error.c File Reference

#include "syshead.h"
#include "error.h"
#include "buffer.h"
#include "init.h"
#include "misc.h"
#include "win32.h"
#include "socket.h"
#include "tun.h"
#include "otime.h"
#include "perf.h"
#include "status.h"
#include "integer.h"
#include "ps.h"
#include "mstats.h"

Include dependency graph for error.c:

Go to the source code of this file.

Macros
#define	SWAP   { tmp = m1; m1 = m2; m2 = tmp; }

Functions
void	msg_forked (void)
bool	set_debug_level (const int level, const unsigned int flags)
bool	set_mute_cutoff (const int cutoff)
int	get_debug_level (void)
int	get_mute_cutoff (void)
void	set_suppress_timestamps (bool suppressed)
void	set_machine_readable_output (bool parsable)
void	error_reset (void)
void	errors_to_stderr (void)
FILE *	msg_fp (const unsigned int flags)
void	x_msg (const unsigned int flags, const char *format,...)
static const char *	openvpn_strerror (int err, bool crt_error, struct gc_arena *gc)
void	x_msg_va (const unsigned int flags, const char *format, va_list arglist)
bool	dont_mute (unsigned int flags)
	Check muting filter. More...
void	assert_failed (const char *filename, int line, const char *condition)
void	out_of_memory (void)
void	open_syslog (const char *pgmname, bool stdio_to_null)
void	close_syslog (void)
int	get_orig_stderr ()
void	redirect_stdout_stderr (const char *file, bool append)
void	reset_check_status (void)
void	set_check_status (unsigned int info_level, unsigned int verbose_level)
void	x_check_status (int status, const char *description, struct link_socket *sock, struct tuntap *tt)
void	openvpn_exit (const int status)
const char *	msg_flags_string (const unsigned int flags, struct gc_arena *gc)
const char *	strerror_win32 (DWORD errnum, struct gc_arena *gc)

Variables
unsigned int	x_debug_level
static int	mute_cutoff
static int	mute_count
static int	mute_category
static bool	std_redir
static bool	use_syslog
static bool	machine_readable_output
static bool	suppress_timestamps
static FILE *	msgfp
static bool	forked
static FILE *	default_out
static FILE *	default_err
int	x_msg_line_num
static int	orig_stderr
unsigned int	x_cs_info_level
unsigned int	x_cs_verbose_level
unsigned int	x_cs_err_delay_ms
const char *	x_msg_prefix
const struct virtual_output *	x_msg_virtual_output

Macro Definition Documentation

SWAP

#define SWAP   { tmp = m1; m1 = m2; m2 = tmp; }

Definition at line 208 of file error.c.

Function Documentation

assert_failed()

void assert_failed	(	const char *	filename,
		int	line,
		const char *	condition
	)

Definition at line 442 of file error.c.

close_syslog()

void close_syslog

(

void

)

Definition at line 491 of file error.c.

References use_syslog.

Referenced by openvpn_exit().

dont_mute()

bool dont_mute

(

unsigned int

flags

)

Check muting filter.

Definition at line 407 of file error.c.

Referenced by x_msg_va().

error_reset()

void error_reset

(

void

)

Definition at line 161 of file error.c.

References default_err, default_out, machine_readable_output, msgfp, mute_category, mute_count, mute_cutoff, OPENVPN_DEBUG_FILE, openvpn_exit(), OPENVPN_EXIT_STATUS_CANNOT_OPEN_DEBUG_FILE, OPENVPN_MSG_FP, std_redir, suppress_timestamps, use_syslog, and x_debug_level.

Referenced by init_static().

errors_to_stderr()

void errors_to_stderr

(

void

)

Definition at line 185 of file error.c.

References default_err, and OPENVPN_ERROR_FP.

Referenced by add_option().

get_debug_level()

int get_debug_level

(

void

)

Definition at line 137 of file error.c.

Referenced by man_dispatch_command().

get_mute_cutoff()

int get_mute_cutoff

(

void

)

Definition at line 143 of file error.c.

References mute_cutoff.

Referenced by man_dispatch_command().

get_orig_stderr()

int get_orig_stderr

(

)

Definition at line 508 of file error.c.

References orig_stderr.

Referenced by get_console_input_win32().

msg_flags_string()

const char* msg_flags_string	(	const unsigned int	flags,
		struct gc_arena *	gc
	)

Definition at line 783 of file error.c.

References alloc_buf_gc(), BSTR, buf_printf(), M_DEBUG, M_FATAL, M_INFO, M_NONFATAL, and M_WARN.

Referenced by log_entry_print().

msg_forked()

void msg_forked

(

void

)

Definition at line 99 of file error.c.

References forked.

msg_fp()

FILE* msg_fp

(

const unsigned int

flags

)

Definition at line 194 of file error.c.

References default_err, default_out, M_FATAL, M_USAGE_SMALL, msgfp, openvpn_exit(), and OPENVPN_EXIT_STATUS_CANNOT_OPEN_DEBUG_FILE.

Referenced by usage(), and x_msg_va().

open_syslog()

void open_syslog	(	const char *	pgmname,
		bool	stdio_to_null
	)

Definition at line 467 of file error.c.

References M_WARN, msg, msgfp, PACKAGE, set_std_files_to_null(), std_redir, string_alloc(), and use_syslog.

Referenced by add_option().

openvpn_exit()

void openvpn_exit

(

const int

status

)

Definition at line 735 of file error.c.

References close_syslog(), forked, OPENVPN_EXIT_STATUS_ERROR, OPENVPN_EXIT_STATUS_GOOD, perf_output_results(), plugin_abort(), remove_pid_file(), status, tun_abort(), and uninit_win32().

Referenced by add_option(), error_reset(), msg_fp(), openvpn_main(), usage(), usage_small(), usage_version(), and x_msg_va().

openvpn_strerror()

static const char* openvpn_strerror ( int  err, bool  crt_error, struct gc_arena *  gc  )

static

Definition at line 222 of file error.c.

References env_set::gc, and strerror_win32().

Referenced by x_check_status(), and x_msg_va().

out_of_memory()

void out_of_memory

(

void

)

Definition at line 460 of file error.c.

Referenced by check_malloc_return().

redirect_stdout_stderr()

void redirect_stdout_stderr	(	const char *	file,
		bool	append
	)

Definition at line 515 of file error.c.

References ASSERT, gc_free(), gc_new(), M_ERR, M_ERRNO, M_WARN, msg, msgfp, orig_stderr, std_redir, and wide_string().

Referenced by add_option().

reset_check_status()

void reset_check_status

(

void

)

Definition at line 630 of file error.c.

References x_cs_info_level, and x_cs_verbose_level.

Referenced by init_static().

set_check_status()

void set_check_status	(	unsigned int	info_level,
		unsigned int	verbose_level
	)

Definition at line 637 of file error.c.

References x_cs_info_level, and x_cs_verbose_level.

Referenced by init_verb_mute().

set_debug_level()

bool set_debug_level	(	const int	level,
		const unsigned int	flags
	)

Definition at line 105 of file error.c.

References constrain_int(), SDL_CONSTRAIN, and x_debug_level.

Referenced by add_option(), init_verb_mute(), and man_dispatch_command().

set_machine_readable_output()

void set_machine_readable_output

(

bool

parsable

)

Definition at line 155 of file error.c.

References machine_readable_output.

Referenced by add_option().

set_mute_cutoff()

bool set_mute_cutoff

(

const int

cutoff

)

Definition at line 123 of file error.c.

References mute_cutoff.

Referenced by init_verb_mute(), and man_dispatch_command().

set_suppress_timestamps()

void set_suppress_timestamps

(

bool

suppressed

)

Definition at line 149 of file error.c.

References suppress_timestamps.

Referenced by add_option().

strerror_win32()

const char* strerror_win32	(	DWORD	errnum,
		struct gc_arena *	gc
	)

Definition at line 812 of file error.c.

Referenced by add_route_ipapi(), close_tun(), del_route_ipapi(), dhcp_release_by_adapter_index(), dhcp_renew_by_adapter_index(), do_address_service(), do_dns_domain_service(), do_dns_service(), do_route_service(), do_set_mtu_service(), do_wins_service(), get_adapter_info_list(), get_default_gateway_ipv6(), get_device_instance_id_interface(), get_interface_info_list(), get_per_adapter_info(), get_windows_routing_table(), openvpn_strerror(), register_dns_service(), route_ipv6_ipapi(), send_msg_iservice(), service_enable_dhcp(), service_register_ring_buffers(), socket_recv_queue(), socket_send_queue(), tun_read_queue(), tun_write_queue(), tuntap_set_ip_addr(), win_wfp_block_service(), win_wfp_msg_handler(), and windows_set_mtu().

x_check_status()

void x_check_status	(	int	status,
		const char *	description,
		struct link_socket *	sock,
		struct tuntap *	tt
	)

Definition at line 652 of file error.c.

References link_socket_info::af, gc_free(), gc_new(), ignore_sys_error(), link_socket::info, msg, link_socket::mtu, link_socket_info::mtu_changed, openvpn_errno_maybe_crt(), openvpn_strerror(), platform_sleep_milliseconds(), link_socket_info::proto, proto2ascii(), link_socket::sd, SOCKET_PRINTF, status, tap_win_getinfo(), tuntap_defined(), x_cs_err_delay_ms, x_cs_info_level, and x_cs_verbose_level.

Referenced by check_status().

x_msg()

void x_msg	(	const unsigned int	flags,
		const char *	format,
			...
	)

Definition at line 213 of file error.c.

x_msg_va()

void x_msg_va	(	const unsigned int	flags,
		const char *	format,
		va_list	arglist
	)

Definition at line 234 of file error.c.

Referenced by plugin_vlog(), and x_msg().

Variable Documentation

default_err

FILE* default_err

static

Definition at line 96 of file error.c.

Referenced by error_reset(), errors_to_stderr(), and msg_fp().

default_out

FILE* default_out

static

Definition at line 95 of file error.c.

Referenced by error_reset(), and msg_fp().

forked

bool forked

static

Definition at line 92 of file error.c.

Referenced by msg_forked(), openvpn_exit(), and x_msg_va().

machine_readable_output

bool machine_readable_output

static

Definition at line 78 of file error.c.

Referenced by error_reset(), set_machine_readable_output(), show_settings(), and x_msg_va().

msgfp

FILE* msgfp

static

Definition at line 89 of file error.c.

Referenced by error_reset(), msg_fp(), open_syslog(), and redirect_stdout_stderr().

mute_category

int mute_category

static

Definition at line 57 of file error.c.

Referenced by dont_mute(), and error_reset().

mute_count

int mute_count

static

Definition at line 56 of file error.c.

Referenced by dont_mute(), and error_reset().

mute_cutoff

int mute_cutoff

static

Definition at line 55 of file error.c.

Referenced by dont_mute(), error_reset(), get_mute_cutoff(), and set_mute_cutoff().

orig_stderr

int orig_stderr

static

Definition at line 505 of file error.c.

Referenced by get_console_input_win32(), get_orig_stderr(), and redirect_stdout_stderr().

std_redir

bool std_redir

static

Definition at line 71 of file error.c.

Referenced by error_reset(), open_syslog(), redirect_stdout_stderr(), and x_msg_va().

suppress_timestamps

bool suppress_timestamps

static

Definition at line 81 of file error.c.

Referenced by error_reset(), set_suppress_timestamps(), show_settings(), and x_msg_va().

use_syslog

bool use_syslog

static

Definition at line 74 of file error.c.

Referenced by close_syslog(), error_reset(), open_syslog(), and x_msg_va().

x_cs_err_delay_ms

unsigned int x_cs_err_delay_ms

Definition at line 627 of file error.c.

Referenced by set_check_status_error_delay(), and x_check_status().

x_cs_info_level

unsigned int x_cs_info_level

Definition at line 625 of file error.c.

Referenced by reset_check_status(), set_check_status(), and x_check_status().

x_cs_verbose_level

unsigned int x_cs_verbose_level

Definition at line 626 of file error.c.

Referenced by check_status(), reset_check_status(), set_check_status(), and x_check_status().

x_debug_level

unsigned int x_debug_level

Definition at line 52 of file error.c.

Referenced by error_reset(), get_debug_level(), and set_debug_level().

x_msg_line_num

int x_msg_line_num

Definition at line 210 of file error.c.

Referenced by x_msg_va().

x_msg_prefix

const char* x_msg_prefix

Definition at line 722 of file error.c.

Referenced by msg_get_prefix(), and msg_set_prefix().

x_msg_virtual_output

const struct virtual_output* x_msg_virtual_output

Definition at line 728 of file error.c.

Referenced by msg_get_virtual_output(), and msg_set_virtual_output().