accses.c

服务器端网络编程

/* Result Sets Interface */
#ifndef SQL_CRSR
#  define SQL_CRSR
  struct sql_cursor
  {
    unsigned int curocn;
    void *ptr1;
    void *ptr2;
    unsigned int magic;
  };
  typedef struct sql_cursor sql_cursor;
  typedef struct sql_cursor SQL_CURSOR;
#endif /* SQL_CRSR */

/* Thread Safety */
typedef void * sql_context;
typedef void * SQL_CONTEXT;

/* Object support */
struct sqltvn
{
  unsigned char *tvnvsn; 
  unsigned short tvnvsnl; 
  unsigned char *tvnnm;
  unsigned short tvnnml; 
  unsigned char *tvnsnm;
  unsigned short tvnsnml;
};
typedef struct sqltvn sqltvn;

struct sqladts
{
  unsigned int adtvsn; 
  unsigned short adtmode; 
  unsigned short adtnum;  
  sqltvn adttvn[1];       
};
typedef struct sqladts sqladts;

static struct sqladts sqladt = {
  1,1,0,
};

/* Binding to PL/SQL Records */
struct sqltdss
{
  unsigned int tdsvsn; 
  unsigned short tdsnum; 
  unsigned char *tdsval[1]; 
};
typedef struct sqltdss sqltdss;
static struct sqltdss sqltds =
{
  1,
  0,
};

/* File name & Package Name */
struct sqlcxp
{
  unsigned short fillen;
           char  filnam[10];
};
static struct sqlcxp sqlfpn =
{
    9,
    "accses.pc"
};


static unsigned int sqlctx = 34339;


static struct sqlexd {
   unsigned int   sqlvsn;
   unsigned int   arrsiz;
   unsigned int   iters;
   unsigned int   offset;
   unsigned short selerr;
   unsigned short sqlety;
   unsigned int   occurs;
            short *cud;
   unsigned char  *sqlest;
            char  *stmt;
   sqladts *sqladtp;
   sqltdss *sqltdsp;
            void  **sqphsv;
   unsigned int   *sqphsl;
            int   *sqphss;
            void  **sqpind;
            int   *sqpins;
   unsigned int   *sqparm;
   unsigned int   **sqparc;
   unsigned short  *sqpadto;
   unsigned short  *sqptdso;
   unsigned int   sqlcmax;
   unsigned int   sqlcmin;
   unsigned int   sqlcincr;
   unsigned int   sqlctimeout;
   unsigned int   sqlcnowait;
              int   sqfoff;
   unsigned int   sqcmod;
   unsigned int   sqfmod;
            void  *sqhstv[4];
   unsigned int   sqhstl[4];
            int   sqhsts[4];
            void  *sqindv[4];
            int   sqinds[4];
   unsigned int   sqharm[4];
   unsigned int   *sqharc[4];
   unsigned short  sqadto[4];
   unsigned short  sqtdso[4];
} sqlstm = {12,4};

/* SQLLIB Prototypes */
extern sqlcxt (/*_ void **, unsigned int *,
                   struct sqlexd *, struct sqlcxp * _*/);
extern sqlcx2t(/*_ void **, unsigned int *,
                   struct sqlexd *, struct sqlcxp * _*/);
extern sqlbuft(/*_ void **, char * _*/);
extern sqlgs2t(/*_ void **, char * _*/);
extern sqlorat(/*_ void **, unsigned int *, void * _*/);

/* Forms Interface */
static int IAPSUCC = 0;
static int IAPFAIL = 1403;
static int IAPFTL  = 535;
extern void sqliem(/*_ char *, int * _*/);

typedef struct { unsigned short len; unsigned char arr[1]; } VARCHAR;
typedef struct { unsigned short len; unsigned char arr[1]; } varchar;

/* CUD (Compilation Unit Data) Array */
static short sqlcud0[] =
{12,4130,852,0,0,
5,0,0,1,0,0,27,38,0,0,4,4,0,1,0,1,97,0,0,1,97,0,0,1,97,0,0,1,10,0,0,
36,0,0,2,88,0,6,48,0,0,4,4,0,1,0,1,97,0,0,1,68,0,0,2,68,0,0,2,3,0,0,
67,0,0,3,89,0,6,57,0,0,4,4,0,1,0,1,97,0,0,1,68,0,0,2,68,0,0,2,3,0,0,
98,0,0,4,74,0,6,66,0,0,3,3,0,1,0,1,97,0,0,2,68,0,0,2,3,0,0,
};


#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sqlca.h>
#pragma pack (push,1)

char accses(short int opertype,unsigned char *contractid,unsigned int currencyend,unsigned int *accountbalance);
int main()
{
        int oper_type=5;
        unsigned char contract_id[20]="0000005147896900";
        unsigned int currency=10000;
        char resp_type=88;
        unsigned int accountbalance=88;                   
        printf("+++++++++++:%d\n",accountbalance);                   
        printf("+++++++++++:%d\n",resp_type);                   
        resp_type=accses(oper_type,contract_id,currency,&accountbalance);                        
        printf("+++++++++++:%d\n",accountbalance);                   
        printf("+++++++++++:%d\n",resp_type);                   
}
char accses(short int opertype,unsigned char *contractid,unsigned int currencyend,unsigned int *accountbalance)
{
        /* exec sql begin declare section; */ 
/*连接数据库的变量*/
        unsigned char phonenum[21]="###"; /*用户的号线*/
        unsigned char username[10]="djm1";/*连接的数据库名*/
        unsigned char passwd[30]="djm1";  /*连接的数据库密码*/
        unsigned char server[100]="myoracle";  /*连接数据库的服务名*/
        unsigned char contract_id[21]="";
        unsigned int currency=0;
        unsigned int account_balance=0;
        int resp_type=0;
        /* exec sql end declare section; */ 

        memcpy(&contract_id,contractid,20);
        currency=currencyend;
        //account_balance=*accountbalance;
        
        /* EXEC SQL DECLARE DB2 DATABASE; */ 

        /* EXEC SQL AT DB2 CONNECT :username IDENTIFIED BY :passwd
                USING :server; */ 

{
        struct sqlexd sqlstm;
        sqlstm.sqlvsn = 12;
        sqlstm.arrsiz = 4;
        sqlstm.sqladtp = &sqladt;
        sqlstm.sqltdsp = &sqltds;
        sqlstm.iters = (unsigned int  )10;
        sqlstm.offset = (unsigned int  )5;
        sqlstm.cud = sqlcud0;
        sqlstm.sqlest = (unsigned char  *)&sqlca;
        sqlstm.sqlety = (unsigned short)256;
        sqlstm.occurs = (unsigned int  )0;
        sqlstm.sqhstv[0] = (         void  *)username;
        sqlstm.sqhstl[0] = (unsigned int  )10;
        sqlstm.sqhsts[0] = (         int  )10;
        sqlstm.sqindv[0] = (         void  *)0;
        sqlstm.sqinds[0] = (         int  )0;
        sqlstm.sqharm[0] = (unsigned int  )0;
        sqlstm.sqadto[0] = (unsigned short )0;
        sqlstm.sqtdso[0] = (unsigned short )0;
        sqlstm.sqhstv[1] = (         void  *)passwd;
        sqlstm.sqhstl[1] = (unsigned int  )30;
        sqlstm.sqhsts[1] = (         int  )30;
        sqlstm.sqindv[1] = (         void  *)0;
        sqlstm.sqinds[1] = (         int  )0;
        sqlstm.sqharm[1] = (unsigned int  )0;
        sqlstm.sqadto[1] = (unsigned short )0;
        sqlstm.sqtdso[1] = (unsigned short )0;
        sqlstm.sqhstv[2] = (         void  *)server;
        sqlstm.sqhstl[2] = (unsigned int  )100;
        sqlstm.sqhsts[2] = (         int  )100;
        sqlstm.sqindv[2] = (         void  *)0;
        sqlstm.sqinds[2] = (         int  )0;
        sqlstm.sqharm[2] = (unsigned int  )0;
        sqlstm.sqadto[2] = (unsigned short )0;
        sqlstm.sqtdso[2] = (unsigned short )0;
        sqlstm.sqphsv = sqlstm.sqhstv;
        sqlstm.sqphsl = sqlstm.sqhstl;
        sqlstm.sqphss = sqlstm.sqhsts;
        sqlstm.sqpind = sqlstm.sqindv;
        sqlstm.sqpins = sqlstm.sqinds;