static void DeliverCallback (
cpg_handle_t handle,
const struct cpg_name *groupName,
uint32_t nodeid,
uint32_t pid,
void *msg,
size_t msg_len)
{
printf("DeliverCallback: message (len=%lu)from %s: '%s'\n",
(unsigned long int) msg_len, node_pid_format(nodeid, pid),
(const char *)msg);
}
static void ConfchgCallback (
cpg_handle_t handle,
const struct cpg_name *groupName,
const struct cpg_address *member_list, size_t member_list_entries,
const struct cpg_address *left_list, size_t left_list_entries,
const struct cpg_address *joined_list, size_t joined_list_entries)
{
int i;
printf("\nConfchgCallback: group '");
print_cpgname(groupName);
printf("'\n");
for (i=0; i<joined_list_entries; i++) {
printf("joined %s reason: %d\n",
node_pid_format(joined_list[i].nodeid, joined_list[i].pid),
joined_list[i].reason);
}
for (i=0; i<left_list_entries; i++) {
printf("left %s reason: %d\n",
node_pid_format(left_list[i].nodeid, left_list[i].pid),
left_list[i].reason);
}
printf("nodes in group now %lu\n",
(unsigned long int) member_list_entries);
for (i=0; i<member_list_entries; i++) {
printf("%s\n",
node_pid_format(member_list[i].nodeid, member_list[i].pid));
}
/* Is it us??
NOTE: in reality we should also check the nodeid */
if (left_list_entries && left_list[0].pid == getpid()) {
printf("We have left the building\n");
quit = 1;
}
}
static void ConfchgCallback (
cpg_handle_t handle,
const struct cpg_name *groupName,
const struct cpg_address *member_list, size_t member_list_entries,
const struct cpg_address *left_list, size_t left_list_entries,
const struct cpg_address *joined_list, size_t joined_list_entries)
{
unsigned int i;
int result;
uint32_t nodeid;
print_time();
printf("ConfchgCallback: group '");
print_cpgname(groupName);
printf("'\n");
print_localnodeid(handle);
for (i=0; i<joined_list_entries; i++) {
printf("joined %s reason: %d\n",
node_pid_format(joined_list[i].nodeid, joined_list[i].pid),
joined_list[i].reason);
}
for (i=0; i<left_list_entries; i++) {
printf("left %s reason: %d\n",
node_pid_format(left_list[i].nodeid, left_list[i].pid),
left_list[i].reason);
}
printf("nodes in group now %lu\n",
(unsigned long int) member_list_entries);
for (i=0; i<member_list_entries; i++) {
printf("%s\n",
node_pid_format(member_list[i].nodeid, member_list[i].pid));
}
result = cpg_local_get(handle, &nodeid);
if(result != CS_OK) {
printf("failed to get local nodeid %d\n", result);
nodeid = 0;
}
/* Is it us??
NOTE: in reality we should also check the nodeid */
if (left_list_entries && (pid_t)left_list[0].pid == getpid()) {
printf("We might have left the building pid %d\n", left_list[0].pid);
/* can only use nodeidStart as a reliable check (version <= 1.4.2) */
if(nodeidStart) {
/* report dynamic nature of nodeid returned from local_get */
/* local get of nodeid might change identity from original! */
if(htonl((uint32_t)nodeid) == INADDR_LOOPBACK) {
printf("We probably left the building switched identity? start nodeid %d nodeid %d current nodeid %d pid %d\n", nodeidStart, left_list[0].nodeid, nodeid, left_list[0].pid);
} else if(htonl((uint32_t)left_list[0].nodeid) == INADDR_LOOPBACK) {
printf("We probably left the building started alone? start nodeid %d nodeid %d current nodeid %d pid %d\n", nodeidStart, left_list[0].nodeid, nodeid, left_list[0].pid);
}
/* a possibly reliable way to check is based on original address */
if(left_list[0].nodeid == nodeidStart) {
printf("We have left the building direct match start nodeid %d nodeid %d local get current nodeid %d pid %d\n", nodeidStart, left_list[0].nodeid, nodeid, left_list[0].pid);
// quit = 1;
restart = 1;
} else {
printf("Probably another node with matching pid start nodeid %d nodeid %d current nodeid %d pid %d\n", nodeidStart, left_list[0].nodeid, nodeid, left_list[0].pid);
}
}
}
}
