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osqlcomm.c
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/*
Copyright 2015, 2017, Bloomberg Finance L.P.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "limit_fortify.h"
#include <strings.h>
#include <errno.h>
#include <poll.h>
#include <util.h>
#include "osqlcomm.h"
#include "osqlsession.h"
#include "sqloffload.h"
#include "osqlcheckboard.h"
#include "osqlrepository.h"
#include "osqlblockproc.h"
#include <compile_time_assert.h>
#include <netinet/in.h>
#include <endian_core.h>
#include <alloca.h>
#include "comdb2.h"
#include "net.h"
#include "sqlstat1.h"
#include <ctrace.h>
#include "comdb2uuid.h"
#include "socket_interfaces.h"
#include "debug_switches.h"
#include <schemachange.h>
#include <genid.h>
#include <flibc.h>
#include <net_types.h>
#include <errstat.h>
#include "cron.h"
#include <bpfunc.h>
#include <strbuf.h>
#include <logmsg.h>
#include "views.h"
#include "str0.h"
#include "sc_struct.h"
#include <compat.h>
#include <unistd.h>
#define BLKOUT_DEFAULT_DELTA 5
#define MAX_CLUSTER 16
#define UNK_ERR_SEND_RETRY 10
/**
* NOTE: the assumption here is that there are no more comm users
* when g_osql_ready is reset. This is done by closing all possible
* sqlthread and appsock threads before disabling g_osql_ready.
*
*/
struct thdpool *gbl_osqlpfault_thdpool = NULL;
osqlpf_step *gbl_osqlpf_step = NULL;
queue_type *gbl_osqlpf_stepq = NULL;
pthread_mutex_t osqlpf_mutex = PTHREAD_MUTEX_INITIALIZER;
extern __thread int send_prefault_udp;
extern int gbl_prefault_udp;
extern int g_osql_ready;
extern int gbl_goslow;
extern int gbl_partial_indexes;
extern int db_is_stopped();
static int osql_net_type_to_net_uuid_type(int type);
typedef struct osql_blknds {
char *nds[MAX_CLUSTER]; /* list of nodes to blackout in offloading */
time_t times[MAX_CLUSTER]; /* time of blacking out */
int n; /* 0..n-1 nodes valid in blknds */
time_t delta; /* blackout window in seconds */
time_t heartbeat[MAX_CLUSTER]; /* the last heartbeat received; used to
select active nodes only */
time_t delta_hbeat; /* heartbeat timestamp cannot be older than delta_hbeat
seconds */
} osql_blknds_t;
typedef struct osql_comm {
void *
handle_sibling; /* pointer to netinfo structure supporting offloading */
osql_blknds_t blkout; /* blackout structure */
} osql_comm_t;
typedef struct osql_poke {
unsigned long long rqid; /* look for this session id */
int tstamp; /* when this was sent */
short from; /* who sent this (i.e. the master) */
short to; /* intended offloading node */
} osql_poke_t;
typedef struct osql_poke_uuid {
uuid_t uuid; /* look for this session id */
int tstamp; /* when this was sent */
} osql_poke_uuid_t;
enum { OSQLCOMM_POKE_TYPE_LEN = 8 + 4 + 2 + 2 };
enum { OSQLCOMM_POKE_UUID_TYPE_LEN = 16 + 4 };
BB_COMPILE_TIME_ASSERT(osqlcomm_poke_type_len,
sizeof(osql_poke_t) == OSQLCOMM_POKE_TYPE_LEN);
BB_COMPILE_TIME_ASSERT(osqlcomm_poke_uuid_type_len,
sizeof(osql_poke_uuid_t) == OSQLCOMM_POKE_UUID_TYPE_LEN);
static uint8_t *osqlcomm_poke_type_put(const osql_poke_t *p_poke_type,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_POKE_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_poke_type->rqid), sizeof(p_poke_type->rqid), p_buf,
p_buf_end);
p_buf = buf_put(&(p_poke_type->tstamp), sizeof(p_poke_type->tstamp), p_buf,
p_buf_end);
p_buf = buf_put(&(p_poke_type->from), sizeof(p_poke_type->from), p_buf,
p_buf_end);
p_buf =
buf_put(&(p_poke_type->to), sizeof(p_poke_type->to), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_poke_type_get(osql_poke_t *p_poke_type,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_POKE_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_poke_type->rqid), sizeof(p_poke_type->rqid), p_buf,
p_buf_end);
p_buf = buf_get(&(p_poke_type->tstamp), sizeof(p_poke_type->tstamp), p_buf,
p_buf_end);
p_buf = buf_get(&(p_poke_type->from), sizeof(p_poke_type->from), p_buf,
p_buf_end);
p_buf =
buf_get(&(p_poke_type->to), sizeof(p_poke_type->to), p_buf, p_buf_end);
return p_buf;
}
static uint8_t *osqlcomm_poke_uuid_type_put(const osql_poke_uuid_t *p_poke_type,
uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_POKE_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_no_net_put(p_poke_type->uuid, sizeof(p_poke_type->uuid), p_buf,
p_buf_end);
p_buf = buf_put(&(p_poke_type->tstamp), sizeof(p_poke_type->tstamp), p_buf,
p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_poke_uuid_type_get(osql_poke_uuid_t *p_poke_type,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_POKE_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_no_net_get(p_poke_type->uuid, sizeof(p_poke_type->uuid), p_buf,
p_buf_end);
p_buf = buf_get(&(p_poke_type->tstamp), sizeof(p_poke_type->tstamp), p_buf,
p_buf_end);
return p_buf;
}
typedef struct hbeat {
int dst;
int src;
int time;
} hbeat_t;
enum { OSQLCOMM_HBEAT_TYPE_LEN = 4 + 4 + 4 };
BB_COMPILE_TIME_ASSERT(osqlcomm_hbeat_type_len,
sizeof(hbeat_t) == OSQLCOMM_HBEAT_TYPE_LEN);
static uint8_t *osqlcomm_hbeat_type_put(const hbeat_t *p_hbeat_type,
uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_HBEAT_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_hbeat_type->dst), sizeof(p_hbeat_type->dst), p_buf,
p_buf_end);
p_buf = buf_put(&(p_hbeat_type->src), sizeof(p_hbeat_type->src), p_buf,
p_buf_end);
p_buf = buf_put(&(p_hbeat_type->time), sizeof(p_hbeat_type->time), p_buf,
p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_hbeat_type_get(hbeat_t *p_hbeat_type,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_HBEAT_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_hbeat_type->dst), sizeof(p_hbeat_type->dst), p_buf,
p_buf_end);
p_buf = buf_get(&(p_hbeat_type->src), sizeof(p_hbeat_type->src), p_buf,
p_buf_end);
p_buf = buf_get(&(p_hbeat_type->time), sizeof(p_hbeat_type->time), p_buf,
p_buf_end);
return p_buf;
}
typedef struct osql_echo {
int nonce;
int idx;
unsigned long long snt;
unsigned long long rcv;
} osql_echo_t;
enum { OSQLCOMM_ECHO_TYPE_LEN = 4 + 4 + 8 + 8 };
BB_COMPILE_TIME_ASSERT(osqlcomm_echo_type_len,
sizeof(osql_echo_t) == OSQLCOMM_ECHO_TYPE_LEN);
static uint8_t *osqlcomm_echo_type_put(const osql_echo_t *p_echo_type,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_ECHO_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_echo_type->nonce), sizeof(p_echo_type->nonce), p_buf,
p_buf_end);
p_buf = buf_put(&(p_echo_type->idx), sizeof(p_echo_type->idx), p_buf,
p_buf_end);
p_buf = buf_put(&(p_echo_type->snt), sizeof(p_echo_type->snt), p_buf,
p_buf_end);
p_buf = buf_put(&(p_echo_type->rcv), sizeof(p_echo_type->rcv), p_buf,
p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_echo_type_get(osql_echo_t *p_echo_type,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_ECHO_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_echo_type->nonce), sizeof(p_echo_type->nonce), p_buf,
p_buf_end);
p_buf = buf_get(&(p_echo_type->idx), sizeof(p_echo_type->idx), p_buf,
p_buf_end);
p_buf = buf_get(&(p_echo_type->snt), sizeof(p_echo_type->snt), p_buf,
p_buf_end);
p_buf = buf_get(&(p_echo_type->rcv), sizeof(p_echo_type->rcv), p_buf,
p_buf_end);
return p_buf;
}
/* messages */
struct osql_req {
enum OSQL_REQ_TYPE type;
int rqlen;
int sqlqlen;
int padding;
unsigned long long rqid; /* fastseed */
char tzname[DB_MAX_TZNAMEDB];
unsigned char ntails;
unsigned char flags;
char pad[1];
char sqlq[1];
};
enum { OSQLCOMM_REQ_TYPE_LEN = 8 + 4 + 4 + 8 + DB_MAX_TZNAMEDB + 3 + 1 };
BB_COMPILE_TIME_ASSERT(osqlcomm_req_type_len,
sizeof(struct osql_req) == OSQLCOMM_REQ_TYPE_LEN);
struct osql_req_tail {
int type;
int len;
};
enum { OSQL_REQ_TAIL_LEN = 4 + 4 };
BB_COMPILE_TIME_ASSERT(osql_req_tail_len,
sizeof(struct osql_req_tail) == OSQL_REQ_TAIL_LEN);
static uint8_t *osqlcomm_req_type_put(const struct osql_req *p_osql_req,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_REQ_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
#if 0
p_buf = buf_no_net_put(&(p_osql_req->pad), sizeof(p_osql_req->pad), p_buf,
p_buf_end);
#endif
p_buf =
buf_put(&p_osql_req->type, sizeof(p_osql_req->type), p_buf, p_buf_end);
p_buf = buf_put(&p_osql_req->rqlen, sizeof(p_osql_req->rqlen), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->sqlqlen, sizeof(p_osql_req->sqlqlen), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->padding, sizeof(p_osql_req->padding), p_buf,
p_buf_end);
p_buf =
buf_put(&p_osql_req->rqid, sizeof(p_osql_req->rqid), p_buf, p_buf_end);
p_buf = buf_put(&p_osql_req->tzname, sizeof(p_osql_req->tzname), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->ntails, sizeof(p_osql_req->ntails), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->flags, sizeof(p_osql_req->flags), p_buf,
p_buf_end);
p_buf =
buf_put(&p_osql_req->pad, sizeof(p_osql_req->pad), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_req_type_get(struct osql_req *p_osql_req,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_REQ_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_req->type), sizeof(p_osql_req->type), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->rqlen, sizeof(p_osql_req->rqlen), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->sqlqlen, sizeof(p_osql_req->sqlqlen), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->padding, sizeof(p_osql_req->padding), p_buf,
p_buf_end);
p_buf =
buf_get(&p_osql_req->rqid, sizeof(p_osql_req->rqid), p_buf, p_buf_end);
p_buf = buf_get(&p_osql_req->tzname, sizeof(p_osql_req->tzname), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->ntails, sizeof(p_osql_req->ntails), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->flags, sizeof(p_osql_req->flags), p_buf,
p_buf_end);
p_buf =
buf_get(&p_osql_req->pad, sizeof(p_osql_req->pad), p_buf, p_buf_end);
return (const uint8_t *)p_buf;
}
struct osql_uuid_req {
enum OSQL_REQ_TYPE type;
int rqlen;
int sqlqlen;
int flags;
uuid_t uuid;
char tzname[DB_MAX_TZNAMEDB];
unsigned char ntails;
char pad[2];
char sqlq[1];
};
enum { OSQLCOMM_REQ_UUID_TYPE_LEN = 8 + 4 + 4 + 16 + DB_MAX_TZNAMEDB + 3 + 1 };
BB_COMPILE_TIME_ASSERT(osqlcomm_req_uuid_type_len,
sizeof(struct osql_req) == OSQLCOMM_REQ_TYPE_LEN);
static uint8_t *
osqlcomm_req_uuid_type_put(const struct osql_uuid_req *p_osql_req,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_REQ_UUID_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf =
buf_put(&p_osql_req->type, sizeof(p_osql_req->type), p_buf, p_buf_end);
p_buf = buf_put(&p_osql_req->rqlen, sizeof(p_osql_req->rqlen), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->sqlqlen, sizeof(p_osql_req->sqlqlen), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->flags, sizeof(p_osql_req->flags), p_buf,
p_buf_end);
p_buf = buf_no_net_put(&p_osql_req->uuid, sizeof(p_osql_req->uuid), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->tzname, sizeof(p_osql_req->tzname), p_buf,
p_buf_end);
p_buf = buf_put(&p_osql_req->ntails, sizeof(p_osql_req->ntails), p_buf,
p_buf_end);
p_buf =
buf_put(&p_osql_req->pad, sizeof(p_osql_req->pad), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *
osqlcomm_req_uuid_type_get(struct osql_uuid_req *p_osql_req,
const uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_REQ_UUID_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_req->type), sizeof(p_osql_req->type), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->rqlen, sizeof(p_osql_req->rqlen), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->sqlqlen, sizeof(p_osql_req->sqlqlen), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->flags, sizeof(p_osql_req->flags), p_buf,
p_buf_end);
p_buf =
buf_get(&p_osql_req->uuid, sizeof(p_osql_req->uuid), p_buf, p_buf_end);
p_buf = buf_get(&p_osql_req->tzname, sizeof(p_osql_req->tzname), p_buf,
p_buf_end);
p_buf = buf_get(&p_osql_req->ntails, sizeof(p_osql_req->ntails), p_buf,
p_buf_end);
p_buf =
buf_get(&p_osql_req->pad, sizeof(p_osql_req->pad), p_buf, p_buf_end);
return (const uint8_t *)p_buf;
}
typedef struct osql_rpl {
/* keep this header aligned head and tail! */
enum OSQL_RPL_TYPE type;
int padding;
unsigned long long sid; /* concurrent access */
} osql_rpl_t;
enum { OSQLCOMM_RPL_TYPE_LEN = 4 + 4 + 8 };
BB_COMPILE_TIME_ASSERT(osqlcomm_rpl_type_len,
sizeof(osql_rpl_t) == OSQLCOMM_RPL_TYPE_LEN);
static uint8_t *osqlcomm_rpl_type_put(const osql_rpl_t *p_osql_rpl,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_RPL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_osql_rpl->type), sizeof(p_osql_rpl->type), p_buf,
p_buf_end);
p_buf = buf_no_net_put(&(p_osql_rpl->padding), sizeof(p_osql_rpl->padding),
p_buf, p_buf_end);
p_buf =
buf_put(&(p_osql_rpl->sid), sizeof(p_osql_rpl->sid), p_buf, p_buf_end);
return p_buf;
}
/*static const uint8_t *osqlcomm_rpl_type_get(osql_rpl_t *p_osql_rpl, const
* uint8_t */
const uint8_t *osqlcomm_rpl_type_get(osql_rpl_t *p_osql_rpl,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_RPL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_rpl->type), sizeof(p_osql_rpl->type), p_buf,
p_buf_end);
p_buf = buf_no_net_get(&(p_osql_rpl->padding), sizeof(p_osql_rpl->padding),
p_buf, p_buf_end);
p_buf =
buf_get(&(p_osql_rpl->sid), sizeof(p_osql_rpl->sid), p_buf, p_buf_end);
return p_buf;
}
typedef struct osql_rpl_uuid {
enum OSQL_RPL_TYPE type;
int padding;
uuid_t uuid;
} osql_uuid_rpl_t;
enum { OSQLCOMM_UUID_RPL_TYPE_LEN = 4 + 4 + 16 };
BB_COMPILE_TIME_ASSERT(osqlcomm_rpl_uuid_type_len,
sizeof(osql_uuid_rpl_t) == OSQLCOMM_UUID_RPL_TYPE_LEN);
static uint8_t *osqlcomm_uuid_rpl_type_put(const osql_uuid_rpl_t *p_osql_rpl,
uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_UUID_RPL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_osql_rpl->type), sizeof(p_osql_rpl->type), p_buf,
p_buf_end);
p_buf = buf_no_net_put(&(p_osql_rpl->padding), sizeof(p_osql_rpl->padding),
p_buf, p_buf_end);
p_buf = buf_no_net_put(&(p_osql_rpl->uuid), sizeof(p_osql_rpl->uuid), p_buf,
p_buf_end);
return p_buf;
}
/*static const uint8_t *osqlcomm_rpl_type_get(osql_rpl_t *p_osql_rpl, const
* uint8_t */
const uint8_t *osqlcomm_uuid_rpl_type_get(osql_uuid_rpl_t *p_osql_rpl,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_UUID_RPL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_rpl->type), sizeof(p_osql_rpl->type), p_buf,
p_buf_end);
p_buf = buf_no_net_get(&(p_osql_rpl->padding), sizeof(p_osql_rpl->padding),
p_buf, p_buf_end);
p_buf = buf_get(&(p_osql_rpl->uuid), sizeof(p_osql_rpl->uuid), p_buf,
p_buf_end);
return p_buf;
}
typedef struct osql_del {
unsigned long long genid;
unsigned long long dk; /* flag to indicate which keys to modify */
} osql_del_t;
enum { OSQLCOMM_DEL_TYPE_LEN = 8 + 8 };
BB_COMPILE_TIME_ASSERT(osqlcomm_del_type_len,
sizeof(osql_del_t) == OSQLCOMM_DEL_TYPE_LEN);
static uint8_t *osqlcomm_del_type_put(const osql_del_t *p_osql_del,
uint8_t *p_buf, const uint8_t *p_buf_end,
int send_dk)
{
if (p_buf_end < p_buf ||
(send_dk ? OSQLCOMM_DEL_TYPE_LEN
: OSQLCOMM_DEL_TYPE_LEN - sizeof(unsigned long long)) >
(p_buf_end - p_buf))
return NULL;
p_buf = buf_no_net_put(&(p_osql_del->genid), sizeof(p_osql_del->genid),
p_buf, p_buf_end);
if (send_dk)
p_buf = buf_no_net_put(&(p_osql_del->dk), sizeof(p_osql_del->dk), p_buf,
p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_del_type_get(osql_del_t *p_osql_del,
const uint8_t *p_buf,
const uint8_t *p_buf_end,
int recv_dk)
{
if (p_buf_end < p_buf ||
(recv_dk ? OSQLCOMM_DEL_TYPE_LEN
: OSQLCOMM_DEL_TYPE_LEN - sizeof(unsigned long long)) >
(p_buf_end - p_buf))
return NULL;
p_buf = buf_no_net_get(&(p_osql_del->genid), sizeof(p_osql_del->genid),
p_buf, p_buf_end);
if (recv_dk)
p_buf = buf_no_net_get(&(p_osql_del->dk), sizeof(p_osql_del->dk), p_buf,
p_buf_end);
return p_buf;
}
typedef struct {
osql_uuid_rpl_t hd;
genid_t genid;
} osql_uuid_dbq_consume_t;
typedef struct {
osql_rpl_t hd;
genid_t genid;
} osql_dbq_consume_t;
typedef struct {
osql_uuid_rpl_t hd;
genid_t genid;
} osql_dbq_consume_uuid_t;
//TODO FIXME XXX -- compile time assert to check sizeof
typedef struct osql_del_rpl {
osql_rpl_t hd;
osql_del_t dt;
} osql_del_rpl_t;
enum {
OSQLCOMM_OSQL_DEL_RPL_TYPE_LEN =
OSQLCOMM_RPL_TYPE_LEN + OSQLCOMM_DEL_TYPE_LEN
};
BB_COMPILE_TIME_ASSERT(osqlcomm_del_rpl_type_len,
sizeof(osql_del_rpl_t) ==
OSQLCOMM_OSQL_DEL_RPL_TYPE_LEN);
static uint8_t *osqlcomm_del_rpl_type_put(osql_del_rpl_t *p_del_rpl,
uint8_t *p_buf, uint8_t *p_buf_end,
int send_dk)
{
if (p_buf_end < p_buf ||
(send_dk ? OSQLCOMM_OSQL_DEL_RPL_TYPE_LEN
: OSQLCOMM_OSQL_DEL_RPL_TYPE_LEN -
sizeof(unsigned long long)) > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_put(&(p_del_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_del_type_put(&(p_del_rpl->dt), p_buf, p_buf_end, send_dk);
return p_buf;
}
/* startgen */
typedef struct osql_startgen {
unsigned int start_gen;
int padding;
} osql_startgen_t;
enum { OSQLCOMM_STARTGEN_TYPE_LEN = 8 };
BB_COMPILE_TIME_ASSERT(osqlcomm_startgen_type_len,
sizeof(osql_startgen_t) == OSQLCOMM_STARTGEN_TYPE_LEN);
static uint8_t *
osqlcomm_startgen_type_put(const osql_startgen_t *p_osql_startgen,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_STARTGEN_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_osql_startgen->start_gen),
sizeof(p_osql_startgen->start_gen), p_buf, p_buf_end);
p_buf = buf_put(&(p_osql_startgen->padding),
sizeof(p_osql_startgen->padding), p_buf, p_buf_end);
return p_buf;
}
const uint8_t *osqlcomm_startgen_type_get(osql_startgen_t *p_osql_startgen,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_STARTGEN_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_startgen->start_gen),
sizeof(p_osql_startgen->start_gen), p_buf, p_buf_end);
return p_buf;
}
typedef struct osql_startgen_rpl {
osql_rpl_t hd;
osql_startgen_t dt;
} osql_startgen_rpl_t;
enum {
OSQLCOMM_STARTGEN_RPL_LEN =
OSQLCOMM_RPL_TYPE_LEN + OSQLCOMM_STARTGEN_TYPE_LEN
};
BB_COMPILE_TIME_ASSERT(osqlcomm_startgen_rpl_len,
sizeof(osql_startgen_rpl_t) ==
OSQLCOMM_STARTGEN_RPL_LEN);
static uint8_t *
osqlcomm_startgen_rpl_type_put(const osql_startgen_rpl_t *p_startgen_rpl,
uint8_t *p_buf, uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_STARTGEN_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_put(&(p_startgen_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_startgen_type_put(&(p_startgen_rpl->dt), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *
osqlcomm_startgen_rpl_type_get(osql_startgen_rpl_t *p_startgen_rpl,
const uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_STARTGEN_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_get(&(p_startgen_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_startgen_type_get(&(p_startgen_rpl->dt), p_buf, p_buf_end);
return p_buf;
}
typedef struct osql_startgen_uuid_rpl {
osql_uuid_rpl_t hd;
osql_startgen_t dt;
} osql_startgen_uuid_rpl_t;
enum {
OSQLCOMM_STARTGEN_UUID_RPL_LEN =
OSQLCOMM_UUID_RPL_TYPE_LEN + OSQLCOMM_STARTGEN_TYPE_LEN
};
BB_COMPILE_TIME_ASSERT(osqlcomm_startgen_uuid_type_len,
sizeof(osql_startgen_uuid_rpl_t) ==
OSQLCOMM_STARTGEN_UUID_RPL_LEN);
static uint8_t *osqlcomm_startgen_uuid_rpl_type_put(
const osql_startgen_uuid_rpl_t *p_startgen_rpl, uint8_t *p_buf,
uint8_t *p_buf_end)
{
if (p_buf_end < p_buf ||
OSQLCOMM_STARTGEN_UUID_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_uuid_rpl_type_put(&(p_startgen_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_startgen_type_put(&(p_startgen_rpl->dt), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *
osqlcomm_startgen_uuid_rpl_type_get(osql_startgen_uuid_rpl_t *p_startgen_rpl,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf ||
OSQLCOMM_STARTGEN_UUID_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_uuid_rpl_type_get(&(p_startgen_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_startgen_type_get(&(p_startgen_rpl->dt), p_buf, p_buf_end);
return p_buf;
}
/********* OSQL BPLOG FUNC *****************/
typedef struct osql_bpfunc {
int32_t data_len;
uint8_t data[];
} osql_bpfunc_t;
enum { OSQLCOMM_BPFUNC_TYPE_LEN = 4 };
BB_COMPILE_TIME_ASSERT(osqlcomm_bpfunc_type_len,
sizeof(osql_bpfunc_t) == OSQLCOMM_BPFUNC_TYPE_LEN);
static uint8_t *osqlcomm_bpfunc_type_put(const osql_bpfunc_t *p_osql_bpfunc,
uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf ||
OSQLCOMM_BPFUNC_TYPE_LEN + p_osql_bpfunc->data_len >
(p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&p_osql_bpfunc->data_len, sizeof(p_osql_bpfunc->data_len),
p_buf, p_buf_end);
p_buf = buf_no_net_put(&p_osql_bpfunc->data, p_osql_bpfunc->data_len, p_buf,
p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_bpfunc_type_get(osql_bpfunc_t **p_osql_bpfunc,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_BPFUNC_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
int32_t data_len = 0;
p_buf = buf_get(&data_len, sizeof(data_len), p_buf, p_buf_end);
*p_osql_bpfunc = malloc(sizeof(osql_bpfunc_t) + data_len);
if (!*p_osql_bpfunc)
return p_buf;
(*p_osql_bpfunc)->data_len = data_len;
if (data_len > 0) {
p_buf = buf_no_net_get(&((*p_osql_bpfunc)->data), data_len, p_buf,
p_buf_end);
}
return p_buf;
}
static uint8_t *osqlcomm_bpfunc_rpl_type_put(osql_rpl_t *hd, osql_bpfunc_t *dt,
uint8_t *p_buf, uint8_t *p_buf_end)
{
if (p_buf_end < p_buf ||
OSQLCOMM_RPL_TYPE_LEN + OSQLCOMM_BPFUNC_TYPE_LEN + dt->data_len >
(p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_put(hd, p_buf, p_buf_end);
p_buf = osqlcomm_bpfunc_type_put(dt, p_buf, p_buf_end);
return p_buf;
}
static uint8_t *osqlcomm_bpfunc_uuid_rpl_type_put(osql_uuid_rpl_t *hd,
osql_bpfunc_t *dt,
uint8_t *p_buf,
uint8_t *p_buf_end)
{
if (p_buf_end < p_buf ||
OSQLCOMM_RPL_TYPE_LEN + OSQLCOMM_BPFUNC_TYPE_LEN + dt->data_len >
(p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_uuid_rpl_type_put(hd, p_buf, p_buf_end);
p_buf = osqlcomm_bpfunc_type_put(dt, p_buf, p_buf_end);
return p_buf;
}
/********* OSQL_SCHEMACHANGE *****************/
static uint8_t *osqlcomm_schemachange_type_get(struct schema_change_type *sc,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
uint8_t *tmp_buf =
buf_get_schemachange(sc, (void *)p_buf, (void *)p_buf_end);
if (sc->tablename_len == -1 || sc->fname_len == -1 || sc->aname_len == -1)
return NULL;
return tmp_buf;
}
static uint8_t *
osqlcomm_schemachange_rpl_type_put(osql_rpl_t *hd,
struct schema_change_type *sc,
uint8_t *p_buf, uint8_t *p_buf_end)
{
size_t sc_len = schemachange_packed_size(sc);
if (p_buf_end < p_buf ||
OSQLCOMM_RPL_TYPE_LEN + sc_len > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_put(hd, p_buf, p_buf_end);
p_buf = buf_put_schemachange(sc, p_buf, p_buf_end);
return p_buf;
}
static uint8_t *
osqlcomm_schemachange_uuid_rpl_type_put(osql_uuid_rpl_t *hd,
struct schema_change_type *sc,
uint8_t *p_buf, uint8_t *p_buf_end)
{
size_t sc_len = schemachange_packed_size(sc);
if (p_buf_end < p_buf ||
OSQLCOMM_UUID_RPL_TYPE_LEN + sc_len > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_uuid_rpl_type_put(hd, p_buf, p_buf_end);
p_buf = buf_put_schemachange(sc, p_buf, p_buf_end);
return p_buf;
}
/***************************************************************************/
typedef struct osql_serial {
// ranges info
int buf_size;
int arr_size;
unsigned int file;
unsigned int offset;
} osql_serial_t;
typedef struct osql_del_uuid_rpl {
osql_uuid_rpl_t hd;
osql_del_t dt;
} osql_del_uuid_rpl_t;
enum {
OSQLCOMM_OSQL_DEL_UUID_RPL_TYPE_LEN =
OSQLCOMM_UUID_RPL_TYPE_LEN + OSQLCOMM_DEL_TYPE_LEN
};
BB_COMPILE_TIME_ASSERT(osqlcomm_del_uuid_rpl_type_len,
sizeof(osql_del_uuid_rpl_t) ==
OSQLCOMM_OSQL_DEL_UUID_RPL_TYPE_LEN);
static uint8_t *osqlcomm_del_uuid_rpl_type_put(osql_del_uuid_rpl_t *p_del_rpl,
uint8_t *p_buf,
uint8_t *p_buf_end, int send_dk)
{
if (p_buf_end < p_buf ||
(send_dk ? OSQLCOMM_OSQL_DEL_UUID_RPL_TYPE_LEN
: OSQLCOMM_OSQL_DEL_UUID_RPL_TYPE_LEN -
sizeof(unsigned long long)) > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_uuid_rpl_type_put(&(p_del_rpl->hd), p_buf, p_buf_end);
p_buf = osqlcomm_del_type_put(&(p_del_rpl->dt), p_buf, p_buf_end, send_dk);
return p_buf;
}
enum { OSQLCOMM_SERIAL_TYPE_LEN = 4 + 4 + 4 + 4 };
BB_COMPILE_TIME_ASSERT(osqlcomm_serial_type_len,
sizeof(osql_serial_t) == OSQLCOMM_SERIAL_TYPE_LEN);
static uint8_t *osqlcomm_serial_type_put(const osql_serial_t *p_osql_serial,
uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_SERIAL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_put(&(p_osql_serial->buf_size), sizeof(p_osql_serial->buf_size),
p_buf, p_buf_end);
p_buf = buf_put(&(p_osql_serial->arr_size), sizeof(p_osql_serial->arr_size),
p_buf, p_buf_end);
p_buf = buf_put(&(p_osql_serial->file), sizeof(p_osql_serial->file), p_buf,
p_buf_end);
p_buf = buf_put(&(p_osql_serial->offset), sizeof(p_osql_serial->offset),
p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *osqlcomm_serial_type_get(osql_serial_t *p_osql_serial,
const uint8_t *p_buf,
const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_SERIAL_TYPE_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = buf_get(&(p_osql_serial->buf_size), sizeof(p_osql_serial->buf_size),
p_buf, p_buf_end);
p_buf = buf_get(&(p_osql_serial->arr_size), sizeof(p_osql_serial->arr_size),
p_buf, p_buf_end);
p_buf = buf_get(&(p_osql_serial->file), sizeof(p_osql_serial->file), p_buf,
p_buf_end);
p_buf = buf_get(&(p_osql_serial->offset), sizeof(p_osql_serial->offset),
p_buf, p_buf_end);
return p_buf;
}
typedef struct osql_serial_rpl {
osql_rpl_t hd;
osql_serial_t dt;
} osql_serial_rpl_t;
enum {
OSQLCOMM_SERIAL_RPL_LEN = OSQLCOMM_RPL_TYPE_LEN + OSQLCOMM_SERIAL_TYPE_LEN
};
typedef struct osql_serial_uuid_rpl {
osql_uuid_rpl_t hd;
osql_serial_t dt;
} osql_serial_uuid_rpl_t;
enum {
OSQLCOMM_SERIAL_UUID_RPL_LEN =
OSQLCOMM_UUID_RPL_TYPE_LEN + OSQLCOMM_SERIAL_TYPE_LEN
};
BB_COMPILE_TIME_ASSERT(osqlcomm_serial_uuid_rpl_len,
sizeof(osql_serial_uuid_rpl_t) ==
OSQLCOMM_SERIAL_UUID_RPL_LEN);
static uint8_t *
osqlcomm_serial_rpl_put(const osql_serial_rpl_t *p_osql_serial_rpl,
uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_SERIAL_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_put(&(p_osql_serial_rpl->hd), p_buf, p_buf_end);
p_buf =
osqlcomm_serial_type_put(&(p_osql_serial_rpl->dt), p_buf, p_buf_end);
return p_buf;
}
static const uint8_t *
osqlcomm_serial_rpl_get(osql_serial_rpl_t *p_osql_serial_rpl,
const uint8_t *p_buf, const uint8_t *p_buf_end)
{
if (p_buf_end < p_buf || OSQLCOMM_SERIAL_RPL_LEN > (p_buf_end - p_buf))
return NULL;
p_buf = osqlcomm_rpl_type_get(&(p_osql_serial_rpl->hd), p_buf, p_buf_end);
p_buf =
osqlcomm_serial_type_get(&(p_osql_serial_rpl->dt), p_buf, p_buf_end);
return p_buf;