getadd.h

moto e2 基站定位0.1版软件

/*	
*****************************E2基站定位   0.1版*************************************************************
Written by Letterb @scnu_cs_05
2008/1/18
Email:	[e-mail]
		or [e-mail]
感谢netsnakecq（Bin Li <[e-mail]>）的开源
使用lasly的sdk和ilove3d的更新include
********************************letterb*****************************************
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#define MAX_INT 32766
bool getlocaladd(const char * filename,char * localid,char *add)	//用基站id搜索基站地址
{
    bool flag=false;
    char  address[400];
    char buf[500];
    int mmc,mnc,lac , cid , prc;
    FILE * fp = fopen(filename,"r");
    while(fgets(buf,sizeof buf , fp))
    {
        if(strstr(buf,localid))
        {
            sscanf(buf,"%d;%d;%d;%d;%d;%s",&mmc,&mnc,&lac , &cid , &prc,address);
            int len=strlen(buf);
            int i=len-1;
            while(buf[i]!=';' && i >0 ){i--;}
            strcpy(add,buf+i+1);
            printf("found!!\n");
            flag=true;
            break;
        }
    }
    if(flag)
     printf("%d;%d;%d;%d;%d;%s",mmc,mnc,lac , cid , prc,add);
    fclose(fp);
    return flag;
}

bool findnearadd(const char * filename,char * localid,char *add)	//查找出最近的基站
{
    bool flag=false;
    char  address[400];
    char nearaddinfo[500];
    char buf[500];
    memset(nearaddinfo,0,sizeof nearaddinfo);
    int mmc,mnc,lac , cid , prc;
    int pre_mmc,pre_mnc,pre_lac , pre_cid ;
    int min_lac(MAX_INT),min_cid(MAX_INT);
    sscanf(localid,"%d;%d;%d;%d",&pre_mmc,&pre_mnc,&pre_lac , &pre_cid);
    FILE * fp = fopen(filename,"r");
    while(fgets(buf,sizeof buf , fp))
    {
        sscanf(buf,"%d;%d;%d;%d;%d;%s",&mmc,&mnc,&lac , &cid , &prc,address);
        if(mmc==pre_mmc && mnc == pre_mnc)
        {
            if(min_lac > abs(lac-pre_lac))
            {
                min_cid = abs(cid-pre_cid);
                min_lac = abs(lac-pre_lac);
                strcpy(nearaddinfo,buf);
            }
            else
                if(min_lac == abs(lac-pre_lac))
                {
                     if(min_cid > abs(cid-pre_cid))
                     {
                         min_cid = abs(cid-pre_cid);
                         strcpy(nearaddinfo,buf);
                     }
                     else
                         if(min_cid == abs(cid-pre_cid))
                         {
                            if(!strlen(nearaddinfo))
                                strcpy(nearaddinfo,buf);
                            else
                            {
                               strcat(nearaddinfo,"\n");
                               strcat(nearaddinfo,buf);
                            }
                         }
                }
        }
 /*       if(strstr(buf,localid))
        {
            int len=strlen(buf);
            int i=len-1;
            while(buf[i]!=';' && i >0 ){i--;}
            strcpy(add,buf+i-1);
            printf("found!!\n");
            flag=true;
            break;
        }*/
    }
    printf("%d;%d;%d;%d;%d;%s\n",mmc,mnc,lac , cid , prc,nearaddinfo);
    strcpy(add,nearaddinfo);
    fclose(fp);
    return flag;
}

bool append_to_file(char *filename,char *appstr)	//追加基站信息
{
    FILE *file;
    file=fopen(filename,"a");
//    fputs("\n",file);
    fputs(appstr,file);
    fclose(file);
    return false;
}

int isexist(char *filename,const char *keystr,char * resbuf)	//检测文件行是否存在keystr
{
    FILE *file;
    if(file=fopen(filename,"r"))
    {
        char buf[500];
        while(fgets(buf , sizeof buf,file))
        {
//            buf[strlen(buf)-1]='\0';
            if(strstr(buf,keystr))
            {			
            				strcpy(resbuf,buf);
                fclose(file);
                return 1;
            }
        }
        fclose(file);
        return 0;
    }
    else
    {
        fclose(file);
        return -1;
    }
    return -1;
}

bool cancel_line(char *filename,char *line)	//取消含有line的行
{
	if(strlen(line)<1)
		return false;
    FILE *fp=fopen(filename, "r");
    if(fp==NULL)
    {
            printf(">> ERROR reading java registry!\n");
            return false;
    }
    fseek(fp, 0, SEEK_END);
    unsigned int flen=ftell(fp);
    rewind(fp);
    char buf[flen+strlen(line)];
    unsigned int i=0;
    for(i=0; i<flen; i++) buf[i]=fgetc(fp);
    fclose(fp);
    buf[flen]=0;
    char mystr[strlen(buf)];
    strcpy(mystr,buf);
    char temp1[strlen(buf)];
    char temp2[strlen(buf)];
    memset(temp2, 0, sizeof(temp2));
    memset(temp1, 0, sizeof(temp1));
    char* p=strstr(mystr,line);
    	if(p==NULL)
    			return false;
    char * ori_p=mystr;
    i=0;
    while(ori_p<p)
    {
        temp1[i++]=*ori_p;
        ori_p++;
    }
    temp1[i]='\0';

    FILE *fp2=fopen(filename, "w");
    if(fp2==NULL)
    {
        printf(">> ERROR writing java registry!\n");
        return false;
    }
//    for(i=0; i<strlen(buf); i++) fputc(buf[i], fp2);
    fputs(temp1,fp2);
    fclose(fp2);/**/

    p+=strlen(line);
  	if(p==(flen+mystr))
   		return false; 	
    i=0;        
    strcpy(temp2,p);        

    fp2=fopen(filename, "a");
    if(fp2==NULL)
    {
        printf(">> ERROR writing java registry!\n");
        return false;
    }
    fputs(temp2, fp2);
    fclose(fp2);/**/
    return true;
}