Rework inbox

src/controller/inbox.c

@@ -57,8 +57,19 @@ bool route_inbox( struct http_request* req )
 	clock_gettime( CLOCK_REALTIME, &ts );
 	time_ns = (uint64_t)ts.tv_sec * 1000000000 + (uint64_t)ts.tv_nsec;
 
+	int head = 0;
+	FILE* head_f = fopen("data/inbox/HEAD","r");
+	fscanf( head_f, "%d", &head );
+	fclose( head_f );
+
+	head += 1;
+	head_f = fopen("data/inbox/HEAD.tmp","w");
+	fprintf( head_f, "%d", head );
+	fclose( head_f );
+	rename( "data/inbox/HEAD.tmp", "data/inbox/HEAD" );
+
 	char filename[512];
-	snprintf( filename, 512, "data/inbox/%llu.json", time_ns );
+	snprintf( filename, 512, "data/inbox/%d.json", head );
 	char tmp_filename[512+32];
 	snprintf( tmp_filename, 512+32, "%s.tmp-%d", filename, rand() );
 

src/view/inbox_envelope.json.template

@@ -1,5 +1,5 @@
 {
 	"signature": "%( write_json_escaped( f, signature ); )",
-	"date": "%( write_json_escaped( f, signature ); )",
+	"when": "%llu{time_ns}",
 	"body": %( io_copy( body, f ); )
 }