homework-jianmu/src/plugins/http/inc/httpJson.h

105 lines
3.9 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TDENGINE_HTTP_JSON_H
#define TDENGINE_HTTP_JSON_H
#include <stdint.h>
#include <stdbool.h>
#define JSON_BUFFER_SIZE 10240
struct HttpContext;
enum { JsonNumber, JsonString, JsonBoolean, JsonArray, JsonObject, JsonNull };
extern char JsonItmTkn;
extern char JsonObjStt;
extern char JsonObjEnd;
extern char JsonArrStt;
extern char JsonArrEnd;
extern char JsonStrStt;
extern char JsonStrEnd;
extern char JsonPairTkn;
extern char JsonNulTkn[];
extern char JsonTrueTkn[];
extern char JsonFalseTkn[];
typedef struct {
int32_t size;
int32_t total;
char* lst;
char buf[JSON_BUFFER_SIZE];
struct HttpContext* pContext;
} JsonBuf;
// http response
int32_t httpWriteBuf(struct HttpContext* pContext, const char* buf, int32_t sz);
int32_t httpWriteBufNoTrace(struct HttpContext* pContext, const char* buf, int32_t sz);
int32_t httpWriteBufByFd(struct HttpContext* pContext, const char* buf, int32_t sz);
// builder callback
typedef void (*httpJsonBuilder)(JsonBuf* buf, void* jsnHandle);
// buffer
void httpInitJsonBuf(JsonBuf* buf, struct HttpContext* pContext);
void httpWriteJsonBufHead(JsonBuf* buf);
int32_t httpWriteJsonBufBody(JsonBuf* buf, bool isTheLast);
void httpWriteJsonBufEnd(JsonBuf* buf);
// value
void httpJsonString(JsonBuf* buf, char* sVal, int32_t len);
void httpJsonOriginString(JsonBuf* buf, char* sVal, int32_t len);
void httpJsonStringForTransMean(JsonBuf* buf, char* SVal, int32_t maxLen);
void httpJsonInt64(JsonBuf* buf, int64_t num);
void httpJsonTimestamp(JsonBuf* buf, int64_t t, bool us);
void httpJsonUtcTimestamp(JsonBuf* buf, int64_t t, bool us);
void httpJsonInt(JsonBuf* buf, int32_t num);
void httpJsonFloat(JsonBuf* buf, float num);
void httpJsonDouble(JsonBuf* buf, double num);
void httpJsonNull(JsonBuf* buf);
void httpJsonBool(JsonBuf* buf, int32_t val);
// pair
void httpJsonPair(JsonBuf* buf, char* name, int32_t nameLen, char* sVal, int32_t valLen);
void httpJsonPairOriginString(JsonBuf* buf, char* name, int32_t nameLen, char* sVal, int32_t valLen);
void httpJsonPairHead(JsonBuf* buf, char* name, int32_t len);
void httpJsonPairIntVal(JsonBuf* buf, char* name, int32_t nNameLen, int32_t num);
void httpJsonPairInt64Val(JsonBuf* buf, char* name, int32_t nNameLen, int64_t num);
void httpJsonPairBoolVal(JsonBuf* buf, char* name, int32_t nNameLen, int32_t num);
void httpJsonPairFloatVal(JsonBuf* buf, char* name, int32_t nNameLen, float num);
void httpJsonPairDoubleVal(JsonBuf* buf, char* name, int32_t nNameLen, double num);
void httpJsonPairNullVal(JsonBuf* buf, char* name, int32_t nNameLen);
// object
void httpJsonPairArray(JsonBuf* buf, char* name, int32_t nLen, httpJsonBuilder builder, void* dsHandle);
void httpJsonPairObject(JsonBuf* buf, char* name, int32_t nLen, httpJsonBuilder builder, void* dsHandle);
void httpJsonObject(JsonBuf* buf, httpJsonBuilder fnBuilder, void* dsHandle);
void httpJsonArray(JsonBuf* buf, httpJsonBuilder fnBuidler, void* jsonHandle);
// print
void httpJsonTestBuf(JsonBuf* buf, int32_t safety);
void httpJsonToken(JsonBuf* buf, char c);
void httpJsonItemToken(JsonBuf* buf);
void httpJsonPrint(JsonBuf* buf, const char* json, int32_t len);
// quick
void httpJsonPairStatus(JsonBuf* buf, int32_t code);
// http json printer
JsonBuf* httpMallocJsonBuf(struct HttpContext* pContext);
void httpFreeJsonBuf(struct HttpContext* pContext);
#endif