initial commit

CMakeLists.txt

@@ -0,0 +1,96 @@
+cmake_minimum_required(VERSION 3.20)
+set(PROJ loccorr)
+set(MAJOR_VERSION "0")
+set(MID_VERSION "0")
+set(MINOR_VERSION "1")
+set(VERSION "${MAJOR_VERSION}.${MID_VERSION}.${MINOR_VERSION}")
+
+project(${PROJ} VERSION ${VERSION} LANGUAGES C)
+message("\n\nPlease, check current version: ${VERSION}\n\n")
+
+# list of options
+# three-state DEBUG option
+set(DEBUG OFF CACHE STRING "Debug mode: on/part/off (full debug, release with debug info, full release)")
+set_property(CACHE DEBUG PROPERTY STRINGS PART ON OFF)
+#option(DEBUG "Compile in debug mode" OFF)
+option(LCDUMMY "Dummy local corrector plugin" ON)
+option(TELDUMMY "Dummy telescope plugin" ON)
+
+# here is one of two variants: all .c in directory or .c files in list
+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR} SOURCES)
+
+# default flags
+message("\n\nDIR: ${CMAKE_CURRENT_SOURCE_DIR}\n\n")
+# fmacro-prefix-map: https://stackoverflow.com/a/53848526/1965803  - replace full path with short
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -W -Wextra -fno-builtin-strlen -fmacro-prefix-map=\"${CMAKE_CURRENT_SOURCE_DIR}\"/=\"\" ")
+
+message("Check install dir prefix: ${CMAKE_INSTALL_PREFIX}")
+
+add_definitions(-D_XOPEN_SOURCE=1234 -D_DEFAULT_SOURCE -D_GNU_SOURCE
+        -DPACKAGE_VERSION=\"${VERSION}\" -DMINOR_VERSION=\"${MINOR_VERSION}\"
+        -DMID_VERSION=\"${MID_VERSION}\" -DMAJOR_VERSION=\"${MAJOR_VESION}\")
+
+set(CMAKE_COLOR_MAKEFILE ON)
+
+# cmake -DDEBUG=on/part/off -> debug / release with debug info / release
+if(DEBUG STREQUAL "PART") # part
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -march=native -fdata-sections -ffunction-sections -flto=auto")
+    add_definitions(-DEBUG)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -flto=auto")
+    set(CMAKE_BUILD_TYPE RelWithDebInfo)
+    set(CMAKE_VERBOSE_MAKEFILE "ON")
+elseif(DEBUG) # on
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Og -g3 -ggdb -Werror")
+    add_definitions(-DEBUG)
+    set(CMAKE_BUILD_TYPE Debug)
+    set(CMAKE_VERBOSE_MAKEFILE "ON")
+else() # off
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -march=native -fdata-sections -ffunction-sections -flto=auto")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -flto=auto")
+    set(CMAKE_BUILD_TYPE Release)
+endif()
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
+#find_package(CFITSIO REQUIRED)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(${PROJ} REQUIRED usefull_macros improc ccdcapture)
+
+include(FindOpenMP)
+if(OPENMP_FOUND)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+    add_definitions(-DOMP_FOUND)
+endif()
+
+# Dummy plugins
+if(LCDUMMY)
+    add_subdirectory(Dummy_loccorr)
+endif()
+if(TELDUMMY)
+    add_subdirectory(Dummy_telescope)
+endif()
+
+# exe & lib files; install
+include(GNUInstallDirs)
+#add_library(${PROJLIB} SHARED ${LIBSRC})
+add_executable(${PROJ} ${SOURCES})
+target_link_libraries(${PROJ} ${${PROJ}_LIBRARIES} -lm ${CMAKE_DL_LIBS})
+#target_link_libraries(${PROJLIB} ${CFITSIO_LIBRARIES} ${${PROJLIB}_LIBRARIES})
+include_directories(${${PROJ}_INCLUDE_DIRS} .)
+link_directories(${${PROJ}_LIBRARY_DIRS} )
+set(PCFILE "${CMAKE_BINARY_DIR}/${PROJLIB}.pc")
+#configure_file("${PROJLIB}.pc.in" ${PCFILE} @ONLY)
+#set_target_properties(${PROJLIB} PROPERTIES VERSION ${VERSION})
+#set_target_properties(${PROJLIB} PROPERTIES PUBLIC_HEADER ${LIBHEADER})
+
+# Installation of the program
+include(GNUInstallDirs)
+install(TARGETS ${PROJ}
+    #LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+#install(TARGETS ${PROJ} DESTINATION "bin")
+#install(TARGETS ${PROJLIB} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+#        PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+#install(TARGETS PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+#install(FILES ${PCFILE} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig)

Dummy_loccorr/CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.20)
+set(EXTLIB lcdummy)
+
+SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(${EXTLIB} REQUIRED usefull_macros)
+
+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR} SRC)
+include_directories(${${EXTLIB}_INCLUDE_DIRS} ..)
+link_directories(${${EXTLIB}_LIBRARY_DIRS})
+
+add_library(${EXTLIB} SHARED ${SRC})
+target_link_libraries(${EXTLIB} ${${EXTLIB}_LIBRARIES} -fPIC)
+install(TARGETS ${EXTLIB} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

Dummy_loccorr/main.c

@@ -0,0 +1,28 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "corrdevice.h"
+#include <stdio.h>
+
+void test(){
+    printf("Dummy local corrector tested\n");
+}
+
+__attribute__ ((visibility("default"))) corrdev_t device = {
+    .testdevice = test,
+};

Dummy_telescope/CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.20)
+set(EXTLIB teldummy)
+
+SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(${EXTLIB} REQUIRED usefull_macros)
+
+aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR} SRC)
+include_directories(${${EXTLIB}_INCLUDE_DIRS} ..)
+link_directories(${${EXTLIB}_LIBRARY_DIRS})
+
+add_library(${EXTLIB} SHARED ${SRC})
+target_link_libraries(${EXTLIB} ${${EXTLIB}_LIBRARIES} -fPIC)
+install(TARGETS ${EXTLIB} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

Dummy_telescope/main.c

@@ -0,0 +1,28 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "corrdevice.h"
+#include <stdio.h>
+
+void test(){
+    printf("Dummy telescope tested\n");
+}
+
+__attribute__ ((visibility("default"))) corrdev_t device = {
+    .testdevice = test,
+};

cmdlnopts.c

@@ -0,0 +1,99 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <usefull_macros.h>
+
+#include "cmdlnopts.h"
+
+static int help;
+
+//            DEFAULTS
+// default global parameters
+glob_pars Glob_pars = {
+    .captkey = -1,
+};
+
+// need this to proper work with only-long args
+//#define NA  (-__COUNTER__)
+// TODO: fix the bug in usefull_macros first!!!
+#define NA (0)
+
+/*
+ * Define command line options by filling structure:
+ *  name    has_arg flag    val     type        argptr          help
+*/
+myoption cmdlnopts[] = {
+    {"lcplugin",NEED_ARG,   NULL,   'L',    arg_string, APTR(&Glob_pars.lcplugin),  "local corrector plugin (e.g liblcesprif.so)"},
+    {"telplugin", NEED_ARG, NULL,   'T',    arg_string, APTR(&Glob_pars.telplugin), "telescope plugin (e.g. libbtaacs.so)"},
+    {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&help),                "show this help"},
+    {"verbose", NO_ARGS,    NULL,   'V',    arg_none,   APTR(&Glob_pars.verbose),   "verbose level (-V - messages, -VV - debug, -VVV - all shit)"},
+    {"logfile", NEED_ARG,   NULL,   'l',    arg_string, APTR(&Glob_pars.logfile),   "logging file name (if run as server)"},
+    {"fitshead",NEED_ARG,   NULL,   'H',    arg_string, APTR(&Glob_pars.lcheader),  "output FITS header with loccorr information"},
+    {"path",    NEED_ARG,   NULL,   NA,     arg_string, APTR(&Glob_pars.path),      "UNIX socket name (command socket)"},
+    {"port",    NEED_ARG,   NULL,   'p',    arg_string, APTR(&Glob_pars.port),      "INET command socket port (can't be both UNIX and INET)"},
+    {"imageport",NEED_ARG,  NULL,   NA,     arg_string, APTR(&Glob_pars.jpegport),  "INET JPEG socket port"},
+    {"outfile", NEED_ARG,   NULL,   'o',    arg_string, APTR(&Glob_pars.jpegfile),  "output JPEG image file name"},
+    {"shmkey",  NEED_ARG,   NULL,   'k',    arg_int,    APTR(&Glob_pars.captkey),   "image SHM key of capture process"},
+    {"cport",   NEED_ARG,   NULL,   NA,     arg_string, APTR(&Glob_pars.captcmdport),"INET command socket port of capture process"},
+    {"cpath",   NEED_ARG,   NULL,   NA,     arg_string, APTR(&Glob_pars.captpath),  "UNIX command socket path or address of image capture server"},
+    {"ciport",  NEED_ARG,   NULL,   NA,     arg_string, APTR(&Glob_pars.captimport),"INET image socket port of capture process"},
+    {"unix",    NO_ARGS,    NULL,   'U',    arg_int,    APTR(&Glob_pars.cisun),     "capture command channel is UNIX socket"},
+    //{"",  NEED_ARG,   NULL,   '',    arg_double,   APTR(&Glob_pars.),    N_("")},
+    end_option
+};
+
+/**
+ * Parse command line options and return dynamically allocated structure
+ *      to global parameters
+ * @param argc - copy of argc from main
+ * @param argv - copy of argv from main
+ * @return allocated structure with global parameters
+ */
+void parse_args(int argc, char **argv){
+    // format of help: "Usage: progname [args]\n"
+    change_helpstring("Version: " PACKAGE_VERSION "\nTo restart server kill it with SIGUSR1\n\nUsage: %s [args]\n\twhere args are:\n");
+    // parse arguments
+    parseargs(&argc, &argv, cmdlnopts);
+    if(help) showhelp(-1, cmdlnopts);
+    DBG("argc=%d", argc);
+    if(argc > 0){
+        WARNX("%d unused parameter[s]:", argc);
+        for(int i = 0; i < argc; ++i)
+            fprintf(stderr, "%4d: %s\n", i, argv[i]);
+        WARNX("Fix command line and run again");
+        exit(-1);
+    }
+}
+
+/**
+ * @brief verbose - print additional messages depending of Glob_pars.verbose
+ * @param levl - message level
+ * @param fmt  - message
+ */
+void verbose(int levl, const char *fmt, ...){
+    va_list ar;
+    if(levl > Glob_pars.verbose) return;
+    //printf("%s: ", __progname);
+    va_start(ar, fmt);
+    vprintf(fmt, ar);
+    va_end(ar);
+    printf("\n");
+}

cmdlnopts.h

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <usefull_macros.h>
+
+/*
+ * here are some typedef's for global data
+ */
+typedef struct{
+    char *lcplugin;     // local corrector plugin
+    char *telplugin;    // telescope plugin
+    char *logfile;      // when run as server log here
+    char *path;         // UNIX socket name
+    char *port;         // INET socket port
+    char *jpegport;     // port to send/receive jpeg images (by default == port+1)
+    char *jpegfile;     // output file name
+    char *lcheader;     // output FITS header with loccorr information
+    char *captcmdport;  // INET command socket port of capture process
+    char *captpath;     // UNIX command socket path of capture process or image capture server address
+    char *captimport;   // INET image socket port of capture process
+    int cisun;          // capture command channel is UNIX socket
+    int captkey;        // image SHM key of capture process
+    int verbose;        // each '-V' increases it
+} glob_pars;
+
+extern glob_pars Glob_pars;
+
+void parse_args(int argc, char **argv);
+void verbose(int levl, const char *fmt, ...);
+

corrdevice.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+typedef struct{
+    void (*testdevice);
+} corrdev_t;

loccorr.cflags

@@ -0,0 +1 @@
+-std=c17

loccorr.config

@@ -0,0 +1,6 @@
+#define EBUG
+#define OMP_FOUND
+#define _GNU_SOURCE
+#define _XOPEN_SOURCE 666
+#define _DEFAULT_SOURCE
+#define PACKAGE_VERSION "xxx"

loccorr.creator

@@ -0,0 +1 @@
+[General]

loccorr.creator.user

@@ -0,0 +1,186 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE QtCreatorProject>
+<!-- Written by QtCreator 12.0.1, 2024-03-20T17:32:36. -->
+<qtcreator>
+ <data>
+  <variable>EnvironmentId</variable>
+  <value type="QByteArray">{cf63021e-ef53-49b0-b03b-2f2570cdf3b6}</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.ActiveTarget</variable>
+  <value type="qlonglong">0</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.EditorSettings</variable>
+  <valuemap type="QVariantMap">
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+   <value type="bool" key="EditorConfiguration.AutoSpacesForTabs">false</value>
+   <value type="bool" key="EditorConfiguration.CamelCaseNavigation">true</value>
+   <valuemap type="QVariantMap" key="EditorConfiguration.CodeStyle.0">
+    <value type="QString" key="language">Cpp</value>
+    <valuemap type="QVariantMap" key="value">
+     <value type="QByteArray" key="CurrentPreferences">qt2</value>
+    </valuemap>
+   </valuemap>
+   <valuemap type="QVariantMap" key="EditorConfiguration.CodeStyle.1">
+    <value type="QString" key="language">QmlJS</value>
+    <valuemap type="QVariantMap" key="value">
+     <value type="QByteArray" key="CurrentPreferences">QmlJSGlobal</value>
+    </valuemap>
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+   <value type="qlonglong" key="EditorConfiguration.CodeStyle.Count">2</value>
+   <value type="QByteArray" key="EditorConfiguration.Codec">KOI8-R</value>
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+   <value type="int" key="EditorConfiguration.IndentSize">4</value>
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+   <value type="int" key="EditorConfiguration.MarginColumn">80</value>
+   <value type="bool" key="EditorConfiguration.MouseHiding">true</value>
+   <value type="bool" key="EditorConfiguration.MouseNavigation">true</value>
+   <value type="int" key="EditorConfiguration.PaddingMode">1</value>
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+   <value type="int" key="EditorConfiguration.TabKeyBehavior">0</value>
+   <value type="int" key="EditorConfiguration.TabSize">8</value>
+   <value type="bool" key="EditorConfiguration.UseGlobal">true</value>
+   <value type="bool" key="EditorConfiguration.UseIndenter">false</value>
+   <value type="int" key="EditorConfiguration.Utf8BomBehavior">1</value>
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+    <value type="bool" key="AutoTest.Framework.GTest">true</value>
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loccorr.cxxflags

@@ -0,0 +1 @@
+-std=c++17

loccorr.files

@@ -0,0 +1,10 @@
+CMakeLists.txt
+Dummy_loccorr/CMakeLists.txt
+Dummy_loccorr/main.c
+Dummy_telescope/CMakeLists.txt
+Dummy_telescope/main.c
+cmdlnopts.c
+cmdlnopts.h
+corrdevice.h
+loccorrbase.h
+main.c

loccorr.includes

@@ -0,0 +1 @@
+.

loccorrbase.h

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// max & min TCP socket port number
+#define LC_PORTN_MAX   (65535)
+#define LC_PORTN_MIN   (1024)

main.c

@@ -0,0 +1,128 @@
+/*
+ * This file is part of the loccorr project.
+ * Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <sys/prctl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <usefull_macros.h>
+
+#include "cmdlnopts.h"
+#include "loccorrbase.h"
+
+static pid_t childpid = 0;
+
+void signals(int signo){
+    DBG("signo=%d", signo);
+    if(childpid){ // master process
+        if(signo == SIGUSR1){ // kill child
+            kill(childpid, signo);
+            signal(signo, signals);
+            return;
+        }
+        WARNX("Master killed with sig=%d", signo);
+        LOGERR("Master killed with sig=%d", signo);
+        exit(signo);
+    }
+    // slave: make proper suicide
+    if(signo){
+        WARNX("Get signal %d - exit", signo);
+        LOGWARN("Get signal %d - exit", signo);
+    }
+    // do something here
+    DBG("exit(%d)", signo);
+    exit(signo);
+}
+
+// check unix/net socket
+static int chk(char *port, int path, const char *what){
+    if(port){
+        if(path){
+            WARNX("Options `port` and UNIX-socket `path` can't be used together!");
+            return 1;
+        }
+        int p = atoi(port);
+        if(p < LC_PORTN_MIN || p > LC_PORTN_MAX){
+            WARNX("Wrong port value: %d", p);
+            return 1;
+        }
+    }
+    if(!path && !port){
+        WARNX("Point port or path of %s", what);
+        return 1;
+    }
+    return 0;
+}
+
+int main(int argc, char **argv){
+    initial_setup();
+    parse_args(argc, argv);
+    int r = chk(Glob_pars.port, (Glob_pars.path != NULL), "current server");
+    if(r) return r;
+    r = chk(Glob_pars.captcmdport, (Glob_pars.captpath && Glob_pars.cisun), "image capture server (don't forget -U for UNIX-socket)");
+    if(r) return r;
+    if(Glob_pars.captkey == -1 && !Glob_pars.captimport){
+        WARNX("Point port or SHM key of image server");
+        return 2;
+    }
+    if(!Glob_pars.lcplugin && !Glob_pars.telplugin){
+        WARNX("Point local corrector and/or telesope plugin");
+        return 3;
+    }
+    if(Glob_pars.logfile){
+        int lvl = LOGLEVEL_WARN + Glob_pars.verbose;
+        DBG("level = %d", lvl);
+        if(lvl > LOGLEVEL_ANY) lvl = LOGLEVEL_ANY;
+        verbose(1, "Log file %s @ level %d\n", Glob_pars.logfile, lvl);
+        OPENLOG(Glob_pars.logfile, lvl, 1);
+        if(!globlog) WARNX("Can't create log file");
+    }
+    signal(SIGINT, signals);
+    signal(SIGQUIT, signals);
+    signal(SIGABRT, signals);
+    signal(SIGTERM, signals);
+    signal(SIGHUP, SIG_IGN);
+    signal(SIGTSTP, SIG_IGN);
+    signal(SIGUSR1, signals); // restart server
+
+    LOGMSG("Started");
+    DBG("Started");
+#ifndef EBUG
+    unsigned int pause = 5;
+    while(1){
+        childpid = fork();
+        if(childpid){ // master
+            double t0 = dtime();
+            LOGMSG("Created child with pid %d", childpid);
+            wait(NULL);
+            LOGERR("Child %d died", childpid);
+            if(dtime() - t0 < 1.) pause += 5;
+            else pause = 1;
+            if(pause > 900) pause = 900;
+            sleep(pause); // wait a little before respawn
+        }else{ // slave
+            prctl(PR_SET_PDEATHSIG, SIGTERM); // send SIGTERM to child when parent dies
+            break;
+        }
+    }
+#endif
+    sleep(5);
+    return 0;
+}
+