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0c445beddad4fb26cdb03bc9fc5711065ebed7fa
openairinterface5g/common/utils/telnetsrv/telnetsrv_proccmd.c
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/*
* 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 common/utils/telnetsrv/telnetsrv_proccmd.c
* \brief: implementation of telnet commands related to this linux process
* \author Francois TABURET
* \date 2017
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <pthread.h>
#include <string.h>
#include <stdarg.h>
#include <dirent.h>
#define READCFG_DYNLOAD
#define TELNETSERVERCODE
#include "telnetsrv.h"
#define TELNETSRV_PROCCMD_MAIN
#include "log.h"
#include "log_extern.h"
#include "common/config/config_userapi.h"
#include "openair1/PHY/extern.h"
#include "telnetsrv_proccmd.h"
void decode_procstat(char *record, int debug, telnet_printfunc_t prnt)
{
char prntline[160];
char *procfile_fiels;
char *strtokptr;
char *lptr;
int fieldcnt;
char toksep[2];
fieldcnt=0;
procfile_fiels =strtok_r(record," ",&strtokptr);
lptr= prntline;
/*http://man7.org/linux/man-pages/man5/proc.5.html gives the structure of the stat file */
while( procfile_fiels != NULL && fieldcnt < 42) {
long int policy;
if (strlen(procfile_fiels) == 0)
continue;
fieldcnt++;
sprintf(toksep," ");
switch(fieldcnt) {
case 1: /* id */
lptr+=sprintf(lptr,"%9.9s ",procfile_fiels);
sprintf(toksep,")");
break;
case 2: /* name */
lptr+=sprintf(lptr,"%20.20s ",procfile_fiels+1);
break;
case 3: //thread state
lptr+=sprintf(lptr," %c ",procfile_fiels[0]);
break;
case 14: //time in user mode
case 15: //time in kernel mode
lptr+=sprintf(lptr,"%9.9s ",procfile_fiels);
break;
case 18: //priority
case 19: //nice
lptr+=sprintf(lptr,"%3.3s ",procfile_fiels);
break;
case 23: //vsize
lptr+=sprintf(lptr,"%9.9s ",procfile_fiels);
break;
case 39: //processor
lptr+=sprintf(lptr," %2.2s ",procfile_fiels);
break;
case 41: //policy
lptr+=sprintf(lptr,"%3.3s ",procfile_fiels);
policy=strtol(procfile_fiels,NULL,0);
switch(policy) {
case SCHED_FIFO:
lptr+=sprintf(lptr,"%s ","rt: fifo");
break;
case SCHED_OTHER:
lptr+=sprintf(lptr,"%s ","other");
break;
case SCHED_IDLE:
lptr+=sprintf(lptr,"%s ","idle");
break;
case SCHED_BATCH:
lptr+=sprintf(lptr,"%s ","batch");
break;
case SCHED_RR:
lptr+=sprintf(lptr,"%s ","rt: rr");
break;
case SCHED_DEADLINE:
lptr+=sprintf(lptr,"%s ","rt: deadline");
break;
default:
lptr+=sprintf(lptr,"%s ","????");
break;
}
break;
default:
break;
}/* switch on fieldcnr */
procfile_fiels =strtok_r(NULL,toksep,&strtokptr);
} /* while on proc_fields != NULL */
prnt("%s\n",prntline);
} /*decode_procstat */
void read_statfile(char *fname,int debug, telnet_printfunc_t prnt)
{
FILE *procfile;
char arecord[1024];
procfile=fopen(fname,"r");
if (procfile == NULL)
{
prnt("Error: Couldn't open %s %i %s\n",fname,errno,strerror(errno));
return;
}
if ( fgets(arecord,sizeof(arecord),procfile) == NULL)
{
prnt("Error: Nothing read from %s %i %s\n",fname,errno,strerror(errno));
fclose(procfile);
return;
}
fclose(procfile);
decode_procstat(arecord, debug, prnt);
}
void print_threads(char *buf, int debug, telnet_printfunc_t prnt)
{
char aname[256];
DIR *proc_dir;
struct dirent *entry;
prnt(" id name state USRmod KRNmod prio nice vsize proc pol \n\n");
snprintf(aname, sizeof(aname), "/proc/%d/stat", getpid());
read_statfile(aname,debug,prnt);
prnt("\n");
snprintf(aname, sizeof(aname), "/proc/%d/task", getpid());
proc_dir = opendir(aname);
if (proc_dir == NULL)
{
prnt("Error: Couldn't open %s %i %s\n",aname,errno,strerror(errno));
return;
}
while ((entry = readdir(proc_dir)) != NULL)
{
if(entry->d_name[0] == '.')
continue;
snprintf(aname, sizeof(aname), "/proc/%d/task/%s/stat", getpid(),entry->d_name);
read_statfile(aname,debug,prnt);
} /* while entry != NULL */
closedir(proc_dir);
} /* print_threads */
int proccmd_show(char *buf, int debug, telnet_printfunc_t prnt)
{
extern log_t *g_log;
if (debug > 0)
prnt(" proccmd_show received %s\n",buf);
if (strcasestr(buf,"thread") != NULL) {
print_threads(buf,debug,prnt);
}
if (strcasestr(buf,"loglvl") != NULL) {
prnt("component verbosity level enabled\n");
for (int i=MIN_LOG_COMPONENTS; i < MAX_LOG_COMPONENTS; i++) {
prnt("%02i %17.17s:%10.10s%10.10s %s\n",i ,g_log->log_component[i].name,
map_int_to_str(log_verbosity_names,g_log->log_component[i].flag),
map_int_to_str(log_level_names,g_log->log_component[i].level),
((g_log->log_component[i].interval>0)?"Y":"N") );
}
}
if (strcasestr(buf,"config") != NULL) {
prnt("Command line arguments:\n");
for (int i=0; i < config_get_if()->argc; i++) {
prnt(" %02i %s\n",i ,config_get_if()->argv[i]);
}
prnt("Config module flags ( -O <cfg source>:<xxx>:dbgl<flags>): 0x%08x\n", config_get_if()->rtflags);
prnt(" Print config debug msg, params values (flag %u): %s\n",CONFIG_PRINTPARAMS,
((config_get_if()->rtflags & CONFIG_PRINTPARAMS) ? "Y" : "N") );
prnt(" Print config debug msg, memory management(flag %u): %s\n",CONFIG_DEBUGPTR,
((config_get_if()->rtflags & CONFIG_DEBUGPTR) ? "Y" : "N") );
prnt(" Print config debug msg, command line processing (flag %u): %s\n",CONFIG_DEBUGCMDLINE,
((config_get_if()->rtflags & CONFIG_DEBUGCMDLINE) ? "Y" : "N") );
prnt(" Don't exit if param check fails (flag %u): %s\n",CONFIG_NOABORTONCHKF,
((config_get_if()->rtflags & CONFIG_NOABORTONCHKF) ? "Y" : "N") );
prnt("Config source: %s, parameters:\n",CONFIG_GETSOURCE );
for (int i=0; i < config_get_if()->num_cfgP; i++) {
prnt(" %02i %s\n",i ,config_get_if()->cfgP[i]);
}
prnt("Softmodem components:\n");
prnt(" %02i Ru(s)\n", RC.nb_RU);
prnt(" %02i lte RRc(s), %02i NbIoT RRC(s)\n", RC.nb_inst, RC.nb_nb_iot_rrc_inst);
prnt(" %02i lte MACRLC(s), %02i NbIoT MACRLC(s)\n", RC.nb_macrlc_inst, RC.nb_nb_iot_macrlc_inst);
prnt(" %02i lte L1, %02i NbIoT L1\n", RC.nb_L1_inst, RC.nb_nb_iot_L1_inst);
for(int i=0; i<RC.nb_inst; i++) {
prnt(" lte RRC %i: %02i CC(s) \n",i,((RC.nb_CC == NULL)?0:RC.nb_CC[i]));
}
for(int i=0; i<RC.nb_L1_inst; i++) {
prnt(" lte L1 %i: %02i CC(s)\n",i,((RC.nb_L1_CC == NULL)?0:RC.nb_L1_CC[i]));
}
for(int i=0; i<RC.nb_macrlc_inst; i++) {
prnt(" lte macrlc %i: %02i CC(s)\n",i,((RC.nb_mac_CC == NULL)?0:RC.nb_mac_CC[i]));
}
}
return 0;
}
int proccmd_thread(char *buf, int debug, telnet_printfunc_t prnt)
{
int bv1,bv2;
int res;
char sv1[64];
bv1=0;
bv2=0;
sv1[0]=0;
if (debug > 0)
prnt("proccmd_thread received %s\n",buf);
if (strcasestr(buf,"help") != NULL) {
prnt(PROCCMD_THREAD_HELP_STRING);
return 0;
}
res=sscanf(buf,"%i %9s %i",&bv1,sv1,&bv2);
if (debug > 0)
prnt(" proccmd_thread: %i params = %i,%s,%i\n",res,bv1,sv1,bv2);
if(res != 3)
{
prnt("softmodem thread needs 3 params, %i received\n",res);
return 0;
}
if (strcasestr(sv1,"prio") != NULL)
{
set_sched(0,bv1, bv2);
}
else if (strcasestr(sv1,"aff") != NULL)
{
set_affinity(0,bv1, bv2);
}
else
{
prnt("%s is not a valid thread command\n",sv1);
}
return 0;
}
int proccmd_exit(char *buf, int debug, telnet_printfunc_t prnt)
{
extern void exit_fun(const char* s);
if (debug > 0)
prnt("process module received %s\n",buf);
exit_fun("telnet server received exit command\n");
return 0;
}
int proccmd_log(char *buf, int debug, telnet_printfunc_t prnt)
{
int idx1=0;
int idx2=NUM_LOG_LEVEL-1;
char *logsubcmd=NULL;
int s = sscanf(buf,"%ms %i-%i\n",&logsubcmd, &idx1,&idx2);
if (debug > 0)
prnt( "proccmd_log received %s\n s=%i sub command %s\n",buf,s,((logsubcmd==NULL)?"":logsubcmd));
if (s == 1 && logsubcmd != NULL) {
if (strcasestr(logsubcmd,"online") != NULL) {
if (strcasestr(buf,"noonline") != NULL) {
set_glog_onlinelog(0);
prnt("online logging disabled\n",buf);
} else {
set_glog_onlinelog(1);
prnt("online logging enabled\n",buf);
}
}
else if (strcasestr(logsubcmd,"show") != NULL) {
prnt("Available log levels: \n ");
for (int i=0; log_level_names[i].name != NULL; i++)
prnt("%s ",log_level_names[i].name);
prnt("\nAvailable verbosity: \n ");
for (int i=0; log_verbosity_names[i].name != NULL; i++)
prnt("%s ",log_verbosity_names[i].name);
prnt("\n");
proccmd_show("loglvl",debug,prnt);
}
else if (strcasestr(logsubcmd,"help") != NULL) {
prnt(PROCCMD_LOG_HELP_STRING);
} else {
prnt("%s: wrong log command...\n",logsubcmd);
}
} else if ( s == 3 && logsubcmd != NULL) {
int level, verbosity, interval;
char *tmpstr=NULL;
char *logparam=NULL;
int l;
level = verbosity = interval = -1;
l=sscanf(logsubcmd,"%m[^'_']_%m[^'_']",&logparam,&tmpstr);
if (debug > 0)
prnt("l=%i, %s %s\n",l,((logparam==NULL)?"\"\"":logparam), ((tmpstr==NULL)?"\"\"":tmpstr));
if (l ==2 ) {
if (strcmp(logparam,"level") == 0) {
level=map_str_to_int(log_level_names,tmpstr);
if (level < 0) prnt("level %s unknown\n",tmpstr);
} else if (strcmp(logparam,"verbos") == 0) {
verbosity=map_str_to_int(log_verbosity_names,tmpstr);
if (verbosity < 0) prnt("verbosity %s unknown\n",tmpstr);
} else {
prnt("%s%s unknown log sub command \n",logparam, tmpstr);
}
} else if (l ==1 ) {
if (strcmp(logparam,"enable") == 0) {
interval = 1;
} else if (strcmp(logparam,"disable") == 0) {
interval = 0;
} else {
prnt("%s%s unknown log sub command \n",logparam, tmpstr);
}
} else {
prnt("%s unknown log sub command \n",logsubcmd);
}
if (logparam != NULL) free(logparam);
if (tmpstr != NULL) free(tmpstr);
for (int i=idx1; i<=idx2 ; i++) {
set_comp_log(i, level, verbosity, interval);
prnt("log level/verbosity comp %i %s set to %s / %s (%s)\n",
i,((g_log->log_component[i].name==NULL)?"":g_log->log_component[i].name),
map_int_to_str(log_level_names,g_log->log_component[i].level),
map_int_to_str(log_verbosity_names,g_log->log_component[i].flag),
((g_log->log_component[i].interval>0)?"enabled":"disabled"));
}
} else {
prnt("%s: wrong log command...\n",buf);
}
return 0;
}
/*-------------------------------------------------------------------------------------*/
void add_softmodem_cmds(void)
{
add_telnetcmd("softmodem",proc_vardef,proc_cmdarray);
}
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