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| author | Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2012-06-20 13:38:38 +0300 |
|---|---|---|
| committer | Patrik Flykt <patrik.flykt@linux.intel.com> | 2012-06-20 14:11:31 +0300 |
| commit | c7af063414315eecfb76cc99d07f19b5357e4b94 (patch) | |
| tree | 91eb27f089a506d44559b3df4eba7161d7024465 /src/dnsproxy.c | |
| parent | 3dabff35b045357620740e0497b7c0445174057c (diff) | |
| download | connman-c7af063414315eecfb76cc99d07f19b5357e4b94.tar.gz connman-c7af063414315eecfb76cc99d07f19b5357e4b94.tar.bz2 connman-c7af063414315eecfb76cc99d07f19b5357e4b94.zip | |
dnsproxy: Add more debugging prints
Diffstat (limited to 'src/dnsproxy.c')
| -rw-r--r-- | src/dnsproxy.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/dnsproxy.c b/src/dnsproxy.c index d5c77f75..e7123f1c 100644 --- a/src/dnsproxy.c +++ b/src/dnsproxy.c @@ -439,7 +439,7 @@ static void send_response(int sk, unsigned char *buf, int len, struct domain_hdr *hdr; int err, offset = protocol_offset(protocol); - DBG(""); + DBG("sk %d", sk); if (offset < 0) return; @@ -460,8 +460,8 @@ static void send_response(int sk, unsigned char *buf, int len, err = sendto(sk, buf, len, MSG_NOSIGNAL, to, tolen); if (err < 0) { - connman_error("Failed to send DNS response: %s", - strerror(errno)); + connman_error("Failed to send DNS response to %d: %s", + sk, strerror(errno)); return; } } @@ -1682,6 +1682,12 @@ static int forward_dns_reply(unsigned char *reply, int reply_len, int protocol, close(sk); } + if (err < 0) + DBG("Cannot send msg, sk %d proto %d errno %d/%s", sk, + protocol, errno, strerror(errno)); + else + DBG("proto %d sent %d bytes to %d", protocol, err, sk); + destroy_request_data(req); return err; @@ -1727,7 +1733,8 @@ static void destroy_server(struct server_data *server) { GList *list; - DBG("interface %s server %s", server->interface, server->server); + DBG("interface %s server %s sock %d", server->interface, server->server, + g_io_channel_unix_get_fd(server->channel)); server_list = g_slist_remove(server_list, server); @@ -1805,7 +1812,7 @@ static gboolean tcp_server_event(GIOChannel *channel, GIOCondition condition, if (condition & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) { GSList *list; hangup: - DBG("TCP server channel closed"); + DBG("TCP server channel closed, sk %d", sk); /* * Discard any partial response which is buffered; better @@ -1942,7 +1949,7 @@ hangup: reply_len = reply_len_buf[1] | reply_len_buf[0] << 8; reply_len += 2; - DBG("TCP reply %d bytes", reply_len); + DBG("TCP reply %d bytes from %d", reply_len, sk); reply = g_try_malloc(sizeof(*reply) + reply_len + 2); if (!reply) @@ -2043,6 +2050,8 @@ static struct server_data *create_server(const char *interface, return NULL; } + DBG("sk %d", sk); + if (interface != NULL) { if (setsockopt(sk, SOL_SOCKET, SO_BINDTODEVICE, interface, strlen(interface) + 1) < 0) { @@ -2466,7 +2475,8 @@ static gboolean tcp_listener_event(GIOChannel *channel, GIOCondition condition, if (len < 2) return TRUE; - DBG("Received %d bytes (id 0x%04x)", len, buf[2] | buf[3] << 8); + DBG("Received %d bytes (id 0x%04x) from %d", len, + buf[2] | buf[3] << 8, client_sk); err = parse_request(buf + 2, len - 2, query, sizeof(query)); if (err < 0 || (g_slist_length(server_list) == 0)) { |