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提交 8ad91e1f 编写于 作者: B Benguang Zhao
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fix: remove escaping double-quotation mark for sml binary str encoding in parseSmlValue 

enh: preallocate buffer for parseSmlValue
上级 fdc6cbf4
隐藏空白更改
内联 并排
Showing with 29 addition and 34 deletion
src/client/src/tscParseLineProtocol.c
浏览文件 @ 8ad91e1f
......@@ -2058,6 +2058,7 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
const char *start, *cur;
int32_t ret = TSDB_CODE_SUCCESS;
char *value = NULL;
int32_t bufSize = TSDB_FUNC_BUF_SIZE;
int16_t len = 0;
bool kv_done = false;
......@@ -2077,6 +2078,11 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
val_rqoute
} val_state;
value = malloc(bufSize);
if (value == NULL) {
ret = TSDB_CODE_TSC_OUT_OF_MEMORY;
goto error;
}
start = cur = *idx;
tag_state = tag_common;
val_state = val_common;
......@@ -2095,7 +2101,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
back_slash = false;
cur++;
len++;
break;
}
......@@ -2104,7 +2109,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
tag_state = tag_lqoute;
}
cur += 1;
len += 1;
break;
} else if (*cur == 'L') {
line_len = strlen(*idx);
......@@ -2122,7 +2126,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
tag_state = tag_lqoute;
}
cur += 2;
len += 2;
break;
}
}
......@@ -2131,8 +2134,7 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
case '\\':
back_slash = true;
cur++;
len++;
break;
continue;
case ',':
kv_done = true;
break;
......@@ -2146,7 +2148,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
default:
cur++;
len++;
}
break;
......@@ -2160,7 +2161,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
back_slash = false;
cur++;
len++;
break;
} else if (double_quote == true) {
if (*cur != ' ' && *cur != ',' && *cur != '\0') {
......@@ -2182,13 +2182,11 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
case '\\':
back_slash = true;
cur++;
len++;
break;
continue;
case '"':
double_quote = true;
cur++;
len++;
break;
case '\0':
......@@ -2199,7 +2197,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
default:
cur++;
len++;
}
break;
......@@ -2217,9 +2214,8 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
goto error;
}
back_slash = false;
cur++;
len++;
back_slash = false;
cur++;
break;
}
......@@ -2235,7 +2231,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
}
cur += 1;
len += 1;
break;
} else if (*cur == 'L') {
line_len = strlen(*idx);
......@@ -2252,12 +2247,10 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
if (cur + 1 == *idx + 1) {
val_state = val_lqoute;
cur += 2;
len += 2;
} else {
/* MUST at the end of string */
if (cur + 2 >= *idx + line_len) {
cur += 2;
len += 2;
*is_last_kv = true;
kv_done = true;
} else {
......@@ -2271,7 +2264,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
}
cur += 2;
len += 2;
kv_done = true;
}
}
......@@ -2284,8 +2276,7 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
case '\\':
back_slash = true;
cur++;
len++;
break;
continue;
case ',':
kv_done = true;
......@@ -2300,7 +2291,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
default:
cur++;
len++;
}
break;
......@@ -2311,10 +2301,11 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
ret = TSDB_CODE_TSC_LINE_SYNTAX_ERROR;
goto error;
}
if (*cur == '"') {
start++;
}
back_slash = false;
cur++;
len++;
break;
} else if (double_quote == true) {
if (*cur != ' ' && *cur != ',' && *cur != '\0') {
......@@ -2336,13 +2327,11 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
case '\\':
back_slash = true;
cur++;
len++;
break;
continue;
case '"':
double_quote = true;
cur++;
len++;
break;
case '\0':
......@@ -2353,7 +2342,6 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
default:
cur++;
len++;
}
break;
......@@ -2362,24 +2350,30 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
}
}
if (start < cur) {
if (bufSize <= len + (cur - start)) {
bufSize *= 2;
value = realloc(value, bufSize);
}
memcpy(value + len, start, cur - start); // [start, cur)
len += cur - start;
start = cur;
}
if (kv_done == true) {
break;
}
}
if (len == 0 || ret != TSDB_CODE_SUCCESS) {
free(pKV->key);
pKV->key = NULL;
return TSDB_CODE_TSC_LINE_SYNTAX_ERROR;
ret = TSDB_CODE_TSC_LINE_SYNTAX_ERROR;
goto error;
}
value = calloc(len + 1, 1);
memcpy(value, start, len);
value[len] = '\0';
if (!convertSmlValueType(pKV, value, len, info, isTag)) {
tscError("SML:0x%"PRIx64" Failed to convert sml value string(%s) to any type",
info->id, value);
free(value);
ret = TSDB_CODE_TSC_INVALID_VALUE;
goto error;
}
......@@ -2389,7 +2383,8 @@ static int32_t parseSmlValue(TAOS_SML_KV *pKV, const char **idx,
return ret;
error:
//free previous alocated key field
//free previous alocated buffer and key field
free(value);
free(pKV->key);
pKV->key = NULL;
return ret;
......
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