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vqsim is a small program that allows node up/down/split/join operations to be simulated without the use of an actual cluster. Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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typedef enum {VQMSG_QUIT=1,
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VQMSG_SYNC, /* set nodelist */
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VQMSG_QUORUM, /* quorum state of this 'node' */
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VQMSG_EXEC, /* message for exec_handler */
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VQMSG_QDEVICE, /* quorum device enable/disable */
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VQMSG_QUORUMQUIT, /* quit if you don't have quorum */
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} vqsim_msg_type_t;
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typedef struct vq_instance *vq_object_t;
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struct vqsim_msg_header
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{
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vqsim_msg_type_t type;
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int from_nodeid;
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int param;
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};
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/* This is the sync sent from the controller process */
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struct vqsim_sync_msg
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{
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struct vqsim_msg_header header;
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struct memb_ring_id ring_id;
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size_t view_list_entries;
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unsigned int view_list[];
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};
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/* This is just info sent from each VQ instance */
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struct vqsim_quorum_msg
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{
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struct vqsim_msg_header header;
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int quorate;
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struct memb_ring_id ring_id;
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size_t view_list_entries;
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unsigned int view_list[];
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};
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struct vqsim_exec_msg
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{
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struct vqsim_msg_header header;
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char execmsg[];
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};
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struct vqsim_lib_msg
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{
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struct vqsim_msg_header header;
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char libmsg[];
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};
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#define MAX_NODES 1024
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#define MAX_PARTITIONS 16
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/* In vq_object.c */
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vq_object_t vq_create_instance(qb_loop_t *poll_loop, int nodeid);
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void vq_quit(vq_object_t instance);
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int vq_set_nodelist(vq_object_t instance, struct memb_ring_id *ring_id, int *nodeids, int nodeids_entries);
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int vq_get_parent_fd(vq_object_t instance);
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int vq_set_qdevice(vq_object_t instance, struct memb_ring_id *ring_id, int onoff);
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int vq_quit_if_inquorate(vq_object_t instance);
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pid_t vq_get_pid(vq_object_t instance);
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/* in vqsim_vq_engine.c - effectively the constructor */
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int fork_new_instance(int nodeid, int *vq_sock, pid_t *child_pid);
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/* In parser.c */
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void parse_input_command(char *cmd);
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/* These are in vqmain.c */
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void cmd_stop_node(int nodeid);
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void cmd_stop_all_nodes(void);
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void cmd_start_new_node(int nodeid, int partition);
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void cmd_set_autofence(int onoff);
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void cmd_move_nodes(int partition, int num_nodes, int *nodelist);
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void cmd_join_partitions(int part1, int part2);
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void cmd_update_all_partitions(int newring);
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void cmd_qdevice_poll(int nodeid, int onoff);
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void cmd_show_node_states(void);
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