MySQL 8.0.29
Source Code Documentation
violite.h
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1/* Copyright (c) 2000, 2022, 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 also distributed 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 included with MySQL.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License, version 2.0, for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23/**
24 @file include/violite.h
25 Vio Lite.
26 Purpose: include file for Vio that will work with C and C++.
27*/
28
29#ifndef vio_violite_h_
30#define vio_violite_h_
31
32#include "my_config.h"
33
34#include <stddef.h>
35#ifdef HAVE_SYS_SOCKET_H
36#include <sys/socket.h>
37#endif
38#include <sys/types.h>
39
40#include <string>
41
42#include "my_inttypes.h"
43#include "my_psi_config.h" // IWYU pragma: keep
47
49
50struct Vio;
51
52/* Simple vio interface in C; The functions are implemented in violite.c */
53
54#if !defined(_WIN32) && !defined(HAVE_KQUEUE)
55#define USE_PPOLL_IN_VIO
56#endif
57
58#if defined(__cplusplus) && defined(USE_PPOLL_IN_VIO)
59#include <signal.h>
60#include <atomic>
61#elif defined(__cplusplus) && defined(HAVE_KQUEUE)
62#include <sys/event.h>
63#include <atomic>
64#endif
65
66#ifdef HAVE_PSI_INTERFACE
68#endif
69
70#ifndef MYSQL_VIO
71struct Vio;
72
73typedef Vio Vio;
74#define MYSQL_VIO Vio *
75#endif
76
77enum enum_vio_type : int {
78 /**
79 Type of the connection is unknown.
80 */
82 /**
83 Used in case of TCP/IP connections.
84 */
86 /**
87 Used for Unix Domain socket connections. Unix only.
88 */
90 /**
91 Used for named pipe connections. Windows only.
92 */
94 /**
95 Used in case of SSL connections.
96 */
98 /**
99 Used for shared memory connections. Windows only.
100 */
102 /**
103 Used internally by the prepared statements
104 */
106 /**
107 Implicitly used by plugins that doesn't support any other VIO_TYPE.
108 */
110
112 /*
113 If a new type is added, please update LAST_VIO_TYPE. In addition, please
114 change get_vio_type_name() in vio/vio.c to return correct name for it.
115 */
118
119/**
120 Convert a vio type to a printable string.
121 @param vio_type the type
122 @param[out] str the string
123 @param[out] len the string length
124*/
125void get_vio_type_name(enum enum_vio_type vio_type, const char **str, int *len);
126
127/**
128 VIO I/O events.
129*/
135
136#define VIO_SOCKET_ERROR ((size_t)-1)
137#define VIO_SOCKET_WANT_READ ((size_t)-2)
138#define VIO_SOCKET_WANT_WRITE ((size_t)-3)
139
140#define VIO_LOCALHOST 1 /* a localhost connection */
141#define VIO_BUFFERED_READ 2 /* use buffered read */
142#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
143#define OPENSSL_ERROR_LENGTH 512 /* Openssl error code max length */
144
148
149#ifdef _WIN32
150MYSQL_VIO vio_new_win32pipe(HANDLE hPipe);
151MYSQL_VIO vio_new_win32shared_memory(HANDLE handle_file_map, HANDLE handle_map,
152 HANDLE event_server_wrote,
153 HANDLE event_server_read,
154 HANDLE event_client_wrote,
155 HANDLE event_client_read,
156 HANDLE event_conn_closed);
157#else
158#define HANDLE void *
159#endif /* _WIN32 */
160
164 uint flags);
165bool vio_is_blocking(Vio *vio);
166int vio_set_blocking(Vio *vio, bool set_blocking_mode);
168size_t vio_read(MYSQL_VIO vio, uchar *buf, size_t size);
169size_t vio_read_buff(MYSQL_VIO vio, uchar *buf, size_t size);
170size_t vio_write(MYSQL_VIO vio, const uchar *buf, size_t size);
171/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
173/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
174int vio_keepalive(MYSQL_VIO vio, bool onoff);
175/* Whenever we should retry the last read/write operation. */
177/* Check that operation was timed out */
179#ifndef NDEBUG
180/* Short text description of the socket for those, who are curious.. */
181#define VIO_DESCRIPTION_SIZE 30 /* size of description */
183#endif // NDEBUG
184/* Return the type of the connection */
186/* Return last error number */
188/* Get socket number */
190/* Remote peer's address and name in text form */
191bool vio_peer_addr(MYSQL_VIO vio, char *buf, uint16 *port, size_t buflen);
192/* Wait for an I/O event notification. */
195#ifndef NDEBUG
197#endif
198/* Set timeout for a network operation. */
199int vio_timeout(MYSQL_VIO vio, uint which, int timeout_sec);
200/* Connect to a peer. */
201bool vio_socket_connect(MYSQL_VIO vio, struct sockaddr *addr, socklen_t len,
202 bool nonblocking, int timeout,
203 bool *connect_done = nullptr);
204
205bool vio_get_normalized_ip_string(const struct sockaddr *addr,
206 size_t addr_length, char *ip_string,
207 size_t ip_string_size);
208
209bool vio_is_no_name_error(int err_code);
210
211int vio_getnameinfo(const struct sockaddr *sa, char *hostname,
212 size_t hostname_size, char *port, size_t port_size,
213 int flags);
214
215extern "C" {
216#include <openssl/opensslv.h>
217}
218#if OPENSSL_VERSION_NUMBER < 0x0090700f
219#define DES_cblock des_cblock
220#define DES_key_schedule des_key_schedule
221#define DES_set_key_unchecked(k, ks) des_set_key_unchecked((k), *(ks))
222#define DES_ede3_cbc_encrypt(i, o, l, k1, k2, k3, iv, e) \
223 des_ede3_cbc_encrypt((i), (o), (l), *(k1), *(k2), *(k3), (iv), (e))
224#endif
225
226#if OPENSSL_VERSION_NUMBER >= 0x10100000L
227#define HAVE_OPENSSL11 1
228#endif // OPENSSL_VERSION_NUMBER
229
230#define HEADER_DES_LOCL_H dummy_something
231
232#include <openssl/err.h>
233#include <openssl/ssl.h>
234
252const char *sslGetErrString(enum enum_ssl_init_error err);
253
255 SSL_CTX *ssl_context;
256};
257
259 unsigned long *errptr);
261 SSL_SESSION *session, unsigned long *errptr, SSL **ssl);
262
264 const char *key_file, const char *cert_file, const char *ca_file,
265 const char *ca_path, const char *cipher, const char *ciphersuites,
266 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
267 const long ssl_ctx_flags, const char *server_host);
268
269long process_tls_version(const char *tls_version);
270
271int set_fips_mode(const uint fips_mode, char *err_string);
272
274
275int test_ssl_fips_mode(char *err_string);
276
278 const char *key_file, const char *cert_file, const char *ca_file,
279 const char *ca_path, const char *cipher, const char *ciphersuites,
280 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
281 const long ssl_ctx_flags);
283
284void vio_ssl_end();
285
286void ssl_start(void);
287void vio_end(void);
288
289#if !defined(DONT_MAP_VIO)
290#define vio_delete(vio) (vio)->viodelete(vio)
291#define vio_errno(vio) (vio)->vioerrno(vio)
292#define vio_read(vio, buf, size) ((vio)->read)(vio, buf, size)
293#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
294#define vio_fastsend(vio) (vio)->fastsend(vio)
295#define vio_keepalive(vio, set_keep_alive) \
296 (vio)->viokeepalive(vio, set_keep_alive)
297#define vio_should_retry(vio) (vio)->should_retry(vio)
298#define vio_was_timeout(vio) (vio)->was_timeout(vio)
299#define vio_shutdown(vio) ((vio)->vioshutdown)(vio)
300#define vio_peer_addr(vio, buf, prt, buflen) \
301 (vio)->peer_addr(vio, buf, prt, buflen)
302#define vio_io_wait(vio, event, timeout) (vio)->io_wait(vio, event, timeout)
303#define vio_is_connected(vio) (vio)->is_connected(vio)
304#define vio_is_blocking(vio) (vio)->is_blocking(vio)
305#define vio_set_blocking(vio, val) (vio)->set_blocking(vio, val)
306#define vio_set_blocking_flag(vio, val) (vio)->set_blocking_flag(vio, val)
307#endif /* !defined(DONT_MAP_VIO) */
308
309/* This enumerator is used in parser - should be always visible */
317
318/*
319 This structure is for every connection on both sides.
320 Note that it has a non-default move assignment operator, so if adding more
321 members, you'll need to update operator=.
322*/
323struct Vio {
324 MYSQL_SOCKET mysql_socket; /* Instrumented socket */
325 bool localhost = {false}; /* Are we from localhost? */
326 enum_vio_type type = {NO_VIO_TYPE}; /* Type of connection */
327
328 int read_timeout = {-1}; /* Timeout value (ms) for read ops. */
329 int write_timeout = {-1}; /* Timeout value (ms) for write ops. */
330 int retry_count = {1}; /* Retry count */
331 bool inactive = {false}; /* Connection has been shutdown */
332
333 struct sockaddr_storage local; /* Local internet address */
334 struct sockaddr_storage remote; /* Remote internet address */
335 size_t addrLen = {0}; /* Length of remote address */
336 char *read_buffer = {nullptr}; /* buffer for vio_read_buff */
337 char *read_pos = {nullptr}; /* start of unfetched data in the
338 read buffer */
339 char *read_end = {nullptr}; /* end of unfetched data */
340
341#ifdef USE_PPOLL_IN_VIO
342 my_thread_t thread_id = {0}; // Thread PID
343 sigset_t signal_mask; // Signal mask
344 /*
345 Flag to indicate whether we are in poll or shutdown.
346 A true value of flag indicates either the socket
347 has called shutdown or it is sleeping on a poll call.
348 False value of this flag means that the socket is
349 not sleeping on a poll call.
350 This flag provides synchronization between two threads
351 one entering vio_io_wait and another entering vio_shutdown
352 for the same socket. If the other thread is waiting on poll
353 sleep, it wakes up the thread by sending a signal via
354 pthread_kill. Also it ensures that no other thread enters in
355 to a poll call if it's socket has undergone shutdown.
356
357 */
358 std::atomic_flag poll_shutdown_flag = ATOMIC_FLAG_INIT;
359#elif defined HAVE_KQUEUE
360 int kq_fd = {-1};
361 std::atomic_flag kevent_wakeup_flag = ATOMIC_FLAG_INIT;
362#endif
363
364#ifdef HAVE_SETNS
365 /**
366 Socket network namespace.
367 */
369#endif
370 /*
371 VIO vtable interface to be implemented by VIO's like SSL, Socket,
372 Named Pipe, etc.
373 */
374
375 /*
376 viodelete is responsible for cleaning up the VIO object by freeing
377 internal buffers, closing descriptors, handles.
378 */
379 void (*viodelete)(MYSQL_VIO) = {nullptr};
380 int (*vioerrno)(MYSQL_VIO) = {nullptr};
381 size_t (*read)(MYSQL_VIO, uchar *, size_t) = {nullptr};
382 size_t (*write)(MYSQL_VIO, const uchar *, size_t) = {nullptr};
383 int (*timeout)(MYSQL_VIO, uint, bool) = {nullptr};
384 int (*viokeepalive)(MYSQL_VIO, bool) = {nullptr};
385 int (*fastsend)(MYSQL_VIO) = {nullptr};
386 bool (*peer_addr)(MYSQL_VIO, char *, uint16 *, size_t) = {nullptr};
387 void (*in_addr)(MYSQL_VIO, struct sockaddr_storage *) = {nullptr};
388 bool (*should_retry)(MYSQL_VIO) = {nullptr};
389 bool (*was_timeout)(MYSQL_VIO) = {nullptr};
390 /*
391 vioshutdown is resposnible to shutdown/close the channel, so that no
392 further communications can take place, however any related buffers,
393 descriptors, handles can remain valid after a shutdown.
394 */
395 int (*vioshutdown)(MYSQL_VIO) = {nullptr};
396 bool (*is_connected)(MYSQL_VIO) = {nullptr};
397 bool (*has_data)(MYSQL_VIO) = {nullptr};
398 int (*io_wait)(MYSQL_VIO, enum enum_vio_io_event, int) = {nullptr};
399 bool (*connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int) = {nullptr};
400#ifdef _WIN32
401#ifdef __clang__
402 OVERLAPPED overlapped = {0, 0, {{0, 0}}, nullptr};
403#else
404 // MSVC, at least up to 2015, gives an internal error on the above.
405 OVERLAPPED overlapped = {0};
406#endif
407 HANDLE hPipe{nullptr};
408#endif
409 void *ssl_arg = {nullptr};
414#if defined(_WIN32)
415 HANDLE handle_file_map = {nullptr};
416 char *handle_map = {nullptr};
417 HANDLE event_server_wrote = {nullptr};
418 HANDLE event_server_read = {nullptr};
419 HANDLE event_client_wrote = {nullptr};
420 HANDLE event_client_read = {nullptr};
421 HANDLE event_conn_closed = {nullptr};
422 size_t shared_memory_remain = {0};
423 char *shared_memory_pos = {nullptr};
424
425#endif /* _WIN32 */
426 bool (*is_blocking)(Vio *vio) = {nullptr};
427 int (*set_blocking)(Vio *vio, bool val) = {nullptr};
428 int (*set_blocking_flag)(Vio *vio, bool val) = {nullptr};
429 /* Indicates whether socket or SSL based communication is blocking or not. */
430 bool is_blocking_flag = {true};
431
432 private:
434 friend void internal_vio_delete(Vio *vio);
435 friend bool vio_reset(Vio *vio, enum_vio_type type, my_socket sd, void *ssl,
436 uint flags);
437
438 explicit Vio(uint flags);
439 ~Vio();
440
441 public:
442 Vio(const Vio &) = delete;
443 Vio &operator=(const Vio &) = delete;
444 Vio &operator=(Vio &&vio);
445};
446
447#define SSL_handle SSL *
448
449#endif /* vio_violite_h_ */
struct PSI_socket_locker PSI_socket_locker
Definition: psi_socket_bits.h:76
static int flags[50]
Definition: hp_test1.cc:39
static int kq_fd
Definition: kqueue_timers.cc:44
Some integer typedefs for easier portability.
unsigned char uchar
Definition: my_inttypes.h:51
uint16_t uint16
Definition: my_inttypes.h:64
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.
pthread_t my_thread_t
Definition: my_thread_bits.h:47
int my_socket
Definition: mysql.h:64
Log error(cerr, "ERROR")
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1055
Definition: buf0block_hint.cc:29
constexpr value_type ssl
Definition: classic_protocol_constants.h:48
static Value err()
Create a Value object that represents an error condition.
Definition: json_binary.cc:908
Definition: local.h:59
static bool timeout(bool(*wait_condition)())
Timeout function.
Definition: log0meb.cc:493
required uint64 port
Definition: replication_asynchronous_connection_failover.proto:32
required string type
Definition: replication_group_member_actions.proto:33
required string event
Definition: replication_group_member_actions.proto:31
struct sockaddr sockaddr
Definition: sock_probe_win32.h:62
struct in_addr in_addr
Definition: sock_probe_win32.h:64
An instrumented socket.
Definition: mysql_socket_bits.h:34
State data storage for start_socket_wait_v1_t.
Definition: psi_socket_bits.h:157
Definition: violite.h:323
size_t(* read)(MYSQL_VIO, uchar *, size_t)
Definition: violite.h:381
PSI_socket_locker_state m_psi_write_state
Definition: violite.h:413
char * read_end
Definition: violite.h:339
bool localhost
Definition: violite.h:325
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:350
int(* vioshutdown)(MYSQL_VIO)
Definition: violite.h:395
int write_timeout
Definition: violite.h:329
int(* fastsend)(MYSQL_VIO)
Definition: violite.h:385
sigset_t signal_mask
Definition: violite.h:343
char * read_buffer
Definition: violite.h:336
int(* set_blocking)(Vio *vio, bool val)
Definition: violite.h:427
PSI_socket_locker_state m_psi_read_state
Definition: violite.h:411
bool(* should_retry)(MYSQL_VIO)
Definition: violite.h:388
std::atomic_flag poll_shutdown_flag
Definition: violite.h:358
char network_namespace[256]
Socket network namespace.
Definition: violite.h:368
char * read_pos
Definition: violite.h:337
int(* set_blocking_flag)(Vio *vio, bool val)
Definition: violite.h:428
int(* vioerrno)(MYSQL_VIO)
Definition: violite.h:380
bool(* is_blocking)(Vio *vio)
Definition: violite.h:426
size_t(* write)(MYSQL_VIO, const uchar *, size_t)
Definition: violite.h:382
bool is_blocking_flag
Definition: violite.h:430
bool(* peer_addr)(MYSQL_VIO, char *, uint16 *, size_t)
Definition: violite.h:386
enum_vio_type type
Definition: violite.h:326
bool(* connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int)
Definition: violite.h:399
friend void internal_vio_delete(Vio *vio)
Definition: vio.cc:538
void(* viodelete)(MYSQL_VIO)
Definition: violite.h:379
bool inactive
Definition: violite.h:331
my_thread_t thread_id
Definition: violite.h:342
~Vio()
Definition: vio.cc:114
int(* viokeepalive)(MYSQL_VIO, bool)
Definition: violite.h:384
struct PSI_socket_locker * m_psi_write_locker
Definition: violite.h:412
friend Vio * internal_vio_create(uint flags)
Definition: vio.cc:409
size_t addrLen
Definition: violite.h:335
Vio(const Vio &)=delete
MYSQL_SOCKET mysql_socket
Definition: violite.h:324
bool(* was_timeout)(MYSQL_VIO)
Definition: violite.h:389
struct PSI_socket_locker * m_psi_read_locker
Definition: violite.h:410
int retry_count
Definition: violite.h:330
void * ssl_arg
Definition: violite.h:409
Vio & operator=(const Vio &)=delete
Vio(uint flags)
Definition: vio.cc:100
int read_timeout
Definition: violite.h:328
int(* io_wait)(MYSQL_VIO, enum enum_vio_io_event, int)
Definition: violite.h:398
int(* timeout)(MYSQL_VIO, uint, bool)
Definition: violite.h:383
struct sockaddr_storage remote
Definition: violite.h:334
bool(* is_connected)(MYSQL_VIO)
Definition: violite.h:396
bool(* has_data)(MYSQL_VIO)
Definition: violite.h:397
Definition: violite.h:254
SSL_CTX * ssl_context
Definition: violite.h:255
unsigned int uint
Definition: uca-dump.cc:29
void vio_ssl_end()
Definition: viosslfactories.cc:438
#define vio_errno(vio)
Definition: violite.h:291
my_socket vio_fd(MYSQL_VIO vio)
int test_ssl_fips_mode(char *err_string)
Toggle FIPS mode, to see whether it is available with the current SSL library.
Definition: viosslfactories.cc:534
SSL_type
Definition: violite.h:310
@ SSL_TYPE_NOT_SPECIFIED
Definition: violite.h:311
@ SSL_TYPE_NONE
Definition: violite.h:312
@ SSL_TYPE_ANY
Definition: violite.h:313
@ SSL_TYPE_X509
Definition: violite.h:314
@ SSL_TYPE_SPECIFIED
Definition: violite.h:315
#define vio_is_blocking(vio)
Definition: violite.h:304
#define vio_keepalive(vio, set_keep_alive)
Definition: violite.h:295
MYSQL_VIO vio_new(my_socket sd, enum enum_vio_type type, uint flags)
Definition: vio.cc:436
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:544
enum enum_vio_type vio_type(const MYSQL_VIO vio)
void ssl_start(void)
Definition: viosslfactories.cc:460
int set_fips_mode(const uint fips_mode, char *err_string)
int sslaccept(struct st_VioSSLFd *, MYSQL_VIO, long timeout, unsigned long *errptr)
void vio_end(void)
Definition: vio.cc:552
int vio_timeout(MYSQL_VIO vio, uint which, int timeout_sec)
#define MYSQL_VIO
Definition: violite.h:74
#define vio_should_retry(vio)
Definition: violite.h:297
#define vio_set_blocking_flag(vio, val)
Definition: violite.h:306
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:809
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:573
void vio_description(MYSQL_VIO vio, char *buf)
const char * sslGetErrString(enum enum_ssl_init_error err)
Definition: viosslfactories.cc:236
enum_ssl_init_error
Definition: violite.h:235
@ SSL_FIPS_MODE_INVALID
Definition: violite.h:246
@ SSL_INITERR_NO_USABLE_CTX
Definition: violite.h:243
@ SSL_FIPS_MODE_FAILED
Definition: violite.h:247
@ SSL_INITERR_X509_VERIFY_PARAM
Definition: violite.h:249
@ SSL_INITERR_KEY
Definition: violite.h:238
@ SSL_INITERR_LASTERR
Definition: violite.h:250
@ SSL_INITERR_CERT
Definition: violite.h:237
@ SSL_INITERR_BAD_PATHS
Definition: violite.h:240
@ SSL_INITERR_NOMATCH
Definition: violite.h:239
@ SSL_INITERR_MEMFAIL
Definition: violite.h:242
@ SSL_INITERR_ECDHFAIL
Definition: violite.h:248
@ SSL_INITERR_CIPHERS
Definition: violite.h:241
@ SSL_TLS_VERSION_INVALID
Definition: violite.h:245
@ SSL_INITERR_NOERROR
Definition: violite.h:236
@ SSL_INITERR_DHFAIL
Definition: violite.h:244
void free_vio_ssl_acceptor_fd(struct st_VioSSLFd *fd)
Definition: viosslfactories.cc:866
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:1215
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:130
@ VIO_IO_EVENT_WRITE
Definition: violite.h:132
@ VIO_IO_EVENT_CONNECT
Definition: violite.h:133
@ VIO_IO_EVENT_READ
Definition: violite.h:131
#define vio_fastsend(vio)
Definition: violite.h:294
uint get_fips_mode()
Get fips mode from openssl library,.
Definition: viosslfactories.cc:527
#define vio_set_blocking(vio, val)
Definition: violite.h:305
#define vio_shutdown(vio)
Definition: violite.h:299
size_t vio_read_buff(MYSQL_VIO vio, uchar *buf, size_t size)
#define vio_delete(vio)
Definition: violite.h:290
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:61
#define HANDLE
Definition: violite.h:158
#define vio_peer_addr(vio, buf, prt, buflen)
Definition: violite.h:300
ssize_t vio_pending(MYSQL_VIO vio)
Vio Vio
Definition: violite.h:71
#define vio_was_timeout(vio)
Definition: violite.h:298
#define vio_read(vio, buf, size)
Definition: violite.h:292
#define vio_write(vio, buf, size)
Definition: violite.h:293
#define vio_io_wait(vio, event, timeout)
Definition: violite.h:302
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:837
enum_vio_type
Definition: violite.h:77
@ LAST_VIO_TYPE
Definition: violite.h:116
@ VIO_TYPE_SHARED_MEMORY
Used for shared memory connections.
Definition: violite.h:101
@ NO_VIO_TYPE
Type of the connection is unknown.
Definition: violite.h:81
@ FIRST_VIO_TYPE
Definition: violite.h:111
@ VIO_TYPE_PLUGIN
Implicitly used by plugins that doesn't support any other VIO_TYPE.
Definition: violite.h:109
@ VIO_TYPE_SSL
Used in case of SSL connections.
Definition: violite.h:97
@ VIO_TYPE_NAMEDPIPE
Used for named pipe connections.
Definition: violite.h:93
@ VIO_TYPE_TCPIP
Used in case of TCP/IP connections.
Definition: violite.h:85
@ VIO_TYPE_LOCAL
Used internally by the prepared statements.
Definition: violite.h:105
@ VIO_TYPE_SOCKET
Used for Unix Domain socket connections.
Definition: violite.h:89
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:625
#define vio_is_connected(vio)
Definition: violite.h:303
MYSQL_VIO mysql_socket_vio_new(MYSQL_SOCKET mysql_socket, enum enum_vio_type type, uint flags)
Definition: vio.cc:417
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:1236