MySQL 8.0.39
Source Code Documentation
violite.h
Go to the documentation of this file.
1/* Copyright (c) 2000, 2024, Oracle and/or its affiliates.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License, version 2.0,
5 as published by the Free Software Foundation.
6
7 This program is designed to work with certain software (including
8 but not limited to OpenSSL) that is licensed under separate terms,
9 as designated in a particular file or component or in included license
10 documentation. The authors of MySQL hereby grant you an additional
11 permission to link the program and your derivative works with the
12 separately licensed software that they have either included with
13 the program or referenced in the documentation.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24/**
25 @file include/violite.h
26 Vio Lite.
27 Purpose: include file for Vio that will work with C and C++.
28*/
29
30#ifndef vio_violite_h_
31#define vio_violite_h_
32
33#include "my_config.h"
34
35#include <stddef.h>
36#ifdef HAVE_SYS_SOCKET_H
37#include <sys/socket.h>
38#endif
39#include <sys/types.h>
40
41#include <string>
42
43#include "my_inttypes.h"
44#include "my_psi_config.h" // IWYU pragma: keep
48
50
51struct Vio;
52
53/* Simple vio interface in C; The functions are implemented in violite.c */
54
55#if !defined(_WIN32) && !defined(HAVE_KQUEUE)
56#define USE_PPOLL_IN_VIO
57#endif
58
59#if defined(__cplusplus) && defined(USE_PPOLL_IN_VIO)
60#include <signal.h>
61#include <atomic>
62#include <optional>
63#elif defined(__cplusplus) && defined(HAVE_KQUEUE)
64#include <sys/event.h>
65#include <atomic>
66#endif
67
68#ifdef HAVE_PSI_INTERFACE
70#endif
71
72#ifndef MYSQL_VIO
73struct Vio;
74
75typedef Vio Vio;
76#define MYSQL_VIO Vio *
77#endif
78
79enum enum_vio_type : int {
80 /**
81 Type of the connection is unknown.
82 */
84 /**
85 Used in case of TCP/IP connections.
86 */
88 /**
89 Used for Unix Domain socket connections. Unix only.
90 */
92 /**
93 Used for named pipe connections. Windows only.
94 */
96 /**
97 Used in case of SSL connections.
98 */
100 /**
101 Used for shared memory connections. Windows only.
102 */
104 /**
105 Used internally by the prepared statements
106 */
108 /**
109 Implicitly used by plugins that doesn't support any other VIO_TYPE.
110 */
112
114 /*
115 If a new type is added, please update LAST_VIO_TYPE. In addition, please
116 change get_vio_type_name() in vio/vio.c to return correct name for it.
117 */
120
121/**
122 Convert a vio type to a printable string.
123 @param vio_type the type
124 @param[out] str the string
125 @param[out] len the string length
126*/
127void get_vio_type_name(enum enum_vio_type vio_type, const char **str, int *len);
128
129/**
130 VIO I/O events.
131*/
137
138#define VIO_SOCKET_ERROR ((size_t)-1)
139#define VIO_SOCKET_WANT_READ ((size_t)-2)
140#define VIO_SOCKET_WANT_WRITE ((size_t)-3)
141
142#define VIO_LOCALHOST 1 /* a localhost connection */
143#define VIO_BUFFERED_READ 2 /* use buffered read */
144#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
145
149
150#ifdef _WIN32
151MYSQL_VIO vio_new_win32pipe(HANDLE hPipe);
152MYSQL_VIO vio_new_win32shared_memory(HANDLE handle_file_map, HANDLE handle_map,
153 HANDLE event_server_wrote,
154 HANDLE event_server_read,
155 HANDLE event_client_wrote,
156 HANDLE event_client_read,
157 HANDLE event_conn_closed);
158#else
159#define HANDLE void *
160#endif /* _WIN32 */
161
165 uint flags);
166bool vio_is_blocking(Vio *vio);
167int vio_set_blocking(Vio *vio, bool set_blocking_mode);
169size_t vio_read(MYSQL_VIO vio, uchar *buf, size_t size);
170size_t vio_read_buff(MYSQL_VIO vio, uchar *buf, size_t size);
171size_t vio_write(MYSQL_VIO vio, const uchar *buf, size_t size);
172/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
174/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
175int vio_keepalive(MYSQL_VIO vio, bool onoff);
176/* Whenever we should retry the last read/write operation. */
178/* Check that operation was timed out */
180#ifndef NDEBUG
181/* Short text description of the socket for those, who are curious.. */
182#define VIO_DESCRIPTION_SIZE 30 /* size of description */
184#endif // NDEBUG
185/* Return the type of the connection */
187/* Return last error number */
189/* Get socket number */
191/* Remote peer's address and name in text form */
192bool vio_peer_addr(MYSQL_VIO vio, char *buf, uint16 *port, size_t buflen);
193/* Wait for an I/O event notification. */
196#ifndef NDEBUG
198#endif
199/* Set timeout for a network operation. */
200int vio_timeout(MYSQL_VIO vio, uint which, int timeout_sec);
201/* Connect to a peer. */
202bool vio_socket_connect(MYSQL_VIO vio, struct sockaddr *addr, socklen_t len,
203 bool nonblocking, int timeout,
204 bool *connect_done = nullptr);
205
206bool vio_get_normalized_ip_string(const struct sockaddr *addr,
207 size_t addr_length, char *ip_string,
208 size_t ip_string_size);
209
210bool vio_is_no_name_error(int err_code);
211
212int vio_getnameinfo(const struct sockaddr *sa, char *hostname,
213 size_t hostname_size, char *port, size_t port_size,
214 int flags);
215
216extern "C" {
217#include <openssl/opensslv.h>
218}
219#if OPENSSL_VERSION_NUMBER < 0x0090700f
220#define DES_cblock des_cblock
221#define DES_key_schedule des_key_schedule
222#define DES_set_key_unchecked(k, ks) des_set_key_unchecked((k), *(ks))
223#define DES_ede3_cbc_encrypt(i, o, l, k1, k2, k3, iv, e) \
224 des_ede3_cbc_encrypt((i), (o), (l), *(k1), *(k2), *(k3), (iv), (e))
225#endif
226
227#if OPENSSL_VERSION_NUMBER >= 0x10100000L
228#define HAVE_OPENSSL11 1
229#endif // OPENSSL_VERSION_NUMBER
230
231#define HEADER_DES_LOCL_H dummy_something
232
233#include <openssl/err.h>
234#include <openssl/ssl.h>
235
253const char *sslGetErrString(enum enum_ssl_init_error err);
254
256 SSL_CTX *ssl_context;
257};
258
260 unsigned long *errptr);
262 SSL_SESSION *session, unsigned long *errptr, SSL **ssl);
263
265 const char *key_file, const char *cert_file, const char *ca_file,
266 const char *ca_path, const char *cipher, const char *ciphersuites,
267 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
268 const long ssl_ctx_flags, const char *server_host);
269
270long process_tls_version(const char *tls_version);
271
273 const char *key_file, const char *cert_file, const char *ca_file,
274 const char *ca_path, const char *cipher, const char *ciphersuites,
275 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
276 const long ssl_ctx_flags);
278
279void vio_ssl_end();
280
281void ssl_start(void);
282void vio_end(void);
283
284#if !defined(DONT_MAP_VIO)
285#define vio_delete(vio) (vio)->viodelete(vio)
286#define vio_errno(vio) (vio)->vioerrno(vio)
287#define vio_read(vio, buf, size) ((vio)->read)(vio, buf, size)
288#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
289#define vio_fastsend(vio) (vio)->fastsend(vio)
290#define vio_keepalive(vio, set_keep_alive) \
291 (vio)->viokeepalive(vio, set_keep_alive)
292#define vio_should_retry(vio) (vio)->should_retry(vio)
293#define vio_was_timeout(vio) (vio)->was_timeout(vio)
294#define vio_shutdown(vio) ((vio)->vioshutdown)(vio)
295#define vio_peer_addr(vio, buf, prt, buflen) \
296 (vio)->peer_addr(vio, buf, prt, buflen)
297#define vio_io_wait(vio, event, timeout) (vio)->io_wait(vio, event, timeout)
298#define vio_is_connected(vio) (vio)->is_connected(vio)
299#define vio_is_blocking(vio) (vio)->is_blocking(vio)
300#define vio_set_blocking(vio, val) (vio)->set_blocking(vio, val)
301#define vio_set_blocking_flag(vio, val) (vio)->set_blocking_flag(vio, val)
302#endif /* !defined(DONT_MAP_VIO) */
303
304/* This enumerator is used in parser - should be always visible */
312
313/*
314 This structure is for every connection on both sides.
315 Note that it has a non-default move assignment operator, so if adding more
316 members, you'll need to update operator=.
317*/
318struct Vio {
319 MYSQL_SOCKET mysql_socket; /* Instrumented socket */
320 bool localhost = {false}; /* Are we from localhost? */
321 enum_vio_type type = {NO_VIO_TYPE}; /* Type of connection */
322
323 int read_timeout = {-1}; /* Timeout value (ms) for read ops. */
324 int write_timeout = {-1}; /* Timeout value (ms) for write ops. */
325 int retry_count = {1}; /* Retry count */
326 bool inactive = {false}; /* Connection has been shutdown */
327
328 struct sockaddr_storage local; /* Local internet address */
329 struct sockaddr_storage remote; /* Remote internet address */
330 size_t addrLen = {0}; /* Length of remote address */
331 char *read_buffer = {nullptr}; /* buffer for vio_read_buff */
332 char *read_pos = {nullptr}; /* start of unfetched data in the
333 read buffer */
334 char *read_end = {nullptr}; /* end of unfetched data */
335
336#ifdef USE_PPOLL_IN_VIO
337 /** Thread PID which is to be sent SIGALRM to terminate ppoll
338 wait when shutting down vio. It is made an std::optional so
339 that server code has the ability to set this to an illegal value
340 and thereby ensure that it is set before shutting down vio. In the server
341 the THD and thereby the Vio can switch between OS threads, so it does not
342 make sense to assign the thread id when creating the THD/Vio.
343
344 It is initialized to 0 here, meaning don't attempt to send a signal, to
345 keep non-server code unaffected.
346 */
347 std::optional<my_thread_t> thread_id = 0;
348 sigset_t signal_mask; // Signal mask
349 /*
350 Flag to indicate whether we are in poll or shutdown.
351 A true value of flag indicates either the socket
352 has called shutdown or it is sleeping on a poll call.
353 False value of this flag means that the socket is
354 not sleeping on a poll call.
355 This flag provides synchronization between two threads
356 one entering vio_io_wait and another entering vio_shutdown
357 for the same socket. If the other thread is waiting on poll
358 sleep, it wakes up the thread by sending a signal via
359 pthread_kill. Also it ensures that no other thread enters in
360 to a poll call if it's socket has undergone shutdown.
361
362 */
363 std::atomic_flag poll_shutdown_flag = ATOMIC_FLAG_INIT;
364#elif defined HAVE_KQUEUE
365 int kq_fd = {-1};
366 std::atomic_flag kevent_wakeup_flag = ATOMIC_FLAG_INIT;
367#endif
368
369#ifdef HAVE_SETNS
370 /**
371 Socket network namespace.
372 */
374#endif
375 /*
376 VIO vtable interface to be implemented by VIO's like SSL, Socket,
377 Named Pipe, etc.
378 */
379
380 /*
381 viodelete is responsible for cleaning up the VIO object by freeing
382 internal buffers, closing descriptors, handles.
383 */
384 void (*viodelete)(MYSQL_VIO) = {nullptr};
385 int (*vioerrno)(MYSQL_VIO) = {nullptr};
386 size_t (*read)(MYSQL_VIO, uchar *, size_t) = {nullptr};
387 size_t (*write)(MYSQL_VIO, const uchar *, size_t) = {nullptr};
388 int (*timeout)(MYSQL_VIO, uint, bool) = {nullptr};
389 int (*viokeepalive)(MYSQL_VIO, bool) = {nullptr};
390 int (*fastsend)(MYSQL_VIO) = {nullptr};
391 bool (*peer_addr)(MYSQL_VIO, char *, uint16 *, size_t) = {nullptr};
392 void (*in_addr)(MYSQL_VIO, struct sockaddr_storage *) = {nullptr};
393 bool (*should_retry)(MYSQL_VIO) = {nullptr};
394 bool (*was_timeout)(MYSQL_VIO) = {nullptr};
395 /*
396 vioshutdown is resposnible to shutdown/close the channel, so that no
397 further communications can take place, however any related buffers,
398 descriptors, handles can remain valid after a shutdown.
399 */
400 int (*vioshutdown)(MYSQL_VIO) = {nullptr};
401 bool (*is_connected)(MYSQL_VIO) = {nullptr};
402 bool (*has_data)(MYSQL_VIO) = {nullptr};
403 int (*io_wait)(MYSQL_VIO, enum enum_vio_io_event, int) = {nullptr};
404 bool (*connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int) = {nullptr};
405#ifdef _WIN32
406#ifdef __clang__
407 OVERLAPPED overlapped = {0, 0, {{0, 0}}, nullptr};
408#else
409 // MSVC, at least up to 2015, gives an internal error on the above.
410 OVERLAPPED overlapped = {0};
411#endif
412 HANDLE hPipe{nullptr};
413#endif
414 void *ssl_arg = {nullptr};
419#if defined(_WIN32)
420 HANDLE handle_file_map = {nullptr};
421 char *handle_map = {nullptr};
422 HANDLE event_server_wrote = {nullptr};
423 HANDLE event_server_read = {nullptr};
424 HANDLE event_client_wrote = {nullptr};
425 HANDLE event_client_read = {nullptr};
426 HANDLE event_conn_closed = {nullptr};
427 size_t shared_memory_remain = {0};
428 char *shared_memory_pos = {nullptr};
429
430#endif /* _WIN32 */
431 bool (*is_blocking)(Vio *vio) = {nullptr};
432 int (*set_blocking)(Vio *vio, bool val) = {nullptr};
433 int (*set_blocking_flag)(Vio *vio, bool val) = {nullptr};
434 /* Indicates whether socket or SSL based communication is blocking or not. */
435 bool is_blocking_flag = {true};
436
437 private:
439 friend void internal_vio_delete(Vio *vio);
440 friend bool vio_reset(Vio *vio, enum_vio_type type, my_socket sd, void *ssl,
441 uint flags);
442
443 explicit Vio(uint flags);
444 ~Vio();
445
446 public:
447 Vio(const Vio &) = delete;
448 Vio &operator=(const Vio &) = delete;
449 Vio &operator=(Vio &&vio);
450};
451
452#define SSL_handle SSL *
453
454#endif /* vio_violite_h_ */
struct PSI_socket_locker PSI_socket_locker
Definition: psi_socket_bits.h:77
static int flags[50]
Definition: hp_test1.cc:40
static int kq_fd
Definition: kqueue_timers.cc:45
Some integer typedefs for easier portability.
unsigned char uchar
Definition: my_inttypes.h:52
uint16_t uint16
Definition: my_inttypes.h:65
Types to make file and socket I/O compatible.
Defines various enable/disable and HAVE_ macros related to the performance schema instrumentation sys...
Types to make different thread packages compatible.
int my_socket
Definition: mysql.h:65
Log error(cerr, "ERROR")
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1052
Definition: buf0block_hint.cc:30
constexpr value_type ssl
Definition: classic_protocol_constants.h:49
static Value err()
Create a Value object that represents an error condition.
Definition: json_binary.cc:910
Definition: local.h:60
static bool timeout(bool(*wait_condition)())
Timeout function.
Definition: log0meb.cc:496
required uint64 port
Definition: replication_asynchronous_connection_failover.proto:33
required string type
Definition: replication_group_member_actions.proto:34
required string event
Definition: replication_group_member_actions.proto:32
struct sockaddr sockaddr
Definition: sock_probe_win32.h:63
struct in_addr in_addr
Definition: sock_probe_win32.h:65
An instrumented socket.
Definition: mysql_socket_bits.h:35
State data storage for start_socket_wait_v1_t.
Definition: psi_socket_bits.h:158
Definition: violite.h:318
size_t(* read)(MYSQL_VIO, uchar *, size_t)
Definition: violite.h:386
PSI_socket_locker_state m_psi_write_state
Definition: violite.h:418
char * read_end
Definition: violite.h:334
bool localhost
Definition: violite.h:320
friend bool vio_reset(Vio *vio, enum_vio_type type, my_socket sd, void *ssl, uint flags)
Reinitialize an existing Vio object.
Definition: vio.cc:351
int(* vioshutdown)(MYSQL_VIO)
Definition: violite.h:400
int write_timeout
Definition: violite.h:324
int(* fastsend)(MYSQL_VIO)
Definition: violite.h:390
sigset_t signal_mask
Definition: violite.h:348
char * read_buffer
Definition: violite.h:331
std::optional< my_thread_t > thread_id
Thread PID which is to be sent SIGALRM to terminate ppoll wait when shutting down vio.
Definition: violite.h:347
int(* set_blocking)(Vio *vio, bool val)
Definition: violite.h:432
PSI_socket_locker_state m_psi_read_state
Definition: violite.h:416
bool(* should_retry)(MYSQL_VIO)
Definition: violite.h:393
std::atomic_flag poll_shutdown_flag
Definition: violite.h:363
char network_namespace[256]
Socket network namespace.
Definition: violite.h:373
char * read_pos
Definition: violite.h:332
int(* set_blocking_flag)(Vio *vio, bool val)
Definition: violite.h:433
int(* vioerrno)(MYSQL_VIO)
Definition: violite.h:385
bool(* is_blocking)(Vio *vio)
Definition: violite.h:431
size_t(* write)(MYSQL_VIO, const uchar *, size_t)
Definition: violite.h:387
bool is_blocking_flag
Definition: violite.h:435
bool(* peer_addr)(MYSQL_VIO, char *, uint16 *, size_t)
Definition: violite.h:391
enum_vio_type type
Definition: violite.h:321
bool(* connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int)
Definition: violite.h:404
friend void internal_vio_delete(Vio *vio)
Definition: vio.cc:545
void(* viodelete)(MYSQL_VIO)
Definition: violite.h:384
bool inactive
Definition: violite.h:326
~Vio()
Definition: vio.cc:115
int(* viokeepalive)(MYSQL_VIO, bool)
Definition: violite.h:389
struct PSI_socket_locker * m_psi_write_locker
Definition: violite.h:417
friend Vio * internal_vio_create(uint flags)
Definition: vio.cc:416
size_t addrLen
Definition: violite.h:330
Vio(const Vio &)=delete
MYSQL_SOCKET mysql_socket
Definition: violite.h:319
bool(* was_timeout)(MYSQL_VIO)
Definition: violite.h:394
struct PSI_socket_locker * m_psi_read_locker
Definition: violite.h:415
int retry_count
Definition: violite.h:325
void * ssl_arg
Definition: violite.h:414
Vio & operator=(const Vio &)=delete
Vio(uint flags)
Definition: vio.cc:101
int read_timeout
Definition: violite.h:323
int(* io_wait)(MYSQL_VIO, enum enum_vio_io_event, int)
Definition: violite.h:403
int(* timeout)(MYSQL_VIO, uint, bool)
Definition: violite.h:388
struct sockaddr_storage remote
Definition: violite.h:329
bool(* is_connected)(MYSQL_VIO)
Definition: violite.h:401
bool(* has_data)(MYSQL_VIO)
Definition: violite.h:402
Definition: violite.h:255
SSL_CTX * ssl_context
Definition: violite.h:256
unsigned int uint
Definition: uca9-dump.cc:75
void vio_ssl_end()
Definition: viosslfactories.cc:378
#define vio_errno(vio)
Definition: violite.h:286
my_socket vio_fd(MYSQL_VIO vio)
SSL_type
Definition: violite.h:305
@ SSL_TYPE_NOT_SPECIFIED
Definition: violite.h:306
@ SSL_TYPE_NONE
Definition: violite.h:307
@ SSL_TYPE_ANY
Definition: violite.h:308
@ SSL_TYPE_X509
Definition: violite.h:309
@ SSL_TYPE_SPECIFIED
Definition: violite.h:310
#define vio_is_blocking(vio)
Definition: violite.h:299
#define vio_keepalive(vio, set_keep_alive)
Definition: violite.h:290
MYSQL_VIO vio_new(my_socket sd, enum enum_vio_type type, uint flags)
Definition: vio.cc:443
bool vio_reset(MYSQL_VIO vio, enum enum_vio_type type, my_socket sd, void *ssl, uint flags)
long process_tls_version(const char *tls_version)
Definition: viosslfactories.cc:417
enum enum_vio_type vio_type(const MYSQL_VIO vio)
void ssl_start(void)
Definition: viosslfactories.cc:401
int sslaccept(struct st_VioSSLFd *, MYSQL_VIO, long timeout, unsigned long *errptr)
void vio_end(void)
Definition: vio.cc:559
int vio_timeout(MYSQL_VIO vio, uint which, int timeout_sec)
#define MYSQL_VIO
Definition: violite.h:76
#define vio_should_retry(vio)
Definition: violite.h:292
#define vio_set_blocking_flag(vio, val)
Definition: violite.h:301
struct st_VioSSLFd * new_VioSSLConnectorFd(const char *key_file, const char *cert_file, const char *ca_file, const char *ca_path, const char *cipher, const char *ciphersuites, enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path, const long ssl_ctx_flags, const char *server_host)
Definition: viosslfactories.cc:659
void get_vio_type_name(enum enum_vio_type vio_type, const char **str, int *len)
Convert a vio type to a printable string.
Definition: vio.cc:580
void vio_description(MYSQL_VIO vio, char *buf)
const char * sslGetErrString(enum enum_ssl_init_error err)
Definition: viosslfactories.cc:177
enum_ssl_init_error
Definition: violite.h:236
@ SSL_FIPS_MODE_INVALID
Definition: violite.h:247
@ SSL_INITERR_NO_USABLE_CTX
Definition: violite.h:244
@ SSL_FIPS_MODE_FAILED
Definition: violite.h:248
@ SSL_INITERR_X509_VERIFY_PARAM
Definition: violite.h:250
@ SSL_INITERR_KEY
Definition: violite.h:239
@ SSL_INITERR_LASTERR
Definition: violite.h:251
@ SSL_INITERR_CERT
Definition: violite.h:238
@ SSL_INITERR_BAD_PATHS
Definition: violite.h:241
@ SSL_INITERR_NOMATCH
Definition: violite.h:240
@ SSL_INITERR_MEMFAIL
Definition: violite.h:243
@ SSL_INITERR_ECDHFAIL
Definition: violite.h:249
@ SSL_INITERR_CIPHERS
Definition: violite.h:242
@ SSL_TLS_VERSION_INVALID
Definition: violite.h:246
@ SSL_INITERR_NOERROR
Definition: violite.h:237
@ SSL_INITERR_DHFAIL
Definition: violite.h:245
void free_vio_ssl_acceptor_fd(struct st_VioSSLFd *fd)
Definition: viosslfactories.cc:716
bool vio_is_no_name_error(int err_code)
Checks if the error code, returned by vio_getnameinfo(), means it was the "No-name" error.
Definition: viosocket.cc:1236
int sslconnect(struct st_VioSSLFd *, MYSQL_VIO, long timeout, SSL_SESSION *session, unsigned long *errptr, SSL **ssl)
enum_vio_io_event
VIO I/O events.
Definition: violite.h:132
@ VIO_IO_EVENT_WRITE
Definition: violite.h:134
@ VIO_IO_EVENT_CONNECT
Definition: violite.h:135
@ VIO_IO_EVENT_READ
Definition: violite.h:133
#define vio_fastsend(vio)
Definition: violite.h:289
#define vio_set_blocking(vio, val)
Definition: violite.h:300
#define vio_shutdown(vio)
Definition: violite.h:294
size_t vio_read_buff(MYSQL_VIO vio, uchar *buf, size_t size)
#define vio_delete(vio)
Definition: violite.h:285
bool vio_socket_connect(MYSQL_VIO vio, struct sockaddr *addr, socklen_t len, bool nonblocking, int timeout, bool *connect_done=nullptr)
void init_vio_psi_keys()
Definition: vio.cc:62
#define HANDLE
Definition: violite.h:159
#define vio_peer_addr(vio, buf, prt, buflen)
Definition: violite.h:295
ssize_t vio_pending(MYSQL_VIO vio)
Vio Vio
Definition: violite.h:73
#define vio_was_timeout(vio)
Definition: violite.h:293
#define vio_read(vio, buf, size)
Definition: violite.h:287
#define vio_write(vio, buf, size)
Definition: violite.h:288
#define vio_io_wait(vio, event, timeout)
Definition: violite.h:297
struct st_VioSSLFd * new_VioSSLAcceptorFd(const char *key_file, const char *cert_file, const char *ca_file, const char *ca_path, const char *cipher, const char *ciphersuites, enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path, const long ssl_ctx_flags)
Definition: viosslfactories.cc:687
enum_vio_type
Definition: violite.h:79
@ LAST_VIO_TYPE
Definition: violite.h:118
@ VIO_TYPE_SHARED_MEMORY
Used for shared memory connections.
Definition: violite.h:103
@ NO_VIO_TYPE
Type of the connection is unknown.
Definition: violite.h:83
@ FIRST_VIO_TYPE
Definition: violite.h:113
@ VIO_TYPE_PLUGIN
Implicitly used by plugins that doesn't support any other VIO_TYPE.
Definition: violite.h:111
@ VIO_TYPE_SSL
Used in case of SSL connections.
Definition: violite.h:99
@ VIO_TYPE_NAMEDPIPE
Used for named pipe connections.
Definition: violite.h:95
@ VIO_TYPE_TCPIP
Used in case of TCP/IP connections.
Definition: violite.h:87
@ VIO_TYPE_LOCAL
Used internally by the prepared statements.
Definition: violite.h:107
@ VIO_TYPE_SOCKET
Used for Unix Domain socket connections.
Definition: violite.h:91
bool vio_get_normalized_ip_string(const struct sockaddr *addr, size_t addr_length, char *ip_string, size_t ip_string_size)
Return the normalized IP address string for a sock-address.
Definition: viosocket.cc:639
#define vio_is_connected(vio)
Definition: violite.h:298
MYSQL_VIO mysql_socket_vio_new(MYSQL_SOCKET mysql_socket, enum enum_vio_type type, uint flags)
Definition: vio.cc:424
int vio_getnameinfo(const struct sockaddr *sa, char *hostname, size_t hostname_size, char *port, size_t port_size, int flags)
This is a wrapper for the system getnameinfo(), because different OS differ in the getnameinfo() impl...
Definition: viosocket.cc:1257