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/*
This is a Votequorum object in the parent process. it's really just a conduit for the forked
votequorum entity
*/
#include <qb/qblog.h>
#include <qb/qbloop.h>
#include <qb/qbipcc.h>
#include <netinet/in.h>
#include "../exec/votequorum.h"
#include "vqsim.h"
struct vq_instance
{
int nodeid;
int vq_socket;
pid_t pid;
};
vq_object_t vq_create_instance(qb_loop_t *poll_loop, int nodeid)
{
struct vq_instance *instance = malloc(sizeof(struct vq_instance));
if (!instance) {
return NULL;
}
instance->nodeid = nodeid;
if (fork_new_instance(nodeid, &instance->vq_socket, &instance->pid)) {
free(instance);
return NULL;
}
return instance;
}
pid_t vq_get_pid(vq_object_t instance)
{
struct vq_instance *vqi = instance;
return vqi->pid;
}
void vq_quit(vq_object_t instance)
{
struct vq_instance *vqi = instance;
struct vqsim_msg_header msg;
int res;
msg.type = VQMSG_QUIT;
msg.from_nodeid = 0;
msg.param = 0;
res = write(vqi->vq_socket, &msg, sizeof(msg));
if (res <= 0) {
perror("Quit write failed");
}
}
int vq_quit_if_inquorate(vq_object_t instance)
{
struct vq_instance *vqi = instance;
struct vqsim_msg_header msg;
int res;
msg.type = VQMSG_QUORUMQUIT;
msg.from_nodeid = 0;
msg.param = 0;
res = write(vqi->vq_socket, &msg, sizeof(msg));
if (res <= 0) {
perror("Quit write failed");
}
return 0;
}
int vq_set_nodelist(vq_object_t instance, struct memb_ring_id *ring_id, int *nodeids, int nodeids_entries)
{
struct vq_instance *vqi = instance;
char msgbuf[sizeof(int)*nodeids_entries + sizeof(struct vqsim_sync_msg)];
struct vqsim_sync_msg *msg = (void*)msgbuf;
int res;
msg->header.type = VQMSG_SYNC;
msg->header.from_nodeid = 0;
msg->header.param = 0;
msg->view_list_entries = nodeids_entries;
memcpy(&msg->view_list, nodeids, nodeids_entries*sizeof(int));
memcpy(&msg->ring_id, ring_id, sizeof(struct memb_ring_id));
res = write(vqi->vq_socket, msgbuf, sizeof(msgbuf));
if (res <= 0) {
perror("Sync write failed");
return -1;
}
return 0;
}
int vq_set_qdevice(vq_object_t instance, struct memb_ring_id *ring_id, int onoff)
{
struct vq_instance *vqi = instance;
struct vqsim_msg_header msg;
int res;
msg.type = VQMSG_QDEVICE;
msg.from_nodeid = 0;
msg.param = onoff;
res = write(vqi->vq_socket, &msg, sizeof(msg));
if (res <= 0) {
perror("qdevice register write failed");
return -1;
}
return 0;
}
int vq_get_parent_fd(vq_object_t instance)
{
struct vq_instance *vqi = instance;
return vqi->vq_socket;
}
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