/*
* DESCRIPTION
* send slave dump cmd
* format : slave.info\n,filter.tables,\0ringbuf_sleep_usec(binary)
* eaxmplae : /data/mysql-bin.00001,0\n,test.test,\01000(binary)
*
*
*/
static int rs_send_dumpcmd(rs_slave_info_t *si)
{
int32_t l;
ssize_t n;
l = rs_strlen(si->dump_info) + 2 + rs_strlen(si->filter_tables) + 2 + 4;
char buf[4 + l], *p;
p = buf;
p = rs_cpymem(buf, &l, 4);
if(snprintf(p, l + 1, "%s\n,%s,%c", si->dump_info, si->filter_tables, 0)
< 0)
{
rs_log_error(RS_LOG_ERR, rs_errno, "snprintf() failed");
return RS_ERR;
}
rs_memcpy(p + l - 4, &(si->rb_esusec), 4);
n = rs_write(si->svr_fd, buf, 4 + l);
if(n != 4 + l) {
return RS_ERR;
}
return RS_OK;
}
int
rs_write_char(FILE *savef, char c)
{
if (write_error)
return(WRITESTAT);
rs_write(savef, &c, 1);
return(WRITESTAT);
}
int
rs_write_chars(FILE *savef, char *c, int count)
{
if (write_error)
return(WRITESTAT);
rs_write_int(savef, count);
rs_write(savef, c, count);
return(WRITESTAT);
}
int
rs_write_boolean(FILE *savef, int c)
{
unsigned char buf = (c == 0) ? 0 : 1;
if (write_error)
return(WRITESTAT);
rs_write(savef, &buf, 1);
return(WRITESTAT);
}
int
rs_write_ushort(FILE *savef, unsigned short c)
{
unsigned char bytes[2];
unsigned char *buf = (unsigned char *) &c;
if (write_error)
return(WRITESTAT);
if (big_endian)
{
bytes[1] = buf[0];
bytes[0] = buf[1];
buf = bytes;
}
rs_write(savef, buf, 2);
return(WRITESTAT);
}
int rs_create_pidfile(char *name)
{
char pid_str[INT32_LEN + 1];
int len, fd;
ssize_t n;
len = 0;
fd = -1;
if(name == NULL) {
name = rs_pid_path;
}
fd = open(name, O_CREAT | O_TRUNC | O_WRONLY, 00644);
if(fd == -1) {
rs_log_error(RS_LOG_ERR, rs_errno, "open(\"%s\") failed", name);
return RS_ERR;
}
len = snprintf(pid_str, INT32_LEN + 1, "%d\n", rs_pid);
if(len < 0) {
rs_log_error(RS_LOG_ERR, rs_errno, "snprintf() failed");
return RS_ERR;
}
n = rs_write(fd, pid_str, len);
if(n != len) {
return RS_ERR;
}
if(close(fd) != 0) {
rs_log_error(RS_LOG_ERR, rs_errno, "close() failed");
}
return RS_OK;
}
int
rs_write_int(FILE *savef, int c)
{
unsigned char bytes[4];
unsigned char *buf = (unsigned char *) &c;
if (write_error)
return(WRITESTAT);
if (big_endian)
{
bytes[3] = buf[0];
bytes[2] = buf[1];
bytes[1] = buf[2];
bytes[0] = buf[3];
buf = bytes;
}
rs_write(savef, buf, 4);
return(WRITESTAT);
}
static int rs_put_char(struct tty_struct *tty, unsigned char ch)
{
return rs_write(tty, &ch, 1);
}
static void rs_put_char(struct tty_struct *tty, char ch)
{
rs_write(tty, 1, &ch, 1);
}
