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Retry Hyperion indefinitely with autostart enabled

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matze19999 committed 2026-10-06 14:12:44 +02:00
1 parent 3160cf005b
commit e720045bb1
13 files changed
+102 -33
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native/service.c
+27 -18
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@@ -23,6 +23,7 @@
#include "interpolation.h"
#include "layout.h"
#include "autostart.h"
#include "retry.h"
#define SERVICE "org.webosbrew.histogramhyperion.service"
#define PRIORITY 149
typedef struct {int code;char *message;const char *file;int line;const char *func;void *padding;unsigned long magic;} LSError;
@@ -59,8 +60,7 @@ static bool color_valid;
static unsigned led_count;
static LedBlend *led_blends;
static bool interpolation_enabled;
static unsigned recovery_attempts;
static uint64_t retry_at;
static RetryState retries;
static uint64_t milliseconds(void){struct timespec t;clock_gettime(CLOCK_MONOTONIC,&t);return (uint64_t)t.tv_sec*1000+t.tv_nsec/1000000;}
static char last_error[256];
static volatile sig_atomic_t revoked,quitting;
@@ -118,54 +118,63 @@ static void stop_capture(void){
if(capture){vt_finish(capture);capture=NULL;}
}
static bool respond(void *h,void *m,const char *s){if(!h||!m)return true;LSError e;error_init(&e);bool ok=reply(h,m,s,&e);error_free(&e);return ok;}
static bool start_failure(void *h,void *m,const char *message){
retry_update(&retries,boot_enabled() && geteuid()==0,false,milliseconds());
char json[512];snprintf(json,sizeof(json),"{\"returnValue\":false,\"errorText\":\"%s\",\"retryScheduled\":%s,\"retryBlocked\":%s}",message,retries.due?"true":"false",retries.blocked?"true":"false");
return respond(h,m,json);
}
static bool start(void *h,void *m,void *ctx){
(void)ctx;const char *p=m?payload(m):NULL;
if(p && strcmp(p,"{}")!=0)return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Start expects an empty object; endpoint is localhost:19444\"}");
if(m)retry_reset(&retries);
if(capture)return respond(h,m,"{\"returnValue\":true,\"running\":true}");
if(m){retry_at=0;recovery_attempts=0;}
frames=0;revoked=0;last_error[0]=0;lg_diagnostic[0]=0;
if(!enter_developer_mode()){set_error("Developer initialization needs root. Elevate this own service through Homebrew Channel.");return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Root access is required for temporary LG developer initialization\"}");}
capture=vt_init(policy);
if(!leave_developer_mode()){stop_capture();set_error("Could not restore LG developer marker; check vt_devmode before retrying");return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Developer marker cleanup failed\"}");}
if(!capture){set_error("LG could not acquire the histogram capture resource. Check for another active capture source; no colors are being sent.");return respond(h,m,"{\"returnValue\":false,\"errorCode\":1,\"errorText\":\"LG refused histogram initialization. Another capture source may hold VT_CAPTURE. No colors are being sent.\"}");}
if(vt_preset(capture,0)!=0){stop_capture();set_error("LG histogram preset initialization failed");return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Histogram preset failed\"}");}
capture_preset=letterbox_mode=settling=0;pending_letterbox=-1;next_border_probe=0;
output=socket(AF_INET,SOCK_STREAM,0);
struct timeval timeout={1,0};
if(output>=0){setsockopt(output,SOL_SOCKET,SO_SNDTIMEO,&timeout,sizeof(timeout));setsockopt(output,SOL_SOCKET,SO_RCVTIMEO,&timeout,sizeof(timeout));}
struct sockaddr_in a={.sin_family=AF_INET,.sin_port=htons(19444),.sin_addr={htonl(INADDR_LOOPBACK)}};
if(output<0||connect(output,(void*)&a,sizeof(a))!=0){stop_capture();set_error("Hyperion JSON server is unavailable on localhost:19444");return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Cannot connect to local Hyperion\"}");}
if(!read_layout()){stop_capture();set_error("Cannot read a valid LED layout from Hyperion");return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Cannot read Hyperion LED layout\"}");}
if(output<0||connect(output,(void*)&a,sizeof(a))!=0){stop_capture();set_error("Hyperion JSON server is unavailable on localhost:19444");return start_failure(h,m,"Cannot connect to local Hyperion");}
if(!read_layout()){stop_capture();set_error("Cannot read a valid LED layout from Hyperion");return start_failure(h,m,"Cannot read Hyperion LED layout");}
if(!enter_developer_mode()){stop_capture();set_error("Developer initialization needs root. Elevate this own service through Homebrew Channel.");return start_failure(h,m,"Root access is required for temporary LG developer initialization");}
capture=vt_init(policy);
if(!leave_developer_mode()){stop_capture();retries.blocked=true;set_error("Developer marker cleanup failed; manual intervention required");return start_failure(h,m,"Developer marker cleanup failed");}
if(!capture){stop_capture();set_error("LG refused histogram initialization");return start_failure(h,m,"LG refused histogram initialization. Another capture source may hold VT_CAPTURE.");}
if(vt_preset(capture,0)!=0){stop_capture();set_error("LG histogram preset initialization failed");return start_failure(h,m,"Histogram preset failed");}
capture_preset=letterbox_mode=settling=0;pending_letterbox=-1;next_border_probe=0;
retries.due=0;retries.attempts=0;
return respond(h,m,"{\"returnValue\":true,\"running\":true}");
}
static bool stop(void *h,void *m,void *ctx){(void)ctx;retry_at=0;recovery_attempts=0;stop_capture();return respond(h,m,"{\"returnValue\":true,\"running\":false}");}
static bool stop(void *h,void *m,void *ctx){(void)ctx;retry_pause(&retries);stop_capture();return respond(h,m,"{\"returnValue\":true,\"running\":false}");}
static bool autostart(void *h,void *m,void *ctx){
(void)ctx;const char *p=m?payload(m):NULL;bool enabled;
if(p && strcmp(p,"{\"enabled\":true}")==0)enabled=true;
else if(p && strcmp(p,"{\"enabled\":false}")==0)enabled=false;
else return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Expected enabled boolean\"}");
if(geteuid()!=0 || !set_boot(enabled))return respond(h,m,"{\"returnValue\":false,\"errorText\":\"Autostart could not be saved. Check own service root elevation and boot hook.\"}");
if(enabled)retry_reset(&retries);
retry_update(&retries,enabled,capture!=NULL,milliseconds());
return respond(h,m,enabled?"{\"returnValue\":true,\"autostart\":true}":"{\"returnValue\":true,\"autostart\":false}");
}
static bool status(void *h,void *m,void *ctx){
(void)ctx;char json[4096],safe[512];size_t n=0;
for(size_t i=0;last_error[i] && n+2<sizeof(safe);i++){char c=last_error[i];if(c=='"'||c=='\\')safe[n++]='\\';if((unsigned char)c>=32)safe[n++]=c;}safe[n]=0;
int used=snprintf(json,sizeof(json),"{\"returnValue\":true,\"version\":\"0.6.3\",\"running\":%s,\"colorValid\":%s,\"frames\":%lu,\"endpoint\":\"127.0.0.1:19444\",\"priority\":%d,\"uid\":%u,\"drmVerified\":false,\"mappingVerified\":false,\"outputColor\":[%u,%u,%u],\"error\":\"%s\",\"regions\":[",capture?"true":"false",color_valid?"true":"false",frames,PRIORITY,(unsigned)geteuid(),sent_rgb[0],sent_rgb[1],sent_rgb[2],safe);
int used=snprintf(json,sizeof(json),"{\"returnValue\":true,\"version\":\"0.6.4\",\"running\":%s,\"colorValid\":%s,\"frames\":%lu,\"endpoint\":\"127.0.0.1:19444\",\"priority\":%d,\"uid\":%u,\"drmVerified\":false,\"mappingVerified\":false,\"outputColor\":[%u,%u,%u],\"error\":\"%s\",\"regions\":[",capture?"true":"false",color_valid?"true":"false",frames,PRIORITY,(unsigned)geteuid(),sent_rgb[0],sent_rgb[1],sent_rgb[2],safe);
for(int i=0;i<16;i++)used+=snprintf(json+used,sizeof(json)-used,"%s[%u,%u,%u]",i?",":"",rgb[i][0],rgb[i][1],rgb[i][2]);
used+=snprintf(json+used,sizeof(json)-used,"],\"ledCount\":%u,\"spatialOutput\":%s,\"blackPercent\":[",led_count,led_count?"true":"false");
for(int i=0;i<16;i++)used+=snprintf(json+used,sizeof(json)-used,"%s%u",i?",":"",black_percent[i]);
snprintf(json+used,sizeof(json)-used,"],\"preset\":%u,\"saturationGain\":2.0,\"brightnessGain\":1.33,\"spatialInterpolation\":%s,\"blackBarDetection\":true,\"autostart\":%s,\"letterboxDetected\":%s}",capture_preset,interpolation_enabled?"true":"false",boot_enabled()?"true":"false",capture&&letterbox_mode?"true":"false");return respond(h,m,json);
snprintf(json+used,sizeof(json)-used,"],\"preset\":%u,\"saturationGain\":2.0,\"brightnessGain\":1.33,\"spatialInterpolation\":%s,\"blackBarDetection\":true,\"autostart\":%s,\"retryScheduled\":%s,\"retryPaused\":%s,\"retryBlocked\":%s,\"retryAttempts\":%u,\"letterboxDetected\":%s}",capture_preset,interpolation_enabled?"true":"false",boot_enabled()?"true":"false",retries.due?"true":"false",retries.paused?"true":"false",retries.blocked?"true":"false",retries.attempts,capture&&letterbox_mode?"true":"false");return respond(h,m,json);
}
static int tick(void *unused){
(void)unused;
if(!capture){
if(retry_at && milliseconds()>=retry_at){
retry_at=0;recovery_attempts++;start(NULL,NULL,NULL);
if(!capture && recovery_attempts<6)retry_at=milliseconds()+5000;
retry_update(&retries,boot_enabled() && geteuid()==0,false,milliseconds());
if(retry_take(&retries,milliseconds())){
start(NULL,NULL,NULL);
if(!capture)retry_failure(&retries,milliseconds());
}
return 1;
}
if(revoked){set_error("LG revoked capture; retrying initialization after source transition");stop_capture();recovery_attempts=0;retry_at=milliseconds()+5000;return 1;}
if(revoked){set_error("LG revoked capture; retrying initialization after source transition");stop_capture();retries.attempts=0;retry_failure(&retries,milliseconds());return 1;}
if(settling){settling--;return 1;}
if(letterbox_mode && capture_preset==1 && milliseconds()>=next_border_probe){
if(vt_preset(capture,0)!=0){set_error("Border probe preset failed");stop_capture();return 1;}