Oracle Tuxedo工作站客户端与服务端的样例程序
服务端代码:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <atmi.h>
#include <userlog.h> static void trim(char *strIn, char *strOut){ char *start, *end, *temp; temp = strIn;
while (*temp == ' ')
{
++temp;
} start = temp; temp = strIn + strlen(strIn) - ; while (*temp == ' '){
--temp;
} end = temp; for (strIn = start; strIn <= end;){
*strOut++ = *strIn++;
} *strOut = '\0'; } // return 1 is true , 0 is false
static int isDigit(const char* str, int len)
{
int i;
if (len == )
{
return ;
}
for (i = ; i < len; ++i)
{
if (i == && str[i] == '-') continue; if (!isdigit(str[i]))
{
return ;
}
}
return ;
} static int extractErrorCodeTagValue(const char* source)
{
char tagBeginStr[] = { };
char tagEndStr[] = { };
char errorCodeStr[] = { };
char errorCodeStrOut[] = { };
const char *beginPos = NULL;
const char *endPos = NULL;
const char* ERROR_CODE_TAG = "ERRORCODE"; char *workPtr = NULL;
int i = ; if (source == NULL || strlen(source) == )
{
return -;
} sprintf(tagBeginStr, "<%s>", ERROR_CODE_TAG);
sprintf(tagEndStr, "</%s>", ERROR_CODE_TAG); beginPos = strstr(source, tagBeginStr);
endPos = strstr(source, tagEndStr); if (beginPos == NULL || endPos == NULL)
{
return -;
} for (workPtr = (char*)beginPos + strlen(tagBeginStr); workPtr != endPos; workPtr++,i++)
{
errorCodeStr[i] = *workPtr;
} if (strlen(errorCodeStr) == )
{
return -;
} trim(errorCodeStr, errorCodeStrOut); if (!isDigit(errorCodeStrOut, strlen(errorCodeStrOut)))
{
return -;
} return atoi(errorCodeStrOut); } EXEC SQL INCLUDE sqlca; EXEC SQL BEGIN DECLARE SECTION;
char result_out[] = "";
char* requestData = NULL;
long requestDataLen = ;
char* resultData = NULL;
int retErrorCode = ;
EXEC SQL VAR result_out IS STRING();
EXEC SQL END DECLARE SECTION; TEST(TPSVCINFO *rqst) { requestData = rqst->data;
requestDataLen = rqst->len; userlog("Request Data is:%s", requestData); userlog("Request Data Length is:%d", requestDataLen); EXEC SQL EXECUTE
DECLARE
result_out_sql varchar2();
BEGIN
result_out_sql := '';
prc_K_testJsdQuery(:requestData,result_out_sql);
:result_out := result_out_sql;
END;
END-EXEC; userlog("result_out is: %s",result_out); retErrorCode = extractErrorCodeTagValue(result_out);
userlog("ret Error Code is: %d",retErrorCode);
if(retErrorCode != )
{
EXEC SQL ROLLBACK;
userlog("executed rollback");
}
else
{
EXEC SQL COMMIT;
userlog("executed commit");
} resultData = (char *)tpalloc("STRING",NULL, + );
if(resultData)
{
memset(resultData,, + );
strncpy(resultData,result_out,);
userlog("result Data is: %s",resultData);
userlog("result Data Length is: %d",strlen(resultData));
tpreturn(TPSUCCESS,,resultData,strlen(resultData),);
tpfree(resultData);
}
else
{
tpreturn(TPFAIL,,NULL,,);
} }
以上代码内嵌了SQL,采用了Oracle的Pro*C/C++ 编程方式,需要运行以下命令生成相应的可以编译的server_test.c文件:
/*功能:调用TUXEDO服务端的服务TEST,取EMPNO=1000所对应的ENAME的值,并显示出来*/
#include <stdio.h>
#include "atmi.h"
main(argc,argv)
{ long reqlen=;
char *sendbuf;
char *rcvbuf; char *wsaddrEnv = tuxgetenv("WSNADDR");
if(wsaddrEnv)
{
fprintf(stderr,"wsnaddr is:%s\n",wsaddrEnv);
}
/* 与TUXEDO服务端建立连接 */
if (tpinit((TPINIT *) NULL) == -)
{
(void) fprintf(stderr,"Tpinit failedn");
exit();
} /* 分配发送缓冲区*/ sendbuf = (char *)tpalloc("STRING",NULL,reqlen); if ( sendbuf == (char *)NULL) { printf("tpalloc failedn"); tpterm(); } /* 分配接受缓冲区*/
rcvbuf = (char *)tpalloc("STRING",NULL,reqlen); if ( rcvbuf == (char *)NULL) { printf("tpalloc failedn"); tpterm(); } strcpy(sendbuf,"<AKC190>L2017262210000651420</AKC190><YYBM>0080</YYBM>"); /*调用TUXEDO的服务TEST*/ if (tpcall("TEST", (char *)sendbuf, 0L, (char **)&rcvbuf, (long *)&reqlen, < ) )
/*tpcall("TOUPPER", (char *)sendbuf, 0, (char **)&rcvbuf, &rcvlen, (long)0))*/
{ printf("tpcall failed,tperrno=%ld,tperrtext=%s\n",tperrno,tpstrerror(tperrno)); tpfree(rcvbuf); tpterm(); exit(); } printf("name=%s\n",rcvbuf); tpfree(rcvbuf); tpfree(sendbuf); tpterm(); return(); }
然后以上代码用以下命令行来编译:
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