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#import <string.h>
#import <unistd.h>
#import <fcntl.h>
#import "OFTCPSocket.h"
#import "OFExceptions.h"
#ifndef _WIN32 /* FIXME */
#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif
@implementation OFTCPSocket
+ (void)startup
{
#ifdef _WIN32
WSADATA wsa;
if (WSAStartup(MAKEWORD(2, 0), &wsa))
@throw [OFInitializationFailedException newWithClass: self];
#endif
}
- init
{
if ((self = [super init])) {
sock = -1;
sock = INVALID_SOCKET;
saddr = NULL;
saddr_len = 0;
}
return self;
}
- free
{
if (sock >= 0)
if (sock != INVALID_SOCKET)
close(sock);
return [super free];
}
- setSocket: (int)socket
{
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{
struct addrinfo hints, *res, *res0;
char portstr[6];
if (!port)
@throw [OFInvalidPortException newWithObject: self];
if (sock >= 0)
if (sock != INVALID_SOCKET)
@throw [OFAlreadyConnectedException newWithObject: self];
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, 6, "%d", port);
if (getaddrinfo(host, portstr, &hints, &res0))
@throw [OFAddressTranslationFailedException
newWithObject: self
andNode: host
andService: portstr];
for (res = res0; res != NULL; res = res->ai_next) {
if ((sock = socket(res->ai_family, res->ai_socktype,
res->ai_protocol)) < 0)
res->ai_protocol)) == INVALID_SOCKET)
continue;
if (connect(sock, res->ai_addr, res->ai_addrlen) < 0) {
if (connect(sock, res->ai_addr, res->ai_addrlen) == -1) {
close(sock);
sock = -1;
sock = INVALID_SOCKET;
continue;
}
break;
}
freeaddrinfo(res0);
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFConnectionFailedException newWithObject: self
andHost: host
andPort: port];
return self;
}
- bindOn: (const char*)host
withPort: (uint16_t)port
andFamily: (int)family
{
struct addrinfo hints, *res;
char portstr[6];
if (!port)
@throw [OFInvalidPortException newWithObject: self];
if (sock >= 0)
if (sock != INVALID_SOCKET)
@throw [OFAlreadyConnectedException newWithObject: self];
if ((sock = socket(family, SOCK_STREAM, 0)) < 0)
if ((sock = socket(family, SOCK_STREAM, 0)) == INVALID_SOCKET)
@throw [OFBindFailedException newWithObject: self
andHost: host
andPort: port
andFamily: family];
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = family;
hints.ai_socktype = SOCK_STREAM;
snprintf(portstr, 6, "%d", port);
if (getaddrinfo(host, portstr, &hints, &res))
@throw [OFAddressTranslationFailedException
newWithObject: self
andNode: host
andService: portstr];
if (bind(sock, res->ai_addr, res->ai_addrlen) < 0) {
if (bind(sock, res->ai_addr, res->ai_addrlen) == -1) {
freeaddrinfo(res);
@throw [OFBindFailedException newWithObject: self
andHost: host
andPort: port
andFamily: family];
}
freeaddrinfo(res);
return self;
}
- listenWithBackLog: (int)backlog
{
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
if (listen(sock, backlog) < 0)
if (listen(sock, backlog) == -1)
@throw [OFListenFailedException newWithObject: self
andBackLog: backlog];
return self;
}
- listen
{
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
if (listen(sock, 5) < 0)
if (listen(sock, 5) == -1)
@throw [OFListenFailedException newWithObject: self
andBackLog: 5];
return self;
}
- (OFTCPSocket*)accept
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@try {
addr = [newsock getMemWithSize: sizeof(struct sockaddr)];
} @catch(id e) {
[newsock free];
@throw e;
}
if ((s = accept(sock, addr, &addrlen)) < 0) {
if ((s = accept(sock, addr, &addrlen)) == INVALID_SOCKET) {
[newsock free];
@throw [OFAcceptFailedException newWithObject: self];
}
[newsock setSocket: s];
[newsock setSocketAddress: addr
withLength: addrlen];
return newsock;
}
- (size_t)readNBytes: (size_t)size
intoBuffer: (uint8_t*)buf
{
ssize_t ret;
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
if ((ret = recv(sock, buf, size, 0)) < 0)
if ((ret = recv(sock, (char*)buf, size, 0)) < 1)
@throw [OFReadFailedException newWithObject: self
andSize: size];
/* This is safe, as we already checked < 0 */
/* This is safe, as we already checked < 1 */
return ret;
}
- (uint8_t*)readNBytes: (size_t)size
{
uint8_t *ret;
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
ret = [self getMemWithSize: size];
@try {
[self readNBytes: size
intoBuffer: ret];
} @catch (id exception) {
[self freeMem: ret];
@throw exception;
}
return ret;
}
- (size_t)writeNBytes: (size_t)size
fromBuffer: (const uint8_t*)buf
{
ssize_t ret;
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
if ((ret = send(sock, buf, size, 0)) < 0)
if ((ret = send(sock, (char*)buf, size, 0)) == -1)
@throw [OFWriteFailedException newWithObject: self
andSize: size];
/* This is safe, as we already checked < 0 */
/* This is safe, as we already checked for -1 */
return ret;
}
- (size_t)writeCString: (const char*)str
{
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
return [self writeNBytes: strlen(str)
fromBuffer: (const uint8_t*)str];
}
- setBlocking: (BOOL)enable
{
#ifndef _WIN32
int flags;
if ((flags = fcntl(sock, F_GETFL)) < 0)
if ((flags = fcntl(sock, F_GETFL)) == -1)
@throw [OFSetOptionFailedException newWithObject: self];
if (enable)
flags &= ~O_NONBLOCK;
else
flags |= O_NONBLOCK;
if (fcntl(sock, F_SETFL, flags) < 0)
if (fcntl(sock, F_SETFL, flags) == -1)
@throw [OFSetOptionFailedException newWithObject: self];
#else
u_long v = enable;
if (ioctlsocket(sock, FIONBIO, &v) == SOCKET_ERROR)
@throw [OFSetOptionFailedException newWithObject: self];
#endif
return self;
}
- enableKeepAlives: (BOOL)enable
{
int v = enable;
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &enable,
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (char*)&v, sizeof(v)))
sizeof(enable)) != 0)
if (sock < 0)
if (sock == INVALID_SOCKET)
@throw [OFNotConnectedException newWithObject: self];
sock = -1;
sock = INVALID_SOCKET;
if (saddr != NULL)
[self freeMem: saddr];
saddr_len = 0;
return self;
}
@end
#endif
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