Beispiel #1
0
static int32_t
attrd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    crm_client_t *client = crm_client_get(c);
    xmlNode *xml = crm_ipcs_recv(client, data, size, &id, &flags);

    crm_ipcs_send_ack(client, id, flags, "ack", __FUNCTION__, __LINE__);
    if (xml == NULL) {
        crm_debug("No msg from %d (%p)", crm_ipcs_client_pid(c), c);
        return 0;
    }
#if ENABLE_ACL
    CRM_ASSERT(client->user != NULL);
    crm_acl_get_set_user(xml, F_ATTRD_USER, client->user);
#endif

    crm_trace("Processing msg from %d (%p)", crm_ipcs_client_pid(c), c);
    crm_log_xml_trace(xml, __FUNCTION__);

    attrd_client_message(client, xml);

    free_xml(xml);
    return 0;
}
Beispiel #2
0
/* Exit code means? */
static int32_t
attrd_ipc_dispatch(qb_ipcs_connection_t *c, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
#if ENABLE_ACL
    attrd_client_t *client = qb_ipcs_context_get(c);
#endif
    xmlNode *msg = crm_ipcs_recv(c, data, size, &id, &flags);

    if(flags & crm_ipc_client_response) {
        crm_trace("Ack'ing msg from %d (%p)", crm_ipcs_client_pid(c), c);
        crm_ipcs_send_ack(c, id, "ack", __FUNCTION__, __LINE__);
    }

    if (msg == NULL) {
        crm_debug("No msg from %d (%p)", crm_ipcs_client_pid(c), c);
        return 0;
    }

#if ENABLE_ACL
    determine_request_user(client->user, msg, F_ATTRD_USER);
#endif

    crm_trace("Processing msg from %d (%p)", crm_ipcs_client_pid(c), c);
    crm_log_xml_trace(msg, __PRETTY_FUNCTION__);
    
    attrd_local_callback(msg);
    
    free_xml(msg);
    return 0;
}
Beispiel #3
0
static int32_t
attrd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    crm_client_t *client = crm_client_get(c);
    xmlNode *xml = crm_ipcs_recv(client, data, size, &id, &flags);
    const char *op;

    if (xml == NULL) {
        crm_debug("No msg from %d (%p)", crm_ipcs_client_pid(c), c);
        return 0;
    }
#if ENABLE_ACL
    CRM_ASSERT(client->user != NULL);
    crm_acl_get_set_user(xml, F_ATTRD_USER, client->user);
#endif

    crm_trace("Processing msg from %d (%p)", crm_ipcs_client_pid(c), c);
    crm_log_xml_trace(xml, __FUNCTION__);

    op = crm_element_value(xml, F_ATTRD_TASK);

    if (client->name == NULL) {
        const char *value = crm_element_value(xml, F_ORIG);
        client->name = crm_strdup_printf("%s.%d", value?value:"unknown", client->pid);
    }

    if (safe_str_eq(op, ATTRD_OP_PEER_REMOVE)) {
        attrd_send_ack(client, id, flags);
        attrd_client_peer_remove(client->name, xml);

    } else if (safe_str_eq(op, ATTRD_OP_UPDATE)) {
        attrd_send_ack(client, id, flags);
        attrd_client_update(xml);

    } else if (safe_str_eq(op, ATTRD_OP_UPDATE_BOTH)) {
        attrd_send_ack(client, id, flags);
        attrd_client_update(xml);

    } else if (safe_str_eq(op, ATTRD_OP_UPDATE_DELAY)) {
        attrd_send_ack(client, id, flags);
        attrd_client_update(xml);
  
    } else if (safe_str_eq(op, ATTRD_OP_REFRESH)) {
        attrd_send_ack(client, id, flags);
        attrd_client_refresh();

    } else if (safe_str_eq(op, ATTRD_OP_QUERY)) {
        /* queries will get reply, so no ack is necessary */
        attrd_client_query(client, id, flags, xml);

    } else {
        crm_info("Ignoring request from client %s with unknown operation %s",
                 client->name, op);
    }

    free_xml(xml);
    return 0;
}
Beispiel #4
0
static int32_t
ipc_proxy_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    crm_client_t *client = crm_client_get(c);
    crm_client_t *ipc_proxy = crm_client_get_by_id(client->userdata);
    xmlNode *request = NULL;
    xmlNode *msg = NULL;

    if (!ipc_proxy) {
        qb_ipcs_disconnect(client->ipcs);
        return 0;
    }

    /* This is a request from the local ipc client going
     * to the ipc provider.
     *
     * Looking at the chain of events.
     *
     * -----remote node----------------|---- cluster node ------
     * ipc_client <--1--> this code <--2--> crmd:remote_proxy_dispatch_internal() <----3----> ipc server
     *
     * This function is receiving a request from connection
     * 1 and forwarding it to connection 2.
     */
    request = crm_ipcs_recv(client, data, size, &id, &flags);

    if (!request) {
        return 0;
    }

    CRM_CHECK(client != NULL, crm_err("Invalid client");
              return FALSE);
    CRM_CHECK(client->id != NULL, crm_err("Invalid client: %p", client);
              return FALSE);

    /* this ensures that synced request/responses happen over the event channel
     * in the crmd, allowing the crmd to process the messages async */
    set_bit(flags, crm_ipc_proxied);
    client->request_id = id;

    msg = create_xml_node(NULL, T_LRMD_IPC_PROXY);
    crm_xml_add(msg, F_LRMD_IPC_OP, "request");
    crm_xml_add(msg, F_LRMD_IPC_SESSION, client->id);
    crm_xml_add(msg, F_LRMD_IPC_CLIENT, crm_client_name(client));
    crm_xml_add(msg, F_LRMD_IPC_USER, client->user);
    crm_xml_add_int(msg, F_LRMD_IPC_MSG_ID, id);
    crm_xml_add_int(msg, F_LRMD_IPC_MSG_FLAGS, flags);
    add_message_xml(msg, F_LRMD_IPC_MSG, request);
    lrmd_server_send_notify(ipc_proxy, msg);
    free_xml(msg);

    return 0;
}
Beispiel #5
0
int32_t
cib_common_callback(qb_ipcs_connection_t * c, void *data, size_t size, gboolean privileged)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    int call_options = 0;
    crm_client_t *cib_client = crm_client_get(c);
    xmlNode *op_request = crm_ipcs_recv(cib_client, data, size, &id, &flags);

    if (op_request) {
        crm_element_value_int(op_request, F_CIB_CALLOPTS, &call_options);
    }

    if (op_request == NULL) {
        crm_trace("Invalid message from %p", c);
        crm_ipcs_send_ack(cib_client, id, flags, "nack", __FUNCTION__, __LINE__);
        return 0;

    } else if(cib_client == NULL) {
        crm_trace("Invalid client %p", c);
        return 0;
    }

    if (is_set(call_options, cib_sync_call)) {
        CRM_ASSERT(flags & crm_ipc_client_response);
        CRM_LOG_ASSERT(cib_client->request_id == 0);    /* This means the client has two synchronous events in-flight */
        cib_client->request_id = id;    /* Reply only to the last one */
    }

    if (cib_client->name == NULL) {
        const char *value = crm_element_value(op_request, F_CIB_CLIENTNAME);

        if (value == NULL) {
            cib_client->name = crm_itoa(cib_client->pid);
        } else {
            cib_client->name = strdup(value);
        }
    }

    crm_xml_add(op_request, F_CIB_CLIENTID, cib_client->id);
    crm_xml_add(op_request, F_CIB_CLIENTNAME, cib_client->name);

#if ENABLE_ACL
    CRM_ASSERT(cib_client->user != NULL);
    crm_acl_get_set_user(op_request, F_CIB_USER, cib_client->user);
#endif

    crm_log_xml_trace(op_request, "Client[inbound]");

    cib_common_callback_worker(id, flags, op_request, cib_client, privileged);
    free_xml(op_request);

    return 0;
}
Beispiel #6
0
/* Exit code means? */
static int32_t
st_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    int call_options = 0;
    xmlNode *request = NULL;
    crm_client_t *c = crm_client_get(qbc);

    if (c == NULL) {
        crm_info("Invalid client: %p", qbc);
        return 0;
    }

    request = crm_ipcs_recv(c, data, size, &id, &flags);
    if (request == NULL) {
        crm_ipcs_send_ack(c, id, flags, "nack", __FUNCTION__, __LINE__);
        return 0;
    }

    if (c->name == NULL) {
        const char *value = crm_element_value(request, F_STONITH_CLIENTNAME);

        if (value == NULL) {
            value = "unknown";
        }
        c->name = g_strdup_printf("%s.%u", value, c->pid);
    }

    crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options);
    crm_trace("Flags %u/%u for command %u from %s", flags, call_options, id, crm_client_name(c));

    if (is_set(call_options, st_opt_sync_call)) {
        CRM_ASSERT(flags & crm_ipc_client_response);
        CRM_LOG_ASSERT(c->request_id == 0);     /* This means the client has two synchronous events in-flight */
        c->request_id = id;     /* Reply only to the last one */
    }

    crm_xml_add(request, F_STONITH_CLIENTID, c->id);
    crm_xml_add(request, F_STONITH_CLIENTNAME, crm_client_name(c));
    crm_xml_add(request, F_STONITH_CLIENTNODE, stonith_our_uname);

    crm_log_xml_trace(request, "Client[inbound]");
    stonith_command(c, id, flags, request, NULL);

    free_xml(request);
    return 0;
}
Beispiel #7
0
static int32_t
pe_ipc_dispatch(qb_ipcs_connection_t *c, void *data, size_t size)
{
    xmlNode *msg = crm_ipcs_recv(c, data, size);
    xmlNode *ack = create_xml_node(NULL, "ack");

    crm_ipcs_send(c, ack, FALSE);
    free_xml(ack);

    if (msg != NULL) {
        xmlNode *data = get_message_xml(msg, F_CRM_DATA);
        
        process_pe_message(msg, data, c);
        free_xml(msg);
    }
    return 0;
}
Beispiel #8
0
static int32_t
pe_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    crm_client_t *c = crm_client_get(qbc);
    xmlNode *msg = crm_ipcs_recv(c, data, size, &id, &flags);

    crm_ipcs_send_ack(c, id, flags, "ack", __FUNCTION__, __LINE__);
    if (msg != NULL) {
        xmlNode *data_xml = get_message_xml(msg, F_CRM_DATA);

        process_pe_message(msg, data_xml, c);
        free_xml(msg);
    }
    return 0;
}
Beispiel #9
0
static int32_t
lrmd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    crm_client_t *client = crm_client_get(c);
    xmlNode *request = crm_ipcs_recv(client, data, size, &id, &flags);

    CRM_CHECK(client != NULL, crm_err("Invalid client");
              return FALSE);
    CRM_CHECK(client->id != NULL, crm_err("Invalid client: %p", client);
              return FALSE);

    CRM_CHECK(flags & crm_ipc_client_response, crm_err("Invalid client request: %p", client);
              return FALSE);

    if (!request) {
        return 0;
    }

    if (!client->name) {
        const char *value = crm_element_value(request, F_LRMD_CLIENTNAME);

        if (value == NULL) {
            client->name = crm_itoa(crm_ipcs_client_pid(c));
        } else {
            client->name = strdup(value);
        }
    }

    lrmd_call_id++;
    if (lrmd_call_id < 1) {
        lrmd_call_id = 1;
    }

    crm_xml_add(request, F_LRMD_CLIENTID, client->id);
    crm_xml_add(request, F_LRMD_CLIENTNAME, client->name);
    crm_xml_add_int(request, F_LRMD_CALLID, lrmd_call_id);

    process_lrmd_message(client, id, request);

    free_xml(request);
    return 0;
}
Beispiel #10
0
/* Exit code means? */
static int32_t
pcmk_ipc_dispatch(qb_ipcs_connection_t * qbc, void *data, size_t size)
{
    uint32_t id = 0;
    uint32_t flags = 0;
    const char *task = NULL;
    crm_client_t *c = crm_client_get(qbc);
    xmlNode *msg = crm_ipcs_recv(c, data, size, &id, &flags);

    crm_ipcs_send_ack(c, id, flags, "ack", __FUNCTION__, __LINE__);
    if (msg == NULL) {
        return 0;
    }

    task = crm_element_value(msg, F_CRM_TASK);
    if (crm_str_eq(task, CRM_OP_QUIT, TRUE)) {
        /* Time to quit */
        crm_notice("Shutting down in response to ticket %s (%s)",
                   crm_element_value(msg, F_CRM_REFERENCE), crm_element_value(msg, F_CRM_ORIGIN));
        pcmk_shutdown(15);

    } else if (crm_str_eq(task, CRM_OP_RM_NODE_CACHE, TRUE)) {
        /* Send to everyone */
        struct iovec *iov;
        int id = 0;
        const char *name = NULL;

        crm_element_value_int(msg, XML_ATTR_ID, &id);
        name = crm_element_value(msg, XML_ATTR_UNAME);
        crm_notice("Instructing peers to remove references to node %s/%u", name, id);

        iov = calloc(1, sizeof(struct iovec));
        iov->iov_base = dump_xml_unformatted(msg);
        iov->iov_len = 1 + strlen(iov->iov_base);
        send_cpg_iov(iov);

    } else {
        update_process_clients(c);
    }

    free_xml(msg);
    return 0;
}
Beispiel #11
0
int32_t
cib_common_callback(qb_ipcs_connection_t *c, void *data, size_t size, gboolean privileged)
{
    int call_options = 0;
    const char *op = NULL;
    const char *call = NULL;
    xmlNode *op_request = crm_ipcs_recv(c, data, size);
    cib_client_t *cib_client = qb_ipcs_context_get(c);

    if(op_request) {
        op = crm_element_value(op_request, F_CIB_OPERATION);
        call = crm_element_value(op_request, F_CIB_CALLID);
        crm_element_value_int(op_request, F_CIB_CALLOPTS, &call_options);
    }

    crm_trace("Inbound: %.200s", data);
    if (op_request == NULL || cib_client == NULL) {
        xmlNode *ack = create_xml_node(NULL, "nack");

        crm_trace("Sending nack to %p", cib_client);
        crm_xml_add(ack, F_CIB_CALLID, call);
        crm_xml_add(ack, F_CIB_OPERATION, op);
        crm_xml_add(ack, XML_ATTR_ORIGIN, __FUNCTION__);
        crm_ipcs_send(c, ack, FALSE);
        free_xml(ack);
        return 0;

    } else if((call_options & cib_sync_call) == 0) {
        xmlNode *ack = create_xml_node(NULL, "ack");

        crm_trace("Sending a-sync ack to %p", cib_client);
        crm_xml_add(ack, F_CIB_CALLID, call);
        crm_xml_add(ack, F_CIB_OPERATION, op);
        crm_xml_add(ack, XML_ATTR_ORIGIN, __FUNCTION__);
        crm_ipcs_send(c, ack, FALSE);
        free_xml(ack);
    }

    if (cib_client->name == NULL) {
        const char *value = crm_element_value(op_request, F_CIB_CLIENTNAME);
        if (value == NULL) {
            cib_client->name = crm_itoa(crm_ipcs_client_pid(c));
        } else {
            cib_client->name = strdup(value);
        }
    }

    if (cib_client->callback_id == NULL) {
        const char *value = crm_element_value(op_request, F_CIB_CALLBACK_TOKEN);
        if (value != NULL) {
            cib_client->callback_id = strdup(value);
            
        } else {
            cib_client->callback_id = strdup(cib_client->id);
        }
    }
    
    crm_xml_add(op_request, F_CIB_CLIENTID, cib_client->id);
    crm_xml_add(op_request, F_CIB_CLIENTNAME, cib_client->name);

#if ENABLE_ACL
    determine_request_user(cib_client->user, op_request, F_CIB_USER);
#endif

    crm_log_xml_trace(op_request, "Client[inbound]");

    cib_common_callback_worker(op_request, cib_client, privileged);
    free_xml(op_request);

    return 0;
}