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telnet server and shared library loader enhancement

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This commit is contained in:
frtabu
2017-10-07 00:35:23 +02:00
parent 5d778a5cec
commit 3b824c9067
9 changed files with 257 additions and 21 deletions
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common/utils/load_module_shlib.c
+75 -16
View File
@@ -1,9 +1,34 @@
/*
* 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 1.0 (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
*/
/* FT NOKBLF:
* this source is to be linked with the program using the telnet server, it looks for
* the telnet server dynamic library, possibly loads it and calls the telnet server
* init functions
*/
/*! \file common/utils/load_module_shlib.c
* \brief shared library loader implementation
* \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 <stdio.h>
#include <stdlib.h>
@@ -13,37 +38,71 @@
#include <dlfcn.h>
#include "openair1/PHY/defs.h"
#define LOAD_MODULE_SHLIB_MAIN
#include "common/config/config_userapi.h"
#include "load_module_shlib.h"
int load_module_shlib(char *modname)
void loader_init(void) {
paramdef_t LoaderParams[] = LOADER_PARAMS_DESC;
int ret = config_get( LoaderParams,sizeof(LoaderParams)/sizeof(paramdef_t),LOADER_CONFIG_PREFIX);
if (ret <0) {
fprintf(stderr,"[LOADER] configuration couldn't be performed");
if (loader_data.shlibpath == NULL) {
loader_data.shlibpath=DEFAULT_PATH;
}
return;
}
}
int load_module_shlib(char *modname,loader_shlibfunc_t *farray, int numf)
{
void *lib_handle;
initfunc_t fpi;
char *tmpstr;
int ret=0;
tmpstr = malloc(strlen(modname)+16);
if (loader_data.shlibpath == NULL) {
loader_init();
}
tmpstr = malloc(strlen(loader_data.shlibpath)+strlen(modname)+16);
if (tmpstr == NULL) {
fprintf(stderr,"[LOADER] %s %d malloc error loading module %s, %s\n",__FILE__, __LINE__, modname, strerror(errno));
return -1;
}
sprintf(tmpstr,"lib%s.so",modname);
if(loader_data.shlibpath[0] != 0) {
ret=sprintf(tmpstr,"%s/",loader_data.shlibpath);
}
if(strstr(modname,".so") == NULL) {
sprintf(tmpstr+ret,"lib%s.so",modname);
} else {
sprintf(tmpstr+ret,"%s",modname);
}
ret = 0;
lib_handle = dlopen(tmpstr, RTLD_LAZY|RTLD_NODELETE|RTLD_GLOBAL);
if (!lib_handle) {
printf("[LOADER] library %s is not loaded: %s\n", tmpstr,dlerror());
fprintf(stderr,"[LOADER] library %s is not loaded: %s\n", tmpstr,dlerror());
ret = -1;
} else {
sprintf(tmpstr,"init_%s",modname);
printf("[LOADER] library %s uccessfully loaded loaded\n", tmpstr);
sprintf(tmpstr,"%s_autoinit",modname);
fpi = dlsym(lib_handle,tmpstr);
if (fpi != NULL )
{
fpi();
}
else
{
fprintf(stderr,"[LOADER] %s %d %s function not found %s\n",__FILE__, __LINE__, dlerror(),tmpstr);
ret = -1;
}
if (farray != NULL) {
for (int i=0; i<numf; i++) {
farray[i].fptr = dlsym(lib_handle,farray[i].fname);
if (farray[i].fptr == NULL ) {
fprintf(stderr,"[LOADER] %s %d %s function not found %s\n",__FILE__, __LINE__, dlerror(),farray[i].fname);
ret= -1;
}
} /* for int i... */
} /* farray ! NULL */
}
if (tmpstr != NULL) free(tmpstr);
common/utils/load_module_shlib.h
+55 -1
View File
@@ -1,11 +1,65 @@
/*
* 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 1.0 (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/load_module_shlib.h
* \brief include file for users of the shared lib loader
* \author Francois TABURET
* \date 2017
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#ifndef LOAD_SHLIB_H
#define LOAD_SHLIB_H
typedef int(*initfunc_t)(void);
typedef struct {
char *shlibpath;
}loader_data_t;
typedef struct {
char *fname;
int (*fptr)(void);
}loader_shlibfunc_t;
#ifdef LOAD_MODULE_SHLIB_MAIN
#define LOADER_CONFIG_PREFIX "loader"
#define DEFAULT_PATH ""
loader_data_t loader_data;
/*--------------------------------------------------------------------------------------------------------------------------------------*/
/* LOADER parameters */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*--------------------------------------------------------------------------------------------------------------------------------------*/
#define LOADER_PARAMS_DESC { \
{"shlibpath", NULL, 0, strptr:(char **)&(loader_data.shlibpath), defstrval:DEFAULT_PATH, TYPE_STRING, 0} \
}
/*-------------------------------------------------------------------------------------------------------------*/
#else
extern int load_module_shlib(char *modname);
extern int load_module_shlib(char *modname, loader_shlibfunc_t *farray, int numf);
#endif
#endif
common/utils/telnetsrv/telnetsrv.c
+1 -1
View File
@@ -19,7 +19,7 @@
* contact@openairinterface.org
*/
/*! \file common/utils/telnetsrv.c
/*! \file common/utils/telnetsrv/telnetsrv.c
* \brief: implementation of a telnet server
* \author Francois TABURET
* \date 2017
common/utils/telnetsrv/telnetsrv.h
+31
View File
@@ -1,3 +1,34 @@
/*
* 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 1.0 (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.h
* \brief: include file for telnet server implementation
* \author Francois TABURET
* \date 2017
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#ifndef TELNETSRV_H
#define TELNETSRV_H
common/utils/telnetsrv/telnetsrv_phycmd.c
+32 -1
View File
@@ -1,3 +1,34 @@
/*
* 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 1.0 (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_phycmd.c
* \brief: implementation of telnet commands related to softmodem 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 <string.h>
#include <pthread.h>
@@ -89,7 +120,7 @@ int dump_phyvars(char *buf, int debug, telnet_printfunc_t prnt)
if (strcasestr(buf,"uedump") != NULL)
{
dump_uestats(debug, prnt,1);
}
}
return 0;
}
common/utils/telnetsrv/telnetsrv_phycmd.h
+30
View File
@@ -1,4 +1,34 @@
/*
* 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 1.0 (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_proccmd.h
* \brief: Include file defining telnet commands related to softmodem linux process
* \author Francois TABURET
* \date 2017
* \version 0.1
* \company NOKIA BellLabs France
* \email: francois.taburet@nokia-bell-labs.com
* \note
* \warning
*/
#ifdef TELNETSRV_PHYCMD_MAIN
common/utils/telnetsrv/telnetsrv_proccmd.c
+31
View File
@@ -1,3 +1,34 @@
/*
* 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 1.0 (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>
common/utils/telnetsrv/telnetsrv_proccmd.h
+1 -1
View File
@@ -19,7 +19,7 @@
* contact@openairinterface.org
*/
/*! \file common/utils/telnetsrv_proccmd.h
/*! \file common/utils/telnetsrv/telnetsrv_proccmd.h
* \brief: Include file defining telnet commands related to this linux process
* \author Francois TABURET
* \date 2017
targets/RT/USER/lte-softmodem.c
+1 -1
View File
@@ -588,7 +588,7 @@ static void get_options(void) {
set_glog(-1, glog_verbosity);
}
if (start_telnetsrv) {
load_module_shlib("telnetsrv");
load_module_shlib("telnetsrv",NULL,0);
}