/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*
* Author : Richard GAYRAUD - 04 Nov 2003
* From Hewlett Packard Company.
*/
#ifndef __SIPP__
#define __SIPP__
/* Std C includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <sys/resource.h>
#include <fcntl.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <errno.h>
#include <netdb.h>
#include <ctype.h>
#include <signal.h>
#include <time.h>
#include <vector>
#include <string>
#include <map>
#include <math.h>
#if defined(__HPUX) || defined(__SUNOS)
#include <alloca.h>
#endif
/* Sipp includes */
#include "xp_parser.h"
#include "scenario.hpp"
#include "screen.hpp"
#include "call.hpp"
#include "comp.h"
#include "stat.hpp"
#include "actions.hpp"
#include "variables.hpp"
#include "infile.hpp"
/* Open SSL stuff */
#ifdef _USE_OPENSSL
#include "sslcommon.h"
#endif
#ifndef __CYGWIN
#ifndef FD_SETSIZE
#define FD_SETSIZE 65000
#endif
#else
#ifndef FD_SETSIZE
#define FD_SETSIZE 1024
#endif
#endif
/*
* If this files is included in the Main, then extern definitions
* are removed, and the _DEFAULT macro becomes '= value;'. Else
* extern definition does not contain default values assignment
*/
#ifdef GLOBALS_FULL_DEFINITION
#define extern
#define _DEFVAL(value) = value
#else
#define _DEFVAL(value)
#endif
/************************** Constants **************************/
#define SIPP_VERSION 20071024
#define T_UDP 0
#define T_TCP 1
#define T_TLS 2
#ifdef _USE_OPENSSL
#define DEFAULT_TLS_CERT ((char *)"cacert.pem")
#define DEFAULT_TLS_KEY ((char *)"cakey.pem")
#define DEFAULT_TLS_CRL ((char *)"")
#endif
#define TRANSPORT_TO_STRING(p) ((p==T_TCP) ? "TCP" : ((p==T_TLS)? "TLS" :"UDP"))
#define SIPP_MAXFDS 65536
#define SIPP_MAX_MSG_SIZE 65536
#define MSG_RETRANS_FIRST 0
#define MSG_RETRANS_RETRANSMISSION 1
#define MSG_RETRANS_NEVER 2
#define DISPLAY_STAT_SCREEN 1
#define DISPLAY_REPARTITION_SCREEN 2
#define DISPLAY_SCENARIO_SCREEN 3
#define DISPLAY_VARIABLE_SCREEN 4
#define DISPLAY_TDM_MAP_SCREEN 5
#define DISPLAY_SECONDARY_REPARTITION_SCREEN 6
#define MAX_RECV_LOOPS_PER_CYCLE 1000
#define MAX_SCHED_LOOPS_PER_CYCLE 1000
#define NB_UPDATE_PER_CYCLE 1
#define MAX_PATH 250
#define MAX_PEER_SIZE 4096 /* 3pcc extended mode: max size of peer names */
#define MAX_LOCAL_TWIN_SOCKETS 10 /*3pcc extended mode:max number of peers from which
cmd messages are received */
/******************** Default parameters ***********************/
#define DEFAULT_RATE 10.0
#define DEFAULT_RATE_PERIOD_MS 1000
#define DEFAULT_TRANSPORT T_UDP
#define DEFAULT_PORT 5060
#define DEFAULT_MEDIA_PORT 6000
#ifdef __3PCC__
#define DEFAULT_3PCC_PORT 6060
#endif
#define DEFAULT_SERVICE ((char *)"service")
#define DEFAULT_AUTH_PASSWORD ((char *)"password")
#define DEFAULT_REPORT_FREQ 1000
#define DEFAULT_REPORT_FREQ_DUMP_LOG 60000
#define DEFAULT_TIMER_RESOLUTION 1
#define DEFAULT_FREQ_DUMP_RTT 200
#define DEFAULT_MAX_MULTI_SOCKET 50000
#define DEFAULT_CTRL_SOCKET_PORT 8888
/************ User controls and command line options ***********/
extern int duration _DEFVAL(0);
extern double rate _DEFVAL(DEFAULT_RATE);
extern int rate_increase _DEFVAL(0);
extern int rate_max _DEFVAL(0);
extern int users _DEFVAL(0);
extern int rate_period_ms _DEFVAL(DEFAULT_RATE_PERIOD_MS);
extern unsigned long defl_recv_timeout _DEFVAL(0);
extern unsigned long defl_send_timeout _DEFVAL(0);
extern unsigned long global_timeout _DEFVAL(0);
extern int transport _DEFVAL(DEFAULT_TRANSPORT);
extern bool retrans_enabled _DEFVAL(1);
extern int max_udp_retrans _DEFVAL(UDP_MAX_RETRANS);
extern int max_invite_retrans _DEFVAL(UDP_MAX_RETRANS_INVITE_TRANSACTION);
extern int max_non_invite_retrans _DEFVAL(UDP_MAX_RETRANS_NON_INVITE_TRANSACTION);
extern bool default_behavior _DEFVAL(1);
extern bool pause_msg_ign _DEFVAL(0);
extern int auto_answer _DEFVAL(0);
extern int multisocket _DEFVAL(0);
extern int compression _DEFVAL(0);
extern int peripsocket _DEFVAL(0);
extern int peripfield _DEFVAL(0);
extern int bind_local _DEFVAL(0);
extern void * monosocket_comp_state _DEFVAL(0);
extern char * service _DEFVAL(DEFAULT_SERVICE);
extern char * auth_password _DEFVAL(DEFAULT_AUTH_PASSWORD);
extern unsigned long report_freq _DEFVAL(DEFAULT_REPORT_FREQ);
extern unsigned long report_freq_dumpLog _DEFVAL
(DEFAULT_REPORT_FREQ_DUMP_LOG);
extern char * stat_delimiter _DEFVAL(";");
extern bool timeout_exit _DEFVAL(false);
extern unsigned long report_freq_dumpRtt _DEFVAL
(DEFAULT_FREQ_DUMP_RTT);
extern unsigned int max_multi_socket _DEFVAL
(DEFAULT_MAX_MULTI_SOCKET);
extern unsigned int timer_resolution _DEFVAL(DEFAULT_TIMER_RESOLUTION);
extern int max_recv_loops _DEFVAL(MAX_RECV_LOOPS_PER_CYCLE);
extern int max_sched_loops _DEFVAL(MAX_SCHED_LOOPS_PER_CYCLE);
extern char local_ip[40];
extern char local_ip_escaped[42];
extern bool local_ip_is_ipv6;
extern int local_port _DEFVAL(0);
extern int control_port _DEFVAL(0);
extern int buff_size _DEFVAL(65535);
extern int tcp_readsize _DEFVAL(65535);
#ifdef PCAPPLAY
extern int hasMedia _DEFVAL(0);
#endif
extern bool rtp_echo_enabled _DEFVAL(0);
extern char media_ip[40];
extern char media_ip_escaped[42];
extern int user_media_port _DEFVAL(0);
extern int media_port _DEFVAL(0);
extern size_t media_bufsize _DEFVAL(2048);
extern bool media_ip_is_ipv6;
extern char remote_ip[40];
extern char remote_ip_escaped[42];
extern int remote_port _DEFVAL(DEFAULT_PORT);
extern unsigned int pid _DEFVAL(0);
extern int print_all_responses _DEFVAL(0);
extern unsigned long stop_after _DEFVAL(0xffffffff);
extern int quitting _DEFVAL(0);
extern int interrupt _DEFVAL(0);
extern int paused _DEFVAL(0);
extern int lose_packets _DEFVAL(0);
extern double global_lost _DEFVAL(0.0);
extern char remote_host[255];
#ifdef __3PCC__
extern char twinSippHost[255];
extern char twinSippIp[40];
extern char * master_name;
extern char * slave_number;
extern int twinSippPort _DEFVAL(DEFAULT_3PCC_PORT);
extern bool twinSippMode _DEFVAL(false);
extern bool extendedTwinSippMode _DEFVAL(false);
#endif
extern bool backgroundMode _DEFVAL(false);
extern bool signalDump _DEFVAL(false);
extern int currentScreenToDisplay _DEFVAL
(DISPLAY_SCENARIO_SCREEN);
extern int currentRepartitionToDisplay _DEFVAL(1);
extern unsigned int base_cseq _DEFVAL(0);
extern char * auth_uri _DEFVAL(0);
extern char * call_id_string _DEFVAL("%u-%p@%s");
extern char **generic[100];
/* TDM map */
extern bool use_tdmmap _DEFVAL(false);
extern unsigned int tdm_map_a _DEFVAL(0);
extern unsigned int tdm_map_b _DEFVAL(0);
extern unsigned int tdm_map_c _DEFVAL(0);
extern unsigned int tdm_map_x _DEFVAL(0);
extern unsigned int tdm_map_y _DEFVAL(0);
extern unsigned int tdm_map_z _DEFVAL(0);
extern unsigned int tdm_map_h _DEFVAL(0);
extern bool tdm_map[1024];
#ifdef _USE_OPENSSL
extern BIO *twinSipp_bio ;
extern SSL *twinSipp_ssl ;
extern char *tls_cert_name _DEFVAL(DEFAULT_TLS_CERT) ;
extern char *tls_key_name _DEFVAL(DEFAULT_TLS_KEY) ;
extern char *tls_crl_name _DEFVAL(DEFAULT_TLS_CRL) ;
#endif
// extern field file management
typedef std::map<string, FileContents *> file_map;
extern file_map inFiles;
extern char *ip_file _DEFVAL(NULL);
extern char *default_file _DEFVAL(NULL);
// free user id list
extern list<int> freeUsers;
//extern int new_socket(bool P_use_ipv6, int P_type_socket, int * P_status);
extern struct sipp_socket *new_sipp_socket(bool use_ipv6, int transport);
struct sipp_socket *new_sipp_call_socket(bool use_ipv6, int transport, bool *existing);
struct sipp_socket *sipp_accept_socket(struct sipp_socket *accept_socket);
extern int sipp_bind_socket(struct sipp_socket *socket, struct sockaddr_storage *saddr, int *port);
extern int sipp_connect_socket(struct sipp_socket *socket, struct sockaddr_storage *dest);
extern void sipp_customize_socket(struct sipp_socket *socket);
extern int delete_socket(int P_socket);
extern int min_socket _DEFVAL(65535);
extern int select_socket _DEFVAL(0);
extern bool socket_close _DEFVAL(true);
extern bool test_socket _DEFVAL(true);
extern bool maxSocketPresent _DEFVAL(false);
extern unsigned long getmilliseconds();
extern unsigned long long getmicroseconds();
/************************ Statistics **************************/
extern unsigned long total_calls _DEFVAL(0);
extern unsigned long last_report_calls _DEFVAL(0);
extern unsigned long nb_net_send_errors _DEFVAL(0);
extern unsigned long nb_net_cong _DEFVAL(0);
extern unsigned long nb_net_recv_errors _DEFVAL(0);
extern bool cpu_max _DEFVAL(false);
extern bool outbound_congestion _DEFVAL(false);
extern unsigned int open_calls_peak _DEFVAL(0);
extern unsigned long open_calls_peak_time _DEFVAL(0);
extern int open_calls_user_setting _DEFVAL(0);
extern int nb_out_of_the_blue _DEFVAL(0);
extern int resynch_send _DEFVAL(0);
extern int resynch_recv _DEFVAL(0);
extern unsigned long rtp_pckts _DEFVAL(0);
extern unsigned long rtp_bytes _DEFVAL(0);
extern unsigned long rtp_pckts_pcap _DEFVAL(0);
extern unsigned long rtp_bytes_pcap _DEFVAL(0);
extern unsigned long rtp2_pckts _DEFVAL(0);
extern unsigned long rtp2_bytes _DEFVAL(0);
extern unsigned long rtp2_pckts_pcap _DEFVAL(0);
extern unsigned long rtp2_bytes_pcap _DEFVAL(0);
/************* Rate Control & Contexts variables **************/
extern unsigned int open_calls _DEFVAL(0);
extern int last_running_calls _DEFVAL(0);
extern int last_woken_calls _DEFVAL(0);
extern int last_paused_calls _DEFVAL(0);
extern unsigned int open_calls_allowed _DEFVAL(0);
extern unsigned long last_rate_change_time _DEFVAL(0);
extern unsigned long last_report_time _DEFVAL(0);
extern unsigned long last_dump_time _DEFVAL(0);
extern unsigned long calls_since_last_rate_change _DEFVAL(0);
/********************** Clock variables ***********************/
extern unsigned long clock_tick _DEFVAL(0);
extern unsigned long scheduling_loops _DEFVAL(0);
extern unsigned long last_timer_cycle _DEFVAL(0);
#define GET_TIME(clock) \
{ \
struct timezone tzp; \
gettimeofday (clock, &tzp); \
}
/*********************** Global Sockets **********************/
extern struct sipp_socket *main_socket _DEFVAL(0);
extern struct sipp_socket *tcp_multiplex _DEFVAL(0);
extern int media_socket _DEFVAL(0);
extern int media_socket_video _DEFVAL(0);
extern struct sockaddr_storage local_sockaddr;
extern struct sockaddr_storage localTwin_sockaddr;
extern int user_port _DEFVAL(0);
extern char hostname[80];
extern bool is_ipv6 _DEFVAL(false);
extern int start_calls _DEFVAL(0);
extern int reset_number _DEFVAL(0);
extern int reset_close _DEFVAL(1);
extern int reset_sleep _DEFVAL(1000);
extern struct addrinfo * local_addr_storage;
extern struct sipp_socket *twinSippSocket _DEFVAL(NULL);
extern struct sipp_socket *localTwinSippSocket _DEFVAL(NULL);
extern struct sockaddr_storage twinSipp_sockaddr;
/* 3pcc extended mode */
typedef struct _T_peer_infos {
char peer_host[40];
int peer_port;
struct sockaddr_storage peer_sockaddr;
char peer_ip[40];
struct sipp_socket *peer_socket ;
} T_peer_infos;
typedef std::map<std::string, char * > peer_addr_map;
extern peer_addr_map peer_addrs;
typedef std::map<std::string, T_peer_infos> peer_map;
extern peer_map peers;
typedef std::map<struct sipp_socket *, std::string > peer_socket_map;
extern peer_socket_map peer_sockets;
extern struct sipp_socket *local_sockets[MAX_LOCAL_TWIN_SOCKETS];
extern int local_nb _DEFVAL(0);
extern int peers_connected _DEFVAL(0);
extern struct sockaddr_storage remote_sockaddr;
extern short use_remote_sending_addr _DEFVAL(0);
extern struct sockaddr_storage remote_sending_sockaddr;
enum E_Alter_YesNo
{
E_ALTER_YES=0,
E_ALTER_NO
};
/************************** Trace Files ***********************/
extern FILE * screenf _DEFVAL(0);
extern FILE * logfile _DEFVAL(0);
extern FILE * messagef _DEFVAL(0);
extern FILE * shortmessagef _DEFVAL(0);
// extern FILE * timeoutf _DEFVAL(0);
extern bool useMessagef _DEFVAL(0);
extern bool useShortMessagef _DEFVAL(0);
extern bool useScreenf _DEFVAL(0);
extern bool useLogf _DEFVAL(0);
//extern bool useTimeoutf _DEFVAL(0);
extern bool dumpInFile _DEFVAL(0);
extern bool dumpInRtt _DEFVAL(0);
extern char * scenario_file;
extern char * slave_cfg_file;
#define TRACE_MSG(arg) \
{ \
if(messagef) { \
FILE * s = messagef; \
fprintf arg; \
fflush(messagef); \
} \
}
#define TRACE_SHORTMSG(arg) \
{ \
if(shortmessagef) { \
FILE * s = shortmessagef;\
fprintf arg; \
fflush(shortmessagef); \
} \
}
#define LOG_MSG(arg) \
{ \
if(logfile) { \
FILE * s = logfile; \
fprintf arg; \
fflush(logfile); \
} \
}
// TODO: finish the -trace_timeout option implementation
/* #define TRACE_TIMEOUT(arg) \
{ \
if(timeoutf) { \
FILE * s = timeoutf; \
fprintf arg; \
fflush(timeoutf); \
} \
} */
/********************* Mini-Parser Routines *******************/
int get_method(char *msg);
char * get_peer_tag(char *msg);
unsigned long int get_cseq_value(char *msg);
unsigned long get_reply_code(char *msg);
/********************** Network Interfaces ********************/
int send_message(int s, void ** comp_state, char * msg);
#ifdef _USE_OPENSSL
int send_message_tls(SSL *s, void ** comp_state, char * msg);
#endif
/* Socket Buffer Management. */
#define NO_COPY 0
#define DO_COPY 1
struct socketbuf *alloc_socketbuf(char *buffer, size_t size, int copy);
void free_socketbuf(struct socketbuf *socketbuf);
/* These buffers lets us read past the end of the message, and then split it if
* required. This eliminates the need for reading a message octet by octet and
* performing a second read for the content length. */
struct socketbuf {
char *buf;
size_t len;
size_t offset;
struct socketbuf *next;
};
/* This is an abstraction of a socket, which provides buffers for input and
* output. */
struct sipp_socket {
int ss_count; /* How many users are there of this socket? */
int ss_transport; /* T_TCP, T_UDP, or T_TLS. */
bool ss_ipv6;
bool ss_control; /* Is this a control socket? */
bool ss_call_socket; /* Is this a call socket? */
int ss_fd; /* The underlying file descriptor for this socket. */
void *ss_comp_state; /* The compression state. */
#ifdef _USE_OPENSSL
SSL *ss_ssl; /* The underlying SSL descriptor for this socket. */
BIO *ss_bio; /* The underlying BIO descriptor for this socket. */
#endif
struct sockaddr_storage ss_remote_sockaddr; /* Who we are talking to. */
int ss_pollidx; /* The index of this socket in our poll structures. */
bool ss_congested; /* Is this socket congested? */
bool ss_invalid; /* Has this socket been closed remotely? */
struct socketbuf *ss_in; /* Buffered input. */
size_t ss_msglen; /* Is there a complete SIP message waiting, and if so how big? */
struct socketbuf *ss_out; /* Buffered output. */
};
/* Write data to a socket. */
int write_socket(struct sipp_socket *socket, char *buffer, ssize_t len, int flags);
/* Mark a socket as "bad". */
void sipp_socket_invalidate(struct sipp_socket *socket);
/* Actually free the socket. */
void sipp_close_socket(struct sipp_socket *socket);
#define WS_EAGAIN 1 /* Return EAGAIN if there is no room for writing the message. */
#define WS_BUFFER 2 /* Buffer the message if there is no room for writing the message. */
#if defined (__hpux) || defined (__alpha) && !defined (__FreeBSD__)
#define sipp_socklen_t int
#else
#define sipp_socklen_t socklen_t
#endif
#define SOCK_ADDR_SIZE(a) \
(((a)->ss_family == AF_INET) ? sizeof(struct sockaddr_in) \
: sizeof(struct sockaddr_in6))
#if defined(__cplusplus) && defined (__hpux)
#define _RCAST(type, val) (reinterpret_cast<type> (val))
#else
#define _RCAST(type, val) ((type)(val))
#endif
/********************* Utilities functions *******************/
char *strcasestr2 ( char *__haystack, char *__needle);
char *get_peer_addr(char *);
int get_decimal_from_hex(char hex);
int reset_connections() ;
int close_calls();
int close_calls(struct sipp_socket *);
int close_connections();
int open_connections();
void timeout_alarm(int);
/* extended 3PCC mode */
struct sipp_socket **get_peer_socket(char *);
bool is_a_peer_socket(struct sipp_socket *);
bool is_a_local_socket(struct sipp_socket *);
void connect_to_peer (char *, int , sockaddr_storage *, char *, struct sipp_socket **);
void connect_to_all_peers ();
void connect_local_twin_socket(char *);
void close_peer_sockets();
void close_local_sockets();
void free_peer_addr_map();
/********************* Reset global kludge *******************/
#ifdef GLOBALS_FULL_DEFINITION
#undef extern
#endif
#endif // __SIPP__
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