diff options
Diffstat (limited to 'um/service/src/service.cpp')
| -rw-r--r-- | um/service/src/service.cpp | 343 |
1 files changed, 152 insertions, 191 deletions
diff --git a/um/service/src/service.cpp b/um/service/src/service.cpp index b7384ce..698a9d9 100644 --- a/um/service/src/service.cpp +++ b/um/service/src/service.cpp @@ -9,242 +9,203 @@ #include <string> -namespace service -{ - namespace - { - ServiceHandle open_service( - const ServiceManager& mgr, - const std::string& name) - { - const auto raw = OpenServiceA( - mgr, - name.c_str(), - SERVICE_ALL_ACCESS); +namespace service { +namespace { - if (NULL == raw) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } +ServiceHandle open_service(const ServiceManager& mgr, const std::string& name) { + const auto raw = OpenServiceA(mgr, name.c_str(), SERVICE_ALL_ACCESS); - return raw; - } + if (NULL == raw) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } - ServiceHandle install_service( - const ServiceManager& mgr, - const std::string& name, - const std::string& bin_path) - { - const auto raw = CreateServiceA( - mgr, - name.c_str(), - name.c_str(), - SERVICE_ALL_ACCESS, - SERVICE_KERNEL_DRIVER, - SERVICE_DEMAND_START, - SERVICE_ERROR_NORMAL, - bin_path.c_str(), - NULL, - NULL, - NULL, - NULL, - NULL); + return raw; +} - if (NULL == raw) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } +ServiceHandle install_service( + const ServiceManager& mgr, + const std::string& name, + const std::string& bin_path +) { + const auto raw = CreateServiceA( + mgr, + name.c_str(), + name.c_str(), + SERVICE_ALL_ACCESS, + SERVICE_KERNEL_DRIVER, + SERVICE_DEMAND_START, + SERVICE_ERROR_NORMAL, + bin_path.c_str(), + NULL, + NULL, + NULL, + NULL, + NULL + ); - return raw; - } + if (NULL == raw) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } - void start_service(const ServiceHandle& handle) - { - if (!StartService(handle, 0, NULL)) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } - } + return raw; +} - void stop_service(const ServiceHandle& handle) - { - SERVICE_STATUS service_status; +void start_service(const ServiceHandle& handle) { + if (!StartService(handle, 0, NULL)) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } +} - if (!ControlService(handle, SERVICE_CONTROL_STOP, &service_status)) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } - } +void stop_service(const ServiceHandle& handle) { + SERVICE_STATUS service_status; - void uninstall_service(const ServiceHandle& handle) - { - if (!DeleteService(handle)) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } - } + if (!ControlService(handle, SERVICE_CONTROL_STOP, &service_status)) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } +} - bool service_exists( - const ServiceManager& mgr, - const std::string& name) - { - const auto raw = OpenServiceA( - mgr, - name.c_str(), - SERVICE_QUERY_STATUS); +void uninstall_service(const ServiceHandle& handle) { + if (!DeleteService(handle)) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } +} - if (NULL != raw) - { - ServiceHandle handle(raw); - return true; - } +bool service_exists(const ServiceManager& mgr, const std::string& name) { + const auto raw = OpenServiceA(mgr, name.c_str(), SERVICE_QUERY_STATUS); - const auto ec = GetLastError(); + if (NULL != raw) { + ServiceHandle handle(raw); + return true; + } - switch (ec) - { - case ERROR_SERVICE_DOES_NOT_EXIST: - return false; + const auto ec = GetLastError(); - default: - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } - } + switch (ec) { + case ERROR_SERVICE_DOES_NOT_EXIST: + return false; - SERVICE_STATUS_PROCESS query_service_status(const ServiceHandle& handle) - { - SERVICE_STATUS_PROCESS status; - DWORD nbreq; + default: + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } +} - const auto buf_ptr = reinterpret_cast<BYTE*>(&status); - const auto buf_size = sizeof(status); +SERVICE_STATUS_PROCESS query_service_status(const ServiceHandle& handle) { + SERVICE_STATUS_PROCESS status; + DWORD nbreq; - if (!QueryServiceStatusEx( - handle, SC_STATUS_PROCESS_INFO, buf_ptr, buf_size, &nbreq)) - { - const auto ec = GetLastError(); - throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); - } + const auto buf_ptr = reinterpret_cast<BYTE*>(&status); + const auto buf_size = sizeof(status); - return status; - } + if (!QueryServiceStatusEx(handle, SC_STATUS_PROCESS_INFO, buf_ptr, buf_size, &nbreq)) { + const auto ec = GetLastError(); + throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__); + } - DWORD query_service_state(const ServiceHandle& handle) - { - return query_service_status(handle).dwCurrentState; - } + return status; +} - SERVICE_STATUS_PROCESS wait_for_service_state( - const ServiceHandle& handle, - const DWORD desired_state) - { - auto status = query_service_status(handle); +DWORD query_service_state(const ServiceHandle& handle) { + return query_service_status(handle).dwCurrentState; +} - DWORD old_timestamp = GetTickCount(); +SERVICE_STATUS_PROCESS wait_for_service_state( + const ServiceHandle& handle, + const DWORD desired_state +) { + auto status = query_service_status(handle); - DWORD old_check_point = status.dwCheckPoint; - DWORD old_wait_hint = status.dwWaitHint; + DWORD old_timestamp = GetTickCount(); - while (desired_state != status.dwCurrentState) - { - DWORD wait_time = old_wait_hint / 10; + DWORD old_check_point = status.dwCheckPoint; + DWORD old_wait_hint = status.dwWaitHint; - if (wait_time < 1000) - wait_time = 1000; - else if (wait_time > 10000) - wait_time = 10000; + while (desired_state != status.dwCurrentState) { + DWORD wait_time = old_wait_hint / 10; - Sleep(wait_time); + if (wait_time < 1000) + wait_time = 1000; + else if (wait_time > 10000) + wait_time = 10000; - status = query_service_status(handle); + Sleep(wait_time); - if (desired_state == status.dwCurrentState) - break; + status = query_service_status(handle); - if (status.dwCheckPoint > old_check_point) - { - old_timestamp = GetTickCount(); + if (desired_state == status.dwCurrentState) + break; - old_check_point = status.dwCheckPoint; - old_wait_hint = status.dwWaitHint; - } - else if (GetTickCount() - old_timestamp > old_wait_hint) - { - return status; - } - } + if (status.dwCheckPoint > old_check_point) { + old_timestamp = GetTickCount(); + old_check_point = status.dwCheckPoint; + old_wait_hint = status.dwWaitHint; + } else if (GetTickCount() - old_timestamp > old_wait_hint) { return status; } } - Service Service::open( - const ServiceManager& mgr, - const std::string& name) - { - return open_service(mgr, name); - } + return status; +} - Service Service::install( - const ServiceManager& mgr, - const std::string& name, - const std::string& bin_path) - { - return install_service(mgr, name, bin_path); - } +} // namespace - bool Service::exists( - const ServiceManager& mgr, - const std::string& name) - { - return service_exists(mgr, name); - } +Service Service::open(const ServiceManager& mgr, const std::string& name) { + return open_service(mgr, name); +} - void Service::start() const - { - const auto state = query_service_state(handle); +Service Service::install( + const ServiceManager& mgr, + const std::string& name, + const std::string& bin_path +) { + return install_service(mgr, name, bin_path); +} - switch (state) - { - case SERVICE_STOPPED: - break; +bool Service::exists(const ServiceManager& mgr, const std::string& name) { + return service_exists(mgr, name); +} - case SERVICE_STOP_PENDING: - wait_for_service_state(handle, SERVICE_STOPPED); - break; +void Service::start() const { + const auto state = query_service_state(handle); - default: - return; - } + switch (state) { + case SERVICE_STOPPED: + break; - start_service(handle); - wait_for_service_state(handle, SERVICE_RUNNING); + case SERVICE_STOP_PENDING: + wait_for_service_state(handle, SERVICE_STOPPED); + break; + + default: + return; } - void Service::stop() const - { - switch (query_service_state(handle)) - { - case SERVICE_STOPPED: - return; + start_service(handle); + wait_for_service_state(handle, SERVICE_RUNNING); +} - case SERVICE_STOP_PENDING: - wait_for_service_state(handle, SERVICE_STOPPED); - return; - } +void Service::stop() const { + switch (query_service_state(handle)) { + case SERVICE_STOPPED: + return; - stop_service(handle); - wait_for_service_state(handle, SERVICE_STOPPED); + case SERVICE_STOP_PENDING: + wait_for_service_state(handle, SERVICE_STOPPED); + return; } - void Service::uninstall() const - { - stop(); - uninstall_service(handle); - } + stop_service(handle); + wait_for_service_state(handle, SERVICE_STOPPED); } + +void Service::uninstall() const { + stop(); + uninstall_service(handle); +} + +} // namespace service |