/*
* Create an Database
*/
int RemoteDBCreate(const char * filename,char * addr,int port)
{
if(filename == NULL)
{
fprintf(stderr,"filename Error,%s:%d\n", __FILE__,__LINE__);
filename = "nezha.hdb";
}
/* connect server */
tServiceHandler dbhandler = OpenRemoteService(addr,port);
if(dbhandler == -1)
{
return -1;
}
/* open database file */
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
FormatData1(Buf,&BufSize,OPEN_CMD,(char*)filename,strlen(filename));
SendData(dbhandler,Buf,BufSize);
BufSize = MAX_BUF_LEN;
RecvData(dbhandler,Buf,&BufSize);
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,MAX_BUF_LEN,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd != OPEN_RSP || DataNum != 0)
{
fprintf(stderr,"Remote DBCreate Error,%s:%d\n", __FILE__,__LINE__);
return -1;
}
return dbhandler;
}
/*
* Create an Database
*/
int CreateRemoteDB(char *addr, int port, const char * dbName)
{
if(dbName == NULL)
{
fprintf(stderr, "filename Error,%s:%d\n", __FILE__, __LINE__);
dbName = "default.hdb";
}
/* connect server */
tServiceHandler h = OpenRemoteService(addr, port);
if(h == -1)
{
return -1;
}
/* open database file */
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
FormatData1(Buf, &BufSize, OPEN_CMD, (char*)dbName, strlen(dbName));
SendData(h, Buf, BufSize);
BufSize = MAX_BUF_LEN;
RecvData(h, Buf, &BufSize);
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf, MAX_BUF_LEN, &cmd, &DataNum, Data1, &Data1Size, Data2, &Data2Size);
if(cmd != OPEN_RSP || DataNum != 0)
{
fprintf(stderr, "CreateRemoteDB Error,%s:%d\n", __FILE__, __LINE__);
return -1;
}
return h;
}
/*
* delete key/value
*/
int RemoteDBDelKeyValue(int db,tKey key)
{
if(db == -1)
{
return -1;
}
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
int ret = FormatData1(Buf,&BufSize,DELETE_CMD,(char*)key.str,key.len);
if(ret == -1)
{
return -1;
}
SendData(db,Buf,BufSize);
BufSize = MAX_BUF_LEN;
if(RecvData(db,Buf,&BufSize) == 0)
{
fprintf(stderr,"Connection Error,%s:%d\n",__FILE__,__LINE__);
return -1;
}
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,BufSize,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == ERROR_RSP && DataNum == 1)
{
fprintf(stderr,"%s,%s:%d\n",Data1, __FILE__,__LINE__);
return -1;
}
return 0;
}
/*
* Create an Database
*/
tDatabase DBCreate(const char * filename)
{
if(filename == NULL)
{
fprintf(stderr,"filename Error,%s:%d\n", __FILE__,__LINE__);
filename = "nezha.hdb";
}
/* connect server */
h = OpenRemoteService(IP_ADDR,PORT);
if(h == -1)
{
exit(-1);
}
/* open database file */
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
FormatData1(Buf,&BufSize,OPEN_CMD,(char*)filename,strlen(filename));
SendData(h,Buf,BufSize);
BufSize = MAX_BUF_LEN;
RecvData(h,Buf,&BufSize);
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,MAX_BUF_LEN,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd != OPEN_RSP || DataNum != 0)
{
fprintf(stderr,"Remote DBCreate Error,%s:%d\n", __FILE__,__LINE__);
}
return (tDatabase)&h;
}
/*
* delete key/value
*/
int DBDelKeyValue(tDatabase db,tKey key)
{
if(db == NULL)
{
return -1;
}
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
int ret = FormatData1(Buf,&BufSize,DELETE_CMD,(char*)&key,sizeof(tKey));
if(ret == -1)
{
return -1;
}
SendData(*(tServiceHandler*)db,Buf,BufSize);
BufSize = MAX_BUF_LEN;
if(RecvData(*(tServiceHandler*)db,Buf,&BufSize) == 0)
{
fprintf(stderr,"Connection Error,%s:%d\n",__FILE__,__LINE__);
return -1;
}
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,BufSize,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == ERROR_RSP && DataNum == 1)
{
fprintf(stderr,"%s,%s:%d\n",Data1, __FILE__,__LINE__);
return -1;
}
return 0;
}
/*
* get key/value
*/
int GetRecordRemote(int db, tKey key, tValue *pvalue)
{
if(db == -1 || pvalue == NULL)
{
return -1;
}
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
int ret = FormatData1(Buf, &BufSize, GET_CMD, (char*)&key, sizeof(tKey));
if(ret == -1)
{
return -1;
}
SendData(db, Buf, BufSize);
BufSize = MAX_BUF_LEN;
if(RecvData(db, Buf, &BufSize) == 0)
{
fprintf(stderr, "Connection Error,%s:%d\n", __FILE__, __LINE__);
return -1;
}
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf, BufSize, &cmd, &DataNum, Data1, &Data1Size, Data2, &Data2Size);
if(cmd == ERROR_RSP && DataNum == 1)
{
return -1;
}
if(cmd != GET_RSP || DataNum != 2
|| key != *(tKey*)Data1 || Data1Size != sizeof(tKey))
{
fprintf(stderr, "GetRecordRemote Error,%s:%d\n", __FILE__, __LINE__);
return -1;
}
pvalue->len = Data2Size;
pvalue->str = Data2;
return 0;
}
/*
* get key/value
*/
int RemoteDBGetKeyValue(int db,tKey key,tValue *pvalue)
{
if(db == -1 || pvalue == NULL)
{
return -1;
}
char Buf[MAX_BUF_LEN] = "\0";
int BufSize = MAX_BUF_LEN;
int ret = FormatData1(Buf,&BufSize,GET_CMD,(char*)key.str,key.len);
if(ret == -1)
{
return -1;
}
SendData(db,Buf,BufSize);
BufSize = MAX_BUF_LEN;
if(RecvData(db,Buf,&BufSize) == 0)
{
fprintf(stderr,"Connection Error,%s:%d\n",__FILE__,__LINE__);
return -1;
}
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,BufSize,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == ERROR_RSP && DataNum == 1)
{
return -1;
}
if(cmd != GET_RSP || DataNum != 2 )
{
fprintf(stderr,"Remote DBGetKeyValue Error,%s:%d\n", __FILE__,__LINE__);
return -1;
}
pvalue->len = Data2Size;
memcpy(pvalue->str,Data2,Data2Size);
return 0;
}
int main()
{
char Buf[MAX_BUF_LEN] = "\0";
char *str = "hello world!";
FormatData(Buf,MAX_BUF_LEN,CLOSE_CMD);
int cmd = -1;
int DataNum = -1;
char Data1[MAX_BUF_LEN] = "\0";
int Data1Size = MAX_BUF_LEN;
char Data2[MAX_BUF_LEN] = "\0";
int Data2Size = MAX_BUF_LEN;
ParseData(Buf,MAX_BUF_LEN,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == CLOSE_CMD && DataNum == 0)
{
printf("Test Zero Data Result: Pass\n");
}
FormatData1(Buf,MAX_BUF_LEN,OPEN_CMD,str,strlen(str));
ParseData(Buf,MAX_BUF_LEN,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == OPEN_CMD && DataNum == 1
&& Data1Size == strlen(str)
&& strcmp(Data1,str) == 0)
{
printf("%s\n",Data1);
printf("Test One Data Result: Pass\n");
}
FormatData2(Buf,MAX_BUF_LEN,SET_CMD,str,strlen(str),str,strlen(str));
ParseData(Buf,MAX_BUF_LEN,&cmd,&DataNum,Data1,&Data1Size,Data2,&Data2Size);
if(cmd == SET_CMD && DataNum == 2
&& Data1Size == strlen(str) && Data2Size == strlen(str)
&& strcmp(Data1,str) == 0 && strcmp(Data2,str) == 0)
{
printf("%s\n",Data1);
printf("%s\n",Data2);
printf("Test Two Data Result: Pass\n");
}
return 0;
}
