Merge branch 'develop' into ulSNRs

Conflicts:
	openair2/ENB_APP/enb_config.c
	openair2/LAYER2/MAC/eNB_scheduler.c
	openair2/LAYER2/MAC/mac.h

cmake_targets/build_oai

@@ -68,6 +68,7 @@ DISABLE_LOG_X="False"
 USRP_REC_PLAY="False"
 BUILD_ECLIPSE=0
 UE_NAS_USE_TUN="False"
+BASIC_SIMULATOR=0
 trap handle_ctrl_c INT
 
 function print_help() {
@@ -159,6 +160,9 @@ Options
    Build for I/Q record-playback modes
 --ue-nas-use-tun
    Use TUN devices for the UEs instead of ue_ip.ko
+--basic-simulator
+   Generates a basic [1 UE + 1 eNB + no channel] simulator.
+   See targets/ARCH/tcp_bridge/README.tcp_bridge_oai for documentation.
 Usage (first build):
  oaisim (eNB + UE): ./build_oai -I  --oaisim -x --install-system-files
  Eurecom EXMIMO + COTS UE : ./build_oai -I  --eNB -x --install-system-files
@@ -354,6 +358,10 @@ function main() {
             UE_NAS_USE_TUN="True"
             echo_info "Enabling UE NAS TUN device usage instead of ue_ip.ko"
             shift 1;;
+        --basic-simulator)
+            BASIC_SIMULATOR=1
+            echo_info "Compiling the basic simulator"
+            shift 1;;
         -h | --help)
             print_help
             exit 1;;
@@ -919,6 +927,122 @@ fi
   else
     echo_info "10. Bypassing the Tests ..."
   fi
+
+  # basic simulator
+  #####################
+  if [ "$BASIC_SIMULATOR" = "1" ]; then
+    echo_info "Build basic simulator"
+    [ "$CLEAN" = "1" ] && rm -rf $OPENAIR_DIR/cmake_targets/basic_simulator
+    [ "$CLEAN" = "1" ] && rm -rf $OPENAIR_DIR/cmake_targets/nas_sim_tools/build
+    mkdir -p $OPENAIR_DIR/cmake_targets/basic_simulator
+    mkdir -p $OPENAIR_DIR/cmake_targets/basic_simulator/enb
+    mkdir -p $OPENAIR_DIR/cmake_targets/basic_simulator/ue
+    mkdir -p $OPENAIR_DIR/cmake_targets/nas_sim_tools/build
+
+    # enb
+
+    cmake_file=$OPENAIR_DIR/cmake_targets/basic_simulator/enb/CMakeLists.txt
+    echo "cmake_minimum_required(VERSION 2.8)"         >  $cmake_file
+    echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )"  >> $cmake_file
+    echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
+    echo "set ( RRC_ASN1_VERSION \"${REL}\")"          >>  $cmake_file
+    echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )"         >>  $cmake_file
+    echo "set ( XFORMS $XFORMS )"                      >>  $cmake_file
+    echo "set ( RF_BOARD \"OAI_USRP\")"                >>  $cmake_file
+    echo "set ( TRANSP_PRO \"None\")"                  >>  $cmake_file
+    echo "set(PACKAGE_NAME \"simulator_enb\")"         >>  $cmake_file
+    echo "set (DEADLINE_SCHEDULER \"False\" )"         >>  $cmake_file
+    echo "set (CPU_AFFINITY \"False\" )"               >>  $cmake_file
+    echo "set ( T_TRACER \"True\" )"                   >>  $cmake_file
+    echo "set (UE_AUTOTEST_TRACE $UE_AUTOTEST_TRACE)"  >>  $cmake_file
+    echo "set (UE_DEBUG_TRACE $UE_DEBUG_TRACE)"        >>  $cmake_file
+    echo "set (UE_TIMING_TRACE $UE_TIMING_TRACE)"      >>  $cmake_file
+    echo "set (DISABLE_LOG_X $DISABLE_LOG_X)"          >>  $cmake_file
+    echo "set (USRP_REC_PLAY $USRP_REC_PLAY)"          >>  $cmake_file
+    echo "set (BASIC_SIMULATOR \"True\" )"             >>  $cmake_file
+    echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../../CMakeLists.txt)' >> $cmake_file
+
+    echo_info "Build eNB"
+    echo_info "logs are in $dlog/basic_simulator_enb.txt"
+    set +e
+    {
+      cd $OPENAIR_DIR/cmake_targets/basic_simulator/enb
+      cmake .
+      make -j`nproc` coding params_libconfig tcp_bridge_oai lte-softmodem
+      ln -sf libtcp_bridge_oai.so liboai_device.so
+      cd ../..
+    } > $dlog/basic_simulator_enb.txt 2>&1
+    set -e
+    if [ -s $OPENAIR_DIR/cmake_targets/basic_simulator/enb/lte-softmodem          -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/enb/libcoding.so           -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/enb/libparams_libconfig.so -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/enb/libtcp_bridge_oai.so ] ; then
+      echo_success "eNB compiled"
+      check_warnings "$dlog/basic_simulator_enb.txt"
+    else
+      echo_error "eNB compilation failed"
+      exit 1
+    fi
+
+    # ue
+
+    echo_info "Compile conf2uedata"
+    cd $OPENAIR_DIR/cmake_targets/nas_sim_tools/build
+    eval $CMAKE_CMD
+    compilations \
+        nas_sim_tools conf2uedata \
+        conf2uedata $dbin/conf2uedata
+
+    cmake_file=$OPENAIR_DIR/cmake_targets/basic_simulator/ue/CMakeLists.txt
+    echo "cmake_minimum_required(VERSION 2.8)"        >  $cmake_file
+    echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
+    echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
+    echo "set ( RRC_ASN1_VERSION \"${REL}\")"         >>  $cmake_file
+    echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )"        >>  $cmake_file
+    echo "set ( XFORMS $XFORMS )"                     >>  $cmake_file
+    echo "set ( RF_BOARD \"OAI_USRP\")"               >>  $cmake_file
+    echo "set ( TRANSP_PRO \"None\")"                 >>  $cmake_file
+    echo "set(PACKAGE_NAME \"simulator_ue\")"         >>  $cmake_file
+    echo "set (DEADLINE_SCHEDULER \"False\" )"        >>  $cmake_file
+    echo "set (CPU_AFFINITY \"False\" )"              >>  $cmake_file
+    echo "set ( T_TRACER \"False\" )"                 >>  $cmake_file
+    echo "set (UE_AUTOTEST_TRACE $UE_AUTOTEST_TRACE)" >>  $cmake_file
+    echo "set (UE_DEBUG_TRACE $UE_DEBUG_TRACE)"       >>  $cmake_file
+    echo "set (UE_TIMING_TRACE $UE_TIMING_TRACE)"     >>  $cmake_file
+    echo "set (DISABLE_LOG_X $DISABLE_LOG_X)"         >>  $cmake_file
+    echo "set (USRP_REC_PLAY $USRP_REC_PLAY)"         >>  $cmake_file
+    echo "set (LINUX True )"                          >>  $cmake_file
+    echo "set (PDCP_USE_NETLINK True )"               >>  $cmake_file
+    echo "set (BASIC_SIMULATOR \"True\" )"            >>  $cmake_file
+    echo "set (UE_NAS_USE_TUN \"True\" )"             >>  $cmake_file
+    echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../../CMakeLists.txt)' >> $cmake_file
+
+    echo_info "Build UE"
+    echo_info "logs are in $dlog/basic_simulator_ue.txt"
+    set +e
+    {
+      cd $OPENAIR_DIR/cmake_targets/basic_simulator/ue
+      cmake .
+      make -j`nproc` coding params_libconfig tcp_bridge_oai lte-uesoftmodem
+      ln -sf libtcp_bridge_oai.so liboai_device.so
+      cd ../..
+    } > $dlog/basic_simulator_ue.txt 2>&1
+    set -e
+    if [ -s $OPENAIR_DIR/cmake_targets/basic_simulator/ue/lte-uesoftmodem -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/ue/libcoding.so -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/ue/libparams_libconfig.so -a \
+         -s $OPENAIR_DIR/cmake_targets/basic_simulator/ue/libtcp_bridge_oai.so ] ; then
+      echo_success "UE compiled"
+      check_warnings "$dlog/basic_simulator_ue.txt"
+    else
+      echo_error "UE compilation failed"
+      exit 1
+    fi
+
+    echo_info "Generate UE SIM data"
+    $OPENAIR_DIR/targets/bin/conf2uedata -c $OPENAIR_DIR/openair3/NAS/TOOLS/ue_eurecom_test_sfr.conf -o $OPENAIR_DIR/cmake_targets/basic_simulator/ue
+
+  fi
 }
 
 main "$@"

cmake_targets/lte-simulators/CMakeLists.txt

@@ -8,5 +8,5 @@ set(DEBUG_PHY False)
 set(MU_RECIEVER False)
 set(NAS_UE False)
 set(MESSAGE_CHART_GENERATOR False)
-
+set(RRC_ASN1_VERSION "Rel14")
 include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)

cmake_targets/tools/build_helper

@@ -95,6 +95,7 @@ get_distribution_release() {
 check_supported_distribution() {
     local distribution=$(get_distribution_release)
     case "$distribution" in
+        "ubuntu18.04") return 0 ;;
         "ubuntu17.10") return 0 ;;
         "ubuntu17.04") return 0 ;;
         "ubuntu16.04") return 0 ;;
@@ -267,7 +268,7 @@ check_install_usrp_uhd_driver(){
     if [[ "$OS_DISTRO" == "ubuntu" ]]; then
         #first we remove old installation
         $SUDO apt-get remove -y uhd || true
-        $SUDO apt-get remove libuhd-dev libuhd003 uhd-host -y
+        $SUDO apt-get remove libuhd-dev libuhd003 uhd-host -y || true
         v=$(lsb_release -cs)
         $SUDO apt-add-repository --remove "deb http://files.ettus.com/binaries/uhd/repo/uhd/ubuntu/$v $v main"
         #The new USRP repository
@@ -488,19 +489,24 @@ check_install_oai_software() {
     $SUDO apt install -y software-properties-common
     case "$(get_distribution_release)" in
         "ubuntu14.04")
-            specific_packages="libtasn1-3-dev gccxml libgnutls-dev libatlas-dev"
+            specific_packages="libtasn1-3-dev gccxml libgnutls-dev libatlas-dev iproute libconfig8-dev"
             # For iperf3
             $SUDO add-apt-repository "deb http://archive.ubuntu.com/ubuntu trusty-backports universe"
             $SUDO apt-get update
             ;;
         "ubuntu16.04")
-            specific_packages="libtasn1-6-dev gccxml libgnutls-dev libatlas-dev"
+            specific_packages="libtasn1-6-dev gccxml libgnutls-dev libatlas-dev iproute libconfig8-dev"
             ;;
         "ubuntu17.04")
-            specific_packages="libtasn1-6-dev castxml libgnutls28-dev libatlas-dev"
+            specific_packages="libtasn1-6-dev castxml libgnutls28-dev libatlas-dev iproute libconfig8-dev"
             ;;
         "ubuntu17.10")
-            specific_packages="libtasn1-6-dev castxml libgnutls28-dev"
+            specific_packages="libtasn1-6-dev castxml libgnutls28-dev iproute libconfig8-dev"
+            LAPACK_LIBNAME="liblapack.so-x86_64-linux-gnu"
+            LAPACK_TARGET="/usr/lib/x86_64-linux-gnu/atlas/liblapack.so"
+            ;;
+        "ubuntu18.04")
+            specific_packages="libtasn1-6-dev castxml libgnutls28-dev iproute2 libconfig-dev"
             LAPACK_LIBNAME="liblapack.so-x86_64-linux-gnu"
             LAPACK_TARGET="/usr/lib/x86_64-linux-gnu/atlas/liblapack.so"
             ;;
@@ -524,12 +530,10 @@ check_install_oai_software() {
 	gtkwave \
 	guile-2.0-dev  \
 	iperf \
-	iproute \
 	iptables \
 	iptables-dev \
 	libatlas-base-dev \
 	libblas-dev \
-	libconfig8-dev \
 	libffi-dev \
 	libforms-bin \
 	libforms-dev \

common/ran_context.h

@@ -35,11 +35,11 @@
 
 #include <pthread.h>
 #include "COMMON/platform_constants.h"
-#include "PHY/defs.h"
+#include "PHY/defs_eNB.h"
 #include "PHY/types.h"
 #include "PHY/impl_defs_top.h"
 #include "PHY/impl_defs_lte.h"
-#include "RRC/LITE/defs.h"
+#include "RRC/LTE/rrc_defs.h"
 #include "flexran_agent_defs.h"
 
 #include "gtpv1u.h"
@@ -49,7 +49,7 @@
 #include "gtpv1u_eNB_defs.h"
 
 #include "PHY/defs_L1_NB_IoT.h"
-#include "RRC/LITE/defs_NB_IoT.h"
+#include "RRC/LTE/defs_NB_IoT.h"
 typedef struct {
   /// RAN context config file name
   char *config_file_name;

common/utils/T/T.c

@@ -88,7 +88,7 @@ static void new_thread(void *(*f)(void *), void *data)
 
 /* defined in local_tracer.c */
 void T_local_tracer_main(int remote_port, int wait_for_tracer,
-    int local_socket);
+    int local_socket, char *shm_file);
 
 /* We monitor the tracee and the local tracer processes.
  * When one dies we forcefully kill the other.
@@ -113,6 +113,9 @@ void T_init(int remote_port, int wait_for_tracer, int dont_fork)
   int s;
   int T_shm_fd;
   int child1, child2;
+  char shm_file[128];
+
+  sprintf(shm_file, "/%s%d", T_SHM_FILENAME, getpid());
 
   if (socketpair(AF_UNIX, SOCK_STREAM, 0, socket_pair))
     { perror("socketpair"); abort(); }
@@ -122,7 +125,8 @@ void T_init(int remote_port, int wait_for_tracer, int dont_fork)
   child1 = fork(); if (child1 == -1) abort();
   if (child1 == 0) {
     close(socket_pair[1]);
-    T_local_tracer_main(remote_port, wait_for_tracer, socket_pair[0]);
+    T_local_tracer_main(remote_port, wait_for_tracer, socket_pair[0],
+                        shm_file);
     exit(0);
   }
   close(socket_pair[0]);
@@ -142,13 +146,13 @@ void T_init(int remote_port, int wait_for_tracer, int dont_fork)
   T_socket = s;
 
   /* setup shared memory */
-  T_shm_fd = shm_open(T_SHM_FILENAME, O_RDWR /*| O_SYNC*/, 0666);
-  shm_unlink(T_SHM_FILENAME);
-  if (T_shm_fd == -1) { perror(T_SHM_FILENAME); abort(); }
+  T_shm_fd = shm_open(shm_file, O_RDWR /*| O_SYNC*/, 0666);
+  shm_unlink(shm_file);
+  if (T_shm_fd == -1) { perror(shm_file); abort(); }
   T_cache = mmap(NULL, T_CACHE_SIZE * sizeof(T_cache_t),
                  PROT_READ | PROT_WRITE, MAP_SHARED, T_shm_fd, 0);
-  if (T_cache == NULL)
-    { perror(T_SHM_FILENAME); abort(); }
+  if (T_cache == MAP_FAILED)
+    { perror(shm_file); abort(); }
   close(T_shm_fd);
 
   new_thread(T_receive_thread, NULL);

common/utils/T/T.h

@@ -110,6 +110,16 @@ typedef struct {
 extern volatile int *T_freelist_head;
 extern T_cache_t *T_cache;
 
+/* When running the basic simulator, we may fill the T cache too fast.
+ * Let's not crash if it's full, just wait.
+ */
+#if BASIC_SIMULATOR
+#  define T_BASIC_SIMULATOR_WAIT \
+     while (T_cache[T_LOCAL_slot].busy) usleep(100)
+#else
+#  define T_BASIC_SIMULATOR_WAIT /* */
+#endif
+
 /* used at header of Tn, allocates buffer */
 #define T_LOCAL_DATA \
   char *T_LOCAL_buf; \
@@ -118,6 +128,7 @@ extern T_cache_t *T_cache;
   T_LOCAL_slot = __sync_fetch_and_add(T_freelist_head, 1) \
                  & (T_CACHE_SIZE - 1); \
   (void)__sync_fetch_and_and(T_freelist_head, T_CACHE_SIZE - 1); \
+  T_BASIC_SIMULATOR_WAIT; \
   if (T_cache[T_LOCAL_slot].busy) { \
     printf("%s:%d:%s: T cache is full - consider increasing its size\n", \
            __FILE__, __LINE__, __FUNCTION__); \

common/utils/T/T_defs.h

@@ -8,10 +8,20 @@
 #define T_MAX_ARGS 16
 
 /* maximum size of a message - increase if needed */
-#define T_BUFFER_MAX (1024*64)
+#if BASIC_SIMULATOR
+   /* let's have 100 RBs functional for the basic simulator */
+#  define T_BUFFER_MAX (1024*64*2)
+#else
+#  define T_BUFFER_MAX (1024*64)
+#endif
 
 /* size of the local cache for messages (must be pow(2,something)) */
-#define T_CACHE_SIZE (8192 * 2)
+#if BASIC_SIMULATOR
+   /* we don't need much space for the basic simulator */
+#  define T_CACHE_SIZE 1024
+#else
+#  define T_CACHE_SIZE (8192 * 2)
+#endif
 
 /* maximum number of bytes a message can contain */
 #ifdef T_SEND_TIME

common/utils/T/local_tracer.c

@@ -300,6 +300,20 @@ static void forward(void *_forwarder, char *buf, int size)
   if (f->tail != NULL) f->tail->next = new;
   f->tail = new;
 
+#if BASIC_SIMULATOR
+  /* When runnng the basic simulator, the tracer may be too slow.
+   * Let's not take too much memory in the tracee and
+   * wait if there is too much data to send. 200MB is
+   * arbitrary.
+   */
+  while (f->memusage > 200 * 1024 * 1024) {
+    if (pthread_cond_signal(&f->cond)) abort();
+    if (pthread_mutex_unlock(&f->lock)) abort();
+    usleep(1000);
+    if (pthread_mutex_lock(&f->lock)) abort();
+  }
+#endif /* BASIC_SIMULATOR */
+
   f->memusage += size+4;
   /* warn every 100MB */
   if (f->memusage > f->last_warning_memusage &&
@@ -326,17 +340,17 @@ static void wait_message(void)
   while (T_local_cache[T_busylist_head].busy == 0) usleep(1000);
 }
 
-static void init_shm(void)
+static void init_shm(char *shm_file)
 {
   int i;
-  int s = shm_open(T_SHM_FILENAME, O_RDWR | O_CREAT /*| O_SYNC*/, 0666);
-  if (s == -1) { perror(T_SHM_FILENAME); abort(); }
+  int s = shm_open(shm_file, O_RDWR | O_CREAT /*| O_SYNC*/, 0666);
+  if (s == -1) { perror(shm_file); abort(); }
   if (ftruncate(s, T_CACHE_SIZE * sizeof(T_cache_t)))
-    { perror(T_SHM_FILENAME); abort(); }
+    { perror(shm_file); abort(); }
   T_local_cache = mmap(NULL, T_CACHE_SIZE * sizeof(T_cache_t),
                        PROT_READ | PROT_WRITE, MAP_SHARED, s, 0);
-  if (T_local_cache == NULL)
-    { perror(T_SHM_FILENAME); abort(); }
+  if (T_local_cache == MAP_FAILED)
+    { perror(shm_file); abort(); }
   close(s);
 
   /* let's garbage the memory to catch some potential problems
@@ -347,7 +361,7 @@ static void init_shm(void)
 }
 
 void T_local_tracer_main(int remote_port, int wait_for_tracer,
-    int local_socket)
+    int local_socket, char *shm_file)
 {
   int s;
   int port = remote_port;
@@ -357,7 +371,7 @@ void T_local_tracer_main(int remote_port, int wait_for_tracer,
   /* write on a socket fails if the other end is closed and we get SIGPIPE */
   if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) abort();
 
-  init_shm();
+  init_shm(shm_file);
   s = local_socket;
 
   if (dont_wait) {

common/utils/T/tracer/enb.c

@@ -12,7 +12,6 @@
 #include "gui/gui.h"
 #include "filter/filter.h"
 #include "utils.h"
-#include "../T_defs.h"
 #include "event_selector.h"
 #include "openair_logo.h"
 #include "config.h"
@@ -875,6 +874,8 @@ int main(int n, char **v)
   if (pthread_mutex_init(&enb_data.lock, NULL)) abort();
   setup_event_selector(g, database, is_on, is_on_changed, &enb_data);
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
 restart:
   clear_remote_config();
   enb_data.socket = connect_to(ip, port);
@@ -884,9 +885,8 @@ restart:
 
   /* read messages */
   while (1) {
-    char v[T_BUFFER_MAX];
     event e;
-    e = get_event(enb_data.socket, v, database);
+    e = get_event(enb_data.socket, &ebuf, database);
     if (e.type == -1) goto restart;
     if (pthread_mutex_lock(&enb_data.lock)) abort();
     handle_event(h, e);

common/utils/T/tracer/event.c

@@ -6,7 +6,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-event get_event(int socket, char *event_buffer, void *database)
+event get_event(int socket, OBUF *event_buffer, void *database)
 {
 #ifdef T_SEND_TIME
   struct timespec t;
@@ -29,17 +29,23 @@ again:
 #endif
   if (fullread(socket, &type, sizeof(int)) == -1) goto read_error;
   length -= sizeof(int);
-  if (fullread(socket, event_buffer, length) == -1) goto read_error;
+  if (event_buffer->omaxsize < length) {
+    event_buffer->omaxsize = (length + 65535) & ~65535;
+    event_buffer->obuf = realloc(event_buffer->obuf, event_buffer->omaxsize);
+    if (event_buffer->obuf == NULL) { printf("out of memory\n"); exit(1); }
+  }
+  if (fullread(socket, event_buffer->obuf, length) == -1) goto read_error;
+  event_buffer->osize = length;
 
-  if (type == -1) append_received_config_chunk(event_buffer, length);
+  if (type == -1) append_received_config_chunk(event_buffer->obuf, length);
   if (type == -2) verify_config();
 
   if (type == -1 || type == -2) goto again;
 
 #ifdef T_SEND_TIME
-  return new_event(t, type, length, event_buffer, database);
+  return new_event(t, type, length, event_buffer->obuf, database);
 #else
-  return new_event(type, length, event_buffer, database);
+  return new_event(type, length, event_buffer->obuf, database);
 #endif
 
 read_error:

common/utils/T/tracer/event.h

 #ifndef _EVENT_H_
 #define _EVENT_H_
 
+#include "utils.h"
 #include "../T_defs.h"
 #ifdef T_SEND_TIME
 #include <time.h>
@@ -37,7 +38,7 @@ typedef struct {
   int ecount;
 } event;
 
-event get_event(int s, char *v, void *d);
+event get_event(int s, OBUF *v, void *d);
 
 #ifdef T_SEND_TIME
 event new_event(struct timespec sending_time, int type,

common/utils/T/tracer/extract.c

@@ -99,10 +99,11 @@ int main(int n, char **v)
 
   found = 0;
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   while (1) {
-    char v[T_BUFFER_MAX];
     event e;
-    e = get_event(fd, v, database);
+    e = get_event(fd, &ebuf, database);
     if (e.type == -1) break;
     if (e.type != input_event_id) continue;
     for (i = 0; i < filter_count; i++)

common/utils/T/tracer/extract_config.c

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "utils.h"
 #include "../T_defs.h"
 
 void usage(void)
@@ -35,14 +36,22 @@ int main(int n, char **v)
   in = fopen(input_filename, "r");
   if (in == NULL) { perror(input_filename); abort(); }
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   while (1) {
     int type;
     int32_t length;
-    char v[T_BUFFER_MAX];
+    char *v;
     int vpos = 0;
 
     /* read event from file */
     if (fread(&length, 4, 1, in) != 1) break;
+    if (ebuf.omaxsize < length) {
+      ebuf.omaxsize = (length + 65535) & ~65535;
+      ebuf.obuf = realloc(ebuf.obuf, ebuf.omaxsize);
+      if (ebuf.obuf == NULL) { printf("out of memory\n"); exit(1); }
+    }
+    v = ebuf.obuf;
     memcpy(v+vpos, &length, 4);
     vpos += 4;
 #ifdef T_SEND_TIME

common/utils/T/tracer/extract_input_subframe.c

@@ -104,11 +104,12 @@ err:
   fd = open(file, O_RDONLY);
   if (fd == -1) { perror(file); exit(1); }
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   /* get wanted frame/subframe */
   while (1) {
-    char v[T_BUFFER_MAX];
     event e;
-    e = get_event(fd, v, database);
+    e = get_event(fd, &ebuf, database);
     if (e.type == -1) break;
     if (e.type != input_event_id) continue;
     if (verbose)

common/utils/T/tracer/extract_output_subframe.c

@@ -100,10 +100,12 @@ err:
   int last_frame = -1;
   int last_subframe = -1;
   int subframe_written = 0;
+
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   while (1) {
-    char v[T_BUFFER_MAX];
     event e;
-    e = get_event(fd, v, database);
+    e = get_event(fd, &ebuf, database);
     if (e.type == -1) break;
     if (e.type != output_event_id) continue;
     if (verbose)

common/utils/T/tracer/hacks/dump_nack_signal.c

@@ -73,17 +73,22 @@ int main(int n, char **v)
       socket_send(socket, is_on, number_of_events * sizeof(int)) == -1)
     abort();
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   char dump[10][T_BUFFER_MAX];
   event dump_ev[10];
 FILE *z = fopen("/tmp/dd", "w"); if (z == NULL) abort();
   while (1) {
-    char v[T_BUFFER_MAX];
+    char *v;
     event e;
-    e = get_event(socket, v, database);
+    e = get_event(socket, &ebuf, database);
+    v = ebuf.obuf;
     if (e.type == -1) break;
     if (e.type == ev_input) {
       int sf = e.e[2].i;
-      memcpy(dump[sf], v, T_BUFFER_MAX);
+      if (ebuf.osize > T_BUFFER_MAX)
+        { printf("event size too big\n"); exit(1); }
+      memcpy(dump[sf], ebuf.obuf, ebuf.osize);
       dump_ev[sf] = e;
       printf("input %d/%d\n", e.e[1].i, sf);
 if (fwrite(dump_ev[sf].e[4].b, dump_ev[sf].e[4].bsize, 1, z) != 1) abort();

common/utils/T/tracer/hacks/time_meas.c

@@ -84,11 +84,12 @@ int main(int n, char **v)
       socket_send(socket, is_on, number_of_events * sizeof(int)) == -1)
     abort();
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   while (1) {
-    char v[T_BUFFER_MAX];
     event e;
     int on_off;
-    e = get_event(socket, v, database);
+    e = get_event(socket, &ebuf, database);
     if (e.type == -1) break;
     if (e.type != ev_fun)
       { printf("unhandled event %d\n", e.type); continue; }

common/utils/T/tracer/macpdu2wireshark.c

@@ -246,11 +246,12 @@ int main(int n, char **v)
 
   new_thread(receiver, &d);
 
+  OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
+
   /* read messages */
   while (1) {
-    char v[T_BUFFER_MAX];