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| author | Dimitri Staessens <dimitri.staessens@ugent.be> | 2017-12-06 17:01:48 +0100 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@ugent.be> | 2017-12-06 17:05:13 +0100 |
| commit | 0d8946ad80c5adb9a0ce76d848712af78f5910da (patch) | |
| tree | 3b81e0797e5eb98e28ec71ecfe6a1cd0678eda9a /src | |
| parent | 0cbb0f3ac64a8818fdc4f4de1a7521f435f7bcaf (diff) | |
| download | ouroboros-0d8946ad80c5adb9a0ce76d848712af78f5910da.tar.gz ouroboros-0d8946ad80c5adb9a0ce76d848712af78f5910da.zip | |
ipcpd: Wait for DHT running state before access
The DHT will now wait for the DHT_RUNNING state before handling
request messages, ensuring that the parameters are set correctly
before they are read and sent at JOIN. Also fixes a re-introduced
assertion failure when a JOIN fails.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src')
| -rw-r--r-- | src/ipcpd/normal/dht.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/ipcpd/normal/dht.c b/src/ipcpd/normal/dht.c index 1fc129cc..55c3d8a7 100644 --- a/src/ipcpd/normal/dht.c +++ b/src/ipcpd/normal/dht.c @@ -2395,6 +2395,12 @@ static void * dht_handle_sdu(void * o) continue; } + if (msg->code != KAD_RESPONSE && dht_wait_running(dht)) { + kad_msg__free_unpacked(msg, NULL); + log_dbg("Got a request message when not running."); + continue; + } + pthread_rwlock_rdlock(&dht->lock); b = dht->b; @@ -2415,12 +2421,6 @@ static void * dht_handle_sdu(void * o) continue; } - if (msg->code != KAD_RESPONSE && dht_wait_running(dht)) { - kad_msg__free_unpacked(msg, NULL); - log_dbg("Got a request message when not running."); - continue; - } - tpm_dec(dht->tpm); addr = msg->s_addr; @@ -2501,17 +2501,18 @@ static void * dht_handle_sdu(void * o) if (msg->code != KAD_JOIN) { pthread_rwlock_wrlock(&dht->lock); - if ((dht->state == DHT_JOINING || - dht->state == DHT_RUNNING) && - dht_update_bucket(dht, msg->s_id.data, addr)) + if (dht->state == DHT_JOINING && dht->buckets == NULL) { + pthread_rwlock_unlock(&dht->lock); + break; + } + + if (dht_update_bucket(dht, msg->s_id.data, addr)) log_warn("Failed to update bucket."); pthread_rwlock_unlock(&dht->lock); } - if (msg->code < KAD_STORE) { - if (send_msg(dht, &resp_msg, addr)) + if (msg->code < KAD_STORE && send_msg(dht, &resp_msg, addr)) log_warn("Failed to send response."); - } kad_msg__free_unpacked(msg, NULL); |