Document (and tweak) log format

doc/gmnisrv.scd

@@ -20,6 +20,20 @@ provides the -C flag.
 *-C* _path_
 	Specifies an alternate path to read the config file from.
 
+# LOG FORMAT
+
+Server diagnostics and client errors are printed to *stderr* in an unspecified
+format. Nominal client logging is printed to *stdout*, with each of the
+following fields in order, separated by whitespace:
+
+- Client IP
+- Request hostname
+- Request path
+- Service time
+- Response body size in bytes
+- Response status
+- Response meta
+
 # SEE ALSO
 
 *gmnisrv.ini*(5)

src/server.c

@@ -179,11 +179,10 @@ disconnect_client(struct gmnisrv_server *server, struct gmnisrv_client *client)
 		clock_gettime(CLOCK_MONOTONIC, &now);
 		timespec_diff(&client->ctime, &now, &diff);
 		int ms = diff.tv_sec * 1000 + (int)(diff.tv_nsec / 1.0e6);
-		client_log(&client->addr, "%3dms %5d %s %s %02d %s",
-			ms, client->bbytes,
+		client_log(&client->addr, "%s %s %3dms %5d %02d %s",
 			client->host ? client->host->hostname : "(none)",
 			client->path ? client->path : "(none)",
-			(int)client->status, client->meta);
+			ms, client->bbytes, (int)client->status, client->meta);
 	}
 	if (client->bio) {
 		BIO_free_all(client->bio);