diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-14 18:33:57 -0400 |
---|---|---|
committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-09-14 18:33:57 -0400 |
commit | 3c72c8d3ee67388336aca58c5afa3fb93a9c24c0 (patch) | |
tree | d072df7fee0f5906fad88c08398b2fe887cbc064 /src/grp-resolve/systemd-resolved/resolved-dns-stream.h | |
parent | e51613a3291342c6006edda8783755fb8994fd75 (diff) | |
parent | 6ba6ca19507add38549e07058c57489a8cd98cd1 (diff) |
Merge branch 'notsystemd/postmove' into notsystemd/master
# Conflicts:
# src/grp-journal/systemd-journald/Makefile
# src/grp-login/systemd-logind/Makefile
# src/grp-machine/grp-import/systemd-export/Makefile
# src/grp-machine/grp-import/systemd-import/Makefile
# src/grp-machine/grp-import/systemd-pull/Makefile
# src/grp-machine/systemd-machined/Makefile
# src/grp-network/libnetworkd-core/Makefile
# src/grp-resolve/libbasic-dns/Makefile
# src/grp-resolve/systemd-resolved/Makefile
# src/grp-utils/systemd-path/Makefile
# src/libshared/src/Makefile
# src/libsystemd-network/include/systemd-network/sd-ndisc.h
# src/libsystemd/Makefile
# src/libsystemd/src/test.mk
# src/libudev/Makefile
# src/systemd-dbus1-generator/Makefile
# src/systemd-nspawn/nspawn.c
Signed-off-by: Luke Shumaker <lukeshu@sbcglobal.net>
Diffstat (limited to 'src/grp-resolve/systemd-resolved/resolved-dns-stream.h')
-rw-r--r-- | src/grp-resolve/systemd-resolved/resolved-dns-stream.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/grp-resolve/systemd-resolved/resolved-dns-stream.h b/src/grp-resolve/systemd-resolved/resolved-dns-stream.h index 65be14c5ed..6538da457a 100644 --- a/src/grp-resolve/systemd-resolved/resolved-dns-stream.h +++ b/src/grp-resolve/systemd-resolved/resolved-dns-stream.h @@ -27,8 +27,16 @@ typedef struct DnsStream DnsStream; #include "resolved-dns-transaction.h" #include "resolved-manager.h" +/* Streams are used by three subsystems: + * + * 1. The normal transaction logic when doing a DNS or LLMNR lookup via TCP + * 2. The LLMNR logic when accepting a TCP-based lookup + * 3. The DNS stub logic when accepting a TCP-based lookup + */ + struct DnsStream { Manager *manager; + int n_ref; DnsProtocol protocol; @@ -51,12 +59,23 @@ struct DnsStream { int (*on_packet)(DnsStream *s); int (*complete)(DnsStream *s, int error); - DnsTransaction *transaction; + DnsTransaction *transaction; /* when used by the transaction logic */ + DnsQuery *query; /* when used by the DNS stub logic */ LIST_FIELDS(DnsStream, streams); }; int dns_stream_new(Manager *m, DnsStream **s, DnsProtocol protocol, int fd); -DnsStream *dns_stream_free(DnsStream *s); +DnsStream *dns_stream_unref(DnsStream *s); +DnsStream *dns_stream_ref(DnsStream *s); int dns_stream_write_packet(DnsStream *s, DnsPacket *p); + +static inline bool DNS_STREAM_QUEUED(DnsStream *s) { + assert(s); + + if (s->fd < 0) /* already stopped? */ + return false; + + return !!s->write_packet; +} |