/*****************************************************************
Function Name: main
Description: This is a main function
Parameter:
@argc: argument count
@argv: argument vector
Author: SA12226114(Xin Zhu), SA12226139(Dan Shu)
Date: 2012-11-27
******************************************************************/
int main(int argc, char *argv[])
{
void *db = NULL;
char cmdline[CMDLINE_LEN], cmd[CMD_LEN], key[KEY_LEN], value[VALUE_LEN];
/* display menu */
util_menu();
while(1)
{
/* format command line */
util_format(cmdline, cmd, key, value);
if(strncmp(cmd, "open", sizeof("open")) == 0) /* create database */
{
db_create(&db, key);
}
else if(strncmp(cmd, "set", sizeof("set")) == 0) /* store records */
{
db_write(db, key, value);
}
else if(strncmp(cmd, "get", sizeof("get")) == 0) /* retrieve records */
{
db_read(db, key);
}
else if(strncmp(cmd, "remove", sizeof("remove")) == 0) /* remove a record */
{
db_remove(db, key);
}
else if(strncmp(cmd, "ls", sizeof("ls")) == 0) /* dump all records in database */
{
db_queryallrecords(db);
}
else if(strncmp(cmd, "close", sizeof("close")) == 0) /* close the database */
{
db_close(&db);
}
else if(strncmp(cmd, "delete", sizeof("delete")) == 0) /* delete the object */
{
db_delete(&db);
}
else if(strncmp(cmd, "help", sizeof("help")) == 0) /* display menu info */
{
util_menu();
}
else if(strncmp(cmd, "quit", sizeof("quit")) == 0) /* quit system */
{
return;
}
}
return 0;
}
void util_out_print_vaparm(caddr_t message, int flush, va_list var, int faocnt)
{
char fmt_buff[OUT_BUFF_SIZE];
caddr_t fmtc;
int rc;
/*
* Note: this function checks for EINTR on FPRINTF. This check should not be
* converted to an EINTR wrapper macro because of the variable number of args used
* by fprintf.
*/
if (util_outptr == NULL)
util_outptr = util_outbuff;
if (message != NULL)
util_outptr = util_format(message, var, util_outptr, OUT_BUFF_SIZE - (util_outptr - util_outbuff) - 2, faocnt);
switch (flush)
{
case NOFLUSH:
break;
case RESET:
break;
case FLUSH:
*util_outptr++ = '\n';
case OPER:
case SPRINT:
/******************************************************************************************************
For all three of these actions we need to do some output buffer translation. In all cases a '%'
is translated to the escape version '%%'. For OPER and SPRINT, we also translate '\n' to a ', '
since some syslog() implementations (like Tru64) stop processing the passed message on a newline.
*******************************************************************************************************/
*util_outptr = '\0';
for (util_outptr = util_outbuff, fmtc = fmt_buff; 0 != *util_outptr; )
{
if ('%' == *util_outptr)
{
*fmtc++ = '%'; /* escape for '%' */
*fmtc++ = '%';
util_outptr++;
} else if ('\n' == *util_outptr && (OPER == flush || SPRINT == flush))
{
*fmtc++ = ',';
*fmtc++ = ' ';
util_outptr++;
} else
*fmtc++ = *util_outptr++;
}
*fmtc++ = '\0';
switch (flush)
{
case FLUSH:
do
{
rc = FPRINTF(stderr, fmt_buff);
} while (-1 == rc && EINTR == errno);
break;
case OPER:
util_out_send_oper(STR_AND_LEN(fmt_buff));
break;
case SPRINT:
memcpy(util_outbuff, fmt_buff, fmtc - fmt_buff);
break;
}
break;
default:
assert(FALSE);
}
switch (flush)
{
case NOFLUSH:
break;
case FLUSH:
case RESET:
case OPER:
case SPRINT:
/* Reset buffer information. */
util_outptr = util_outbuff;
break;
}
}
