/* Print errors to stderr if occured.
* Returns true if error occured and false in normally case. */
bool get_file_hash(u256_t hash, const char * filepath)
{
reader_state rs;
u256_t message;
if (open_reader(&rs, filepath))
{
print_error(stderr, rs.err_msg);
return rs.err;
}
hasher_state hs;
init_hasher(&hs);
do
{
int cnt = read_u256(&rs, message);
if (cnt < 1)
{
if (!rs.err && rs.eof)
{
break;
}
// Ignore possible close errors.
close_reader(&rs);
print_error(stderr, rs.err_msg);
return rs.err;
}
make_hasher_step(&hs, message, cnt);
}
while (!rs.eof);
// As defined in GOST R 34.11-94.
if (rs.filesize == 0)
{
make_hasher_step(&hs, message, 0u);
}
if (close_reader(&rs))
{
print_error(stderr, rs.err_msg);
return rs.err;
}
get_hash(hash, &hs);
return rs.err;
}
void process_command_connection(int con, int i2c_handle, bool verbose)
{
char request[256];
char *back;
char response[256];
struct line_reader reader;
init_line_reader(&reader, read_from_socket, BUFFER_SIZE, &con);
while (1) {
int result = read_line(&reader, request, sizeof(request));
if (result != 0) break;
/* Get rid of any trailing \r or \n. */
back = request + strlen(request) - 1;
while (back >= request && (*back == '\n' || *back == '\r'))
*(back--) = 0;
if (verbose) printf("Request: %s\n", request);
if (strncmp("ping", request, 4) == 0)
{
process_ping_command(request, response, sizeof(response));
}
else if (strncmp("get", request, 3) == 0) {
process_get_command(request, i2c_handle, response, sizeof(response));
}
else if (strncmp("set", request, 3) == 0) {
process_set_command(request, i2c_handle, response, sizeof(response));
}
else if (strncmp("addpoll", request, 7) == 0) {
process_add_poll_command(request, response, sizeof(response));
}
else if (strncmp("rmpoll", request, 5) == 0) {
process_remove_poll_command(request, response, sizeof(response));
}
else if (strncmp("help", request, 4) == 0) {
process_help(request, response, sizeof(response));
}
else
{
fprintf(stderr, "ERROR: unknown command\n");
strcpy(response, "ERROR\r\n");
}
if (verbose) printf("Response: %s", response);
result = send(con, response, strlen(response), MSG_NOSIGNAL);
if (result != strlen(response)) {
fprintf(stderr, "ERROR: Error writing to socket\n");
break;
}
}
close_reader(&reader);
}
void close_db(struct db *db)
{
close_logger(db->w);
close_reader(db->r);
free_bag(db->bag);
}
