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#include <stdio.h>
#include <string.h>
#include<sd_bus.h>
#include "power_commands.h"
#include "errno.h"
typedef struct
{ const char* first;
const char* second;
}string_pair_t;
typedef struct
{ const char* first;
const char* second;
const char* third;
const char* fourth;
}string_quadruple_t;
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"};
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;
static struct
{
const char* name;
power_command_t command;
const char* help;
} 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"}
};
static void print_power_help()
{
printf("Power commands list: \n");
for(int i=0;i<(sizeof(commands)/sizeof(commands[0]));i++)
{
printf("\t %s - %s \n", commands[i].name, commands[i].help);
}
}
static power_command_t parse_power_command(const char* command)
{
power_command_t result = POWER_UNKNOWN;
for(int i=0;i<(sizeof(commands)/sizeof(commands[0]));i++)
{
if(strcmp(command, commands[i].name)==0)
result = commands[i].command;
}
return result;
}
const string_quadruple_t* get_dbus_power_interface(power_command_t cmd)
{
switch(cmd)
{
case POWER_OFF_FORCE: return &chassis_dbus;break;
case POWER_ON_GRACEFUL:
case POWER_ON_FORCE:
case POWER_OFF_GRACEFUL:
case POWER_RESET_GRACEFUL:
case POWER_RESET_FORCE:
return &host_dbus;break;
default: return NULL;
}
}
const char* get_dbus_power_property_value(power_command_t cmd)
{
switch(cmd)
{
case POWER_ON_GRACEFUL:
case POWER_ON_FORCE:
return "xyz.openbmc_project.State.Host.Transition.On";break;
case POWER_OFF_GRACEFUL:
return "xyz.openbmc_project.State.Host.Transition.Off";break;
case POWER_OFF_FORCE:
return "xyz.openbmc_project.State.Chassis.Transition.Off";break;
case POWER_RESET_GRACEFUL:
return "xyz.openbmc_project.State.Host.Transition.GracefulWarmReboot";break;
case POWER_RESET_FORCE:
return "xyz.openbmc_project.State.Host.Transition.ForceWarmReboot";break;
default: return NULL;
}
}
int com_power( char *arg )
{
power_command_t cmd = parse_power_command(arg);
if(cmd==POWER_UNKNOWN) {
fprintf(stderr, "Unknown command: %s\n", arg);
print_power_help();
return -EOPNOTSUPP;
}
const string_quadruple_t* dbus_power_interface = get_dbus_power_interface(cmd);
if(!dbus_power_interface)
return -EOPNOTSUPP;
const char* property_val = get_dbus_power_property_value(cmd);
if(!property_val)
return -EOPNOTSUPP;
return dbus_set_property_string(dbus_power_interface->first,
dbus_power_interface->second,
dbus_power_interface->third,
dbus_power_interface->fourth,
property_val);
return 0;
}
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