enable_libappmonitor=no
])
+AC_ARG_ENABLE([servicediscovery],
+ [AS_HELP_STRING([--enable-servicediscovery],
+ [Build the Service Discovery Plugin.])],
+ [
+ enable_servicediscovery=$enableval
+ ],
+ [
+ enable_servicediscovery=no
+ ])
+
#
# Check for glib 2.34.0 or greater.
#
AM_CONDITIONAL(ENABLE_RESOLUTIONKMS, test "x$enable_resolutionkms" = "xyes")
AM_CONDITIONAL(VGAUTH_USE_CXX, test "$with_icu" = "yes" -o "$use_xmlsec1" != "yes")
AM_CONDITIONAL(ENABLE_LIBAPPMONITOR, test "$enable_libappmonitor" = "yes")
+AM_CONDITIONAL(ENABLE_SDMP, test "$enable_servicediscovery" = "yes")
if test "$have_xsm" != "yes"; then
AC_DEFINE([NO_XSM], 1, [])
services/vmtoolsd/Makefile \
services/plugins/Makefile \
services/plugins/appInfo/Makefile \
+ services/plugins/serviceDiscovery/Makefile \
services/plugins/desktopEvents/Makefile \
services/plugins/dndcp/Makefile \
services/plugins/guestInfo/Makefile \
if LINUX
SUBDIRS += appInfo
endif
+if ENABLE_SDMP
+ SUBDIRS += serviceDiscovery
+endif
if HAVE_X11
SUBDIRS += desktopEvents
endif
--- /dev/null
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+That's all there is to it!
--- /dev/null
+################################################################################
+### Copyright (C) 2020 VMware, Inc. All rights reserved.
+###
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of version 2 of the GNU General Public License as
+### published by the Free Software Foundation.
+###
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+###
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software
+### Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+################################################################################
+
+SUBDIRS =
+
+plugindir = @VMSVC_PLUGIN_INSTALLDIR@
+plugin_LTLIBRARIES = libserviceDiscovery.la
+
+libserviceDiscovery_la_CPPFLAGS =
+libserviceDiscovery_la_CPPFLAGS += @PLUGIN_CPPFLAGS@
+libserviceDiscovery_la_CPPFLAGS += -DVMTOOLS_SERVICE_DISCOVERY_SCRIPTS=\"$(pkglibdir)/serviceDiscovery/scripts\"
+
+libserviceDiscovery_la_LDFLAGS =
+libserviceDiscovery_la_LDFLAGS += @PLUGIN_LDFLAGS@
+
+libserviceDiscovery_la_LIBADD =
+libserviceDiscovery_la_LIBADD += @VMTOOLS_LIBS@
+libserviceDiscovery_la_LIBADD += @GOBJECT_LIBS@
+
+libserviceDiscovery_la_SOURCES =
+libserviceDiscovery_la_SOURCES += serviceDiscovery.c
+libserviceDiscovery_la_SOURCES += serviceDiscoveryPosix.c
+libserviceDiscovery_la_SOURCES += serviceDiscovery.h
+
+install-data-local:
+ $(INSTALL) -d $(DESTDIR)/$(libdir)/open-vm-tools/serviceDiscovery/scripts/
+ $(INSTALL) -m 755 $(srcdir)/get-connection-info.sh $(DESTDIR)/$(libdir)/open-vm-tools/serviceDiscovery/scripts/
+ $(INSTALL) -m 755 $(srcdir)/get-listening-process-info.sh $(DESTDIR)/$(libdir)/open-vm-tools/serviceDiscovery/scripts/
+ $(INSTALL) -m 755 $(srcdir)/get-listening-process-perf-metrics.sh $(DESTDIR)/$(libdir)/open-vm-tools/serviceDiscovery/scripts/
+ $(INSTALL) -m 755 $(srcdir)/get-versions.sh $(DESTDIR)/$(libdir)/open-vm-tools/serviceDiscovery/scripts/
+
+
--- /dev/null
+#!/bin/sh
+
+# check if necesary commands exist
+command -v netstat >/dev/null 2>&1 || { echo >&2 "netstat doesn't exist"; exit 1; }
+command -v grep >/dev/null 2>&1 || { echo >&2 "grep doesn't exist"; exit 1; }
+command -v sort >/dev/null 2>&1 || { echo >&2 "sort doesn't exist"; exit 1; }
+command -v tr >/dev/null 2>&1 || { echo >&2 "tr doesn't exist"; exit 1; }
+
+# get pids of listening processes
+space_separated_pids=$(netstat -lntup | grep -Eo "[0-9]+/" | sort -u)
+
+# grep pattern
+pattern=$(echo $space_separated_pids | tr ' ' '|')
+
+# get matching lines
+netstat -antup | grep -E $pattern
--- /dev/null
+#!/bin/sh
+
+# check if necesary commands exist
+command -v netstat >/dev/null 2>&1 || { echo >&2 "netstat doesn't exist"; exit 1; }
+command -v grep >/dev/null 2>&1 || { echo >&2 "grep doesn't exist"; exit 1; }
+command -v sort >/dev/null 2>&1 || { echo >&2 "sort doesn't exist"; exit 1; }
+command -v tr >/dev/null 2>&1 || { echo >&2 "tr doesn't exist"; exit 1; }
+command -v ps >/dev/null 2>&1 || { echo >&2 "ps doesn't exist"; exit 1; }
+
+# get pids of listening processes
+space_separated_pids=$(netstat -lntup | grep -Eo "[0-9]+/" | grep -Eo "[0-9]*" | sort -u)
+
+# ps accepts comma separated pids
+comma_separated_pids=$(echo $space_separated_pids | tr ' ' ',')
+
+# get information for each listening process
+ps --pid $comma_separated_pids -o pid=,ppid=,comm=,command=
--- /dev/null
+#!/bin/sh
+
+# check if necesary commands exist
+command -v netstat >/dev/null 2>&1 || { echo >&2 "netstat doesn't exist"; exit 1; }
+command -v grep >/dev/null 2>&1 || { echo >&2 "grep doesn't exist"; exit 1; }
+command -v sort >/dev/null 2>&1 || { echo >&2 "sort doesn't exist"; exit 1; }
+command -v awk >/dev/null 2>&1 || { echo >&2 "awk doesn't exist"; exit 1; }
+command -v cat >/dev/null 2>&1 || { echo >&2 "cat doesn't exist"; exit 1; }
+command -v cut >/dev/null 2>&1 || { echo >&2 "cut doesn't exist"; exit 1; }
+command -v pgrep >/dev/null 2>&1 || { echo >&2 "pgrep doesn't exist"; exit 1; }
+command -v getconf >/dev/null 2>&1 || { echo >&2 "getconf doesn't exist"; exit 1; }
+
+ECHO="$(which echo)"
+
+if [ "$ECHO" = "" ]; then
+ ECHO=echo
+fi
+
+calculateCpuTimeForProcess() {
+ pidArray="$@"
+ cpuUsage=0
+ for i in $pidArray; do
+ pidStatArray=$(cat /proc/$i/stat)
+ uptimes=$(cat /proc/uptime)
+ uptime=$($ECHO ${uptimes} | cut -d' ' -f1)
+ utime=$($ECHO ${pidStatArray} | cut -d' ' -f14)
+ stime=$($ECHO ${pidStatArray} | cut -d' ' -f15)
+ cutime=$($ECHO ${pidStatArray} | cut -d' ' -f16)
+ cstime=$($ECHO ${pidStatArray} | cut -d' ' -f17)
+ starttime=$($ECHO ${pidStatArray} | cut -d' ' -f22)
+ pidCPU=$($ECHO - | awk -v ut=$utime -v st=$stime -v cut=$cutime -v cst=$cstime -v start=$starttime -v clk=$CLK_TCK -v up=$uptime '{print (ut+st+cut+cst)}')
+ cpuUsage=$($ECHO - | awk -v ti=$timeout -v clk=$CLK_TCK -v cpu=$cpuUsage -v pcpu=$pidCPU -v ccpu=$PROC_COUNT '{print (((cpu+pcpu)/(ti*clk)*100)/ccpu)}')
+ done
+ $ECHO $cpuUsage
+}
+
+calculateMemForAllProcesses() {
+ pids=$@
+ for k in $pids; do
+ pidArray="$k $(pgrep -P $k)"
+ length=$($ECHO -n $pidArray | wc -w)
+ PGPID=$k
+ if [ $length -eq 1 ]; then
+ memUsage=$(awk '/^Pss:/{A+=$2} END {print A}' $(for n in $($ECHO "$PGPID" | awk '{if (NR > 1 || $n!="") print "/proc/"$n"/smaps"}'); do $ECHO $n ; done) || exit 1)
+ else
+ memUsage=$(awk '/^Pss:/{A+=$2} END {print A}' $(for n in $($ECHO -e "\n$PGPID\n$(pgrep -P$PGPID)" | awk '{if (NR > 1 || $n !="") print "/proc/"$n"/smaps"}'); do $ECHO $n ; done) || exit 1)
+ fi
+ $ECHO MEM: $k $memUsage
+ done
+}
+
+calculateIOForAllProcesses() {
+ pids=$@
+ for l in $pids; do
+ pidArray="$l $(pgrep -P $l)"
+ length=$($ECHO -n $pidArray | wc -w)
+ PGPID=$l
+ if [ $length -eq 1 ]; then
+ readBytes=$(awk '/^read_bytes:/{A+=$2} END {print A}' $(for n in $($ECHO "$PGPID" | awk '{if (NR > 1 || $n!="") print "/proc/"$n"/io"}'); do $ECHO "$n" ; done) || exit 1)
+ writeBytes=$(awk '/^write_bytes:/{A+=$2} END {print A}' $(for m in $($ECHO "$PGPID" | awk '{if (NR > 1 || $m!="") print "/proc/"$m"/io"}'); do $ECHO "$m" ; done) || exit 1)
+ else
+ readBytes=$(awk '/^read_bytes:/{A+=$2} END {print A}' $(for n in $($ECHO -e "\n$PGPID\n$(pgrep -P$PGPID)" | awk '{if (NR > 1 || $n !="") print "/proc/"$n"/io"}'); do $ECHO $n ; done) || exit 1)
+ writeBytes=$(awk '/^write_bytes:/{A+=$2} END {print A}' $(for m in $($ECHO -e "\n$PGPID\n$(pgrep -P$PGPID)" | awk '{if (NR > 1 || $m !="") print "/proc/"$m"/io"}'); do $ECHO $m ; done) || exit 1)
+ fi
+ $ECHO IO: $l $readBytes $writeBytes
+ done
+}
+
+calculateCpuForAllProcesses() {
+ pids=$@
+ for j in $pids; do
+ pidArray="$j $(pgrep -P $j)"
+ cpuUsage=$(calculateCpuTimeForProcess $pidArray)
+ $ECHO CPU: $j $cpuUsage
+ done
+}
+
+run() {
+ calculateCpuForAllProcesses $@
+
+ calculateIOForAllProcesses $@
+
+ sleep $timeout
+
+ # need to get CPU and IO for two different timestamps to calculate delta
+ calculateCpuForAllProcesses $@
+
+ calculateIOForAllProcesses $@
+
+ calculateMemForAllProcesses $@
+}
+
+get_performance_metrics() {
+ if [ $# -lt 1 ]; then
+ echo "No process id has been provided."
+ exit 1
+ fi
+
+ pids=$@
+ echo "#PIDs: - $pids"
+
+ timeout=1
+ CLK_TCK=$(getconf CLK_TCK)
+ [ -z "$CLK_TCK" ] && { echo "Failed to get conf variable CLK_TCK"; exit 1; }
+ PROC_COUNT=$(getconf _NPROCESSORS_ONLN)
+ [ -z "$PROC_COUNT" ] && { echo "Failed to get conf variable _NPROCESSORS_ONLN"; exit 1; }
+
+ run $pids
+}
+
+space_separated_pids=$(netstat -lntup | grep -Eo "[0-9]+/" | grep -Eo "[0-9]+" | sort -u)
+
+get_performance_metrics $space_separated_pids
\ No newline at end of file
--- /dev/null
+#!/bin/sh
+
+# check if necesary commands exist
+command -v netstat >/dev/null 2>&1 || { echo >&2 "netstat doesn't exist"; exit 1; }
+command -v grep >/dev/null 2>&1 || { echo >&2 "grep doesn't exist"; exit 1; }
+command -v sort >/dev/null 2>&1 || { echo >&2 "sort doesn't exist"; exit 1; }
+command -v ps >/dev/null 2>&1 || { echo >&2 "ps doesn't exist"; exit 1; }
+
+space_separated_pids=$(netstat -lntup | grep -Eo "[0-9]+/" | grep -Eo "[0-9]*" | sort -u)
+
+get_command_line() {
+ ps --pid $1 -o command
+}
+
+get_version() {
+ PATTERN=$1
+ VERSION_OPTION=$2
+ for p in $space_separated_pids
+ do
+ COMMAND=$(get_command_line $p | grep -Eo "$PATTERN")
+ [ ! -z "$COMMAND" ] && echo VERSIONSTART "$p" "$($COMMAND $VERSION_OPTION 2>&1)" VERSIONEND
+ done
+}
+
+get_vcops_version() {
+ cat $ALIVE_BASE/user/conf/lastbuildversion.txt 2>/dev/null
+}
+
+get_srm_mgt_server_version() {
+ grep -oE "<version>.*</version>" /opt/vmware/etc/appliance-manifest.xml 2>/dev/null
+}
+
+get_vcenter_appliance_version() {
+ $(which vpxd 2>/dev/null) -v 2>/dev/null
+}
+
+get_vcloud_director_version() {
+ PATTERN="\-DVCLOUD_HOME=\S+"
+ for p in $space_separated_pids
+ do
+ VCLOUD_HOME=$(get_command_line $p | grep -Eo "$PATTERN" | cut -d'=' -f2)
+ [ ! -z "$VCLOUD_HOME" ] && echo VERSIONSTART "$p" "$(grep product.version ${VCLOUD_HOME}/etc/global.properties 2>/dev/null | cut -d'=' -f2 2>/dev/null)" VERSIONEND
+ done
+}
+
+get_weblogic_version() {
+ PATTERN="java\.security\.policy=.+/server/lib/weblogic\.policy"
+ for p in $space_separated_pids
+ do
+ WEBLOGIC_HOME=$(get_command_line $p | grep -Eo "$PATTERN" | cut -d'=' -f2)
+ WEBLOGIC_HOME="${WEBLOGIC_HOME%%/server/lib/weblogic.policy*}"
+ [ ! -z "$WEBLOGIC_HOME" ] && echo VERSIONSTART "$p" "$(java -cp ${WEBLOGIC_HOME}/server/lib/weblogic.jar weblogic.version 2>/dev/null)" VERSIONEND
+ done
+}
+
+get_apache_tomcat_version() {
+ PATTERN="/\S*tomcat\S*/bin/bootstrap\.jar.*\s+org\.apache\.catalina\.startup\.Bootstrap"
+ for p in $space_separated_pids
+ do
+ TOMCAT_HOME=$(get_command_line $p | grep -Eo "$PATTERN")
+ TOMCAT_HOME="${TOMCAT_HOME%%/bin/bootstrap.jar*}"
+ [ ! -z "$TOMCAT_HOME" ] && echo VERSIONSTART "$p" "$(java -cp ${TOMCAT_HOME}/lib/catalina.jar org.apache.catalina.util.ServerInfo 2>/dev/null)" VERSIONEND
+ done
+}
+
+get_jboss_version() {
+ PATTERN="jboss.home.dir=\S+"
+ for p in $space_separated_pids
+ do
+ JBOSS_HOME=$(get_command_line $p | grep -Eo "$PATTERN" | cut -d'=' -f2)
+ [ ! -z "$JBOSS_HOME" ] && echo VERSIONSTART "$p" "$(${JBOSS_HOME}/bin/standalone.sh --version 2>/dev/null)" VERSIONEND
+ done
+}
+
+get_db2_version() {
+ db2level 2>/dev/null | grep "DB2 v"
+}
+
+echo VERSIONSTART "vcops_version" "$(get_vcops_version)" VERSIONEND
+echo VERSIONSTART "srm_mgt_server_version" "$(get_srm_mgt_server_version)" VERSIONEND
+echo VERSIONSTART "vcenter_appliance_version" "$(get_vcenter_appliance_version)" VERSIONEND
+echo VERSIONSTART "db2_version" "$(get_db2_version)" VERSIONEND
+
+get_version "/\S+/(httpd-prefork|httpd|httpd2-prefork)($|\s)" -v
+get_version "/usr/(bin|sbin)/apache\S*" -v
+get_version "/\S+/mysqld($|\s)" -V
+get_version "\.?/\S*nginx($|\s)" -v
+get_version "/\S+/srm/bin/vmware-dr($|\s)" --version
+get_version "/\S+/dataserver($|\s)" -v
+
+get_vcloud_director_version
+get_weblogic_version
+get_apache_tomcat_version
+get_jboss_version
\ No newline at end of file
--- /dev/null
+/*********************************************************
+ * Copyright (C) 2020 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *********************************************************/
+
+/*
+ * serviceDiscovery.c --
+ *
+ * Captures the information about services inside the guest
+ * and writes it to Namespace DB.
+ */
+
+#include <string.h>
+
+#include "serviceDiscovery.h"
+#include "vmware.h"
+#include "conf.h"
+#include "dynbuf.h"
+#include "escape.h"
+#include "str.h"
+#include "util.h"
+#include "vm_atomic.h"
+#include "vmcheck.h"
+#include "vmware/tools/log.h"
+#include "vmware/tools/threadPool.h"
+#include "vmware/tools/utils.h"
+
+#include "vmware/tools/guestrpc.h"
+
+#if !defined(__APPLE__)
+#include "vm_version.h"
+#include "embed_version.h"
+#include "vmtoolsd_version.h"
+VM_EMBED_VERSION(VMTOOLSD_VERSION_STRING);
+#endif
+
+#define NSDB_PRIV_GET_VALUES_CMD "namespace-priv-get-values"
+#define NSDB_PRIV_SET_KEYS_CMD "namespace-priv-set-keys"
+
+/*
+ * Namespace DB used for service discovery
+ */
+#define SERVICE_DISCOVERY_NAMESPACE_DB_NAME "com.vmware.vrops.sdmp"
+
+/*
+ * ready - used to identify if data is succesfully written to Namespace DB
+ * signal - signal send by sdmp client for plugin to start data collection
+ */
+#define SERVICE_DISCOVERY_KEY_NAME_READY "ready"
+#define SERVICE_DISCOVERY_KEY_NAME_SIGNAL "signal"
+
+#if defined (_WIN32)
+
+/*
+ * keys for types of service data collected by plugin from Windows guest
+ */
+#define WIN_KEY_NAME_PROCESSES "listening-process-info"
+#define WIN_KEY_NAME_CONNECTIONS "connection-info"
+#define WIN_KEY_NAME_PERFORMANCE_METRICS "listening-process-perf-metrics"
+#define WIN_KEY_NAME_VERSIONS "versions"
+#define WIN_KEY_NAME_RELATIONSHIP "pid-to-ppid"
+#define WIN_KEY_NAME_NET "net"
+#define WIN_KEY_NAME_IIS_PORTS "iis-ports-info"
+
+/*
+ * scripts used by plugin to collect from Windows guest
+ */
+#define WIN_SCRIPT_NAME_PROCESSES "get-listening-process-info.bat"
+#define WIN_SCRIPT_NAME_CONNECTIONS "get-connection-info.bat"
+#define WIN_SCRIPT_NAME_PERFORMANCE_METRICS "get-performance-metrics.bat"
+#define WIN_SCRIPT_NAME_VERSIONS "get-versions.bat"
+#define WIN_SCRIPT_NAME_RELATIONSHIP "get-parent-child-rels.bat"
+#define WIN_SCRIPT_NAME_NET "net-share.bat"
+#define WIN_SCRIPT_NAME_IIS_PORTS "get-iis-ports-info.bat"
+
+#else
+
+/*
+ * keys for types of service data collected by plugin from Linux guest
+ */
+#define LIN_KEY_NAME_PROCESSES "listening-process-info"
+#define LIN_KEY_NAME_CONNECTIONS "connection-info"
+#define LIN_KEY_NAME_PERFORMANCE_METRICS "listening-process-perf-metrics"
+#define LIN_KEY_NAME_VERSIONS "versions"
+
+/*
+ * scripts used by plugin to collect from Linux guest
+ */
+#define LIN_SCRIPT_NAME_PROCESSES "get-listening-process-info.sh"
+#define LIN_SCRIPT_NAME_CONNECTIONS "get-connection-info.sh"
+#define LIN_SCRIPT_NAME_PERFORMANCE_METRICS "get-listening-process-perf-metrics.sh"
+#define LIN_SCRIPT_NAME_VERSIONS "get-versions.sh"
+
+#endif
+
+/*
+ * Default value for CONFNAME_SERVICE_DISCOVERY_DISABLED setting in
+ * tools configuration file.
+ */
+#define SERVICE_DISCOVERY_CONF_DEFAULT_DISABLED_VALUE FALSE
+
+/*
+ * Polling interval of service discovery plugin in milliseconds
+ */
+#define SERVICE_DISCOVERY_POLL_INTERVAL 300000
+
+/*
+ * Time shift for comparision of time read from the signal and
+ * current system time in milliseconds.
+ */
+#define SERVICE_DISCOVERY_WRITE_DELTA 60000
+
+
+typedef struct {
+ gchar *keyName;
+ gchar *val;
+} KeyNameValue;
+
+#if defined(_WIN32)
+static KeyNameValue gKeyScripts[] = {
+ { WIN_KEY_NAME_PROCESSES, WIN_SCRIPT_NAME_PROCESSES },
+ { WIN_KEY_NAME_CONNECTIONS, WIN_SCRIPT_NAME_CONNECTIONS },
+ { WIN_KEY_NAME_PERFORMANCE_METRICS, WIN_SCRIPT_NAME_PERFORMANCE_METRICS },
+ { WIN_KEY_NAME_VERSIONS, WIN_SCRIPT_NAME_VERSIONS },
+ { WIN_KEY_NAME_RELATIONSHIP, WIN_SCRIPT_NAME_RELATIONSHIP },
+ { WIN_KEY_NAME_IIS_PORTS, WIN_SCRIPT_NAME_IIS_PORTS },
+ { WIN_KEY_NAME_NET, WIN_SCRIPT_NAME_NET },
+};
+#else
+static KeyNameValue gKeyScripts[] = {
+ { LIN_KEY_NAME_PROCESSES, LIN_SCRIPT_NAME_PROCESSES },
+ { LIN_KEY_NAME_CONNECTIONS, LIN_SCRIPT_NAME_CONNECTIONS },
+ { LIN_KEY_NAME_PERFORMANCE_METRICS, LIN_SCRIPT_NAME_PERFORMANCE_METRICS },
+ { LIN_KEY_NAME_VERSIONS, LIN_SCRIPT_NAME_VERSIONS },
+};
+#endif
+
+static GSource *gServiceDiscoveryTimeoutSource = NULL;
+static gint64 gLastWriteTime = 0;
+
+static GArray *gFullPaths = NULL;
+static volatile Bool gTaskSubmitted = FALSE;
+
+
+/*
+*****************************************************************************
+* GetGuestTimeInMillis --
+*
+* Get system current time in millis.
+*
+* @retval time in millis.
+*
+*****************************************************************************
+*/
+
+static gint64
+GetGuestTimeInMillis(void)
+{
+ return g_get_real_time() / 1000;
+}
+
+
+/*
+ *****************************************************************************
+ * WriteData --
+ *
+ * Sends key-value update request to the Namespace DB.
+ *
+ * @param[in] ctx Application context.
+ * @param[in] key Key sent to the Namespace DB
+ * @param[in] value Service data sent to the Namespace DB
+ * @param[in] len Service data len
+ *
+ * @retval TRUE Namespace DB write over RPC succeeded.
+ * @retval FALSE Namespace DB write over RPC failed.
+ *
+ *****************************************************************************
+ */
+
+Bool
+WriteData(ToolsAppCtx *ctx,
+ const char *key,
+ const char *data,
+ const size_t len)
+{
+ Bool status = FALSE;
+ DynBuf buf;
+ gchar *timeStamp = NULL;
+
+ if (data != NULL) {
+ timeStamp = g_strdup_printf("%" G_GINT64_FORMAT, gLastWriteTime);
+ }
+
+ DynBuf_Init(&buf);
+
+ /*
+ * Format is:
+ *
+ * namespace-set-keys <namespace>\0<numOps>\0<op>\0<key>\0<value>\0<oldVal>
+ *
+ * We have just a single op, and want to always set the value, clobbering
+ * anything already there.
+ */
+ if (!DynBuf_Append(&buf, NSDB_PRIV_SET_KEYS_CMD,
+ strlen(NSDB_PRIV_SET_KEYS_CMD)) ||
+ !DynBuf_Append(&buf, " ", 1) ||
+ !DynBuf_AppendString(&buf, SERVICE_DISCOVERY_NAMESPACE_DB_NAME) ||
+ !DynBuf_AppendString(&buf, "1") || // numOps
+ !DynBuf_AppendString(&buf, "0") || // op 0 == setAlways
+ !DynBuf_AppendString(&buf, key)) {
+ g_warning("%s: Could not construct buffer header\n", __FUNCTION__);
+ goto out;
+ }
+
+ if (data != NULL) {
+ if (!DynBuf_Append(&buf, timeStamp, strlen(timeStamp)) ||
+ !DynBuf_Append(&buf, ",", 1) ||
+ !DynBuf_Append(&buf, data, len) ||
+ !DynBuf_Append(&buf, "", 1)) {
+ g_warning("%s: Could not construct write buffer\n", __FUNCTION__);
+ goto out;
+ }
+ } else {
+ if (!DynBuf_Append(&buf, "", 1)) {
+ g_warning("%s: Could not construct delete buffer\n", __FUNCTION__);
+ goto out;
+ }
+ }
+
+ if (!DynBuf_Append(&buf, "", 1)) {
+ g_warning("%s: Could not construct buffer footer\n", __FUNCTION__);
+ goto out;
+ } else {
+ char *result = NULL;
+ size_t resultLen;
+ status = RpcChannel_Send(ctx->rpc, DynBuf_Get(&buf),
+ DynBuf_GetSize(&buf),
+ &result, &resultLen);
+ if (!status) {
+ g_warning("%s: Failed to update %s, result = %s\n", __FUNCTION__,
+ key, result);
+ }
+
+ if (result != NULL) {
+ free(result);
+ }
+ }
+
+out:
+ DynBuf_Destroy(&buf);
+ g_free(timeStamp);
+
+ return status;
+}
+
+
+/*
+ *****************************************************************************
+ * ReadData --
+ *
+ * Reads value from Namespace DB by given key.
+ *
+ * @param[in] ctx Application context.
+ * @param[in] key Key sent to the Namespace DB
+ * @param[out] resultData Data fetched from Namespace DB, freed by callers
+ * @param[out] resultDataLen Length of data fetched from Namespace DB
+ *
+ * @retval TRUE Namespace DB read over RPC succeeded.
+ * @retval FALSE Namespace DB read over RPC failed.
+ *
+ *****************************************************************************
+ */
+
+static Bool
+ReadData(ToolsAppCtx *ctx,
+ const char *key,
+ char **resultData,
+ size_t *resultDataLen)
+{
+ DynBuf buf;
+ Bool status = FALSE;
+
+ ASSERT(key);
+
+ *resultData = NULL;
+ *resultDataLen = 0;
+
+ DynBuf_Init(&buf);
+
+ /*
+ * Format is
+ *
+ * namespace-get-values <namespace>\0<key>\0...
+ *
+ */
+ if (!DynBuf_Append(&buf, NSDB_PRIV_GET_VALUES_CMD,
+ strlen(NSDB_PRIV_GET_VALUES_CMD)) ||
+ !DynBuf_Append(&buf, " ", 1) ||
+ !DynBuf_AppendString(&buf, SERVICE_DISCOVERY_NAMESPACE_DB_NAME) ||
+ !DynBuf_AppendString(&buf, key)) {
+ g_warning("%s: Could not construct request buffer\n", __FUNCTION__);
+ goto done;
+ }
+ status = RpcChannel_Send(ctx->rpc, DynBuf_Get(&buf),
+ DynBuf_GetSize(&buf),
+ resultData, resultDataLen);
+ if (!status) {
+ g_warning("%s: Read finished with status FALSE", __FUNCTION__);
+ }
+done:
+ DynBuf_Destroy(&buf);
+ return status;
+}
+
+
+/*
+*****************************************************************************
+* DeleteData --
+*
+* Deletes key/value from Namespace DB.
+*
+* @param[in] ctx Application context.
+* @param[in] key Key of entry to be deleted from the Namespace DB
+*
+* @retval TRUE Namespace DB delete over RPC succeeded.
+* @retval FALSE Namespace DB delete over RPC failed.
+*
+*****************************************************************************
+*/
+
+static Bool
+DeleteData(ToolsAppCtx *ctx,
+ const char *key)
+{
+ return WriteData(ctx, key, NULL, 0);
+}
+
+
+/*
+*****************************************************************************
+* CleanupNamespaceDB --
+*
+* Deletes all the chunks written to the Namespace DB in previous cycle.
+*
+* @param[in] ctx Application context.
+*
+*****************************************************************************
+*/
+
+static void
+CleanupNamespaceDB(ToolsAppCtx *ctx) {
+ int i;
+
+ g_debug("%s: Performing cleanup of previous data\n", __FUNCTION__);
+
+ ASSERT(gFullPaths);
+
+ for (i = 0; i < gFullPaths->len; i++) {
+ char *value = NULL;
+ size_t len = 0;
+ KeyNameValue tmp = g_array_index(gFullPaths, KeyNameValue, i);
+ /*
+ * Read count of chunks, ignore timestamp, iterate over chunks
+ * and remove them.
+ */
+ if (ReadData(ctx, tmp.keyName, &value, &len) && len > 1) {
+ char *token = NULL;
+ g_debug("%s: Read %s from Namespace DB\n", __FUNCTION__, value);
+
+ /*
+ * Delete this key anyways, afterwards check for chunks
+ */
+ if (!DeleteData(ctx, tmp.keyName)) {
+ g_warning("%s: Not able to delete entry %s", __FUNCTION__,
+ tmp.keyName);
+ }
+
+ if (NULL == strtok(value, ",")) {
+ g_warning("%s: Malformed data for %s in Namespace DB",
+ __FUNCTION__, tmp.keyName);
+ if (value) {
+ free(value);
+ value = NULL;
+ }
+ continue;
+ }
+ token = strtok(NULL, ",");
+ if (token != NULL) {
+ int count = (int) g_ascii_strtoll(token, NULL, 10);
+ int j;
+ gchar *msg = NULL;
+
+ for (j = 0; j < count; j++) {
+ msg = g_strdup_printf("%s-%d", tmp.keyName, j + 1);
+ g_debug("%s: Deleting entry %s",__FUNCTION__, msg);
+ if (!DeleteData(ctx, msg)) {
+ g_warning("%s: Not able to delete entry %s",
+ __FUNCTION__, msg);
+ }
+ g_free(msg);
+ }
+ } else {
+ g_warning("%s: Chunk count has invalid value %s", __FUNCTION__,
+ value);
+ }
+ } else {
+ g_warning("%s: Key %s not found in Namespace DB\n", __FUNCTION__,
+ tmp.keyName);
+ }
+
+ if (value) {
+ free(value);
+ value = NULL;
+ }
+ }
+}
+
+
+/*
+ *****************************************************************************
+ * ServiceDiscoveryTask --
+ *
+ * Task to gather discovered services' data and write to Namespace DB.
+ *
+ * @param[in] ctx Application context.
+ * @param[in] data Data pointer, not used.
+ *
+ *****************************************************************************
+ */
+
+static void
+ServiceDiscoveryTask(ToolsAppCtx *ctx,
+ void *data)
+{
+ Bool status = FALSE;
+ int i;
+ gint64 previousWriteTime = gLastWriteTime;
+
+ gTaskSubmitted = TRUE;
+
+ /*
+ * We are going to write to Namespace DB, update glastWriteTime
+ */
+ gLastWriteTime = GetGuestTimeInMillis();
+
+ /*
+ * Reset "ready" flag to stop readers until all data is written
+ */
+ status = WriteData(ctx, SERVICE_DISCOVERY_KEY_NAME_READY, "FALSE", 5);
+ if (!status) {
+ gLastWriteTime = previousWriteTime;
+ g_warning("%s: Failed to reset %s flag", __FUNCTION__,
+ SERVICE_DISCOVERY_KEY_NAME_READY);
+ goto out;
+ }
+
+ /*
+ * Remove chunks written to DB in the previous iteration
+ */
+ CleanupNamespaceDB(ctx);
+
+ for (i = 0; i < gFullPaths->len; i++) {
+ KeyNameValue tmp = g_array_index(gFullPaths, KeyNameValue, i);
+ if (!PublishScriptOutputToNamespaceDB(ctx, tmp.keyName, tmp.val)) {
+ g_debug("%s: Failed to execute script %s or script output was empty",
+ __FUNCTION__, tmp.val);
+ }
+ }
+
+ /*
+ * Update ready flag
+ */
+ status = WriteData(ctx, SERVICE_DISCOVERY_KEY_NAME_READY, "TRUE", 4);
+ if (!status) {
+ g_warning("%s: Failed to update ready flag", __FUNCTION__);
+ }
+
+out:
+ gTaskSubmitted = FALSE;
+}
+
+
+/*
+ *****************************************************************************
+ * checkForWrite --
+ *
+ * Performs needed checks to decide if Data should be written to Namespace DB
+ * or not.
+ *
+ * First check - checks if interval related information, stored in Namespace DB
+ * under key "signal" and in format of "interval,timestamp" is outdated or not.
+ *
+ * Second check - checks if time greater than interval read from Namespace DB
+ * has elapsed since the last write operation.
+ *
+ * @param[in] ctx The application context.
+ *
+ * @retval TRUE Execute scripts and write service data to Namespace DB.
+ * @retval FALSE Omit this cycle wihtout any script running.
+ *
+ *****************************************************************************
+ */
+
+static Bool
+checkForWrite(ToolsAppCtx *ctx)
+{
+ char *signal = NULL;
+ size_t signalLen = 0;
+ Bool result = FALSE;
+
+ /*
+ * Read signal from Namespace DB
+ */
+ if (!ReadData(ctx, SERVICE_DISCOVERY_KEY_NAME_SIGNAL, &signal, &signalLen)) {
+ g_debug("%s: Failed to read necessary information from Namespace DB\n",
+ __FUNCTION__);
+ } else {
+ gint64 clientTimestamp;
+ int clientInterval;
+ gint64 currentTime;
+
+ if ((signal != NULL) && (strcmp(signal, "")) && signalLen > 0) {
+ char *token1;
+ char *token2;
+ g_debug("%s: signal = %s last write time = %" G_GINT64_FORMAT "\n",
+ __FUNCTION__, signal, gLastWriteTime);
+ /*
+ * parse signal, it should be in "interval,timestamp" format
+ */
+ token1 = strtok(signal, ",");
+ token2 = strtok(NULL, ",");
+ if (token1 != NULL && token2 != NULL) {
+ currentTime = GetGuestTimeInMillis();
+ clientInterval = (int) g_ascii_strtoll(token1, NULL, 10);
+ clientTimestamp = g_ascii_strtoll(token2, NULL, 10);
+
+ if (clientInterval == 0 || clientTimestamp == 0) {
+ g_warning("%s: Wrong value of interval and timestamp",
+ __FUNCTION__);
+ } else if ((currentTime - clientTimestamp) < (5 * clientInterval)) {
+ if ((currentTime - gLastWriteTime +
+ SERVICE_DISCOVERY_WRITE_DELTA) >= clientInterval) {
+ result = TRUE;
+ }
+ } else {
+ /*
+ * Signal is outdated, reset the last write time
+ */
+ gLastWriteTime = 0;
+ }
+
+ g_debug("%s: result=%s client interval = %d "
+ "client timestamp =% " G_GINT64_FORMAT
+ " system time = %" G_GINT64_FORMAT
+ " previous write time = %" G_GINT64_FORMAT "\n",
+ __FUNCTION__, result ? "true" : "false", clientInterval,
+ clientTimestamp, currentTime, gLastWriteTime);
+ } else {
+ g_warning("%s: Wrong value of signal", __FUNCTION__);
+ }
+ } else {
+ g_warning("%s: signal was NULL or empty", __FUNCTION__);
+ }
+ }
+
+ if (signal) {
+ free(signal);
+ }
+
+ return result;
+}
+
+
+/*
+ *****************************************************************************
+ * ServiceDiscoveryThread --
+ *
+ * Creates a new thread that collects all the desired application related
+ * information and updates the Namespace DB.
+ *
+ * @param[in] data The application context.
+ *
+ * @return TRUE to indicate that the timer should be rescheduled.
+ *
+ *****************************************************************************
+ */
+
+static Bool
+ServiceDiscoveryThread(gpointer data)
+{
+ ToolsAppCtx *ctx = data;
+
+ /*
+ * First check for taskSubmitted, if it is true automatically omit this
+ * cycle even without checking for write to avoid resetting last write
+ * time.
+ */
+ if (gTaskSubmitted || !checkForWrite(ctx)) {
+ g_debug("%s: Data should not be written taskSubmitted = %s\n",
+ __FUNCTION__, gTaskSubmitted ? "True" : "False");
+ } else {
+ g_debug("%s: Submitting task to write\n", __FUNCTION__);
+ if (!ToolsCorePool_SubmitTask(ctx, ServiceDiscoveryTask, NULL, NULL)) {
+ g_warning("%s: failed to start information gather thread\n",
+ __FUNCTION__);
+ }
+ }
+
+ return TRUE;
+}
+
+
+/*
+ *****************************************************************************
+ * TweakDiscoveryLoop --
+ *
+ * @brief Start service discovery poll loop.
+ *
+ * @param[in] ctx The app context.
+ *
+ *****************************************************************************
+ */
+
+static void
+TweakDiscoveryLoop(ToolsAppCtx *ctx)
+{
+ if (gServiceDiscoveryTimeoutSource == NULL) {
+ gServiceDiscoveryTimeoutSource =
+ g_timeout_source_new(SERVICE_DISCOVERY_POLL_INTERVAL);
+ VMTOOLSAPP_ATTACH_SOURCE(ctx, gServiceDiscoveryTimeoutSource,
+ ServiceDiscoveryThread, ctx, NULL);
+ g_source_unref(gServiceDiscoveryTimeoutSource);
+ }
+}
+
+
+/*
+******************************************************************************
+* ServiceDiscoveryServerConfReload --
+*
+* @brief Reconfigures the poll loop interval upon config file reload.
+*
+* @param[in] src Unused.
+* @param[in] ctx The application context.
+* @param[in] data Unused.
+*
+******************************************************************************
+*/
+
+static void
+ServiceDiscoveryServerConfReload(gpointer src,
+ ToolsAppCtx *ctx,
+ gpointer data)
+{
+ gboolean disabled =
+ VMTools_ConfigGetBoolean(ctx->config,
+ CONFGROUPNAME_SERVICEDISCOVERY,
+ CONFNAME_SERVICEDISCOVERY_DISABLED,
+ SERVICE_DISCOVERY_CONF_DEFAULT_DISABLED_VALUE);
+ if (!disabled) {
+ g_info("%s: Service discovery loop started\n", __FUNCTION__);
+ TweakDiscoveryLoop(ctx);
+ } else if (gServiceDiscoveryTimeoutSource != NULL) {
+ gLastWriteTime = 0;
+ g_source_destroy(gServiceDiscoveryTimeoutSource);
+ gServiceDiscoveryTimeoutSource = NULL;
+ g_info("%s: Service discovery loop disabled\n", __FUNCTION__);
+ }
+}
+
+
+/*
+*****************************************************************************
+* ServiceDiscoveryServerShutdown --
+*
+* Cleanup internal data on shutdown.
+*
+* @param[in] src The source object.
+* @param[in] ctx Unused.
+* @param[in] data Unused.
+*
+*****************************************************************************
+*/
+
+static void
+ServiceDiscoveryServerShutdown(gpointer src,
+ ToolsAppCtx *ctx,
+ gpointer data)
+{
+ if (gServiceDiscoveryTimeoutSource != NULL) {
+ g_source_destroy(gServiceDiscoveryTimeoutSource);
+ gServiceDiscoveryTimeoutSource = NULL;
+ }
+
+ if (gFullPaths != NULL) {
+ int i = 0;
+ guint len = gFullPaths->len;
+ for (i = 0; i < len; ++i) {
+ g_free(g_array_index(gFullPaths, KeyNameValue, i).keyName);
+ g_free(g_array_index(gFullPaths, KeyNameValue, i).val);
+ }
+ g_array_free(gFullPaths, TRUE);
+ }
+}
+
+
+/*
+*****************************************************************************
+* ConstructScriptPaths --
+*
+* Construct final paths of the scripts that will be used for execution.
+*
+*****************************************************************************
+*/
+
+static void
+ConstructScriptPaths(void)
+{
+ int i;
+ gchar *scriptInstallDir;
+#if !defined(OPEN_VM_TOOLS)
+ gchar *toolsInstallDir;
+#endif
+
+ if (gFullPaths != NULL) {
+ return;
+ }
+
+ gFullPaths = g_array_sized_new(FALSE, TRUE, sizeof(KeyNameValue),
+ ARRAYSIZE(gKeyScripts));
+
+#if defined(OPEN_VM_TOOLS)
+ scriptInstallDir = Util_SafeStrdup(VMTOOLS_SERVICE_DISCOVERY_SCRIPTS);
+#else
+ toolsInstallDir = GuestApp_GetInstallPath();
+ scriptInstallDir = g_strdup_printf("%s%s%s%s%s", toolsInstallDir, DIRSEPS,
+ "serviceDiscovery", DIRSEPS, "scripts");
+ g_free(toolsInstallDir);
+#endif
+
+ for (i = 0; i < ARRAYSIZE(gKeyScripts); ++i) {
+ KeyNameValue tmp;
+ tmp.keyName = g_strdup_printf("%s", gKeyScripts[i].keyName);
+#if defined(_WIN32)
+ tmp.val = g_strdup_printf("\"%s%s%s\"", scriptInstallDir,
+ DIRSEPS, gKeyScripts[i].val);
+#else
+ tmp.val = g_strdup_printf("%s%s%s", scriptInstallDir, DIRSEPS,
+ gKeyScripts[i].val);
+#endif
+ g_array_insert_val(gFullPaths, i, tmp);
+ }
+
+ g_free(scriptInstallDir);
+}
+
+
+/*
+ *****************************************************************************
+ * ToolsOnLoad --
+ *
+ * Plugin entry point. Initializes internal plugin state.
+ *
+ * @param[in] ctx The app context.
+ *
+ * @return The registration data.
+ *
+ *****************************************************************************
+ */
+
+TOOLS_MODULE_EXPORT ToolsPluginData *
+ToolsOnLoad(ToolsAppCtx *ctx)
+{
+ static ToolsPluginData regData = {
+ "serviceDiscovery",
+ NULL,
+ NULL
+ };
+
+ uint32 vmxVersion = 0;
+ uint32 vmxType = VMX_TYPE_UNSET;
+
+ /*
+ * Return NULL to disable the plugin if not running in a VMware VM.
+ */
+ if (!ctx->isVMware) {
+ g_info("%s: Not running in a VMware VM.\n", __FUNCTION__);
+ return NULL;
+ }
+
+ /*
+ * Return NULL to disable the plugin if VM is not running on ESX host.
+ */
+ if (!VmCheck_GetVersion(&vmxVersion, &vmxType) ||
+ vmxType != VMX_TYPE_SCALABLE_SERVER) {
+ g_info("%s, VM is not running on ESX host.\n", __FUNCTION__);
+ return NULL;
+ }
+
+ /*
+ * Return NULL to disable the plugin if not running in vmsvc daemon.
+ */
+ if (!TOOLS_IS_MAIN_SERVICE(ctx)) {
+ g_info("%s: Not running in vmsvc daemon: container name='%s'.\n",
+ __FUNCTION__, ctx->name);
+ return NULL;
+ }
+ if (ctx->rpc != NULL) {
+ ToolsPluginSignalCb sigs[] = {
+ { TOOLS_CORE_SIG_SHUTDOWN, ServiceDiscoveryServerShutdown, NULL },
+ { TOOLS_CORE_SIG_CONF_RELOAD, ServiceDiscoveryServerConfReload, NULL }
+ };
+ ToolsAppReg regs[] = {
+ { TOOLS_APP_SIGNALS,
+ VMTools_WrapArray(sigs, sizeof *sigs, ARRAYSIZE(sigs))
+ }
+ };
+ gboolean disabled;
+
+ regData.regs = VMTools_WrapArray(regs,
+ sizeof *regs,
+ ARRAYSIZE(regs));
+ /*
+ * Append scripts absolute paths based on installation dirs.
+ */
+ ConstructScriptPaths();
+
+ disabled =
+ VMTools_ConfigGetBoolean(ctx->config,
+ CONFGROUPNAME_SERVICEDISCOVERY,
+ CONFNAME_SERVICEDISCOVERY_DISABLED,
+ SERVICE_DISCOVERY_CONF_DEFAULT_DISABLED_VALUE);
+ if (!disabled) {
+ TweakDiscoveryLoop(ctx);
+ }
+
+ return ®Data;
+ }
+
+ return NULL;
+}
--- /dev/null
+/*********************************************************
+ * Copyright (C) 2020 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *********************************************************/
+
+#ifndef _SERVICEDISCOVERY_H_
+#define _SERVICEDISCOVERY_H_
+
+/**
+ * @file serviceDiscovery.h
+ *
+ * Declares few constants for the serviceDiscovery plugin.
+ */
+
+#define G_LOG_DOMAIN "serviceDiscovery"
+
+#include <stdlib.h>
+
+#include "vm_basic_types.h"
+#include "vmware/tools/plugin.h"
+
+/*
+ * Maximum length of the data (either key or value) written to Namespace DB
+ */
+#define SERVICE_DISCOVERY_VALUE_MAX_SIZE (1024*15)
+
+Bool PublishScriptOutputToNamespaceDB(ToolsAppCtx *ctx,
+ const char *key,
+ const char *script);
+Bool WriteData(ToolsAppCtx *ctx,
+ const char *key,
+ const char *data,
+ const size_t len);
+
+#endif /* _SERVICEDISCOVERY_H_ */
\ No newline at end of file
--- /dev/null
+/*********************************************************
+ * Copyright (C) 2020 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation version 2.1 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *********************************************************/
+
+/*
+ * serviceDiscoveryPosix.c --
+ *
+ * Captures the information about services inside the guest
+ * and writes it to Namespace DB.
+ */
+
+#ifndef __linux__
+# error This file should not be compiled.
+#endif
+
+#include "serviceDiscovery.h"
+#include "dynbuf.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+
+/*
+*****************************************************************************
+* ReadFromHandle --
+*
+* Reads from handle and appends to provided buffer. Handle is closed inside the
+* function after read operation.
+*
+* @param[in] h handle.
+* @param[out] out output buffer.
+*
+*****************************************************************************
+*/
+
+static void
+ReadFromHandle(gint h,
+ DynBuf* out)
+{
+ FILE* f = fdopen(h, "r");
+
+ if (f == NULL) {
+ g_warning("%s: Failed to create file stream, errno=%d",
+ __FUNCTION__, errno);
+ if (close(h) != 0) {
+ g_warning("%s: Failed to close file handle, errno=%d",
+ __FUNCTION__, errno);
+ }
+ } else {
+ for (;;) {
+ size_t readBytes;
+ char buf[SERVICE_DISCOVERY_VALUE_MAX_SIZE];
+ readBytes = fread(buf, 1, sizeof(buf), f);
+ g_debug("%s: readBytes = %" G_GSSIZE_FORMAT "\n", __FUNCTION__,
+ readBytes);
+
+ if (readBytes > 0) {
+ DynBuf_Append(out, buf, readBytes);
+ }
+
+ if (readBytes < sizeof(buf)) {
+ break;
+ }
+ }
+ if (fclose(f) != 0) {
+ g_warning("%s: Failed to close file stream, errno=%d",
+ __FUNCTION__, errno);
+ }
+ }
+}
+
+
+/*
+ *****************************************************************************
+ * PublishScriptOutputToNamespaceDB --
+ *
+ * Spawns child process for script, reads stdout from pipe, writes
+ * generated chunks to Namespace DB.
+ *
+ * Chunk count will be written to Namespace DB using received
+ * "key" (ie. get-listening-process-info).
+ *
+ * Chunks will be written to Namespace DB with keys constructed by "key-[i]"
+ * template (ie. get-listening-process-info-1, get-listening-process-info-2)
+ *
+ * @param[in] ctx Application context.
+ * @param[in] key Key used for chunk count
+ * @param[in] script Script to be executed
+ *
+ * @retval TRUE Script execution and Namespace DB write over RPC succeeded.
+ * @retval FALSE Either of script execution or Namespace DB write failed.
+ *
+ *****************************************************************************
+ */
+
+Bool
+PublishScriptOutputToNamespaceDB(ToolsAppCtx *ctx,
+ const char *key,
+ const char *script)
+{
+ Bool status = FALSE;
+ Bool stdoutIsEmpty = TRUE;
+ GPid pid;
+ gchar *command = g_strdup(script);
+ gchar *cmd[] = { command, NULL };
+ gint child_stdout = -1;
+ gint child_stderr = -1;
+ FILE* child_stdout_f;
+ GError *p_error = NULL;
+ DynBuf err;
+ int i = 0;
+
+ status = g_spawn_async_with_pipes(NULL, cmd, NULL, G_SPAWN_DEFAULT, NULL,
+ NULL, &pid, NULL, &child_stdout, &child_stderr,
+ &p_error);
+ if (!status) {
+ if (p_error != NULL) {
+ g_warning("%s: Error during script exec %s\n", p_error->message,
+ __FUNCTION__);
+ g_error_free(p_error);
+ } else {
+ g_warning("%s: Command not run\n", __FUNCTION__);
+ }
+ g_free(command);
+ return status;
+ }
+
+ g_debug("%s: Child process spawned for %s\n", __FUNCTION__, key);
+
+ child_stdout_f = fdopen(child_stdout, "r");
+ if (child_stdout_f == NULL) {
+ g_warning("%s: Failed to create file stream for child stdout, errno=%d",
+ __FUNCTION__, errno);
+ goto out;
+ }
+
+ status = FALSE;
+ for (;;) {
+ char buf[SERVICE_DISCOVERY_VALUE_MAX_SIZE];
+ size_t readBytes = fread(buf, 1, sizeof(buf), child_stdout_f);
+
+ g_debug("%s: readBytes = %" G_GSSIZE_FORMAT "\n", __FUNCTION__, readBytes);
+
+ if (readBytes > 0) {
+ stdoutIsEmpty = FALSE;
+ gchar* msg = g_strdup_printf("%s-%d", key, ++i);
+ status = WriteData(ctx, msg, buf, readBytes);
+ g_free(msg);
+ }
+
+ if (!status || readBytes < sizeof(buf)) {
+ break;
+ }
+ }
+
+ if (status) {
+ gchar *chunkCount = g_strdup_printf("%d", i);
+ status = WriteData(ctx, key, chunkCount, strlen(chunkCount));
+ g_debug("%s: Written key %s chunks %s\n", __FUNCTION__, key, chunkCount);
+ g_free(chunkCount);
+ } else if (!stdoutIsEmpty) {
+ g_warning("%s: Was not able to capture or store data\n", __FUNCTION__);
+ }
+
+ DynBuf_Init(&err);
+ ReadFromHandle(child_stderr, &err);
+ child_stderr = -1;
+ if (DynBuf_GetSize(&err) != 0) {
+ DynBuf_AppendString(&err, "");
+ g_debug("%s: stderr=%s\n", __FUNCTION__, (const char *) DynBuf_Get(&err));
+ }
+ DynBuf_Destroy(&err);
+out:
+ g_free(command);
+ if (child_stdout_f != NULL) {
+ if (fclose(child_stdout_f) != 0) {
+ g_warning("%s: Failed to close child stdout file stream, errno=%d",
+ __FUNCTION__, errno);
+ }
+ } else if (child_stdout != -1 && close(child_stdout) != 0) {
+ g_warning("%s: Failed to close child stdout handle, errno=%d",
+ __FUNCTION__, errno);
+ }
+ if (child_stderr != -1 && close(child_stderr) != 0) {
+ g_warning("%s: Failed to close child process stderr handle, errno=%d",
+ __FUNCTION__, errno);
+ }
+ return status;
+}
\ No newline at end of file
projects / thirdparty / open-vm-tools.git / commitdiff
