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Improve windows support

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cozis
2025-07-21 21:54:56 +02:00
parent 58f8ace725
commit 17b4c3d91a
2 changed files with 126 additions and 16 deletions
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src/socket.c
+63 -8
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@@ -260,6 +260,42 @@ bool socket_died(Socket *sock)
// TODO: when is the pending_connect data freed?
static bool connect_pending(void)
{
#ifdef _WIN32
return WSAGetLastError() == WSAEWOULDBLOCK;
#else
return errno == EINPROGRESS;
#endif
}
static bool
connect_failed_because_or_peer_2(int err)
{
#ifdef _WIN32
return err == WSAECONNREFUSED
|| err == WSAETIMEDOUT
|| err == WSAENETUNREACH
|| err == WSAEHOSTUNREACH;
#else
return errno == ECONNREFUSED
|| errno == ETIMEDOUT
|| errno == ENETUNREACH
|| errno == EHOSTUNREACH;
#endif
}
static bool
connect_failed_because_or_peer(void)
{
#ifdef _WIN32
int err = WSAGetLastError();
#else
int err = errno;
#endif
return connect_failed_because_or_peer_2(err);
}
// Processes the socket until it's either ready, died, or would block
void socket_update(Socket *sock)
{
@@ -367,8 +403,8 @@ void socket_update(Socket *sock)
again = true;
break;
}
if (ret < 0 && errno == EINPROGRESS) { // TODO: I'm pretty sure all the error numbers need to be changed for windows
if (connect_pending()) { // TODO: I'm pretty sure all the error numbers need to be changed for windows
// Connection pending
sock->raw = raw;
sock->state = SOCKET_STATE_CONNECTING;
@@ -379,7 +415,7 @@ void socket_update(Socket *sock)
// Connect failed
// If remote peer not working, try next address
if (errno == ECONNREFUSED || errno == ETIMEDOUT || errno == ENETUNREACH || errno == EHOSTUNREACH) {
if (connect_failed_because_or_peer()) {
sock->state = SOCKET_STATE_PENDING;
sock->events = 0;
again = true;
@@ -402,7 +438,7 @@ void socket_update(Socket *sock)
if (getsockopt(sock->raw, SOL_SOCKET, SO_ERROR, (void*) &err, &len) < 0 || err != 0) {
// If remote peer not working, try next address
if (err == ECONNREFUSED || err == ETIMEDOUT || err == ENETUNREACH || err == EHOSTUNREACH) {
if (connect_failed_because_or_peer_2(err)) {
sock->state = SOCKET_STATE_PENDING;
sock->events = 0;
again = true;
@@ -592,6 +628,25 @@ void socket_update(Socket *sock)
} while (again);
}
static bool would_block(void)
{
#ifdef _WIN32
int err = WSAGetLastError();
return err == WSAEWOULDBLOCK;
#else
return errno == EAGAIN || errno == EWOULDBLOCK;
#endif
}
static bool interrupted(void)
{
#ifdef _WIN32
return false;
#else
return errno == EINTR;
#endif
}
int socket_read(Socket *sock, char *dst, int max)
{
// If not ESTABLISHED, set state to DIED and return
@@ -608,11 +663,11 @@ int socket_read(Socket *sock, char *dst, int max)
sock->events = 0;
} else {
if (ret < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
if (would_block()) {
sock->state = SOCKET_STATE_ESTABLISHED_WAIT;
sock->events = POLLIN;
} else {
if (errno != EINTR) {
if (!interrupted()) {
sock->state = SOCKET_STATE_DIED;
sock->events = 0;
}
@@ -660,11 +715,11 @@ int socket_write(Socket *sock, char *src, int len)
if (!socket_secure(sock)) {
int ret = send(sock->raw, src, len, 0);
if (ret < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
if (would_block()) {
sock->state = SOCKET_STATE_ESTABLISHED_WAIT;
sock->events = POLLOUT;
} else {
if (errno != EINTR) {
if (!interrupted()) {
sock->state = SOCKET_STATE_DIED;
sock->events = 0;
}