From cb53894d3b6e90edaee4219fe716850d01242f46 Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Thu, 22 Oct 2015 17:46:35 +0200 Subject: sd-ndisc: notify user on STOP Also, stop the state machine when we get into a broken state, rather than just notify the user. --- src/libsystemd-network/sd-ndisc.c | 9 ++++++--- src/libsystemd-network/test-ndisc-rs.c | 6 ++++-- 2 files changed, 10 insertions(+), 5 deletions(-) (limited to 'src/libsystemd-network') diff --git a/src/libsystemd-network/sd-ndisc.c b/src/libsystemd-network/sd-ndisc.c index c494b9d6d8..b8bfc6c549 100644 --- a/src/libsystemd-network/sd-ndisc.c +++ b/src/libsystemd-network/sd-ndisc.c @@ -494,8 +494,8 @@ static int ndisc_router_advertisment_recv(sd_event_source *s, int fd, uint32_t r event = SD_NDISC_EVENT_ROUTER_ADVERTISMENT_MANAGED; log_ndisc(nd, "Received Router Advertisement flags %s/%s", - ra->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED? "MANAGED": "none", - ra->nd_ra_flags_reserved & ND_RA_FLAG_OTHER? "OTHER": "none"); + ra->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED ? "MANAGED" : "none", + ra->nd_ra_flags_reserved & ND_RA_FLAG_OTHER ? "OTHER" : "none"); if (event != SD_NDISC_EVENT_ROUTER_ADVERTISMENT_NONE) { r = ndisc_ra_parse(nd, ra, len); @@ -549,7 +549,8 @@ static int ndisc_router_solicitation_timeout(sd_event_source *s, uint64_t usec, next_timeout, 0, ndisc_router_solicitation_timeout, nd); if (r < 0) { - ndisc_notify(nd, r); + /* we cannot continue if we are unable to rearm the timer */ + sd_ndisc_stop(nd); return 0; } @@ -575,6 +576,8 @@ int sd_ndisc_stop(sd_ndisc *nd) { nd->state = NDISC_STATE_IDLE; + ndisc_notify(nd, SD_NDISC_EVENT_STOP); + return 0; } diff --git a/src/libsystemd-network/test-ndisc-rs.c b/src/libsystemd-network/test-ndisc-rs.c index 44eab94e8b..59c720d48d 100644 --- a/src/libsystemd-network/test-ndisc-rs.c +++ b/src/libsystemd-network/test-ndisc-rs.c @@ -87,11 +87,13 @@ int icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { static void test_rs_done(sd_ndisc *nd, int event, void *userdata) { sd_event *e = userdata; - static int idx = 0; + static unsigned idx = 0; struct { uint8_t flag; int event; } flag_event[] = { + { 0, SD_NDISC_EVENT_STOP }, + { 0, SD_NDISC_EVENT_STOP }, { 0, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_NONE }, { ND_RA_FLAG_OTHER, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_OTHER }, { ND_RA_FLAG_MANAGED, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_MANAGED } @@ -106,7 +108,7 @@ static void test_rs_done(sd_ndisc *nd, int event, void *userdata) { if (verbose) printf(" got event %d\n", event); - if (idx < 3) { + if (idx < ELEMENTSOF(flag_event)) { send_ra(flag_event[idx].flag); return; } -- cgit v1.2.3-54-g00ecf