Add debug mode for seafdav (#641)

* Add debug mode for seafdav

* Use seafdav conf

---------

Co-authored-by: yangheran <heran.yang@seafile.com>

controller/seafile-controller.c

@@ -370,6 +370,22 @@ start_seafdav() {
     char port[16];
     snprintf (port, sizeof(port), "%d", conf.port);
 
+    int pid;
+    if (conf.debug_mode) {
+        char *argv[] = {
+            (char *)get_python_executable(),
+            "-m", "wsgidav.server.server_cli",
+            "--server", "gunicorn",
+            "--root", "/",
+            "--log-file", seafdav_log_file, 
+            "--pid", ctl->pidfile[PID_SEAFDAV],
+            "--port", port,
+            "--host", conf.host,
+            "-v",
+            NULL
+        };
+        pid = spawn_process (argv, true);
+    } else {
         char *argv[] = {
             (char *)get_python_executable(),
             "-m", "wsgidav.server.server_cli",
@@ -381,8 +397,8 @@ start_seafdav() {
             "--host", conf.host,
             NULL
         };
-
+        pid = spawn_process (argv, true);
-    int pid = spawn_process (argv, true);
+    }
 
     if (pid <= 0) {
         seaf_warning ("Failed to spawn seafdav\n");
@@ -779,6 +795,15 @@ read_seafdav_config()
         g_clear_error (&error);
     }
 
+    ctl->seafdav_config.debug_mode = g_key_file_get_boolean (key_file, "WEBDAV", "debug", &error);
+    if (error != NULL) {
+        if (error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND) {
+            seaf_message ("Error when reading WEBDAV.debug, use deafult value FALSE\n");
+        }
+        ctl->seafdav_config.debug_mode = FALSE;
+        g_clear_error (&error);
+    }
+
     if (ctl->seafdav_config.port <= 0 || ctl->seafdav_config.port > 65535) {
         seaf_warning("Failed to load seafdav config: invalid port %d\n", ctl->seafdav_config.port);
         ret = -1;

controller/seafile-controller.h

@@ -35,6 +35,7 @@ typedef struct SeafDavConfig {
     gboolean enabled;
     int port;
     char *host;
+    gboolean debug_mode;
 
 } SeafDavConfig;