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#include <stdio.h>
#include <string.h>
#include <errno.h>
#include<d_bus.h>
#include "utils.h"
#include "power_commands.h"
static const string_quadruple_t chassis_dbus = {
"xyz.openbmc_project.State.Chassis",
"/xyz/openbmc_project/state/chassis0",
"xyz.openbmc_project.State.Chassis",
"RequestedPowerTransition"};
static const string_quadruple_t host_dbus = {
"xyz.openbmc_project.State.Host",
"/xyz/openbmc_project/state/host0",
"xyz.openbmc_project.State.Host",
"RequestedHostTransition"};
static const string_quadruple_t policy_dbus = {
"xyz.openbmc_project.Settings",
"/xyz/openbmc_project/control/host0/power_restore_policy",
"xyz.openbmc_project.Control.Power.RestorePolicy",
"PowerRestorePolicy"};
typedef struct
{
int command;
const string_quadruple_t * path;
}command_dbus_path_t;
typedef struct
{
int command;
const char* value;
}command_dbus_value_t;
typedef enum
{
POWER_UNKNOWN=-1,
POWER_ON_GRACEFUL=100,
POWER_ON_FORCE,
POWER_OFF_GRACEFUL,
POWER_OFF_FORCE,
POWER_RESET_GRACEFUL,
POWER_RESET_FORCE
}power_command_t;
const command_dbus_path_t power_command_paths[] = {
{ POWER_ON_GRACEFUL, &host_dbus },
{ POWER_ON_FORCE, &host_dbus },
{ POWER_OFF_GRACEFUL, &host_dbus },
{ POWER_OFF_FORCE, &chassis_dbus },
{ POWER_RESET_GRACEFUL, &host_dbus },
{ POWER_RESET_FORCE, &host_dbus },
{ 0, NULL }
};
const command_dbus_value_t power_command_values[] = {
{ POWER_ON_GRACEFUL, "xyz.openbmc_project.State.Host.Transition.On" },
{ POWER_ON_FORCE, "xyz.openbmc_project.State.Host.Transition.On" },
{ POWER_OFF_GRACEFUL, "xyz.openbmc_project.State.Host.Transition.Off" },
{ POWER_OFF_FORCE, "xyz.openbmc_project.State.Chassis.Transition.Off" },
{ POWER_RESET_GRACEFUL, "xyz.openbmc_project.State.Host.Transition.GracefulWarmReboot" },
{ POWER_RESET_FORCE, "xyz.openbmc_project.State.Host.Transition.ForceWarmReboot" },
{ 0, NULL }
};
typedef enum
{
POWER_POLICY_UNKNOWN=-1,
POWER_POLICY_ON=100,
POWER_POLICY_OFF,
POWER_POLICY_RESTORE
}power_policy_command_t;
typedef struct
{
const char* name;
int command;
const char* help;
}universal_command_t;
universal_command_t power_commands[] = {
{ "on-graceful", POWER_ON_GRACEFUL, "Graceful Power On" },
{ "on", POWER_ON_GRACEFUL, "Graceful Power On" },
{ "on-force", POWER_ON_FORCE, "Force Power On" },
{ "off-graceful", POWER_OFF_GRACEFUL, "Graceful Power Off" },
{ "off", POWER_OFF_GRACEFUL, "Graceful Power Off" },
{ "off-force", POWER_OFF_FORCE, "Force Power Off" },
{ "reset-graceful", POWER_RESET_GRACEFUL, "Graceful Reset" },
{ "reset", POWER_RESET_GRACEFUL, "Graceful Reset" },
{ "reset-force", POWER_RESET_FORCE, "Force Reset" },
{ NULL, 0, NULL }
};
const universal_command_t power_policy_commands[] = {
{"always-on", POWER_POLICY_ON, "Server is always ON"},
{"always-off", POWER_POLICY_OFF, "Server is always ON"},
{"restore", POWER_POLICY_RESTORE, "Server restores previous state"},
{ NULL, 0, NULL }
};
const command_dbus_path_t power_command_policy_paths[] = {
{ POWER_POLICY_ON, &policy_dbus },
{ POWER_POLICY_OFF, &policy_dbus },
{ POWER_POLICY_RESTORE, &policy_dbus },
{ 0, NULL }
};
const command_dbus_value_t power_command_policy_values[] = {
{ POWER_POLICY_ON, "xyz.openbmc_project.Control.Power.RestorePolicy.Policy.AlwaysOn" },
{ POWER_POLICY_OFF, "xyz.openbmc_project.Control.Power.RestorePolicy.Policy.AlwaysOff" },
{ POWER_POLICY_RESTORE, "xyz.openbmc_project.Control.Power.RestorePolicy.Policy.Restore" },
{ 0, NULL }
};
static void print_power_help(const universal_command_t* cmds)
{
printf("Power commands list: \n");
for(const universal_command_t* current=cmds;current->name!=NULL;current++)
{
printf("\t %s - %s \n", current->name, current->help);
}
}
static power_command_t parse_power_command(const char* command, const universal_command_t* cmds)
{
power_command_t result = POWER_UNKNOWN;
for(const universal_command_t* current=cmds;current->name!=NULL;current++)
{
if(strcmp(command, current->name)==0)
result = current->command;
}
return result;
}
const string_quadruple_t* get_dbus_interface(power_command_t cmd, const command_dbus_path_t* pathes)
{
for(const command_dbus_path_t* current = pathes; current->path!=NULL; current++)
{
if(current->command == cmd)return current->path;
}
return NULL;
}
const char* get_dbus_value(power_command_t cmd, const command_dbus_value_t* values)
{
for(const command_dbus_value_t* current = values; current->value!=NULL; current++)
{
if(current->command == cmd)return current->value;
}
return NULL;
}
int com_dbus_property( char *arg, const universal_command_t* commands, const command_dbus_path_t* paths, const command_dbus_value_t* values)
{
power_command_t cmd = parse_power_command(arg, commands);
if(cmd==POWER_UNKNOWN) {
fprintf(stderr, "Unknown command: %s\n", arg);
print_power_help(commands);
return -EOPNOTSUPP;
}
const string_quadruple_t* dbus_power_interface = get_dbus_interface(cmd, paths);
if(!dbus_power_interface)
return -EOPNOTSUPP;
const char* property_val = get_dbus_value(cmd, values);
if(!property_val)
return -EOPNOTSUPP;
return dbus_set_property_string(dbus_power_interface, property_val);
return 0;
}
int com_power( char *arg )
{
return com_dbus_property(arg, power_commands, power_command_paths, power_command_values);
}
int com_power_policy( char* arg )
{
return com_dbus_property(arg, power_policy_commands, power_command_policy_paths, power_command_policy_values);
}
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