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#include <string.h>
#include <talloc/talloc.h>
#include <process/process.h>
#include "discover-server.h"
#include "sysinfo.h"
static struct system_info *sysinfo;
static struct discover_server *server;
static const char *sysinfo_helper = PKG_LIBEXEC_DIR "/pb-sysinfo";
const struct system_info *system_info_get(void)
{
return sysinfo;
}
void system_info_register_interface(unsigned int hwaddr_size, uint8_t *hwaddr,
const char *name, bool link)
{
struct interface_info *if_info;
unsigned int i;
for (i = 0; i < sysinfo->n_interfaces; i++) {
bool changed = false;
if_info = sysinfo->interfaces[i];
if (if_info->hwaddr_size != hwaddr_size)
continue;
if (memcmp(if_info->hwaddr, hwaddr, hwaddr_size))
continue;
/* Found an existing interface. Notify clients on any name or
* link changes */
if (strcmp(if_info->name, name)) {
talloc_free(if_info->name);
if_info->name = talloc_strdup(if_info, name);
changed = true;
}
if (if_info->link != link) {
if_info->link = link;
changed = true;
}
if (changed)
discover_server_notify_system_info(server, sysinfo);
return;
}
if_info = talloc_zero(sysinfo, struct interface_info);
if_info->hwaddr_size = hwaddr_size;
if_info->hwaddr = talloc_memdup(if_info, hwaddr, hwaddr_size);
if_info->name = talloc_strdup(if_info, name);
if_info->link = link;
sysinfo->n_interfaces++;
sysinfo->interfaces = talloc_realloc(sysinfo, sysinfo->interfaces,
struct interface_info *,
sysinfo->n_interfaces);
sysinfo->interfaces[sysinfo->n_interfaces - 1] = if_info;
discover_server_notify_system_info(server, sysinfo);
}
void system_info_register_blockdev(const char *name, const char *uuid,
const char *mountpoint)
{
struct blockdev_info *bd_info;
unsigned int i;
for (i = 0; i < sysinfo->n_blockdevs; i++) {
bd_info = sysinfo->blockdevs[i];
if (strcmp(bd_info->name, name))
continue;
/* update the mountpoint and UUID, and we're done */
talloc_free(bd_info->mountpoint);
bd_info->uuid = talloc_strdup(bd_info, uuid);
bd_info->mountpoint = talloc_strdup(bd_info, mountpoint);
discover_server_notify_system_info(server, sysinfo);
return;
}
bd_info = talloc_zero(sysinfo, struct blockdev_info);
bd_info->name = talloc_strdup(bd_info, name);
bd_info->uuid = talloc_strdup(bd_info, uuid);
bd_info->mountpoint = talloc_strdup(bd_info, mountpoint);
sysinfo->n_blockdevs++;
sysinfo->blockdevs = talloc_realloc(sysinfo, sysinfo->blockdevs,
struct blockdev_info *,
sysinfo->n_blockdevs);
sysinfo->blockdevs[sysinfo->n_blockdevs - 1] = bd_info;
discover_server_notify_system_info(server, sysinfo);
}
static void system_info_set_identifier(struct system_info *info)
{
struct process *process;
int rc;
const char *argv[] = {
sysinfo_helper, NULL, NULL,
};
process = process_create(info);
process->path = sysinfo_helper;
process->argv = argv;
process->keep_stdout = true;
argv[1] = "--type";
rc = process_run_sync(process);
if (!rc) {
info->type = talloc_strndup(info, process->stdout_buf,
process->stdout_len);
}
argv[1] = "--id";
rc = process_run_sync(process);
if (!rc) {
info->identifier = talloc_strndup(info, process->stdout_buf,
process->stdout_len);
}
process_release(process);
}
void system_info_init(struct discover_server *s)
{
server = s;
sysinfo = talloc_zero(server, struct system_info);
system_info_set_identifier(sysinfo);
}
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