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# C++ objects and libs
*.slo
*.lo
*.o
*.a
*.la
*.lai
*.so
*.dll
*.dylib
# Qt-es
object_script.*.Release
object_script.*.Debug
*_plugin_import.cpp
/.qmake.cache
/.qmake.stash
/client/.qmake.cache
/server/.qmake.cache
/client/.qmake.stash
/server/.qmake.stash
*.pro.user
*.pro.user.*
*.qbs.user
*.qbs.user.*
*.moc
moc_*.cpp
moc_*.h
qrc_*.cpp
ui_*.h
*.qmlc
*.jsc
Makefile*
/client/Makefile*
/server/Makefile*
*build-*
/build
/client/build
/server/build
/app_dir
/client/app_dir
/client/app_dir
/server/app_dir
/server/app_dir
/installers
/release
/debug
# Qt unit tests
target_wrapper.*
# QtCreator
*.autosave
# QtCreator Qml
*.qmlproject.user
*.qmlproject.user.*
# QtCreator CMake
CMakeLists.txt.user*
# QtCreator 4.8< compilation database
compile_commands.json
# QtCreator local machine specific files for imported projects
*creator.user*
# VSCode
/.vscode

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QT -= gui
CONFIG += c++11 console
CONFIG -= app_bundle
TARGET = build/jmotion
OBJECTS_DIR = build
MOC_DIR = build
RCC_DIR = build
HEADERS += \
src/common.h \
src/camera.h \
src/detect_loop.h \
src/event_loop.h \
src/proc_control.h \
src/record_loop.h
SOURCES += \
src/common.cpp \
src/camera.cpp \
src/detect_loop.cpp \
src/event_loop.cpp \
src/proc_control.cpp \
src/record_loop.cpp \
src/main.cpp

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GNU GENERAL PUBLIC LICENSE
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END OF TERMS AND CONDITIONS

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# JustMotion #
JustMotion is a simple, lightweight video surveillance appication that
monitors the video feeds of any IP or local cameras and records footage that
contains motion or any other events of interest to permanent storage. The main
advantage of this is reduced storage requirements as opposed to continuous
recording because only video footage of interest is kept in storage.
This implements the principle of doing the least as needed. As a result it is
extremely lightweight with the fact it doesn't attempt to re-implement much of
it's functions internally but will instead rely on external applications that
already implement the functions very well. ffmpeg, imagemagick, etc..
It doesn't have a builtin user interface so instead external applications are
more than welcome to interface with the buffer/footage directories to
implement a user interface of any flavor.
### Usage ###
```
Usage: jmotion <argument>
-h : display usage information about this application.
-d : all valid config files found in /etc/jmotion will be used to
create camera instances. (this is blocking, meant to run with systemd)
-v : display the current version.
-u : uninstall the entire server from your system, including the service. all
recorded footage and config files will remain.
-f : force an action without pausing for user confirmation.
-l : view the status of all camera instances.
-q : kill all camera instances.
-s : same as -d except it is non-blocking for starting all camera instances
via systemd. same as 'sudo systemctl start jmotion'
```
### Config File ###
The config file is a simple text file that contain parameters that dictate the
behavior for each camera located in the /etc/jmotion directory.
```
# Motion Watch config file
#
# note all lines in this config file that starts with a '#' are ignored.
# also note to avoid using empty lines. if you're going to need an empty
# line, start it with a '#'
#
recording_uri = rtsp://1.2.3.4:554/h264
# this is the uri to the main stream of the IP camera that will be used
# to record footage. it can be a url to an rtsp stream or a direct device
# path such as /dev/video0.
#
detect_uri = rtsp://1.2.3.4:554/h264cif
# this is the uri to the secondary stream of the IP camera that will be
# used to take image snapshots that will be used with img_comp_cmd to
# detect any events of intrest. it can be a url to an rtsp stream or a
# direct device path such as /dev/video0. If the camera doesn't have a
# secondary stream, you can just use the same as recording_uri.
#
buffer_path = /tmp/jmotion
# this is the work directory the app will use to store live footage and
# image frames. it's recommended to use a ram disk for this since there
# will be large amounts of io occuring here. 1GB of space per camera is
# a good rule of thumb.
#
rec_path = /var/jmotion/footage
# this is video output directory that will be used to store any footage
# that contain any detected events.
#
live_mins = 60
# this is the maximum amount minutes worth of live video clips to record
# to the buffer_path before deleting the oldest video clips. values less
# than 1 is considered invalid and will cause the app to default to 60.
#
live_clip_secs = 5
# this is the amount of seconds each video clip recorded from recording_uri
# can be. values between 1-59 are valid. anything outside of that range will
# cause the app to default to 5.
#
cam_name = cam-1
# this is the optional camera name parameter to identify the camera. this
# name will also be used as the base directory in buffer_path and rec_path.
# if not defined, the name of the config file will be used.
#
max_events = 120
# this is the maximum amount of events to store into rec_path. the oldest
# event is deleted when max_events is exceeded or met. each event is 1 min
# in duration. values less than 1 is considered invalid and will cause the
# app to default to 120.
#
img_comp_cmd = compare -metric FUZZ &prev& &next& /dev/null
# this is the command line template this application will use when calling
# the external image comparison application. the external application is
# expected to compare snapshots from the video stream to determine how
# different the images are from each other. it needs to output a numeric
# score with the higher values meaning very different while low values
# mean similar images. magick is the default if not defined in the config
# file. this parameter can also be set to 'null' as a means to turn off
# motion/event detection.
#
sec_per_image = 4
# this is the amount of seconds between video stream snap shots to take
# from detect_uri that will then be passed on to img_comp_cmd via the &prev&
# and &next& parameters. values between 1-59 are valid. anything outside of
# that range will cause the app to default to 4.
#
img_comp_out = stderr
# this is the standard output stream the app defined in img_comp_cmd will
# use to output the comparison score. this can only be stderr or stdout,
# any other stream name is considered invalid. it will default to 'stderr'
# if the parameter is invalid.
#
vid_codec = copy
# this is the encoding codec to use when recording footage from the camera.
# the list of supported codecs entirely depend on the hosts' ffmpeg
# installation. run 'ffmpeg -codecs' to determine this list. if not
# defined, 'copy' will be used as in it will just copy the codec format
# from the camera itself without re-encoding.
#
aud_codec = copy
# this is the audio encoding codec to use when recording from the camera.
# the list of supported audio codes can be determined by running 'ffmpeg
# -codecs' on the host machine. if not defined, 'copy' will be used as in
# it will directly copy the audio stream from the camera if present.
#
stream_ext = .mkv
# this is the file extension that will be used to when recording footage
# from the camera in buffer_path. ffmpeg will also use this to determine
# what format container to use for the video clips.
#
img_ext = .jpg
# this is the file extension that will be used with detect_uri to take
# snapshots of the video stream. make sure the app defined in img_comp_cmd
# supports the image format defined here.
#
thumbnail_ext = .jpg
# this the image format that will be used when creating the thumbnails
# for the videos clips recorded to rec_path.
#
rec_ext = .mkv
# this the the file extension that will be used when storing motion footage
# to rec_path. ffmpeg will also use this to determine what format container
# to use for the video clips.
#
img_thresh = 8000
# this parameter defines the score threshold from img_comp_cmd that will
# be considered an event of any kind. any video clips found with events
# are queued up to be copied to rec_path.
#
gray_image = y
# this is a boolean 'y' or 'n' parameter that enables or disable grayscale
# color formatting for the images pulled from the camera stream via the
# detect_uri. recommend turning this off if the img_comp_cmd already does
# this internally.
#
post_secs = 60
# this is the amount of seconds to wait before running the command
# defined in post_cmd. the command will not run if an event was detected
# in the space before post_secs elapsed.
#
post_cmd = move_the_ptz_camera.py
# this is an optional command to run with post_secs. one great use for this
# is to move a ptz camera to the next position of it's patrol pattern.
# note: the call to this command will be delayed if an event was detected.
# also, event detection is paused while this command is running.
#
rec_fps = 30
# this sets the recording frames per second for the footage recorded
# from the camera. this has no affect if using 'copy' as the vid_codec.
#
rec_scale = 1280:720
# this sets the pixel scale of the recorded footage from the camera. it
# uses width, height numeric strings seperated by a colon, eg W:H. this
# has no affect of using 'copy' as the vid_codec.
#
```
### Build/Install ###
This application is currently only compatible with a Linux based operating
systems that are capable of installing python3 and the QT API (QT6.X.X or
better).
```
./build.py <--run this first
./install.py <--run this next
```
```
note 1: the build script will search for the QT api installed in your
system. if not found, it will ask you where it is. either way
it is recommended to install the QT API before running this
script.
note 2: both scripts assume python3 is already installed.
```

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#!/usr/bin/python3
import os
import re
import subprocess
import shutil
import sys
import platform
import pwd
def get_app_target(text):
return re.search(r'(APP_TARGET) +(\"(.*?)\")', text).group(3)
def get_app_ver(text):
return re.search(r'(APP_VERSION) +(\"(.*?)\")', text).group(3)
def get_app_name(text):
return re.search(r'(APP_NAME) +(\"(.*?)\")', text).group(3)
def get_qt_path():
try:
if os.path.exists("/usr/lib/qt6/bin"):
return "/usr/lib/qt6/bin"
return str(subprocess.check_output(["qtpaths6", "--binaries-dir"]), 'utf-8').strip()
except:
print("A direct call to 'qtpaths6' has failed so automatic retrieval of the QT bin folder is not possible.")
return input("Please enter the QT bin path (leave blank to cancel the build): ")
def get_qt_lib_path(qt_bin):
output = str(subprocess.check_output([qt_bin + "/qtpaths6", "--query"]), 'utf-8').strip()
lines = output.split("\n")
ret = ""
for line in lines:
if line.startswith("QT_HOST_LIBS:"):
ret = line[13:]
if ret == "":
print("failed automatic retrieval of the QT lib folder.")
return input("Please enter the QT lib path (leave blank to cancel the build): ")
else:
return ret
def get_qt_from_cli():
for arg in sys.argv:
if arg == "-qt_dir":
index = sys.argv.index(arg)
try:
return sys.argv[index + 1]
except:
return ""
return ""
def get_ver_header():
current_dir = os.path.dirname(__file__)
if current_dir == "":
return "src" + os.sep + "common.h"
else:
return current_dir + os.sep + "src" + os.sep + "common.h"
def get_nearest_subdir(path, sub_name):
dir_list = os.listdir(path)
ret = ""
for entry in dir_list:
if sub_name in entry:
ret = entry
break
return ret
def cd():
current_dir = os.path.dirname(__file__)
if current_dir != "":
os.chdir(current_dir)
def verbose_copy(src, dst):
print("cpy: " + src + " --> " + dst)
if os.path.isdir(src):
if os.path.exists(dst) and os.path.isdir(dst):
shutil.rmtree(dst)
try:
# ignore errors thrown by shutil.copytree()
# it's likely not actually failing to copy
# the directory but still throws errors if
# it fails to apply the same file stats as
# the source. this type of error can be
# ignored.
shutil.copytree(src, dst)
except:
pass
elif os.path.exists(src):
shutil.copyfile(src, dst)
else:
print("wrn: " + src + " does not exists. skipping.")
def linux_build_app_dir(app_ver, app_name, app_target, qt_bin, qt_lib):
if not os.path.exists("app_dir/lib"):
os.makedirs("app_dir/lib")
verbose_copy("build/" + app_target, "app_dir/" + app_target)
shutil.copyfile("build/" + app_target, "/tmp/" + app_target + "-bin")
# copying the executable file from the build folder to
# temp bypasses any -noexe retrictions a linux file
# system may have. there is a chance temp is also
# restricted in this way but that kind of config is
# rare. ldd will not run correctly with -noexe
# enabled.
lines = str(subprocess.check_output(["ldd", "/tmp/" + app_target + "-bin"]), 'utf-8').split("\n")
os.remove("/tmp/" + app_target + "-bin")
for line in lines:
if " => " in line and "libc" not in line:
#if ("libQt" in line) or ("libicu" in line) or ("libGL.so" in line) or ("libpcre16.so" in line) or ("libpcre.so" in line):
if " (0x0" in line:
start_index = line.index("> ") + 2
end_index = line.index(" (0x0")
src_file = line[start_index:end_index]
file_name = os.path.basename(src_file)
verbose_copy(src_file, "app_dir/lib/" + file_name)
verbose_copy(qt_lib + "/libQt6DBus.so.6", "app_dir/lib/libQt6DBus.so.6")
verbose_copy("templates/linux_run_script.sh", "app_dir/" + app_target + ".sh")
verbose_copy("templates/linux_uninstall.sh", "app_dir/uninstall.sh")
verbose_copy("templates/linux_service.service", "app_dir/" + app_target + ".service")
complete(app_ver, app_target)
def complete(app_ver, app_target):
print("Build complete for version: " + app_ver)
print("You can now run the install.py script to install onto this machine or create an installer.")
def get_like_distro():
info = platform.freedesktop_os_release()
ids = [info["ID"]]
if "ID_LIKE" in info:
# ids are space separated and ordered by precedence
ids.extend(info["ID_LIKE"].split())
return ids
def list_installed_packages():
like_distro = get_like_distro()
if ("ubuntu" in like_distro) or ("debian" in like_distro) or ("linuxmint" in like_distro):
return str(subprocess.check_output(["apt", "list", "--installed"]), 'utf-8')
elif ("fedora" in like_distro) or ("rhel" in like_distro):
return str(subprocess.check_output(["dnf", "list", "installed"]), 'utf-8')
elif ("arch" in like_distro):
return str(subprocess.check_output(["pacman", "-Q"]), 'utf-8')
else:
print("Warning: unable to determine a package manager for this platform.")
return []
def list_of_words_in_text(list_of_words, text_body):
for word in list_of_words:
if not word in text_body:
return False
return True
def user_exists(user_name):
try:
pwd.getpwnam(user_name)
return True
except KeyError:
return False
def platform_setup():
ins_packages = list_installed_packages()
like_distro = get_like_distro()
dep_pkgs_a = ["pkg-config", "make", "g++"]
dep_pkgs_b = ["ffmpeg", "libfuse3-dev", "libfuse-dev", "fuse3", "imagemagick"]
if not list_of_words_in_text(dep_pkgs_a, ins_packages) or not list_of_words_in_text(dep_pkgs_b, ins_packages):
if ("ubuntu" in like_distro) or ("debian" in like_distro) or ("linuxmint" in like_distro):
subprocess.run(["sudo", "apt", "update", "-y"])
subprocess.run(["sudo", "apt", "install", "-y"] + dep_pkgs_a)
subprocess.run(["sudo", "apt", "install", "-y"] + dep_pkgs_b)
elif ("fedora" in like_distro) or ("rhel" in like_distro):
subprocess.run(["sudo", "dnf", "install", "-y"] + dep_pkgs_a)
subprocess.run(["sudo", "dnf", "install", "-y"] + dep_pkgs_b)
elif ("arch" in like_distro):
subprocess.run(["sudo", "pacman", "-S", "--noconfirm"] + dep_pkgs_a)
subprocess.run(["sudo", "pacman", "-S", "--noconfirm"] + dep_pkgs_b)
if not user_exists("jmotion"):
subprocess.run(["sudo", "useradd", "-r", "jmotion"])
subprocess.run(["sudo", "usermod", "-aG", "video", "jmotion"])
def main():
platform_setup()
with open(get_ver_header()) as file:
text = file.read()
app_target = get_app_target(text)
app_ver = get_app_ver(text)
app_name = get_app_name(text)
qt_bin = get_qt_from_cli()
if qt_bin == "":
qt_bin = get_qt_path()
if qt_bin != "":
qt_lib = get_qt_lib_path(qt_bin)
if qt_lib == "":
exit(1)
print("app_target = " + app_target)
print("app_version = " + app_ver)
print("app_name = " + app_name)
print("qt_bin = " + qt_bin)
print("qt_lib = " + qt_lib)
cd()
result = subprocess.run([qt_bin + os.sep + "qmake", "-config", "release"])
if result.returncode == 0:
result = subprocess.run(["make"])
if result.returncode == 0:
if os.path.exists("app_dir"):
shutil.rmtree("app_dir")
os.makedirs("app_dir")
with open("app_dir" + os.sep + "info.txt", "w") as info_file:
info_file.write(app_target + "\n")
info_file.write(app_ver + "\n")
info_file.write(app_name + "\n")
linux_build_app_dir(app_ver, app_name, app_target, qt_bin, qt_lib)
if __name__ == "__main__":
main()

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#!/usr/bin/python3
import os
import subprocess
import shutil
import platform
import sys
import zipfile
import binascii
import tempfile
import pwd
def cd():
current_dir = os.path.dirname(__file__)
if current_dir != "":
os.chdir(current_dir)
def get_default_installer_path(app_ver, app_name):
if not os.path.exists("./installers"):
os.makedirs("./installers")
return "./installers/" + app_name + "-" + app_ver + "-" + platform.system() + "-" + platform.machine() + ".run"
def make_install_dir(path, false_on_fail):
try:
if not os.path.exists(path):
os.makedirs(path)
return True
except:
if false_on_fail:
print("Failed to create directory: " + path + ", please make sure you are runnning this script with admin rights.")
return False
else:
return True
def make_app_dirs(app_target):
return make_install_dir("/etc/" + app_target, True) and make_install_dir("/opt/" + app_target, True) and make_install_dir("/var/local/" + app_target, False)
def replace_bin(binary, old_bin, new_bin, offs):
while(True):
try:
index = binary.index(old_bin, offs)
binary = binary[:index] + new_bin + binary[index + len(old_bin):]
except ValueError:
break
return binary
def bin_sub_copy_file(src, dst, old_bin, new_bin, offs):
binary = bytearray()
with open(src, "rb") as rd_file:
binary = rd_file.read()
binary = replace_bin(binary, old_bin, new_bin, offs)
with open(dst, "wb") as wr_file:
wr_file.write(binary)
def text_sub_copy_file(src, dst, old_text, new_text, offs):
bin_sub_copy_file(src, dst, old_text.encode("utf-8"), new_text.encode("utf-8"), offs)
def text_template_deploy(src, dst, install_dir, app_name, app_target):
print("dep: " + dst)
text_sub_copy_file(src, dst, "$install_dir", install_dir, 0)
text_sub_copy_file(dst, dst, "$app_name", app_name, 0)
text_sub_copy_file(dst, dst, "$app_target", app_target, 0)
def verbose_copy(src, dst):
print("cpy: " + src + " --> " + dst)
if os.path.isdir(src):
files = os.listdir(src)
if not os.path.exists(dst):
os.makedirs(dst)
for file in files:
tree_src = src + os.path.sep + file
tree_dst = dst + os.path.sep + file
if os.path.isdir(tree_src):
if not os.path.exists(tree_dst):
os.makedirs(tree_dst)
verbose_copy(tree_src, tree_dst)
else:
shutil.copyfile(src, dst)
def verbose_create_symmlink(src, dst):
print("lnk: " + src + " --> " + dst)
if os.path.exists(dst):
os.remove(dst)
os.symlink(src, dst)
def local_install(app_target, app_name):
install_dir = "/opt/" + app_target
if os.path.exists(install_dir + "/uninstall.sh"):
subprocess.run([install_dir + "/uninstall.sh"])
if make_app_dirs(app_target):
text_template_deploy("app_dir/" + app_target + ".sh", install_dir + "/" + app_target + ".sh", install_dir, app_name, app_target)
text_template_deploy("app_dir/" + app_target + ".service", "/lib/systemd/system/" + app_target + ".service", install_dir, app_name, app_target)
text_template_deploy("app_dir/uninstall.sh", install_dir + "/uninstall.sh", install_dir, app_name, app_target)
verbose_copy("app_dir/" + app_target, install_dir + "/" + app_target)
verbose_copy("app_dir/lib", install_dir + "/lib")
verbose_create_symmlink(install_dir + "/" + app_target + ".sh", "/usr/bin/" + app_target)
subprocess.run(["chmod", "755", install_dir + "/" + app_target + ".sh"])
subprocess.run(["chmod", "755", install_dir + "/" + app_target])
subprocess.run(["chmod", "755", install_dir + "/uninstall.sh"])
subprocess.run(["chmod", "644", "/lib/systemd/system/" + app_target + ".service"])
if not user_exists(app_target):
subprocess.run(["sudo", "useradd", "-r", app_target])
subprocess.run(["sudo", "usermod", "-aG", "video", app_target])
subprocess.run(["chown", app_target + ":" + app_target, "/var/local/" + app_target])
subprocess.run(["systemctl", "start", app_target])
subprocess.run(["systemctl", "enable", app_target])
print("Installation finished. If you ever need to uninstall this application, run this command with root rights:")
print(" sh " + install_dir + "/uninstall.sh\n")
def dir_tree(path):
ret = []
if os.path.isdir(path):
for entry in os.listdir(path):
full_path = os.path.join(path, entry)
if os.path.isdir(full_path):
for sub_dir_file in dir_tree(full_path):
ret.append(sub_dir_file)
else:
ret.append(full_path)
return ret
def to_hex(data):
return str(binascii.hexlify(data))[2:-1]
def from_hex(text_line):
return binascii.unhexlify(text_line)
def make_install(app_ver, app_name):
path = get_default_installer_path(app_ver, app_name)
with zipfile.ZipFile("app_dir.zip", "w", compression=zipfile.ZIP_DEFLATED) as zip_file:
print("Compressing app_dir --")
for file in dir_tree("app_dir"):
print("adding file: " + file)
zip_file.write(file)
text_sub_copy_file(__file__, path, "main(is_sfx=False)", "main(is_sfx=True)\n\n\n", 10322)
with open(path, "a") as dst_file, open("app_dir.zip", "rb") as src_file:
print("Packing the compressed app_dir into the sfx script file --")
dst_file.write("# APP_DIR\n")
stat = os.stat("app_dir.zip")
while(True):
buffer = src_file.read(4000000)
if len(buffer) != 0:
dst_file.write("# " + to_hex(buffer) + "\n")
print(str(src_file.tell()) + "/" + str(stat.st_size))
if len(buffer) < 4000000:
break
os.remove("app_dir.zip")
subprocess.run(["chmod", "+x", path])
print("Finished packing the app.")
print("Installer: " + path)
def sfx():
abs_sfx_path = os.path.abspath(__file__)
mark_found = False
os.chdir(tempfile.gettempdir())
with open(abs_sfx_path) as packed_file, open("app_dir.zip", "wb") as zip_file:
stat = os.stat(abs_sfx_path)
print("Unpacking the app_dir compressed file from the sfx script.")
while(True):
line = packed_file.readline()
if not line:
break
elif mark_found:
zip_file.write(from_hex(line[2:-1]))
print(str(packed_file.tell()) + "/" + str(stat.st_size))
else:
if line == "# APP_DIR\n":
mark_found = True
print("Done.")
if not mark_found:
print("The app_dir mark was not found, unable to continue.")
else:
with zipfile.ZipFile("app_dir.zip", "r", compression=zipfile.ZIP_DEFLATED) as zip_file:
print("De-compressing app_dir --")
zip_file.extractall()
print("Preparing for installation.")
os.remove("app_dir.zip")
with open("app_dir" + os.sep + "info.txt") as info_file:
info = info_file.read().split("\n")
local_install(info[0], info[2])
shutil.rmtree("app_dir")
def get_like_distro():
info = platform.freedesktop_os_release()
ids = [info["ID"]]
if "ID_LIKE" in info:
# ids are space separated and ordered by precedence
ids.extend(info["ID_LIKE"].split())
return ids
def list_installed_packages():
like_distro = get_like_distro()
if ("ubuntu" in like_distro) or ("debian" in like_distro) or ("linuxmint" in like_distro):
return str(subprocess.check_output(["apt", "list", "--installed"]), 'utf-8')
elif ("fedora" in like_distro) or ("rhel" in like_distro):
return str(subprocess.check_output(["dnf", "list", "installed"]), 'utf-8')
elif ("arch" in like_distro):
return str(subprocess.check_output(["pacman", "-Q"]), 'utf-8')
else:
print("Warning: unable to determine a package manager for this platform.")
return []
def list_of_words_in_text(list_of_words, text_body):
for word in list_of_words:
if not word in text_body:
return False
return True
def user_exists(user_name):
try:
pwd.getpwnam(user_name)
return True
except KeyError:
return False
def platform_setup():
ins_packages = list_installed_packages()
like_distro = get_like_distro()
dep_pkgs_a = ["pkg-config"]
dep_pkgs_b = ["ffmpeg", "libfuse-dev", "fuse3", "imagemagick"]
if not list_of_words_in_text(dep_pkgs_a, ins_packages) or not list_of_words_in_text(dep_pkgs_b, ins_packages):
if ("ubuntu" in like_distro) or ("debian" in like_distro) or ("linuxmint" in like_distro):
subprocess.run(["sudo", "apt", "update", "-y"])
subprocess.run(["sudo", "apt", "install", "-y"] + dep_pkgs_a)
subprocess.run(["sudo", "apt", "install", "-y"] + dep_pkgs_b)
elif ("fedora" in like_distro) or ("rhel" in like_distro):
subprocess.run(["sudo", "dnf", "install", "-y"] + dep_pkgs_a)
subprocess.run(["sudo", "dnf", "install", "-y"] + dep_pkgs_b)
elif ("arch" in like_distro):
subprocess.run(["sudo", "pacman", "-S", "--noconfirm"] + dep_pkgs_a)
subprocess.run(["sudo", "pacman", "-S", "--noconfirm"] + dep_pkgs_b)
def main(is_sfx):
cd()
app_target = ""
app_ver = ""
app_name = ""
if not is_sfx:
with open("app_dir" + os.sep + "info.txt") as info_file:
info = info_file.read().split("\n")
app_target = info[0]
app_ver = info[1]
app_name = info[2]
if is_sfx:
platform_setup()
sfx()
elif "--local" in sys.argv:
platform_setup()
local_install(app_target, app_name)
elif "--installer" in sys.argv:
make_install(app_ver, app_name)
else:
print("Do you want to install onto this machine or create an installer?")
print("[1] local machine")
print("[2] create installer")
print("[3] exit")
while(True):
opt = input("select an option: ")
if opt == "1":
subprocess.run(["sudo", "python3", "install.py", "--local"])
break
elif opt == "2":
subprocess.run(["python3", "install.py", "--installer"])
break
elif opt == "3":
break
if __name__ == "__main__":
main(is_sfx=False)

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "camera.h"
Camera::Camera(const QString &confFile, const QString &statDir, ProcControl *proc, QCoreApplication *parent) : QObject(nullptr)
{
Q_UNUSED(parent);
fsW = new QFileSystemWatcher(this);
statTimer = new QTimer(this);
statPath = statDir;
evtLoop = nullptr;
detLoop = nullptr;
recLoop = nullptr;
delOnZero = false;
objCount = 0;
statTimer->setInterval(5000);
statTimer->start();
proc->objPlusOne();
connect(fsW, &QFileSystemWatcher::fileChanged, this, &Camera::confChanged);
connect(proc, &ProcControl::prepForClose, this, &Camera::prepForDel);
connect(this, &Camera::destroyed, proc, &ProcControl::objMinusOne);
connect(statTimer, &QTimer::timeout, this, &Camera::updateStat);
start(confFile);
}
void Camera::objMinusOne()
{
objCount--;
if (objCount == 0)
{
thr1->deleteLater();
thr2->deleteLater();
thr3->deleteLater();
if (delOnZero)
{
QDir(shared.buffPath).removeRecursively();
deleteLater();
}
}
}
void Camera::prepForDel()
{
statTimer->blockSignals(true);
delOnZero = true;
emit stop();
}
void Camera::updateStat()
{
auto statFile = statPath + "/" + shared.camName;
QFile file(statFile);
file.open(QFile::WriteOnly);
file.write(statusLine().toUtf8());
file.close();
}
int Camera::start(const QString &conf)
{
if (rdConf(conf, &shared))
{
setupBuffDir(shared.buffPath, true);
if (!fsW->files().contains(conf))
{
fsW->addPath(conf);
}
thr1 = new QThread(nullptr);
thr2 = new QThread(nullptr);
thr3 = new QThread(nullptr);
evtLoop = new EventLoop(&shared, thr1, nullptr);
detLoop = new DetectLoop(&shared, thr2, nullptr);
recLoop = new RecordLoop(&shared, thr3, nullptr);
connect(this, &Camera::stop, thr1, &QThread::quit);
connect(this, &Camera::stop, thr2, &QThread::quit);
connect(this, &Camera::stop, thr3, &QThread::quit);
connect(thr1, &QThread::finished, this, &Camera::objMinusOne);
connect(thr2, &QThread::finished, this, &Camera::objMinusOne);
connect(thr3, &QThread::finished, this, &Camera::objMinusOne);
connect(detLoop, &DetectLoop::starving, recLoop, &RecordLoop::restart);
connect(detLoop, &DetectLoop::eventInfo, evtLoop, &EventLoop::eventInfo);
connect(recLoop, &RecordLoop::started, detLoop, &DetectLoop::run);
connect(recLoop, &RecordLoop::finished, detLoop, &DetectLoop::terminate);
thr1->start();
thr2->start();
thr3->start();
objCount = 3;
}
return shared.retCode;
}
void Camera::confChanged(const QString &path)
{
emit stop();
if (!QFileInfo::exists(path))
{
deleteLater();
}
else
{
auto ret = start(path);
if (ret != 0)
{
deleteLater();
}
}
}
QString Camera::statusLine()
{
return "Detection: " + detLoop->statusLine() +
" Recording: " + recLoop->statusLine() +
" Name: " + shared.camName + "\n";
}

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#ifndef CAMERA_H
#define CAMERA_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
#include "event_loop.h"
#include "detect_loop.h"
#include "record_loop.h"
#include "proc_control.h"
class Camera : public QObject
{
Q_OBJECT
private:
QFileSystemWatcher *fsW;
EventLoop *evtLoop;
DetectLoop *detLoop;
RecordLoop *recLoop;
QThread *thr1;
QThread *thr2;
QThread *thr3;
QTimer *statTimer;
QString statPath;
shared_t shared;
uint objCount;
bool delOnZero;
private slots:
void confChanged(const QString &path);
void objMinusOne();
void updateStat();
void prepForDel();
public:
explicit Camera(const QString &confFile, const QString &statDir, ProcControl *proc, QCoreApplication *parent);
int start(const QString &conf);
QString statusLine();
signals:
void stop();
};
#endif // CAMERA_H

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
QStringList lsFilesInDir(const QString &path, const QString &ext)
{
QStringList filters;
filters << "*" + ext;
QDir dirObj(path);
dirObj.setFilter(QDir::Files);
dirObj.setNameFilters(filters);
dirObj.setSorting(QDir::Name);
return dirObj.entryList();
}
QStringList lsDirsInDir(const QString &path)
{
QDir dirObj(path);
dirObj.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
dirObj.setSorting(QDir::Name);
return dirObj.entryList();
}
void rdLine(const QString &param, const QString &line, QString *value)
{
if (line.startsWith(param))
{
*value = line.mid(param.size()).trimmed();
}
}
void rdLine(const QString &param, const QString &line, int *value)
{
if (line.startsWith(param))
{
*value = line.mid(param.size()).trimmed().toInt();
}
}
void rdLine(const QString &param, const QString &line, quint64 *value)
{
if (line.startsWith(param))
{
quint64 multiplier = 1;
auto lineCpy = line;
if (line.endsWith('k', Qt::CaseInsensitive))
{
multiplier = 1000; lineCpy.chop(1);
}
else if (line.endsWith('m', Qt::CaseInsensitive))
{
multiplier = 1000000; lineCpy.chop(1);
}
else if (line.endsWith('g', Qt::CaseInsensitive))
{
multiplier = 1000000000; lineCpy.chop(1);
}
else if (line.endsWith('t', Qt::CaseInsensitive))
{
multiplier = 1000000000000; lineCpy.chop(1);
}
auto okay = false;
auto num = lineCpy.mid(param.size()).trimmed().toULongLong(&okay);
if (okay) *value = num * multiplier;
else *value = 0;
}
}
void rdLine(const QString &param, const QString &line, bool *value)
{
if (line.startsWith(param))
{
auto val = line.mid(param.size()).trimmed();
*value = (val == "y" || val == "Y");
}
}
void extCorrection(QString &ext)
{
if (!ext.startsWith("."))
{
ext = "." + ext;
}
}
bool mkPath(const QString &path)
{
auto ret = true;
if (!QDir().exists(path))
{
ret = QDir().mkpath(path);
}
return ret;
}
bool rdConf(const QString &filePath, shared_t *share)
{
QFile varFile(filePath);
if (!varFile.open(QFile::ReadOnly))
{
share->retCode = ENOENT;
QTextStream(stderr) << "err: config file - " << filePath << " does not exists or lack read permissions." << Qt::endl;
}
else
{
share->recordUri.clear();
share->detectUri.clear();
share->postCmd.clear();
share->camName.clear();
share->buffPath.clear();
share->recPath.clear();
share->retCode = 0;
share->imgThresh = 3000;
share->postSecs = 300;
share->evtMax = 120;
share->conf = filePath;
share->outputType = "stderr";
share->compCmd = "compare -metric FUZZ " + QString(PREV_IMG) + " " + QString(NEXT_IMG) + " /dev/null";
share->vidCodec = "copy";
share->audCodec = "copy";
share->streamExt = ".ts";
share->thumbExt = ".jpg";
share->imgExt = ".jpg";
share->recFps = 30;
share->liveMins = 60;
share->liveClipSecs = 5;
share->secPerImg = 4;
share->grayImg = true;
share->recScale = "1280:720";
QString line;
do
{
line = QString::fromUtf8(varFile.readLine());
if (!line.startsWith("#"))
{
rdLine("cam_name = ", line, &share->camName);
rdLine("recording_uri = ", line, &share->recordUri);
rdLine("detect_uri = ", line, &share->detectUri);
rdLine("buffer_path = ", line, &share->buffPath);
rdLine("rec_path = ", line, &share->recPath);
rdLine("post_secs = ", line, &share->postSecs);
rdLine("post_cmd = ", line, &share->postCmd);
rdLine("img_thresh = ", line, &share->imgThresh);
rdLine("max_events = ", line, &share->evtMax);
rdLine("img_comp_out = ", line, &share->outputType);
rdLine("img_comp_cmd = ", line, &share->compCmd);
rdLine("img_ext = ", line, &share->imgExt);
rdLine("vid_codec = ", line, &share->vidCodec);
rdLine("aud_codec = ", line, &share->audCodec);
rdLine("stream_ext = ", line, &share->streamExt);
rdLine("thumbnail_ext = ", line, &share->thumbExt);
rdLine("rec_fps = ", line, &share->recFps);
rdLine("rec_scale = ", line, &share->recScale);
rdLine("live_mins = ", line, &share->liveMins);
rdLine("live_clip_secs = ", line, &share->liveClipSecs);
rdLine("sec_per_image = ", line, &share->secPerImg);
rdLine("gray_image = ", line, &share->grayImg);
}
} while(!line.isEmpty());
if (share->camName.isEmpty())
{
share->camName = QFileInfo(share->conf).baseName();
}
extCorrection(share->streamExt);
extCorrection(share->thumbExt);
extCorrection(share->imgExt);
if ((share->liveClipSecs > 59) || (share->liveClipSecs <= 0))
{
qInfo() << "live_clip_secs = " << share->liveClipSecs << " is not valid. must be between 1-59. default set: " << 5;
share->liveClipSecs = 5;
}
if (share->liveMins <= 0)
{
qInfo() << "live_mins = " << share->liveMins << " is not valid. must be greater than 1. default set: " << 60;
share->liveMins = 60;
}
if ((share->secPerImg > 59) || (share->secPerImg <= 0))
{
qInfo() << "sec_per_image = " << share->secPerImg << " is not valid. must be between 1-59. default set: " << 4;
share->secPerImg = 4;
}
if (share->outputType != "stdout" && share->outputType != "stderr")
{
qInfo() << "img_comp_out = " << share->outputType << " is not valid. must be stdout or stderr only. default set: stderr";
share->outputType = "stderr";
}
if (share->evtMax == 0)
{
qInfo() << "max_events is invalid on the conf file. defaulting to 120";
share->evtMax = 120;
}
if (share->buffPath.isEmpty())
{
share->buffPath = QDir::tempPath() + "/" + QString(APP_TARGET) + "/" + share->camName;
}
else
{
share->buffPath = QDir::cleanPath(share->buffPath);
}
if (share->recPath.isEmpty())
{
share->recPath = "/var/" + QString(APP_TARGET) + "/footage/" + share->camName;
}
else
{
share->recPath = QDir::cleanPath(share->recPath);
}
}
return share->retCode == 0;
}
QString getStatLineFromProc(QProcess *proc)
{
if (proc->state() == QProcess::Running)
{
return "OK ";
}
else if (proc->state() == QProcess::Starting)
{
return "STARTING";
}
else if (proc->error() == QProcess::FailedToStart)
{
return "FAILED ";
}
else if (proc->error() == QProcess::UnknownError)
{
return "STOPPED ";
}
else if (proc->error() == QProcess::Crashed)
{
return "CRASHED ";
}
else if (proc->error() == QProcess::Timedout)
{
return "TIMEOUT ";
}
else if (proc->error() == QProcess::WriteError)
{
return "WR_ERR ";
}
else
{
return "RD_ERR ";
}
}
void setupBuffDir(const QString &path, bool del)
{
if (del)
{
QDir(path).removeRecursively();
}
if (!QFileInfo::exists(path))
{
mkPath(path);
}
if (!QFileInfo::exists(path + "/vid"))
{
mkPath(path + "/vid");
}
if (!QFileInfo::exists(path + "/img"))
{
mkPath(path + "/img");
}
}
QString buildThreadCount(int count)
{
QString ret = "0";
for (auto i = 1; i < count; ++i)
{
ret.append(","); ret.append(QString::number(i));
}
return ret;
}
quint64 byteSize(const QString &path)
{
quint64 ret = 0;
auto fileList = lsFilesInDir(path);
for (auto name : fileList)
{
auto fullPath = QDir::cleanPath(path) + "/" + name;
if (QFileInfo(fullPath).isDir())
{
ret += byteSize(fullPath);
}
else
{
ret += QFile(fullPath).size();
}
}
return ret;
}
QStringList parseArgs(const QByteArray &data, int maxArgs, int *pos)
{
QStringList ret;
QString arg;
auto line = QString::fromUtf8(data);
auto inDQuotes = false;
auto inSQuotes = false;
auto escaped = false;
if (pos != nullptr) *pos = 0;
for (int i = 0; i < line.size(); ++i)
{
if (pos != nullptr) *pos += 1;
if ((line[i] == '\'') && !inDQuotes && !escaped)
{
// single quote '
inSQuotes = !inSQuotes;
}
else if ((line[i] == '\"') && !inSQuotes && !escaped)
{
// double quote "
inDQuotes = !inDQuotes;
}
else
{
escaped = false;
if (line[i].isSpace() && !inDQuotes && !inSQuotes)
{
// space
if (!arg.isEmpty())
{
ret.append(arg);
arg.clear();
}
}
else
{
if ((line[i] == '\\') && ((i + 1) < line.size()))
{
if ((line[i + 1] == '\'') || (line[i + 1] == '\"'))
{
escaped = true;
}
else
{
arg.append(line[i]);
}
}
else
{
arg.append(line[i]);
}
}
}
if ((ret.size() >= maxArgs) && (maxArgs != -1))
{
break;
}
}
if (!arg.isEmpty() && !inDQuotes && !inSQuotes)
{
ret.append(arg);
}
return ret;
}

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#ifndef COMMON_H
#define COMMON_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include <QCoreApplication>
#include <QProcess>
#include <QTextStream>
#include <QObject>
#include <QDir>
#include <QFile>
#include <QDateTime>
#include <QThread>
#include <QTimer>
#include <QStringList>
#include <QMutex>
#include <QRegularExpression>
#include <QFileSystemWatcher>
#include <QDebug>
#include <QElapsedTimer>
#include <iostream>
using namespace std;
#define APP_VERSION "1.3"
#define APP_NAME "JustMotion"
#define APP_TARGET "jmotion"
#define DATETIME_FMT "yyyyMMddhhmm"
#define STRFTIME_FMT "%Y%m%d%H%M"
#define PREV_IMG "&prev&"
#define NEXT_IMG "&next&"
struct shared_t
{
QStringList recList;
QString conf;
QString recordUri;
QString detectUri;
QString buffPath;
QString postCmd;
QString camName;
QString recPath;
QString outputType;
QString compCmd;
QString vidCodec;
QString audCodec;
QString streamExt;
QString imgExt;
QString thumbExt;
QString recScale;
bool grayImg;
int evtMax;
int liveMins;
int liveClipSecs;
int recFps;
int secPerImg;
int postSecs;
int imgThresh;
int retCode;
};
QString getStatLineFromProc(QProcess *proc);
QString buildThreadCount(int count);
QStringList lsFilesInDir(const QString &path, const QString &ext = QString());
QStringList lsDirsInDir(const QString &path);
QStringList parseArgs(const QByteArray &data, int maxArgs, int *pos = nullptr);
quint64 byteSize(const QString &path);
bool rdConf(const QString &filePath, shared_t *share);
bool mkPath(const QString &path);
void setupBuffDir(const QString &path, bool del = false);
void rdLine(const QString &param, const QString &line, QString *value);
void rdLine(const QString &param, const QString &line, int *value);
void rdLine(const QString &param, const QString &line, quint64 *value);
void rdLine(const QString &param, const QString &line, bool *value);
void extCorrection(QString &ext);
#endif // COMMON_H

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "detect_loop.h"
DetectLoop::DetectLoop(shared_t *sharedRes, QThread *thr, QObject *parent) : QProcess(parent)
{
pcTimer = 0;
starvCnt = 0;
shared = sharedRes;
rerun = false;
connect(thr, &QThread::started, this, &DetectLoop::init);
connect(thr, &QThread::finished, this, &DetectLoop::deleteLater);
moveToThread(thr);
}
DetectLoop::~DetectLoop()
{
terminate();
stopTimers();
waitForFinished();
}
void DetectLoop::init()
{
pcTimer = new QTimer(this);
evtTimer = new QTimer(this);
detTimer = new QTimer(this);
mkdirTimer = new QTimer(this);
postProc = new QProcess(this);
setupBuffDir(shared->buffPath);
pcTimer->setInterval(shared->postSecs * 1000);
mkdirTimer->setInterval(60000);
detTimer->setInterval((shared->secPerImg * 2) * 1000);
evtTimer->setInterval(60000);
evtTimer->setSingleShot(true);
connect(pcTimer, &QTimer::timeout, this, &DetectLoop::pcBreak);
connect(detTimer, &QTimer::timeout, this, &DetectLoop::exec);
connect(mkdirTimer, &QTimer::timeout, this, &DetectLoop::mkdirs);
connect(this, &DetectLoop::started, this, &DetectLoop::startTimers);
connect(this, &DetectLoop::finished, this, &DetectLoop::stopTimers);
}
void DetectLoop::startTimers()
{
pcTimer->start();
detTimer->start();
mkdirTimer->start();
}
void DetectLoop::stopTimers()
{
starvCnt = 0;
pcTimer->stop();
detTimer->stop();
mkdirTimer->stop();
evtTimer->stop();
if (rerun)
{
rerun = false;
run();
}
}
void DetectLoop::mkdirs()
{
auto timeStamp = QDateTime::currentDateTime();
auto path1 = shared->buffPath + "/img/" + timeStamp.toString(DATETIME_FMT);
timeStamp = timeStamp.addSecs(60);
auto path2 = shared->buffPath + "/img/" + timeStamp.toString(DATETIME_FMT);
if (!QFileInfo(path1).exists()) QDir().mkpath(path1);
if (!QFileInfo(path2).exists()) QDir().mkpath(path2);
}
QString DetectLoop::camCmdFromConf()
{
auto ret = "ffmpeg -hide_banner -y -i '" + shared->detectUri + "' -strftime 1 -strftime_mkdir 1 ";
if (shared->detectUri.contains("rtsp"))
{
ret += "-rtsp_transport udp ";
}
ret += "-vf fps=1/" + QString::number(shared->secPerImg);
if (shared->grayImg)
{
ret += ",format=gray ";
}
else
{
ret += " ";
}
ret += "img/" + QString(STRFTIME_FMT) + "/%S" + shared->imgExt;
qInfo() << ret;
return ret;
}
void DetectLoop::pcBreak()
{
if (!shared->postCmd.isEmpty())
{
qInfo() << "---POST_BREAK---";
if (evtTimer->isActive())
{
qInfo() << "motion detected, skipping the post command.";
}
else if (postProc->state() == QProcess::Running)
{
qInfo() << "previous post command is still running.";
qInfo() << "attempting to force close it.";
postProc->terminate();
}
else
{
qInfo() << "no motion detected, running post command: " << shared->postCmd;
auto args = parseArgs(shared->postCmd.toUtf8(), -1);
if (args.isEmpty())
{
qCritical() << "err: did not parse an executable from the post command line.";
}
else
{
postProc->start(args[0], args.mid(1));
}
}
}
}
float DetectLoop::getFloatFromExe(const QByteArray &line)
{
QString strLine(line);
QString strNum;
for (auto chr : strLine)
{
if (chr.isDigit() || (chr == '.'))
{
strNum.append(chr);
}
else
{
break;
}
}
auto ok = false;
auto res = strNum.toFloat(&ok);
if (!ok || strNum.isEmpty())
{
qCritical() << "err: the image comp command returned unexpected output that couldn't be converted to float";
qCritical() << " raw output: " << line;
}
return res;
}
QString DetectLoop::statusLine()
{
if (starvCnt >= STARV_LIMIT)
{
return "STARVING";
}
else if (shared->compCmd == "null")
{
return "OFF ";
}
else
{
return getStatLineFromProc(this);
}
}
void DetectLoop::run()
{
auto cmdLine = camCmdFromConf();
auto args = parseArgs(cmdLine.toUtf8(), -1);
//qInfo() << "start image extraction command: " << cmdLine;
if (args.isEmpty())
{
qCritical() << "err: couldn't parse a program name from detectloop cmd: '" << cmdLine << "'";
}
else if (state() == QProcess::Running)
{
rerun = true; terminate();
}
else
{
setWorkingDirectory(shared->buffPath);
setProgram(args[0]);
setArguments(args.mid(1));
mkdirs();
start();
}
}
QStringList DetectLoop::buildArgs(const QString &prev, const QString &next)
{
auto args = parseArgs(shared->compCmd.toUtf8(), -1);
for (auto i = 0; i < args.size(); ++i)
{
if (args[i] == PREV_IMG) args[i] = prev;
if (args[i] == NEXT_IMG) args[i] = next;
}
return args;
}
void DetectLoop::exec()
{
if (starvCnt >= STARV_LIMIT)
{
if (detTimer->isActive())
{
emit starving();
}
}
else
{
auto timeStamp = QDateTime::currentDateTime().toString(DATETIME_FMT);
auto path = shared->buffPath + "/img/" + timeStamp;
auto imgList = lsFilesInDir(path, shared->imgExt);
if (imgList.size() >= 2)
{
starvCnt = 0;
if ((shared->compCmd != "null") && (postProc->state() != QProcess::Running))
{
auto imgA = path + "/" + imgList[imgList.size() - 2];
auto imgB = path + "/" + imgList[imgList.size() - 1];
auto compArgs = buildArgs(imgA, imgB);
if (compArgs.isEmpty())
{
qCritical() << "err: could not parse a executable name from img_comp_cmd: " << shared->compCmd;
}
else
{
QProcess extComp;
extComp.start(compArgs[0], compArgs.mid(1));
extComp.waitForFinished();
float score = 0;
if (shared->outputType == "stdout")
{
score = getFloatFromExe(extComp.readAllStandardOutput());
}
else
{
score = getFloatFromExe(extComp.readAllStandardError());
}
qInfo() << compArgs.join(" ") << " --result: " << QString::number(score);
if (score >= shared->imgThresh)
{
emit eventInfo(timeStamp, imgB, score);
qInfo() << "event_info: " << timeStamp << " image - " << imgB;
if (!evtTimer->isActive())
{
evtTimer->start();
}
}
}
}
}
else
{
starvCnt++;
}
}
}

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#ifndef DETECT_LOOP_H
#define DETECT_LOOP_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
#define STARV_LIMIT 24
class DetectLoop : public QProcess
{
Q_OBJECT
private:
QTimer *pcTimer;
QTimer *evtTimer;
QTimer *detTimer;
QTimer *mkdirTimer;
shared_t *shared;
QProcess *postProc;
uint starvCnt;
bool rerun;
float getFloatFromExe(const QByteArray &line);
QString camCmdFromConf();
QStringList buildArgs(const QString &prev, const QString &next);
private slots:
void exec();
void init();
void pcBreak();
void mkdirs();
void startTimers();
void stopTimers();
public slots:
void run();
public:
explicit DetectLoop(shared_t *shared, QThread *thr, QObject *parent = nullptr);
~DetectLoop();
QString statusLine();
signals:
void starving();
void eventInfo(const QString &timestamp, const QString &img, int score);
};
#endif // DETECT_LOOP_H

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "event_loop.h"
EventItem::EventItem(shared_t *sharedRes, const QString &timeStamp, const QString &thumb, int currScore, QObject *parent) : QObject(parent)
{
shared = sharedRes;
thumbnail = thumb;
maxScore = currScore;
itemLife = new QTimer(this);
connect(itemLife, &QTimer::timeout, this, &EventItem::wroutThenDie);
setObjectName(timeStamp);
itemLife->setSingleShot(true);
itemLife->setInterval(80000);
itemLife->start();
}
void EventItem::eventInfo(const QString &timeStamp, const QString &imgPath, int score)
{
if (timeStamp == objectName())
{
if (score > maxScore)
{
thumbnail = imgPath;
maxScore = score;
}
}
}
void EventItem::wroutThenDie()
{
auto srcVidPath = shared->buffPath + "/vid/" + objectName();
auto dstVidPath = shared->recPath + "/" + shared->camName + "-" + objectName();
auto dstImgPath = dstVidPath + "/thumb" + shared->thumbExt;
auto vidList = lsFilesInDir(srcVidPath, shared->streamExt);
mkPath(dstVidPath);
qInfo() << "writing out event: " << objectName();
qInfo() << " --src path: " << srcVidPath;
qInfo() << " --dst path: " << dstVidPath;
QFile concatFile(dstVidPath + "/concat.txt", this);
auto concatAmount = 0;
if (concatFile.open(QFile::WriteOnly))
{
for (auto name : vidList)
{
auto path = srcVidPath + "/" + name;
qInfo() << "src video file: " + name;
if (QFileInfo::exists(path))
{
concatFile.write(QByteArray("file '") + path.toUtf8() + QByteArray("'\n"));
concatAmount++;
}
else
{
qInfo() << "concat warning: file - " << path << " no longer exists";
}
}
}
qInfo() << "src image file: " << thumbnail;
concatFile.close();
if (concatAmount == 0)
{
qCritical() << "err: none of the source video files exist, event write out failed.";
}
else if (!QFileInfo::exists(thumbnail))
{
qCritical() << "err: source image file does not exist, event write out failed.";
}
else
{
QStringList concatArgs;
concatArgs << "-f";
concatArgs << "concat";
concatArgs << "-safe";
concatArgs << "0";
concatArgs << "-i";
concatArgs << concatFile.fileName();
concatArgs << "-c";
concatArgs << "copy";
concatArgs << dstVidPath + "/video" + shared->streamExt;
QProcess::execute("ffmpeg", concatArgs);
if (thumbnail.endsWith(shared->thumbExt))
{
QFile::copy(thumbnail, dstImgPath);
}
else
{
QStringList args;
args << thumbnail;
args << dstImgPath;
QProcess::execute("convert", args);
}
concatFile.remove();
// maintain max byte size of the recording path.
auto names = lsDirsInDir(shared->recPath);
for (auto i = 0; (names.size() >= shared->evtMax); ++i)
{
auto vidDir = shared->recPath + "/" + names[0];
QDir(vidDir).removeRecursively();
names.removeFirst();
if (i > 100)
{
// loop through 100 times before breaking the for loop, prevents infinte looping
// if there is a lot to delete (don't want to keep EventItem busy doing this for
// too long).
break;
}
}
}
deleteLater();
}
EventLoop::EventLoop(shared_t *sharedRes, QThread *thr, QObject *parent) : QObject(parent)
{
shared = sharedRes;
heartBeat = 3;
loopTimer = 0;
connect(thr, &QThread::finished, this, &EventLoop::deleteLater);
connect(thr, &QThread::started, this, &EventLoop::init);
moveToThread(thr);
}
void EventLoop::init()
{
loopTimer = new QTimer(this);
connect(loopTimer, &QTimer::timeout, this, &EventLoop::exec);
loopTimer->setSingleShot(false);
loopTimer->start(heartBeat * 1000);
}
void EventLoop::eventInfo(const QString &timeStamp, const QString &thumb, int score)
{
if (!evtList.contains(timeStamp))
{
qInfo() << "creating new event: " << timeStamp;
evtList.append(timeStamp);
auto evt = new EventItem(shared, timeStamp, thumb, score, this);
connect(this, &EventLoop::eventInfoRelay, evt, &EventItem::eventInfo);
if (evtList.size() >= MAX_EVT_HIST)
{
evtList.removeFirst();
}
}
else
{
qInfo() << "adding to existing event: " << timeStamp;
emit eventInfoRelay(timeStamp, thumb, score);
}
}
void EventLoop::exec()
{
// maintain max live vid clips worth of img files on the buffer folder.
auto names = lsDirsInDir(shared->buffPath + "/img");
if (names.size() > shared->liveMins)
{
QDir(shared->buffPath + "/img/" + names[0]).removeRecursively();
names.removeFirst();
}
// maintain max live vid clips worth of video files in the vid buffer folder.
names = lsDirsInDir(shared->buffPath + "/vid");
if (names.size() > shared->liveMins)
{
QDir(shared->buffPath + "/vid/" + names[0]).removeRecursively();
names.removeFirst();
}
}

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#ifndef EVENT_LOOP_H
#define EVENT_LOOP_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
#define MAX_EVT_HIST 300
class EventItem : public QObject
{
Q_OBJECT
private:
shared_t *shared;
QTimer *itemLife;
int maxScore;
QString thumbnail;
private slots:
void wroutThenDie();
public slots:
void eventInfo(const QString &timeStamp, const QString &imgPath, int score);
public:
explicit EventItem(shared_t *sharedRes, const QString &timeStamp, const QString &thumb, int currScore, QObject *parent = nullptr);
};
class EventLoop : public QObject
{
Q_OBJECT
public slots:
void eventInfo(const QString &timeStamp, const QString &thumb, int score);
private slots:
void exec();
void init();
private:
shared_t *shared;
QStringList evtList;
QTimer *loopTimer;
int heartBeat;
public:
explicit EventLoop(shared_t *sharedRes, QThread *thr, QObject *parent = nullptr);
signals:
void eventInfoRelay(const QString &timestamp, const QString &img, int score);
};
#endif // EVENT_LOOP_H

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
#include "camera.h"
#include "proc_control.h"
void showHelp(const QString etcDir)
{
QTextStream(stdout) << APP_NAME << " " << APP_VERSION << Qt::endl << Qt::endl;
QTextStream(stdout) << "Usage: " << APP_TARGET << " <argument>" << Qt::endl << Qt::endl;
QTextStream(stdout) << "-h : display usage information about this application." << Qt::endl;
QTextStream(stdout) << "-d : all valid config files found in " << etcDir << " will be used to" << Qt::endl;
QTextStream(stdout) << " create camera instances. (this is blocking, meant to run with systemd)" << Qt::endl;
QTextStream(stdout) << "-v : display the current version." << Qt::endl;
QTextStream(stdout) << "-u : uninstall the entire server from your system, including the service. all" << Qt::endl;
QTextStream(stdout) << " recorded footage and config files will remain." << Qt::endl;
QTextStream(stdout) << "-f : force an action without pausing for user confirmation." << Qt::endl;
QTextStream(stdout) << "-l : view the status of all camera instances." << Qt::endl;
QTextStream(stdout) << "-q : kill all camera instances." << Qt::endl;
QTextStream(stdout) << "-s : same as -d except it is non-blocking for starting all camera instances" << Qt::endl;
QTextStream(stdout) << " via systemd. same as 'sudo systemctl start " << APP_TARGET << "'" << Qt::endl;
}
int main(int argc, char** argv)
{
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(APP_NAME);
QCoreApplication::setApplicationVersion(APP_VERSION);
auto args = QCoreApplication::arguments();
auto etcDir = "/etc/" + QString(APP_TARGET);
auto tmpDir = QDir::tempPath() + "/" + QString(APP_TARGET);
auto staDir = tmpDir + "/stats";
auto procFile = tmpDir + "/proc";
auto ret = 0;
if (!QFileInfo::exists(staDir))
{
mkPath(staDir);
}
if (args.contains("-h"))
{
showHelp(etcDir);
}
else if (args.contains("-v"))
{
QTextStream(stdout) << APP_VERSION << Qt::endl;
}
else if (args.contains("-d"))
{
auto confs = lsFilesInDir(etcDir);
auto proc = new ProcControl(procFile, staDir, &app);
if (!proc->init())
{
ret = EACCES;
}
else
{
for (auto &&conf : confs)
{
new Camera(etcDir + "/" + conf, staDir, proc, &app);
}
ret = app.exec();
}
}
else if (args.contains("-u"))
{
if (args.contains("-f"))
{
ret = QProcess::execute("sudo /opt/" + QString(APP_TARGET) + "/uninstall.sh", QStringList());
}
else
{
char ans;
std::cout << "This will completely uninstall " << APP_NAME << " from your system. continue y/n? ";
std::cin >> ans;
if (ans == 'y' || ans == 'Y')
{
ret = QProcess::execute("sudo /opt/" + QString(APP_TARGET) + "/uninstall.sh", QStringList());
}
}
}
else if (args.contains("-l"))
{
auto statFiles = lsFilesInDir(staDir);
for (auto &&statFile: statFiles)
{
QFile file(staDir + "/" + statFile);
file.open(QFile::ReadOnly);
std::cout << file.readAll().data();
file.close();
}
}
else if (args.contains("-q"))
{
QFile::remove(procFile);
QThread::currentThread()->sleep(5);
}
else if (args.contains("-s"))
{
QProcess::execute("sudo systemctl start " + QString(APP_TARGET));
}
else
{
showHelp(etcDir);
}
return ret;
}

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "proc_control.h"
ProcControl::ProcControl(const QString &procFile, const QString &statDir, QCoreApplication *parent) : QObject(parent)
{
fsMon = new QFileSystemWatcher(this);
file = procFile;
statPath = statDir;
closeOnZero = false;
objCount = 0;
connect(fsMon, &QFileSystemWatcher::fileChanged, this, &ProcControl::procFileUpdated);
}
bool ProcControl::init()
{
auto ret = false;
if (!QFileInfo::exists(file))
{
QFile fObj(file);
if (!fObj.open(QFile::WriteOnly))
{
QTextStream(stderr) << "err: Failed to open process control file for writing: " << file << " reason: " << fObj.errorString();
}
else
{
fObj.write("##");
fObj.close();
ret = true;
}
}
else
{
QTextStream(stdout) << "wrn: " << file << " already exists so it will be removed, this will cause any other existing instance to close.";
if (!QFile::remove(file))
{
QTextStream(stderr) << "err: Failed to remove process control file: " << file << " check permissions.";
}
else
{
thread()->sleep(3);
ret = init();
}
}
if (ret)
{
fsMon->addPath(file);
}
return ret;
}
void ProcControl::procFileUpdated(const QString &path)
{
fsMon->removePath(path);
QFile::remove(path);
closeApp();
}
void ProcControl::closeApp()
{
if (objCount == 0)
{
QDir(statPath).removeRecursively();
QCoreApplication::instance()->quit();
}
else
{
closeOnZero = true;
emit prepForClose();
}
}
void ProcControl::objPlusOne()
{
objCount++;
}
void ProcControl::objMinusOne()
{
objCount--;
if (closeOnZero && (objCount == 0))
{
closeApp();
}
}

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#ifndef PROC_CONTROL_H
#define PROC_CONTROL_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
class ProcControl : public QObject
{
Q_OBJECT
private:
QFileSystemWatcher *fsMon;
QString file;
QString statPath;
bool closeOnZero;
uint objCount;
private slots:
void procFileUpdated(const QString &path);
void closeApp();
public:
explicit ProcControl(const QString &procFile, const QString &statDir, QCoreApplication *parent);
void objPlusOne();
bool init();
public slots:
void objMinusOne();
signals:
void prepForClose();
};
#endif // PROC_CONTROL_H

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// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "record_loop.h"
RecordLoop::RecordLoop(shared_t *sharedRes, QThread *thr, QObject *parent) : QProcess(parent)
{
checkTimer = 0;
shared = sharedRes;
connect(thr, &QThread::started, this, &RecordLoop::init);
connect(thr, &QThread::finished, this, &RecordLoop::deleteLater);
connect(this, &RecordLoop::readyReadStandardOutput, this, &RecordLoop::resetTime);
connect(this, &RecordLoop::readyReadStandardError, this, &RecordLoop::resetTime);
connect(this, &RecordLoop::started, this, &RecordLoop::resetTime);
connect(this, &RecordLoop::finished, this, &RecordLoop::restart);
moveToThread(thr);
}
RecordLoop::~RecordLoop()
{
disconnect(this, &RecordLoop::finished, this, &RecordLoop::restart);
terminate();
waitForFinished();
}
void RecordLoop::init()
{
checkTimer = new QTimer(this);
mkdirTimer = new QTimer(this);
sync = false;
connect(checkTimer, &QTimer::timeout, this, &RecordLoop::restart);
connect(mkdirTimer, &QTimer::timeout, this, &RecordLoop::mkdirs);
connect(this, &RecordLoop::finished, mkdirTimer, &QTimer::stop);
connect(this, &RecordLoop::finished, checkTimer, &QTimer::stop);
mkdirTimer->setInterval(60000);
checkTimer->setInterval(60000);
// stall timeout. ffmpeg has a tendency to just 'stop.' meaning it would just stop
// reording at random times without stop signals or even error messages. this timer,
// monitors for any text output from ffmpeg. if no updates in 60000 msecs, it will
// automatically restart ffmpeg.
setupBuffDir(shared->buffPath);
restart();
}
void RecordLoop::mkdirs()
{
auto timeStamp = QDateTime::currentDateTime();
auto path1 = shared->buffPath + "/vid/" + timeStamp.toString(DATETIME_FMT);
timeStamp = timeStamp.addSecs(60);
auto path2 = shared->buffPath + "/vid/" + timeStamp.toString(DATETIME_FMT);
if (!QFileInfo(path1).exists()) QDir().mkpath(path1);
if (!QFileInfo(path2).exists()) QDir().mkpath(path2);
}
QString RecordLoop::camCmdFromConf()
{
auto ret = "ffmpeg -hide_banner -y -i '" + shared->recordUri + "' -strftime 1 -strftime_mkdir 1 ";
if (shared->recordUri.contains("rtsp"))
{
ret += "-rtsp_transport udp ";
}
if (shared->vidCodec != "copy")
{
ret += "-vf fps=" + QString::number(shared->recFps) + ",scale=" + shared->recScale + " ";
}
auto maxClips = (60 / shared->liveClipSecs) * shared->liveMins;
ret += "-vcodec " + shared->vidCodec + " ";
ret += "-acodec " + shared->audCodec + " ";
ret += "-hls_time " + QString::number(shared->liveClipSecs) + " -hls_list_size " + QString::number(maxClips) + " ";
ret += "-hls_flags delete_segments -hls_segment_filename vid/" + QString(STRFTIME_FMT) + "/%S" + shared->streamExt + " ";
ret += "pls.m3u8";
qInfo() << ret;
return ret;
}
QString RecordLoop::statusLine()
{
if (!sync)
{
return "WAIT ";
}
else
{
return getStatLineFromProc(this);
}
}
void RecordLoop::synced()
{
sync = true;
restart();
}
void RecordLoop::resetTime()
{
// reset the stall timer to prevent it from timing out when ffmpeg doesn't
// need to be restarted.
checkTimer->start();
}
void RecordLoop::restart()
{
auto sec = QTime::currentTime().second();
if (state() == QProcess::Running)
{
terminate();
}
else if (!sync && (sec != 0))
{
// start recording when the seconds mark hit zero in real life.
QTimer::singleShot((60 - sec) * 1000, this, &RecordLoop::synced);
}
else
{
auto cmdLine = camCmdFromConf();
auto args = parseArgs(cmdLine.toUtf8(), -1);
//qInfo() << "start recording command: " << cmdLine;
if (args.isEmpty())
{
qCritical() << "err: couldn't parse a program name";
}
else
{
setWorkingDirectory(shared->buffPath);
setProgram(args[0]);
setArguments(args.mid(1));
mkdirs();
mkdirTimer->start();
start();
}
}
}

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#ifndef RECORD_LOOP_H
#define RECORD_LOOP_H
// This file is part of JustMotion.
// JustMotion is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// JustMotion 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.
#include "common.h"
class RecordLoop : public QProcess
{
Q_OBJECT
private slots:
void init();
void resetTime();
void mkdirs();
private:
shared_t *shared;
QTimer *checkTimer;
QTimer *mkdirTimer;
bool sync;
QString camCmdFromConf();
QString nearest15mins(QString &sec);
public slots:
void restart();
void synced();
public:
explicit RecordLoop(shared_t *shared, QThread *thr, QObject *parent = nullptr);
~RecordLoop();
QString statusLine();
};
#endif // RECORD_LOOP_H

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#!/bin/sh
export QTDIR=$install_dir
export QT_PLUGIN_PATH=$install_dir
export LD_LIBRARY_PATH=$install_dir/lib
$install_dir/$app_target $1 $2 $3

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[Unit]
Description=$app_name Daemon
After=network.target
[Service]
Type=simple
User=$app_target
Restart=on-failure
RestartSec=5
TimeoutStopSec=infinity
ExecStart=/usr/bin/env $app_target -d
ExecStop=/usr/bin/env $app_target -q
[Install]
WantedBy=multi-user.target

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#!/bin/sh
systemctl stop $app_target
systemctl disable $app_target
rm -v /lib/systemd/system/$app_target.service
rm -v /usr/bin/$app_target
rm -rv /tmp/$app_target-stats
rm -rv $install_dir
deluser $app_target
echo "Uninstallation Complete"