/*
*******************************************************************
TOOLKIT.H - Prototypes for EPANET Functions Exported to DLL Toolkit
VERSION: 2.00
DATE: 5/8/00
10/25/00
3/1/01
8/15/07 (2.00.11)
2/14/08 (2.00.12)
AUTHOR: L. Rossman
US EPA - NRMRL
*******************************************************************
*/
//comment by ccr 2013.09:该头文件的主要作用是定义了epanet2.dll中可以使用的函数的原型定义，类似于接口声明。
// --- Define DLLEXPORT
//comment by ccr 2013.09:定义了DLLEXPORT宏的原因是EPANET的代码是C语言写成的，为了能在C++代码中得以重用，需要extern "C"标记用C写成的函数,具体可以参考博文：http://www.cnblogs.com/KingOfFreedom/articles/3309469.html
#ifdef DLL
#ifdef __cplusplus
#define DLLEXPORT extern "C" __declspec(dllexport) __stdcall
#else
#define DLLEXPORT __declspec(dllexport) __stdcall
#endif
#else
#ifdef __cplusplus
#define DLLEXPORT extern "C"
#else
#define DLLEXPORT
#endif
#endif
// --- Define the EPANET toolkit constants
#define EN_ELEVATION 0 /* Node parameters */ //节点相关的参数
#define EN_BASEDEMAND 1
#define EN_PATTERN 2
#define EN_EMITTER 3
#define EN_INITQUAL 4
#define EN_SOURCEQUAL 5
#define EN_SOURCEPAT 6
#define EN_SOURCETYPE 7
#define EN_TANKLEVEL 8
#define EN_DEMAND 9
#define EN_HEAD 10
#define EN_PRESSURE 11
#define EN_QUALITY 12
#define EN_SOURCEMASS 13
#define EN_INITVOLUME 14
#define EN_MIXMODEL 15
#define EN_MIXZONEVOL 16
#define EN_TANKDIAM 17
#define EN_MINVOLUME 18
#define EN_VOLCURVE 19
#define EN_MINLEVEL 20
#define EN_MAXLEVEL 21
#define EN_MIXFRACTION 22
#define EN_TANK_KBULK 23
#define EN_DIAMETER 0 /* Link parameters */ //管段相关的参数
#define EN_LENGTH 1
#define EN_ROUGHNESS 2
#define EN_MINORLOSS 3
#define EN_INITSTATUS 4
#define EN_INITSETTING 5
#define EN_KBULK 6
#define EN_KWALL 7
#define EN_FLOW 8
#define EN_VELOCITY 9
#define EN_HEADLOSS 10
#define EN_STATUS 11
#define EN_SETTING 12
#define EN_ENERGY 13
#define EN_DURATION 0 /* Time parameters */ //运行时间相关的参数
#define EN_HYDSTEP 1
#define EN_QUALSTEP 2
#define EN_PATTERNSTEP 3
#define EN_PATTERNSTART 4
#define EN_REPORTSTEP 5
#define EN_REPORTSTART 6
#define EN_RULESTEP 7
#define EN_STATISTIC 8
#define EN_PERIODS 9
#define EN_NODECOUNT 0 /* Component counts */ //拓扑组件中的各类对象的个数
#define EN_TANKCOUNT 1
#define EN_LINKCOUNT 2
#define EN_PATCOUNT 3
#define EN_CURVECOUNT 4
#define EN_CONTROLCOUNT 5
#define EN_JUNCTION 0 /* Node types */ //节点的种类
#define EN_RESERVOIR 1
#define EN_TANK 2
#define EN_CVPIPE 0 /* Link types. */ //管段的种类,大部分是各类阀门，注意模型中阀门因为其具有阻力较大而被抽象成管段
#define EN_PIPE 1 /* See LinkType in TYPES.H */
#define EN_PUMP 2
#define EN_PRV 3
#define EN_PSV 4
#define EN_PBV 5
#define EN_FCV 6
#define EN_TCV 7
#define EN_GPV 8
#define EN_NONE 0 /* Quality analysis types. */ //水质分析类型
#define EN_CHEM 1 /* See QualType in TYPES.H */
#define EN_AGE 2
#define EN_TRACE 3
#define EN_CONCEN 0 /* Source quality types. */
#define EN_MASS 1 /* See SourceType in TYPES.H. */
#define EN_SETPOINT 2
#define EN_FLOWPACED 3
#define EN_CFS 0 /* Flow units types. */ //流量的单位
#define EN_GPM 1 /* See FlowUnitsType */
#define EN_MGD 2 /* in TYPES.H. */
#define EN_IMGD 3
#define EN_AFD 4
#define EN_LPS 5
#define EN_LPM 6
#define EN_MLD 7
#define EN_CMH 8
#define EN_CMD 9
#define EN_TRIALS 0 /* Misc. options */ //选项部分
#define EN_ACCURACY 1
#define EN_TOLERANCE 2
#define EN_EMITEXPON 3
#define EN_DEMANDMULT 4
#define EN_LOWLEVEL 0 /* Control types. */ //控制类型
#define EN_HILEVEL 1 /* See ControlType */
#define EN_TIMER 2 /* in TYPES.H. */
#define EN_TIMEOFDAY 3
#define EN_AVERAGE 1 /* Time statistic types. */ //时间统计类型
#define EN_MINIMUM 2 /* See TstatType in TYPES.H */
#define EN_MAXIMUM 3
#define EN_RANGE 4
#define EN_MIX1 0 /* Tank mixing models */
#define EN_MIX2 1
#define EN_FIFO 2
#define EN_LIFO 3
#define EN_NOSAVE 0 /* Save-results-to-file flag */
#define EN_SAVE 1
#define EN_INITFLOW 10 /* Re-initialize flows flag */
// --- Declare the EPANET toolkit functions
//comment by ccr 2013.09:本部分的函数的具体说明可以参考EPANET提供的“toolkit.chm”,里面有详细的使用说明以及例子.
int DLLEXPORT ENepanet(char *, char *, char *, void (*) (char *)); //该函数用于运行一个完整的模拟计算
int DLLEXPORT ENopen(char *, char *, char *);
int DLLEXPORT ENsaveinpfile(char *); //将模型中的数据保存成标准的INPUT文件格式
int DLLEXPORT ENclose(void);
//水力解算相关的函数
int DLLEXPORT ENsolveH(void);
int DLLEXPORT ENsaveH(void);
int DLLEXPORT ENopenH(void);
int DLLEXPORT ENinitH(int);
int DLLEXPORT ENrunH(long *);
int DLLEXPORT ENnextH(long *);
int DLLEXPORT ENcloseH(void);
int DLLEXPORT ENsavehydfile(char *);
int DLLEXPORT ENusehydfile(char *);
//水质解算相关的函数
int DLLEXPORT ENsolveQ(void);
int DLLEXPORT ENopenQ(void);
int DLLEXPORT ENinitQ(int);
int DLLEXPORT ENrunQ(long *);
int DLLEXPORT ENnextQ(long *);
int DLLEXPORT ENstepQ(long *);
int DLLEXPORT ENcloseQ(void);
//计算结果的报告格式输出
int DLLEXPORT ENwriteline(char *);
int DLLEXPORT ENreport(void);
int DLLEXPORT ENresetreport(void);
int DLLEXPORT ENsetreport(char *);
//获取管网中的控制、模型等信息
int DLLEXPORT ENgetcontrol(int, int *, int *, float *,
int *, float *);
int DLLEXPORT ENgetcount(int, int *);
int DLLEXPORT ENgetoption(int, float *);
int DLLEXPORT ENgettimeparam(int, long *);
int DLLEXPORT ENgetflowunits(int *);
int DLLEXPORT ENgetpatternindex(char *, int *);
int DLLEXPORT ENgetpatternid(int, char *);
int DLLEXPORT ENgetpatternlen(int, int *);
int DLLEXPORT ENgetpatternvalue(int, int, float *);
int DLLEXPORT ENgetqualtype(int *, int *);
int DLLEXPORT ENgeterror(int, char *, int);
//获取管网中的节点的信息
int DLLEXPORT ENgetnodeindex(char *, int *);
int DLLEXPORT ENgetnodeid(int, char *);
int DLLEXPORT ENgetnodetype(int, int *);
int DLLEXPORT ENgetnodevalue(int, int, float *);
//获取管网中的管段等信息
int DLLEXPORT ENgetlinkindex(char *, int *);
int DLLEXPORT ENgetlinkid(int, char *);
int DLLEXPORT ENgetlinktype(int, int *);
int DLLEXPORT ENgetlinknodes(int, int *, int *);
int DLLEXPORT ENgetlinkvalue(int, int, float *);
int DLLEXPORT ENgetversion(int *);
//设置模型解算参数
int DLLEXPORT ENsetcontrol(int, int, int, float, int, float);
int DLLEXPORT ENsetnodevalue(int, int, float);
int DLLEXPORT ENsetlinkvalue(int, int, float);
int DLLEXPORT ENaddpattern(char *);
int DLLEXPORT ENsetpattern(int, float *, int);
int DLLEXPORT ENsetpatternvalue(int, int, float);
int DLLEXPORT ENsettimeparam(int, long);
int DLLEXPORT ENsetoption(int, float);
int DLLEXPORT ENsetstatusreport(int);
int DLLEXPORT ENsetqualtype(int, char *, char *, char *);