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[FL-2059] Storage fixes for handling empty files (#1563)

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* storage: fixed handling of zero-length files
* docs: added ReadMe.md for vscode workspace
* rpc: storage: improved empty file & error handling in write handler
* docs: markdown fix
* docs: typo fixes

Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
hedger 2022-08-09 18:57:11 +03:00 committed by GitHub
parent 01eb92db06
commit 1d50a5981e
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 82 additions and 47 deletions
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17
.vscode/ReadMe.md vendored Normal file
View file

@ -0,0 +1,17 @@
# Visual Studio Code workspace for Flipper Zero
## Setup
* To start developing with VSCode, run `./fbt vscode_dist` in project root. _That should only be done once_
* After that, open firmware folder in VSCode: "File" > "Open folder"
For more details on fbt, see [fbt docs](../documentation/fbt.md).
## Workflow
Commands for building firmware are invoked through Build menu: Ctrl+Shift+B.
To attach a debugging session, first build and flash firmware, then choose your debug probe in Debug menu (Ctrl+Shift+D).
Note that you have to detach debugging session before rebuilding and re-flashing firmware.

64
applications/rpc/rpc_storage.c
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@ -305,21 +305,27 @@ static void rpc_system_storage_read_process(const PB_Main* request, void* contex
response->command_id = request->command_id;
response->which_content = PB_Main_storage_read_response_tag;
response->command_status = PB_CommandStatus_OK;
response->content.storage_read_response.has_file = true;
response->content.storage_read_response.file.data =
malloc(PB_BYTES_ARRAY_T_ALLOCSIZE(MIN(size_left, MAX_DATA_SIZE)));
uint8_t* buffer = response->content.storage_read_response.file.data->bytes;
uint16_t* read_size_msg = &response->content.storage_read_response.file.data->size;
size_t read_size = MIN(size_left, MAX_DATA_SIZE);
*read_size_msg = storage_file_read(file, buffer, read_size);
size_left -= read_size;
result = (*read_size_msg == read_size);
if(read_size) {
response->content.storage_read_response.has_file = true;
response->content.storage_read_response.file.data =
malloc(PB_BYTES_ARRAY_T_ALLOCSIZE());
uint8_t* buffer = response->content.storage_read_response.file.data->bytes;
uint16_t* read_size_msg = &response->content.storage_read_response.file.data->size;
if(result) {
response->has_next = (size_left > 0);
rpc_send_and_release(session, response);
*read_size_msg = storage_file_read(file, buffer, read_size);
size_left -= read_size;
result = (*read_size_msg == read_size);
response->has_next = result && (size_left > 0);
} else {
response->content.storage_read_response.has_file = false;
response->has_next = false;
result = true;
}
rpc_send_and_release(session, response);
} while((size_left != 0) && result);
if(!result) {
@ -349,7 +355,7 @@ static void rpc_system_storage_write_process(const PB_Main* request, void* conte
RpcSession* session = rpc_storage->session;
furi_assert(session);
bool result = true;
bool fs_operation_success = true;
if(!path_contains_only_ascii(request->content.storage_write_request.path)) {
rpc_storage->current_command_id = request->command_id;
@ -370,28 +376,32 @@ static void rpc_system_storage_write_process(const PB_Main* request, void* conte
rpc_storage->current_command_id = request->command_id;
rpc_storage->state = RpcStorageStateWriting;
const char* path = request->content.storage_write_request.path;
result = storage_file_open(rpc_storage->file, path, FSAM_WRITE, FSOM_CREATE_ALWAYS);
fs_operation_success =
storage_file_open(rpc_storage->file, path, FSAM_WRITE, FSOM_CREATE_ALWAYS);
}
File* file = rpc_storage->file;
bool send_response = false;
if(result) {
uint8_t* buffer = request->content.storage_write_request.file.data->bytes;
size_t buffer_size = request->content.storage_write_request.file.data->size;
uint16_t written_size = storage_file_write(file, buffer, buffer_size);
result = (written_size == buffer_size);
if(result && !request->has_next) {
rpc_send_and_release_empty(
session, rpc_storage->current_command_id, PB_CommandStatus_OK);
rpc_system_storage_reset_state(rpc_storage, session, false);
if(fs_operation_success) {
if(request->content.storage_write_request.has_file) {
uint8_t* buffer = request->content.storage_write_request.file.data->bytes;
size_t buffer_size = request->content.storage_write_request.file.data->size;
uint16_t written_size = storage_file_write(file, buffer, buffer_size);
fs_operation_success = (written_size == buffer_size);
}
send_response = !request->has_next;
}
if(!result) {
rpc_send_and_release_empty(
session, rpc_storage->current_command_id, rpc_system_storage_get_file_error(file));
PB_CommandStatus command_status = PB_CommandStatus_OK;
if(!fs_operation_success) {
send_response = true;
command_status = rpc_system_storage_get_file_error(file);
}
if(send_response) {
rpc_send_and_release_empty(session, rpc_storage->current_command_id, command_status);
rpc_system_storage_reset_state(rpc_storage, session, false);
}
}

44
applications/storage/storage_cli.c
View file

@ -274,24 +274,26 @@ static void storage_cli_read_chunks(Cli* cli, string_t path, string_t args) {
if(parsed_count == EOF || parsed_count != 1) {
storage_cli_print_usage();
} else if(storage_file_open(file, string_get_cstr(path), FSAM_READ, FSOM_OPEN_EXISTING)) {
uint8_t* data = malloc(buffer_size);
uint64_t file_size = storage_file_size(file);
printf("Size: %lu\r\n", (uint32_t)file_size);
while(file_size > 0) {
printf("\r\nReady?\r\n");
cli_getc(cli);
if(buffer_size) {
uint8_t* data = malloc(buffer_size);
while(file_size > 0) {
printf("\r\nReady?\r\n");
cli_getc(cli);
uint16_t read_size = storage_file_read(file, data, buffer_size);
for(uint16_t i = 0; i < read_size; i++) {
putchar(data[i]);
uint16_t read_size = storage_file_read(file, data, buffer_size);
for(uint16_t i = 0; i < read_size; i++) {
putchar(data[i]);
}
file_size -= read_size;
}
file_size -= read_size;
free(data);
}
printf("\r\n");
free(data);
} else {
storage_cli_print_error(storage_file_get_error(file));
}
@ -315,19 +317,21 @@ static void storage_cli_write_chunk(Cli* cli, string_t path, string_t args) {
if(storage_file_open(file, string_get_cstr(path), FSAM_WRITE, FSOM_OPEN_APPEND)) {
printf("Ready\r\n");
uint8_t* buffer = malloc(buffer_size);
if(buffer_size) {
uint8_t* buffer = malloc(buffer_size);
for(uint32_t i = 0; i < buffer_size; i++) {
buffer[i] = cli_getc(cli);
for(uint32_t i = 0; i < buffer_size; i++) {
buffer[i] = cli_getc(cli);
}
uint16_t written_size = storage_file_write(file, buffer, buffer_size);
if(written_size != buffer_size) {
storage_cli_print_error(storage_file_get_error(file));
}
free(buffer);
}
uint16_t written_size = storage_file_write(file, buffer, buffer_size);
if(written_size != buffer_size) {
storage_cli_print_error(storage_file_get_error(file));
}
free(buffer);
} else {
storage_cli_print_error(storage_file_get_error(file));
}

4
lib/toolbox/path.c
View file

@ -85,6 +85,10 @@ void path_concat(const char* path, const char* suffix, string_t out_path) {
}
bool path_contains_only_ascii(const char* path) {
if(!path) {
return false;
}
const char* name_pos = strrchr(path, '/');
if(name_pos == NULL) {
name_pos = path;