MySQL 8.3.0
Source Code Documentation
violite.h
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1/* Copyright (c) 2000, 2023, 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#include <optional>
62#elif defined(__cplusplus) && defined(HAVE_KQUEUE)
63#include <sys/event.h>
64#include <atomic>
65#endif
66
67#ifdef HAVE_PSI_INTERFACE
69#endif
70
71#ifndef MYSQL_VIO
72struct Vio;
73
74typedef Vio Vio;
75#define MYSQL_VIO Vio *
76#endif
77
78enum enum_vio_type : int {
79 /**
80 Type of the connection is unknown.
81 */
83 /**
84 Used in case of TCP/IP connections.
85 */
87 /**
88 Used for Unix Domain socket connections. Unix only.
89 */
91 /**
92 Used for named pipe connections. Windows only.
93 */
95 /**
96 Used in case of SSL connections.
97 */
99 /**
100 Used for shared memory connections. Windows only.
101 */
103 /**
104 Used internally by the prepared statements
105 */
107 /**
108 Implicitly used by plugins that doesn't support any other VIO_TYPE.
109 */
111
113 /*
114 If a new type is added, please update LAST_VIO_TYPE. In addition, please
115 change get_vio_type_name() in vio/vio.c to return correct name for it.
116 */
119
120/**
121 Convert a vio type to a printable string.
122 @param vio_type the type
123 @param[out] str the string
124 @param[out] len the string length
125*/
126void get_vio_type_name(enum enum_vio_type vio_type, const char **str, int *len);
127
128/**
129 VIO I/O events.
130*/
136
137#define VIO_SOCKET_ERROR ((size_t)-1)
138#define VIO_SOCKET_WANT_READ ((size_t)-2)
139#define VIO_SOCKET_WANT_WRITE ((size_t)-3)
140
141#define VIO_LOCALHOST 1 /* a localhost connection */
142#define VIO_BUFFERED_READ 2 /* use buffered read */
143#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
144
147 enum enum_vio_type type, uint flags);
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
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 const char *sni_servername);
264
266 const char *key_file, const char *cert_file, const char *ca_file,
267 const char *ca_path, const char *cipher, const char *ciphersuites,
268 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
269 const long ssl_ctx_flags, const char *server_host);
270
271long process_tls_version(const char *tls_version);
272
274 const char *key_file, const char *cert_file, const char *ca_file,
275 const char *ca_path, const char *cipher, const char *ciphersuites,
276 enum enum_ssl_init_error *error, const char *crl_file, const char *crl_path,
277 const long ssl_ctx_flags);
279
280void vio_ssl_end();
281
282void ssl_start(void);
283void vio_end(void);
284
285#if !defined(DONT_MAP_VIO)
286#define vio_delete(vio) (vio)->viodelete(vio)
287#define vio_errno(vio) (vio)->vioerrno(vio)
288#define vio_read(vio, buf, size) ((vio)->read)(vio, buf, size)
289#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
290#define vio_fastsend(vio) (vio)->fastsend(vio)
291#define vio_keepalive(vio, set_keep_alive) \
292 (vio)->viokeepalive(vio, set_keep_alive)
293#define vio_should_retry(vio) (vio)->should_retry(vio)
294#define vio_was_timeout(vio) (vio)->was_timeout(vio)
295#define vio_shutdown(vio) ((vio)->vioshutdown)(vio)
296#define vio_peer_addr(vio, buf, prt, buflen) \
297 (vio)->peer_addr(vio, buf, prt, buflen)
298#define vio_io_wait(vio, event, timeout) (vio)->io_wait(vio, event, timeout)
299#define vio_is_connected(vio) (vio)->is_connected(vio)
300#define vio_is_blocking(vio) (vio)->is_blocking(vio)
301#define vio_set_blocking(vio, val) (vio)->set_blocking(vio, val)
302#define vio_set_blocking_flag(vio, val) (vio)->set_blocking_flag(vio, val)
303#endif /* !defined(DONT_MAP_VIO) */
304
305/* This enumerator is used in parser - should be always visible */
313
314/*
315 This structure is for every connection on both sides.
316 Note that it has a non-default move assignment operator, so if adding more
317 members, you'll need to update operator=.
318*/
319struct Vio {
320 MYSQL_SOCKET mysql_socket; /* Instrumented socket */
321 bool localhost = {false}; /* Are we from localhost? */
322 enum_vio_type type = {NO_VIO_TYPE}; /* Type of connection */
323
324 int read_timeout = {-1}; /* Timeout value (ms) for read ops. */
325 int write_timeout = {-1}; /* Timeout value (ms) for write ops. */
326 int retry_count = {1}; /* Retry count */
327 bool inactive = {false}; /* Connection has been shutdown */
328
329 struct sockaddr_storage local; /* Local internet address */
330 struct sockaddr_storage remote; /* Remote internet address */
331 size_t addrLen = {0}; /* Length of remote address */
332 char *read_buffer = {nullptr}; /* buffer for vio_read_buff */
333 char *read_pos = {nullptr}; /* start of unfetched data in the
334 read buffer */
335 char *read_end = {nullptr}; /* end of unfetched data */
336
337#ifdef USE_PPOLL_IN_VIO
338 /** Thread PID which is to be sent SIGALRM to terminate ppoll
339 wait when shutting down vio. It is made an std::optional so
340 that server code has the ability to set this to an illegal value
341 and thereby ensure that it is set before shutting down vio. In the server
342 the THD and thereby the Vio can switch between OS threads, so it does not
343 make sense to assign the thread id when creating the THD/Vio.
344
345 It is initialized to 0 here, meaning don't attempt to send a signal, to
346 keep non-server code unaffected.
347 */
348 std::optional<my_thread_t> thread_id = 0;
349 sigset_t signal_mask; // Signal mask
350 /*
351 Flag to indicate whether we are in poll or shutdown.
352 A true value of flag indicates either the socket
353 has called shutdown or it is sleeping on a poll call.
354 False value of this flag means that the socket is
355 not sleeping on a poll call.
356 This flag provides synchronization between two threads
357 one entering vio_io_wait and another entering vio_shutdown
358 for the same socket. If the other thread is waiting on poll
359 sleep, it wakes up the thread by sending a signal via
360 pthread_kill. Also it ensures that no other thread enters in
361 to a poll call if it's socket has undergone shutdown.
362
363 */
364 std::atomic_flag poll_shutdown_flag = ATOMIC_FLAG_INIT;
365#elif defined HAVE_KQUEUE
366 int kq_fd = {-1};
367 std::atomic_flag kevent_wakeup_flag = ATOMIC_FLAG_INIT;
368#endif
369
370#ifdef HAVE_SETNS
371 /**
372 Socket network namespace.
373 */
375#endif
376 /*
377 VIO vtable interface to be implemented by VIO's like SSL, Socket,
378 Named Pipe, etc.
379 */
380
381 /*
382 viodelete is responsible for cleaning up the VIO object by freeing
383 internal buffers, closing descriptors, handles.
384 */
385 void (*viodelete)(MYSQL_VIO) = {nullptr};
386 int (*vioerrno)(MYSQL_VIO) = {nullptr};
387 size_t (*read)(MYSQL_VIO, uchar *, size_t) = {nullptr};
388 size_t (*write)(MYSQL_VIO, const uchar *, size_t) = {nullptr};
389 int (*timeout)(MYSQL_VIO, uint, bool) = {nullptr};
390 int (*viokeepalive)(MYSQL_VIO, bool) = {nullptr};
391 int (*fastsend)(MYSQL_VIO) = {nullptr};
392 bool (*peer_addr)(MYSQL_VIO, char *, uint16 *, size_t) = {nullptr};
393 void (*in_addr)(MYSQL_VIO, struct sockaddr_storage *) = {nullptr};
394 bool (*should_retry)(MYSQL_VIO) = {nullptr};
395 bool (*was_timeout)(MYSQL_VIO) = {nullptr};
396 /*
397 vioshutdown is resposnible to shutdown/close the channel, so that no
398 further communications can take place, however any related buffers,
399 descriptors, handles can remain valid after a shutdown.
400 */
401 int (*vioshutdown)(MYSQL_VIO) = {nullptr};
402 bool (*is_connected)(MYSQL_VIO) = {nullptr};
403 bool (*has_data)(MYSQL_VIO) = {nullptr};
404 int (*io_wait)(MYSQL_VIO, enum enum_vio_io_event, int) = {nullptr};
405 bool (*connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int) = {nullptr};
406#ifdef _WIN32
407#ifdef __clang__
408 OVERLAPPED overlapped = {0, 0, {{0, 0}}, nullptr};
409#else
410 // MSVC, at least up to 2015, gives an internal error on the above.
411 OVERLAPPED overlapped = {0};
412#endif
413 HANDLE hPipe{nullptr};
414#endif
415 void *ssl_arg = {nullptr};
420#if defined(_WIN32)
421 HANDLE handle_file_map = {nullptr};
422 char *handle_map = {nullptr};
423 HANDLE event_server_wrote = {nullptr};
424 HANDLE event_server_read = {nullptr};
425 HANDLE event_client_wrote = {nullptr};
426 HANDLE event_client_read = {nullptr};
427 HANDLE event_conn_closed = {nullptr};
428 size_t shared_memory_remain = {0};
429 char *shared_memory_pos = {nullptr};
430
431#endif /* _WIN32 */
432 bool (*is_blocking)(Vio *vio) = {nullptr};
433 int (*set_blocking)(Vio *vio, bool val) = {nullptr};
434 int (*set_blocking_flag)(Vio *vio, bool val) = {nullptr};
435 /* Indicates whether socket or SSL based communication is blocking or not. */
436 bool is_blocking_flag = {true};
437
438 private:
439 friend Vio *internal_vio_create(uint flags);
440 friend void internal_vio_delete(Vio *vio);
441 friend bool vio_reset(Vio *vio, enum_vio_type type, my_socket sd, void *ssl,
442 uint flags);
443
444 explicit Vio(uint flags);
445 ~Vio();
446
447 public:
448 Vio(const Vio &) = delete;
449 Vio &operator=(const Vio &) = delete;
450 Vio &operator=(Vio &&vio);
451};
452
453#define SSL_handle SSL *
454
455#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.
int my_socket
Definition: mysql.h:64
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1065
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:926
Definition: local.h:59
static bool timeout(bool(*wait_condition)())
Timeout function.
Definition: log0meb.cc:497
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:319
size_t(* read)(MYSQL_VIO, uchar *, size_t)
Definition: violite.h:387
PSI_socket_locker_state m_psi_write_state
Definition: violite.h:419
char * read_end
Definition: violite.h:335
bool localhost
Definition: violite.h:321
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:352
int(* vioshutdown)(MYSQL_VIO)
Definition: violite.h:401
int write_timeout
Definition: violite.h:325
int(* fastsend)(MYSQL_VIO)
Definition: violite.h:391
sigset_t signal_mask
Definition: violite.h:349
char * read_buffer
Definition: violite.h:332
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:348
int(* set_blocking)(Vio *vio, bool val)
Definition: violite.h:433
PSI_socket_locker_state m_psi_read_state
Definition: violite.h:417
bool(* should_retry)(MYSQL_VIO)
Definition: violite.h:394
std::atomic_flag poll_shutdown_flag
Definition: violite.h:364
char network_namespace[256]
Socket network namespace.
Definition: violite.h:374
char * read_pos
Definition: violite.h:333
int(* set_blocking_flag)(Vio *vio, bool val)
Definition: violite.h:434
int(* vioerrno)(MYSQL_VIO)
Definition: violite.h:386
bool(* is_blocking)(Vio *vio)
Definition: violite.h:432
size_t(* write)(MYSQL_VIO, const uchar *, size_t)
Definition: violite.h:388
bool is_blocking_flag
Definition: violite.h:436
bool(* peer_addr)(MYSQL_VIO, char *, uint16 *, size_t)
Definition: violite.h:392
enum_vio_type type
Definition: violite.h:322
bool(* connect)(MYSQL_VIO, struct sockaddr *, socklen_t, int)
Definition: violite.h:405
friend void internal_vio_delete(Vio *vio)
Definition: vio.cc:546
void(* viodelete)(MYSQL_VIO)
Definition: violite.h:385
bool inactive
Definition: violite.h:327
~Vio()
Definition: vio.cc:115
int(* viokeepalive)(MYSQL_VIO, bool)
Definition: violite.h:390
struct PSI_socket_locker * m_psi_write_locker
Definition: violite.h:418
friend Vio * internal_vio_create(uint flags)
Definition: vio.cc:417
size_t addrLen
Definition: violite.h:331
Vio(const Vio &)=delete
MYSQL_SOCKET mysql_socket
Definition: violite.h:320
bool(* was_timeout)(MYSQL_VIO)
Definition: violite.h:395
struct PSI_socket_locker * m_psi_read_locker
Definition: violite.h:416
int retry_count
Definition: violite.h:326
void * ssl_arg
Definition: violite.h:415
Vio & operator=(const Vio &)=delete
Vio(uint flags)
Definition: vio.cc:101
int read_timeout
Definition: violite.h:324
int(* io_wait)(MYSQL_VIO, enum enum_vio_io_event, int)
Definition: violite.h:404
int(* timeout)(MYSQL_VIO, uint, bool)
Definition: violite.h:389
struct sockaddr_storage remote
Definition: violite.h:330
bool(* is_connected)(MYSQL_VIO)
Definition: violite.h:402
bool(* has_data)(MYSQL_VIO)
Definition: violite.h:403
Definition: violite.h:255
SSL_CTX * ssl_context
Definition: violite.h:256
void vio_ssl_end()
Definition: viosslfactories.cc:293
#define vio_errno(vio)
Definition: violite.h:287
my_socket vio_fd(MYSQL_VIO vio)
SSL_type
Definition: violite.h:306
@ SSL_TYPE_NOT_SPECIFIED
Definition: violite.h:307
@ SSL_TYPE_NONE
Definition: violite.h:308
@ SSL_TYPE_ANY
Definition: violite.h:309
@ SSL_TYPE_X509
Definition: violite.h:310
@ SSL_TYPE_SPECIFIED
Definition: violite.h:311
#define vio_is_blocking(vio)
Definition: violite.h:300
#define vio_keepalive(vio, set_keep_alive)
Definition: violite.h:291
MYSQL_VIO vio_new(my_socket sd, enum enum_vio_type type, uint flags)
Definition: vio.cc:444
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:332
enum enum_vio_type vio_type(const MYSQL_VIO vio)
void ssl_start(void)
Definition: viosslfactories.cc:316
int sslaccept(struct st_VioSSLFd *, MYSQL_VIO, long timeout, unsigned long *errptr)
void vio_end(void)
Definition: vio.cc:560
int vio_timeout(MYSQL_VIO vio, uint which, int timeout_sec)
#define MYSQL_VIO
Definition: violite.h:75
#define vio_should_retry(vio)
Definition: violite.h:293
#define vio_set_blocking_flag(vio, val)
Definition: violite.h:302
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:574
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:581
int sslconnect(struct st_VioSSLFd *, MYSQL_VIO, long timeout, SSL_SESSION *session, unsigned long *errptr, SSL **ssl, const char *sni_servername)
void vio_description(MYSQL_VIO vio, char *buf)
const char * sslGetErrString(enum enum_ssl_init_error err)
Definition: viosslfactories.cc:92
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:251
@ SSL_INITERR_CERT
Definition: violite.h:237
@ SSL_INITERR_BAD_PATHS
Definition: violite.h:240
@ SSL_INITERR_INVALID_CERTIFICATES
Definition: violite.h:250
@ 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:631
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
enum_vio_io_event
VIO I/O events.
Definition: violite.h:131
@ VIO_IO_EVENT_WRITE
Definition: violite.h:133
@ VIO_IO_EVENT_CONNECT
Definition: violite.h:134
@ VIO_IO_EVENT_READ
Definition: violite.h:132
#define vio_fastsend(vio)
Definition: violite.h:290
#define vio_set_blocking(vio, val)
Definition: violite.h:301
#define vio_shutdown(vio)
Definition: violite.h:295
size_t vio_read_buff(MYSQL_VIO vio, uchar *buf, size_t size)
#define vio_delete(vio)
Definition: violite.h:286
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:158
#define vio_peer_addr(vio, buf, prt, buflen)
Definition: violite.h:296
ssize_t vio_pending(MYSQL_VIO vio)
Vio Vio
Definition: violite.h:72
#define vio_was_timeout(vio)
Definition: violite.h:294
#define vio_read(vio, buf, size)
Definition: violite.h:288
#define vio_write(vio, buf, size)
Definition: violite.h:289
#define vio_io_wait(vio, event, timeout)
Definition: violite.h:298
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:602
enum_vio_type
Definition: violite.h:78
@ LAST_VIO_TYPE
Definition: violite.h:117
@ VIO_TYPE_SHARED_MEMORY
Used for shared memory connections.
Definition: violite.h:102
@ NO_VIO_TYPE
Type of the connection is unknown.
Definition: violite.h:82
@ FIRST_VIO_TYPE
Definition: violite.h:112
@ VIO_TYPE_PLUGIN
Implicitly used by plugins that doesn't support any other VIO_TYPE.
Definition: violite.h:110
@ VIO_TYPE_SSL
Used in case of SSL connections.
Definition: violite.h:98
@ VIO_TYPE_NAMEDPIPE
Used for named pipe connections.
Definition: violite.h:94
@ VIO_TYPE_TCPIP
Used in case of TCP/IP connections.
Definition: violite.h:86
@ VIO_TYPE_LOCAL
Used internally by the prepared statements.
Definition: violite.h:106
@ VIO_TYPE_SOCKET
Used for Unix Domain socket connections.
Definition: violite.h:90
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:299
MYSQL_VIO mysql_socket_vio_new(MYSQL_SOCKET mysql_socket, enum enum_vio_type type, uint flags)
Definition: vio.cc:425
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