartimemap(this->first_packet_time);
//printf("caller s[%u] n[%u] ls[%u] called s[%u] n[%u] ls[%u]\n", caller_silence, caller_noise, caller_lastsilence, called_silence, called_noise, called_lastsilence);
//printf("caller_clipping_8k [%u] [%u]\n", caller_clipping_8k, called_clipping_8k);
}
void
Call::closeRawFiles() {
for(int i = 0; i < ssrc_n; i++) {
// close RAW files
if(rtp[i]->gfileRAW) {
FILE *tmp;
rtp[i]->jitterbuffer_fixed_flush(rtp[i]->channel_record);
/* preventing race condition as gfileRAW is checking for NULL pointer in rtp classes */
tmp = rtp[i]->gfileRAW;
rtp[i]->gfileRAW = NULL;
fclose(tmp);
}
// close GRAPH files
if(opt_saveGRAPH || (flags & FLAG_SAVEGRAPH)) {
if(rtp[i]->graph.isOpen()) {
rtp[i]->graph.close();
}
}
}
}
/* returns name of the directory in format YYYY-MM-DD */
string
Call::dirname() {
char sdirname[18];
struct tm t = localtime_r((const time_t*)(&first_packet_time));
if(opt_newdir) {
snprintf(sdirname, 17, "%04d-%02d-%02d/%02d/%02d", t.tm_year + 1900, t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min);
} else {
snprintf(sdirname, 17, "%04d-%02d-%02d", t.tm_year + 1900, t.tm_mon + 1, t.tm_mday);
}
sdirname[17] = 0;
string s(sdirname);
return s;
}
/* returns name of the directory in format YYYY-MM-DD */
string
Call::dirnamesqlfiles() {
char sdirname[12];
struct tm t = localtime_r((const time_t*)(&first_packet_time));
snprintf(sdirname, 11, "%04d%02d%02d%02d", t.tm_year + 1900, t.tm_mon + 1, t.tm_mday, t.tm_hour);
sdirname[11] = 0;
string s(sdirname);
return s;
}
/* add ip adress and port to this call */
int
Call::add_ip_port(in_addr_t sip_src_addr, in_addr_t addr, unsigned short port, char *sessid, char *ua, unsigned long ua_len, bool iscaller, int *rtpmap, bool fax) {
if(this->end_call) {
return(-1);
}
if(verbosity >= 4) {
struct in_addr in;
in.s_addr = addr;
printf("call:[%p] ip:[%s] port:[%d] iscaller:[%d]\n", this, inet_ntoa(in), port, iscaller);
}
if(ipport_n > 0) {
if(this->refresh_data_ip_port(addr, port, iscaller, rtpmap, fax)) {
return 1;
}
}
if(sverb.process_rtp) {
cout << "RTP - add_ip_port: " << inet_ntostring(htonl(addr)) << " / " << port << " " << (iscaller ? "caller" : "called") << endl;
}
if(ipport_n == MAX_IP_PER_CALL){
char tmp[18];
struct in_addr in;
in.s_addr = addr;
strcpy(tmp, inet_ntoa(in));
syslog(LOG_ERR,"callid [%s]: to much INVITEs in this call [%s:%d], raise MAX_IP_PER_CALL and recompile sniffer", call_id.c_str(), tmp, port);
}
// add ip and port
if(ipport_n >= MAX_IP_PER_CALL){
return -1;
}
if(ua_len && ua_len < 1024) {
char *tmp = iscaller ? this->b_ua : this->a_ua;
memcpy(tmp, ua, MIN(ua_len, 1024));
tmp[MIN(ua_len, 1023)] = '\0';
}
this->ip_port[ipport_n].sip_src_addr = sip_src_addr;
this->ip_port[ipport_n].addr = addr;
this->ip_port[ipport_n].port = port;
this->ip_port[ipport_n].iscaller = iscaller;
this->ip_port[ipport_n].fax = fax;
if(sessid) {
memcpy(this->ip_port[ipport_n].sessid, sessid, MAXLEN_SDP_SESSID);
} else {
memset(this->ip_port[ipport_n].sessid, 0, MAXLEN_SDP_SESSID);
}
memcpy(this->rtpmap[RTPMAP_BY_CALLERD ? iscaller : ipport_n], rtpmap, MAX_RTPMAP * sizeof(int));
ipport_n++;
return 0;
}
bool
Call::refresh_data_ip_port(in_addr_t addr, unsigned short port, bool iscaller, int *rtpmap, bool fax) {
for(int i = 0; i < ipport_n; i++) {
if(this->ip_port[i].addr == addr && this->ip_port[i].port == port) {
// reinit rtpmap
memcpy(this->rtpmap[RTPMAP_BY_CALLERD ? iscaller : i], rtpmap, MAX_RTPMAP * sizeof(int));
// force mark bit for reinvite for both direction
extern pcap_pkthdr *_process_packet_header;
u_int64_t _forcemark_time = _process_packet_header->ts.tv_sec * 1000000ull + _process_packet_header->ts.tv_usec;
forcemark_lock();
for(int j = 0; j < 2; j++) {
forcemark_time[j].push(_forcemark_time);
/*
cout << "add forcemark " << _forcemark_time << " forcemarks size " << forcemark_time[j].size() << endl;
*/
}
forcemark_unlock();
if(fax && !this->ip_port[i].fax) {
this->ip_port[i].fax = fax;
calltable->lock_calls_hash();
hash_node_call *calls = calltable->hashfind_by_ip_port(addr, port, 0, false);
if(calls) {
for(hash_node_call *node_call = calls; node_call != NULL; node_call = node_call->next) {
node_call->is_fax = fax;
}
}
calltable->unlock_calls_hash();
}
return true;
}
}
return false;
}
void
Call::add_ip_port_hash(in_addr_t sip_src_addr, in_addr_t addr, unsigned short port, char *sessid, char *ua, unsigned long ua_len, bool iscaller, int *rtpmap, bool fax, int allowrelation) {
if(this->end_call) {
return;
}
if(sessid) {
int sessidIndex = get_index_by_sessid(sessid, sip_src_addr);
if(sessidIndex >= 0) {
if(this->ip_port[sessidIndex].sip_src_addr == sip_src_addr &&
(this->ip_port[sessidIndex].addr != addr ||
this->ip_port[sessidIndex].port != port ||
this->ip_port[sessidIndex].iscaller != iscaller)) {
((Calltable*)calltable)->hashRemove(this, ip_port[sessidIndex].addr, ip_port[sessidIndex].port);
((Calltable*)calltable)->hashAdd(addr, port, this, iscaller, 0, fax, allowrelation);
if(opt_rtcp) {
((Calltable*)calltable)->hashRemove(this, ip_port[sessidIndex].addr, ip_port[sessidIndex].port + 1);
((Calltable*)calltable)->hashAdd(addr, port + 1, this, iscaller, 1, fax);
}
//cout << "change ip/port for sessid " << sessid << " ip:" << inet_ntostring(htonl(addr)) << "/" << inet_ntostring(htonl(this->ip_port[sessidIndex].addr)) << " port:" << port << "/" << this->ip_port[sessidIndex].port << endl;
this->ip_port[sessidIndex].addr = addr;
this->ip_port[sessidIndex].port = port;
this->ip_port[sessidIndex].iscaller = iscaller;
}
this->refresh_data_ip_port(addr, port, iscaller, rtpmap, fax);
return;
}
}
if(this->add_ip_port(sip_src_addr, addr, port, sessid, ua, ua_len, iscaller, rtpmap, fax) != -1) {
((Calltable*)calltable)->hashAdd(addr, port, this, iscaller, 0, fax, allowrelation);
if(opt_rtcp) {
((Calltable*)calltable)->hashAdd(addr, port + 1, this, iscaller, 1, fax);
}
}
}
/* Return reference to Call if IP:port was found, otherwise return NULL */
Call*
Call::find_by_ip_port(in_addr_t addr, unsigned short port, int *iscaller){
for(int i = 0; i < ipport_n; i++) {
if(this->ip_port[i].addr == addr && this->ip_port[i].port == port) {
// we have found it
*iscaller = this->ip_port[i].iscaller;
return this;
}
}
// not found
return NULL;
}
int
Call::get_index_by_ip_port(in_addr_t addr, unsigned short port){
for(int i = 0; i < ipport_n; i++) {
if(this->ip_port[i].addr == addr && this->ip_port[i].port == port) {
// we have found it
return i;
}
}
// not found
return -1;
}
Call*
Call::find_by_sessid(char *sessid){
for(int i = 0; i < ipport_n; i++) {
if(!memcmp(this->ip_port[i].sessid, sessid, MAXLEN_SDP_SESSID)) {
// we have found it
return this;
}
}
// not found
return NULL;
}
int
Call::get_index_by_sessid(char *sessid, in_addr_t sip_src_addr){
for(int i = 0; i < ipport_n; i++) {
if(!memcmp(this->ip_port[i].sessid, sessid, MAXLEN_SDP_SESSID) &&
(!sip_src_addr || sip_src_addr == this->ip_port[i].sip_src_addr)) {
// we have found it
return i;
}
}
// not found
return -1;
}
/* analyze rtcp packet */
void
Call::read_rtcp(unsigned char* data, int datalen, int dataoffset, struct pcap_pkthdr *header, u_int32_t saddr, u_int32_t daddr, unsigned short sport, unsigned short dport, int iscaller,
char enable_save_packet, const u_char *packet, char istcp, int dlt, int sensor_id) {
parse_rtcp((char*)data, datalen, this);
if(enable_save_packet && opt_rtpsave_threaded) {
save_packet(this, header, packet, saddr, sport, daddr, dport, istcp, NULL, (char*)data, datalen, dataoffset, TYPE_RTP,
false, dlt, sensor_id);
}
}
/* analyze rtp packet */
void
Call::read_rtp(unsigned char* data, int datalen, int dataoffset, struct pcap_pkthdr *header, struct iphdr2 *header_ip, u_int32_t saddr, u_int32_t daddr, unsigned short sport, unsigned short dport, int iscaller,
char enable_save_packet, const u_char *packet, char istcp, int dlt, int sensor_id, char *ifname) {
bool record_dtmf = 0;
if(first_rtp_time == 0) {
first_rtp_time = header->ts.tv_sec;
}
//RTP tmprtp; moved to Call structure to avoid creating and destroying class which is not neccessary
tmprtp.fill(data, datalen, header, saddr, daddr, sport, dport);
int curpayload = tmprtp.getPayload();
// chekc if packet is DTMF and saverfc2833 is enabled
if(opt_saverfc2833 and curpayload == 101) {
record_dtmf = 1;
}
unsigned int curSSRC = tmprtp.getSSRC();
if((!opt_allow_zerossrc and curSSRC == 0) || tmprtp.getVersion() != 2) {
// invalid ssrc
goto end;
}
if(opt_dscp && !header_ip) {
header_ip = (struct iphdr2 *)(data - sizeof(struct iphdr2) - sizeof(udphdr2));
}
if(iscaller) {
last_rtp_a_packet_time = header->ts.tv_sec;
} else {
last_rtp_b_packet_time = header->ts.tv_sec;
}
for(int i = 0; i < ssrc_n; i++) {
if(rtp[i]->ssrc2 == curSSRC
#if RTP_BY_SRC_IP
&& rtp[i]->saddr == saddr
#endif
&& rtp[i]->dport == dport
) {
// found
if(opt_dscp) {
rtp[i]->dscp = header_ip->tos >> 2;
if(sverb.dscp) {
cout << "rtpdscp " << (int)(header_ip->tos>>2) << endl;
}
}
// check if codec did not changed but ignore payload 13 and 19 which is CNG and 101 which is DTMF
int oldcodec = rtp[i]->codec;
if(curpayload == 13 or curpayload == 19 or rtp[i]->codec == PAYLOAD_TELEVENT or rtp[i]->payload2 == curpayload) {
goto read;
} else {
//codec changed, check if it is not DTMF
if(curpayload >= 96 && curpayload <= 127) {
for(int j = 0; j < MAX_RTPMAP; j++) {
if(rtp[i]->rtpmap[j] != 0 && curpayload == rtp[i]->rtpmap[j] / 1000) {
rtp[i]->codec = rtp[i]->rtpmap[j] - curpayload * 1000;
}
}
} else {
rtp[i]->codec = curpayload;
}
if(rtp[i]->codec == PAYLOAD_TELEVENT) {
read:
rtp[i]->read(data, datalen, header, saddr, daddr, sport, dport, seeninviteok, sensor_id, ifname);
if(iscaller) {
lastcallerrtp = rtp[i];
} else {
lastcalledrtp = rtp[i];
}
goto end;
} else if(oldcodec != rtp[i]->codec){
//codec changed and it is not DTMF, reset ssrc so the stream will not match and new one is used
//printf("mchange [%d] [%d]\n", rtp[i]->codec, curpayload);
rtp[i]->ssrc2 = 0;
}
}
}
}
// adding new RTP source
if(ssrc_n < MAX_SSRC_PER_CALL) {
// close previouse graph files to save RAM (but only if > 10
if(flags & FLAG_SAVEGRAPH && ssrc_n > 6) {
if(iscaller) {
if(lastcallerrtp && lastcallerrtp->graph.isOpen()) {
lastcallerrtp->graph.close();
}
} else {
if(lastcalledrtp && lastcalledrtp->graph.isOpen()) {
lastcalledrtp->graph.close();
}
}
}
// if previouse RTP streams are present it should be filled by silence to keep it in sync
if(iscaller) {
last_seq_audiobuffer1 = 0;
if(lastcallerrtp) {
lastcallerrtp->jt_tail(header);
}
} else {
last_seq_audiobuffer2 = 0;
if(lastcalledrtp) {
lastcalledrtp->jt_tail(header);
}
}
while(__sync_lock_test_and_set(&rtplock, 1)) {
usleep(100);
}
rtp[ssrc_n] = new FILE_LINE RTP(sensor_id);
rtp[ssrc_n]->call_owner = this;
rtp[ssrc_n]->ssrc_index = ssrc_n;
rtp[ssrc_n]->iscaller = iscaller;
if(rtp_cur[iscaller]) {
rtp_prev[iscaller] = rtp_cur[iscaller];
}
rtp_cur[iscaller] = rtp[ssrc_n];
if(opt_dscp) {
rtp[ssrc_n]->dscp = header_ip->tos >> 2;
if(sverb.dscp) {
cout << "rtpdscp " << (int)(header_ip->tos>>2) << endl;
}
}
char graphFilePath_spool_relative[1024];
char graphFilePath[1024];
snprintf(graphFilePath_spool_relative, 1023, "%s/%s/%s.%d.graph%s", dirname().c_str(), opt_newdir ? "GRAPH" : "", get_fbasename_safe(), ssrc_n,
opt_gzipGRAPH == FileZipHandler::gzip ? ".gz" : "");
graphFilePath_spool_relative[1023] = 0;
if(opt_cachedir[0] != '\0') {
snprintf(graphFilePath, 1023, "%s/%s", opt_cachedir, graphFilePath_spool_relative);
graphFilePath[1023] = 0;
} else {
strcpy(graphFilePath, graphFilePath_spool_relative);
}
strcpy(rtp[ssrc_n]->gfilename, graphFilePath);
if(flags & FLAG_SAVEGRAPH) {
if(rtp[ssrc_n]->graph.open(graphFilePath, graphFilePath_spool_relative)) {
rtp[ssrc_n]->graph.write((char*)&graph_version, 4); //every graph starts with graph_version
}
}
rtp[ssrc_n]->gfileRAW = NULL;
snprintf(rtp[ssrc_n]->basefilename, 1023, "%s/%s/%s.i%d", dirname().c_str(), opt_newdir ? "AUDIO" : "", get_fbasename_safe(), !iscaller);
rtp[ssrc_n]->basefilename[1023] = 0;
if(RTPMAP_BY_CALLERD) {
memcpy(this->rtp[ssrc_n]->rtpmap, rtpmap[isFillRtpMap(iscaller) ? iscaller : !iscaller], MAX_RTPMAP * sizeof(int));
} else {
int i = get_index_by_ip_port(saddr, sport);
if(i >= 0 && isFillRtpMap(i)) {
memcpy(this->rtp[ssrc_n]->rtpmap, rtpmap[i], MAX_RTPMAP * sizeof(int));
} else {
for(int j = 0; j < 2; j++) {
i = getFillRtpMapByCallerd(j ? !iscaller : iscaller);
if(i >= 0) {
memcpy(this->rtp[ssrc_n]->rtpmap, rtpmap[i], MAX_RTPMAP * sizeof(int));
break;
}
}
}
}
rtp[ssrc_n]->read(data, datalen, header, saddr, daddr, sport, dport, seeninviteok, sensor_id, ifname);
this->rtp[ssrc_n]->ssrc = this->rtp[ssrc_n]->ssrc2 = curSSRC;
this->rtp[ssrc_n]->payload2 = curpayload;
//set codec
if(curpayload >= 96 && curpayload <= 127) {
for(int i = 0; i < MAX_RTPMAP; i++) {
if(this->rtp[ssrc_n]->rtpmap[i] != 0 && curpayload == this->rtp[ssrc_n]->rtpmap[i] / 1000) {
this->rtp[ssrc_n]->codec = this->rtp[ssrc_n]->rtpmap[i] - curpayload * 1000;
}
}
} else {
this->rtp[ssrc_n]->codec = curpayload;
}
if(iscaller) {
lastcallerrtp = rtp[ssrc_n];
} else {
lastcalledrtp = rtp[ssrc_n];
}
ssrc_n++;
__sync_lock_release(&rtplock);
}
end:
if(enable_save_packet && opt_rtpsave_threaded) {
if((this->silencerecording || (opt_onlyRTPheader && !(this->flags & FLAG_SAVERTP))) && !this->isfax && !record_dtmf) {
if(datalen >= RTP_FIXED_HEADERLEN &&
header->caplen > (unsigned)(datalen - RTP_FIXED_HEADERLEN)) {
unsigned int tmp_u32 = header->caplen;
header->caplen = header->caplen - (datalen - RTP_FIXED_HEADERLEN);
save_packet(this, header, packet, saddr, sport, daddr, dport, istcp, NULL, (char*)data, datalen, dataoffset, TYPE_RTP,
false, dlt, sensor_id);
header->caplen = tmp_u32;
}
} else {
save_packet(this, header, packet, saddr, sport, daddr, dport, istcp, NULL, (char*)data, datalen, dataoffset, TYPE_RTP,
false, dlt, sensor_id);
}
}
}
void Call::stoprecording() {