city_chips/pkg/helper/hikvision/HttpUtil.h

#ifndef HIK_HTTPUTIL_H
#define HIK_HTTPUTIL_H

#if (defined(WIN32) || defined(WIN64))
	#ifdef HTTPUTIL_EXPORTS
		#define HTTPUTIL_API extern "C" _declspec(dllexport)
	#else
		#define HTTPUTIL_API extern "C" _declspec(dllimport)
	#endif
#else  // LINUX
	#define HTTPUTIL_API extern "C"
#endif

namespace httpUtil
{
	// ״̬Â붨Òå: 
	// 0 ±íʾ³É¹¦
	// 10000~20000 ±íʾ¾ßÌåµÄ´íÎóÂë. 
	// СÓÚ10000´óÓÚ0 ±íʾHTTP״̬Â루Èç404£©£¬HTTP״̬ÂëÇë×ÔÐвéÔÄHTTP״̬Â붨Òå
	const int  HTTPUTIL_ERR_SUCCESS = 0;                                   // ³É¹¦
	const int  HTTPUTIL_ERR_BASE = 10000;                                  // ´íÎóÂë»ù×¼
	const int  HTTPUTIL_ERR_PARAM = (HTTPUTIL_ERR_BASE + 1);               // ²ÎÊý´íÎó£¬Èç´«Èë¿ÕÖ¸Õë¡¢³¬Ê±Ê±¼ä²»¶Ô
	const int  HTTPUTIL_ERR_ALLOC_SESSION = (HTTPUTIL_ERR_BASE + 2);       // HTTPÇëÇó·ÖÅäsessionʧ°Ü
	const int  HTTPUTIL_ERR_SET_HEADER_FIELD = (HTTPUTIL_ERR_BASE + 3);    // Í·ÓòÉèÖÃʧ°Ü
	const int  HTTPUTIL_ERR_SEND_REQUEST = (HTTPUTIL_ERR_BASE + 4);        // HTTPÇëÇóʧ°Ü
	const int  HTTPUTIL_ERR_ALLOC_MEM = (HTTPUTIL_ERR_BASE + 5);           // ·ÖÅäÄÚ´æ´íÎó
	const int  HTTPUTIL_ERR_GET_REDIRECT_URL = (HTTPUTIL_ERR_BASE + 6);    // »ñÈ¡Öض¨ÏòUrlʧ°Ü
	const int  HTTPUTIL_ERR_OTHER = (HTTPUTIL_ERR_BASE + 10000);           // ÆäËü´íÎó

	// HTTP POST
	// url: url
	// body: body
	// appkey: APIÍø¹ØÌṩµÄAPPKey
	// secret: APIÍø¹ØÌṩµÄAPPSecret
	// timeout: Ã뼶³¬Ê±Ê±¼ä£¨ÄÚ²¿·Ö±ðʹÓô˳¬Ê±Ê±¼äÉèÖý¨Á¢Á¬½Ó¡¢ÇëÇó·¢ËÍ¡¢µÈ´ý»Ø¸´³¬Ê±Ê±¼ä£©
	// dataLen: ÏìÓ¦Êý¾Ý³¤¶È£¬Èç¹ûÈ·¶¨·µ»ØµÄÄÚÈÝÊÇ×Ö·û´®£¬¿ÉÒÔÖ¸¶¨NULL
	// return: HTTPÇëÇóÏìÓ¦£¬Èç¹ûÊǶþ½øÖÆ£¬Çë½áºÏdataLen»ñÈ¡Êý¾Ý¡£Ê§°Ü·µ»ØNULL£¬¿ÉʹÓÃHTTPUTIL_GetLastStatus»ñȡ״̬Âë¡£³É¹¦ÐèʹÓÃHTTPUTIL_FreeÊÍ·ÅÄÚ´æ
	HTTPUTIL_API char* HTTPUTIL_Post(const char* url, const char* body, const char* appkey, const char* secret, int timeout, int* dataLen);

	// HTTP GET
	// url: url
	// appkey: APIÍø¹ØÌṩµÄAPPKey
	// secret: APIÍø¹ØÌṩµÄAPPSecret
	// timeout: Ã뼶³¬Ê±Ê±¼ä£¨ÄÚ²¿·Ö±ðʹÓô˳¬Ê±Ê±¼äÉèÖý¨Á¢Á¬½Ó¡¢ÇëÇó·¢ËÍ¡¢µÈ´ý»Ø¸´³¬Ê±Ê±¼ä£©
	// dataLen: ÏìÓ¦Êý¾Ý³¤¶È£¬Èç¹ûÈ·¶¨·µ»ØµÄÄÚÈÝÊÇ×Ö·û´®£¬¿ÉÒÔÖ¸¶¨NULL
	// return: HTTPÇëÇóÏìÓ¦£¬Èç¹ûÊǶþ½øÖÆ£¬Çë½áºÏdataLen»ñÈ¡Êý¾Ý¡£Ê§°Ü·µ»ØNULL£¬¿ÉʹÓÃHTTPUTIL_GetLastStatus»ñȡ״̬Âë¡£³É¹¦ÐèʹÓÃHTTPUTIL_FreeÊÍ·ÅÄÚ´æ
	HTTPUTIL_API char* HTTPUTIL_Get(const char* url, const char* appkey, const char* secret, int timeout, int* dataLen);

	// ÊÍ·ÅÄÚ´æ
	// buffer: pHTTPUTIL_GetºÍHTTPUTIL_Post·µ»ØµÄ·Ç¿ÕÖ¸Õë
	HTTPUTIL_API void HTTPUTIL_Free(char* buffer);

	// »ñȡ״̬Â룬±ØÐëÔÚµ÷HTTPUTIL_Post»òHTTPUTIL_GetËùÔÚÏß³ÌÖе÷´Ë½Ó¿Ú
	// return: ״̬Âë, Ïê¼ûHTTPUTIL_ERR_*»ò×ÔÐвéÔÄHTTP״̬Âë
	HTTPUTIL_API int HTTPUTIL_GetLastStatus();

	// HTTP POST
	// url: url
	// body: body
	// appkey: APIÍø¹ØÌṩµÄAPPKey
	// secret: APIÍø¹ØÌṩµÄAPPSecret
	// timeout: Ã뼶³¬Ê±Ê±¼ä£¨ÄÚ²¿·Ö±ðʹÓô˳¬Ê±Ê±¼äÉèÖý¨Á¢Á¬½Ó¡¢ÇëÇó·¢ËÍ¡¢µÈ´ý»Ø¸´³¬Ê±Ê±¼ä£©
	// dataLen: ÏìÓ¦Êý¾Ý³¤¶È£¬Èç¹ûÈ·¶¨·µ»ØµÄÄÚÈÝÊÇ×Ö·û´®£¬¿ÉÒÔÖ¸¶¨NULL
	// language: ÓïÑÔ»·¾³£¬¿ÉÑ¡zh_CN£¨ÖÐÎÄ£©en_US£¨Ó¢ÎÄ£©
	// return: HTTPÇëÇóÏìÓ¦£¬Èç¹ûÊǶþ½øÖÆ£¬Çë½áºÏdataLen»ñÈ¡Êý¾Ý¡£Ê§°Ü·µ»ØNULL£¬¿ÉʹÓÃHTTPUTIL_GetLastStatus»ñȡ״̬Âë¡£³É¹¦ÐèʹÓÃHTTPUTIL_FreeÊÍ·ÅÄÚ´æ
	HTTPUTIL_API char* HTTPUTIL_PostWithLanguage(const char* url, const char* body, const char* appkey, const char* secret, int timeout, int* dataLen, const char* language = "zh_CN");


	// HTTP GET
	// url: url
	// appkey: APIÍø¹ØÌṩµÄAPPKey
	// secret: APIÍø¹ØÌṩµÄAPPSecret
	// timeout: Ã뼶³¬Ê±Ê±¼ä£¨ÄÚ²¿·Ö±ðʹÓô˳¬Ê±Ê±¼äÉèÖý¨Á¢Á¬½Ó¡¢ÇëÇó·¢ËÍ¡¢µÈ´ý»Ø¸´³¬Ê±Ê±¼ä£©
	// dataLen: ÏìÓ¦Êý¾Ý³¤¶È£¬Èç¹ûÈ·¶¨·µ»ØµÄÄÚÈÝÊÇ×Ö·û´®£¬¿ÉÒÔÖ¸¶¨NULL
	// language: ÓïÑÔ»·¾³£¬¿ÉÑ¡zh_CN£¨ÖÐÎÄ£©en_US£¨Ó¢ÎÄ£©
	// return: HTTPÇëÇóÏìÓ¦£¬Èç¹ûÊǶþ½øÖÆ£¬Çë½áºÏdataLen»ñÈ¡Êý¾Ý¡£Ê§°Ü·µ»ØNULL£¬¿ÉʹÓÃHTTPUTIL_GetLastStatus»ñȡ״̬Âë¡£³É¹¦ÐèʹÓÃHTTPUTIL_FreeÊÍ·ÅÄÚ´æ
	HTTPUTIL_API char* HTTPUTIL_GetWithLanguage(const char* url, const char* appkey, const char* secret, int timeout, int* dataLen, const char* language = "zh_CN");
}
#endif