add custom plugin commands; start developing 'artifical star' plugin to generate 'vagrant stars'

Astar_cameras/CMakeLists.txt

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

Astar_cameras/artifical_star.c

@@ -0,0 +1,385 @@
+/*
+ * This file is part of the CCD_Capture project.
+ * Copyright 2022 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 <fcntl.h>
+#include <improclib.h>
+#include <limits.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <usefull_macros.h>
+
+#include "ccdcapture.h"
+#include "omp.h"
+
+extern cc_Camera camera;
+extern cc_Focuser focuser;
+extern cc_Wheel wheel;
+
+static const int filtermax = 5;
+static const float focmaxpos = 10.;
+static int curhbin = 1, curvbin = 1;
+static int filterpos = 0;
+static float focuserpos = 1., brightness = 1., gain = 0.;
+static float camtemp = -30., exptime = 0.;
+static cc_capture_status capstat = CAPTURE_NO;
+static double texpstart = 0.;
+static uint8_t bitpix = 16; // bit depth: 8 or 16
+
+typedef struct{
+    int width; int height; // size of field where the 'star' can move
+    int x0; int y0; // center of star field in array coordinates
+    double fwhm; // stars FWHM, arcsec
+    double scale; // CCD scale: arcsec/pix
+    double mag; // star magnitude: 0m is 16384 ADUs per second per arcsec^2
+} settings_t;
+
+static settings_t settings = {
+    .width = 500, .height = 500,
+    .x0 = 512, .y0 = 512,
+    .fwhm = 1.5, .scale = 0.03, .mag = 10.
+};
+// min/max for parameters
+static const int wmin = 100, hmin = 100;
+static const double fwhmmin = 0.1, fwhmmax = 10., scalemin = 0.001, scalemax = 3600., magmin = -30., magmax = 30.;
+
+static int campoll(cc_capture_status *st, float *remain){
+    if(capstat != CAPTURE_PROCESS){
+        if(st) *st = capstat;
+        if(remain) *remain = 0.;
+        return TRUE;
+    }
+    if(dtime() - texpstart > exptime){
+        if(st) *st = CAPTURE_READY;
+        if(remain) *remain = 0.;
+        capstat = CAPTURE_NO;
+        return TRUE;
+    }
+    if(st) *st = capstat;
+    if(remain) *remain = exptime + texpstart - dtime();
+    return TRUE;
+}
+
+static int startexp(){
+    if(capstat == CAPTURE_PROCESS) return FALSE;
+    capstat = CAPTURE_PROCESS;
+    texpstart = dtime();
+    return TRUE;
+}
+
+static void gen16(cc_IMG *ima){
+    static int n = 0;
+    int y1 = ima->h * curvbin, x1 = ima->w * curhbin;
+    OMP_FOR()
+    for(int y = 0; y < y1; y += curvbin){
+        uint16_t *d = &((uint16_t*)ima->data)[y*ima->w/curvbin];
+        for(int x = 0; x < x1; x += curhbin){ // sinusoide 100x200
+            //*d++ = (uint16_t)(((n+x)%100)/99.*65535.);
+            *d++ = (uint16_t)((1. + sin((n+x) * (2.*M_PI)/11.)*sin((n+y) * (2.*M_PI)/22.))*32767.);
+        }
+    }
+    ++n;
+}
+static void gen8(cc_IMG *ima){
+    static int n = 0;
+    int y1 = ima->h * curvbin, x1 = ima->w * curhbin;
+    OMP_FOR()
+    for(int y = 0; y < y1; y += curvbin){
+        uint8_t *d = &((uint8_t*)ima->data)[y*ima->w/curvbin];
+        for(int x = 0; x < x1; x += curhbin){ // sinusoide 100x200
+            //*d++ = (uint16_t)(((n+x)%100)/99.*65535.);
+            *d++ = (uint8_t)((1. + sin((n+x) * (2.*M_PI)/11.)*sin((n+y) * (2.*M_PI)/22.))*127.);
+        }
+    }
+    ++n;
+}
+
+static int camcapt(cc_IMG *ima){
+    if(!ima || !ima->data) return FALSE;
+#ifdef EBUG
+    double t0 = dtime();
+#endif
+    ima->bitpix = bitpix;
+    bzero(ima->data, ima->h*ima->w*cc_getNbytes(ima));
+    if(bitpix == 16) gen16(ima);
+    else gen8(ima);
+    DBG("Time of capture: %g", dtime() - t0);
+    return TRUE;
+}
+
+static int camsetbit(int b){
+    bitpix = (b) ? 16 : 8;
+    return TRUE;
+}
+
+static int camgetbp(uint8_t *bp){
+    if(bp) *bp = bitpix;
+    return TRUE;
+}
+
+static void camcancel(){
+    capstat = CAPTURE_NO;
+}
+
+static int setdevno(int n){
+    if(n) return FALSE;
+    return TRUE;
+}
+
+static int camsetbrig(float b){
+    brightness = b;
+    return TRUE;
+}
+
+static int camgetbrig(float *b){
+    if(!b) return FALSE;
+    *b = brightness;
+    return TRUE;
+}
+
+static int camsetexp(float t){
+    exptime = t;
+    return TRUE;
+}
+static int camsetgain(float g){
+    gain = g;
+    return TRUE;
+}
+
+static int camgetgain(float *g){
+    if(g) *g = gain;
+    return TRUE;
+}
+
+static int camsett(float t){
+    camtemp = t;
+    return TRUE;
+}
+
+static int camgett(float *t){
+    if(t) *t = camtemp;
+    return TRUE;
+}
+
+static int gett(float *t){
+    if(t) *t = M_PI;
+    return TRUE;
+}
+
+static int camsetbin(int h, int v){
+    DBG("set bin %dx%d", h, v);
+    curhbin = h; curvbin = v;
+    return TRUE;
+}
+
+static int camshutter(_U_ cc_shutter_op s){
+    return TRUE;
+}
+
+static int camsetgeom(cc_frameformat *f){
+    if(!f) return FALSE;
+    camera.geometry = *f;
+    return TRUE;
+}
+
+static int camgetnam(char *n, int l){
+    strncpy(n, "Dummy camera", l);
+    return TRUE;
+}
+
+static int camgmg(float *mg){
+    if(mg) *mg = 10.;
+    return TRUE;
+}
+
+static int camggl(cc_frameformat *max, cc_frameformat *step){
+    if(max) *max = camera.array;
+    if(step) *step = (cc_frameformat){1,1,1,1};
+    return TRUE;
+}
+
+static int camgetbin(int *binh, int *binv){
+    if(binh) *binh = curhbin;
+    if(binv) *binv = curvbin;
+    return TRUE;
+}
+
+static int camgetio(int *io){
+    if(io) *io = 0xDEADBEEF;
+    return TRUE;
+}
+
+static int camfan(_U_ cc_fan_speed spd){return TRUE;}
+
+static int focsetpos(_U_ int a, float n){
+    if(n < 0. || n > focmaxpos) return FALSE;
+    focuserpos = n;
+    return TRUE;
+}
+
+static int fochome(_U_ int a){
+    focuserpos = 0.;
+    return TRUE;
+}
+
+static int focgetnam(char *n, int l){
+    strncpy(n, "Dummy focuser", l);
+    return TRUE;
+}
+
+static int focpos(float *p){
+    if(p) *p = focuserpos;
+    return TRUE;
+}
+
+static int focMp(float *p){
+    if(p) *p = focmaxpos;
+    return TRUE;
+}
+
+static int focmp(float *p){
+    if(p) *p = 0.;
+    return TRUE;
+}
+
+static int whlsetpos(int n){
+    if(n >= filtermax || n < 0) return FALSE;
+    filterpos = n;
+    return TRUE;
+}
+
+static int whlgetpos(int *n){
+    if(n) *n = filterpos;
+    return TRUE;
+}
+
+static int whlgmp(int *n){
+    if(n) *n = filtermax;
+    return TRUE;
+}
+
+static int whlgetnam(char *n, int l){
+    strncpy(n, "Dummy filter wheel", l);
+    return TRUE;
+}
+
+// cmd, help, handler, ptr, min, max, type
+static cc_parhandler_t handlers[] = {
+    {"width", "width of star moving field", NULL, (void*)&settings.width, (void*)&wmin, NULL, CC_PAR_INT},
+    {"height", "height of star moving field", NULL, (void*)&settings.height, (void*)&hmin, NULL, CC_PAR_INT},
+    {"xc", "x center of field in array coordinates", NULL, (void*)&settings.x0, NULL, NULL, CC_PAR_INT},
+    {"yc", "y center of field in array coordinates", NULL, (void*)&settings.y0, NULL, NULL, CC_PAR_INT},
+    {"fwhm", "star FWHM, arcsec", NULL, (void*)&settings.fwhm, (void*)&fwhmmin, (void*)&fwhmmax, CC_PAR_DOUBLE},
+    {"scale", "CCD scale: arcsec/pix", NULL, (void*)&settings.scale, (void*)&scalemin, (void*)&scalemax, CC_PAR_DOUBLE},
+    {"mag", "star magnitude: 0m is 16384 ADUs per second per arcsec^2", NULL, (void*)&settings.mag, (void*)&magmin, (void*)&magmax, CC_PAR_DOUBLE},
+    //{"", "", NULL, (void*)&, (void*)&, (void*)&settings., CC_PAR_DOUBLE},
+    CC_PARHANDLER_END
+};
+
+static cc_hresult plugincmd(const char *str, cc_charbuff *buf){
+    return cc_plugin_customcmd(str, handlers, buf);
+}
+
+static int stub(){
+    return TRUE;
+}
+
+static void vstub(){
+    FNAME();
+    return;
+}
+static int istub(_U_ int N){return TRUE;}
+
+/*
+ * Global objects: camera, focuser and wheel
+ */
+__attribute__ ((visibility("default"))) cc_Camera camera = {
+    .check = stub,
+    .Ndevices = 1,
+    .close = vstub,
+    .pollcapture = campoll,
+    .capture = camcapt,
+    .cancel = camcancel,
+    .startexposition = startexp,
+    .plugincmd = plugincmd,
+    // setters:
+    .setDevNo = setdevno,
+    .setbrightness = camsetbrig,
+    .setexp = camsetexp,
+    .setgain = camsetgain,
+    .setT = camsett,
+    .setbin = camsetbin,
+    .setnflushes = istub,
+    .shuttercmd = camshutter,
+    .confio = istub,
+    .setio = istub,
+    .setframetype = istub,
+    .setbitdepth = camsetbit,
+    .setfastspeed = istub,
+    .setgeometry = camsetgeom,
+    .setfanspeed = camfan,
+    // getters:
+    .getbitpix = camgetbp,
+    .getbrightness = camgetbrig,
+    .getModelName = camgetnam,
+    .getgain = camgetgain,
+    .getmaxgain = camgmg,
+    .getgeomlimits = camggl,
+    .getTcold = camgett,
+    .getThot = camgett,
+    .getTbody = gett,
+    .getbin = camgetbin,
+    .getio = camgetio,
+    .pixX = 10.,
+    .pixY = 10.,
+    .field = (cc_frameformat){.h = 1024, .w = 1024, .xoff = 10, .yoff = 10},
+    .array = (cc_frameformat){.h = 1050, .w = 1050, .xoff = 0, .yoff = 0},
+    .geometry = {0},
+};
+
+__attribute__ ((visibility("default"))) cc_Focuser focuser = {
+    .check = stub,
+    .Ndevices = 1,
+    .close = vstub,
+    // setters:
+    .setDevNo = setdevno,
+    .setAbsPos = focsetpos,
+    .home = fochome,
+    // getters:
+    .getModelName = focgetnam,
+    .getTbody = gett,
+    .getPos = focpos,
+    .getMaxPos = focMp,
+    .getMinPos = focmp,
+};
+
+__attribute__ ((visibility("default"))) cc_Wheel wheel = {
+    .check = stub,
+    .Ndevices = 1,
+    .close = vstub,
+    // setters
+    .setDevNo = setdevno,
+    .setPos = whlsetpos,
+    // getters
+    .getModelName = whlgetnam,
+    .getTbody = gett,
+    .getPos = whlgetpos,
+    .getMaxPos = whlgmp,
+};

CMakeLists.txt

@@ -15,7 +15,8 @@ message("VER: ${VERSION}")
 
 # list of options
 option(DEBUG "Compile in debug mode" OFF)
-option(IMAGEVIEW "Build with imageview module" OFF)
+option(DUMMY "Dummy camera plugin" ON)
+option(IMAGEVIEW "Build with imageview module" ON)
 option(ZWO "Add support of ZWO cameras" OFF)
 option(FLI "Add support of FLI cameras" OFF)
 option(BASLER "Add support of BASLER cameras" OFF)
@@ -23,6 +24,7 @@ option(HIKROBOT "Add support of HIKROBOT cameras" OFF)
 option(FLYCAP "Add support of Grasshopper FlyCap cameras" OFF)
 option(APOGEE "Add support of Apogee cameras" OFF)
 option(EXAMPLES "Some examples" OFF)
+option(ASTAR "Artifical star plugin" OFF)
 
 # default flags
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -W -Wextra -fno-builtin-strlen")
@@ -75,6 +77,7 @@ if(OPENMP_FOUND)
     add_definitions(-DOMP_FOUND)
 endif()
 
+# view image in OpenGL window
 if(IMAGEVIEW)
     list(APPEND SOURCES events.c imageview.c)
     find_package(OpenGL REQUIRED)
@@ -84,9 +87,13 @@ if(IMAGEVIEW)
     list(APPEND ${PROJ}_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
     add_definitions(-DIMAGEVIEW)
 endif()
-
+# Dummy and artifical star plugins
-add_subdirectory(Dummy_cameras)
+if(DUMMY)
-
+    add_subdirectory(Dummy_cameras)
+endif()
+if(ASTAR)
+    add_subdirectory(Astar_cameras)
+endif()
 # additional modules with CCD/CMOS support
 if(ZWO)
     add_subdirectory(ZWO_cameras)

Dummy_cameras/dummyfunc.c

@@ -43,6 +43,7 @@ static double texpstart = 0.;
 static uint8_t bitpix = 16; // bit depth: 8 or 16
 // sinusoide periods
 static double sinPx = 100., sinPy = 200.;
+static const double sinmin = 1.;
 
 static int campoll(cc_capture_status *st, float *remain){
     if(capstat != CAPTURE_PROCESS){
@@ -256,35 +257,27 @@ static int whlgetnam(char *n, int l){
     return TRUE;
 }
 
-static const char* const helpmsg =
+/*
-    "Dummy camera custom plugin commands:\n"
+static int checker(const char *str, cc_charbuff *ans){
-    "\tpx - set/get sin period over X axis (pix)\n"
+    char *eq = strchr(str, '=');
-    "\tpy - -//- over Y axis\n"
+    if(eq){
-;
+        float x = (float)atof(eq+1);
-static const char* const pmust = "Period must be not less than 1";
+        if(x < 1.){if(ans) cc_charbufaddline(ans, "Value must be >= 1.");}
-static const char *plugincmd(const char *str){
+        else return TRUE;
-    static char ans[BUFSIZ+1];
+    }else return TRUE; // getter
-    snprintf(ans, BUFSIZ, "%s", str);
+    return FALSE;
-    char *val = cc_get_keyval(ans);
+}*/
-    if(val){ // setters
+
-        if(0 == strcmp("px", ans)){
+
-            double f = atof(val);
+// cmd, help, handler, ptr, type
-            if(f < 1.) return pmust;
+static cc_parhandler_t handlers[] = {
-            sinPx = f;
+    {"px", "set/get sin period over X axis (pix)", NULL, (void*)&sinPx, (void*)&sinmin, NULL, CC_PAR_DOUBLE},
-        }else if(0 == strcmp("py", ans)){
+    {"py", "set/get sin period over Y axis (pix)", NULL, (void*)&sinPy, (void*)&sinmin, NULL, CC_PAR_DOUBLE},
-            double f = atof(val);
+    CC_PARHANDLER_END
-            if(f < 1.) return pmust;
+};
-            sinPy = f;
+
-        }
+static cc_hresult plugincmd(const char *str, cc_charbuff *buf){
-    } // getters/return
+    return cc_plugin_customcmd(str, handlers, buf);
-    if(0 == strcmp("px", ans)){
-        snprintf(ans, BUFSIZ, "px=%g", sinPx);
-        return (const char*) ans;
-    }else if(0 == strcmp("py", ans)){
-        snprintf(ans, BUFSIZ, "yx=%g", sinPy);
-        return (const char*) ans;
-    }
-    return helpmsg;
 }
 
 static int stub(){

ccdcapture.c

@@ -189,8 +189,6 @@ static const char *resmessages[RESULT_NUM] = {
     [RESULT_FAIL] = "FAIL",
     [RESULT_BADVAL] = "BADVAL",
     [RESULT_BADKEY] = "BADKEY",
-//    [RESULT_SILENCE] = NULL, // nothing to send
-//    [RESULT_DISCONNECTED] = NULL, // not to send
 };
 
 const char *cc_hresult2str(cc_hresult r){
@@ -732,3 +730,123 @@ int cc_charbuf2kw(cc_charbuff *b, fitsfile *f){
     }
     return TRUE;
 }
+
+static size_t print_val(cc_partype_t t, void *val, char *buf, size_t bufl){
+    size_t l = 0;
+    switch(t){
+        case CC_PAR_INT:
+            l = snprintf(buf, bufl, "%d", *(int*)val);
+        break;
+        case CC_PAR_FLOAT:
+            l = snprintf(buf, bufl, "%g", *(float*)val);
+        break;
+        case CC_PAR_DOUBLE:
+            l = snprintf(buf, bufl, "%g", *(double*)val);
+        break;
+        default:
+         l = snprintf(buf, bufl, "hoojnya");
+        break;
+    }
+    return l;
+}
+
+/**
+ * @brief cc_plugin_customcmd - common handler for custom plugin commands
+ * @param str - string like "par" (getter/cmd) or "par=val" (setter)
+ * @param handlers - NULL-terminated array of handlers for custom commands
+ * @param ans - buffer for output string
+ * @return RESULT_OK if all OK or error code
+ */
+cc_hresult cc_plugin_customcmd(const char *str, cc_parhandler_t *handlers, cc_charbuff *ans){
+    if(!str || !handlers) return RESULT_FAIL;
+    char key[256];
+    snprintf(key, 255, "%s", str);
+    char *val = cc_get_keyval(key);
+    cc_parhandler_t *phptr = handlers;
+    cc_hresult result = RESULT_BADKEY;
+    char buf[512];
+#define ADDL(...) do{if(ans){size_t l = snprintf(bptr, L, __VA_ARGS__); bptr += l; L -= l;}}while(0)
+#define PRINTVAL(v) do{if(ans){size_t l = print_val(phptr->type, phptr->v, bptr, L); bptr += l; L -= l;}}while(0)
+    while(phptr->cmd){
+        if(0 == strcmp(key, phptr->cmd)){
+            char *bptr = buf; size_t L = 511;
+            result = RESULT_OK;
+            if(phptr->checker) result = phptr->checker(str, ans);
+            if(phptr->ptr){ // setter/getter
+                if(val){if(result == RESULT_OK){// setter: change value only if [handler] returns OK (`handler` could be value checker)
+                    int ival; float fval; double dval;
+#define UPDATE_VAL(type, val, pr) do{ \
+  if(phptr->max && val > *(type*)phptr->max){ADDL("max=" pr, *(type*)phptr->max); result = RESULT_BADVAL;} \
+  if(phptr->min && val < *(type*)phptr->min){ADDL("min=" pr, *(type*)phptr->min); result = RESULT_BADVAL;} \
+  if(result == RESULT_OK) *(type*)phptr->ptr = val;  \
+}while(0)
+                    switch(phptr->type){
+                        case CC_PAR_INT:
+                            ival = atoi(val);
+                            UPDATE_VAL(int, ival, "%d");
+                        break;
+                        case CC_PAR_FLOAT:
+                            fval = (float)atof(val);
+                            UPDATE_VAL(float, fval, "%g");
+                        break;
+                        case CC_PAR_DOUBLE:
+                            dval = atof(val);
+                            UPDATE_VAL(double, dval, "%g");
+                        break;
+                        default:
+                            result = RESULT_FAIL;
+                    }
+#undef UPDATE_VAL
+                }}else result = RESULT_SILENCE; // getter - don't show "OK"
+                DBG("res=%d", result);
+                if(result == RESULT_SILENCE || result == RESULT_OK){
+                    ADDL("%s=", phptr->cmd);
+                    PRINTVAL(ptr);
+                }
+                if(ans) cc_charbufaddline(ans, buf);
+            }
+            break;
+        }
+        ++phptr;
+    }
+    if(ans && result == RESULT_BADKEY){ // cmd not found - display full help
+        cc_charbufaddline(ans, "Custom plugin commands:\n");
+        phptr = handlers;
+        while(phptr->cmd){
+            char *bptr = buf; size_t L = 511;
+            ADDL("\t%s", phptr->cmd);
+            if(phptr->ptr){
+                ADDL(" = (");
+                switch(phptr->type){
+                    case CC_PAR_INT:
+                        ADDL("int");
+                    break;
+                    case CC_PAR_FLOAT:
+                        ADDL("float");
+                    break;
+                    case CC_PAR_DOUBLE:
+                        ADDL("double");
+                    break;
+                    default:
+                        ADDL("undefined");
+                }
+                ADDL(")");
+                if(phptr->min || phptr->max){
+                    ADDL(" [");
+                    if(phptr->min) PRINTVAL(min);
+                    else ADDL("-inf");
+                    ADDL(", ");
+                    if(phptr->max) PRINTVAL(max);
+                    else ADDL("inf");
+                    ADDL("]");
+                }
+            }
+            ADDL(" - ");
+            ADDL("%s\n", phptr->helpstring);
+            cc_charbufaddline(ans, buf);
+            ++phptr;
+        }
+    }
+#undef ADDL
+    return result;
+}

ccdcapture.h

@@ -41,6 +41,26 @@ typedef struct __attribute__((packed, aligned(4))){
     /* `data` is uint8_t or uint16_t depending on `bitpix` */
 } cc_IMG;
 
+typedef struct{
+    char* buf;      // databuffer
+    size_t bufsize; // size of `buf`
+    size_t buflen;  // current buffer length
+    char *string;   // last \n-ended string from `buf`
+    size_t strlen;  // max length of `string`
+    pthread_mutex_t mutex; // mutex for atomic data access
+} cc_strbuff;
+
+typedef struct{
+    char* buf;      // databuffer
+    size_t bufsize; // size of `buf`
+    size_t buflen;  // current buffer length
+    pthread_mutex_t mutex; // mutex for atomic data access
+} cc_charbuff;
+
+#define cc_buff_lock(b) pthread_mutex_lock(&((b)->mutex))
+#define cc_buff_trylock(b) pthread_mutex_trylock(&((b)->mutex))
+#define cc_buff_unlock(b) pthread_mutex_unlock(&((b)->mutex))
+
 // format of single frame
 typedef struct{
     int w; int h;               // width & height
@@ -70,6 +90,17 @@ typedef enum{
     FAN_HIGH,
 } cc_fan_speed;
 
+typedef enum{
+    RESULT_OK,          // 0: all OK
+    RESULT_BUSY,        // 1: camera busy and no setters can be done
+    RESULT_FAIL,        // 2: failed running command
+    RESULT_BADVAL,      // 3: bad key's value
+    RESULT_BADKEY,      // 4: bad key
+    RESULT_SILENCE,     // 5: send nothing to client
+    RESULT_DISCONNECTED,// 6: client disconnected
+    RESULT_NUM
+} cc_hresult;
+
 // all setters and getters of Camera, Focuser and cc_Wheel should return TRUE if success or FALSE if failed or unsupported
 // camera
 typedef struct{
@@ -110,10 +141,10 @@ typedef struct{
     int (*getTbody)(float *t);  // body T
     int (*getbin)(int *binh, int *binv);
     int (*getio)(int *s);       // get IO-port state
-    const char* (*plugincmd)(const char *str); // custom camera plugin command (get string as input, send string as output or NULL if failed)
+    cc_hresult (*plugincmd)(const char *str, cc_charbuff *ans); // custom camera plugin command (get string as input, send string as output or NULL if failed)
     float pixX, pixY;           // pixel size in um
-    cc_frameformat field;          // max field of view
+    cc_frameformat field;          // max field of view (full CCD field without overscans)
-    cc_frameformat array;          // array format
+    cc_frameformat array;          // array format (with overscans)
     cc_frameformat geometry;       // current geometry settings (as in setgeometry)
 } cc_Camera;
 
@@ -165,17 +196,6 @@ typedef struct{
 // client will disconnect after this time from last server message
 #define CC_CLIENT_TIMEOUT  (3.0)
 
-typedef enum{
-    RESULT_OK,          // 0: all OK
-    RESULT_BUSY,        // 1: camera busy and no setters can be done
-    RESULT_FAIL,        // 2: failed running command
-    RESULT_BADVAL,      // 3: bad key's value
-    RESULT_BADKEY,      // 4: bad key
-    RESULT_SILENCE,     // 5: send nothing to client
-    RESULT_DISCONNECTED,// 6: client disconnected
-    RESULT_NUM
-} cc_hresult;
-
 // fd - socket fd to send private messages, key, val - key and its value
 typedef cc_hresult (*cc_mesghandler)(int fd, const char *key, const char *val);
 
@@ -254,25 +274,26 @@ typedef enum{
 #define CC_CMD_WDEVNO      "wdevno"
 #define CC_CMD_WPOS        "wpos"
 
-typedef struct{
+typedef enum{ // parameter type
-    char* buf;      // databuffer
+    CC_PAR_INT,
-    size_t bufsize; // size of `buf`
+    CC_PAR_FLOAT,
-    size_t buflen;  // current buffer length
+    CC_PAR_DOUBLE,
-    char *string;   // last \n-ended string from `buf`
+} cc_partype_t;
-    size_t strlen;  // max length of `string`
-    pthread_mutex_t mutex; // mutex for atomic data access
-} cc_strbuff;
 
-typedef struct{
+typedef struct{ // custom plugin parameters
-    char* buf;      // databuffer
+    const char *cmd;        // text parameter/command
-    size_t bufsize; // size of `buf`
+    const char *helpstring; // help string for this parameter
-    size_t buflen;  // current buffer length
+    cc_hresult (*checker)(const char *str, cc_charbuff *ans); // value checker or custom handler (if don't satisfy common getter/setter); return possible answer in `ans`
-    pthread_mutex_t mutex; // mutex for atomic data access
+    void *ptr;              // pointer to variable (if exists)
-} cc_charbuff;
+    void *min;              // min/max values of `ptr` (or NULL if don't need to check)
+    void *max;
+    cc_partype_t type;      // argument type
+} cc_parhandler_t;
 
-#define cc_buff_lock(b) pthread_mutex_lock(&b->mutex)
+// this record should be last in cc_parhandler_t array for `cc_plugin_customcmd`
-#define cc_buff_trylock(b) pthread_mutex_trylock(&b->mutex)
+#define CC_PARHANDLER_END   {0}
-#define cc_buff_unlock(b) pthread_mutex_unlock(&b->mutex)
+
+cc_hresult cc_plugin_customcmd(const char *str, cc_parhandler_t *handlers, cc_charbuff *ans);
 
 cc_Focuser *open_focuser(const char *pluginname);
 cc_Camera *open_camera(const char *pluginname);

ccdfunc.c

@@ -217,7 +217,6 @@ int saveFITS(cc_IMG *img, char **outp){
         }
     }else{ // user pointed output file prefix
         if(!check_filenameprefix(fnam, PATH_MAX)){
-            // îÅ ÍÏÇÕ ÓÏÈÒÁÎÉÔØ ÆÁÊÌ
             WARNX(_("Can't save file with prefix %s"), GP->outfileprefix);
             LOGERR("Can't save image with prefix %s", GP->outfileprefix);
         }
@@ -453,7 +452,7 @@ retn:
 
 cc_Wheel *startWheel(){
     if(!GP->wheeldev && !GP->commondev){
-        verbose(3, _("cc_Wheel device not pointed"));
+        verbose(3, _("Wheel device not pointed"));
         return NULL;
     }else{
         char *plugin = GP->commondev ? GP->commondev : GP->wheeldev;
@@ -518,7 +517,7 @@ void wheels(){
     pos = GP->setwheel;
     if(pos == -1) goto retn; // no wheel commands
     if(pos < 0 || pos > maxpos){
-        WARNX(_("cc_Wheel position should be from 0 to %d"), maxpos);
+        WARNX(_("Wheel position should be from 0 to %d"), maxpos);
         goto retn;
     }
     if(!wheel->setPos(pos))
@@ -605,11 +604,19 @@ int prepare_ccds(){
         if(!camera->plugincmd) WARNX(_("Camera plugin have no custom commands"));
         else{
             char **p = GP->plugincmd;
+            cc_charbuff *b = cc_charbufnew();
             DBG("got %s", *p);
             while(p && *p){
-                printf("Command: %s\nAnswer: %s\n", *p, camera->plugincmd(*p));
+                cc_charbufclr(b);
+                cc_hresult r = camera->plugincmd(*p, b);
+                if(r == RESULT_OK || r == RESULT_SILENCE) green("Command '%s'", *p);
+                else red("Command '%s'", *p);
+                if(r != RESULT_SILENCE) printf(" returns \"%s\"", cc_hresult2str(r));
+                if(b->buflen) printf("\n%s", b->buf);
+                else printf("\n");
                 ++p;
             }
+            cc_charbufdel(&b);
         }
     }
     if(GP->fanspeed > -1){
@@ -650,7 +657,6 @@ int prepare_ccds(){
             WARNX(_("Can't run shutter command %s (unsupported?)"), str[GP->shtr_cmd]);
     }
     if(GP->confio > -1){
-        // "ðÏÐÙÔËÁ ÓËÏÎÆÉÇÕÒÉÒÏ×ÁÔØ ÐÏÒÔ I/O ËÁË %d\n"
         verbose(1, _("Try to configure I/O port as %d"), GP->confio);
         if(!camera->confio(GP->confio))
             WARNX(_("Can't configure (unsupported?)"));
@@ -663,7 +669,6 @@ int prepare_ccds(){
             WARNX(_("Can't get IOport state (unsupported?)"));
     }
     if(GP->setio > -1){
-        // "ðÏÐÙÔËÁ ÚÁÐÉÓÉ %d × ÐÏÒÔ I/O\n"
         verbose(1, _("Try to write %d to I/O port"), GP->setio);
         if(!camera->setio(GP->setio))
             WARNX(_("Can't set IOport"));
@@ -717,7 +722,8 @@ int prepare_ccds(){
         WARNX(_("Can't set readout speed"));
     else verbose(1, _("Readout mode: %s"), GP->fast ? "fast" : "normal");
     if(!GP->outfile) verbose(1, _("Only show statistics"));
-    if(!camera->getbin(&GP->hbin, &GP->vbin)) // GET binning should be AFTER setgeometry!
+    // GET binning should be AFTER setgeometry!
+    if(!camera->getbin(&GP->hbin, &GP->vbin))
         WARNX(_("Can't get current binning"));
     verbose(2, "Binning: %d x %d", GP->hbin, GP->vbin);
     rtn = TRUE;
@@ -742,7 +748,6 @@ DBG("w=%d, h=%d", raw_width, raw_height);
     for(int j = 0; j < GP->nframes; ++j){
         TIMESTAMP("Start next cycle");
         TIMEINIT();
-        // úÁÈ×ÁÔ ËÁÄÒÁ %d\n
         verbose(1, _("Capture frame %d"), j);
         if(!camera->startexposition()){
             WARNX(_("Can't start exposition"));
@@ -769,7 +774,6 @@ DBG("w=%d, h=%d", raw_width, raw_height);
         if(GP->pause_len && j != (GP->nframes - 1)){
             double delta, time1 = dtime() + GP->pause_len;
             while((delta = time1 - dtime()) > 0.){
-                // %d ÓÅËÕÎÄ ÄÏ ÏËÏÎÞÁÎÉÑ ÐÁÕÚÙ\n
                 verbose(1, _("%d seconds till pause ends\n"), (int)delta);
                 float tmpf;
                 if(camera->getTcold(&tmpf)) verbose(1, "CCDTEMP=%.1f\n", tmpf);

client.c

@@ -267,7 +267,6 @@ void client(int sock){
                         while(1){
                             SENDCMDW(CC_CMD_CAMTEMPER);
                             if((delta = time1 - dtime()) < __FLT_EPSILON__) break;
-                            // %d секунд до окончания паузы\n
                             if(delta > 1.) verbose(1, _("%d seconds till pause ends\n"), (int)delta);
                             if(delta > 6.) sleep(5);
                             else if(delta > 1.) sleep((int)delta);

cmdlnopts.c

@@ -111,7 +111,7 @@ myoption cmdlnopts[] = {
     {"restart", NO_ARGS,    &G.restart,1,   arg_none,   NULL,               N_("restart image server")},
 
     {"shmkey", NEED_ARG,    NULL,   'k',    arg_int,    APTR(&G.shmkey),    N_("shared memory (with image data) key (default: 7777777)")},
-    {"forceimsock",NO_ARGS, &G.forceimsock,1, arg_none, NULL,               N_("force using image through socket transition even if can use SHM)")},
+    {"forceimsock",NO_ARGS, &G.forceimsock,1, arg_none, NULL,               N_("force using image through socket transition even if can use SHM")},
     {"infty", NEED_ARG,     NULL,   NA,     arg_int,    APTR(&G.infty),     N_("start (!=0) or stop(==0) infinity capturing loop")},
 
 #ifdef IMAGEVIEW

locale/ru/messages.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-02-01 14:36+0300\n"
+"POT-Creation-Date: 2024-02-07 17:00+0300\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -254,7 +254,7 @@ msgid "shared memory (with image data) key (default: 7777777)"
 msgstr ""
 
 #: cmdlnopts.c:114
-msgid "force using image through socket transition even if can use SHM)"
+msgid "force using image through socket transition even if can use SHM"
 msgstr ""
 
 #: cmdlnopts.c:115
@@ -269,289 +269,283 @@ msgstr ""
 msgid "Camera device unknown"
 msgstr ""
 
-#. Не могу сохранить файл
+#: ccdfunc.c:220
-#: ccdfunc.c:221
 #, c-format
 msgid "Can't save file with prefix %s"
 msgstr ""
 
-#: ccdfunc.c:269
+#: ccdfunc.c:268
 #, c-format
 msgid "File saved as '%s'"
 msgstr ""
 
-#: ccdfunc.c:278
+#: ccdfunc.c:277
 msgid "Error saving file"
 msgstr ""
 
-#: ccdfunc.c:356
+#: ccdfunc.c:355
 #, c-format
 msgid "Image stat:\n"
 msgstr ""
 
-#: ccdfunc.c:365
+#: ccdfunc.c:364
 msgid "Focuser device not pointed"
 msgstr ""
 
-#: ccdfunc.c:372
+#: ccdfunc.c:371
 msgid "No focusers found"
 msgstr ""
 
-#: ccdfunc.c:403
+#: ccdfunc.c:402
 #, c-format
 msgid "Found %d focusers, you point number %d"
 msgstr ""
 
-#: ccdfunc.c:407
+#: ccdfunc.c:406
 msgid "Can't set active focuser number"
 msgstr ""
 
-#: ccdfunc.c:421
+#: ccdfunc.c:420
 msgid "Can't get focuser limit positions"
 msgstr ""
 
-#: ccdfunc.c:428
+#: ccdfunc.c:427
 msgid "Can't get current focuser position"
 msgstr ""
 
-#: ccdfunc.c:442
+#: ccdfunc.c:441
 #, c-format
 msgid "Can't set position %g: out of limits [%g, %g]"
 msgstr ""
 
-#: ccdfunc.c:446
+#: ccdfunc.c:445
 msgid "Can't home focuser"
 msgstr ""
 
-#: ccdfunc.c:448
+#: ccdfunc.c:447
 #, c-format
 msgid "Can't set position %g"
 msgstr ""
 
-#: ccdfunc.c:456
+#: ccdfunc.c:455
-msgid "cc_Wheel device not pointed"
+msgid "Wheel device not pointed"
 msgstr ""
 
-#: ccdfunc.c:463
+#: ccdfunc.c:462
 msgid "No wheels found"
 msgstr ""
 
-#: ccdfunc.c:494
+#: ccdfunc.c:493
 #, c-format
 msgid "Found %d wheels, you point number %d"
 msgstr ""
 
-#: ccdfunc.c:498
+#: ccdfunc.c:497
 msgid "Can't set active wheel number"
 msgstr ""
 
-#: ccdfunc.c:514
+#: ccdfunc.c:513
 msgid "Can't get max wheel position"
 msgstr ""
 
-#: ccdfunc.c:521
+#: ccdfunc.c:520
 #, c-format
-msgid "cc_Wheel position should be from 0 to %d"
+msgid "Wheel position should be from 0 to %d"
 msgstr ""
 
-#: ccdfunc.c:525
+#: ccdfunc.c:524
 #, c-format
 msgid "Can't set wheel position %d"
 msgstr ""
 
-#: ccdfunc.c:542
+#: ccdfunc.c:541
 #, c-format
 msgid "%.1f seconds till exposition ends"
 msgstr ""
 
-#: ccdfunc.c:557
+#: ccdfunc.c:556
 msgid "Camera device not pointed"
 msgstr ""
 
-#: ccdfunc.c:564 ccdfunc.c:565
+#: ccdfunc.c:563 ccdfunc.c:564
 msgid "No cameras found"
 msgstr ""
 
-#: ccdfunc.c:595
+#: ccdfunc.c:594
 #, c-format
 msgid "Found %d cameras, you point number %d"
 msgstr ""
 
-#: ccdfunc.c:599
+#: ccdfunc.c:598
 msgid "Can't set active camera number"
 msgstr ""
 
-#: ccdfunc.c:605
+#: ccdfunc.c:604
 msgid "Camera plugin have no custom commands"
 msgstr ""
 
-#: ccdfunc.c:618
+#: ccdfunc.c:625
 msgid "Can't set fan speed"
 msgstr ""
 
-#: ccdfunc.c:619
+#: ccdfunc.c:626
 #, c-format
 msgid "Set fan speed to %d"
 msgstr ""
 
-#: ccdfunc.c:624
+#: ccdfunc.c:631
 #, c-format
 msgid "Camera model: %s"
 msgstr ""
 
-#: ccdfunc.c:625
+#: ccdfunc.c:632
 #, c-format
 msgid "Pixel size: %g x %g"
 msgstr ""
 
-#: ccdfunc.c:631
+#: ccdfunc.c:638
 #, c-format
 msgid "Full array: %s"
 msgstr ""
 
-#: ccdfunc.c:634
+#: ccdfunc.c:641
 #, c-format
 msgid "Field of view: %s"
 msgstr ""
 
-#: ccdfunc.c:637
+#: ccdfunc.c:644
 #, c-format
 msgid "Current format: %s"
 msgstr ""
 
-#: ccdfunc.c:640
+#: ccdfunc.c:647
 #, c-format
 msgid "Can't set T to %g degC"
 msgstr ""
 
-#: ccdfunc.c:648
+#: ccdfunc.c:655
 #, c-format
 msgid "Shutter command: %s\n"
 msgstr ""
 
-#: ccdfunc.c:650
+#: ccdfunc.c:657
 #, c-format
 msgid "Can't run shutter command %s (unsupported?)"
 msgstr ""
 
-#. "Попытка сконфигурировать порт I/O как %d\n"
+#: ccdfunc.c:660
-#: ccdfunc.c:654
 #, c-format
 msgid "Try to configure I/O port as %d"
 msgstr ""
 
-#: ccdfunc.c:656
+#: ccdfunc.c:662
 msgid "Can't configure (unsupported?)"
 msgstr ""
 
-#: ccdfunc.c:663
+#: ccdfunc.c:669
 msgid "Can't get IOport state (unsupported?)"
 msgstr ""
 
-#. "Попытка записи %d в порт I/O\n"
+#: ccdfunc.c:672
-#: ccdfunc.c:667
 #, c-format
 msgid "Try to write %d to I/O port"
 msgstr ""
 
-#: ccdfunc.c:669
+#: ccdfunc.c:674
 msgid "Can't set IOport"
 msgstr ""
 
-#: ccdfunc.c:676
+#: ccdfunc.c:681
 #, c-format
 msgid "Set gain to %g"
 msgstr ""
 
-#: ccdfunc.c:677
+#: ccdfunc.c:682
 #, c-format
 msgid "Can't set gain to %g"
 msgstr ""
 
-#: ccdfunc.c:682
+#: ccdfunc.c:687
 #, c-format
 msgid "Set brightness to %g"
 msgstr ""
 
-#: ccdfunc.c:683
+#: ccdfunc.c:688
 #, c-format
 msgid "Can't set brightness to %g"
 msgstr ""
 
-#: ccdfunc.c:689 server.c:265
+#: ccdfunc.c:694 server.c:265
 #, c-format
 msgid "Can't set binning %dx%d"
 msgstr ""
 
-#: ccdfunc.c:701 server.c:266
+#: ccdfunc.c:706 server.c:266
 msgid "Can't set given geometry"
 msgstr ""
 
-#: ccdfunc.c:705
+#: ccdfunc.c:710
 #, c-format
 msgid "Can't set %d flushes"
 msgstr ""
 
-#: ccdfunc.c:709
+#: ccdfunc.c:714
 #, c-format
 msgid "Can't set exposure time to %f seconds"
 msgstr ""
 
-#: ccdfunc.c:712
+#: ccdfunc.c:717
 msgid "Can't change frame type"
 msgstr ""
 
-#: ccdfunc.c:715
+#: ccdfunc.c:720
 msgid "Can't set bit depth"
 msgstr ""
 
-#: ccdfunc.c:717
+#: ccdfunc.c:722
 msgid "Can't set readout speed"
 msgstr ""
 
-#: ccdfunc.c:718
+#: ccdfunc.c:723
 #, c-format
 msgid "Readout mode: %s"
 msgstr ""
 
-#: ccdfunc.c:719
+#: ccdfunc.c:724
 msgid "Only show statistics"
 msgstr ""
 
-#. GET binning should be AFTER setgeometry!
+#: ccdfunc.c:727
-#: ccdfunc.c:721
 msgid "Can't get current binning"
 msgstr ""
 
-#. Захват кадра %d\n
+#: ccdfunc.c:751
-#: ccdfunc.c:746
 #, c-format
 msgid "Capture frame %d"
 msgstr ""
 
-#: ccdfunc.c:748 ccdfunc.c:823 server.c:150
+#: ccdfunc.c:753 ccdfunc.c:827 server.c:150
 msgid "Can't start exposition"
 msgstr ""
 
-#: ccdfunc.c:753
+#: ccdfunc.c:758
 msgid "Can't capture image"
 msgstr ""
 
-#: ccdfunc.c:756
+#: ccdfunc.c:761
 msgid "Read grabbed image"
 msgstr ""
 
-#: ccdfunc.c:760 ccdfunc.c:836
+#: ccdfunc.c:765 ccdfunc.c:840
 msgid "Can't grab image"
 msgstr ""
 
-#. %d секунд до окончания паузы\n
+#: ccdfunc.c:777 client.c:270
-#: ccdfunc.c:773 client.c:271
 #, c-format
 msgid "%d seconds till pause ends\n"
 msgstr ""
 
-#: ccdfunc.c:834
+#: ccdfunc.c:838
 msgid "Some error when capture"
 msgstr ""
 
@@ -563,7 +557,7 @@ msgstr ""
 msgid "Can't make exposition"
 msgstr ""
 
-#: client.c:287
+#: client.c:286
 msgid "Server timeout"
 msgstr ""
 

locale/ru/ru.po

@@ -7,7 +7,7 @@
 msgid   ""
 msgstr  "Project-Id-Version: PACKAGE VERSION\n"
         "Report-Msgid-Bugs-To: \n"
-        "POT-Creation-Date: 2024-02-01 14:35+0300\n"
+        "POT-Creation-Date: 2024-02-07 17:00+0300\n"
         "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
         "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
         "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -16,13 +16,12 @@ msgstr  "Project-Id-Version: PACKAGE VERSION\n"
         "Content-Type: text/plain; charset=koi8-r\n"
         "Content-Transfer-Encoding: 8bit\n"
 
-#: ccdfunc.c:542
+#: ccdfunc.c:541
 #, c-format
 msgid   "%.1f seconds till exposition ends"
 msgstr  "%.1f ÓÅËÕÎÄ ÄÏ ÏËÏÎÞÁÎÉÑ ÜËÓÐÏÚÉÃÉÉ"
 
-#. %d Ñ<>екунд до окончаниÑ<C2B8> паузы\n
+#: ccdfunc.c:777 client.c:270
-#: ccdfunc.c:773 client.c:271
 #, c-format
 msgid   "%d seconds till pause ends\n"
 msgstr  "%d ÓÅËÕÎÄ ÄÏ ÏËÏÎÞÁÎÉÑ ÐÁÕÚÙ\n"
@@ -39,7 +38,7 @@ msgstr  "
 msgid   "CMOS gain level"
 msgstr  "ÕÒÏ×ÅÎØ Gain CMOS"
 
-#: ccdfunc.c:557
+#: ccdfunc.c:556
 msgid   "Camera device not pointed"
 msgstr  "õÓÔÒÏÊÓÔ×Ï Ó×ÅÏÐÒÉÅÍÎÉËÁ ÎÅ ÐÏÄËÌÀÞÅÎÏ"
 
@@ -47,53 +46,52 @@ msgstr  "
 msgid   "Camera device unknown"
 msgstr  "õÓÔÒÏÊÓÔ×Ï Ó×ÅÏÐÒÉÅÍÎÉËÁ ÎÅ ÏÐÏÚÎÁÎÏ"
 
-#: ccdfunc.c:624
+#: ccdfunc.c:631
 #, c-format
 msgid   "Camera model: %s"
 msgstr  "íÏÄÅÌØ Ó×ÅÔÏÐÒÉÅÍÎÉËÁ: %s"
 
-#: ccdfunc.c:605
+#: ccdfunc.c:604
 msgid   "Camera plugin have no custom commands"
-msgstr  ""
+msgstr  "У плагина камеры нет особых команд"
 
-#: ccdfunc.c:753
+#: ccdfunc.c:758
 msgid   "Can't capture image"
 msgstr  "îÅ ÍÏÇÕ ÚÁÈ×ÁÔÉÔØ ÉÚÏÂÒÁÖÅÎÉÅ"
 
-#: ccdfunc.c:712
+#: ccdfunc.c:717
 msgid   "Can't change frame type"
 msgstr  "îÅ ÍÏÇÕ ÉÚÍÅÎÉÔØ ÔÉÐ ËÁÄÒÁ"
 
-#: ccdfunc.c:656
+#: ccdfunc.c:662
 msgid   "Can't configure (unsupported?)"
 msgstr  "îÅ ÍÏÇÕ ÓËÏÎÆÉÇÕÒÉÒÏ×ÁÔØ (ÏÐÃÉÑ ÎÅ ÐÏÄÄÅÒÖÉ×ÁÅÔÓÑ?)"
 
-#: ccdfunc.c:663
+#: ccdfunc.c:669
 msgid   "Can't get IOport state (unsupported?)"
 msgstr  "îÅ ÍÏÇÕ ÐÏÌÕÞÉÔØ ÓÏÓÔÏÑÎÉÅ ÐÏÒÔÁ I/O (ÎÅ ÐÏÄÄÅÒÖÉ×ÁÅÔÓÑ?)"
 
-#. GET binning should be AFTER setgeometry!
+#: ccdfunc.c:727
-#: ccdfunc.c:721
 msgid   "Can't get current binning"
 msgstr  "îÅ ÍÏÇÕ ÐÏÌÕÞÉÔØ ÔÅËÕÝÅÅ ÚÎÁÞÅÎÉÅ ÂÉÎÎÉÎÇÁ"
 
-#: ccdfunc.c:428
+#: ccdfunc.c:427
 msgid   "Can't get current focuser position"
 msgstr  "îÅ ÍÏÇÕ ÏÐÒÅÄÅÌÉÔØ ÔÅËÕÝÕÀ ÐÏÚÉÃÉÀ ÆÏËÕÓÅÒÁ"
 
-#: ccdfunc.c:421
+#: ccdfunc.c:420
 msgid   "Can't get focuser limit positions"
 msgstr  "îÅ ÍÏÇÕ ÏÐÒÅÄÅÌÉÔØ ÐÒÅÄÅÌØÎÕÀ ÐÏÚÉÃÉÀ ÆÏËÕÓÅÒÁ"
 
-#: ccdfunc.c:514
+#: ccdfunc.c:513
 msgid   "Can't get max wheel position"
 msgstr  "îÅ ÍÏÇÕ ÏÐÒÅÄÅÌÉÔØ ÐÒÅÄÅÌØÎÕÀ ÐÏÚÉÃÉÀ ËÏÌÅÓÁ"
 
-#: ccdfunc.c:760 ccdfunc.c:836
+#: ccdfunc.c:765 ccdfunc.c:840
 msgid   "Can't grab image"
 msgstr  "îÅ ÍÏÇÕ ÚÁÈ×ÁÔÉÔØ ÉÚÏÂÒÁÖÅÎÉÅ"
 
-#: ccdfunc.c:446
+#: ccdfunc.c:445
 msgid   "Can't home focuser"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÆÏËÕÓÅÒ × ÎÕÌØ"
 
@@ -109,152 +107,150 @@ msgstr  "
 msgid   "Can't open OpenGL window, image preview will be inaccessible"
 msgstr  "îÅ ÍÏÇÕ ÏÔËÒÙÔØ ÏËÎÏ OpenGL, ÏÔÏÂÒÁÖÅÎÉÅ ÂÕÄÅÔ ÎÅÄÏÓÔÕÐÎÏ"
 
-#: ccdfunc.c:650
+#: ccdfunc.c:657
 #, c-format
 msgid   "Can't run shutter command %s (unsupported?)"
 msgstr  "îÅ ÍÏÇÕ ×ÙÐÏÌÎÉÔØ ËÏÍÁÎÄÕ ÚÁÔ×ÏÒÁ %s (ÎÅ ÐÏÄÄÅÒÖÉ×ÁÅÔÓÑ?)"
 
-#. Ð<>е могу Ñ<>охранить файл
+#: ccdfunc.c:220
-#: ccdfunc.c:221
 #, c-format
 msgid   "Can't save file with prefix %s"
 msgstr  "îÅ ÍÏÇÕ ÓÏÈÒÁÎÉÔØ ÆÁÊÌ Ó ÐÒÅÆÉËÓÏÍ %s"
 
-#: ccdfunc.c:705
+#: ccdfunc.c:710
 #, c-format
 msgid   "Can't set %d flushes"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ %d ÓÂÒÏÓÏ×"
 
-#: ccdfunc.c:669
+#: ccdfunc.c:674
 msgid   "Can't set IOport"
 msgstr  "îÅ ÍÏÇÕ ÐÏÍÅÎÑÔØ ÚÎÁÞÅÎÉÑ ÐÏÒÔÁ I/O"
 
-#: ccdfunc.c:640
+#: ccdfunc.c:647
 #, c-format
 msgid   "Can't set T to %g degC"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÔÅÍÐÅÒÁÔÕÒÕ × %g ÇÒÁÄã"
 
-#: ccdfunc.c:599
+#: ccdfunc.c:598
 msgid   "Can't set active camera number"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÎÏÍÅÒ ÁËÔÉ×ÎÏÊ ËÁÍÅÒÙ"
 
-#: ccdfunc.c:407
+#: ccdfunc.c:406
 msgid   "Can't set active focuser number"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÎÏÍÅÒ ÁËÔÉ×ÎÏÇÏ ÆÏËÕÓÅÒÁ"
 
-#: ccdfunc.c:498
+#: ccdfunc.c:497
 msgid   "Can't set active wheel number"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÎÏÍÅÒ ÁËÔÉ×ÎÏÇÏ ËÏÌÅÓÁ"
 
-#: ccdfunc.c:689 server.c:265
+#: ccdfunc.c:694 server.c:265
 #, c-format
 msgid   "Can't set binning %dx%d"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÂÉÎÎÉÎÇ %dx%d"
 
-#: ccdfunc.c:715
+#: ccdfunc.c:720
 msgid   "Can't set bit depth"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÒÁÚÒÑÄÎÏÓÔØ áãð"
 
-#: ccdfunc.c:683
+#: ccdfunc.c:688
 #, c-format
 msgid   "Can't set brightness to %g"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÑÒËÏÓÔØ × %g"
 
-#: ccdfunc.c:709
+#: ccdfunc.c:714
 #, c-format
 msgid   "Can't set exposure time to %f seconds"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÜËÓÐÏÚÉÃÉÀ × %f ÓÅËÕÎÄ"
 
-#: ccdfunc.c:618
+#: ccdfunc.c:625
 msgid   "Can't set fan speed"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÓËÏÒÏÓÔØ ×ÅÎÔÉÌÑÔÏÒÏ×"
 
-#: ccdfunc.c:677
+#: ccdfunc.c:682
 #, c-format
 msgid   "Can't set gain to %g"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ Gain × %g"
 
-#: ccdfunc.c:701 server.c:266
+#: ccdfunc.c:706 server.c:266
 msgid   "Can't set given geometry"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÇÅÏÍÅÔÒÉÀ"
 
-#: ccdfunc.c:448
+#: ccdfunc.c:447
 #, c-format
 msgid   "Can't set position %g"
 msgstr  "îÅ ÍÏÇÕ ÉÚÍÅÎÉÔØ ÐÏÚÉÃÉÀ ÎÁ %g"
 
-#: ccdfunc.c:442
+#: ccdfunc.c:441
 #, c-format
 msgid   "Can't set position %g: out of limits [%g, %g]"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÐÏÚÉÃÉÀ %g: ×ÎÅ ÐÒÅÄÅÌÏ× [%g, %g]"
 
-#: ccdfunc.c:717
+#: ccdfunc.c:722
 msgid   "Can't set readout speed"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÓËÏÒÏÓÔØ ÓÞÉÔÙ×ÁÎÉÑ"
 
-#: ccdfunc.c:525
+#: ccdfunc.c:524
 #, c-format
 msgid   "Can't set wheel position %d"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÐÏÌÏÖÅÎÉÅ ËÏÌÅÓÁ %d"
 
-#: ccdfunc.c:748 ccdfunc.c:823 server.c:150
+#: ccdfunc.c:753 ccdfunc.c:827 server.c:150
 msgid   "Can't start exposition"
 msgstr  "îÅ ÍÏÇÕ ÎÁÞÁÔØ ÜËÓÐÏÚÉÃÉÀ"
 
-#. Захват кадра %d\n
+#: ccdfunc.c:751
-#: ccdfunc.c:746
 #, c-format
 msgid   "Capture frame %d"
 msgstr  "úÁÈ×ÁÔ ËÁÄÒÁ %d"
 
-#: ccdfunc.c:637
+#: ccdfunc.c:644
 #, c-format
 msgid   "Current format: %s"
-msgstr  ""
+msgstr  "Текущий формат: %s"
 
 #: cmdlnopts.c:118
 msgid   "Display image in OpenGL window"
-msgstr  "ïÔÏÂÒÁÖÅÎÉÅ ÉÚÏÂÒÁÖÅÎÉÑ × ÏËÎÅ OpenGL"
+msgstr  "отображение изображения в окне OpenGL"
 
 #: imageview.c:746
 #, c-format
 msgid   "Equalization of histogram: %s"
 msgstr  "üË×ÁÌÉÚÁÃÉÑ ÇÉÓÔÏÇÒÁÍÍÙ: %s"
 
-#: ccdfunc.c:278
+#: ccdfunc.c:277
 msgid   "Error saving file"
 msgstr  "ïÛÉÂËÁ ÓÏÈÒÁÎÅÎÉÑ ÆÁÊÌÁ"
 
-#: ccdfunc.c:634
+#: ccdfunc.c:641
 #, c-format
 msgid   "Field of view: %s"
 msgstr  "ðÏÌÅ ÚÒÅÎÉÑ: %s"
 
-#: ccdfunc.c:269
+#: ccdfunc.c:268
 #, c-format
 msgid   "File saved as '%s'"
 msgstr  "æÁÊÌ ÓÏÈÒÁÎÅÎ ËÁË '%s'"
 
-#: ccdfunc.c:365
+#: ccdfunc.c:364
 msgid   "Focuser device not pointed"
 msgstr  "õÓÔÒÏÊÓÔ×Ï ÆÏËÕÓÅÒÁ ÎÅ ÕËÁÚÁÎÏ"
 
-#: ccdfunc.c:595
+#: ccdfunc.c:594
 #, c-format
 msgid   "Found %d cameras, you point number %d"
 msgstr  "ïÂÎÁÒÕÖÅÎÏ %d ËÁÍÅÒ, ×Ù ÕËÁÚÁÌÉ %d"
 
-#: ccdfunc.c:403
+#: ccdfunc.c:402
 #, c-format
 msgid   "Found %d focusers, you point number %d"
 msgstr  "ïÂÎÁÒÕÖÅÎÏ %d ÆÏËÕÓÅÒÏ×, ×Ù ÕËÁÚÁÌÉ %d"
 
-#: ccdfunc.c:494
+#: ccdfunc.c:493
 #, c-format
 msgid   "Found %d wheels, you point number %d"
 msgstr  "ïÂÎÁÒÕÖÅÎÏ %d ËÏÌÅÓ, ×Ù ÕËÁÚÁÌÉ %d"
 
-#: ccdfunc.c:631
+#: ccdfunc.c:638
 #, c-format
 msgid   "Full array: %s"
 msgstr  "ðÏÌÎÙÊ ÆÏÒÍÁÔ: %s"
@@ -265,11 +261,10 @@ msgid   "Histogram conversion: %s"
 msgstr  "ðÒÅÏÂÒÁÚÏ×ÁÎÉÅ ÇÉÓÔÏÇÒÁÍÍÙ: %s"
 
 #: cmdlnopts.c:108
-#, fuzzy
 msgid   "INET image socket port"
-msgstr  "ÐÏÒÔ ÌÏËÁÌØÎÏÇÏ ÓÅÔÅ×ÏÇÏ ÓÏËÅÔÁ"
+msgstr  "порт локального сетевого сокета передачи изображения"
 
-#: ccdfunc.c:356
+#: ccdfunc.c:355
 #, c-format
 msgid   "Image stat:\n"
 msgstr  "óÔÁÔÉÓÔÉËÁ ÐÏ ÉÚÏÂÒÁÖÅÎÉÀ: \n"
@@ -282,80 +277,86 @@ msgstr  "N
 msgid   "No camera device"
 msgstr  "îÅ ÕËÁÚÁÎÏ ÕÓÔÒÏÊÓÔ×Ï ËÁÍÅÒÙ"
 
-#: ccdfunc.c:564 ccdfunc.c:565
+#: ccdfunc.c:563 ccdfunc.c:564
 msgid   "No cameras found"
 msgstr  "ëÁÍÅÒ ÎÅ ÏÂÎÁÒÕÖÅÎÏ"
 
-#: ccdfunc.c:372
+#: ccdfunc.c:371
 msgid   "No focusers found"
 msgstr  "æÏËÕÓÅÒÏ× ÎÅ ÏÂÎÁÒÕÖÅÎÏ"
 
-#: ccdfunc.c:463
+#: ccdfunc.c:462
 msgid   "No wheels found"
 msgstr  "ôÕÒÅÌÅÊ ÎÅ ÏÂÎÁÒÕÖÅÎÏ"
 
-#: ccdfunc.c:719
+#: ccdfunc.c:724
 msgid   "Only show statistics"
 msgstr  "ôÏÌØËÏ ÏÔÏÂÒÁÚÉÔØ ÓÔÁÔÉÓÔÉËÕ"
 
-#: ccdfunc.c:625
+#: ccdfunc.c:632
 #, c-format
 msgid   "Pixel size: %g x %g"
 msgstr  "òÁÚÍÅÒ ÐÉËÓÅÌÑ: %g x %g"
 
-#: ccdfunc.c:756
+#: ccdfunc.c:761
 msgid   "Read grabbed image"
 msgstr  "óÞÉÔÙ×ÁÎÉÅ ÉÚÏÂÒÁÖÅÎÉÑ"
 
-#: ccdfunc.c:718
+#: ccdfunc.c:723
 #, c-format
 msgid   "Readout mode: %s"
 msgstr  "òÅÖÉÍ ÓÞÉÔÙ×ÁÎÉÑ: %s"
 
-#: client.c:287
+#: client.c:286
 msgid   "Server timeout"
 msgstr  "ôÁÊÍÁÕÔ ÓÅÒ×ÅÒÁ"
 
-#: ccdfunc.c:682
+#: ccdfunc.c:687
 #, c-format
 msgid   "Set brightness to %g"
 msgstr  "õÓÔÁÎÏ×ÉÔØ ÑÒËÏÓÔØ × %g"
 
-#: ccdfunc.c:619
+#: ccdfunc.c:626
 #, c-format
 msgid   "Set fan speed to %d"
 msgstr  "îÅ ÍÏÇÕ ÕÓÔÁÎÏ×ÉÔØ ÓËÏÒÏÓÔØ ×ÅÎÔÉÌÑÔÏÒÏ× × %d"
 
-#: ccdfunc.c:676
+#: ccdfunc.c:681
 #, c-format
 msgid   "Set gain to %g"
 msgstr  "õÓÔÁÎÏ×ÉÔØ Gain × %g"
 
-#: ccdfunc.c:648
+#: ccdfunc.c:655
 #, c-format
 msgid   "Shutter command: %s\n"
 msgstr  "ëÏÍÁÎÄÁ ÚÁÔ×ÏÒÁ: %s\n"
 
-#: ccdfunc.c:834
+#: ccdfunc.c:838
 msgid   "Some error when capture"
-msgstr  ""
+msgstr  "Ошибка при захвате"
 
-#. "Попытка Ñ<>конфигурировать порт I/O как %d\n"
+#: ccdfunc.c:660
-#: ccdfunc.c:654
 #, c-format
 msgid   "Try to configure I/O port as %d"
 msgstr  "ðÏÐÙÔËÁ ÓËÏÎÆÉÇÕÒÉÒÏ×ÁÔØ ÐÏÒÔ I/O ËÁË %d"
 
-#. "Попытка запиÑ<C2B8>и %d в порт I/O\n"
+#: ccdfunc.c:672
-#: ccdfunc.c:667
 #, c-format
 msgid   "Try to write %d to I/O port"
 msgstr  "ðÏÐÙÔËÁ ÚÁÐÉÓÉ %d × ÐÏÒÔ I/O"
 
 #: cmdlnopts.c:106
-#, fuzzy
 msgid   "UNIX socket name (command socket)"
-msgstr  "éÍÑ UNIX-ÓÏËÅÔÁ"
+msgstr  "имя UNIX-сокета"
+
+#: ccdfunc.c:455
+msgid   "Wheel device not pointed"
+msgstr  "Устройство турели не указано"
+
+#: ccdfunc.c:520
+#, c-format
+msgid   "Wheel position should be from 0 to %d"
+msgstr  "Позиция колеса должна быть от 0 до %d"
 
 #: cmdlnopts.c:82
 msgid   "absolute (not divided by binning!) frame X0 coordinate (-1 - all "
@@ -391,16 +392,6 @@ msgstr  "
 msgid   "cancel current exposition"
 msgstr  "ÏÔÍÅÎÁ ÔÅËÕÝÅÊ ÜËÓÐÏÚÉÃÉÉ"
 
-#: ccdfunc.c:456
-#, fuzzy
-msgid   "cc_Wheel device not pointed"
-msgstr  "õÓÔÒÏÊÓÔ×Ï ÔÕÒÅÌÉ ÎÅ ÕËÁÚÁÎÏ"
-
-#: ccdfunc.c:521
-#, fuzzy, c-format
-msgid   "cc_Wheel position should be from 0 to %d"
-msgstr  "ðÏÚÉÃÉÑ ËÏÌÅÓÁ ÄÏÌÖÎÁ ÂÙÔØ ÏÔ 0 ÄÏ %d"
-
 #: cmdlnopts.c:88
 msgid   "close shutter"
 msgstr  "ÚÁËÒÙÔØ ÚÁÔ×ÏÒ"
@@ -416,9 +407,8 @@ msgstr  "
         "pin1 - ÍÌÁÄÛÉÊ ÂÉÔ, 1 - ×ÙÈÏÄ, 0 - ×ÈÏÄ)"
 
 #: cmdlnopts.c:48
-#, fuzzy
 msgid   "custom camera device plugin command"
-msgstr  "ÐÌÁÇÉÎ ËÁÍÅÒÙ (ÎÁÐÒÉÍÅÒ, devfli.so)"
+msgstr  "особые команды плагина камеры"
 
 #: cmdlnopts.c:61
 msgid   "fast readout mode"
@@ -437,8 +427,9 @@ msgid   "focuser device plugin (e.g. devzwo.so)"
 msgstr  "ÐÌÁÇÉÎ ÆÏËÕÓÅÒÁ (ÎÁÐÒÉÍÅÒ, devzwo.so)"
 
 #: cmdlnopts.c:114
-msgid   "force using image through socket transition even if can use SHM)"
+msgid   "force using image through socket transition even if can use SHM"
-msgstr  ""
+msgstr  "принудительно брать изображения из сокета даже если возможно "
+        "пользоваться разделяемой памятью"
 
 #: cmdlnopts.c:91
 msgid   "get value of I/O port pins"
@@ -457,7 +448,6 @@ msgid   "list connected devices"
 msgstr  "ÓÐÉÓÏË ÐÏÄËÌÀÞÅÎÎÙÈ ÕÓÔÒÏÊÓÔ×"
 
 #: cmdlnopts.c:107
-#, fuzzy
 msgid   "local INET command socket port"
 msgstr  "ÐÏÒÔ ÌÏËÁÌØÎÏÇÏ ÓÅÔÅ×ÏÇÏ ÓÏËÅÔÁ"
 
@@ -524,7 +514,7 @@ msgstr  "
 
 #: cmdlnopts.c:110
 msgid   "passive viewer (only get last images)"
-msgstr  ""
+msgstr  "пассивный просмотр (только последние кадры)"
 
 #: cmdlnopts.c:65
 msgid   "program author"
@@ -544,11 +534,11 @@ msgstr  "
 
 #: cmdlnopts.c:90
 msgid   "run exposition on HIGH @ pin5 I/O port"
-msgstr  ""
+msgstr  "запуск экспозиции по ВЫСОКОМУ сигналу на контакте 5 порта I/O"
 
 #: cmdlnopts.c:89
 msgid   "run exposition on LOW @ pin5 I/O port"
-msgstr  ""
+msgstr  "запуск экспозиции по НИЗКОМУ сигналу на контакте 5 порта I/O"
 
 #: cmdlnopts.c:60
 msgid   "run in 8-bit mode"
@@ -576,7 +566,7 @@ msgstr  "
 
 #: cmdlnopts.c:113
 msgid   "shared memory (with image data) key (default: 7777777)"
-msgstr  ""
+msgstr  "ключ разделяемой памяти с данными изображения (по умолчанию: 7777777)"
 
 #: cmdlnopts.c:56
 msgid   "show this help"
@@ -584,7 +574,7 @@ msgstr  "
 
 #: cmdlnopts.c:115
 msgid   "start (!=0) or stop(==0) infinity capturing loop"
-msgstr  ""
+msgstr  "начать (!=0) или закончить (==0) бесконечный цикл захвата изображений"
 
 #: cmdlnopts.c:58
 msgid   "verbose level (-V - messages, -VV - debug, -VVV - all shit)"
@@ -601,29 +591,3 @@ msgstr  "
 #: cmdlnopts.c:51
 msgid   "wheel device plugin (e.g. devdummy.so)"
 msgstr  "ÐÌÁÇÉÎ ÕÓÔÒÏÊÓÔ×Á ÔÕÒÅÌÉ (ÎÁÐÒÉÍÅÒ, devdummy.so)"
-
-#, c-format
-#~ msgid        "Can't find camera in plugin %s: %s"
-#~ msgstr       "îÅ ÍÏÇÕ ÎÁÊÔÉ ÐÌÁÇÉÎ ËÁÍÅÒÙ %s: %s"
-
-#, c-format
-#~ msgid        "Can't find focuser in plugin %s: %s"
-#~ msgstr       "îÅ ÍÏÇÕ ÎÁÊÔÉ ÐÌÁÇÉÎ ÆÏËÕÓÅÒÁ %s: %s"
-
-#, c-format
-#~ msgid        "Can't find plugin %s: %s"
-#~ msgstr       "îÅ ÍÏÇÕ ÎÁÊÔÉ ÐÌÁÇÉÎ %s: %s"
-
-#, c-format
-#~ msgid        "Can't find wheel in plugin %s: %s"
-#~ msgstr       "îÅ ÍÏÇÕ ÎÁÊÔÉ ÐÌÁÇÉÎ ÔÕÒÅÌÉ %s: %s"
-
-#~ msgid        "Neither filename nor filename prefix pointed!"
-#~ msgstr       "îÉ ÉÍÑ ÆÁÊÌÁ, ÎÉ ÐÒÅÆÉËÓ ÎÅ ÕËÁÚÁÎÙ!"
-
-#~ msgid        "PID file (default: "
-#~ msgstr       "PID-ÆÁÊÌ (ÐÏ ÕÍÏÌÞÁÎÉÀ: "
-
-#, fuzzy
-#~ msgid        "local INET socket port to send/receive images"
-#~ msgstr       "ÐÏÒÔ ÌÏËÁÌØÎÏÇÏ ÓÅÔÅ×ÏÇÏ ÓÏËÅÔÁ"

server.c

@@ -958,11 +958,14 @@ static cc_hresult inftyhandler(int fd, _U_ const char *key, const char *val){
 // custom camera plugin command
 static cc_hresult pluginhandler(int fd, _U_ const char *key, const char *val){
     if(!camera->plugincmd) return RESULT_BADKEY;
-    const char *r = camera->plugincmd(val);
+    static cc_charbuff *ans = NULL;
-    if(!r) return RESULT_FAIL;
+    if(!ans) ans = cc_charbufnew();
-    if(*r == 0) return RESULT_OK;
+    cc_buff_lock(ans);
-    if(!cc_sendstrmessage(fd, r)) return RESULT_DISCONNECTED;
+    cc_charbufclr(ans);
-    return RESULT_SILENCE;
+    cc_hresult r = camera->plugincmd(val, ans);
+    cc_buff_unlock(ans);
+    if(ans->buflen && !cc_sendstrmessage(fd, ans->buf)) r = RESULT_DISCONNECTED;
+    return r;
 }
 
 // get headers