BC_FileBox::~BC_FileBox()
{
// this has to be destroyed before tables, because it can call for an update!
delete newfolder_thread;
delete fs;
delete_tables();
for(int i = 0; i < TOTAL_ICONS; i++)
delete icons[i];
filter_list.remove_all_objects();
delete [] list_column;
delete [] column_type;
delete [] column_width;
delete delete_thread;
recent_dirs.remove_all_objects();
}
/**
* @brief Start the storage server.
*
* This is the main entry point for the storage server. It reads the
* configuration file, starts listening on a port, and proccesses
* commands from clients.
*/
int main(int argc, char *argv[])
{
char file_name[MAX_LOG_NAME] = "Server";
server_time_log = fopen("server_times.log", "a");
switch (LOGGING)
{
case 0:
server_log = NULL;
break;
case 1:
server_log = stdout;
break;
case 2:
server_log = fopen(generate_logfile(file_name), "w");
break;
}
// Process command line arguments.
// This program expects exactly one argument: the config file name.
assert(argc > 0);
if (argc != 2)
{
printf("Usage %s <config_file>\n", argv[0]);
exit(EXIT_FAILURE);
}
char *config_file = argv[1];
// Read the config file.
int status = read_config(config_file, ¶ms);
if (status != 0)
{
printf("Error processing config file.\n");
exit(EXIT_FAILURE);
}
sprintf(log_buffer, "server main: Server on %s:%d\n", params.server_host, params.server_port);
logger(server_log, log_buffer);
// Create a socket.
int listensock = socket(PF_INET, SOCK_STREAM, 0);
if (listensock < 0)
{
printf("Error creating socket.\n");
exit(EXIT_FAILURE);
}
// Allow listening port to be reused if defunct.
int yes = 1;
status = setsockopt(listensock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes);
if (status != 0)
{
printf("Error configuring socket.\n");
exit(EXIT_FAILURE);
}
// Bind it to the listening port.
struct sockaddr_in listenaddr;
memset(&listenaddr, 0, sizeof listenaddr);
listenaddr.sin_family = AF_INET;
listenaddr.sin_port = htons(params.server_port);
inet_pton(AF_INET, params.server_host, &(listenaddr.sin_addr)); // bind to local IP address
status = bind(listensock, (struct sockaddr*) &listenaddr, sizeof listenaddr);
if (status != 0)
{
printf("Error binding socket.\n");
exit(EXIT_FAILURE);
}
// Listen for connections.
status = listen(listensock, MAX_LISTENQUEUELEN);
if (status != 0)
{
printf("Error listening on socket.\n");
exit(EXIT_FAILURE);
}
status = create_tables();
if (status != 0)
{
printf("Error creating tables.\n");
delete_tables();
exit(EXIT_FAILURE);
}
int i;
if(strcmp(params.table_names[0], "census") == 0)
for(i = 0; i < params.num_tables; i++)
{
status = populate_database(params.table_names[i]);
if(status != 0)
{
printf("Error populating tables.\n");
delete_tables();
exit(EXIT_FAILURE);
}
}
// Listen loop.
int wait_for_connections = 1;
while (wait_for_connections)
{
// Wait for a connection.
struct sockaddr_in clientaddr;
socklen_t clientaddrlen = sizeof clientaddr;
int clientsock = accept(listensock, (struct sockaddr*)&clientaddr, &clientaddrlen);
if (clientsock < 0)
{
printf("Error accepting a connection.\n");
delete_tables();
exit(EXIT_FAILURE);
}
sprintf(log_buffer, "server main: Got a connection from %s:%d.\n", inet_ntoa(clientaddr.sin_addr), clientaddr.sin_port);
logger(server_log, log_buffer);
// Get commands from client.
int wait_for_commands = 1;
do
{
// Read a line from the client.
char cmd[MAX_CMD_LEN] = {0};
int status = recvline(clientsock, cmd, MAX_CMD_LEN);
if (status != 0)
{
// Either an error occurred or the client closed the connection.
wait_for_commands = 0;
}
else
{
// Handle the command from the client.
int status = handle_command(clientsock, cmd);
if (status != 0)
wait_for_commands = 0; // Oops. An error occured.
}
}
while (wait_for_commands);
// Close the connection with the client.
close(clientsock);
sprintf(log_buffer, "server main: Closed connection from %s:%d.\n", inet_ntoa(clientaddr.sin_addr), clientaddr.sin_port);
logger(server_log, log_buffer);
}
// Stop listening for connections.
close(listensock);
fprintf(server_time_log, "Total %d gets performed in %ld microseconds\n", n_gets, get_processing_time.tv_usec);
fprintf(server_time_log, "Total %d sets performed in %ld microseconds\n", n_sets, set_processing_time.tv_usec);
fclose(server_time_log);
delete_tables();
fclose(server_log);
return EXIT_SUCCESS;
}
int BC_FileBox::create_tables()
{
delete_tables();
char string[BCTEXTLEN];
BC_ListBoxItem *new_item;
fs->set_sort_order(sort_order);
fs->set_sort_field(column_type[sort_column]);
// Directory is entered before this from a random source
fs->update(0);
for(int i = 0; i < fs->total_files(); i++)
{
FileItem *file_item = fs->get_entry(i);
int is_dir = file_item->is_dir;
BC_Pixmap* icon = get_icon(file_item->name, is_dir);
// Name entry
new_item = new BC_ListBoxItem(file_item->name,
icon,
is_dir ? get_resources()->directory_color : get_resources()->file_color);
if(is_dir) new_item->set_searchable(0);
list_column[column_of_type(FILEBOX_NAME)].append(new_item);
// Size entry
// if(!want_directory)
// {
if(!is_dir)
{
sprintf(string, "%lld", file_item->size);
new_item = new BC_ListBoxItem(string, get_resources()->file_color);
}
else
{
new_item = new BC_ListBoxItem("", get_resources()->directory_color);
}
list_column[column_of_type(FILEBOX_SIZE)].append(new_item);
// }
// Date entry
if(!is_dir || 1)
{
static const char *month_text[13] =
{
"Null",
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
};
sprintf(string,
"%s %d, %d",
month_text[file_item->month],
file_item->day,
file_item->year);
new_item = new BC_ListBoxItem(string, get_resources()->file_color);
}
else
{
new_item = new BC_ListBoxItem("", get_resources()->directory_color);
}
list_column[column_of_type(FILEBOX_DATE)].append(new_item);
// Extension entry
// if(!want_directory)
// {
if(!is_dir)
{
extract_extension(string, file_item->name);
new_item = new BC_ListBoxItem(string, get_resources()->file_color);
}
else
{
new_item = new BC_ListBoxItem("", get_resources()->directory_color);
}
list_column[column_of_type(FILEBOX_EXTENSION)].append(new_item);
// }
}
return 0;
}