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#import <string.h>
#import <unistd.h>
#import "OFTCPSocket.h"
#import "OFExceptions.h"
@implementation OFTCPSocket
- free
{
if (sock >= 0)
close(sock);
return [super free];
}
- connectTo: (const char*)host
onPort: (uint16_t)port
{
struct addrinfo hints, *res, *res0;
char portstr[6];
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)) {
/* FIXME: Throw exception */
return NULL;
}
for (res = res0; res != NULL; res = res->ai_next) {
if ((sock = socket(res->ai_family, res->ai_socktype,
res->ai_protocol)) < 0)
continue;
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#import <string.h>
#import <unistd.h>
#import "OFTCPSocket.h"
#import "OFExceptions.h"
@implementation OFTCPSocket
- init
{
if ((self = [super init])) {
sock = -1;
saddr = NULL;
saddr_len = 0;
}
return self;
}
- free
{
if (sock >= 0)
close(sock);
return [super free];
}
- setSocket: (int)socket
{
sock = socket;
return self;
}
- setSocketAddress: (struct sockaddr*)sockaddr
withLength: (socklen_t)len
{
saddr = sockaddr;
saddr_len = len;
return self;
}
- connectTo: (const char*)host
onPort: (uint16_t)port
{
struct addrinfo hints, *res, *res0;
char portstr[6];
if (!port) {
/* FIXME: Throw exception */
return nil;
}
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)) {
/* FIXME: Throw exception */
return nil;
}
for (res = res0; res != NULL; res = res->ai_next) {
if ((sock = socket(res->ai_family, res->ai_socktype,
res->ai_protocol)) < 0)
continue;
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if (sock < 0) {
/* FIXME: Throw exception */
return nil;
}
return self;
}
- (size_t)readNBytes: (size_t)size
intoBuffer: (uint8_t*)buf
{
ssize_t ret;
if ((ret = recv(sock, buf, size, 0)) < 0) {
/* FIXME: Throw exception */
return 0;
}
/* This is safe, as we already checked < 0 */
return ret;
}
- (uint8_t*)readNBytes: (size_t)size
{
uint8_t *ret;
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 ((ret = send(sock, buf, size, 0)) < 0) {
/* FIXME: Throw exception */
return 0;
}
/* This is safe, as we already checked < 0 */
return ret;
}
- (size_t)writeCString: (const char*)str
{
return [self writeNBytes: strlen(str)
fromBuffer: (const uint8_t*)str];
}
- close
{
if (sock < 0) {
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if (sock < 0) {
/* FIXME: Throw exception */
return nil;
}
return self;
}
- bindOn: (const char*)host
withPort: (uint16_t)port
andFamily: (int)family
{
struct addrinfo hints, *res;
char portstr[6];
if (!port) {
/* FIXME: Throw exception */
return nil;
}
if ((sock = socket(family, SOCK_STREAM, 0)) < 0) {
/* FIXME: Throw exception */
return nil;
}
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)) {
/* FIXME: Throw exception */
return nil;
}
if (bind(sock, res->ai_addr, res->ai_addrlen) < 0) {
/* FIXME: Throw exception */
freeaddrinfo(res);
return nil;
}
freeaddrinfo(res);
return self;
}
- listenWithBackLog: (int)backlog
{
if (sock < 0) {
/* FIXME: Throw exception */
return nil;
}
if (listen(sock, backlog) < 0 ) {
/* FIXME: Throw exception */
return nil;
}
return self;
}
- listen
{
if (sock < 0) {
/* FIXME: Throw exception */
return nil;
}
if (listen(sock, 5) < 0 ) {
/* FIXME: Throw exception */
return nil;
}
return self;
}
- (OFTCPSocket*)accept
{
OFTCPSocket *newsock;
struct sockaddr *addr;
socklen_t addrlen;
int s;
newsock = [OFTCPSocket new];
addrlen = sizeof(struct sockaddr);
@try {
addr = [newsock getMemWithSize: sizeof(struct sockaddr)];
} @catch(id e) {
[newsock free];
@throw e;
}
if ((s = accept(sock, addr, &addrlen)) < 0) {
/* FIXME: Throw exception */
return nil;
}
[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) {
/* FIXME: Throw exception */
return 0;
}
if ((ret = recv(sock, buf, size, 0)) < 0) {
/* FIXME: Throw exception */
return 0;
}
/* This is safe, as we already checked < 0 */
return ret;
}
- (uint8_t*)readNBytes: (size_t)size
{
uint8_t *ret;
if (sock < 0) {
/* FIXME: Throw exception */
return NULL;
}
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) {
/* FIXME: Throw exception */
return 0;
}
if ((ret = send(sock, buf, size, 0)) < 0) {
/* FIXME: Throw exception */
return 0;
}
/* This is safe, as we already checked < 0 */
return ret;
}
- (size_t)writeCString: (const char*)str
{
if (sock < 0) {
/* FIXME: Throw exception */
return 0;
}
return [self writeNBytes: strlen(str)
fromBuffer: (const uint8_t*)str];
}
- close
{
if (sock < 0) {
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