X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fmessages%2FPaxosServiceMessage.h;fp=src%2Fceph%2Fsrc%2Fmessages%2FPaxosServiceMessage.h;h=a85ac9e6c4a6bf4d94e6c6678f62d10c015e057f;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/messages/PaxosServiceMessage.h b/src/ceph/src/messages/PaxosServiceMessage.h new file mode 100644 index 0000000..a85ac9e --- /dev/null +++ b/src/ceph/src/messages/PaxosServiceMessage.h @@ -0,0 +1,70 @@ +#ifndef CEPH_PAXOSSERVICEMESSAGE_H +#define CEPH_PAXOSSERVICEMESSAGE_H + +#include "msg/Message.h" +#include "mon/Session.h" + +class PaxosServiceMessage : public Message { + public: + version_t version; + __s16 deprecated_session_mon; + uint64_t deprecated_session_mon_tid; + + // track which epoch the leader received a forwarded request in, so we can + // discard forwarded requests appropriately on election boundaries. + epoch_t rx_election_epoch; + + PaxosServiceMessage() + : Message(MSG_PAXOS), + version(0), deprecated_session_mon(-1), deprecated_session_mon_tid(0), + rx_election_epoch(0) { } + PaxosServiceMessage(int type, version_t v, int enc_version=1, int compat_enc_version=0) + : Message(type, enc_version, compat_enc_version), + version(v), deprecated_session_mon(-1), deprecated_session_mon_tid(0), + rx_election_epoch(0) { } + protected: + ~PaxosServiceMessage() override {} + + public: + void paxos_encode() { + ::encode(version, payload); + ::encode(deprecated_session_mon, payload); + ::encode(deprecated_session_mon_tid, payload); + } + + void paxos_decode( bufferlist::iterator& p ) { + ::decode(version, p); + ::decode(deprecated_session_mon, p); + ::decode(deprecated_session_mon_tid, p); + } + + void encode_payload(uint64_t features) override { + ceph_abort(); + paxos_encode(); + } + + void decode_payload() override { + ceph_abort(); + bufferlist::iterator p = payload.begin(); + paxos_decode(p); + } + + /** + * These messages are only used by the monitors and clients, + * and the client doesn't care, so we're creating a monitor-specific + * function here. Note that this function explicitly exists to bypass + * the normal ref-counting, so don't expect the returned pointer to be + * very long-lived -- it will still only last as long as the Session would + * normally. + */ + MonSession *get_session() { + MonSession *session = (MonSession *)get_connection()->get_priv(); + if (session) + session->put(); + return session; + } + + const char *get_type_name() const override { return "PaxosServiceMessage"; } +}; + +#endif