/**
* 二つのナンプレ盤面配列が等しいか調べる
* @param a ナンプレ盤面配列1
* @param b ナンプレ盤面配列2
* @return 1 等しい
* @return 0 等しくない
*/
int equal(const numpl_array * a, const numpl_array * b)
{
for (int i = 0; i < ARRAY_SIZE; i++) {
if (a->ar[i].symbol != b->ar[i].symbol ||
a->ar[i].fixed != b->ar[i].fixed ||
is_single(a->ar[i]) != is_single(b->ar[i])) {
return 0;
}
}
return 1;
}
/**
* 再帰的解法（実体）
* 人間的な解法アルゴリズムは使わずに機械的解法で解く
* 機械的解法で解けないときは、複数候補のあるマスの候補から一つ選んで解けるか試す
* ということを再帰的に実行する。
* また、解が複数あるかどうかもチェックする。
* 解けたときは array に解をセットする。
* @param array ナンプレ盤面配列
* @param data 再帰用持ち回しデータ
* @return -1 矛盾があって解けない
* @return 1 解けた
* @return 2 解が複数存在する。
*/
static int recursion_solve_sub(numpl_array * array, recursion_solve_t *data)
{
numpl_array work;
work = *array;
int solved = simple_solve(&work);
if (solved < 0) {
return solved;
}
solved = is_solved(&work);
if (solved == 1) {
if (!data->saved) {
data->save = work;
data->saved = 1;
} else if (!equal(&data->save, &work)) {
solved = 2;
}
}
if (solved != 0) {
*array = work;
return solved;
}
int result = -1;
for (int i = 0; i < ARRAY_SIZE; i++) {
if (is_single(work.ar[i])) {
continue;
}
cell_t s = work.ar[i];
for (int j = 0; j < LINE_SIZE; j++) {
work.ar[i] = s;
unsigned int mask = s.symbol & (1 << j);
if (!mask) {
continue;
}
work.ar[i].symbol = mask;
solved = recursion_solve_sub(&work, data);
if (solved > 1) {
*array = work;
return solved;
} else if (solved == 1) {
*array = work;
result = 1;
}
}
break;
}
return result;
}
void sequence_formatter::log_current_state() const {
BOOST_LOG_SEV(lg, debug) << "Position: " << position_
<< " element separator: " << element_separator_
<< " is first: " << is_first()
<< " is last: " << is_last()
<< " is single: " << is_single();
BOOST_LOG_SEV(lg, debug) << "Prefix configuration: "
<< prefix_configuration_;
BOOST_LOG_SEV(lg, debug) << "Value for prefix position: "
<< value_for_position(prefix_configuration_);
BOOST_LOG_SEV(lg, debug) << "Postfix configuration: "
<< postfix_configuration_;
BOOST_LOG_SEV(lg, debug) << "Value for postfix position: "
<< value_for_position(postfix_configuration_);
}
/**
* マス１つ分の出力を作る
* 単一数字か固定なら[]で囲って出力する。そうでなければ候補をすべて出力
* @param str 出力文字列
* @param s 出力するマス
*/
static void to_string_detail(char str[3][4], cell_t s)
{
if (is_single(s) || s.fixed) {
int i = 1;
int count = 0;
for (uint16_t mask = 1; mask < FULL_SYMBOL; mask = mask << 1) {
if (s.symbol & mask) {
strcpy(str[0], " ");
strcpy(str[2], " ");
sprintf(str[1], "[%d]", i);
count++;
break;
}
i++;
}
if (count == 0) {
strcpy(str[0], " ");
if (s.fixed) {
strcpy(str[1], "$0$");
} else {
strcpy(str[1], "!0!");
}
strcpy(str[2], " ");
}
} else {
uint16_t mask = 1;
char st[LINE_SIZE + 1];
for (int i = 0; i < LINE_SIZE; i++) {
if (s.symbol & mask) {
st[i] = i + '1';
} else {
st[i] = ' ';
}
mask = mask << 1;
}
strncpy(str[0], &st[0], 3);
strncpy(str[1], &st[3], 3);
strncpy(str[2], &st[6], 3);
str[0][3] = '\0';
str[1][3] = '\0';
str[2][3] = '\0';
}
}
std::string sequence_formatter::
value_for_position(const infix_configuration& ic) const {
if (is_single()) {
if (!ic.first().empty()) {
// when we are single, first takes priority if supplied.
return ic.first();
}
return ic.last();
} else if (is_first() && !ic.first().empty()) {
// if is first and first has been supplied, it takes precedence.
return ic.first();
} else if (!is_last() && !ic.not_last().empty()) {
// if we are not last (including first) and not last has been
// supplied.
return ic.not_last();
} else if (!is_first() && (!is_last() || !ic.not_first().empty())) {
// when we are last, not first takes precedence if supplied.
return ic.not_first();
} else if (is_last())
return ic.last();
return empty;
}
/*
* MAIN
*/
int main(int argc, char *argv[]) {
int sock_fd;
int err;
int optval;
int conn;
struct sockaddr_in *addr, *client_addr;
socklen_t client_addr_size;
struct hsearch_data *htab;
pthread_t thread;
thdata *thread_data = malloc(sizeof(thdata));
// Create hashmap storage
htab = calloc(1, sizeof(struct hsearch_data));
if (hcreate_r(10000, htab) == -1) {
printf("Error on hcreate\n");
}
// Create socket
sock_fd = socket(AF_INET, SOCK_STREAM, 0);
if (sock_fd == -1) {
printf("Error creating socket: %d\n", errno);
}
// Allow address reuse
optval = 1;
err = setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(int));
if (err == -1) {
printf("Error setting SO_REUSEADDR on socket: %d\n", errno);
}
// bind
addr = calloc(1, sizeof(struct sockaddr_in));
addr->sin_family = AF_INET;
addr->sin_port = htons(11211); // htons: Convert to network byte order
addr->sin_addr.s_addr = INADDR_ANY;
err = bind(sock_fd, (struct sockaddr *)addr, sizeof(struct sockaddr));
free(addr);
if (err == -1) {
printf("bind error: %d\n", errno);
}
err = listen(sock_fd, 1);
if (err == -1) {
printf("listen error: %d\n", errno);
}
if (is_single(argc, argv)) {
client_addr = malloc(sizeof(struct sockaddr_in));
client_addr_size = sizeof(struct sockaddr);
conn = accept(sock_fd, (struct sockaddr *)client_addr, &client_addr_size);
free(client_addr);
thread_data->conn = conn;
thread_data->htab = htab;
handle_conn(thread_data);
close(conn);
} else {
while (1) {
client_addr = malloc(sizeof(struct sockaddr_in));
client_addr_size = sizeof(struct sockaddr);
conn = accept(
sock_fd,
(struct sockaddr *)client_addr,
&client_addr_size);
free(client_addr);
thread_data->conn = conn;
thread_data->htab = htab;
pthread_create(
&thread,
NULL,
handle_conn,
thread_data);
}
}
close(sock_fd);
free(thread_data);
hdestroy_r(htab);
free(htab);
return 0;
}
//
// Function:
// can_follow_poker
// Description:
// 根据请求，检查要出的牌是否合法。如果合法，则将牌的属性保存在pp。（用于接牌）
// Parameter:
// pp - 用于保存扑克牌序列的属性
// vec - 扑克牌的索引数组，其元素为指向POKER的索引，取值范围为0～53
// num - 索引数组的长度
// req - 请求出牌的属性
// Return:
// 操作成功返回true，否则返回false.
// Remark:
// 调用者需判断该函数的返回值，若返回false，表示无法判断牌的属性，该组牌
// 为不合法序列。
// 传入的参数 vec 为全局扑克牌的索引，而不是玩家当前牌的索引，否则，调用
// 该函数前需要进行转换。
//
POKER_API
bool can_follow_poker(POKER_PROPERTY* pp, int vec[], int num, POKER_PROPERTY* req)
{
int value;
assert((pp != NULL) && (req != NULL));
// 当前要出的牌是双王炸弹
if (is_king_bomb(vec, num, &value)) {
pp->type = BOMB;
goto can_follow;
}
// 当前要出的牌是炸弹
if (is_four_bomb(vec, num, &value)) {
if ((req->type != BOMB) || ((req->type == BOMB) && (value > req->value))) {
pp->type = BOMB;
goto can_follow;
} else {
return false;
}
}
// 当前要出的牌不是炸弹，但上家的牌是炸弹
if (req->type == BOMB) {
return false;
}
// 上家的牌不是炸弹，当前要打出的牌也不是炸弹
if (num != req->num) {
return false;
}
//
// 到这里，说明上家出的牌与当前要出的牌都不是炸弹，并且数量相等，因此，
// 只需要比较它们的类型和值即可。
//
switch (req->type) {
case SINGLE:
if (is_single(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case PAIR:
if (is_pair(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case TRIANGLE:
if (is_triangle(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case THREE_PLUS_ONE:
if (is_three_plus_one(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case THREE_PLUS_TWO:
if (is_three_plus_two(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case FOUR_PLUS_TWO:
if (is_four_plus_two(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case FOUR_PLUS_FOUR:
if (is_four_plus_four(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES:
if (is_series(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_PAIR:
if (is_series_pair(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_TRIANGLE:
if (is_series_triangle(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_THREE_PLUS_ONE:
if (is_series_three_plus_one(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_THREE_PLUS_TWO:
if (is_series_three_plus_two(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_FOUR:
if (is_series_four(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_FOUR_PLUS_TWO:
if (is_series_four_plus_two(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
case SERIES_FOUR_PLUS_FOUR:
if (is_series_four_plus_four(vec, num, &value)) {
goto type_matched;
} else {
return false;
}
default:
return false;
}
type_matched:
if (value <= req->value) {
return false;
}
pp->type = req->type;
can_follow:
pp->value = value;
pp->num = num;
return true;
}
//
// Function:
// get_poker_property
// Description:
// 获取出牌的相关属性
// Parameter:
// pp - [out] poker property if succeed
// vec - poker vector to be analyzed. The element are indexes to GLOBAL poker.
// num - poker num to be analyzed
// Return:
// E_NONE if everything is OK, else the pokers are not valid.
// Remark:
// the poker vector in array vec should be sorted in ascend.
//
POKER_RET get_poker_property(POKER_PROPERTY* pp, int vec[], int num)
{
int value;
assert(pp != NULL);
if (is_single(vec, num, &value)) {
pp->type = SINGLE;
goto match_succeed;
} else if (is_pair(vec, num, &value)) {
pp->type = PAIR;
goto match_succeed;
} else if (is_king_bomb(vec, num, &value)) {
pp->type = BOMB;
goto match_succeed;
} else if (is_triangle(vec, num, &value)) {
pp->type = TRIANGLE;
goto match_succeed;
} else if (is_four_bomb(vec, num, &value)) {
pp->type = BOMB;
goto match_succeed;
} else if (is_three_plus_one(vec, num, &value)) {
pp->type = THREE_PLUS_ONE;
goto match_succeed;
} else if (is_three_plus_two(vec, num, &value)) {
pp->type = THREE_PLUS_TWO;
goto match_succeed;
} else if (is_four_plus_two(vec, num, &value)) {
pp->type = FOUR_PLUS_TWO;
goto match_succeed;
} else if (is_four_plus_four(vec, num, &value)) {
pp->type = FOUR_PLUS_FOUR;
goto match_succeed;
} else if (is_series(vec, num, &value)) {
pp->type = SERIES;
goto match_succeed;
} else if (is_series_pair(vec, num, &value)) {
pp->type = SERIES_PAIR;
goto match_succeed;
} else if (is_series_triangle(vec, num, &value)) {
pp->type = SERIES_TRIANGLE;
goto match_succeed;
} else if (is_series_three_plus_one(vec, num, &value)) {
pp->type = SERIES_THREE_PLUS_ONE;
goto match_succeed;
} else if (is_series_three_plus_two(vec, num, &value)) {
pp->type = SERIES_THREE_PLUS_TWO;
goto match_succeed;
} else if (is_series_four(vec, num, &value)) {
pp->type = SERIES_FOUR;
goto match_succeed;
} else if (is_series_four_plus_two(vec, num, &value)) {
pp->type = SERIES_FOUR_PLUS_TWO;
goto match_succeed;
} else if (is_series_four_plus_four(vec, num, &value)) {
pp->type = SERIES_FOUR_PLUS_FOUR;
goto match_succeed;
} else {
return E_INVALID;
}
match_succeed:
pp->value = value;
pp->num = num;
return E_NONE;
}
