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vpnkit: Make this less verbose on connection errors

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This commit is contained in:
YAMAMOTO Takashi 2020-03-23 10:39:52 +09:00 committed by Xiang Xiao
parent e4c8f5d767
commit 12a97acaed
1 changed files with 31 additions and 10 deletions
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41
arch/sim/src/sim/up_vpnkit.c
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@ -30,6 +30,7 @@
#include <netinet/in.h>
#include <poll.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
@ -57,6 +58,7 @@
static const char *g_vpnkit_socket_path = "/tmp/vpnkit-nuttx"; /* XXX config */
static struct vif_info g_vifinfo;
static int g_vpnkit_fd = -1;
static bool g_connect_warned;
/****************************************************************************
* Private Functions
@ -65,21 +67,21 @@ static int g_vpnkit_fd = -1;
int negotiate(int fd, struct vif_info *vif);
void netdriver_setmacaddr(unsigned char *macaddr);
static void vpnkit_connect()
static int vpnkit_connect()
{
struct sockaddr_un sun;
int fd;
if (g_vpnkit_fd != -1)
{
return;
return 0;
}
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1)
{
ERROR("failed to create a socket");
return;
return -1;
}
memset(&sun, 0, sizeof(sun));
@ -88,21 +90,28 @@ static void vpnkit_connect()
if (connect(fd, (const struct sockaddr *)&sun, sizeof(sun)) == -1)
{
ERROR("failed to connect to the vpnkit socket %s",
g_vpnkit_socket_path);
if (!g_connect_warned)
{
ERROR("failed to connect to the vpnkit socket %s",
g_vpnkit_socket_path);
g_connect_warned = true;
}
close(fd);
return;
return -1;
}
if (negotiate(fd, &g_vifinfo))
{
ERROR("failed to negotiate with vpnkit");
close(fd);
return;
return -1;
}
INFO("Successfully negotiated with vpnkit");
g_vpnkit_fd = fd;
g_connect_warned = false;
return 0;
}
static void vpnkit_disconnect()
@ -142,7 +151,11 @@ int vpnkit_avail(void)
struct pollfd pfd;
int ret;
vpnkit_connect();
if (vpnkit_connect())
{
return 0;
}
memset(&pfd, 0, sizeof(pfd));
pfd.fd = g_vpnkit_fd;
pfd.events = POLLIN;
@ -173,7 +186,11 @@ unsigned int vpnkit_read(unsigned char *buf, unsigned int buflen)
ssize_t ret;
DEBUG("vpnkit_read called");
vpnkit_connect();
if (vpnkit_connect())
{
return 0;
}
ret = really_read(g_vpnkit_fd, header, sizeof(header));
if (ret == -1)
{
@ -216,7 +233,11 @@ void vpnkit_send(unsigned char *buf, unsigned int buflen)
ssize_t ret;
DEBUG("vpnkit_send called");
vpnkit_connect();
if (vpnkit_connect())
{
return;
}
header[0] = buflen & 0xff;
header[1] = (buflen >> 8) & 0xff;
ret = really_write(g_vpnkit_fd, header, sizeof(header));