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#include "pipe/p_compiler.h"
#include "util/u_network.h"
#include "util/u_debug.h"
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
# include <windows.h>
# include <winsock.h>
#elif defined(PIPE_OS_LINUX)
# include <sys/socket.h>
# include <netinet/in.h>
# include <unistd.h>
# include <fcntl.h>
# include <netdb.h>
#else
# warning "No socket implementation"
#endif
boolean
u_socket_init()
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
WORD wVersionRequested;
WSADATA wsaData;
int err;
/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
wVersionRequested = MAKEWORD(1, 1);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
debug_printf("WSAStartup failed with error: %d\n", err);
return FALSE;
}
return TRUE;
#elif defined(PIPE_HAVE_SOCKETS)
return TRUE;
#else
return FALSE;
#endif
}
void
u_socket_stop()
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
WSACleanup();
#endif
}
void
u_socket_close(int s)
{
if (s < 0)
return;
#if defined(PIPE_OS_LINUX)
shutdown(s, SHUT_RDWR);
close(s);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
shutdown(s, SD_BOTH);
closesocket(s);
#else
assert(0);
#endif
}
int u_socket_accept(int s)
{
#if defined(PIPE_HAVE_SOCKETS)
return accept(s, NULL, NULL);
#else
return -1;
#endif
}
int
u_socket_send(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return send(s, data, size, 0);
#else
return -1;
#endif
}
int
u_socket_peek(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return recv(s, data, size, MSG_PEEK);
#else
return -1;
#endif
}
int
u_socket_recv(int s, void *data, size_t size)
{
#if defined(PIPE_HAVE_SOCKETS)
return recv(s, data, size, 0);
#else
return -1;
#endif
}
int
u_socket_connect(const char *hostname, uint16_t port)
{
#if defined(PIPE_HAVE_SOCKETS)
int s;
struct sockaddr_in sa;
struct hostent *host = NULL;
memset(&sa, 0, sizeof(struct sockaddr_in));
host = gethostbyname(hostname);
if (!host)
return -1;
memcpy((char *)&sa.sin_addr,host->h_addr,host->h_length);
sa.sin_family= host->h_addrtype;
sa.sin_port = htons(port);
s = socket(host->h_addrtype, SOCK_STREAM, IPPROTO_TCP);
if (s < 0)
return -1;
if (connect(s, (struct sockaddr *)&sa, sizeof(sa))) {
u_socket_close(s);
return -1;
}
return s;
#else
assert(0);
return -1;
#endif
}
int
u_socket_listen_on_port(uint16_t portnum)
{
#if defined(PIPE_HAVE_SOCKETS)
int s;
struct sockaddr_in sa;
memset(&sa, 0, sizeof(struct sockaddr_in));
sa.sin_family = AF_INET;
sa.sin_port = htons(portnum);
s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s < 0)
return -1;
if (bind(s, (struct sockaddr *)&sa, sizeof(struct sockaddr_in)) == -1) {
u_socket_close(s);
return -1;
}
listen(s, 0);
return s;
#else
assert(0);
return -1;
#endif
}
void
u_socket_block(int s, boolean block)
{
#if defined(PIPE_OS_LINUX)
int old = fcntl(s, F_GETFL, 0);
if (old == -1)
return;
/* TODO obey block */
if (block)
fcntl(s, F_SETFL, old & ~O_NONBLOCK);
else
fcntl(s, F_SETFL, old | O_NONBLOCK);
#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
u_long iMode = block ? 0 : 1;
ioctlsocket(s, FIONBIO, &iMode);
#else
assert(0);
#endif
}
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