1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file lte-softmodem-common.c
* \brief common code for 5G and LTE softmodem main xNB and UEs source (nr-softmodem.c, lte-softmodem.c...)
* \author Nokia BellLabs France, francois Taburet
* \date 2020
* \version 0.1
* \company Nokia BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#include <time.h>
#include <dlfcn.h>
#include <sys/resource.h>
#include "UTIL/OPT/opt.h"
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "common/utils/telnetsrv/telnetsrv.h"
#include "executables/thread-common.h"
#include "common/utils/LOG/log.h"
#include "softmodem-common.h"
#include "nfapi/oai_integration/vendor_ext.h"
static softmodem_params_t softmodem_params;
char *parallel_config=NULL;
char *worker_config=NULL;
msc_interface_t msc_interface;
int usrp_tx_thread = 0;
uint8_t nfapi_mode=0;
static mapping softmodem_funcs[] = MAPPING_SOFTMODEM_FUNCTIONS;
static struct timespec start;
uint64_t get_softmodem_optmask(void) {
return softmodem_params.optmask;
}
uint64_t set_softmodem_optmask(uint64_t bitmask) {
softmodem_params.optmask = softmodem_params.optmask | bitmask;
return softmodem_params.optmask;
}
softmodem_params_t *get_softmodem_params(void) {
return &softmodem_params;
}
int32_t check_execmask(uint64_t execmask) {
char *softmodemfunc=map_int_to_str(softmodem_funcs, execmask);
if (softmodemfunc != NULL) {
set_softmodem_optmask(execmask);
return 0;
}
return -1;
}
char *get_softmodem_function(uint64_t *sofmodemfunc_mask_ptr) {
uint64_t fmask=(get_softmodem_optmask()&SOFTMODEM_FUNC_BITS);
char *softmodemfunc=map_int_to_str(softmodem_funcs, fmask);
if (sofmodemfunc_mask_ptr != NULL)
*sofmodemfunc_mask_ptr=fmask;
if (softmodemfunc != NULL) {
return softmodemfunc;
}
return "???";
}
void get_common_options(uint32_t execmask) {
uint32_t online_log_messages=0;
uint32_t glog_level=0 ;
uint32_t start_telnetsrv = 0, start_telnetclt = 0;
uint32_t noS1 = 0, nokrnmod = 1, nonbiot = 0;
uint32_t rfsim = 0, basicsim = 0, do_forms = 0;
char *logmem_filename = NULL;
paramdef_t cmdline_params[] =CMDLINE_PARAMS_DESC ;
paramdef_t cmdline_logparams[] =CMDLINE_LOGPARAMS_DESC ;
checkedparam_t cmdline_log_CheckParams[] = CMDLINE_LOGPARAMS_CHECK_DESC;
check_execmask(execmask);
config_get( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL);
int numparams=sizeof(cmdline_logparams)/sizeof(paramdef_t);
config_set_checkfunctions(cmdline_logparams, cmdline_log_CheckParams,numparams);
config_get( cmdline_logparams,numparams,NULL);
if(config_isparamset(cmdline_logparams,config_paramidx_fromname(cmdline_logparams,numparams, CONFIG_FLOG_OPT))) {
set_glog_onlinelog(online_log_messages);
}
if(config_isparamset(cmdline_logparams,config_paramidx_fromname(cmdline_logparams,numparams, CONFIG_LOGL_OPT))) {
set_glog(glog_level);
}
if (start_telnetsrv) {
load_module_shlib("telnetsrv",NULL,0,NULL);
}
if (start_telnetclt) {
set_softmodem_optmask(SOFTMODEM_TELNETCLT_BIT);
}
if (logmem_filename != NULL && strlen(logmem_filename) > 0) {
log_mem_filename = &logmem_filename[0];
log_mem_flag = 1;
printf("Enabling OPT for log save at memory %s\n",log_mem_filename);
logInit_log_mem();
}
if (noS1) {
set_softmodem_optmask(SOFTMODEM_NOS1_BIT);
}
if (nokrnmod) {
printf("nokrnmod bit enabled \n");
set_softmodem_optmask(SOFTMODEM_NOKRNMOD_BIT);
}
if (nonbiot) {
set_softmodem_optmask(SOFTMODEM_NONBIOT_BIT);
}
if (rfsim) {
set_softmodem_optmask(SOFTMODEM_RFSIM_BIT);
}
if (basicsim) {
set_softmodem_optmask(SOFTMODEM_BASICSIM_BIT);
}
if (do_forms) {
set_softmodem_optmask(SOFTMODEM_DOSCOPE_BIT);
}
if(parallel_config != NULL) set_parallel_conf(parallel_config);
if(worker_config != NULL) set_worker_conf(worker_config);
nfapi_setmode(nfapi_mode);
}
void softmodem_printresources(int sig, telnet_printfunc_t pf) {
struct rusage usage;
struct timespec stop;
clock_gettime(CLOCK_BOOTTIME, &stop);
uint64_t elapse = (stop.tv_sec - start.tv_sec) ; // in seconds
int st = getrusage(RUSAGE_SELF,&usage);
if (!st) {
pf("\nRun time: %lluh %llus\n",(unsigned long long)elapse/3600,(unsigned long long)(elapse - (elapse/3600)));
pf("\tTime executing user inst.: %lds %ldus\n",(long)usage.ru_utime.tv_sec,(long)usage.ru_utime.tv_usec);
pf("\tTime executing system inst.: %lds %ldus\n",(long)usage.ru_stime.tv_sec,(long)usage.ru_stime.tv_usec);
pf("\tMax. Phy. memory usage: %ldkB\n",(long)usage.ru_maxrss);
pf("\tPage fault number (no io): %ld\n",(long)usage.ru_minflt);
pf("\tPage fault number (requiring io): %ld\n",(long)usage.ru_majflt);
pf("\tNumber of file system read: %ld\n",(long)usage.ru_inblock);
pf("\tNumber of filesystem write: %ld\n",(long)usage.ru_oublock);
pf("\tNumber of context switch (process origin, io...): %ld\n",(long)usage.ru_nvcsw);
pf("\tNumber of context switch (os origin, priority...): %ld\n",(long)usage.ru_nivcsw);
}
}
void signal_handler(int sig) {
void *array[10];
size_t size;
if (sig==SIGSEGV) {
// get void*'s for all entries on the stack
/*
size = backtrace(array, 10);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", sig);
backtrace_symbols_fd(array, size, 2);
*/
exit(-1);
} else {
if(sig==SIGINT ||sig==SOFTMODEM_RTSIGNAL)
softmodem_printresources(sig,(telnet_printfunc_t)printf);
if (sig != SOFTMODEM_RTSIGNAL) {
printf("Linux signal %s...\n",strsignal(sig));
exit_function(__FILE__, __FUNCTION__, __LINE__,"softmodem starting exit procedure\n");
}
}
}
void set_softmodem_sighandler(void) {
struct sigaction act,oldact;
clock_gettime(CLOCK_BOOTTIME, &start);
memset(&act,0,sizeof(act));
act.sa_handler=signal_handler;
sigaction(SOFTMODEM_RTSIGNAL,&act,&oldact);
printf("Send signal %d to display resource usage...\n",SIGRTMIN+1);
signal(SIGSEGV, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGABRT, signal_handler);
}