#endif
+#if !defined(__LINUX__) && !defined(__FREEBSD__)
+# define CAN_USE_TIMEOUT
+#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__)
+# if (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 1)
+# define CAN_USE_TIMEOUT
+# endif
+#endif
+
/* Global initialisers */
bool GSocket_Init()
socket->m_fd = -1;
for (i=0;i<GSOCK_MAX_EVENT;i++) {
- socket->m_fbacks[i] = NULL;
+ socket->m_cbacks[i] = NULL;
socket->m_iocalls[i] = FALSE;
}
socket->m_local = NULL;
socket->m_server = FALSE;
socket->m_stream = TRUE;
socket->m_gui_dependent = NULL;
- socket->m_blocking = FALSE;
+ socket->m_non_blocking = FALSE;
socket->m_timeout = 10*60*1000;
- // 10 minutes * 60 sec * 1000 millisec
+ /* 10 minutes * 60 sec * 1000 millisec */
/* We initialize the GUI specific entries here */
_GSocket_GUI_Init(socket);
/* If socket has been created, we shutdown it */
if (socket->m_fd != -1) {
- shutdown(socket->m_fd, 2);
+ /* Only oriented connection should be shutdowned */
+ if (socket->m_oriented)
+ shutdown(socket->m_fd, 2);
close(socket->m_fd);
socket->m_fd = -1;
}
socket->m_error = GSOCK_MEMERR;
return NULL;
}
- if (!_GAddress_translate_from(address, &addr, size)) {
- socket->m_error = GSOCK_MEMERR;
+ if (_GAddress_translate_from(address, &addr, size) != GSOCK_NOERROR) {
GAddress_destroy(address);
return NULL;
}
/* We always have a stream here */
sck->m_stream = TRUE;
+ sck->m_server = TRUE;
/* Create the socket */
sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
return GSOCK_IOERR;
}
- GSocket_SetNonBlocking(sck, sck->m_blocking);
+ GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
return GSOCK_NOERROR;
return GSOCK_IOERR;
}
- GSocket_SetNonBlocking(sck, sck->m_blocking);
+ GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
return GSOCK_NOERROR;
/* It is not a server */
sck->m_server = FALSE;
- GSocket_SetNonBlocking(sck, sck->m_blocking);
+ GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
return GSOCK_NOERROR;
{
assert(socket != NULL);
- socket->m_blocking = block;
+ socket->m_non_blocking = non_block;
if (socket->m_fd != -1)
- ioctl(socket->m_fd, FIONBIO, &block);
+ ioctl(socket->m_fd, FIONBIO, &non_block);
}
/*
* GSocket_SetTimeout()
*/
-#ifndef LINUX
-# define CAN_USE_TIMEOUT
-#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__)
-# if (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 1)
-# define CAN_USE_TIMEOUT
-# endif
-#endif
-
void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
{
assert(socket != NULL);
+ socket->m_timeout = millisec;
/* Neither GLIBC 2.0 nor the kernel 2.0.36 define SO_SNDTIMEO or
SO_RCVTIMEO. The man pages, that these flags should exist but
are read only. RR. */
/* OK, restrict this to GLIBC 2.1. GL. */
+ /* Anyway, they seem to pose problems: I need to know the socket level and
+ it varies (may be SOL_TCP, SOL_UDP, ...). I disables this and use the
+ other solution. GL. */
+#if 0
#ifdef CAN_USE_TIMEOUT
- socket->m_timeout = millisec;
if (socket->m_fd != -1) {
struct timeval tval;
setsockopt(socket->m_fd, SOL_SOCKET, SO_RCVTIMEO, &tval, sizeof(tval));
}
#endif
+#endif
}
/*
/* Callbacks */
/*
- Only one fallback is possible for each event (INPUT, OUTPUT, CONNECTION)
+ Only one callback is possible for each event (INPUT, OUTPUT, CONNECTION)
INPUT: The function is called when there is at least a byte in the
input buffer
OUTPUT: The function is called when the system is sure the next write call
CONNECTION -> GSocket_Accept()
*/
void GSocket_SetCallback(GSocket *socket, GSocketEventFlags event,
- GSocketCallback fallback, char *cdata)
+ GSocketCallback callback, char *cdata)
{
int count;
/* We test each flag and, if it is enabled, we enable the corresponding
event */
if ((event & (1 << count)) != 0) {
- socket->m_fbacks[count] = fallback;
+ socket->m_cbacks[count] = callback;
socket->m_data[count] = cdata;
_GSocket_Enable(socket, count);
}
}
/*
- UnsetCallback will disables all fallbacks specified by "event".
+ UnsetCallback will disables all callbacks specified by "event".
NOTE: event may be a combination of flags
*/
void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags event)
for (count=0;count<GSOCK_MAX_EVENT;count++) {
if ((event & (1 << count)) != 0) {
_GSocket_Disable(socket, count);
- socket->m_fbacks[count] = NULL;
+ socket->m_cbacks[count] = NULL;
}
}
}
#define CALL_FALLBACK(socket, event) \
if (socket->m_iocalls[event] && \
- socket->m_fbacks[event]) {\
+ socket->m_cbacks[event]) {\
_GSocket_Disable(socket, event); \
- socket->m_fbacks[event](socket, event, \
+ socket->m_cbacks[event](socket, event, \
socket->m_data[event]); \
}
signal(SIGPIPE, old_handler); \
}
+#define ENABLE_TIMEOUT(socket) \
+{ \
+ struct itimerval old_ival, new_ival; \
+ void (*old_timer_sig)(int); \
+\
+ old_timer_sig = signal(SIGALRM, SIG_DFL); \
+ siginterrupt(SIGALRM, 1); \
+ new_ival.it_value.tv_sec = socket->m_timeout / 1000; \
+ new_ival.it_value.tv_usec = (socket->m_timeout % 1000) * 1000; \
+ new_ival.it_interval.tv_sec = 0; \
+ new_ival.it_interval.tv_usec = 0; \
+ setitimer(ITIMER_REAL, &new_ival, &old_ival);
+
+#define DISABLE_TIMEOUT(socket) \
+ signal(SIGALRM, old_timer_sig); \
+ siginterrupt(SIGALRM, 0); \
+ setitimer(ITIMER_REAL, &old_ival, NULL); \
+}
+
void _GSocket_Enable(GSocket *socket, GSocketEvent event)
{
socket->m_iocalls[event] = TRUE;
- if (socket->m_fbacks[event])
+ if (socket->m_cbacks[event])
_GSocket_Install_Callback(socket, event);
}
void _GSocket_Disable(GSocket *socket, GSocketEvent event)
{
socket->m_iocalls[event] = FALSE;
- if (socket->m_fbacks[event])
+ if (socket->m_cbacks[event])
_GSocket_Uninstall_Callback(socket, event);
}
int ret;
MASK_SIGNAL();
+ ENABLE_TIMEOUT(socket);
ret = recv(socket->m_fd, buffer, size, 0);
+ DISABLE_TIMEOUT(socket);
UNMASK_SIGNAL();
- if (ret == -1 && errno != EAGAIN) {
+
+ if (ret == -1 && errno != EWOULDBLOCK) {
socket->m_error = GSOCK_IOERR;
return -1;
}
- if (errno == EAGAIN) {
- socket->m_error = GSOCK_TRYAGAIN;
+ if (errno == EWOULDBLOCK) {
+ socket->m_error = GSOCK_WOULDBLOCK;
return -1;
}
return ret;
fromlen = sizeof(from);
MASK_SIGNAL();
+ ENABLE_TIMEOUT(socket);
ret = recvfrom(socket->m_fd, buffer, size, 0, &from, &fromlen);
+ DISABLE_TIMEOUT(socket);
UNMASK_SIGNAL();
- if (ret == -1 && errno != EAGAIN) {
+ if (ret == -1 && errno != EWOULDBLOCK) {
socket->m_error = GSOCK_IOERR;
return -1;
}
- if (errno == EAGAIN) {
- socket->m_error = GSOCK_TRYAGAIN;
+ if (errno == EWOULDBLOCK) {
+ socket->m_error = GSOCK_WOULDBLOCK;
return -1;
}
return -1;
}
}
- if (!_GAddress_translate_from(socket->m_peer, &from, fromlen)) {
- socket->m_error = GSOCK_MEMERR;
+ if (_GAddress_translate_from(socket->m_peer, &from, fromlen) != GSOCK_NOERROR)
return -1;
- }
return ret;
}
int ret;
MASK_SIGNAL();
+ ENABLE_TIMEOUT(socket);
ret = send(socket->m_fd, buffer, size, 0);
+ DISABLE_TIMEOUT(socket);
UNMASK_SIGNAL();
- if (ret == -1 && errno != EAGAIN) {
+ if (ret == -1 && errno != EWOULDBLOCK) {
socket->m_error = GSOCK_IOERR;
return -1;
}
- if (errno == EAGAIN) {
- socket->m_error = GSOCK_TRYAGAIN;
+ if (errno == EWOULDBLOCK) {
+ socket->m_error = GSOCK_WOULDBLOCK;
return -1;
}
return ret;
return -1;
}
- if (!_GAddress_translate_to(socket->m_peer, &addr, &len)) {
- socket->m_error = GSOCK_MEMERR;
+ if (_GAddress_translate_to(socket->m_peer, &addr, &len) != GSOCK_NOERROR) {
return -1;
}
MASK_SIGNAL();
+ ENABLE_TIMEOUT(socket);
ret = sendto(socket->m_fd, buffer, size, 0, addr, len);
+ DISABLE_TIMEOUT(socket);
UNMASK_SIGNAL();
/* Frees memory allocated from _GAddress_translate_to */
free(addr);
- if (ret == -1 && errno != EAGAIN) {
+ if (ret == -1 && errno != EWOULDBLOCK) {
socket->m_error = GSOCK_IOERR;
return -1;
}
- if (errno == EAGAIN) {
- socket->m_error = GSOCK_TRYAGAIN;
+ if (errno == EWOULDBLOCK) {
+ socket->m_error = GSOCK_WOULDBLOCK;
return -1;
}
#define CHECK_ADDRESS(address, family, retval) \
{ \
if (address->m_family == GSOCK_NOFAMILY) \
- if (!_GAddress_Init_##family(address)) {\
- address->m_error = GSOCK_MEMERR; \
- return retval; \
+ if (_GAddress_Init_##family(address) != GSOCK_NOERROR) {\
+ return address->m_error; \
}\
if (address->m_family != GSOCK_##family) {\
address->m_error = GSOCK_INVADDR; \
return address->m_family;
}
-bool _GAddress_translate_from(GAddress *address, struct sockaddr *addr, int len){
+GSocketError _GAddress_translate_from(GAddress *address, struct sockaddr *addr, int len){
address->m_realfamily = addr->sa_family;
switch (addr->sa_family) {
case AF_INET:
#endif
default:
{
- /* TODO error */
+ address->m_error = GSOCK_INVOP;
+ return GSOCK_INVOP;
}
}
address->m_len = len;
address->m_addr = (struct sockaddr *)malloc(len);
- if (address->m_addr == NULL)
- return FALSE;
+ if (address->m_addr == NULL) {
+ address->m_error = GSOCK_MEMERR;
+ return GSOCK_MEMERR;
+ }
memcpy(address->m_addr, addr, len);
- return TRUE;
+ return GSOCK_NOERROR;
}
-bool _GAddress_translate_to(GAddress *address,
- struct sockaddr **addr, int *len)
+GSocketError _GAddress_translate_to(GAddress *address,
+ struct sockaddr **addr, int *len)
{
if (!address->m_addr) {
- /* TODO error */
- return;
+ address->m_error = GSOCK_INVADDR;
+ return GSOCK_INVADDR;
}
*len = address->m_len;
*addr = (struct sockaddr *)malloc(address->m_len);
- if (*addr == NULL)
- return FALSE;
+ if (*addr == NULL) {
+ address->m_error = GSOCK_MEMERR;
+ return GSOCK_MEMERR;
+ }
memcpy(*addr, address->m_addr, address->m_len);
- return TRUE;
+ return GSOCK_NOERROR;
}
/*
* -------------------------------------------------------------------------
*/
-bool _GAddress_Init_INET(GAddress *address)
+GSocketError _GAddress_Init_INET(GAddress *address)
{
address->m_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in));
- if (address->m_addr == NULL)
- return FALSE;
+ if (address->m_addr == NULL) {
+ address->m_error = GSOCK_MEMERR;
+ return GSOCK_MEMERR;
+ }
address->m_len = sizeof(struct sockaddr_in);
((struct sockaddr_in *)address->m_addr)->sin_family = AF_INET;
((struct sockaddr_in *)address->m_addr)->sin_addr.s_addr = INADDR_ANY;
- return TRUE;
+ return GSOCK_NOERROR;
}
GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
/* If it is a numeric host name, convert it now */
+#if defined(HAVE_INET_ATON)
if (inet_aton(hostname, addr) == 0) {
+#elif defined(HAVE_INET_ADDR)
+ /* Fix from Guillermo Rodriguez Garcia <guille@iies.es> */
+ if ( (addr->s_addr = inet_addr(hostname)) == -1 ) {
+#else
+ /* Use gethostbyname by default */
+ if (1) {
+#endif
struct in_addr *array_addr;
/* It is a real name, we solve it */
if (!port) {
address->m_error = GSOCK_INVPORT;
- return GSOCK_INVOP;
+ return GSOCK_INVPORT;
}
se = getservbyname(port, protocol);
* -------------------------------------------------------------------------
*/
-bool _GAddress_Init_UNIX(GAddress *address)
+GSocketError _GAddress_Init_UNIX(GAddress *address)
{
address->m_addr = (struct sockaddr *)malloc(address->m_len);
- if (address->m_addr == NULL)
- return FALSE;
+ if (address->m_addr == NULL) {
+ address->m_error = GSOCK_MEMERR;
+ return GSOCK_MEMERR;
+ }
address->m_len = sizeof(struct sockaddr_un);
address->m_family = GSOCK_UNIX;
return GSOCK_NOERROR;
}
-#endif // wxUSE_SOCKETS
+#endif
+ /* wxUSE_SOCKETS */