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mariadb/include/violite.h
Marko Mäkelä 89d80c1b0b Fix many -Wconversion warnings. 
Define my_thread_id as an unsigned type, to avoid mismatch with
ulonglong.  Change some parameters to this type.

Use size_t in a few more places.

Declare many flag constants as unsigned to avoid sign mismatch
when shifting bits or applying the unary ~ operator.

When applying the unary ~ operator to enum constants, explictly
cast the result to an unsigned type, because enum constants can
be treated as signed.

In InnoDB, change the source code line number parameters from
ulint to unsigned type. Also, make some InnoDB functions return
a narrower type (unsigned or uint32_t instead of ulint;
bool instead of ibool).
2017-03-07 19:07:27 +02:00

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/* Copyright (c) 2000, 2012, Oracle and/or its affiliates.
Copyright (c) 2012, 2017, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
* Vio Lite.
* Purpose: include file for Vio that will work with C and C++
*/
#ifndef vio_violite_h_
#define vio_violite_h_
#include "my_net.h" /* needed because of struct in_addr */
#include <mysql/psi/mysql_socket.h>
/* Simple vio interface in C; The functions are implemented in violite.c */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef __cplusplus
typedef struct st_vio Vio;
#endif /* __cplusplus */
enum enum_vio_type
{
VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET, VIO_TYPE_NAMEDPIPE,
VIO_TYPE_SSL, VIO_TYPE_SHARED_MEMORY
};
/**
VIO I/O events.
*/
enum enum_vio_io_event
{
VIO_IO_EVENT_READ,
VIO_IO_EVENT_WRITE,
VIO_IO_EVENT_CONNECT
};
#define VIO_LOCALHOST 1U /* a localhost connection */
#define VIO_BUFFERED_READ 2U /* use buffered read */
#define VIO_READ_BUFFER_SIZE 16384U /* size of read buffer */
#define VIO_DESCRIPTION_SIZE 30 /* size of description */
Vio* vio_new(my_socket sd, enum enum_vio_type type, uint flags);
Vio* mysql_socket_vio_new(MYSQL_SOCKET mysql_socket, enum enum_vio_type type, uint flags);
#ifdef __WIN__
Vio* vio_new_win32pipe(HANDLE hPipe);
Vio* vio_new_win32shared_memory(HANDLE handle_file_map,
HANDLE handle_map,
HANDLE event_server_wrote,
HANDLE event_server_read,
HANDLE event_client_wrote,
HANDLE event_client_read,
HANDLE event_conn_closed);
#else
#define HANDLE void *
#endif /* __WIN__ */
void vio_delete(Vio* vio);
int vio_close(Vio* vio);
my_bool vio_reset(Vio* vio, enum enum_vio_type type,
my_socket sd, void *ssl, uint flags);
size_t vio_read(Vio *vio, uchar * buf, size_t size);
size_t vio_read_buff(Vio *vio, uchar * buf, size_t size);
size_t vio_write(Vio *vio, const uchar * buf, size_t size);
int vio_blocking(Vio *vio, my_bool onoff, my_bool *old_mode);
my_bool vio_is_blocking(Vio *vio);
/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
int vio_fastsend(Vio *vio);
/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
int vio_keepalive(Vio *vio, my_bool onoff);
/* Whenever we should retry the last read/write operation. */
my_bool vio_should_retry(Vio *vio);
/* Check that operation was timed out */
my_bool vio_was_timeout(Vio *vio);
/* Short text description of the socket for those, who are curious.. */
const char* vio_description(Vio *vio);
/* Return the type of the connection */
enum enum_vio_type vio_type(Vio* vio);
/* Return last error number */
int vio_errno(Vio*vio);
/* Get socket number */
my_socket vio_fd(Vio*vio);
/* Remote peer's address and name in text form */
my_bool vio_peer_addr(Vio *vio, char *buf, uint16 *port, size_t buflen);
/* Wait for an I/O event notification. */
int vio_io_wait(Vio *vio, enum enum_vio_io_event event, int timeout);
my_bool vio_is_connected(Vio *vio);
#ifndef DBUG_OFF
ssize_t vio_pending(Vio *vio);
#endif
/* Set timeout for a network operation. */
extern int vio_timeout(Vio *vio, uint which, int timeout_sec);
extern void vio_set_wait_callback(void (*before_wait)(void),
void (*after_wait)(void));
/* Connect to a peer. */
my_bool vio_socket_connect(Vio *vio, struct sockaddr *addr, socklen_t len,
int timeout);
my_bool vio_get_normalized_ip_string(const struct sockaddr *addr, int addr_length,
char *ip_string, size_t ip_string_size);
my_bool vio_is_no_name_error(int err_code);
int vio_getnameinfo(const struct sockaddr *sa,
char *hostname, size_t hostname_size,
char *port, size_t port_size,
int flags);
#ifdef HAVE_OPENSSL
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x0090700f
#define DES_cblock des_cblock
#define DES_key_schedule des_key_schedule
#define DES_set_key_unchecked(k,ks) des_set_key_unchecked((k),*(ks))
#define DES_ede3_cbc_encrypt(i,o,l,k1,k2,k3,iv,e) des_ede3_cbc_encrypt((i),(o),(l),*(k1),*(k2),*(k3),(iv),(e))
#endif
/* apple deprecated openssl in MacOSX Lion */
#ifdef __APPLE__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#define HEADER_DES_LOCL_H dummy_something
#define YASSL_MYSQL_COMPATIBLE
#ifndef YASSL_PREFIX
#define YASSL_PREFIX
#endif
/* Set yaSSL to use same type as MySQL do for socket handles */
typedef my_socket YASSL_SOCKET_T;
#define YASSL_SOCKET_T_DEFINED
#include <openssl/ssl.h>
#include <openssl/err.h>
#ifdef HAVE_ERR_remove_thread_state
#define ERR_remove_state(X) ERR_remove_thread_state(NULL)
#endif
enum enum_ssl_init_error
{
SSL_INITERR_NOERROR= 0, SSL_INITERR_CERT, SSL_INITERR_KEY,
SSL_INITERR_NOMATCH, SSL_INITERR_BAD_PATHS, SSL_INITERR_CIPHERS,
SSL_INITERR_MEMFAIL, SSL_INITERR_DH, SSL_INITERR_LASTERR
};
const char* sslGetErrString(enum enum_ssl_init_error err);
struct st_VioSSLFd
{
SSL_CTX *ssl_context;
};
int sslaccept(struct st_VioSSLFd*, Vio *, long timeout, unsigned long *errptr);
int sslconnect(struct st_VioSSLFd*, Vio *, long timeout, unsigned long *errptr);
struct st_VioSSLFd
*new_VioSSLConnectorFd(const char *key_file, const char *cert_file,
const char *ca_file, const char *ca_path,
const char *cipher, enum enum_ssl_init_error *error,
const char *crl_file, const char *crl_path);
struct st_VioSSLFd
*new_VioSSLAcceptorFd(const char *key_file, const char *cert_file,
const char *ca_file,const char *ca_path,
const char *cipher, enum enum_ssl_init_error *error,
const char *crl_file, const char *crl_path);
void free_vio_ssl_acceptor_fd(struct st_VioSSLFd *fd);
#endif /* HAVE_OPENSSL */
void vio_end(void);
#ifdef __cplusplus
}
#endif
#if !defined(DONT_MAP_VIO)
#define vio_delete(vio) (vio)->viodelete(vio)
#define vio_errno(vio) (vio)->vioerrno(vio)
#define vio_read(vio, buf, size) ((vio)->read)(vio,buf,size)
#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
#define vio_blocking(vio, set_blocking_mode, old_mode)\
(vio)->vioblocking(vio, set_blocking_mode, old_mode)
#define vio_is_blocking(vio) (vio)->is_blocking(vio)
#define vio_fastsend(vio) (vio)->fastsend(vio)
#define vio_keepalive(vio, set_keep_alive) (vio)->viokeepalive(vio, set_keep_alive)
#define vio_should_retry(vio) (vio)->should_retry(vio)
#define vio_was_timeout(vio) (vio)->was_timeout(vio)
#define vio_close(vio) ((vio)->vioclose)(vio)
#define vio_shutdown(vio,how) ((vio)->shutdown)(vio,how)
#define vio_peer_addr(vio, buf, prt, buflen) (vio)->peer_addr(vio, buf, prt, buflen)
#define vio_io_wait(vio, event, timeout) (vio)->io_wait(vio, event, timeout)
#define vio_is_connected(vio) (vio)->is_connected(vio)
#endif /* !defined(DONT_MAP_VIO) */
#ifdef _WIN32
/* shutdown(2) flags */
#ifndef SHUT_RD
#define SHUT_RD SD_RECEIVE
#endif
#endif
/* This enumerator is used in parser - should be always visible */
enum SSL_type
{
SSL_TYPE_NOT_SPECIFIED= -1,
SSL_TYPE_NONE,
SSL_TYPE_ANY,
SSL_TYPE_X509,
SSL_TYPE_SPECIFIED
};
/* HFTODO - hide this if we don't want client in embedded server */
/* This structure is for every connection on both sides */
struct st_vio
{
MYSQL_SOCKET mysql_socket; /* Instrumented socket */
my_bool localhost; /* Are we from localhost? */
int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
struct sockaddr_storage local; /* Local internet address */
struct sockaddr_storage remote; /* Remote internet address */
int addrLen; /* Length of remote address */
enum enum_vio_type type; /* Type of connection */
const char *desc; /* String description */
char *read_buffer; /* buffer for vio_read_buff */
char *read_pos; /* start of unfetched data in the
read buffer */
char *read_end; /* end of unfetched data */
struct mysql_async_context *async_context; /* For non-blocking API */
int read_timeout; /* Timeout value (ms) for read ops. */
int write_timeout; /* Timeout value (ms) for write ops. */
/* function pointers. They are similar for socket/SSL/whatever */
void (*viodelete)(Vio*);
int (*vioerrno)(Vio*);
size_t (*read)(Vio*, uchar *, size_t);
size_t (*write)(Vio*, const uchar *, size_t);
int (*timeout)(Vio*, uint, my_bool);
int (*vioblocking)(Vio*, my_bool, my_bool *);
my_bool (*is_blocking)(Vio*);
int (*viokeepalive)(Vio*, my_bool);
int (*fastsend)(Vio*);
my_bool (*peer_addr)(Vio*, char *, uint16*, size_t);
void (*in_addr)(Vio*, struct sockaddr_storage*);
my_bool (*should_retry)(Vio*);
my_bool (*was_timeout)(Vio*);
int (*vioclose)(Vio*);
my_bool (*is_connected)(Vio*);
int (*shutdown)(Vio *, int);
my_bool (*has_data) (Vio*);
int (*io_wait)(Vio*, enum enum_vio_io_event, int);
my_bool (*connect)(Vio*, struct sockaddr *, socklen_t, int);
#ifdef HAVE_OPENSSL
void *ssl_arg;
#endif
#ifdef HAVE_SMEM
HANDLE handle_file_map;
char *handle_map;
HANDLE event_server_wrote;
HANDLE event_server_read;
HANDLE event_client_wrote;
HANDLE event_client_read;
HANDLE event_conn_closed;
size_t shared_memory_remain;
char *shared_memory_pos;
#endif /* HAVE_SMEM */
#ifdef _WIN32
HANDLE hPipe;
OVERLAPPED overlapped;
DWORD read_timeout_ms;
DWORD write_timeout_ms;
#endif
};
#endif /* vio_violite_h_ */
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