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tnt_object.c
476 lines (440 loc) · 11.9 KB
/
tnt_object.c
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#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <msgpuck.h>
#include <tarantool/tnt_reply.h>
#include <tarantool/tnt_stream.h>
#include <tarantool/tnt_buf.h>
#include <tarantool/tnt_object.h>
#include <tarantool/tnt_mem.h>
static void
tnt_sbuf_object_free(struct tnt_stream *s)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack) tnt_mem_free(sbo->stack);
sbo->stack = NULL;
tnt_mem_free(sbo);
}
int
tnt_object_type(struct tnt_stream *s, enum tnt_sbo_type type)
{
if (s->wrcnt > 0) return -1;
TNT_SOBJ_CAST(s)->type = type;
return 0;
};
static int
tnt_sbuf_object_grow_stack(struct tnt_sbuf_object *sbo)
{
if (sbo->stack_alloc == 128) return -1;
uint8_t new_stack_alloc = 2 * sbo->stack_alloc;
struct tnt_sbo_stack *stack = tnt_mem_alloc(new_stack_alloc * sizeof(
struct tnt_sbo_stack));
if (!stack) return -1;
sbo->stack_alloc = new_stack_alloc;
sbo->stack = stack;
return 0;
}
static char *
tnt_sbuf_object_resize(struct tnt_stream *s, size_t size) {
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
if (sb->size + size > sb->alloc) {
size_t newsize = 2 * (sb->alloc);
if (newsize < sb->size + size)
newsize = sb->size + size;
char *nd = tnt_mem_realloc(sb->data, newsize);
if (nd == NULL) {
tnt_mem_free(sb->data);
return NULL;
}
sb->data = nd;
sb->alloc = newsize;
}
return sb->data + sb->size;
}
struct tnt_stream *
tnt_object(struct tnt_stream *s)
{
if ((s = tnt_buf(s)) == NULL)
goto error;
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
sb->resize = tnt_sbuf_object_resize;
sb->free = tnt_sbuf_object_free;
struct tnt_sbuf_object *sbo = tnt_mem_alloc(sizeof(struct tnt_sbuf_object));
if (sbo == NULL)
goto error;
sb->subdata = sbo;
sbo->stack_size = 0;
sbo->stack_alloc = 8;
sbo->stack = tnt_mem_alloc(sbo->stack_alloc *
sizeof(struct tnt_sbo_stack));
if (sbo->stack == NULL)
goto error;
tnt_object_type(s, TNT_SBO_SIMPLE);
return s;
error:
tnt_stream_free(s);
return NULL;
}
ssize_t
tnt_object_add_nil (struct tnt_stream *s)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[2]; char *end = mp_encode_nil(data);
return s->write(s, data, end - data);
}
ssize_t
tnt_object_add_uint(struct tnt_stream *s, uint64_t value)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[10], *end;
end = mp_encode_uint(data, value);
return s->write(s, data, end - data);
}
ssize_t
tnt_object_add_int (struct tnt_stream *s, int64_t value)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[10], *end;
if (value < 0)
end = mp_encode_int(data, value);
else
end = mp_encode_uint(data, value);
return s->write(s, data, end - data);
}
ssize_t
tnt_object_add_str (struct tnt_stream *s, const char *str, uint32_t len)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
struct iovec v[2]; int v_sz = 2;
char data[6], *end;
end = mp_encode_strl(data, len);
v[0].iov_base = data;
v[0].iov_len = end - data;
v[1].iov_base = (void *)str;
v[1].iov_len = len;
return s->writev(s, v, v_sz);
}
ssize_t
tnt_object_add_strz (struct tnt_stream *s, const char *strz)
{
uint32_t len = strlen(strz);
return tnt_object_add_str(s, strz, len);
}
ssize_t
tnt_object_add_bin (struct tnt_stream *s, const void *bin, uint32_t len)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
struct iovec v[2]; int v_sz = 2;
char data[6], *end;
end = mp_encode_binl(data, len);
v[0].iov_base = data;
v[0].iov_len = end - data;
v[1].iov_base = (void *)bin;
v[1].iov_len = len;
return s->writev(s, v, v_sz);
}
ssize_t
tnt_object_add_bool (struct tnt_stream *s, char value)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[2], *end;
end = mp_encode_bool(data, value != 0);
return s->write(s, data, end - data);
}
ssize_t
tnt_object_add_float (struct tnt_stream *s, float value)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[6], *end;
end = mp_encode_float(data, value);
return s->write(s, data, end - data);
}
ssize_t
tnt_object_add_double (struct tnt_stream *s, double value)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[10], *end;
end = mp_encode_double(data, value);
return s->write(s, data, end - data);
}
static char *
mp_encode_array32(char *data, uint32_t size)
{
data = mp_store_u8(data, 0xdd);
return mp_store_u32(data, size);
}
ssize_t
tnt_object_add_array (struct tnt_stream *s, uint32_t size)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[6], *end;
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
if (sbo->stack_size == sbo->stack_alloc)
if (tnt_sbuf_object_grow_stack(sbo) == -1)
return -1;
sbo->stack[sbo->stack_size].size = 0;
sbo->stack[sbo->stack_size].offset = sb->size;
sbo->stack[sbo->stack_size].type = MP_ARRAY;
sbo->stack_size += 1;
if (TNT_SOBJ_CAST(s)->type == TNT_SBO_SIMPLE) {
end = mp_encode_array(data, size);
} else if (TNT_SOBJ_CAST(s)->type == TNT_SBO_SPARSE) {
end = mp_encode_array32(data, 0);
} else if (TNT_SOBJ_CAST(s)->type == TNT_SBO_PACKED) {
end = mp_encode_array(data, 0);
} else {
return -1;
}
ssize_t rv = s->write(s, data, end - data);
return rv;
}
static char *
mp_encode_map32(char *data, uint32_t size)
{
data = mp_store_u8(data, 0xdf);
return mp_store_u32(data, size);
}
ssize_t
tnt_object_add_map (struct tnt_stream *s, uint32_t size)
{
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size > 0)
sbo->stack[sbo->stack_size - 1].size += 1;
char data[6], *end;
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
if (sbo->stack_size == sbo->stack_alloc)
if (tnt_sbuf_object_grow_stack(sbo) == -1)
return -1;
sbo->stack[sbo->stack_size].size = 0;
sbo->stack[sbo->stack_size].offset = sb->size;
sbo->stack[sbo->stack_size].type = MP_MAP;
sbo->stack_size += 1;
if (TNT_SOBJ_CAST(s)->type == TNT_SBO_SIMPLE) {
end = mp_encode_map(data, size);
} else if (TNT_SOBJ_CAST(s)->type == TNT_SBO_SPARSE) {
end = mp_encode_map32(data, 0);
} else if (TNT_SOBJ_CAST(s)->type == TNT_SBO_PACKED) {
end = mp_encode_map(data, 0);
} else {
return -1;
}
ssize_t rv = s->write(s, data, end - data);
return rv;
}
ssize_t
tnt_object_container_close (struct tnt_stream *s)
{
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
if (sbo->stack_size == 0) return -1;
size_t size = sbo->stack[sbo->stack_size - 1].size;
enum mp_type type = sbo->stack[sbo->stack_size - 1].type;
size_t offset = sbo->stack[sbo->stack_size - 1].offset;
if (type == MP_MAP && size % 2) return -1;
sbo->stack_size -= 1;
char *lenp = sb->data + offset;
if (sbo->type == TNT_SBO_SIMPLE) {
return 0;
} else if (sbo->type == TNT_SBO_SPARSE) {
if (type == MP_MAP)
mp_encode_map32(lenp, size/2);
else
mp_encode_array32(lenp, size);
return 0;
} else if (sbo->type == TNT_SBO_PACKED) {
size_t sz = 0;
if (type == MP_MAP)
sz = mp_sizeof_map(size/2);
else
sz = mp_sizeof_array(size);
if (sz > 1) {
if (!sb->resize(s, sz - 1))
return -1;
lenp = sb->data + offset;
memmove(lenp + sz, lenp + 1, sb->size - offset - 1);
}
if (type == MP_MAP) {
mp_encode_map(sb->data + offset, size/2);
} else {
mp_encode_array(sb->data + offset, size);
}
sb->size += (sz - 1);
return 0;
}
return -1;
}
int tnt_object_verify(struct tnt_stream *obj, int8_t type)
{
const char *pos = TNT_SBUF_DATA(obj);
const char *end = pos + TNT_SBUF_SIZE(obj);
if (type >= 0 && mp_typeof(*pos) != (uint8_t) type) return -1;
if (mp_check(&pos, end)) return -1;
if (pos < end) return -1;
return 0;
}
ssize_t tnt_object_vformat(struct tnt_stream *s, const char *fmt, va_list vl)
{
if (tnt_object_type(s, TNT_SBO_PACKED) == -1)
return -1;
ssize_t result = 0, rv = 0;
for (const char *f = fmt; *f; f++) {
if (f[0] == '[') {
if ((rv = tnt_object_add_array(s, 0)) == -1)
return -1;
result += rv;
} else if (f[0] == '{') {
if ((rv = tnt_object_add_map(s, 0)) == -1)
return -1;
result += rv;
} else if (f[0] == ']' || f[0] == '}') {
if ((rv = tnt_object_container_close(s)) == -1)
return -1;
result += rv;
} else if (f[0] == '%') {
f++;
assert(f[0]);
int64_t int_value = 0;
int int_status = 0; /* 1 - signed, 2 - unsigned */
if (f[0] == 'd' || f[0] == 'i') {
int_value = va_arg(vl, int);
int_status = 1;
} else if (f[0] == 'u') {
int_value = va_arg(vl, unsigned int);
int_status = 2;
} else if (f[0] == 's') {
const char *str = va_arg(vl, const char *);
uint32_t len = (uint32_t)strlen(str);
if ((rv = tnt_object_add_str(s, str, len)) == -1)
return -1;
result += rv;
} else if (f[0] == '.' && f[1] == '*' && f[2] == 's') {
uint32_t len = va_arg(vl, uint32_t);
const char *str = va_arg(vl, const char *);
if ((rv = tnt_object_add_str(s, str, len)) == -1)
return -1;
result += rv;
f += 2;
} else if (f[0] == 'f') {
float v = (float)va_arg(vl, double);
if ((rv = tnt_object_add_float(s, v)) == -1)
return -1;
result += rv;
} else if (f[0] == 'l' && f[1] == 'f') {
double v = va_arg(vl, double);
if ((rv = tnt_object_add_double(s, v)) == -1)
return -1;
result += rv;
f++;
} else if (f[0] == 'b') {
bool v = (bool)va_arg(vl, int);
if ((rv = tnt_object_add_bool(s, v)) == -1)
return -1;
result += rv;
} else if (f[0] == 'l'
&& (f[1] == 'd' || f[1] == 'i')) {
int_value = va_arg(vl, long);
int_status = 1;
f++;
} else if (f[0] == 'l' && f[1] == 'u') {
int_value = va_arg(vl, unsigned long);
int_status = 2;
f++;
} else if (f[0] == 'l' && f[1] == 'l'
&& (f[2] == 'd' || f[2] == 'i')) {
int_value = va_arg(vl, long long);
int_status = 1;
f += 2;
} else if (f[0] == 'l' && f[1] == 'l' && f[2] == 'u') {
int_value = va_arg(vl, unsigned long long);
int_status = 2;
f += 2;
} else if (f[0] == 'h'
&& (f[1] == 'd' || f[1] == 'i')) {
int_value = va_arg(vl, int);
int_status = 1;
f++;
} else if (f[0] == 'h' && f[1] == 'u') {
int_value = va_arg(vl, unsigned int);
int_status = 2;
f++;
} else if (f[0] == 'h' && f[1] == 'h'
&& (f[2] == 'd' || f[2] == 'i')) {
int_value = va_arg(vl, int);
int_status = 1;
f += 2;
} else if (f[0] == 'h' && f[1] == 'h' && f[2] == 'u') {
int_value = va_arg(vl, unsigned int);
int_status = 2;
f += 2;
} else if (f[0] != '%') {
/* unexpected format specifier */
assert(false);
}
if (int_status) {
if ((rv = tnt_object_add_int(s, int_value)) == -1)
return -1;
result += rv;
}
} else if (f[0] == 'N' && f[1] == 'I' && f[2] == 'L') {
if ((rv = tnt_object_add_nil(s)) == -1)
return -1;
result += rv;
f += 2;
}
}
return result;
}
ssize_t tnt_object_format(struct tnt_stream *s, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ssize_t res = tnt_object_vformat(s, fmt, args);
va_end(args);
return res;
}
struct tnt_stream *tnt_object_as(struct tnt_stream *s, char *buf,
size_t buf_len)
{
if (s == NULL) {
s = tnt_object(s);
if (s == NULL)
return NULL;
}
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
sb->data = buf;
sb->size = buf_len;
sb->alloc = buf_len;
sb->as = 1;
return s;
}
int tnt_object_reset(struct tnt_stream *s)
{
struct tnt_stream_buf *sb = TNT_SBUF_CAST(s);
struct tnt_sbuf_object *sbo = TNT_SOBJ_CAST(s);
s->reqid = 0;
s->wrcnt = 0;
sb->size = 0;
sb->rdoff = 0;
sbo->stack_size = 0;
sbo->type = TNT_SBO_SIMPLE;
return 0;
}