int bb_rmdir(const char *path)
{
int retstat = 0;
log_msg("bb_rmdir(path=\"%s\")\n",
path);
retstat = myrmdir(path);
if (retstat < 0)
retstat = bb_error("bb_rmdir rmdir");
return retstat;
}
void myrmdir(char *dn)
{
DIR *rd;
struct dirent *tf;
chdir(dn);
rd=opendir(".");
while((tf=readdir(rd))!=NULL)
{
if(tf->d_name[0]!='.')
{
if((tf->d_attr & _A_SUBDIR)==0) remove(tf->d_name);
else
{
myrmdir(tf->d_name);
}
}
}
closedir(rd);
chdir("..");
rmdir(dn);
}
void tr_process(long long n)
{
FILE *tr,*fp;
int tt;
char s,*p;
int cp,sz;
sprintf(ftn,"%018Ld",n);
tr=fopen(ftn,"rb");
fread(&tt,sizeof(tt),1,tr);
p=fn1; do{ fread(&s,1,1,tr); *p=s; p++;} while(s!=0);
if(tt==TR_RENAME)
{
p=fn2; do{ fread(&s,1,1,tr); *p=s; p++;} while(s!=0); fclose(tr);
rename(fn1,fn2); remove(ftn); return;
}
if(tt==TR_DELETE)
{
fclose(tr); p=getcwd(NULL,0); myrmdir(fn1); chdir(p); remove(ftn); return;
}
if(tt==TR_UPDATE || tt==TR_CPOINT)
{
cp=ftell(tr); fseek(tr,0,SEEK_END); sz=ftell(tr)-cp-2; fseek(tr,cp,SEEK_SET);
fp=fopen(fn1,"wb");
while(sz>4096) { fread(fn2,4096,1,tr); fwrite(fn2,4096,1,fp); sz-=4096; }
if(sz>0) { fread(fn2,sz,1,tr); fwrite(fn2,sz,1,fp); }
fclose(fp); fclose(tr); remove(ftn); return;
}
if(tt==TR_CREATE)
{
mkdir(fn1); p=fn1; do{ fread(&s,1,1,tr); *p=s; p++;} while(s!=0);
cp=ftell(tr); fseek(tr,0,SEEK_END); sz=ftell(tr)-cp-2; fseek(tr,cp,SEEK_SET);
fp=fopen(fn1,"wb");
while(sz>4096) { fread(fn2,4096,1,tr); fwrite(fn2,4096,1,fp); sz-=4096; }
if(sz>0) { fread(fn2,sz,1,tr); fwrite(fn2,sz,1,fp); }
fclose(fp); fclose(tr); remove(ftn); return;
}
}
main(int argc, char *argv[ ])
{
//*Lab 5 CODE
char *tok;
char cmdArgs[2][MAX] = {'\0'};
char cwd[128];
int cmdCount = 0;
//LAB 5 CODE*
char temp[MAX];
int n;
char line[MAX], ans[MAX];
//*Lab 5 CODE
getcwd(cwd, 128); // get CWD pathname
// Lab 5 CODE*
printf("cwd: %s\n", cwd);
if (argc < 3){
printf("Usage : client ServerName ServerPort\n");
exit(1);
}
client_init(argv);
// sock <---> server
printf("******** processing loop *********\n");
while (1){
//printf("input two numbers to add : ");
//bzero(line, MAX); // zero out line[ ]
// *LAB 5 CODE
cmdCount = 0;
strcpy(cmdArgs[0],"");
strcpy(cmdArgs[1],"");
printf("Input a command: ");
// LAB 5 CODE*
fgets(line, MAX, stdin); // get a line (end with \n) from stdin
//printf("line: %s\n", line);
line[strlen(line)-1] = 0; // kill \n at end
//printf("line[0]: %c\n", line[0]);
//if(line[0]==0) // exit if NULL line
//{exit(0);}
// *Lab 5 CODE
strcpy(temp, line);
//printf("temp: %s\n", temp);
tok = strtok(line, " ");
cmdCount++;
//printf("temp: %s\n", temp);
//printf("cmdArgs[0] = %s\n", cmdArgs[0]);
//printf("cmdCount: %d\n", cmdCount);
while(tok != NULL)
{
strcpy(cmdArgs[cmdCount-1], tok);
tok = strtok(NULL, " ");
cmdCount++;
//printf("cmdCount: %d\n", cmdCount);
}
//printf("cmdCount: %d\n", cmdCount);
//printf("line: %s\n", line);
//printf("cmdArgs[0] = %s\n", cmdArgs[0]);
if(strcmp(cmdArgs[0], "lcat") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycat(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lpwd") == 0)
{
mypwd(cwd);
}
else if (strcmp(cmdArgs[0], "lls") == 0)
{
printf("args: %s\n", cmdArgs[1]);
if(strcmp(cmdArgs[1],"") != 0) {myls(cmdArgs[1]);}
else
{
printf("cwd: %s\n", cwd);
myls(cwd);
}
}
else if (strcmp(cmdArgs[0], "lcd") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycd(cmdArgs[1]);}
else {mycd(cwd);}
}
else if (strcmp(cmdArgs[0], "lmkdir") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mymkdir(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lrmdir") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {myrmdir(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "lrm") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {myrm(cmdArgs[1]);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "get") == 0)
{
if(strcmp(cmdArgs[1],"") != 0) {mycp(cmdArgs[1], cwd);}
else {printf("ERROR: pathname not given");}
}
else if (strcmp(cmdArgs[0], "quit") == 0)
{
printf("Goodbye!\n");
return 0;
}
else // Not a local command, work with the sever
{
// Send command to server
n = write(server_sock, temp, MAX);
printf("client: wrote n=%d bytes; line=(%s)\n", n, temp);
// Send command pathname
//n = write(server_sock, cmdArgs[0], MAX);
//printf("client: wrote n=%d bytes; line=(%s)\n", n, line);
// Now read the Reply and Results in from the Server...
//REPLY
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
//RESULTS
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
readData(ans);
}
// Lab 5 CODE*
//
// Send ENTIRE line to server
//n = write(server_sock, line, MAX);
//printf("client: wrote n=%d bytes; line=(%s)\n", n, line);
// Read a line from sock and show it
//n = read(server_sock, ans, MAX);
//printf("client: read n=%d bytes; echo=(%s)\n",n, ans);
}
}
int callInternal(command* C, char* homeDir)
{
if (C->argc == 0)
return 0;
else if (strcmp(C->argv[0],"exit") == 0)
return 1;
else if (strcmp(C->argv[0],"mycat") == 0)
{
if (C->argc == 2)
mycat(C->argv[1]);
else if (C->argc == 1)
printf("Argument missing\n");
else if (C->argc > 2)
printf("Incorrect usage of mycat\n");
}
else if (strcmp(C->argv[0],"mycp") == 0)
{
if (C->argc == 3)
mycp(C->argv[1],C->argv[2]);
else if (C->argc == 2)
printf("Destination needed\n");
else if (C->argc == 1)
printf("Source & destination needed\n");
else
printf("Incorrect usage of mycp\n");
}
else if (strcmp(C->argv[0],"mypwd") == 0)
{
if (C->argc > 1)
printf("Incorrect usage of mypwd\n");
else
{
char* pwd = mypwd();
printf("%s\n",pwd);
free(pwd);
}
}
else if (strcmp(C->argv[0],"mymkdir") == 0)
{
if (C->argc < 2)
printf("missing argument\n");
else if (C->argc > 2)
printf("Incorrect usage of mymkdir\n");
else
mymkdir(C->argv[1]);
}
else if (strcmp(C->argv[0],"myrmdir") == 0)
{
if (C->argc < 2)
printf("missing argument\n");
else if (C->argc > 2)
printf("Incorrect usage of mymkdir\n");
else
myrmdir(C->argv[1]);
}
else if (strcmp(C->argv[0],"mycd") == 0)
{
if (C->argc >2)
printf("Incorrect usage of mycd\n");
else if (C->argc == 2)
mycd(C->argv[1]);
else
mycd(homeDir);
}
else if (strcmp(C->argv[0],"myls") == 0)
{
if (C->argc == 1)
myls(NULL,0);
else if (C->argc == 2)
if (strcmp(C->argv[1],"-l") == 0)
myls(NULL,1);
else
myls(C->argv[1],0);
else if (C->argc == 3)
if (strcmp(C->argv[1],"-l") == 0)
myls(C->argv[2],1);
else
printf("Incorrect usage of myls\n");
else
printf("Incorrect usage of myls\n");
}
else if (strcmp(C->argv[0],"myrm") == 0)
{
if (C->argc == 2)
myrm(C->argv[1]);
else if (C->argc == 1)
printf("missing argument\n");
else
printf("Incorrect usage of myrm\n");
}
else
printf("command not found: %s\n",C->argv[0]);
return 0;
}
int main(int argc, char** argv)
{
int count=0, i=0, cmp, j, valid=0;
char key[MAX];
//run the shell till user inputs 'quit' or Ctrl-C
while(strcmp(cmdline, "quit") != 0)
{
count = 0;
//our shell's prompt
printf("afreen@myShell $ ");
//get command line input
gets(cmdline);
//tokenize the CL input delimited by " " using strtok() into args
args[count++] = strtok(cmdline, " ");
//tokenize the entire string till the next token encountered
//does not have a NULL pointer
while((args[count++] = strtok(NULL, " ")));
count--; //no of arguments (argc)
//if user wants to clear screen
if(strcmp(args[0], "clear") == 0)
{
myclear();
}
//checking for the input command
strcpy(key, args[0]);
for(i=0; i<18; i++) //look through our check array for command
{
if(strcmp(check[i], key) == 0)
{
valid = -1;
switch(i)
{
case 0: mycat(count, args);
break;
case 1: mycd(count, args);
break;
case 2: mycp(count, args);
break;
case 3: mydate(count, args);
break;
case 4: myhead(count, args);
break;
case 5: myls(count, args);
break;
case 6: myll(count, args);
break;
case 7: myln(count, args);
break;
case 8: myld(count, args);
break;
case 9: mymkdir(count, args);
break;
case 10: mymv(count, args);
break;
case 11: mypwd(count, args);
break;
case 12: myrm(count, args);
break;
case 13: myrmdir(count, args);
break;
case 14: mytail(count, args);
break;
case 15: mytime(count, args);
break;
case 16: mytouch(count, args);
break;
case 17: myuname(count, args);
break;
default: printf("%s: Command not found\n", key);
break;
}
break;
}
}
}
return 0;
}
