/*
lightuserdata pattern
string format "ixrsmb"
integer size
*/
static int
_pattern_pack(lua_State *L) {
struct pbc_pattern * pat = lua_touserdata(L,1);
size_t format_sz = 0;
const char * format = lua_tolstring(L,2,&format_sz);
int size = lua_tointeger(L,3);
char data[size];
memset(data, 0 ,size);
char * ptr = data;
int i;
for (i=0;i<format_sz;i++) {
if (format[i] >= 'a' && format[i] <='z') {
ptr = _get_value(L, 4+i, ptr, format[i]);
} else {
if (!lua_istable(L,4+i)) {
luaL_error(L,"need table for array type");
}
int j;
int n = lua_rawlen(L,4+i);
for (j=0;j<n;j++) {
lua_rawgeti(L,4+i,j);
_get_array_value(L,(void *)ptr,format[i]);
lua_pop(L,1);
}
ptr += sizeof(pbc_array);
}
}
luaL_Buffer b;
luaL_buffinit(L, &b);
int cap = 128;
do {
char * temp = luaL_prepbuffsize(&b , cap);
struct pbc_slice slice;
slice.buffer = temp;
slice.len = cap;
int ret = pbc_pattern_pack(pat, data, &slice);
if (ret < 0) {
cap = cap * 2;
_Free(temp);
continue;
}
luaL_addsize(&b , slice.len);
} while (0);
luaL_pushresult(&b);
pbc_pattern_close_arrays(pat, data);
return 1;
}
P serialize_member( const T& t, P end, const member_if<ML, MR, RU>& memb )
{
typedef typename ML::type typeL;
if ( !( _get_value(t, ML()) == typeL() ) )
return serialize_member( t, end, ML() );
return serialize_member( t, end, MR() );
}
// bool jackctl_parameter_set_value(jackctl_parameter_t * parameter, const union jackctl_parameter_value * value_ptr);
static int _parameter_set_value(ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj* const *objv) {
if (argc != 4) return fw_error_str(interp, "usage: jack-ctl parameter-set-value parameter value");
jackctl_parameter_t * parameter;
union jackctl_parameter_value value;
if (_get_pointer(interp, objv[2], (void**)¶meter) != TCL_OK ||
_get_value(interp, parameter, objv[3], &value) != TCL_OK)
return TCL_ERROR;
return _return_bool(interp, jackctl_parameter_set_value(parameter, &value));
}
void *rtr_get_value(void *tbl[], uint16_t a)
{
uint16_t ndx;
void **l0_tbl;
l0_tbl = _get_value(tbl, LEVELS - 1, a, &ndx);
if (l0_tbl)
return l0_tbl[ndx];
return NULL;
}
void *rtr_get_next_value(void *tbl, uint16_t last_value)
{
uint16_t ndx;
/* find the last_value table */
void **last_tbl = _get_value(tbl, LEVELS - 1, last_value, &ndx);
if (last_tbl) {
return _rtr_get_next_value(last_tbl, 0, ndx);
}
return NULL;
}
BWString BWDB::get_query_value(const BWString &sQuery, const std::vector<BWString> &vParams)
{
_clear_value();
const char *q = sQuery.c_str();
if (sqlite3_prepare_v2(_dbh, q, -1, &stmt, NULL) != SQLITE_OK)
{
_finalize();
_get_value();
}
for (unsigned int i = 0; i < vParams.size(); ++i)
{
sqlite3_bind_text(stmt, i + 1, vParams[i].c_str(), -1, SQLITE_TRANSIENT);
}
if (sqlite3_step(stmt) == SQLITE_ROW)
{
char *rc = (char *) sqlite3_column_text(stmt, 0);
if (rc) _set_value(rc);
}
_finalize();
return _get_value();
}
/* ----------------------------------------------------------------
* 功 能：将字符串解包为TLV格式数据
* 输入参数：szBuf 输入字符串
* iBufLen 输入字符串长度
* 输出参数：pTLV TLV格式数据
* 返 回 值：0 成功； -1 失败
* 作 者：fengwei
* 日 期：2012-9-24
* 调用说明：UnpackTLV(pTLV, szBuf, iLen)
* 修改日志：修改日期 修改者 修改内容简述
* ----------------------------------------------------------------
*/
int UnpackTLV(T_TLVStru *pTLV, char* szBuf, int iBufLen)
{
int i, iIndex, iLen;
char szTagBuf[MAX_TAG_LEN+1];
T_TLVData *pData;
iIndex = 0;
i = 0;
while (iIndex < iBufLen)
{
pData = pTLV->tTLVData + i;
iLen = _get_tag(szBuf+iIndex, pTLV->iTagType, pData->szTag);
if (iLen == 0)
{
WriteLog(ERROR, "unpack tlv Tag error");
return FAIL;
}
iIndex += iLen;
iLen = _get_len(szBuf+iIndex, pTLV->iLenType, &(pData->iLen));
if (iLen == 0)
{
WriteLog(ERROR, "unpack tlv len error");
return FAIL;
}
iIndex += iLen;
iLen = _get_value(szBuf+iIndex, pData->iLen, pTLV->iValueType,
pData->szValue);
if (iLen < 0)
{
WriteLog(ERROR, "unpack tlv value error");
return FAIL;
}
iIndex += iLen;
pData->iFlag = DATA_NOTNULL;
i++;
}
return SUCC;
}
extern int conf_load_file(std::FILE *fd, t_conf_entry *conftab)
{
char *buff, *directive, *value, *cp;
unsigned cflag, lineno;
if (!fd) {
eventlog(eventlog_level_error, __FUNCTION__, "got NULL file");
return -1;
}
if (!conftab) {
eventlog(eventlog_level_error, __FUNCTION__, "got NULL conftab");
return -1;
}
/* restore defaults */
_conf_reset_defaults(conftab);
for (lineno = 1; (buff = file_get_line(fd)); lineno++) {
cflag = 1;
for (cp = buff; *cp; cp++) {
switch (*cp) {
case '\\':
if (!*(++cp)) cflag = 0;
break;
case '"':
switch (cflag) {
case 1: cflag = 2; break;
case 2: cflag = 1; break;
}
break;
case '#':
if (cflag == 1) cflag = 0;
break;
}
if (!cflag) break;
}
if (*cp == '#') *cp = '\0';
cp = str_skip_space(buff);
if (!*cp) continue;
directive = cp;
cp = str_skip_word(cp + 1);
if (*cp) *(cp++) = '\0';
cp = str_skip_space(cp);
if (*cp != '=') {
eventlog(eventlog_level_error, __FUNCTION__, "missing = on line %u", lineno);
continue;
}
cp = str_skip_space(cp + 1);
if (!*cp) {
eventlog(eventlog_level_error, __FUNCTION__, "missing value at line %u", lineno);
continue;
}
value = _get_value(cp, lineno);
if (!value) continue;
_process_option(directive, value, conftab);
}
return 0;
}
/*
lightuserdata pattern
string format "ixrsmbp"
integer size
*/
static int
_pattern_pack(lua_State *L) {
struct pbc_pattern * pat = (struct pbc_pattern *)checkuserdata(L,1);
if (pat == NULL) {
return luaL_error(L, "pack pattern is NULL");
}
size_t format_sz = 0;
const char * format = lua_tolstring(L,2,&format_sz);
int size = lua_tointeger(L,3);
char * data = (char *)alloca(size);
// A trick , we don't need default value. zero buffer for array and message field.
// pbc_pattern_set_default(pat, data);
memset(data, 0 , size);
char * ptr = data;
int i;
for (i=0;i<format_sz;i++) {
if (format[i] >= 'a' && format[i] <='z') {
ptr = _get_value(L, 4+i, ptr, format[i]);
} else {
if (!lua_istable(L,4+i)) {
luaL_error(L,"need table for array type");
}
int j;
int n = lua_rawlen(L,4+i);
for (j=0;j<n;j++) {
lua_rawgeti(L,4+i,j+1);
_get_array_value(L,(struct _pbc_array *)ptr,format[i]);
lua_pop(L,1);
}
ptr += sizeof(pbc_array);
}
}
luaL_Buffer b;
luaL_buffinit(L, &b);
int cap = 128;
for (;;) {
char * temp = (char *)luaL_prepbuffsize(&b , cap);
struct pbc_slice slice;
slice.buffer = temp;
slice.len = cap;
int ret = pbc_pattern_pack(pat, data, &slice);
if (ret < 0) {
cap = cap * 2;
continue;
}
luaL_addsize(&b , slice.len);
break;
}
luaL_pushresult(&b);
pbc_pattern_close_arrays(pat, data);
return 1;
}
const char * BWKV::value ( const char * key ) {
get_query_value("SELECT value FROM kv WHERE key = ?", std::vector<BWString>({BWString(key)}));
if(have_error()) return nullptr;
else return _get_value();
}
