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[Net] Explicitly handle buffer errors in send/recv 

(cherry picked from commit 28001b9ef6)
This commit is contained in:
Fabio Alessandrelli 2023-07-13 16:32:40 +02:00 committed by Yuri Sizov
parent 5641ad49e9
commit f6e436c34c
2 changed files with 21 additions and 0 deletions
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20
drivers/unix/net_socket_posix.cpp
View File

@ -204,6 +204,9 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
if (err == WSAEACCES) {
return ERR_NET_UNAUTHORIZED;
}
if (err == WSAEMSGSIZE || err == WSAENOBUFS) {
return ERR_NET_BUFFER_TOO_SMALL;
}
print_verbose("Socket error: " + itos(err));
return ERR_NET_OTHER;
#else
@ -222,6 +225,9 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
if (errno == EACCES) {
return ERR_NET_UNAUTHORIZED;
}
if (errno == ENOBUFS) {
return ERR_NET_BUFFER_TOO_SMALL;
}
print_verbose("Socket error: " + itos(errno));
return ERR_NET_OTHER;
#endif
@ -550,6 +556,10 @@ Error NetSocketPosix::recv(uint8_t *p_buffer, int p_len, int &r_read) {
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}
@ -571,6 +581,10 @@ Error NetSocketPosix::recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddr
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}
@ -606,6 +620,9 @@ Error NetSocketPosix::send(const uint8_t *p_buffer, int p_len, int &r_sent) {
if (err == ERR_NET_WOULD_BLOCK) {
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}
@ -625,6 +642,9 @@ Error NetSocketPosix::sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IP
if (err == ERR_NET_WOULD_BLOCK) {
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}

1
drivers/unix/net_socket_posix.h
View File

@ -56,6 +56,7 @@ private:
ERR_NET_IN_PROGRESS,
ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE,
ERR_NET_UNAUTHORIZED,
ERR_NET_BUFFER_TOO_SMALL,
ERR_NET_OTHER,
};