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#include "net.h"
void itob (char *buf, int n) {
buf[0] = (n >> 24) & 0xFF;
buf[1] = (n >> 16) & 0xFF;
buf[2] = (n >> 8) & 0xFF;
buf[3] = n & 0xFF;
}
int btoi (char *buf) {
int n = 0;
n += buf[0]*256*256*256;
n += buf[1]*256*256;
n += buf[2]*256;
n += buf[3];
return n;
}
void net_init () {
p_libsys_init ();
}
int net_open_socket(PSocket **socket, char ip[], int port) {
*socket = p_socket_new (P_SOCKET_FAMILY_INET,
P_SOCKET_TYPE_STREAM,
P_SOCKET_PROTOCOL_TCP,
NULL);
p_socket_set_blocking (*socket, FALSE);
p_socket_set_timeout (*socket, 10);
PSocketAddress *sock_addr = p_socket_address_new(ip, port);
int sender_port = 0;
if (p_socket_bind (*socket, sock_addr, FALSE, NULL) == FALSE) {
p_socket_free (*socket);
p_socket_address_free (sock_addr);
return 1;
} else {
p_socket_address_free (sock_addr);
PSocketAddress *local_addr = p_socket_get_local_address(*socket, NULL);
if (local_addr == NULL) {
p_socket_free (*socket);
p_uthread_exit (-1);
return 2;
}
sender_port = p_socket_address_get_port (local_addr);
p_socket_address_free (local_addr);
}
return 0;
}
int net_recv (PSocket *socket, char buffer[]) {
int len = 0;
for (int i=0; ; i++) {
psize recv_now = p_socket_receive (socket,
buffer+i*1024, 1024, NULL);
if (recv_now == -1) {
if (len > 0) {
printf("received (%d)\n", len);
return len;
}
printf("error recv\n");
return -1;
} else {
len += recv_now;
if (recv_now < 1024) {
printf("received (%d)\n", len);
return len;
}
}
}
printf("received (%d)\n", len);
return len;
}
void net_client_open(net_client *c) {
int err = net_open_socket(&c->socket, "127.0.0.1", 0);
if (err > 0) printf("error opening client socket: %d\n", err);
}
int net_client_connect (net_client *c, char ip[], int port) {
c->addr_server = p_socket_address_new(ip, port);
if (c->addr_server == NULL) printf("error client making server addr\n");
int is_connected = p_socket_connect(c->socket, c->addr_server, NULL);
if (is_connected == FALSE) {
if (p_socket_io_condition_wait
(c->socket, P_SOCKET_IO_CONDITION_POLLOUT, NULL) == TRUE &&
p_socket_check_connect_result (c->socket, NULL) == FALSE)
{
p_socket_address_free (c->addr_server);
p_socket_free (c->socket);
c->socket = NULL;
c->addr_server = NULL;
printf("error client socket freed\n");
return 1;
}
}
is_connected = p_socket_is_connected (c->socket);
if (is_connected == FALSE) {
printf("error client can't connect to %s:%d\n", ip, port);
return 1;
}
return 0;
}
void net_client_send (net_client *c, char data[], int sizeofdata) {
if(p_socket_is_connected (c->socket) == FALSE) {
printf("error client send lost connection\n");
}
PError *err;
int send_now = p_socket_send (c->socket, data, sizeofdata, &err);
if (send_now == -1) printf("error: %d\n", p_error_get_code(err));
}
int net_client_recv (net_client *c, char buffer[]) {
net_recv(c->socket, buffer);
}
void net_client_close (net_client *c) {
if (c->socket != NULL) p_socket_close (c->socket, NULL);
if (c->addr_server != NULL) p_socket_address_free (c->addr_server);
if (c->socket != NULL) p_socket_free (c->socket);
}
void net_server_open(net_server *s, char ip[], int port) {
int err = net_open_socket(&s->socket, ip, port);
if (err > 0) printf("error opening server socket: %d\n", err);
if (p_socket_listen (s->socket, NULL) == FALSE) {
printf("error server socket listen, nobody in.\n");
return;
}
}
void net_server_accept (net_server *s) {
pboolean poll = p_socket_io_condition_wait (s->socket,
P_SOCKET_IO_CONDITION_POLLIN, NULL);
if (poll == FALSE) {
printf("server socket, no one in queue\n");
return;
}
s->sock_client = p_socket_accept (s->socket, NULL);
if (s->sock_client == NULL) {
printf("server socket, no accept\n");
}
p_socket_set_blocking (s->sock_client, FALSE);
printf("connected\n");
}
int net_server_recv (net_server *s, char buffer[]) {
net_recv(s->sock_client, buffer);
}
void net_server_send (net_server *s, char data[], int sizeofdata) {
if(p_socket_is_connected (s->sock_client) == FALSE) {
printf("error client send lost connection\n");
return;
}
PError *err;
int send_now = p_socket_send (s->sock_client, data, sizeofdata, &err);
if (send_now == -1) printf("error: %d\n", p_error_get_code(err));
}
void net_server_close (net_server *s) {
if (s->socket != NULL) p_socket_close (s->socket, NULL);
if (s->sock_client != NULL) p_socket_free (s->sock_client);
if (s->socket != NULL) p_socket_free(s->socket);
}
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