Release 0.13.0

native/probe.c

@@ -7,28 +7,61 @@
 #include <stdarg.h>
 #include "histogram.h"
 /* Process-local diagnostic sink. It changes logging only, not capture policy. */
-void printLog(const char *context,int level,const char *message_id,
-              const char *file,const char *function,int line,const char *format,...) {
- (void)context;(void)level;(void)message_id;(void)file;
- fprintf(stderr,"LG %s:%d: ",function?function:"?",line);
- if(format){va_list args;va_start(args,format);vfprintf(stderr,format,args);va_end(args);}fputc('\n',stderr);
+void printLog(const char *context, int level, const char *message_id, const char *file,
+              const char *function, int line, const char *format, ...) {
+    (void)context;
+    (void)level;
+    (void)message_id;
+    (void)file;
+    fprintf(stderr, "LG %s:%d: ", function ? function : "?", line);
+    if (format) {
+        va_list args;
+        va_start(args, format);
+        vfprintf(stderr, format, args);
+        va_end(args);
+    }
+    fputc('\n', stderr);
+}
+static bool policy(void) {
+    fprintf(stderr, "Capture revoked by LG policy\n");
+    return true;
 }
-static bool policy(void) { fprintf(stderr,"Capture revoked by LG policy\n"); return true; }
 int main(void) {
- void *lib=dlopen("libvtcapture.so.1",RTLD_NOW);
- if(!lib){fprintf(stderr,"dlopen: %s\n",dlerror());return 1;}
- void *(*init)(bool(*)(void))=dlsym(lib,"vtCapture_initHistogram");
- int (*preset)(void*,int)=dlsym(lib,"vtCapture_setPresetHistogram");
- int (*get)(void*,Histogram*)=dlsym(lib,"vtCapture_getHistogram");
- int (*finish)(void*)=dlsym(lib,"vtCapture_finalizeHistogram");
- if(!init||!preset||!get||!finish)return 2;
- void *handle=init(policy); fprintf(stderr,"handle=%p\n",handle);
- if(!handle)return 3;
- int rc=preset(handle,0);fprintf(stderr,"preset=%d\n",rc);
- Histogram hist[16];
- for(int frame=0;rc==0 && frame<3;frame++) {
-  usleep(100000); rc=get(handle,hist); printf("frame=%d rc=%d\n",frame,rc);
-  if(rc==0)for(int i=0;i<16;i++) {printf("region=%u",hist[i].id);for(int c=0;c<3;c++){uint64_t sum=0;for(int b=0;b<256;b++)sum+=hist[i].bins[c][b];printf(" ch%d_count=%llu mean=%u",c,(unsigned long long)sum,histogram_mean(hist[i].bins[c]));} puts("");}
- }
- fprintf(stderr,"finalize=%d\n",finish(handle)); return rc?4:0;
+    void *lib = dlopen("libvtcapture.so.1", RTLD_NOW);
+    if (!lib) {
+        fprintf(stderr, "dlopen: %s\n", dlerror());
+        return 1;
+    }
+    void *(*init)(bool (*)(void)) = dlsym(lib, "vtCapture_initHistogram");
+    int (*preset)(void *, int) = dlsym(lib, "vtCapture_setPresetHistogram");
+    int (*get)(void *, Histogram *) = dlsym(lib, "vtCapture_getHistogram");
+    int (*finish)(void *) = dlsym(lib, "vtCapture_finalizeHistogram");
+    if (!init || !preset || !get || !finish)
+        return 2;
+    void *handle = init(policy);
+    fprintf(stderr, "handle=%p\n", handle);
+    if (!handle)
+        return 3;
+    int rc = preset(handle, 0);
+    fprintf(stderr, "preset=%d\n", rc);
+    Histogram hist[16];
+    for (int frame = 0; rc == 0 && frame < 3; frame++) {
+        usleep(100000);
+        rc = get(handle, hist);
+        printf("frame=%d rc=%d\n", frame, rc);
+        if (rc == 0)
+            for (int i = 0; i < 16; i++) {
+                printf("region=%u", hist[i].id);
+                for (int c = 0; c < 3; c++) {
+                    uint64_t sum = 0;
+                    for (int b = 0; b < 256; b++)
+                        sum += hist[i].bins[c][b];
+                    printf(" ch%d_count=%llu mean=%u", c, (unsigned long long)sum,
+                           histogram_mean(hist[i].bins[c]));
+                }
+                puts("");
+            }
+    }
+    fprintf(stderr, "finalize=%d\n", finish(handle));
+    return rc ? 4 : 0;
 }