int send_files(unsigned char **files_path, int files_count, const char *ip) {
char block_type;
int sock, file, c;
int trans_cond = EXIT_SUCCESS;
/** Opening socket descriptor */
if ((sock = open_socket(ip)) == EXIT_FAILURE) {
return EXIT_FAILURE;
}
for (c = 0; c < files_count; c++) {
/** Opening file descriptor */
if ((file = open_file((const char *) files_path[c], O_RDONLY)) == EXIT_FAILURE) {
return EXIT_FAILURE;
}
/** Sending block, file name and file size **/
block_type = BLOCK_FILE_START;
write_total(sock, &block_type, 1);
const char *file_name = fname((const char *) files_path[c]);
write_total(sock, file_name, strlen(file_name));
write_total(sock, &"\n", 1);
off_t file_size = fsize((const char *) files_path[c]);
/** Checking for file size unavailable **/
if (file_size == -1) {
return EXIT_FAILURE;
}
write_total(sock, &file_size, 8);
setup_bar(file_name, file_size);
trans_cond = transfer_data(file, sock, 0, file_size);
/** Closing streams **/
close(file);
/** Checking for transfer condition **/
if (trans_cond == EXIT_FAILURE) {
/** Nothing to do **/
break;
}
printf("\n");
}
/** Checking for transaction success **/
if (trans_cond == EXIT_SUCCESS) {
/** Sending end-block **/
block_type = BLOCK_FILE_END;
write_total(sock, &block_type, 1);
}
shutdown(sock, SHUT_RDWR);
return trans_cond;
}
void n_addrec (NDX *n, char *r, unsigned long index_num) {
unsigned char i, num;
char *rs;
int cmp, top;
unsigned long page_index;
bool changed[64], header_changed;
NDX_NODE* key;
key=(NDX_NODE*)malloc(8+n->key_length);
rs=(char*)malloc(n->key_length);
strscpy(rs,r,n->key_length);
memset(changed,0,sizeof(changed));
header_changed=false;
page_index=n->root_page; top=-1;
while (page_index) {
get_page(n,page_index,++top);
if (pages[top].keys[0]->index) break;
for (i=0;i<pages[top].key_num;i++) {
cmp=memcmp(rs,pages[top].keys[i]->key_data,n->key_length);
if ((cmp<0) || (cmp==0 && index_num<pages[top].keys[i]->index))
{ page_index=pages[top].keys[i]->left_page; break; }
}
if (i==pages[top].key_num) {
memcpy(pages[top].keys[--i],rs,n->key_length);
changed[i]=true;
page_index=pages[top].keys[--i]->left_page;
}
}
key=make_node(n,0,index_num,rs);
addrec(n,num=top,key);
changed[top]=true;
while (pages[num].key_num>n->max_keys && num>1) {
spilt_page(n,num,++top);
header_changed=true;
addrec(n,num-1,get_last(n,num));
changed[num]=changed[top]=true;
}
if (pages[num].key_num>n->max_keys) {
spilt_page(n,num,++top);
header_changed=true;
changed[num]=changed[top]=true;
make_page(n,num,top,top+1); top++;
changed[top]=true;
}
for (i=0;i<=top;i++) {
if (changed[i]) put_page(n,i);
dispose_page(i);
}
if (header_changed) write_total(n);
}
int load_file(const char *directory, const char *ip) {
char block_type;
int sock, file;
int trans_cond = EXIT_SUCCESS;
/** Opening socket descriptor */
if ((sock = open_socket(ip)) == EXIT_FAILURE) {
return EXIT_FAILURE;
}
/** Reading block until all files will not be received **/
while (read_total(sock, &block_type, 1) == 1
&& block_type == BLOCK_FILE_START) {
/** Reading file name **/
const char *file_name = (const char *) read_data(sock, '\n', 0);
/** Concatinating into file path **/
char *file_path = fpath(file_name, directory);
/** Reading file size **/
off_t file_size = *((unsigned long *) read_data(sock, 0, 8));
/** Opening file descriptor */
if ((file = open_file(file_path, O_CREAT | O_WRONLY)) == EXIT_FAILURE) {
return EXIT_FAILURE;
}
setup_bar(file_name, file_size);
trans_cond = transfer_data(sock, file, 0, file_size);
/** Closing streams **/
close(file);
/** Checking for transfer condition **/
if (trans_cond == EXIT_FAILURE) {
/** Nothing to do now **/
break;
}
printf("\n");
}
/** Checking for transaction success **/
if (trans_cond == EXIT_SUCCESS) {
block_type = BLOCK_FILE_END;
write_total(sock, &block_type, 1);
}
shutdown(sock, SHUT_RDWR);
return trans_cond;
}
