Trace browser state, transfer I/O and daemon PID

tools/chatgui/src/member_files/browser.cpp

@@ -140,11 +140,18 @@ void MemberFileBrowser::updateActions() {
 }
 
 bool MemberFileBrowser::post(mf_message& message) {
-    if (!m_group || !server() || !gui_bridge_is_uasync_ready()) return false;
+    if (!m_group || !server() || !gui_bridge_is_uasync_ready()) {
+        DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI post rejected cmd=%s group=%llx server=%llx ready=%d",
+                    mf_command_text(message.command), (unsigned long long)m_group, (unsigned long long)server(), gui_bridge_is_uasync_ready());
+        return false;
+    }
     auto* q = (mf_gui_request*)u_calloc(1, sizeof(mf_gui_request));
     if (!q) { DEBUG_ERROR(DEBUG_CATEGORY_MEDIA, "file browser: request allocation failed"); return false; }
     message.request_id = requestId(); message.kind = MF_REQUEST;
     q->inst = gui_bridge_get_inst(); q->group = m_group; q->server = server(); q->message = message;
+    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI post id=%llu cmd=%s group=%llx server=%llx owner=%llx path=%s",
+        (unsigned long long)message.request_id, mf_command_text(message.command), (unsigned long long)m_group,
+        (unsigned long long)server(), (unsigned long long)message.owner, message.path);
     gui_bridge_post_uasync_fn(member_files_gui_request, q); return true;
 }
 
@@ -156,6 +163,8 @@ void MemberFileBrowser::cancelRequest(quint64 id) {
 }
 
 void MemberFileBrowser::refresh() {
+    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI refresh old_id=%llu group=%llx server=%llx owner=%llx path=%s",
+        (unsigned long long)m_listId, (unsigned long long)m_group, (unsigned long long)server(), (unsigned long long)owner(), qPrintable(m_path));
     cancelRequest(m_listId); m_listId = 0; m_entries->clear(); m_location->setText(m_path); updateActions();
     if (!server()) { m_status->setText(text("No media server in this group")); return; }
     mf_message q{}; q.command = MF_LIST; q.owner = owner();
@@ -180,8 +189,17 @@ void MemberFileBrowser::enter(QTreeWidgetItem* item) {
 }
 
 void MemberFileBrowser::onResponse(const uint8_t* data, int length) {
-    if (length < 16 || mf_get64(data) != m_group || mf_get64(data + 8) != server()) return;
+    if (!data || length < 16) { DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI short response bytes=%d", length); return; }
+    if (mf_get64(data) != m_group || mf_get64(data + 8) != server()) {
+        DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI response ignored context group=%llx/%llx server=%llx/%llx",
+            (unsigned long long)mf_get64(data), (unsigned long long)m_group,
+            (unsigned long long)mf_get64(data + 8), (unsigned long long)server());
+        return;
+    }
     mf_message r{}; if (mf_decode(data + 16, (size_t)length - 16, &r)) return;
+    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI response id=%llu list_id=%llu cmd=%s status=%s bytes=%u owner=%llx/%llx path=%s",
+        (unsigned long long)r.request_id, (unsigned long long)m_listId, mf_command_text(r.command), mf_status_text(r.status), r.data_len,
+        (unsigned long long)r.owner, (unsigned long long)owner(), r.path);
     if (r.request_id == m_listId && r.owner == owner() && QString::fromUtf8(r.path) == m_path) {
         if (r.status) {
             m_listId = 0;
@@ -211,10 +229,16 @@ void MemberFileBrowser::onResponse(const uint8_t* data, int length) {
         } else {
             m_listId = 0; m_entries->setSortingEnabled(true); m_entries->sortItems(0, Qt::AscendingOrder);
             m_status->setText(text("%1 entries").arg(m_entries->topLevelItemCount())); updateActions();
+            DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI directory ready id=%llu entries=%d",
+                        (unsigned long long)r.request_id, m_entries->topLevelItemCount());
         }
         return;
     }
-    if (!m_actions.contains(r.request_id)) return;
+    if (!m_actions.contains(r.request_id)) {
+        DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "member_files: GUI response ignored stale id=%llu cmd=%s",
+                    (unsigned long long)r.request_id, mf_command_text(r.command));
+        return;
+    }
     uint8_t command = m_actions.take(r.request_id);
     if (r.status && r.status != MF_CANCELLED) { QMessageBox::warning(this, text("Group files"), QString::fromUtf8(mf_status_text(r.status))); return; }
     if (command == MF_STAT && !r.status) {