#ifndef LTE_SOFTMODEM_H
#define LTE_SOFTMODEM_H

#define _GNU_SOURCE
#include <execinfo.h>
#include <fcntl.h>
#include <getopt.h>
#include <linux/sched.h>
#include "rt_wrapper.h"
#include <sched.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syscall.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <unistd.h>

#include <sys/sysinfo.h>
#include "rt_wrapper.h"
#include "../../ARCH/COMMON/common_lib.h"
//#undef MALLOC
#include "assertions.h"
#include "msc.h"
#include "PHY/types.h"
#include "PHY/defs_eNB.h"
#include "PHY/defs_UE.h"
#include "SIMULATION/ETH_TRANSPORT/proto.h"

#include "flexran_agent.h"

#if defined(ENABLE_ITTI)
#if defined(ENABLE_USE_MME)
#include "s1ap_eNB.h"
#ifdef PDCP_USE_NETLINK
#include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
#endif
#endif

/* help strings definition for command line options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_HLP_RFCFGF        "Configuration file for front-end (e.g. LMS7002M)\n"
#define CONFIG_HLP_ULMAXE        "set the eNodeB max ULSCH erros\n"
#define CONFIG_HLP_CALUER        "set UE RX calibration\n"
#define CONFIG_HLP_CALUERM       ""
#define CONFIG_HLP_CALUERB       ""
#define CONFIG_HLP_DBGUEPR       "UE run normal prach power ramping, but don't continue random-access\n"
#define CONFIG_HLP_CALPRACH      "UE run normal prach with maximum power, but don't continue random-access\n"
#define CONFIG_HLP_NOL2CN        "bypass L2 and upper layers\n"
#define CONFIG_HLP_SIML1         "activate RF simulator instead of HW\n"
#define CONFIG_HLP_NUMUE         "number of UE instances\n"
#define CONFIG_HLP_UERXG         "set UE RX gain\n"
#define CONFIG_HLP_UERXGOFF      "external UE amplifier offset\n"
#define CONFIG_HLP_UETXG         "set UE TX gain\n"
#define CONFIG_HLP_UENANTR       "set UE number of rx antennas\n"
#define CONFIG_HLP_UENANTT       "set UE number of tx antennas\n"
#define CONFIG_HLP_UESCAN        "set UE to scan around carrier\n"
#define CONFIG_HLP_DUMPFRAME     "dump UE received frame to rxsig_frame0.dat and exit\n" 
#define CONFIG_HLP_DLSHIFT       "dynamic shift for LLR compuation for TM3/4 (default 0)\n"
#define CONFIG_HLP_UELOOP        "get softmodem (UE) to loop through memory instead of acquiring from HW\n"
#define CONFIG_HLP_PHYTST        "test UE phy layer, mac disabled\n"
#define CONFIG_HLP_DMAMAP        "sets flag for improved EXMIMO UE performance\n"  
#define CONFIG_HLP_CLK           "tells hardware to use a clock reference (0:internal, 1:external, 2:gpsdo)\n"
#define CONFIG_HLP_USIM          "use XOR autentication algo in case of test usim mode\n" 
#define CONFIG_HLP_NOSNGLT       "Disables single-thread mode in lte-softmodem\n" 
#define CONFIG_HLP_TADV          "Set timing_advance\n"
#define CONFIG_HLP_DLF           "Set the downlink frequency for all component carriers\n"
#define CONFIG_HLP_CHOFF         "Channel id offset\n"
#define CONFIG_HLP_SOFTS         "Enable soft scope and L1 and L2 stats (Xforms)\n"
#define CONFIG_HLP_EXMCAL        "Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n"
#define CONFIG_HLP_ITTIL         "Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n"
#define CONFIG_HLP_DLMCS         "Set the maximum downlink MCS\n"
#define CONFIG_HLP_STMON         "Enable processing timing measurement of lte softmodem on per subframe basis \n"
#define CONFIG_HLP_PRB           "Set the PRB, valid values: 6, 25, 50, 100  \n"    
#define CONFIG_HLP_EMULIFACE     "Set the interface name for the multicast transport for emulation mode (e.g. eth0, lo, etc.)  \n"
//#define CONFIG_HLP_NUMUES		 "Set the number of UEs for the emulation"
#define CONFIG_HLP_MSLOTS        "Skip the missed slots/subframes \n"    
#define CONFIG_HLP_ULMCS         "Set the maximum uplink MCS\n"
#define CONFIG_HLP_TDD           "Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n"
#define CONFIG_HLP_SNR           "Set average SNR in dB (for --siml1 option)\n"
#define CONFIG_HLP_UE            "Set the lte softmodem as a UE\n"
#define CONFIG_HLP_L2MONW        "Enable L2 wireshark messages on localhost \n"
#define CONFIG_HLP_L2MONP        "Enable L2 pcap  messages on localhost \n"
#define CONFIG_HLP_TQFS          "Apply three-quarter of sampling frequency, 23.04 Msps to reduce the data rate on USB/PCIe transfers (only valid for 20 MHz)\n"
#define CONFIG_HLP_TPORT         "tracer port\n"
#define CONFIG_HLP_NOTWAIT       "don't wait for tracer, start immediately\n"
#define CONFIG_HLP_TNOFORK       "to ease debugging with gdb\n"

#define CONFIG_HLP_NUMEROLOGY    "adding numerology for 5G\n"
#define CONFIG_HLP_CODINGW       "coding worker thread enable(disable by defult)\n"
#define CONFIG_HLP_FEPW          "FEP worker thread enabled(disable by defult)\n"
#define CONFIG_HLP_EMULATE_RF    "Emulated RF enabled(disable by defult)\n"

#define CONFIG_HLP_DISABLNBIOT   "disable nb-iot, even if defined in config\n"

/***************************************************************************************************************************************/
/* command line options definitions, CMDLINE_XXXX_DESC macros are used to initialize paramdef_t arrays which are then used as argument 
   when calling config_get or config_getlist functions                                                                                 */


/*------------------------------------------------------------------------------------------------------------------------------------------*/
/*                                            command line parameters defining UE running mode                                              */
/*   optname                     helpstr                paramflags                      XXXptr        defXXXval         type       numelt   */
/*------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_UEMODEPARAMS_DESC {  \
{"calib-ue-rx",                 CONFIG_HLP_CALUER,     0,		 iptr:&rx_input_level_dBm,   defintval:0,	 TYPE_INT,   0},    \
{"calib-ue-rx-med",             CONFIG_HLP_CALUERM,    0,		 iptr:&rx_input_level_dBm,   defintval:0,	 TYPE_INT,   0},    \
{"calib-ue-rx-byp",             CONFIG_HLP_CALUERB,    0,		 iptr:&rx_input_level_dBm,   defintval:0,	 TYPE_INT,   0},    \
{"debug-ue-prach",              CONFIG_HLP_DBGUEPR,    PARAMFLAG_BOOL,   uptr:NULL,		     defuintval:1,	 TYPE_INT,   0},    \
{"no-L2-connect",               CONFIG_HLP_NOL2CN,     PARAMFLAG_BOOL,   uptr:NULL,		     defuintval:1,	 TYPE_INT,   0},    \
{"calib-prach-tx",              CONFIG_HLP_CALPRACH,   PARAMFLAG_BOOL,   uptr:NULL,		     defuintval:1,	 TYPE_INT,   0},    \
{"loop-memory",                 CONFIG_HLP_UELOOP,     0,		 strptr:&loopfile,	     defstrval:"iqs.in", TYPE_STRING,0},    \
{"ue-dump-frame",               CONFIG_HLP_DUMPFRAME,  PARAMFLAG_BOOL,   iptr:&dumpframe,	     defintval:0,	 TYPE_INT,   0},    \
}  
#define CMDLINE_CALIBUERX_IDX                   0
#define CMDLINE_CALIBUERXMED_IDX                1
#define CMDLINE_CALIBUERXBYP_IDX                2
#define CMDLINE_DEBUGUEPRACH_IDX                3
#define CMDLINE_NOL2CONNECT_IDX                 4
#define CMDLINE_CALIBPRACHTX_IDX                5
#define CMDLINE_MEMLOOP_IDX                     6
#define CMDLINE_DUMPMEMORY_IDX                  7
/*------------------------------------------------------------------------------------------------------------------------------------------*/


/*--------------------------------------------------------------------------------------------------------------------------------------------------*/
/*                                            command line parameters specific to UE                                                                */
/*   optname                     helpstr             paramflags                      XXXptr                  defXXXval       type          numelt   */
/*--------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_UEPARAMS_DESC {  \
{"siml1",                      CONFIG_HLP_SIML1,      PARAMFLAG_BOOL,   iptr:&simL1flag,                    defintval:0,    TYPE_INT,      0}, \
{"U",			       CONFIG_HLP_NUMUE,      0,                u8ptr:&NB_UE_INST,                   defuintval:1,    TYPE_UINT,      0}, \
{"ue-rxgain",        	       CONFIG_HLP_UERXG,      0,		dblptr:&(rx_gain[0][0]),	    defdblval:130,    TYPE_DOUBLE,   0},     \
{"ue-rxgain-off",    	       CONFIG_HLP_UERXGOFF,   0,		dblptr:&rx_gain_off,		    defdblval:0,    TYPE_DOUBLE,   0},     \
{"ue-txgain",        	       CONFIG_HLP_UETXG,      0,		dblptr:&(tx_gain[0][0]),	    defdblval:0,    TYPE_DOUBLE,   0},     \
{"ue-nb-ant-rx",     	       CONFIG_HLP_UENANTR,    0,		u8ptr:&nb_antenna_rx,		    defuintval:1,   TYPE_UINT8,    0},     \
{"ue-nb-ant-tx",     	       CONFIG_HLP_UENANTT,    0,		u8ptr:&nb_antenna_tx,		    defuintval:1,   TYPE_UINT8,    0},     \
{"ue-scan-carrier",  	       CONFIG_HLP_UESCAN,     PARAMFLAG_BOOL,	iptr:&UE_scan_carrier,  	    defintval:0,    TYPE_INT,	   0},     \
{"ue-max-power",     	       NULL,		      0,		iptr:&(tx_max_power[0]),	    defintval:23,   TYPE_INT,	   0},     \
{"emul-iface",                 CONFIG_HLP_EMULIFACE,  0,                strptr:&emul_iface,                 defstrval:"lo", TYPE_STRING,   100},   \
{"L2-emul",                    NULL,  		      0,                u8ptr:&nfapi_mode,                  defuintval:3, TYPE_UINT8,   0}, \
{"num-ues",     	       		   NULL,		      	  0,				u8ptr:&(NB_UE_INST),	    defuintval:1,   	TYPE_UINT8,	   0},     \
{"r"  ,                        CONFIG_HLP_PRB,        0,                u8ptr:&(frame_parms[0]->N_RB_DL),   defintval:25,   TYPE_UINT8,    0},     \
{"dlsch-demod-shift",     	 CONFIG_HLP_DLSHIFT,	0,		  iptr:(int32_t *)&dlsch_demod_shift,	defintval:0,			   TYPE_INT,	  0},			   \
}

#define DEFAULT_DLF 2680000000

/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/*                                            command line parameters common to eNodeB and UE                                                                                */
/*   optname                     helpstr                paramflags                      XXXptr                  defXXXval                            type           numelt   */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_PARAMS_DESC {  \
{"rf-config-file",          CONFIG_HLP_RFCFGF,      0,                      strptr:(char **)&rf_config_file,    defstrval:NULL,                 TYPE_STRING,    sizeof(rf_config_file)}, \
{"ulsch-max-errors",        CONFIG_HLP_ULMAXE,      0,                      uptr:&ULSCH_max_consecutive_errors, defuintval:0,                   TYPE_UINT,      0},                     \
{"phy-test",                CONFIG_HLP_PHYTST,      PARAMFLAG_BOOL,         iptr:&phy_test,                     defintval:0,                    TYPE_INT,       0},                     \
{"usim-test",               CONFIG_HLP_USIM,        PARAMFLAG_BOOL,         u8ptr:&usim_test,                   defintval:0,                    TYPE_UINT8,     0},                     \
{"mmapped-dma",             CONFIG_HLP_DMAMAP,      PARAMFLAG_BOOL,         uptr:&mmapped_dma,                  defintval:0,                    TYPE_INT,       0},                     \
{"clock",                   CONFIG_HLP_CLK,         0,                      uptr:&clock_source,                 defintval:0,                    TYPE_UINT,      0},                     \
{"wait-for-sync",           NULL,                   PARAMFLAG_BOOL,         iptr:&wait_for_sync,                defintval:0,                    TYPE_INT,       0},                     \
{"single-thread-enable",    CONFIG_HLP_NOSNGLT,     PARAMFLAG_BOOL,         iptr:&single_thread_flag,           defintval:0,                    TYPE_INT,       0},                     \
{"threadIQ",                NULL,                   0,                      iptr:&(threads.iq),                 defintval:1,                    TYPE_INT,       0},                     \
{"threadOneSubframe",       NULL,                   0,                      iptr:&(threads.one),                defintval:1,                    TYPE_INT,       0},                     \
{"threadTwoSubframe",       NULL,                   0,                      iptr:&(threads.two),                defintval:1,                    TYPE_INT,       0},                     \
{"threadThreeSubframe",     NULL,                   0,                      iptr:&(threads.three),              defintval:1,                    TYPE_INT,       0},                     \
{"threadSlot1ProcOne",      NULL,                   0,                      iptr:&(threads.slot1_proc_one),     defintval:1,                    TYPE_INT,       0},                     \
{"threadSlot1ProcTwo",      NULL,                   0,                      iptr:&(threads.slot1_proc_two),     defintval:1,                    TYPE_INT,       0},                     \
{"dlsch-demod-shift",       CONFIG_HLP_DLSHIFT,     0,                      iptr:(int32_t *)&dlsch_demod_shift, defintval:0,                    TYPE_INT,       0},                     \
{"A" ,                      CONFIG_HLP_TADV,        0,                      uptr:&timing_advance,               defintval:0,                    TYPE_UINT,      0},                     \
{"C" ,                      CONFIG_HLP_DLF,         0,                      uptr:&(downlink_frequency[0][0]),   defuintval:2680000000,          TYPE_UINT,      0},                     \
{"a" ,                      CONFIG_HLP_CHOFF,       0,                      iptr:&chain_offset,                 defintval:0,                    TYPE_INT,       0},                     \
{"d" ,                      CONFIG_HLP_SOFTS,       PARAMFLAG_BOOL,         uptr:(uint32_t *)&do_forms,         defintval:0,                    TYPE_INT8,      0},                     \
{"E" ,                      CONFIG_HLP_TQFS,        PARAMFLAG_BOOL,         i8ptr:&threequarter_fs,             defintval:0,                    TYPE_INT8,      0},                     \
{"m" ,                      CONFIG_HLP_DLMCS,       0,                      uptr:&target_dl_mcs,                defintval:0,                    TYPE_UINT,      0},                     \
{"t" ,                      CONFIG_HLP_ULMCS,       0,                      uptr:&target_ul_mcs,                defintval:0,                    TYPE_UINT,      0},                     \
{"W" ,                      CONFIG_HLP_L2MONW,      0,                      strptr:(char **)&in_ip,             defstrval:"127.0.0.1",          TYPE_STRING,    sizeof(in_ip)},         \
{"P" ,                      CONFIG_HLP_L2MONP,      0,                      strptr:(char **)&in_path,           defstrval:"/tmp/oai_opt.pcap",  TYPE_STRING,    sizeof(in_path)},       \
{"q" ,                      CONFIG_HLP_STMON,       PARAMFLAG_BOOL,         iptr:&opp_enabled,                  defintval:0,                    TYPE_INT,       0},                     \
{"S" ,                      CONFIG_HLP_MSLOTS,      PARAMFLAG_BOOL,         u8ptr:&exit_missed_slots,           defintval:1,                    TYPE_UINT8,     0},                     \
{"T" ,                      CONFIG_HLP_TDD,         PARAMFLAG_BOOL,         iptr:&tddflag,                      defintval:0,                    TYPE_INT,       0},                     \
{"s" ,                      CONFIG_HLP_SNR,         0,                      iptr:&snr_dB,                       defintval:25,                   TYPE_INT,       0},                     \
{"numerology" ,             CONFIG_HLP_NUMEROLOGY,  PARAMFLAG_BOOL,         iptr:&numerology,                   defintval:0,                    TYPE_INT,       0},                     \
{"emulate-rf" ,             CONFIG_HLP_EMULATE_RF,  PARAMFLAG_BOOL,         iptr:&emulate_rf,                   defintval:0,                    TYPE_INT,       0},                     \
{"codingw" ,                CONFIG_HLP_CODINGW,     PARAMFLAG_BOOL,         iptr:&codingw,                      defintval:0,                    TYPE_INT,       0},                     \
{"fepw" ,                   CONFIG_HLP_FEPW,        PARAMFLAG_BOOL,         iptr:&fepw,                         defintval:0,                    TYPE_INT,       0},                     \
{"nbiot-disable",           CONFIG_HLP_DISABLNBIOT, PARAMFLAG_BOOL,         iptr:&nonbiotflag,			defintval:0,			TYPE_INT,	0} \
}

#define CONFIG_HLP_FLOG          "Enable online log \n"
#define CONFIG_HLP_LOGL          "Set the global log level, valide options: (4:trace, 3:debug, 2:info, 1:warn, (0:error))\n"
#define CONFIG_HLP_TELN          "Start embedded telnet server \n"
#define CONFIG_HLP_MSC           "Enable the MSC tracing utility \n"
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/*                                            command line parameters for LOG utility                                                                                        */
/*   optname                     helpstr                paramflags                      XXXptr                  defXXXval                            type           numelt   */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_LOGPARAMS_DESC {  \
{"R" ,  		  	 CONFIG_HLP_FLOG,	0,                uptr:&online_log_messages,		defintval:1,			   TYPE_INT,	  0},			   \
{"g" ,  		  	 CONFIG_HLP_LOGL,	0,		  uptr:&glog_level,			defintval:0,			   TYPE_UINT,     0},			   \
{"telnetsrv",    		 CONFIG_HLP_TELN,	PARAMFLAG_BOOL,	  uptr:&start_telnetsrv,		defintval:0,			   TYPE_UINT,     0},			   \
{"msc",    		         CONFIG_HLP_MSC,	PARAMFLAG_BOOL,	  uptr:start_msc,		        defintval:0,			   TYPE_UINT,     0},	                   \
}
#define CMDLINE_ONLINELOG_IDX     0 
#define CMDLINE_GLOGLEVEL_IDX     1
#define CMDLINE_STARTTELN_IDX     2


/***************************************************************************************************************************************/  
/*  */
extern pthread_cond_t sync_cond;
extern pthread_mutex_t sync_mutex;
extern int sync_var;


extern uint32_t          downlink_frequency[MAX_NUM_CCs][4];
extern int32_t           uplink_frequency_offset[MAX_NUM_CCs][4];

extern int rx_input_level_dBm;
extern uint8_t exit_missed_slots;
extern uint64_t num_missed_slots; // counter for the number of missed slots

extern int oaisim_flag;
extern volatile int  oai_exit;

extern openair0_config_t openair0_cfg[MAX_CARDS];
extern pthread_cond_t sync_cond;
extern pthread_mutex_t sync_mutex;
extern int sync_var;
extern int transmission_mode;
extern double cpuf;

#if defined(ENABLE_ITTI)
extern volatile int             start_eNB;
extern volatile int             start_UE;
#endif

#include "threads_t.h"
extern threads_t threads;

// In lte-enb.c
extern void init_eNB(int single_thread_flag,int wait_for_sync);
extern void stop_eNB(int);
extern void kill_eNB_proc(int inst);

// In lte-ru.c
extern void init_RU(const char*);
extern void stop_ru(RU_t *ru);
extern void init_RU_proc(RU_t *ru);
extern void stop_RU(int nb_ru);
extern void kill_RU_proc(RU_t *ru);
extern void set_function_spec_param(RU_t *ru);

// In lte-ue.c
extern int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg);
extern void fill_ue_band_info(void);

extern void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correction, int phy_test, int UE_scan, int UE_scan_carrier, runmode_t mode,int rxgain,int txpowermax, LTE_DL_FRAME_PARMS *fp);
extern void init_thread(int sched_runtime, int sched_deadline, int sched_fifo, cpu_set_t *cpuset, char * name);

extern void reset_opp_meas(void);
extern void print_opp_meas(void);

extern void init_fep_thread(PHY_VARS_eNB *, pthread_attr_t *);
extern void init_td_thread(PHY_VARS_eNB *);
extern void init_te_thread(PHY_VARS_eNB *);
extern void kill_td_thread(PHY_VARS_eNB *);
extern void kill_te_thread(PHY_VARS_eNB *);

extern void RCConfig_sim(void);
extern void init_ocm(double,double);
extern void init_ue_devices(PHY_VARS_UE *);

PHY_VARS_UE* init_ue_vars(LTE_DL_FRAME_PARMS *frame_parms,
                          uint8_t UE_id,
                          uint8_t abstraction_flag);
void init_eNB_afterRU(void);

extern int stop_L1L2(module_id_t enb_id);
extern int restart_L1L2(module_id_t enb_id);


extern void init_UE_stub_single_thread(int nb_inst,int eMBMS_active, int uecap_xer_in, char *emul_iface);

extern PHY_VARS_UE* init_ue_vars(LTE_DL_FRAME_PARMS *frame_parms,
                          uint8_t UE_id,
                          uint8_t abstraction_flag);

#endif
