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sock_read_buf: properly detect closed connection

This commit is contained in:
Peter McGoron 2023-04-07 15:26:25 -04:00
parent 576aca9ac6
commit bdec49c3b6
2 changed files with 5 additions and 1 deletions
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2
software/prj.conf
View File

@ -2,7 +2,7 @@ CONFIG_LOG=y
CONFIG_NET_LOG=y
CONFIG_LOG_BUFFER_SIZE=1024
CONFIG_LOG_PRINTK=y
CONFIG_LOG_DEFAULT_LEVEL=4
CONFIG_LOG_DEFAULT_LEVEL=3
CONFIG_NETWORKING=y
CONFIG_NET_IPV4=y

4
software/src/sock.c
View File

@ -70,6 +70,8 @@ sock_read_buf(int sock, struct bufptr *bp, bool entire)
{
do {
ssize_t l = zsock_recv(sock, bp->p, bp->left, 0);
if (l == 0)
return -ECONNRESET;
if (l < 0)
return -errno;
@ -88,6 +90,8 @@ sock_write_buf(int sock, struct bufptr *bp)
*/
while (bp->left) {
ssize_t l = zsock_send(sock, bp->p, bp->left, 0);
if (l == 0)
return -ECONNRESET;
if (l < 0)
return -errno;
bp->p += l;