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#include <nrf_log.h>
#include "FSService.h"
#include "components/ble/BleController.h"
using namespace Pinetime::Controllers;
constexpr ble_uuid128_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::Controllers::FS& fs)
: 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");
switch (command) {
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};
struct lfs_info info = {};
DelResponse resp = {};
resp.command = commands::DELETE_STATUS;
int res = fs.Stat(path, &info);
// Get Info about path
// branch for DirDel of FileDelete
if (info.type == LFS_TYPE_DIR) {
res = fs.DirDelete(path);
} else {
res = fs.FileDelete(path);
}
switch (res) {
case LFS_ERR_OK:
resp.status = 0x01;
break;
default:
resp.status = 0x02;
break;
}
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);
NRF_LOG_INFO("[FS_S] -> MKDIR %.10s", path);
MKDirResponse resp = {};
resp.command = commands::MKDIR_STATUS;
int res = fs.DirCreate(path);
switch (res) {
case LFS_ERR_OK:
resp.status = 0x01;
break;
default:
resp.status = 0x02;
break;
}
resp.modification_time = 0; // We should timestamp..but no
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};
memcpy(path, header->pathstr, plen);
NRF_LOG_INFO("[FS_S] -> DIR %.10s", path);
lfs_dir_t dir = {};
struct lfs_info info = {};
ListDirResponse resp = {};
resp.command = commands::LISTDIR_ENTRY;
resp.status = 1; // TODO actually use res above!
resp.totalentries = 0;
resp.entry = 0;
int res = fs.DirOpen(path, &dir);
NRF_LOG_INFO("[FS_S] ->diropen %d ", res);
while (fs.DirRead(&dir, &info)) {
resp.totalentries++;
}
NRF_LOG_INFO("[FS_S] -> %d ", resp.totalentries);
fs.DirRewind(&dir);
while (fs.DirRead(&dir, &info)) {
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;
}
}
resp.modification_time = 0; // TODO Does LFS actually support TS?
strcpy(resp.path, info.name);
resp.path_length = strlen(info.name);
NRF_LOG_INFO("[FS_S] ->Path %s ,", info.name);
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse));
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
vTaskDelay(1); // Allow stuff to actually go out over the BLE conn
resp.entry++;
}
fs.DirClose(&dir);
resp.file_size = 0;
resp.path_length = 0;
resp.flags = 0;
// TODO Handle Size of response better.
auto* om = ble_hs_mbuf_from_flat(&resp, sizeof(ListDirResponse) - 70 + resp.path_length);
ble_gattc_notify_custom(connectionHandle, transferCharacteristicHandle, om);
NRF_LOG_INFO("[FS_S] -> done ");
break;
}
}
return 0;
}
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