int Convert_File_To_List(log_t* Link_list,char * filename, unsigned long long int bytesToTransfer){
//FILE* NOW;
FILE* article;
unsigned long long int num_byte = 0;
unsigned long long int total_byte = 0;
char Chunk_data[PACKAGE_SIZE];
article = fopen (filename, "rb");
//NOW = fopen("NOW","wb");
unsigned long long int s_length = 0;
/*
if(bytesToTransfer < sizeof(Chunk_data)){
s_length = bytesToTransfer;
}
else{
s_length = sizeof(Chunk_data);
}
*/
s_length = min(bytesToTransfer, sizeof(Chunk_data));
//printf("in_f\n");
unsigned long long int transfer_length = bytesToTransfer;
if (article){
memset(Chunk_data, 0, sizeof Chunk_data);
while (((num_byte = fread(Chunk_data, sizeof(char), s_length, article)) > 0) && (total_byte < transfer_length)){
total_byte += num_byte;
//Chunk_data[num_byte] = '\0';/////////
log_push(Link_list, Chunk_data, num_byte);
//fwrite(Chunk_data, sizeof(char), strlen(buffer), out);
/*
if(bytesToTransfer < sizeof(Chunk_data)){
s_length = bytesToTransfer;
}
else{
s_length = sizeof(Chunk_data);
}
*/
bytesToTransfer = bytesToTransfer - num_byte;
s_length = min(bytesToTransfer, sizeof(Chunk_data));
total++;
memset(Chunk_data, 0, sizeof Chunk_data);
}
}
else{
printf("file not exist\n");
return FAIL;
}
fclose(article);
return OK;
}
int main()
{
log_t l;
log_init( &l );
while(1)
{
size_t length = 1;
char * buff = calloc( length, sizeof( char ) );
char * cwd = getcwd( buff, length );
while( cwd == NULL )
{
length *= 2;
buff = realloc( buff, length * sizeof(char) );
cwd = getcwd( buff, length );
}
pid_t pid = getpid();
printf("(pid=%d)%s$ ", pid, cwd);
free( buff );
char * input = NULL;
size_t leng = 0;
size_t read = 0;
read = getline( &input, &leng, stdin);
if( strcmp( input, "\n" ) == 0)
{
free( input );
continue;
}
if( *input == '!' )
{
printf("Command executed by pid=%d\n", pid);
if( strcmp( input, "!#\n" ) == 0 )
{
int i;
for( i = 0; i < l.num; i++ )
{
printf("%s", l.histo[i] );
}
free( input );
continue;
}
else
{
char * result = log_search( &l, input +1 );
if( result == NULL )
{
puts("No Match");
free( input );
continue;
}
char * temp = malloc( strlen( input + 1) );
int k;
for(k = 0; k < strlen( input + 1 ) - 1; k ++)
{
temp[k] = input[k+1];
}
temp[k] = '\0';
printf("%s matches %s", temp, result);
free(temp);
log_push( &l, result );
free( input );
input = calloc( strlen( result ) + 1, sizeof( char ) );
strcpy( input, result );
}
}
else
{
log_push( &l, input );
}
/*if( feof( stdin ) )
{
log_destroy( &l );
exit( 0 );
}*/
if( strcmp( input, "exit\n" ) == 0 )
{
printf("Command executed by pid=%d\n", pid);
free( input );
log_destroy( &l );
exit( 0 );
}
char * token = strtok( input, " \n" );
char * first = token;
char ** follower = calloc( 100, sizeof( char * ) );
int i = 1;
while( token )
{
token = strtok( NULL, " \n" );
follower[i] = token;
i++;
}
follower[0] = first;
follower[i] = NULL;
if( strcmp( first, "cd") == 0 )
{
printf("Command executed by pid=%d\n", pid);
if( chdir( follower[1] ) )
printf("%s: No such file or directory\n", follower[1] );
free( follower );
free( input );
continue;
}
pid_t child;
int status;
if ( ( child = fork() ) < 0 )
{
perror("Filed to fork");
exit(1);
}
else if ( child == 0 )
{
pid_t pid = getpid();
printf("Command executed by pid=%d\n", pid);
execvp( first, follower );
printf("%s: not found\n", first);
free(follower);
free( input );
log_destroy( &l );
exit(1);
}
else
{
child = wait( &status );
}
free( follower );
free( input );
}
log_destroy( &l );
return 0;
}
/**
* Starting point for shell.
*/
int main() {
log_init(&Log);
char cwd[1024];
int pid;
size_t size= 0;
while(1){
pid= getpid();
getcwd(cwd, 1024);
printf("(pid=%d)%s$ ", pid, cwd);
char * line= NULL;
getline(&line, &size, stdin);
line[strlen(line)-1]= '\0';
if(strstr(line, "cd") == line){
const char * path= line+3;
int change= chdir(path);
if(change==0){
int pid= getpid();
printf("Command executed by pid=%d\n", pid);
log_push(&Log, line);
continue;
}
else{
printf("%s: No such file or directory\n", path);
log_push(&Log, line);
continue;
}
}
if(strstr(line, "exit") == line){
int pid= getpid();
printf("Command executed by pid=%d\n", pid);
log_push(&Log, line);
log_destroy(&Log);
exit(1);
}
if(strstr(line, "!#")){
log_entry * curr= Log.head;
while(curr){
printf("%s\n", curr->data);
curr= curr->next;
}
free(line);
continue;
}
if(strstr(line, "!") == line){
const char * query= line+1;
char * match= NULL;
if((&Log)->size > 0)
match= log_search(&Log, query);
if(match){
printf("%s matches %s\n", query, match);
char * line2= malloc(strlen(match)+1);
strcpy(line2, match);
log_push(&Log, line2);
free(line);
if(strstr(match, "cd ")){
char * path= match + 3;
int change= chdir(path);
if(change == 0){
int pid= getpid();
printf("Command executed by pid=%d\n", pid);
continue;
}
else{
printf("%s: No such file or directory\n",path);
continue;
}
}
char * array[5]= {NULL, NULL, NULL, NULL, NULL};
char * temp2= malloc(strlen(match)+1);
strcpy(temp2, match);
char * str= strtok(temp2, " ");
if(!str){
array[0] = malloc(strlen(temp2)+1);
strcpy(array[0], temp2);
}
else{
int i=0;
for(i=0; i < 5 && str; i++){
array[i]= malloc(strlen(str)+1);
strcpy(array[i], str);
str= strtok(NULL, " ");
}
}
int status;
pid_t child= fork();
if(child >= 0){
if(child == 0){
execvp(array[0], array);
printf("%s: not found\n", line);
exit(1);
}
else{
pid_t pid= getpid();
while(pid != child){
pid= wait(&status);
}
printf("Command executed by pid=%d\n", pid);
}
}
else{
printf("fork failed\n");
exit(1);
}
free(temp2);
free(str);
int i=0;
for(i=0; i < 5; i++){
free(array[i]);
}
continue;
}
else printf("No Match\n");
continue;
}
char * array[5]= {NULL, NULL, NULL, NULL, NULL};
char * temp= malloc(strlen(line)+1);
strcpy(temp, line);
char * str= strtok(temp, " ");
if(!str){
array[0] = malloc(strlen(temp)+1);
strcpy(array[0], temp);
}
else{
int i=0;
for(i=0; i < 5 && str; i++){
array[i]= malloc(strlen(str)+1);
strcpy(array[i], str);
str= strtok(NULL, " ");
}
}
int status;
pid_t child= fork();
if(child == 0){
execvp(array[0], array);
printf("%s: not found\n", temp);
exit(1);
}
else{
pid_t pid= getpid();
while(pid != child){
pid= wait(&status);
}
printf("Command executed by pid=%d\n", pid);
log_push(&Log, line);
}
int i=0;
for(i=0; i < 5; i++){
free(array[i]);
}
free(str);
free(temp);
}
return 0;
}