X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=io.cpp;h=48611b09c57f4719e0d4f43d9f415afa60b0c3c5;hb=ee9a86c8408feaf173733aea12a80211e5d74483;hp=0fbc4e4d1b1ab37aaa7a2b3186c16e6a6521a4ec;hpb=777f0f5ebacf03d35a61dacdc9b74888fda9fb3e;p=nssm.git diff --git a/io.cpp b/io.cpp index 0fbc4e4..48611b0 100644 --- a/io.cpp +++ b/io.cpp @@ -4,9 +4,70 @@ #define COMPLAINED_WRITE (1 << 1) #define COMPLAINED_ROTATE (1 << 2) -static HANDLE create_logging_thread(logger_t *logger) { +static int dup_handle(HANDLE source_handle, HANDLE *dest_handle_ptr, TCHAR *source_description, TCHAR *dest_description, unsigned long flags) { + if (! dest_handle_ptr) return 1; + + if (! DuplicateHandle(GetCurrentProcess(), source_handle, GetCurrentProcess(), dest_handle_ptr, 0, true, flags)) { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, source_description, dest_description, error_string(GetLastError()), 0); + return 2; + } + return 0; +} + +static int dup_handle(HANDLE source_handle, HANDLE *dest_handle_ptr, TCHAR *source_description, TCHAR *dest_description) { + return dup_handle(source_handle, dest_handle_ptr, source_description, dest_description, DUPLICATE_SAME_ACCESS); +} + +/* + read_handle: read from application + pipe_handle: stdout of application + write_handle: to file +*/ +static HANDLE create_logging_thread(TCHAR *service_name, TCHAR *path, unsigned long sharing, unsigned long disposition, unsigned long flags, HANDLE *read_handle_ptr, HANDLE *pipe_handle_ptr, HANDLE *write_handle_ptr, unsigned long rotate_bytes_low, unsigned long rotate_bytes_high, unsigned long rotate_delay, unsigned long *tid_ptr, unsigned long *rotate_online, bool copy_and_truncate) { + *tid_ptr = 0; + + /* Pipe between application's stdout/stderr and our logging handle. */ + if (read_handle_ptr && ! *read_handle_ptr) { + if (pipe_handle_ptr && ! *pipe_handle_ptr) { + if (CreatePipe(read_handle_ptr, pipe_handle_ptr, 0, 0)) { + SetHandleInformation(*pipe_handle_ptr, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT); + } + else { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPIPE_FAILED, service_name, path, error_string(GetLastError())); + return (HANDLE) 0; + } + } + } + + logger_t *logger = (logger_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(logger_t)); + if (! logger) { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("logger"), _T("create_logging_thread()"), 0); + return (HANDLE) 0; + } + + ULARGE_INTEGER size; + size.LowPart = rotate_bytes_low; + size.HighPart = rotate_bytes_high; + + logger->service_name = service_name; + logger->path = path; + logger->sharing = sharing; + logger->disposition = disposition; + logger->flags = flags; + logger->read_handle = *read_handle_ptr; + logger->write_handle = *write_handle_ptr; + logger->size = (__int64) size.QuadPart; + logger->tid_ptr = tid_ptr; + logger->rotate_online = rotate_online; + logger->rotate_delay = rotate_delay; + logger->copy_and_truncate = copy_and_truncate; + HANDLE thread_handle = CreateThread(NULL, 0, log_and_rotate, (void *) logger, 0, logger->tid_ptr); - if (! thread_handle) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATETHREAD_FAILED, error_string(GetLastError()), 0); + if (! thread_handle) { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATETHREAD_FAILED, error_string(GetLastError()), 0); + HeapFree(GetProcessHeap(), 0, logger); + } + return thread_handle; } @@ -22,8 +83,21 @@ static inline void write_bom(logger_t *logger, unsigned long *out) { } } +void close_handle(HANDLE *handle, HANDLE *remember) { + if (remember) *remember = INVALID_HANDLE_VALUE; + if (! handle) return; + if (! *handle) return; + CloseHandle(*handle); + if (remember) *remember = *handle; + *handle = 0; +} + +void close_handle(HANDLE *handle) { + close_handle(handle, NULL); +} + /* Get path, share mode, creation disposition and flags for a stream. */ -int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned long *sharing, unsigned long default_sharing, unsigned long *disposition, unsigned long default_disposition, unsigned long *flags, unsigned long default_flags) { +int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned long *sharing, unsigned long default_sharing, unsigned long *disposition, unsigned long default_disposition, unsigned long *flags, unsigned long default_flags, bool *copy_and_truncate) { TCHAR value[NSSM_STDIO_LENGTH]; /* Path. */ @@ -31,7 +105,7 @@ int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned lon log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, prefix, _T("get_createfile_parameters()"), 0); return 1; } - switch (expand_parameter(key, value, path, MAX_PATH, true, false)) { + switch (expand_parameter(key, value, path, PATH_LENGTH, true, false)) { case 0: if (! path[0]) return 0; break; /* OK. */ default: return 2; /* Error. */ } @@ -44,7 +118,7 @@ int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned lon switch (get_number(key, value, sharing, false)) { case 0: *sharing = default_sharing; break; /* Missing. */ case 1: break; /* Found. */ - case -2: return 4; break; /* Error. */ + case -2: return 4; /* Error. */ } /* CreationDisposition. */ @@ -55,7 +129,7 @@ int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned lon switch (get_number(key, value, disposition, false)) { case 0: *disposition = default_disposition; break; /* Missing. */ case 1: break; /* Found. */ - case -2: return 6; break; /* Error. */ + case -2: return 6; /* Error. */ } /* Flags. */ @@ -66,7 +140,24 @@ int get_createfile_parameters(HKEY key, TCHAR *prefix, TCHAR *path, unsigned lon switch (get_number(key, value, flags, false)) { case 0: *flags = default_flags; break; /* Missing. */ case 1: break; /* Found. */ - case -2: return 8; break; /* Error. */ + case -2: return 8; /* Error. */ + } + + /* Rotate with CopyFile() and SetEndOfFile(). */ + if (copy_and_truncate) { + unsigned long data; + if (_sntprintf_s(value, _countof(value), _TRUNCATE, _T("%s%s"), prefix, NSSM_REG_STDIO_COPY_AND_TRUNCATE) < 0) { + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, NSSM_REG_STDIO_COPY_AND_TRUNCATE, _T("get_createfile_parameters()"), 0); + return 9; + } + switch (get_number(key, value, &data, false)) { + case 0: *copy_and_truncate = false; break; /* Missing. */ + case 1: /* Found. */ + if (data) *copy_and_truncate = true; + else *copy_and_truncate = false; + break; + case -2: return 9; /* Error. */ + } } return 0; @@ -95,24 +186,16 @@ int delete_createfile_parameter(HKEY key, TCHAR *prefix, TCHAR *suffix) { return 1; } -HANDLE append_to_file(TCHAR *path, unsigned long sharing, SECURITY_ATTRIBUTES *attributes, unsigned long disposition, unsigned long flags) { - HANDLE ret; - - /* Try to append to the file first. */ - ret = CreateFile(path, FILE_APPEND_DATA, sharing, attributes, disposition, flags, 0); - if (ret) { - SetEndOfFile(ret); +HANDLE write_to_file(TCHAR *path, unsigned long sharing, SECURITY_ATTRIBUTES *attributes, unsigned long disposition, unsigned long flags) { + static LARGE_INTEGER offset = { 0 }; + HANDLE ret = CreateFile(path, FILE_WRITE_DATA, sharing, attributes, disposition, flags, 0); + if (ret != INVALID_HANDLE_VALUE) { + if (SetFilePointerEx(ret, offset, 0, FILE_END)) SetEndOfFile(ret); return ret; } - unsigned long error = GetLastError(); - if (error != ERROR_FILE_NOT_FOUND) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, path, error_string(error), 0); - return (HANDLE) 0; - } - - /* It didn't exist. Create it. */ - return CreateFile(path, FILE_WRITE_DATA, sharing, attributes, disposition, flags, 0); + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, path, error_string(GetLastError()), 0); + return ret; } static void rotated_filename(TCHAR *path, TCHAR *rotated, unsigned long rotated_len, SYSTEMTIME *st) { @@ -122,16 +205,16 @@ static void rotated_filename(TCHAR *path, TCHAR *rotated, unsigned long rotated_ GetSystemTime(st); } - TCHAR buffer[MAX_PATH]; + TCHAR buffer[PATH_LENGTH]; memmove(buffer, path, sizeof(buffer)); TCHAR *ext = PathFindExtension(buffer); - TCHAR extension[MAX_PATH]; + TCHAR extension[PATH_LENGTH]; _sntprintf_s(extension, _countof(extension), _TRUNCATE, _T("-%04u%02u%02uT%02u%02u%02u.%03u%s"), st->wYear, st->wMonth, st->wDay, st->wHour, st->wMinute, st->wSecond, st->wMilliseconds, ext); *ext = _T('\0'); _sntprintf_s(rotated, rotated_len, _TRUNCATE, _T("%s%s"), buffer, extension); } -void rotate_file(TCHAR *service_name, TCHAR *path, unsigned long seconds, unsigned long low, unsigned long high) { +void rotate_file(TCHAR *service_name, TCHAR *path, unsigned long seconds, unsigned long delay, unsigned long low, unsigned long high, bool copy_and_truncate) { unsigned long error; /* Now. */ @@ -142,7 +225,7 @@ void rotate_file(TCHAR *service_name, TCHAR *path, unsigned long seconds, unsign /* Try to open the file to check if it exists and to get attributes. */ HANDLE file = CreateFile(path, 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - if (file) { + if (file != INVALID_HANDLE_VALUE) { /* Get file attributes. */ if (! GetFileInformationByHandle(file, &info)) { /* Reuse current time for rotation timestamp. */ @@ -184,210 +267,183 @@ void rotate_file(TCHAR *service_name, TCHAR *path, unsigned long seconds, unsign /* Get new filename. */ FileTimeToSystemTime(&info.ftLastWriteTime, &st); - TCHAR rotated[MAX_PATH]; + TCHAR rotated[PATH_LENGTH]; rotated_filename(path, rotated, _countof(rotated), &st); /* Rotate. */ - if (MoveFile(path, rotated)) { + bool ok = true; + TCHAR *function; + if (copy_and_truncate) { + function = _T("CopyFile()"); + if (CopyFile(path, rotated, TRUE)) { + file = write_to_file(path, NSSM_STDOUT_SHARING, 0, NSSM_STDOUT_DISPOSITION, NSSM_STDOUT_FLAGS); + Sleep(delay); + SetFilePointer(file, 0, 0, FILE_BEGIN); + SetEndOfFile(file); + CloseHandle(file); + } + else ok = false; + } + else { + function = _T("MoveFile()"); + if (! MoveFile(path, rotated)) ok = false; + } + if (ok) { log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_ROTATED, service_name, path, rotated, 0); return; } error = GetLastError(); if (error == ERROR_FILE_NOT_FOUND) return; - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_ROTATE_FILE_FAILED, service_name, path, _T("MoveFile()"), rotated, error_string(error), 0); + log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_ROTATE_FILE_FAILED, service_name, path, function, rotated, error_string(error), 0); return; } -int get_output_handles(nssm_service_t *service, HKEY key, STARTUPINFO *si) { - bool set_flags = false; +int get_output_handles(nssm_service_t *service, STARTUPINFO *si) { + if (! si) return 1; - /* Standard security attributes allowing inheritance. */ - SECURITY_ATTRIBUTES attributes; - ZeroMemory(&attributes, sizeof(attributes)); - attributes.bInheritHandle = true; + /* Allocate a new console so we get a fresh stdin, stdout and stderr. */ + alloc_console(service); /* stdin */ - if (get_createfile_parameters(key, NSSM_REG_STDIN, service->stdin_path, &service->stdin_sharing, NSSM_STDIN_SHARING, &service->stdin_disposition, NSSM_STDIN_DISPOSITION, &service->stdin_flags, NSSM_STDIN_FLAGS)) { - service->stdin_sharing = service->stdin_disposition = service->stdin_flags = 0; - ZeroMemory(service->stdin_path, _countof(service->stdin_path) * sizeof(TCHAR)); - return 1; - } - if (si && service->stdin_path[0]) { - si->hStdInput = CreateFile(service->stdin_path, FILE_READ_DATA, service->stdin_sharing, &attributes, service->stdin_disposition, service->stdin_flags, 0); - if (! si->hStdInput) { + if (service->stdin_path[0]) { + si->hStdInput = CreateFile(service->stdin_path, FILE_READ_DATA, service->stdin_sharing, 0, service->stdin_disposition, service->stdin_flags, 0); + if (si->hStdInput == INVALID_HANDLE_VALUE) { log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, service->stdin_path, error_string(GetLastError()), 0); return 2; } - set_flags = true; } - ULARGE_INTEGER size; - size.LowPart = service->rotate_bytes_low; - size.HighPart = service->rotate_bytes_high; - /* stdout */ - if (get_createfile_parameters(key, NSSM_REG_STDOUT, service->stdout_path, &service->stdout_sharing, NSSM_STDOUT_SHARING, &service->stdout_disposition, NSSM_STDOUT_DISPOSITION, &service->stdout_flags, NSSM_STDOUT_FLAGS)) { - service->stdout_sharing = service->stdout_disposition = service->stdout_flags = 0; - ZeroMemory(service->stdout_path, _countof(service->stdout_path) * sizeof(TCHAR)); - return 3; - } - if (si && service->stdout_path[0]) { - if (service->rotate_files) rotate_file(service->name, service->stdout_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high); - HANDLE stdout_handle = append_to_file(service->stdout_path, service->stdout_sharing, 0, service->stdout_disposition, service->stdout_flags); - if (! stdout_handle) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, service->stdout_path, error_string(GetLastError()), 0); - return 4; - } - - /* Try online rotation only if a size threshold is set. */ - logger_t *stdout_logger = 0; - if (service->rotate_files && service->rotate_stdout_online && size.QuadPart) { - stdout_logger = (logger_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(logger_t)); - if (stdout_logger) { - /* Pipe between application's stdout and our logging handle. */ - if (CreatePipe(&service->stdout_pipe, &si->hStdOutput, &attributes, 0)) { - stdout_logger->service_name = service->name; - stdout_logger->path = service->stdout_path; - stdout_logger->sharing = service->stdout_sharing; - stdout_logger->disposition = service->stdout_disposition; - stdout_logger->flags = service->stdout_flags; - stdout_logger->read_handle = service->stdout_pipe; - stdout_logger->write_handle = stdout_handle; - stdout_logger->size = (__int64) size.QuadPart; - stdout_logger->tid_ptr = &service->stdout_tid; - - /* Logging thread. */ - service->stdout_thread = create_logging_thread(stdout_logger); - if (! service->stdout_thread) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPIPE_FAILED, service->name, service->stdout_path, error_string(GetLastError())); - CloseHandle(service->stdout_pipe); - CloseHandle(si->hStdOutput); - service->stdout_tid = 0; - } - } - else service->stdout_tid = 0; + if (service->stdout_path[0]) { + if (service->rotate_files) rotate_file(service->name, service->stdout_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high, service->rotate_delay, service->stdout_copy_and_truncate); + HANDLE stdout_handle = write_to_file(service->stdout_path, service->stdout_sharing, 0, service->stdout_disposition, service->stdout_flags); + if (stdout_handle == INVALID_HANDLE_VALUE) return 4; + service->stdout_si = 0; + + if (service->use_stdout_pipe) { + service->stdout_pipe = si->hStdOutput = 0; + service->stdout_thread = create_logging_thread(service->name, service->stdout_path, service->stdout_sharing, service->stdout_disposition, service->stdout_flags, &service->stdout_pipe, &service->stdout_si, &stdout_handle, service->rotate_bytes_low, service->rotate_bytes_high, service->rotate_delay, &service->stdout_tid, &service->rotate_stdout_online, service->stdout_copy_and_truncate); + if (! service->stdout_thread) { + CloseHandle(service->stdout_pipe); + CloseHandle(service->stdout_si); } - else { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("stdout_logger"), _T("get_output_handles()"), 0); - service->stdout_tid = 0; - } - - /* Fall through to try direct I/O. */ - if (! service->stdout_tid) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPIPE_FAILED, service->name, service->stdout_path, error_string(GetLastError())); } + else service->stdout_thread = 0; - if (! service->stdout_tid) { - if (stdout_logger) HeapFree(GetProcessHeap(), 0, stdout_logger); - if (! DuplicateHandle(GetCurrentProcess(), stdout_handle, GetCurrentProcess(), &si->hStdOutput, 0, true, DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, NSSM_REG_STDOUT, error_string(GetLastError()), 0); - return 4; - } - service->rotate_stdout_online = false; + if (! service->stdout_thread) { + if (dup_handle(stdout_handle, &service->stdout_si, NSSM_REG_STDOUT, _T("stdout"), DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) return 4; + service->rotate_stdout_online = NSSM_ROTATE_OFFLINE; } - set_flags = true; + if (dup_handle(service->stdout_si, &si->hStdOutput, _T("stdout_si"), _T("stdout"))) close_handle(&service->stdout_thread); } /* stderr */ - if (get_createfile_parameters(key, NSSM_REG_STDERR, service->stderr_path, &service->stdout_sharing, NSSM_STDERR_SHARING, &service->stdout_disposition, NSSM_STDERR_DISPOSITION, &service->stdout_flags, NSSM_STDERR_FLAGS)) { - service->stderr_sharing = service->stderr_disposition = service->stderr_flags = 0; - ZeroMemory(service->stderr_path, _countof(service->stderr_path) * sizeof(TCHAR)); - return 5; - } if (service->stderr_path[0]) { /* Same as stdout? */ if (str_equiv(service->stderr_path, service->stdout_path)) { service->stderr_sharing = service->stdout_sharing; service->stderr_disposition = service->stdout_disposition; service->stderr_flags = service->stdout_flags; - service->rotate_stderr_online = false; + service->rotate_stderr_online = NSSM_ROTATE_OFFLINE; - if (si) { - /* Two handles to the same file will create a race. */ - if (! DuplicateHandle(GetCurrentProcess(), si->hStdOutput, GetCurrentProcess(), &si->hStdError, 0, true, DUPLICATE_SAME_ACCESS)) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, NSSM_REG_STDOUT, error_string(GetLastError()), 0); - return 6; - } - } + /* Two handles to the same file will create a race. */ + /* XXX: Here we assume that either both or neither handle must be a pipe. */ + if (dup_handle(service->stdout_si, &service->stderr_si, _T("stdout"), _T("stderr"))) return 6; } - else if (si) { - if (service->rotate_files) rotate_file(service->name, service->stderr_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high); - HANDLE stderr_handle = append_to_file(service->stderr_path, service->stdout_sharing, 0, service->stdout_disposition, service->stdout_flags); - if (! stderr_handle) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, service->stderr_path, error_string(GetLastError()), 0); - return 7; - } - - /* Try online rotation only if a size threshold is set. */ - logger_t *stderr_logger = 0; - if (service->rotate_files && service->rotate_stderr_online && size.QuadPart) { - stderr_logger = (logger_t *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(logger_t)); - if (stderr_logger) { - /* Pipe between application's stderr and our logging handle. */ - if (CreatePipe(&service->stderr_pipe, &si->hStdError, &attributes, 0)) { - stderr_logger->service_name = service->name; - stderr_logger->path = service->stderr_path; - stderr_logger->sharing = service->stderr_sharing; - stderr_logger->disposition = service->stderr_disposition; - stderr_logger->flags = service->stderr_flags; - stderr_logger->read_handle = service->stderr_pipe; - stderr_logger->write_handle = stderr_handle; - stderr_logger->size = (__int64) size.QuadPart; - stderr_logger->tid_ptr = &service->stderr_tid; - - /* Logging thread. */ - service->stderr_thread = create_logging_thread(stderr_logger); - if (! service->stderr_thread) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPIPE_FAILED, service->name, service->stderr_path, error_string(GetLastError())); - CloseHandle(service->stderr_pipe); - CloseHandle(si->hStdError); - service->stderr_tid = 0; - } - } - else service->stderr_tid = 0; + else { + if (service->rotate_files) rotate_file(service->name, service->stderr_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high, service->rotate_delay, service->stderr_copy_and_truncate); + HANDLE stderr_handle = write_to_file(service->stderr_path, service->stderr_sharing, 0, service->stderr_disposition, service->stderr_flags); + if (stderr_handle == INVALID_HANDLE_VALUE) return 7; + service->stderr_si = 0; + + if (service->use_stderr_pipe) { + service->stderr_pipe = si->hStdError = 0; + service->stderr_thread = create_logging_thread(service->name, service->stderr_path, service->stderr_sharing, service->stderr_disposition, service->stderr_flags, &service->stderr_pipe, &service->stderr_si, &stderr_handle, service->rotate_bytes_low, service->rotate_bytes_high, service->rotate_delay, &service->stderr_tid, &service->rotate_stderr_online, service->stderr_copy_and_truncate); + if (! service->stderr_thread) { + CloseHandle(service->stderr_pipe); + CloseHandle(service->stderr_si); } - else { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("stderr_logger"), _T("get_output_handles()"), 0); - service->stderr_tid = 0; - } - - /* Fall through to try direct I/O. */ - if (! service->stderr_tid) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPIPE_FAILED, service->name, service->stderr_path, error_string(GetLastError())); } + else service->stderr_thread = 0; - if (! service->stderr_tid) { - if (stderr_logger) HeapFree(GetProcessHeap(), 0, stderr_logger); - if (! DuplicateHandle(GetCurrentProcess(), stderr_handle, GetCurrentProcess(), &si->hStdError, 0, true, DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) { - log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, NSSM_REG_STDERR, error_string(GetLastError()), 0); - return 7; - } - service->rotate_stderr_online = false; + if (! service->stderr_thread) { + if (dup_handle(stderr_handle, &service->stderr_si, NSSM_REG_STDERR, _T("stderr"), DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) return 7; + service->rotate_stderr_online = NSSM_ROTATE_OFFLINE; } } - set_flags = true; + if (dup_handle(service->stderr_si, &si->hStdError, _T("stderr_si"), _T("stderr"))) close_handle(&service->stderr_thread); } - if (! set_flags) return 0; - /* We need to set the startup_info flags to make the new handles inheritable by the new process. */ - if (si) si->dwFlags |= STARTF_USESTDHANDLES; + si->dwFlags |= STARTF_USESTDHANDLES; + + if (service->no_console) return 0; + + /* Redirect other handles. */ + if (! si->hStdInput) { + if (dup_handle(GetStdHandle(STD_INPUT_HANDLE), &si->hStdInput, _T("STD_INPUT_HANDLE"), _T("stdin"))) return 8; + } + if (! si->hStdOutput) { + if (dup_handle(GetStdHandle(STD_OUTPUT_HANDLE), &si->hStdOutput, _T("STD_OUTPUT_HANDLE"), _T("stdout"))) return 9; + } + if (! si->hStdError) { + if (dup_handle(GetStdHandle(STD_ERROR_HANDLE), &si->hStdError, _T("STD_ERROR_HANDLE"), _T("stderr"))) return 10; + } return 0; } -void close_output_handles(STARTUPINFO *si, bool close_stdout, bool close_stderr) { - if (si->hStdInput) CloseHandle(si->hStdInput); - if (si->hStdOutput && close_stdout) CloseHandle(si->hStdOutput); - if (si->hStdError && close_stderr) CloseHandle(si->hStdError); +/* Reuse output handles for a hook. */ +int use_output_handles(nssm_service_t *service, STARTUPINFO *si) { + si->dwFlags &= ~STARTF_USESTDHANDLES; + + if (service->stdout_si) { + if (dup_handle(service->stdout_si, &si->hStdOutput, _T("stdout_pipe"), _T("hStdOutput"))) return 1; + si->dwFlags |= STARTF_USESTDHANDLES; + } + + if (service->stderr_si) { + if (dup_handle(service->stderr_si, &si->hStdError, _T("stderr_pipe"), _T("hStdError"))) { + if (si->hStdOutput) { + si->dwFlags &= ~STARTF_USESTDHANDLES; + CloseHandle(si->hStdOutput); + } + return 2; + } + si->dwFlags |= STARTF_USESTDHANDLES; + } + + return 0; } void close_output_handles(STARTUPINFO *si) { - return close_output_handles(si, true, true); + if (si->hStdInput) CloseHandle(si->hStdInput); + if (si->hStdOutput) CloseHandle(si->hStdOutput); + if (si->hStdError) CloseHandle(si->hStdError); +} + +void cleanup_loggers(nssm_service_t *service) { + unsigned long interval = NSSM_CLEANUP_LOGGERS_DEADLINE; + HANDLE thread_handle = INVALID_HANDLE_VALUE; + + close_handle(&service->stdout_thread, &thread_handle); + /* Close write end of the data pipe so logging thread can finalise read. */ + close_handle(&service->stdout_si); + /* Await logging thread then close read end. */ + if (thread_handle != INVALID_HANDLE_VALUE) WaitForSingleObject(thread_handle, interval); + close_handle(&service->stdout_pipe); + + thread_handle = INVALID_HANDLE_VALUE; + close_handle(&service->stderr_thread, &thread_handle); + close_handle(&service->stderr_si); + if (thread_handle != INVALID_HANDLE_VALUE) WaitForSingleObject(thread_handle, interval); + close_handle(&service->stderr_pipe); } /* @@ -426,6 +482,8 @@ static int try_read(logger_t *logger, void *address, unsigned long bufsize, unsi } complain_read: + /* Ignore the error if we've been requested to exit anyway. */ + if (*logger->rotate_online != NSSM_ROTATE_ONLINE) return ret; if (! (*complained & COMPLAINED_READ)) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_READFILE_FAILED, logger->service_name, logger->path, error_string(error), 0); *complained |= COMPLAINED_READ; return ret; @@ -505,12 +563,14 @@ unsigned long WINAPI log_and_rotate(void *arg) { address = &buffer; ret = try_read(logger, address, sizeof(buffer), &in, &complained); if (ret < 0) { + close_handle(&logger->read_handle); + close_handle(&logger->write_handle); HeapFree(GetProcessHeap(), 0, logger); return 2; } else if (ret) continue; - if (size + (__int64) in >= logger->size) { + if (*logger->rotate_online == NSSM_ROTATE_ONLINE_ASAP || (logger->size && size + (__int64) in >= logger->size)) { /* Look for newline. */ unsigned long i; for (i = 0; i < in; i++) { @@ -521,13 +581,16 @@ unsigned long WINAPI log_and_rotate(void *arg) { /* Write up to the newline. */ ret = try_write(logger, address, i, &out, &complained); if (ret < 0) { + close_handle(&logger->read_handle); + close_handle(&logger->write_handle); HeapFree(GetProcessHeap(), 0, logger); return 3; } size += (__int64) out; /* Rotate. */ - TCHAR rotated[MAX_PATH]; + *logger->rotate_online = NSSM_ROTATE_ONLINE; + TCHAR rotated[PATH_LENGTH]; rotated_filename(logger->path, rotated, _countof(rotated), 0); /* @@ -535,15 +598,33 @@ unsigned long WINAPI log_and_rotate(void *arg) { MoveFile() will fail if the handle is still open so we must risk losing everything. */ - CloseHandle(logger->write_handle); - if (MoveFile(logger->path, rotated)) { + if (logger->copy_and_truncate) FlushFileBuffers(logger->write_handle); + close_handle(&logger->write_handle); + bool ok = true; + TCHAR *function; + if (logger->copy_and_truncate) { + function = _T("CopyFile()"); + if (CopyFile(logger->path, rotated, TRUE)) { + HANDLE file = write_to_file(logger->path, NSSM_STDOUT_SHARING, 0, NSSM_STDOUT_DISPOSITION, NSSM_STDOUT_FLAGS); + Sleep(logger->rotate_delay); + SetFilePointer(file, 0, 0, FILE_BEGIN); + SetEndOfFile(file); + CloseHandle(file); + } + else ok = false; + } + else { + function = _T("MoveFile()"); + if (! MoveFile(logger->path, rotated)) ok = false; + } + if (ok) { log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_ROTATED, logger->service_name, logger->path, rotated, 0); size = 0LL; } else { error = GetLastError(); if (error != ERROR_FILE_NOT_FOUND) { - if (! (complained & COMPLAINED_ROTATE)) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_ROTATE_FILE_FAILED, logger->service_name, logger->path, _T("MoveFile()"), rotated, error_string(error), 0); + if (! (complained & COMPLAINED_ROTATE)) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_ROTATE_FILE_FAILED, logger->service_name, logger->path, function, rotated, error_string(error), 0); complained |= COMPLAINED_ROTATE; /* We can at least try to re-open the existing file. */ logger->disposition = OPEN_ALWAYS; @@ -551,11 +632,13 @@ unsigned long WINAPI log_and_rotate(void *arg) { } /* Reopen. */ - logger->write_handle = append_to_file(logger->path, logger->sharing, 0, logger->disposition, logger->flags); - if (! logger->write_handle) { + logger->write_handle = write_to_file(logger->path, logger->sharing, 0, logger->disposition, logger->flags); + if (logger->write_handle == INVALID_HANDLE_VALUE) { error = GetLastError(); log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, logger->path, error_string(error), 0); /* Oh dear. Now we can't log anything further. */ + close_handle(&logger->read_handle); + close_handle(&logger->write_handle); HeapFree(GetProcessHeap(), 0, logger); return 4; } @@ -580,11 +663,15 @@ unsigned long WINAPI log_and_rotate(void *arg) { ret = try_write(logger, address, in, &out, &complained); size += (__int64) out; if (ret < 0) { + close_handle(&logger->read_handle); + close_handle(&logger->write_handle); HeapFree(GetProcessHeap(), 0, logger); return 3; } } + close_handle(&logger->read_handle); + close_handle(&logger->write_handle); HeapFree(GetProcessHeap(), 0, logger); return 0; }