Claude: File chunking system

platform_shared/message.proto

@@ -11,28 +11,112 @@ message KnownNetworkItem { string ssid = 1; string password = 2; bool static_ip
 
 // ----- FILESYSTEM -----
 
-message File { string name = 10; } // Add permissions?
+message File {
+    string name = 10;
+    uint32 size = 20;
+}
+
 message Directory {
     string name = 10;
     repeated File files = 20;
     repeated Directory directories = 30;
 }
-enum FileRequestOptions {
-    DELETE = 0;
-    EDIT = 1;
-    MKDIR = 2;
-    GET = 3;
-    POST = 4;
 
-    START_UPLOAD = 10;
+// Delete a file or directory
+message FSDeleteRequest {
+    string path = 1;
 }
 
-message FSDelete { string path = 1; }
+message FSDeleteResponse {
+    bool success = 1;
+    string error = 2;
+}
 
-message FilesystemRequest {
-    oneof type {
-        
-    }
+// Create directory
+message FSMkdirRequest {
+    string path = 1;
+}
+
+message FSMkdirResponse {
+    bool success = 1;
+    string error = 2;
+}
+
+// List files/directories
+message FSListRequest {
+    string path = 1;
+}
+
+message FSListResponse {
+    bool success = 1;
+    string error = 2;
+    repeated File files = 3;
+    repeated Directory directories = 4;
+}
+
+// Download from ESP (ESP -> Client)
+message FSDownloadStartRequest {
+    string path = 1;  // File path on ESP to download
+}
+
+message FSDownloadStartResponse {
+    bool success = 1;
+    string error = 2;
+    uint32 file_size = 3;      // Total file size in bytes
+    uint32 chunk_size = 4;     // Size of each chunk (max 1024)
+    uint32 total_chunks = 5;   // Total number of chunks
+    string transfer_id = 6;    // Unique ID for this transfer
+}
+
+message FSDownloadChunkRequest {
+    string transfer_id = 1;
+    uint32 chunk_index = 2;    // Which chunk to request (0-based)
+}
+
+message FSDownloadChunkResponse {
+    string transfer_id = 1;
+    uint32 chunk_index = 2;
+    bytes data = 3;            // Chunk data (max 1024 bytes)
+    bool is_last = 4;          // True if this is the last chunk
+    string error = 5;
+}
+
+// Upload to ESP (Client -> ESP)
+message FSUploadStartRequest {
+    string path = 1;           // Destination path on ESP
+    uint32 file_size = 2;      // Total file size in bytes
+    uint32 chunk_size = 3;     // Size of each chunk (max 1024)
+}
+
+message FSUploadStartResponse {
+    bool success = 1;
+    string error = 2;
+    string transfer_id = 3;    // Unique ID for this transfer
+    uint32 max_chunk_size = 4; // Server's max chunk size (1024)
+}
+
+message FSUploadChunkRequest {
+    string transfer_id = 1;
+    uint32 chunk_index = 2;    // Which chunk this is (0-based)
+    bytes data = 3;            // Chunk data (max 1024 bytes)
+    bool is_last = 4;          // True if this is the last chunk
+}
+
+message FSUploadChunkResponse {
+    string transfer_id = 1;
+    uint32 chunk_index = 2;
+    bool success = 3;
+    string error = 4;
+    bool transfer_complete = 5; // True when all chunks received
+}
+
+// Cancel transfer
+message FSCancelTransferRequest {
+    string transfer_id = 1;
+}
+
+message FSCancelTransferResponse {
+    bool success = 1;
 }
 
 // ----- FILESYSTEM -----
@@ -83,6 +167,14 @@ message CorrelationRequest {
         I2CScanDataRequest i2c_scan_data_request = 20;
         IMUCalibrateExecute imu_calibrate_execute = 30;
         SystemInformationRequest system_information_request = 40;
+        FSDeleteRequest fs_delete_request = 50;
+        FSMkdirRequest fs_mkdir_request = 60;
+        FSListRequest fs_list_request = 70;
+        FSDownloadStartRequest fs_download_start_request = 80;
+        FSDownloadChunkRequest fs_download_chunk_request = 90;
+        FSUploadStartRequest fs_upload_start_request = 100;
+        FSUploadChunkRequest fs_upload_chunk_request = 110;
+        FSCancelTransferRequest fs_cancel_transfer_request = 120;
     }
 }
 
@@ -94,6 +186,14 @@ message CorrelationResponse {
         I2CScanData i2c_scan_data = 20;
         IMUCalibrateData imu_calibrate_data = 30;
         SystemInformationResponse system_information_response = 40;
+        FSDeleteResponse fs_delete_response = 50;
+        FSMkdirResponse fs_mkdir_response = 60;
+        FSListResponse fs_list_response = 70;
+        FSDownloadStartResponse fs_download_start_response = 80;
+        FSDownloadChunkResponse fs_download_chunk_response = 90;
+        FSUploadStartResponse fs_upload_start_response = 100;
+        FSUploadChunkResponse fs_upload_chunk_response = 110;
+        FSCancelTransferResponse fs_cancel_transfer_response = 120;
     }
 }