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[Net] Explicitly handle buffer errors in send/recv

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This commit is contained in:
Fabio Alessandrelli 2023-07-19 18:44:44 +02:00
parent ac5d7dc821
commit c783dd4a52
2 changed files with 19 additions and 0 deletions
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18
drivers/unix/net_socket_posix.cpp
View file

@ -195,6 +195,9 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
return ERR_NET_IN_PROGRESS;
if (err == WSAEWOULDBLOCK)
return ERR_NET_WOULD_BLOCK;
if (err == WSAEMSGSIZE || err == WSAENOBUFS) {
return ERR_NET_BUFFER_TOO_SMALL;
}
print_verbose("Socket error: " + itos(err));
return ERR_NET_OTHER;
#else
@ -207,6 +210,9 @@ NetSocketPosix::NetError NetSocketPosix::_get_socket_error() const {
if (errno == EAGAIN || errno == EWOULDBLOCK) {
return ERR_NET_WOULD_BLOCK;
}
if (errno == ENOBUFS) {
return ERR_NET_BUFFER_TOO_SMALL;
}
print_verbose("Socket error: " + itos(errno));
return ERR_NET_OTHER;
#endif
@ -535,6 +541,9 @@ Error NetSocketPosix::recv(uint8_t *p_buffer, int p_len, int &r_read) {
if (err == ERR_NET_WOULD_BLOCK) {
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}
@ -556,6 +565,9 @@ Error NetSocketPosix::recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IP_Add
if (err == ERR_NET_WOULD_BLOCK) {
return ERR_BUSY;
}
if (err == ERR_NET_BUFFER_TOO_SMALL) {
return ERR_OUT_OF_MEMORY;
}
return FAILED;
}
@ -592,6 +604,9 @@ 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;
}
@ -611,6 +626,9 @@ 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

@ -54,6 +54,7 @@ private:
ERR_NET_WOULD_BLOCK,
ERR_NET_IS_CONNECTED,
ERR_NET_IN_PROGRESS,
ERR_NET_BUFFER_TOO_SMALL,
ERR_NET_OTHER
};