Fix example build error if memory profiling enabled.

 * CI: build against libnDPI with `-DNDPI_NO_PKGCONFIG=ON` and `-DSTATIC_LIBNDPI_INSTALLDIR=/usr`
 * CI: `ENABLE_DBUS=ON` for most builds

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

4 files changed, 76 insertions, 13 deletions

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 789bb644d..96a3eb80d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,7 @@ jobs:
             ndpid_examples: "-DBUILD_EXAMPLES=ON"
             ndpid_gcrypt: "-DNDPI_WITH_GCRYPT=ON"
             ndpid_zlib: "-DENABLE_ZLIB=ON"
-            ndpid_extras: "-DNDPI_WITH_MAXMINDDB=ON -DNDPI_WITH_PCRE=ON"
+            ndpid_extras: "-DNDPI_WITH_MAXMINDDB=ON -DNDPI_WITH_PCRE=ON -DENABLE_MEMORY_PROFILING=ON"
             sanitizer: "-DENABLE_SANITIZER=OFF -DENABLE_SANITIZER_THREAD=OFF"
             coverage: "-DENABLE_COVERAGE=OFF"
             poll: "-DFORCE_POLL=OFF"
@@ -188,7 +188,7 @@ jobs:
         if: startsWith(matrix.os, 'ubuntu')
         run: |
           sudo apt-get update
-          sudo apt-get install autoconf automake cmake libtool pkg-config gettext libjson-c-dev flex bison libpcap-dev zlib1g-dev libcurl4-openssl-dev
+          sudo apt-get install autoconf automake cmake libtool pkg-config gettext libjson-c-dev flex bison libpcap-dev zlib1g-dev libcurl4-openssl-dev libdbus-1-dev
           sudo apt-get install ${{ matrix.compiler }} lcov iproute2
       - name: Install Ubuntu Prerequisites (libgcrypt)
         if: startsWith(matrix.os, 'ubuntu') && startsWith(matrix.ndpid_gcrypt, '-DNDPI_WITH_GCRYPT=ON')
@@ -210,7 +210,7 @@ jobs:
       - name: Configure nDPId
         run: |
           cmake -S . -B build -DCMAKE_C_COMPILER="$CMAKE_C_COMPILER" -DCMAKE_C_FLAGS="$CMAKE_C_FLAGS" -DCMAKE_MODULE_LINKER_FLAGS="$CMAKE_MODULE_LINKER_FLAGS" -DCMAKE_C_EXE_LINKER_FLAGS="$CMAKE_C_EXE_LINKER_FLAGS" \
-            -DENABLE_CURL=ON -DENABLE_SYSTEMD=ON \
+            -DENABLE_DBUS=ON -DENABLE_CURL=ON -DENABLE_SYSTEMD=ON \
             ${{ matrix.poll }} ${{ matrix.coverage }} ${{ matrix.sanitizer }} ${{ matrix.ndpi_build }} \
             ${{ matrix.ndpid_examples }} ${{ matrix.ndpid_zlib }} ${{ matrix.ndpid_gcrypt }} ${{ matrix.ndpid_extras }}
       - name: Build nDPId
@@ -291,11 +291,21 @@ jobs:
                 echo "Configure arguments: '$NDPI_CONFIGURE_ARGS'"
                 ./autogen.sh --prefix=/usr --with-only-libndpi $NDPI_CONFIGURE_ARGS CC="${{ matrix.compiler }}" CXX=false \
                     CFLAGS="$CMAKE_C_FLAGS" && make && sudo make install; cd ..; }
-          test $WGET_RET -ne 0 || { echo "::info file=CMakeLists.txt::Running CMake.."; \
+          test $WGET_RET -ne 0 || { echo "Running CMake.."; \
                 cmake -S .. -DCMAKE_C_COMPILER="$CMAKE_C_COMPILER" -DCMAKE_C_FLAGS="$CMAKE_C_FLAGS" \
                     -DCMAKE_C_EXE_LINKER_FLAGS="$CMAKE_C_EXE_LINKER_FLAGS" \
-                    -DBUILD_NDPI=OFF \
+                    -DBUILD_NDPI=OFF -DBUILD_EXAMPLES=ON \
+                    -DENABLE_DBUS=ON -DENABLE_CURL=ON -DENABLE_SYSTEMD=ON \
                     ${{ matrix.poll }} ${{ matrix.coverage }} \
                     ${{ matrix.sanitizer }} ${{ matrix.ndpid_examples }}; }
-          test $WGET_RET -ne 0 || { echo "::info file=CMakeLists.txt:Running Make.."; cmake --build . --verbose; }
+          test $WGET_RET -ne 0 || { echo "Running Make.."; cmake --build . --verbose; }
+          test $WGET_RET -ne 0 || { echo "Running CMake.."; \
+                cmake -S .. -DCMAKE_C_COMPILER="$CMAKE_C_COMPILER" -DCMAKE_C_FLAGS="$CMAKE_C_FLAGS" \
+                    -DCMAKE_C_EXE_LINKER_FLAGS="$CMAKE_C_EXE_LINKER_FLAGS" \
+                    -DBUILD_NDPI=OFF -DBUILD_EXAMPLES=ON \
+                    -DENABLE_DBUS=ON -DENABLE_CURL=ON -DENABLE_SYSTEMD=ON \
+                    -DNDPI_NO_PKGCONFIG=ON -DSTATIC_LIBNDPI_INSTALLDIR=/usr \
+                    ${{ matrix.poll }} ${{ matrix.coverage }} ${{ matrix.ndpid_gcrypt }} \
+                    ${{ matrix.sanitizer }} ${{ matrix.ndpid_examples }}; }
+          test $WGET_RET -ne 0 || { echo "Running Make.."; cmake --build . --verbose; }
           test $WGET_RET -eq 0 -o $WGET_RET -eq 8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8875fe34..1039b05c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,8 +81,10 @@ option(ENABLE_MEMORY_PROFILING "Enable dynamic memory tracking." OFF)
 option(ENABLE_ZLIB "Enable zlib support for nDPId (experimental)." OFF)
 option(ENABLE_SYSTEMD "Install systemd components." OFF)
 option(BUILD_EXAMPLES "Build C examples." ON)
+if(BUILD_EXAMPLES)
 option(ENABLE_DBUS "Build DBus notification example." OFF)
 option(ENABLE_CURL "Build influxdb data write example." OFF)
+endif()
 option(BUILD_NDPI "Clone and build nDPI from github." OFF)
 if(BUILD_NDPI)
     option(BUILD_NDPI_FORCE_GIT_UPDATE "Forcefully instruments nDPI build script to update the git submodule." OFF)
@@ -174,11 +176,13 @@ if(ENABLE_ZLIB)
     set(ZLIB_DEFS "-DENABLE_ZLIB=1")
     pkg_check_modules(ZLIB REQUIRED zlib)
 endif()
-if(ENABLE_DBUS)
-    pkg_check_modules(DBUS REQUIRED dbus-1)
-endif()
-if(ENABLE_CURL)
-    pkg_check_modules(CURL REQUIRED libcurl)
+if(BUILD_EXAMPLES)
+    if(ENABLE_DBUS)
+        pkg_check_modules(DBUS REQUIRED dbus-1)
+    endif()
+    if(ENABLE_CURL)
+        pkg_check_modules(CURL REQUIRED libcurl)
+    endif()
 endif()
 if(NDPI_WITH_GCRYPT)
     message(STATUS "nDPI: Enable GCRYPT")
@@ -290,13 +294,13 @@ if(STATIC_LIBNDPI_INSTALLDIR OR BUILD_NDPI)
     add_definitions("-DLIBNDPI_STATIC=1")
     set(STATIC_LIBNDPI_INC "${STATIC_LIBNDPI_INSTALLDIR}/include/ndpi")
     if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-        if(EXISTS "${STATIC_LIBNDPI_INSTALLDIR}/lib64")
+        if(EXISTS "${STATIC_LIBNDPI_INSTALLDIR}/lib64/libndpi.a")
             set(STATIC_LIBNDPI_LIB "${STATIC_LIBNDPI_INSTALLDIR}/lib64/libndpi.a")
         else()
             set(STATIC_LIBNDPI_LIB "${STATIC_LIBNDPI_INSTALLDIR}/lib/libndpi.a")
         endif()
     else()
-        if(EXISTS "${STATIC_LIBNDPI_INSTALLDIR}/lib32")
+        if(EXISTS "${STATIC_LIBNDPI_INSTALLDIR}/lib32/libndpi.a")
             set(STATIC_LIBNDPI_LIB "${STATIC_LIBNDPI_INSTALLDIR}/lib32/libndpi.a")
         else()
             set(STATIC_LIBNDPI_LIB "${STATIC_LIBNDPI_INSTALLDIR}/lib/libndpi.a")
@@ -483,8 +487,11 @@ if(STATIC_LIBNDPI_INSTALLDIR)
 message(STATUS "STATIC_LIBNDPI_INSTALLDIR: ${STATIC_LIBNDPI_INSTALLDIR}")
 endif()
 message(STATUS "BUILD_NDPI...............: ${BUILD_NDPI}")
+message(STATUS "BUILD_EXAMPLES...........: ${BUILD_EXAMPLES}")
+if(BUILD_EXAMPLES)
 message(STATUS "ENABLE_DBUS..............: ${ENABLE_DBUS}")
 message(STATUS "ENABLE_CURL..............: ${ENABLE_CURL}")
+endif()
 if(BUILD_NDPI)
 message(STATUS "NDPI_ADDITIONAL_ARGS.....: ${NDPI_ADDITIONAL_ARGS}")
 endif()
diff --git a/examples/c-influxd/c-influxd.c b/examples/c-influxd/c-influxd.c
index c58c36ae3..6477480f6 100644
--- a/examples/c-influxd/c-influxd.c
+++ b/examples/c-influxd/c-influxd.c
@@ -350,6 +350,29 @@ static struct global_map const severity_map[] = {{"Low", INFLUXD_STATS_GAUGE_PTR
                                                  {"Emergency", INFLUXD_STATS_GAUGE_PTR(flow_severity_emergency)},
                                                  {NULL, INFLUXD_STATS_GAUGE_PTR(flow_severity_unknown)}};
 
+#ifdef ENABLE_MEMORY_PROFILING
+void nDPIsrvd_memprof_log_alloc(size_t alloc_size)
+{
+    (void)alloc_size;
+}
+
+void nDPIsrvd_memprof_log_free(size_t free_size)
+{
+    (void)free_size;
+}
+
+void nDPIsrvd_memprof_log(char const * const format, ...)
+{
+    va_list ap;
+
+    va_start(ap, format);
+    fprintf(stderr, "%s", "nDPIsrvd MemoryProfiler: ");
+    vfprintf(stderr, format, ap);
+    fprintf(stderr, "%s\n", "");
+    va_end(ap);
+}
+#endif
+
 #define INFLUXDB_FORMAT() "%s=%llu,"
 #define INFLUXDB_FORMAT_END() "%s=%llu\n"
 #define INFLUXDB_VALUE_COUNTER(value) #value, (unsigned long long int)influxd_statistics.counters.value
diff --git a/examples/c-notifyd/c-notifyd.c b/examples/c-notifyd/c-notifyd.c
index 130d22fa1..eb14c6377 100644
--- a/examples/c-notifyd/c-notifyd.c
+++ b/examples/c-notifyd/c-notifyd.c
@@ -75,6 +75,29 @@ static int main_thread_shutdown = 0;
 static char * pidfile = NULL;
 static char * serv_optarg = NULL;
 
+#ifdef ENABLE_MEMORY_PROFILING
+void nDPIsrvd_memprof_log_alloc(size_t alloc_size)
+{
+    (void)alloc_size;
+}
+
+void nDPIsrvd_memprof_log_free(size_t free_size)
+{
+    (void)free_size;
+}
+
+void nDPIsrvd_memprof_log(char const * const format, ...)
+{
+    va_list ap;
+
+    va_start(ap, format);
+    fprintf(stderr, "%s", "nDPIsrvd MemoryProfiler: ");
+    vfprintf(stderr, format, ap);
+    fprintf(stderr, "%s\n", "");
+    va_end(ap);
+}
+#endif
+
 static void send_to_dbus(char const * const icon,
                          char const * const urgency,
                          enum dbus_level level,