ref: e5b73212f6addcfdb5e306df63d7135e543c4f8d
src/components/ble/FSService.cpp
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#include <nrf_log.h> #include "FSService.h" #include "components/ble/BleController.h" #include "systemtask/SystemTask.h" using namespace Pinetime::Controllers; constexpr ble_uuid16_t FSService::fsServiceUuid; constexpr ble_uuid128_t FSService::fsVersionUuid; constexpr ble_uuid128_t FSService::fsTransferUuid; int FSServiceCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) { auto* fsService = static_cast<FSService*>(arg); return fsService->OnFSServiceRequested(conn_handle, attr_handle, ctxt); } FSService::FSService(Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::FS& fs) : systemTask {systemTask}, fs {fs}, characteristicDefinition {{.uuid = &fsVersionUuid.u, .access_cb = FSServiceCallback, .arg = this, .flags = BLE_GATT_CHR_F_READ, .val_handle = &versionCharacteristicHandle}, { .uuid = &fsTransferUuid.u, .access_cb = FSServiceCallback, .arg = this, .flags = BLE_GATT_CHR_F_WRITE | BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY, .val_handle = &transferCharacteristicHandle, }, {0}}, serviceDefinition { {/* Device Information Service */ .type = BLE_GATT_SVC_TYPE_PRIMARY, .uuid = &fsServiceUuid.u, .characteristics = characteristicDefinition}, {0}, } { } void FSService::Init() { int res = 0; res = ble_gatts_count_cfg(serviceDefinition); ASSERT(res == 0); res = ble_gatts_add_svcs(serviceDefinition); ASSERT(res == 0); } int FSService::OnFSServiceRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context) { if (attributeHandle == versionCharacteristicHandle) { NRF_LOG_INFO("FS_S : handle = %d", versionCharacteristicHandle); int res = os_mbuf_append(context->om, &fsVersion, sizeof(fsVersion)); return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; } if (attributeHandle == transferCharacteristicHandle) { return FSCommandHandler(connectionHandle, context->om); } return 0; } int FSService::FSCommandHandler(uint16_t connectionHandle, os_mbuf* om) { auto command = static_cast<commands>(om->om_data[0]); NRF_LOG_INFO("[FS_S] -> FSCommandHandler Command %d", command); // Just always make sure we are awake... systemTask.PushMessage(Pinetime::System::Messages::StartFileTransfer); vTaskDelay(10); while (systemTask.IsSleeping()) { vTaskDelay(100); // 50ms } lfs_dir_t dir = {0}; lfs_info info = {0}; lfs_file f = {0}; switch (command) { case commands::READ: { NRF_LOG_INFO("[FS_S] -> Read"); auto* header = (ReadHeader*) om->om_data; uint16_t plen = header->pathlen; if (plen > maxpathlen) { //> counts for null term return -1; } memcpy(filepath, header->pathstr, plen); filepath[plen] = 0; // Copy and null terminate string ReadResponse resp; os_mbuf* om; resp.command = commands::READ_DATA; resp.status = 0x01; resp.chunkoff = header->chunkoff; int res = fs.Stat(filepath, &info); if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) { resp.status = (int8_t) res; resp.chunklen = 0; resp.totallen = 0; om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse)); } else { resp.chunklen = std::min(header->chunksize, info.size); // TODO add mtu somehow resp.totallen = info.size; fs.FileOpen(&f, filepath, LFS_O_RDONLY); fs.FileSeek(&f, header->chunkoff); uint8_t fileData[resp.chunklen] = {0}; resp.chunklen = fs.FileRead(&f, fileData, resp.chunklen); om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse)); os_mbuf_append(om, fileData, resp.chunklen); fs.FileClose(&f); } ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::READ_PACING: { NRF_LOG_INFO("[FS_S] -> Readpacing"); auto* header = (ReadHeader*) om->om_data; ReadResponse resp; resp.command = commands::READ_DATA; resp.status = 0x01; resp.chunkoff = header->chunkoff; int res = fs.Stat(filepath, &info); if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) { resp.status = (int8_t) res; resp.chunklen = 0; resp.totallen = 0; } else { resp.chunklen = std::min(header->chunksize, info.size); // TODO add mtu somehow resp.totallen = info.size; fs.FileOpen(&f, filepath, LFS_O_RDONLY); fs.FileSeek(&f, header->chunkoff); } os_mbuf* om; if (resp.chunklen > 0) { uint8_t fileData[resp.chunklen] = {0}; resp.chunklen = fs.FileRead(&f, fileData, resp.chunklen); om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse)); os_mbuf_append(om, fileData, resp.chunklen); } else { resp.chunklen = 0; om = ble_hs_mbuf_from_flat(&resp, sizeof(ReadResponse)); } fs.FileClose(&f); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::WRITE: { NRF_LOG_INFO("[FS_S] -> Write"); auto* header = (WriteHeader*) om->om_data; uint16_t plen = header->pathlen; if (plen > maxpathlen) { //> counts for null term return -1; // TODO make this actually return a BLE notif } memcpy(filepath, header->pathstr, plen); filepath[plen] = 0; // Copy and null terminate string fileSize = header->totalSize; WriteResponse resp; resp.command = commands::WRITE_PACING; resp.offset = header->offset; resp.modTime = 0; int res = fs.FileOpen(&f, filepath, LFS_O_RDWR | LFS_O_CREAT); if (res == 0) { fs.FileClose(&f); resp.status = (res == 0) ? 0x01 : (int8_t) res; } resp.freespace = std::min(fs.getSize() - (fs.GetFSSize() * fs.getBlockSize()), fileSize - header->offset); auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(WriteResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::WRITE_DATA: { NRF_LOG_INFO("[FS_S] -> WriteData"); auto* header = (WritePacing*) om->om_data; WriteResponse resp; resp.command = commands::WRITE_PACING; resp.offset = header->offset; int res = 0; if (!(res = fs.FileOpen(&f, filepath, LFS_O_RDWR | LFS_O_CREAT))) { if ((res = fs.FileSeek(&f, header->offset)) >= 0) { res = fs.FileWrite(&f, header->data, header->dataSize); } fs.FileClose(&f); } if (res < 0) { resp.status = (int8_t) res; } resp.freespace = std::min(fs.getSize() - (fs.GetFSSize() * fs.getBlockSize()), fileSize - header->offset); auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(WriteResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::DELETE: { NRF_LOG_INFO("[FS_S] -> Delete"); auto* header = (DelHeader*) om->om_data; uint16_t plen = header->pathlen; char path[plen + 1] = {0}; memcpy(path, header->pathstr, plen); path[plen] = 0; // Copy and null terminate string DelResponse resp {}; resp.command = commands::DELETE_STATUS; int res = fs.FileDelete(path); resp.status = (res == 0) ? 0x01 : (int8_t) res; auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(DelResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::MKDIR: { NRF_LOG_INFO("[FS_S] -> MKDir"); auto* header = (MKDirHeader*) om->om_data; uint16_t plen = header->pathlen; char path[plen + 1] = {0}; memcpy(path, header->pathstr, plen); path[plen] = 0; // Copy and null terminate string MKDirResponse resp {}; resp.command = commands::MKDIR_STATUS; resp.modification_time = 0; int res = fs.DirCreate(path); resp.status = (res == 0) ? 0x01 : (int8_t) res; auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(MKDirResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::LISTDIR: { NRF_LOG_INFO("[FS_S] -> ListDir"); ListDirHeader* header = (ListDirHeader*) om->om_data; uint16_t plen = header->pathlen; char path[plen + 1] = {0}; path[plen] = 0; // Copy and null terminate string memcpy(path, header->pathstr, plen); ListDirResponse resp {}; resp.command = commands::LISTDIR_ENTRY; resp.status = 0x01; resp.totalentries = 0; resp.entry = 0; resp.modification_time = 0; int res = fs.DirOpen(path, &dir); if (res != 0) { resp.status = (int8_t) res; auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; }; while (fs.DirRead(&dir, &info)) { resp.totalentries++; } fs.DirRewind(&dir); while (true) { res = fs.DirRead(&dir, &info); if (res <= 0) { break; } switch (info.type) { case LFS_TYPE_REG: { resp.flags = 0; resp.file_size = info.size; break; } case LFS_TYPE_DIR: { resp.flags = 1; resp.file_size = 0; break; } } // strcpy(resp.path, info.name); resp.path_length = strlen(info.name); auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)); os_mbuf_append(om, info.name, resp.path_length); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); /* * Todo Figure out how to know when the previous Notify was TX'd * For now just delay 100ms to make sure that the data went out... */ vTaskDelay(100); // Allow stuff to actually go out over the BLE conn resp.entry++; } assert(fs.DirClose(&dir) == 0); resp.file_size = 0; resp.path_length = 0; resp.flags = 0; auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); break; } case commands::MOVE: { NRF_LOG_INFO("[FS_S] -> Move"); MoveHeader* header = (MoveHeader*) om->om_data; uint16_t plen = header->OldPathLength; // Null Terminate string header->pathstr[plen] = 0; char path[header->NewPathLength + 1] = {0}; memcpy(path, &header->pathstr[plen + 1], header->NewPathLength); path[header->NewPathLength] = 0; // Copy and null terminate string MoveResponse resp {}; resp.command = commands::MOVE_STATUS; int8_t res = (int8_t) fs.Rename(header->pathstr, path); resp.status = (res == 0) ? 1 : res; auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(MoveResponse)); ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om); } default: break; } NRF_LOG_INFO("[FS_S] -> done "); systemTask.PushMessage(Pinetime::System::Messages::StopFileTransfer); return 0; } // Loads resp with file data given a valid filepath header and resp void FSService::prepareReadDataResp(ReadHeader* header, ReadResponse* resp) { // uint16_t plen = header->pathlen; resp->command = commands::READ_DATA; resp->chunkoff = header->chunkoff; resp->status = 0x01; struct lfs_info info = {}; int res = fs.Stat(filepath, &info); if (res == LFS_ERR_NOENT && info.type != LFS_TYPE_DIR) { resp->status = 0x03; resp->chunklen = 0; resp->totallen = 0; } else { lfs_file f; resp->chunklen = std::min(header->chunksize, info.size); resp->totallen = info.size; fs.FileOpen(&f, filepath, LFS_O_RDONLY); fs.FileSeek(&f, header->chunkoff); resp->chunklen = fs.FileRead(&f, resp->chunk, resp->chunklen); fs.FileClose(&f); } } |