diff options
Diffstat (limited to 'src/components/ble/FSService.cpp')
| -rw-r--r-- | src/components/ble/FSService.cpp | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/src/components/ble/FSService.cpp b/src/components/ble/FSService.cpp new file mode 100644 index 00000000..8dc9ed67 --- /dev/null +++ b/src/components/ble/FSService.cpp @@ -0,0 +1,330 @@ +#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 teminate 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 teminate 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 teminate 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 teminate 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 teminate 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 teminate 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); + } +} |