fixes
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This commit is contained in:
Scott E. Graves 2025-03-25 18:23:47 -05:00
parent bd48bb1a35
commit e55280b21c
2 changed files with 29 additions and 28 deletions

View File

@ -30,7 +30,7 @@ class i_provider;
class lock_data final {
public:
explicit lock_data(const provider_type &prov, std::string unique_id);
lock_data(provider_type prov, std::string_view unique_id);
lock_data(const lock_data &) = delete;
lock_data(lock_data &&) = delete;
@ -42,19 +42,21 @@ public:
private:
std::string mutex_id_;
int lock_fd_;
private:
int handle_{};
int lock_status_{EWOULDBLOCK};
private:
[[nodiscard]] static auto get_state_directory() -> std::string;
[[nodiscard]] static auto get_lock_data_file() -> std::string;
[[nodiscard]] auto get_lock_data_file() const -> std::string;
[[nodiscard]] auto get_lock_file() -> std::string;
[[nodiscard]] auto get_lock_file() const -> std::string;
private:
[[nodiscard]] static auto wait_for_lock(int fd,
std::uint8_t retry_count = 30u)
[[nodiscard]] static auto wait_for_lock(int handle,
std::uint8_t retry_count = 30U)
-> int;
public:

View File

@ -23,7 +23,6 @@
#include "platform/platform.hpp"
#include "app_config.hpp"
#include "events/event_system.hpp"
#include "events/types/filesystem_item_added.hpp"
#include "providers/i_provider.hpp"
@ -36,14 +35,14 @@
#include "utils/unix.hpp"
namespace repertory {
lock_data::lock_data(const provider_type &prov, std::string unique_id)
lock_data::lock_data(provider_type prov, std::string_view unique_id)
: mutex_id_(create_lock_id(prov, unique_id)) {
lock_fd_ = open(get_lock_file().c_str(), O_CREAT | O_RDWR, S_IWUSR | S_IRUSR);
handle_ = open(get_lock_file().c_str(), O_CREAT | O_RDWR, S_IWUSR | S_IRUSR);
}
lock_data::~lock_data() { release(); }
auto lock_data::get_lock_data_file() -> std::string {
auto lock_data::get_lock_data_file() const -> std::string {
auto dir = get_state_directory();
if (not utils::file::directory(dir).create_directory()) {
throw startup_exception("failed to create directory|sp|" + dir + "|err|" +
@ -56,7 +55,7 @@ auto lock_data::get_lock_data_file() -> std::string {
});
}
auto lock_data::get_lock_file() -> std::string {
auto lock_data::get_lock_file() const -> std::string {
auto dir = get_state_directory();
if (not utils::file::directory(dir).create_directory()) {
throw startup_exception("failed to create directory|sp|" + dir + "|err|" +
@ -70,19 +69,19 @@ auto lock_data::get_lock_file() -> std::string {
}
auto lock_data::get_mount_state(json &mount_state) -> bool {
auto fd =
auto handle =
open(get_lock_data_file().c_str(), O_CREAT | O_RDWR, S_IWUSR | S_IRUSR);
if (fd == -1) {
if (handle == -1) {
return false;
}
auto ret{false};
if (wait_for_lock(fd) == 0) {
if (wait_for_lock(handle) == 0) {
ret = utils::file::read_json_file(get_lock_data_file(), mount_state);
flock(fd, LOCK_UN);
flock(handle, LOCK_UN);
}
close(fd);
close(handle);
return ret;
}
@ -97,11 +96,11 @@ auto lock_data::get_state_directory() -> std::string {
}
auto lock_data::grab_lock(std::uint8_t retry_count) -> lock_result {
if (lock_fd_ == -1) {
if (handle_ == -1) {
return lock_result::failure;
}
lock_status_ = wait_for_lock(lock_fd_, retry_count);
lock_status_ = wait_for_lock(handle_, retry_count);
switch (lock_status_) {
case 0:
return lock_result::success;
@ -113,20 +112,20 @@ auto lock_data::grab_lock(std::uint8_t retry_count) -> lock_result {
}
void lock_data::release() {
if (lock_fd_ == -1) {
if (handle_ == -1) {
return;
}
if (lock_status_ == 0) {
utils::file::file{get_lock_file()}.delete();
flock(lock_fd_, LOCK_UN);
[[maybe_unused]] auto success{utils::file::file{get_lock_file()}.remove()};
flock(handle_, LOCK_UN);
}
close(lock_fd_);
lock_fd_ = -1;
close(handle_);
handle_ = -1;
}
auto lock_data::set_mount_state(bool active, const std::string &mount_location,
auto lock_data::set_mount_state(bool active, std::string_view mount_location,
int pid) -> bool {
REPERTORY_USES_FUNCTION_NAME();
@ -150,7 +149,7 @@ auto lock_data::set_mount_state(bool active, const std::string &mount_location,
((mount_state.find("Location") == mount_state.end()) ||
(mount_state["Location"].get<std::string>() != mount_location)))) {
if (mount_location.empty() && not active) {
ret = utils::file::file{get_lock_data_file()}.delete();
ret = utils::file::file{get_lock_data_file()}.remove();
} else {
ret = utils::file::write_json_file(
get_lock_data_file(),
@ -171,13 +170,13 @@ auto lock_data::set_mount_state(bool active, const std::string &mount_location,
return ret;
}
auto lock_data::wait_for_lock(int fd, std::uint8_t retry_count) -> int {
auto lock_data::wait_for_lock(int handle, std::uint8_t retry_count) -> int {
static constexpr const std::uint32_t max_sleep{100U};
auto lock_status{EWOULDBLOCK};
auto remain{static_cast<std::uint32_t>(retry_count * max_sleep)};
while ((remain > 0) && (lock_status == EWOULDBLOCK)) {
lock_status = flock(fd, LOCK_EX | LOCK_NB);
lock_status = flock(handle, LOCK_EX | LOCK_NB);
if (lock_status == -1) {
lock_status = errno;
if (lock_status == EWOULDBLOCK) {
@ -232,7 +231,7 @@ auto provider_meta_handler(i_provider &provider, bool directory,
file.changed_date, file.creation_date, directory, getgid(), file.key,
directory ? S_IFDIR | S_IRUSR | S_IWUSR | S_IXUSR
: S_IFREG | S_IRUSR | S_IWUSR,
file.modified_date, 0u, 0u, file.file_size, file.source_path, getuid(),
file.modified_date, 0U, 0U, file.file_size, file.source_path, getuid(),
file.modified_date);
auto res = provider.set_item_meta(file.api_path, meta);
if (res == api_error::success) {