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libmem-release/options.c

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initial commit for release
2024-08-07 22:24:28 +00:00
/**
* @file options.c
*
* @brief Code file for CLI options
*
* @copyright Copyright (C) 2024 Jackrabbit Founders LLC. All rights reserved.
*
* @date Jul 2024
* @author Barrett Edwards
*
*/
/* INCLUDES ==================================================================*/
/* memset()
* memcpy()
* strdup()
* strlen()
* strnlen()
* strstr()
* strcmp()
* strncmp()
*/
#include <string.h>
/* free()
* calloc()
* malloc()
* realloc()
* strtoul()
* exit()
* getenv()
*/
#include <stdlib.h>
/* struct argp
* struct argp_state
* argp_parse()
*/
#include <argp.h>
#include "options.h"
/* MACROS ====================================================================*/
#define DEFAULT_WIDTH 16 //!< Default width for printing __u8 buffers
#define MIN_WIDTH 4 //!< Minium width for printing buffers
/* ENUMERATIONS ==============================================================*/
/* STRUCTS ===================================================================*/
/**
* Local struct used to define shell environment variables and the key to parse them
*/
struct envopt
{
char key;
char *name;
};
/* PROTOTYPES ================================================================*/
static void print_help(int option);
static void print_options(struct argp_option *o);
static void print_usage(int option, struct argp_option *o);
static int pr_main (int key, char *arg, struct argp_state *state);
static int pr_block (int key, char *arg, struct argp_state *state);
static int pr_list (int key, char *arg, struct argp_state *state);
static int pr_region (int key, char *arg, struct argp_state *state);
static int pr_set (int key, char *arg, struct argp_state *state);
static int pr_show (int key, char *arg, struct argp_state *state);
static int pr_set_block (int key, char *arg, struct argp_state *state);
static int pr_set_region (int key, char *arg, struct argp_state *state);
static int pr_set_system (int key, char *arg, struct argp_state *state);
static int pr_show_block (int key, char *arg, struct argp_state *state);
static int pr_show_capacity (int key, char *arg, struct argp_state *state);
static int pr_show_device (int key, char *arg, struct argp_state *state);
static int pr_show_num (int key, char *arg, struct argp_state *state);
static int pr_show_region (int key, char *arg, struct argp_state *state);
static int pr_show_system (int key, char *arg, struct argp_state *state);
/* GLOBAL VARIABLES ==========================================================*/
/**
* Global varible to store parsed CLI options
*/
struct opt *opts;
const char *argp_program_version = "version 0.1";
/**
* String representation of CLOP Enumeration
*/
char *CLOP[] = {
"VERBOSITY",
"PRNT_OPTS",
"INFILE",
"OUTFILE",
"NUM",
"ALL",
"LEN",
"LIMIT",
"CMD",
"DATA",
"HUMAN",
"DEVICE",
"REGION",
"BLOCK",
"GRANULARITY",
"ZONE",
"ONLINE",
"OFFLINE",
"KERNEL",
"MOVABLE",
"BLOCKS",
"DEVICES",
"REGIONS"
};
/* Help Output strings */
const char *ho_main = "\n\
Usage: mem <options> [[subcommand] <subcommand options>. . .] \n\n\
Subcommands: \n\
block Perform actions on a memory block(s) \n\
info Display information about memory system \n\
list List memory blocks \n\
region Perform actions on a memory region \n\
set Configure a component or sytem setting \n\
show Display information \n\
";
const char *ho_block = "\n\
Usage: mem block <id> [<subcommand> <options>] \n\n\
Subcommands: \n\
online Online a memory block \n\
offline Offline a memory block \n\
kernel Online a memory block to zone normal \n\
movable Online a memory block to zone movable \n\
";
const char *ho_list = "\n\
Usage: mem list [<subcommand> <options>] \n\n\
Filters. These filter the data to include only the desired qualifier: \n\
offline Show offline blocks \n\
online Show online blocks \n\
<region> Show blocks of a region \n\
";
const char *ho_region = "\n\
Usage: mem region [<subcommand> <region name> <options>] \n\n\
Subcommands: \n\
create <devices> Create a region from memory devices (mem0 mem1 ... ) \n\
delete <region> Delete a region \n\
disable <region> Disable a region \n\
enable <region> Enable a region \n\
daxmode <region> Enable DAX mode of a region \n\
rammode <region> Enable RAM mode of a region (default)\n\
";
const char *ho_set = "\n\
Usage: mem set [subcommand <options>] \n\n\
Subcommands: \n\
policy <policy> Set system memory online policy \n\
";
const char *ho_show = "\n\
Usage: mem show [subcommand <options>] \n\n\
Subcommands: \n\
block State of memory blocks \n\
capacity Show memory capacity \n\
device List of memory devices \n\
num Count of items \n\
region List of memory regions \n\
system Memory System values \n\
";
const char *ho_show_block = "\n\
Usage: mem show block <id> [subcommand <options>] \n\n\
Single memory block Subcommands. Requires <id> to be specified: \n\
device Show physical device of a specific block \n\
isonline Show if a specific block is online \n\
isremovable Show if a specific block is removable \n\
node Show the CPU node of a specific block \n\
state Show the state of a specific memory block \n\
zones Show the valid zones of a specific memory block \n\
\n\
Filters. These filter the data to include only the desired qualifier:\n\
offline Show offline memory blocks \n\
online Show online memory blocks \n\
<region> Show memory blocks from region \n\
";
const char *ho_show_capacity = "\n\
Usage: mem show capacity [subcommand <options>] \n\n\
Filters. These filter the data to include only the desired qualifier: \n\
offline Show capacity of offline blocks \n\
online Show capacity of online blocks \n\
<region> Show capacity of a region \n\
";
const char *ho_show_device = "\n\
Usage: mem show device [subcommand <options>] \n\n\
Subcommands: \n\
ig Show device interleave granularity \n\
isavailable Show if device is not currently part of a region \n\n\
Filters. These filter the data to include only the desired qualifier: \n\
<region> Show devices that are part of a region \n\
<mem> Show device that matches this name \n\
";
const char *ho_show_num = "\n\
Usage: mem show num <object to count> <options> \n\n\
Objects to count: \n\
blocks Show number of blocks \n\
devices Show number of devices \n\
regions Show number of regions \n\n\
Filters. These filter the data to include only the desired qualifier: \n\
offline Show number of offline blocks \n\
online Show number of online blocks \n\
<region> Show number of blocks that are part of a region \n\
";
const char *ho_show_region = "\n\
Usage: mem show region [subcommand <options>] \n\n\
Filters. These filter the data to include only the desired qualifier: \n\
<region> Show this region \n\
";
const char *ho_show_system = "\n\
Usage: mem show system [subcommand <options>] \n\n\
Subcommands: \n\
blocksize Show system block size \n\
policy Show system auto online policy \n\
";
/**
* Global array of CLI options to pull from the shell environment if present
*/
struct envopt envopts[] =
{
{0,0}
};
/**
* Global char pointer to dynamically store the name of the application
*
* This is allocated and stored when parse_options() is called
*/
static char *app_name;
/**
* CLAP_MAIN - mem
*/
struct argp_option ao_main[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", OPTION_HIDDEN, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_BLOCK - mem block
*/
struct argp_option ao_block[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, 0, "Object options", 3},
{"block", 'b', "INT", 0, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{"all", 'a', NULL, 0, "Perform action on all items", 0},
{0, 0, 0, 0, "State options", 5},
{"offline", '0', NULL, 0, "Offline object", 0},
{"online", '1', NULL, 0, "Online object", 0},
{"kernel", 'k', NULL, 0, "Zone normal/kernel", 0},
{"movable", 'm', NULL, 0, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_LIST - mem list
*/
struct argp_option ao_list[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Filter options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{"offline", '0', NULL, 0, "List Offline blocks", 0},
{"online", '1', NULL, 0, "List Online blocks", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, 0, "Output options", 7},
{"human", 'H', NULL, 0, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_REGION - mem region
*/
struct argp_option ao_region[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, 0, "Create options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", OPTION_HIDDEN, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", 0, "Interleave Granularity (Default 4096)",0},
{"all", 'a', NULL, 0, "Use all memory devices", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SET - mem set
*/
struct argp_option ao_set[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", OPTION_HIDDEN, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, 0, "Policy options", 5},
{"offline", '0', NULL, 0, "Default new memory blocks to offline", 0},
{"online", '1', NULL, 0, "Default new memory blocks to online", 0},
{"kernel", 'k', NULL, 0, "Default new memory blocks to normal", 0},
{"movable", 'm', NULL, 0, "Default new memory blocks to movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW - mem show
*/
struct argp_option ao_show[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", OPTION_HIDDEN, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_BLOCK - mem show block
*/
struct argp_option ao_show_block[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "Result Filters", 5},
{"block", 'b', "INT", 0, "Memory Block ID (e.g. 306)", 0},
{"offline", '0', NULL, 0, "Offline object", 0},
{"online", '1', NULL, 0, "Online object", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_CAPACITY - mem show capacity
*/
struct argp_option ao_show_capacity[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Filter options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{"offline", '0', NULL, 0, "Offline capacity", 0},
{"online", '1', NULL, 0, "Online capacity", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, 0, "Output options", 7},
{"human", 'H', NULL, 0, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_DEVICE - mem show device
*/
struct argp_option ao_show_device[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", 0, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, 0, "Output options", 7},
{"human", 'H', NULL, 0, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_NUM - mem show num
*/
struct argp_option ao_show_num[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Filters", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"offline", '0', NULL, 0, "Num offline blocks", 0},
{"online", '1', NULL, 0, "Num online blocks", 0},
{"region", 'r', "STR", 0, "Num blocks in region (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, OPTION_HIDDEN, "Output options", 7},
{"human", 'H', NULL, OPTION_HIDDEN, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_REGION - Options for mem show region
*/
struct argp_option ao_show_region[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", 0, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, 0, "Output options", 7},
{"human", 'H', NULL, 0, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* CLAP_SHOW_SYSTEM - mem show system
*/
struct argp_option ao_show_system[] =
{
{0, 0, 0, OPTION_HIDDEN, "Command options", 1},
{0, 0, 0, OPTION_HIDDEN, "Object options", 3},
{"block", 'b', "INT", OPTION_HIDDEN, "Memory Block ID (e.g. 306)", 0},
{"device", 'd', "STR", OPTION_HIDDEN, "Device name (e.g. mem0)", 0},
{"region", 'r', "STR", OPTION_HIDDEN, "Region name (e.g. region0)", 0},
{"interleave", 'g', "INT", OPTION_HIDDEN, "Interleave Granularity (e.g. 4096)", 0},
{0, 0, 0, OPTION_HIDDEN, "State options", 5},
{"offline", '0', NULL, OPTION_HIDDEN, "Offline object", 0},
{"online", '1', NULL, OPTION_HIDDEN, "Online object", 0},
{"kernel", 'k', NULL, OPTION_HIDDEN, "Zone normal/kernel", 0},
{"movable", 'm', NULL, OPTION_HIDDEN, "Zone movable", 0},
{0, 0, 0, 0, "Output options", 7},
{"human", 'H', NULL, 0, "Human readable output (K, M, G, T)", 0},
{"num", 'n', NULL, OPTION_HIDDEN, "Dsipaly the number of items", 0},
{"all", 'a', NULL, OPTION_HIDDEN, "Perform action on all items", 0},
{0, 0, 0, 0, "Help options", 9},
{"help", 'h', NULL, 0, "Display Help", 0},
{"usage", 701, NULL, 0, "Display Usage", 0},
{"version", 702, NULL, 0, "Display Version", 0},
{"print-options", 706, NULL, OPTION_HIDDEN, "Print options array", 0},
{0,0,0,0,0,0} // Final option should be all null
};
/**
* struct argp objects
*
* Use [CLAP] enum to index into this array
*/
struct argp ap_main = {ao_main , pr_main , 0, 0, 0, 0, 0};
struct argp ap_block = {ao_block , pr_block , 0, 0, 0, 0, 0};
struct argp ap_list = {ao_list , pr_list , 0, 0, 0, 0, 0};
struct argp ap_region = {ao_region , pr_region , 0, 0, 0, 0, 0};
struct argp ap_set = {ao_set , pr_set , 0, 0, 0, 0, 0};
struct argp ap_show = {ao_show , pr_show , 0, 0, 0, 0, 0};
struct argp ap_show_block = {ao_show_block , pr_show_block , 0, 0, 0, 0, 0};
struct argp ap_show_capacity = {ao_show_capacity , pr_show_capacity , 0, 0, 0, 0, 0};
struct argp ap_show_device = {ao_show_device , pr_show_device , 0, 0, 0, 0, 0};
struct argp ap_show_num = {ao_show_num , pr_show_num , 0, 0, 0, 0, 0};
struct argp ap_show_region = {ao_show_region , pr_show_region , 0, 0, 0, 0, 0};
struct argp ap_show_system = {ao_show_system , pr_show_system , 0, 0, 0, 0, 0};
/* FUNCTIONS =================================================================*/
/*
* Print a unsigned char buffer
*/
static void prnt_buf(void *buf, unsigned long len, unsigned long width, int print_header)
{
unsigned long i, j, k, rows;
__u8 *ptr;
/* STEP 1: Verify Inputs */
if ( buf == NULL)
return;
if ( len == 0 )
return;
if ( width == 0 )
width = DEFAULT_WIDTH;
if ( width < MIN_WIDTH )
width = MIN_WIDTH;
ptr = (__u8*) buf;
/* Compute the number of rows to print */
rows = len / width;
if ( (len % width) > 0)
rows++;
/* Print index '0x0000: ' */
if (print_header) {
printf(" ");
for ( i = 0 ; i < width ; i++ )
printf("%02lu ", i);
printf("\n");
}
k = 0;
for ( i = 0 ; i < rows ; i++ ) {
printf("0x%08lx: ", i * width);
for ( j = 0 ; j < width ; j++ ) {
if (k >= len)
break;
printf("%02x ", ptr[i*width + j]);
k++;
}
printf("\n");
}
return;
}
/**
* Return a string representation of CLI Option Names [CLOP]
*/
char *clop(int u)
{
if (u >= CLOP_MAX)
return NULL;
else
return CLOP[u];
}
/**
* Free allocated memory by option parsing proceedure
*
* @return 0 upon success. Non zero otherwise
*/
int options_free()
{
int rv;
struct opt *o;
int i;
rv = 1;
if (opts == NULL)
goto end;
for ( i = 0 ; i < CLOP_MAX ; i++ )
{
o = &opts[i];
// Free buf field
if (o->buf)
free(o->buf);
o->buf = NULL;
// Free str field
if (o->str)
free(o->str);
o->str = NULL;
}
// Free options array
free(opts);
// Free app Name
if (app_name)
free(app_name);
rv = 0;
end:
return rv;
}
/**
* Print the command line flag options to the screen as part of help output
*
* @param o the menu level [CLAP] enum
*/
static void print_options(struct argp_option *o)
{
int len;
while (o->doc != NULL)
{
// Break if this is the ending NULL entry
if ( !o->name && !o->key && !o->arg && !o->flags && !o->doc && !o->group )
break;
// Skip Hidden Options
if (o->flags & OPTION_HIDDEN) {
o++;
continue;
}
// Determine if this is a section heading
else if ( !o->name && !o->key && !o->arg && !o->flags && o->doc)
printf("\n%s:\n", o->doc);
// Print normal option entry
else {
// IF this option has a single character key, print the key, else print spaces
if (isalnum(o->key))
printf(" -%c, ", o->key);
else
printf(" ");
len = 6;
// If this option has a long name, print the long name
if (o->name) {
printf("--%s", o->name);
len += strlen(o->name) + 2;
}
// If this option has an arg type, print the type
if (o->arg) {
printf("=%s", o->arg);
len += strlen(o->arg) + 1;
}
// Print remaining spaces up to description column
for ( int i = 0 ; i < CLMR_HELP_COLUMN - len ; i++ )
printf(" ");
// Print description of this option
printf("%s\n", o->doc);
}
o++;
}
}
/**
* Debug function to print out the options array at the end of parsing
*/
static void print_options_array(struct opt *o)
{
int i, len, maxlen;
maxlen = 0;
// Find max length of CLOP String
for (i = 0 ; i < CLOP_MAX ; i++) {
len = strlen(clop(i));
if (len > maxlen)
maxlen = len;
}
// Print Header
printf("##"); // index
printf(" Name"); // OP Name
for (int k = 5 ; k <= maxlen ; k++) // Spaces
printf(" ");
printf(" S"); // Set
printf(" u8"); // u8
printf(" u16"); // u16
printf(" u32"); // u32
printf(" u64"); // u64
printf(" val"); // val
printf(" num"); // num
printf(" len"); // len
printf(" str"); // str
printf("\n");
// Print each entry
for (i = 0 ; i < CLOP_MAX ; i++) {
// index
printf("%02d", i);
// OP Name
printf(" %s", clop(i));
// Spaces
for (int k = strlen(clop(i)) ; k < maxlen ; k++)
printf(" ");
printf(" %d", o[i].set); // Set
printf(" 0x%02x", o[i].u8); // u8
printf(" 0x%04x", o[i].u16); // u16
printf(" 0x%08x", o[i].u32); // u32
printf(" 0x%016llx", o[i].u64); // u64
printf(" 0x%04x", o[i].val); // val
printf(" 0x%016llx", o[i].num); // num
printf(" 0x%016llx", o[i].len); // len
if (o[i].str)
printf(" %s", o[i].str);
printf("\n");
if (o[i].len > 0)
prnt_buf(o[i].buf, o[i].len, 4, 0);
}
}
/**
* Print the usage information for a option level
*
* @param option Menu item from enum [CLAP]
* @param o struct argp_option* to the string data to pull from
* STEPS:
* 1: Initialize variables
* 2: Generate header text
* 3: Count the number of short options with no argument
* 4: If there is at least one short option with no arg, append short options with no argument here
* 5: Append short options with arguments
* 6: Append long options
* 7: Find index of last space before character 80
* 8: Loop through usage buffer and break it up into smaller chunks
*/
static void print_usage(int option, struct argp_option *o)
{
int hdr_len, buf_len, num, i, index;
char buf[4096];
char str[4096];
char *ptr;
struct argp_option *original;
// STEP 1: Initialize variables
num = 0;
index = 0;
hdr_len = 0;
buf_len = 1;
memset(buf, 0, 4096);
memset(str, 0, 4096);
original = o;
ptr = buf;
// STEP 2: Generate header text
switch(option)
{
case CLAP_MAIN: sprintf(str, "Usage: %s ", app_name); break;
case CLAP_SET: sprintf(str, "Usage: %s set ", app_name); break;
case CLAP_SHOW: sprintf(str, "Usage: %s show ", app_name); break;
case CLAP_BLOCK: sprintf(str, "Usage: %s block ", app_name); break;
default: break;
}
hdr_len = strlen(str);
// STEP 3: Count the number of short options with no argument
while ( !( !o->name && !o->key && !o->arg && !o->flags && !o->doc && !o->group ) )
{
if (isalnum(o->key) && !o->arg)
num++;
o++;
}
// Reset pointer
o = original;
// STEP 4: If there is at least one short option with no arg, append short options with no argument here
if ( num > 0 )
{
// Add Leader [-
sprintf(&buf[buf_len], "[-");
buf_len += 2;
// Add each key character
while ( !( !o->name && !o->key && !o->arg && !o->flags && !o->doc && !o->group ) )
{
// If this option has a single character key, print the key, else print spaces
if (isalnum(o->key) && !o->arg) {
sprintf(&buf[buf_len], "%c", o->key);
buf_len += 1;
}
o++;
}
// Add trailing ]
sprintf(&buf[buf_len], "] ");
buf_len += 2;
}
// Reset pointer
o = original;
// STEP 5: Append short options with arguments
while ( !( !o->name && !o->key && !o->arg && !o->flags && !o->doc && !o->group ) )
{
// If this option has a single character key and an arg
if (isalnum(o->key) && o->arg) {
sprintf(&buf[buf_len], "[-%c=%s] ", o->key, o->arg);
buf_len += 6;
buf_len += strlen(o->arg);
}
o++;
}
// Reset pointer
o = original;
// STEP 6: Append long options
while ( !( !o->name && !o->key && !o->arg && !o->flags && !o->doc && !o->group ) )
{
// If this option has a long name, print the long name
if (o->name)
{
sprintf(&buf[buf_len], "[--%s", o->name);
buf_len += strlen(o->name) + 3;
// If this option has an arg type, print the type
if (o->arg)
{
sprintf(&buf[buf_len], "=%s", o->arg);
buf_len += strlen(o->arg) + 1;
}
// Add trailing ]
sprintf(&buf[buf_len], "] ");
buf_len += 2;
}
o++;
}
// STEP 7: Find index of last space before character 80
index = 0;
for ( i = 1 ; i < (CLMR_MAX_HELP_WIDTH-hdr_len) ; i++ ) {
if (ptr[i] == ' ')
index = i;
if (ptr[i]==0)
break;
}
// STEP 8: Loop through usage buffer and break it up into smaller chunks
while (index != 0)
{
// Copy the line of the buffer into str
memcpy(&str[hdr_len], &ptr[1], index-1);
// Set the next char after the string to 0
str[hdr_len+index-1] = 0;
// Print the merged string
printf("%s\n", str);
// Clear the header portion of the print str
memset(str, ' ', hdr_len);
// Advance buffer
ptr = &ptr[index];
// Find index of last space before character 80
index = 0;
for ( i = 1 ; i < (CLMR_MAX_HELP_WIDTH-hdr_len) ; i++ ) {
if (ptr[i] == ' ')
index = i;
if (ptr[i]==0)
break;
}
}
}
/**
* Print the Help output
*
* @param option the level to print [CLAP]
*
*/
static void print_help(int option)
{
printf("Memory Expression Management CLI Tool\n");
switch (option)
{
case CLAP_MAIN:
printf("%s", ho_main);
print_options(ao_main);
printf("\n");
break;
case CLAP_BLOCK:
printf("%s", ho_block);
print_options(ao_block);
printf("\n");
break;
case CLAP_LIST:
printf("%s", ho_list);
print_options(ao_list);
printf("\n");
break;
case CLAP_REGION:
printf("%s", ho_region);
print_options(ao_region);
printf("\n");
break;
case CLAP_SET:
printf("%s", ho_set);
print_options(ao_set);
printf("\n");
break;
case CLAP_SHOW:
printf("%s", ho_show);
print_options(ao_show);
printf("\n");
break;
case CLAP_SHOW_BLOCK:
printf("%s", ho_show_block);
print_options(ao_show_block);
printf("\n");
break;
case CLAP_SHOW_CAPACITY:
printf("%s", ho_show_capacity);
print_options(ao_show_capacity);
printf("\n");
break;
case CLAP_SHOW_DEVICE:
printf("%s", ho_show_device);
print_options(ao_show_device);
printf("\n");
break;
case CLAP_SHOW_NUM:
printf("%s", ho_show_num);
print_options(ao_show_num);
printf("\n");
break;
case CLAP_SHOW_REGION:
printf("%s", ho_show_region);
print_options(ao_show_region);
printf("\n");
break;
case CLAP_SHOW_SYSTEM:
printf("%s", ho_show_system);
print_options(ao_show_system);
printf("\n");
break;
default:
break;
}
}
/**
* Common parse function
*
* This function implements the common flags to most parsers
*
* @return 0 success, non-zero to indicate a problem
*
* Global keys
* -T --tcp-address Server TCP Address
* -P --tcp-port Server TCP Port
* -V --verbosity Set Verbosity Flag
* -X --verbosity-hex Set all Verbosity Flags with hex value
* -A --all All of collection
* -h --help Display Help
*
* Standard key mapping
* -n --length Length
* -o --offset Memory Offset
* -w --write Perform a Write transaction
* --data Write Data (up to 4 bytes)
* --infile Filename for input data
* --outfile Filename for output data
*
* Non char key mapping
* 701 - usage
* 702 - version
* 703 - data
* 704 - infile
* 705 - outfile
* 706 - print-options
*
* Special Keys:
* ARGP_KEY_INIT Called first. Initialize any data structures here
* ARGP_KEY_ARG Called for non option parameter (no flag)
* ARGP_KEY_NO_ARGS Only called if there are no args at all
* ARGP_KEY_SUCCESS Called after all args completed successfuly
* ARGP_KEY_END Last call. Verify parameters. Fill in missing parameters
* ARGP_KEY_ERROR Called after an error
* ARGP_KEY_FINI Absolutely last call to this parse functon
*/
static int pr_common(int key, char *arg, struct argp_state *state, int type, struct argp_option *ao)
{
struct opt *o, *opts = (struct opt*) state->input;
int rv = 0;
switch (key)
{
// all
case 'a':
o = &opts[CLOP_ALL];
o->set = 1;
break;
// block
case 'b':
o = &opts[CLOP_BLOCK];
o->set = 1;
o->val = strtoul(arg, NULL, 0);
break;
// device
case 'd':
o = &opts[CLOP_DEVICE];
o->set = 1;
o->str = strdup(arg);
rv = sscanf(arg, "mem%d", &o->u32);
if (rv != 1)
{
fprintf(stderr, "Error: Could not parse mem device: %s\n", arg);
exit(1);
}
rv = 0;
break;
// granularity
case 'g':
o = &opts[CLOP_GRANULARITY];
o->set = 1;
o->u32 = strtoul(arg, NULL, 0);
break;
// help
case 'h':
print_help(type);
exit(0);
break;
// human
case 'H':
o = &opts[CLOP_HUMAN];
o->set = 1;
break;
// kernel
case 'k':
o = &opts[CLOP_KERNEL];
o->set = 1;
break;
// movable
case 'm':
o = &opts[CLOP_MOVABLE];
o->set = 1;
break;
// num
case 'n':
o = &opts[CLOP_NUM];
o->set = 1;
break;
// offline
case 'o':
o = &opts[CLOP_OFFLINE];
o->set = 1;
break;
// online
case 'O':
o = &opts[CLOP_ONLINE];
o->set = 1;
break;
// region
case 'r':
o = &opts[CLOP_REGION];
o->set = 1;
o->str = strdup(arg);
rv = sscanf(arg, "region%d", &o->u32);
if (rv != 1)
{
fprintf(stderr, "Error: Could not parse region: %s\n", arg);
rv = 1;
exit(1);
}
rv = 0;
break;
// verbosity
case 'v':
o = &opts[CLOP_VERBOSITY];
o->set = 1;
o->u32 += 1;
break;
// usage
case 701:
print_usage(type, ao);
exit(0);
break;
// version
case 702:
printf("%s\n", argp_program_version);
exit(0);
break;
// print-options
case 706:
o = &opts[CLOP_PRNT_OPTS];
o->set = 1;
break;
// Last call. Verify parameters. Fill in missing values
case ARGP_KEY_END:
break;
}
return rv;
}
/**
* Parse function for: mem
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_main(int key, char *arg, struct argp_state *state)
{
struct opt *o, *opts = (struct opt*) state->input;
int rv = pr_common(key, arg, state, CLAP_MAIN, ao_main);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "block") || !strcmp(arg, "blk") )
rv = argp_parse(&ap_block, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "info"))
{
o = &opts[CLOP_CMD];
o->set = 1;
o->val = CLCM_INFO;
}
else if (!strcmp(arg, "list"))
rv = argp_parse(&ap_list, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "region") || !strcmp(arg, "reg") )
rv = argp_parse(&ap_region, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "set"))
rv = argp_parse(&ap_set, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "show"))
rv = argp_parse(&ap_show, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else
argp_error (state, "Invalid subcommand");
// Stop current parser
state->next = state->argc;
break;
case ARGP_KEY_END:
// Print options array if requested
if (opts[CLOP_PRNT_OPTS].set)
print_options_array(opts);
// Print help if a command has not been set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_MAIN);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem block
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_block(int key, char *arg, struct argp_state *state)
{
struct opt *o, *opts = (struct opt*) state->input;
int index, index1, index2, rv = pr_common(key, arg, state, CLAP_BLOCK, ao_block);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "online") || !strcmp(arg, "on") )
opts[CLOP_ONLINE].set = 1;
else if (!strcmp(arg, "offline") || !strcmp(arg, "off" ) )
opts[CLOP_OFFLINE].set = 1;
else if (!strcmp(arg, "kernel") || !strcmp(arg, "normal") )
opts[CLOP_KERNEL].set = 1;
else if (!strcmp(arg, "movable") || !strcmp(arg, "move") )
opts[CLOP_KERNEL].set = 1;
else if (!strcmp(arg, "all") )
opts[CLOP_ALL].set = 1;
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else
{
char *dash = strstr(arg, "-");
if (dash == NULL && sscanf(arg, "%d ", &index1) == 1)
{
o = &opts[CLOP_BLOCK];
o->set = 1;
o->val = index1;
}
else if (dash != NULL && sscanf(arg, "%d-%d", &index1, &index2) == 2)
{
o = &opts[CLOP_BLOCK];
o->set = 1;
o->num = (index2-index1)+1;
o->buf = calloc(o->num, sizeof(int));
for (int i = 0 ; i < (int) o->num ; i++)
((int*)o->buf)[i] = index1+i;
}
else
argp_error (state, "Invalid subcommand");
}
break;
case ARGP_KEY_END:
if (opts[CLOP_REGION].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SET_REGION_BLOCK_STATE;
}
else if (opts[CLOP_OFFLINE].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_BLOCK_OFFLINE;
}
else if (opts[CLOP_MOVABLE].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SET_BLOCK_STATE;
opts[CLOP_ZONE].set = 1;
opts[CLOP_ZONE].val = CLZN_MOVABLE;
}
else if (opts[CLOP_KERNEL].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SET_BLOCK_STATE;
opts[CLOP_ZONE].set = 1;
opts[CLOP_ZONE].val = CLZN_NORMAL;
}
else if (opts[CLOP_ONLINE].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_BLOCK_ONLINE;
}
if ( (opts[CLOP_ONLINE].set
+ opts[CLOP_OFFLINE].set
+ opts[CLOP_KERNEL].set
+ opts[CLOP_MOVABLE].set) > 1)
{
fprintf(stderr, "Error: Multiple states specified. Specify only one desired block state\n");
exit(0);
}
// Print options array if requested
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// If the block identifier is not set, print help and exit
if (opts[CLOP_BLOCK].set == 0 && opts[CLOP_ALL].set == 0)
{
fprintf(stderr, "Error: Missing block id(s)\n");
print_help(CLAP_BLOCK);
exit(0);
}
// Print help if a command has not been set
if (!opts[CLOP_CMD].set)
{
fprintf(stderr, "Error: Missing command\n");
print_help(CLAP_BLOCK);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem list
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_list(int key, char *arg, struct argp_state *state)
{
struct opt *o, *opts = (struct opt*) state->input;
int index, index1, index2, rv = pr_common(key, arg, state, CLAP_LIST, ao_list);
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_LIST;
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "online") || !strcmp(arg, "on") )
opts[CLOP_ONLINE].set = 1;
else if (!strcmp(arg, "offline") || !strcmp(arg, "off" ) )
opts[CLOP_OFFLINE].set = 1;
else if (!strcmp(arg, "kernel") || !strcmp(arg, "normal") )
opts[CLOP_KERNEL].set = 1;
else if (!strcmp(arg, "movable") || !strcmp(arg, "move") )
opts[CLOP_KERNEL].set = 1;
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else
{
char *dash = strstr(arg, "-");
if (dash == NULL && sscanf(arg, "%d ", &index1) == 1)
{
o = &opts[CLOP_BLOCK];
o->set = 1;
o->val = index1;
}
else if (dash != NULL && sscanf(arg, "%d-%d", &index1, &index2) == 2)
{
o = &opts[CLOP_BLOCK];
o->set = 1;
o->num = (index2-index1)+1;
o->buf = calloc(o->num, sizeof(int));
for (int i = 0 ; i < (int) o->num ; i++)
((int*)o->buf)[i] = index1+i;
}
else
argp_error (state, "Invalid subcommand");
}
break;
case ARGP_KEY_END:
if ( (opts[CLOP_ONLINE].set
+ opts[CLOP_OFFLINE].set
+ opts[CLOP_KERNEL].set
+ opts[CLOP_MOVABLE].set) > 1)
{
fprintf(stderr, "Error: Multiple online states specified. Specify only one desired block state\n");
exit(0);
}
// Print options array if requested
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
break;
}
return rv;
}
/**
* Parse function for: mem region
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_region(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, rv = pr_common(key, arg, state, CLAP_REGION, ao_region);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "create"))
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_CREATE;
}
else if (!strcmp(arg, "daxmode") || !strcmp(arg, "dax") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_DAXMODE;
}
else if (!strcmp(arg, "delete") || !strcmp(arg, "del") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_DELETE;
}
else if (!strcmp(arg, "disable") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_DISABLE;
}
else if (!strcmp(arg, "enable") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_ENABLE;
}
else if (!strcmp(arg, "rammode") || !strcmp(arg, "ram") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_REGION_RAMMODE;
}
else if (!strcmp(arg, "all") )
opts[CLOP_ALL].set = 1;
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else if (sscanf(arg, "mem%d", &index) == 1)
{
if (opts[CLOP_CMD].val != CLCM_REGION_CREATE)
argp_error (state, "Invalid subcommand");
opts[CLOP_DEVICE].set = 1;
opts[CLOP_DEVICE].num++;
opts[CLOP_DEVICE].buf = realloc(opts[CLOP_DEVICE].buf, sizeof(char *) * opts[CLOP_DEVICE].num);
((char**) opts[CLOP_DEVICE].buf)[opts[CLOP_DEVICE].num-1] = strdup(arg);
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if (opts[CLOP_CMD].val == CLCM_REGION_CREATE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_DEVICE].set)
{
opts[CLOP_ALL].set = 1;
}
if (opts[CLOP_CMD].val == CLCM_REGION_DELETE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_REGION].set)
{
fprintf(stderr, "Error: Missing region name or all\n");
print_help(CLAP_REGION);
exit(1);
}
if (opts[CLOP_CMD].val == CLCM_REGION_DISABLE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_REGION].set)
{
fprintf(stderr, "Error: Missing region name or all\n");
print_help(CLAP_REGION);
exit(1);
}
if (opts[CLOP_CMD].val == CLCM_REGION_ENABLE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_REGION].set)
{
opts[CLOP_ALL].set = 1;
}
if (opts[CLOP_CMD].val == CLCM_REGION_DAXMODE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_REGION].set)
{
fprintf(stderr, "Error: Missing region name or all\n");
print_help(CLAP_REGION);
exit(1);
}
if (opts[CLOP_CMD].val == CLCM_REGION_RAMMODE
&& !opts[CLOP_ALL].set
&& !opts[CLOP_REGION].set)
{
fprintf(stderr, "Error: Missing region name or all\n");
print_help(CLAP_REGION);
exit(1);
}
// Print options array if requested
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Print help if a command has not been set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_REGION);
exit(1);
}
break;
}
return rv;
}
/**
* Parse function for: mem set
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_set(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int rv = pr_common(key, arg, state, CLAP_SET, ao_set);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "policy") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SET_SYSTEM_POLICY;
}
else if (!strcmp(arg, "online") || !strcmp(arg, "on") )
{
opts[CLOP_ONLINE].set = 1;
}
else if (!strcmp(arg, "offline") || !strcmp(arg, "off") )
{
opts[CLOP_OFFLINE].set = 1;
}
else if (!strcmp(arg, "kernel") )
{
opts[CLOP_KERNEL].set = 1;
}
else if (!strcmp(arg, "movable") || !strcmp(arg, "move") )
{
opts[CLOP_MOVABLE].set = 1;
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if (opts[CLOP_CMD].val == CLCM_SET_SYSTEM_POLICY
&& !opts[CLOP_ONLINE].set
&& !opts[CLOP_OFFLINE].set
&& !opts[CLOP_KERNEL].set
&& !opts[CLOP_MOVABLE].set)
{
fprintf(stderr, "Error: Missing policy\n");
exit(0);
}
if ( (opts[CLOP_ONLINE].set
+ opts[CLOP_OFFLINE].set
+ opts[CLOP_KERNEL].set
+ opts[CLOP_MOVABLE].set) > 1)
{
fprintf(stderr, "Error: Multiple policies specified. Specify only one policy\n");
exit(0);
}
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
if (!opts[CLOP_CMD].set)
{
fprintf(stderr, "Error: Missing subcommand\n");
print_help(CLAP_SET);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int rv = pr_common(key, arg, state, CLAP_SHOW, ao_show);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "block") || !strcmp(arg, "blk") || !strcmp(arg, "blocks") )
rv = argp_parse(&ap_show_block, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "capacity") || !strcmp(arg, "cap") || !strcmp(arg, "size") )
rv = argp_parse(&ap_show_capacity, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "device") || !strcmp(arg, "dev") || !strcmp(arg, "devices") )
rv = argp_parse(&ap_show_device, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "num") )
rv = argp_parse(&ap_show_num, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "region") || !strcmp(arg, "rgn") || !strcmp(arg, "regions") )
rv = argp_parse(&ap_show_region, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else if (!strcmp(arg, "system") || !strcmp(arg, "sys") )
rv = argp_parse(&ap_show_system, state->argc-state->next+1, &state->argv[state->next-1], ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
else
argp_error (state, "Invalid subcommand");
// Stop current parser
state->next = state->argc;
break;
case ARGP_KEY_END:
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
fprintf(stderr, "Error: Missing command\n");
print_help(CLAP_SHOW);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show block
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_block(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, val, rv = pr_common(key, arg, state, CLAP_SHOW_BLOCK, ao_show_block);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "isonline") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_ISONLINE;
}
else if (!strcmp(arg, "isremovable") || !strcmp(arg, "removable") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_ISREMOVABLE;
}
else if (!strcmp(arg, "node") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_NODE;
}
else if (!strcmp(arg, "device") || !strcmp(arg, "physdevice") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_PHYSDEVICE;
}
else if (!strcmp(arg, "state") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_STATE;
}
else if (!strcmp(arg, "zones") || !strcmp(arg,"validzones") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLK_ZONES;
}
else if (!strcmp(arg, "online") || !strcmp(arg, "on") )
{
opts[CLOP_ONLINE].set = 1;
}
else if (!strcmp(arg, "offline") || !strcmp(arg, "off") )
{
opts[CLOP_OFFLINE].set = 1;
}
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else if (sscanf(arg, "%d", &index) == 1)
{
opts[CLOP_BLOCK].set = 1;
opts[CLOP_BLOCK].val = index;
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
val = opts[CLOP_CMD].val;
if ( ( val == CLCM_SHOW_BLK_ISONLINE
|| val == CLCM_SHOW_BLK_ISREMOVABLE
|| val == CLCM_SHOW_BLK_NODE
|| val == CLCM_SHOW_BLK_PHYSDEVICE
|| val == CLCM_SHOW_BLK_STATE
|| val == CLCM_SHOW_BLK_ZONES )
&& !opts[CLOP_BLOCK].set)
{
fprintf(stderr, "Error: You must supply a block id for individual block state commands\n");
exit(1);
}
if (!opts[CLOP_CMD].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_BLOCKS;
}
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_SHOW_BLOCK);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show capacity
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_capacity(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, rv = pr_common(key, arg, state, CLAP_SHOW_CAPACITY, ao_show_capacity);
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_CAPACITY;
switch (key)
{
case ARGP_KEY_ARG:
if (sscanf(arg, "region%d", &index) )
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else if (!strcmp(arg, "online") || !strcmp(arg, "on") )
{
opts[CLOP_ONLINE].set = 1;
}
else if (!strcmp(arg, "offline") || !strcmp(arg, "off") )
{
opts[CLOP_OFFLINE].set = 1;
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if ( ( opts[CLOP_ONLINE].set
+ opts[CLOP_OFFLINE].set) > 1)
{
fprintf(stderr, "Error: Contradictory filter states specified. Please only specify online or offline\n");
exit(1);
}
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_SHOW_CAPACITY);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show device
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_device(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, rv = pr_common(key, arg, state, CLAP_SHOW_DEVICE, ao_show_device);
switch (key)
{
case ARGP_KEY_ARG:
if (sscanf(arg, "mem%d", &index) == 1)
{
opts[CLOP_DEVICE].set = 1;
opts[CLOP_DEVICE].str = strdup(arg);
}
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else if (!strcmp(arg, "isavailable") || !strcmp(arg, "available") || !strcmp(arg, "avail") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_DEVICE_ISAVAILABLE;
}
else if (!strcmp(arg, "ig") || !strcmp(arg, "granularity") || !strcmp(arg, "interleave") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_DEVICE_INTERLEAVE_GRANULARITY;
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if (opts[CLOP_CMD].val == CLCM_SHOW_DEVICE_ISAVAILABLE
&& !opts[CLOP_DEVICE].set)
{
fprintf(stderr, "Error: You must specify a device when using subcommand: isavailable\n");;
exit(1);
}
if (opts[CLOP_CMD].val == CLCM_SHOW_DEVICE_INTERLEAVE_GRANULARITY
&& !opts[CLOP_DEVICE].set)
{
fprintf(stderr, "Error: You must specify a device when using subcommand: ig\n");;
exit(1);
}
if (opts[CLOP_DEVICE].set
&& !opts[CLOP_CMD].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_DEVICES;
}
if (!opts[CLOP_CMD].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_DEVICES;
}
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_SHOW_DEVICE);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show num
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_num(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, rv = pr_common(key, arg, state, CLAP_SHOW_NUM, ao_show_num);
opts[CLOP_NUM].set = 1;
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "blocks") || !strcmp(arg, "blk") || !strcmp(arg, "block") )
opts[CLOP_BLOCKS].set = 1;
else if (!strcmp(arg, "devices") || !strcmp(arg, "dev") || !strcmp(arg, "device") )
opts[CLOP_DEVICES].set = 1;
else if (!strcmp(arg, "regions") || !strcmp(arg, "reg") )
opts[CLOP_REGIONS].set = 1;
else if (!strcmp(arg, "online") || !strcmp(arg, "on") )
opts[CLOP_ONLINE].set = 1;
else if (!strcmp(arg, "offline") || !strcmp(arg, "off") )
opts[CLOP_OFFLINE].set = 1;
else if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if ( ( opts[CLOP_BLOCKS].set
+ opts[CLOP_DEVICES].set
+ opts[CLOP_REGIONS].set) > 1)
{
fprintf(stderr, "Error: Specify only one type of object\n");
exit(1);
}
// Default to show num blocks if no object is specified
if ( ( opts[CLOP_BLOCKS].set
+ opts[CLOP_DEVICES].set
+ opts[CLOP_REGIONS].set) == 0)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_NUM_BLOCKS;
}
else if (opts[CLOP_BLOCKS].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_NUM_BLOCKS;
}
else if (opts[CLOP_DEVICES].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_NUM_DEVICES;
}
else if (opts[CLOP_REGIONS].set)
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_NUM_REGIONS;
}
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_SHOW_NUM);
exit(0);
}
break;
}
return rv;
}
/**
* Parse function for: mem show region
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_region(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int index, rv = pr_common(key, arg, state, CLAP_SHOW_REGION, ao_show_region);
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_REGIONS;
switch (key)
{
case ARGP_KEY_ARG:
if (sscanf(arg, "region%d", &index) == 1)
{
opts[CLOP_REGION].set = 1;
opts[CLOP_REGION].str = strdup(arg);
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
break;
}
return rv;
}
/**
* Parse function for: mem show system
*
* @return 0 success, non-zero to indicate a problem
*/
static int pr_show_system(int key, char *arg, struct argp_state *state)
{
struct opt *opts = (struct opt*) state->input;
int rv = pr_common(key, arg, state, CLAP_SHOW_SYSTEM, ao_show_system);
switch (key)
{
case ARGP_KEY_ARG:
if (!strcmp(arg, "blocksize") || !strcmp(arg, "size") || !strcmp(arg, "bs") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_SYSTEM_BLOCKSIZE;
}
else if (!strcmp(arg, "policy") )
{
opts[CLOP_CMD].set = 1;
opts[CLOP_CMD].val = CLCM_SHOW_SYSTEM_POLICY;
}
else
argp_error (state, "Invalid subcommand");
break;
case ARGP_KEY_END:
if (opts[CLOP_PRNT_OPTS].set)
{
print_options_array(opts);
opts[CLOP_PRNT_OPTS].set = 0;
}
// Fail if no command is set
if (!opts[CLOP_CMD].set)
{
print_help(CLAP_SHOW_SYSTEM);
exit(0);
}
break;
}
return rv;
}
/**
* Obtain option defaults from environment if present
*
* @return 0 on Success, non zero otherwise
*/
int options_getenv()
{
struct argp_state state;
int rv;
char *o;
struct envopt *e;
// Initialize variables
rv = 1;
state.input = opts;
e = envopts;
if (e == NULL)
goto end;
// Loop through global envopts array
while (e->key != 0)
{
// Get value from shell environment
o = getenv(e->name);
// If the returned value is not NULL parse using pr_common()
if (o != NULL)
pr_common(e->key, o, &state, 0, NULL);
// Advance to the next entry in the global envopts array
e++;
}
rv = 0;
end:
return rv;
}
/**
* Parse CLI options
*
* @param argc Number of CLI parameters
* @param argv Array of string pointers to CLI parameters
*
* STEPS
* 1: Store app name in global variable
* 2: Allocate and clear memory for options array
* 3: Obtain Option defaults from shell environment
* 4: Parse options
*/
int options_parse(int argc, char *argv[])
{
int rv, len;
char default_name[] = "app";
rv = 1;
// STEP 1: Store app name in global variable
app_name = NULL;
if (argc > 0)
{
len = strnlen(argv[0], CLMR_MAX_NAME_LEN);
if (len > 0)
{
app_name = malloc(len+1);
if (app_name == NULL)
goto end;
memset(app_name, 0, len+1);
if (!strncmp("./", argv[0], 2))
memcpy(app_name, &argv[0][2], len);
else
memcpy(app_name, argv[0], len);
}
}
else
app_name = default_name;
// STEP 2: Allocate and clear memory for options array
opts = calloc(CLOP_MAX, sizeof(struct opt));
if (opts == NULL)
goto end_name;
// STEP 3: Obtain Option defaults from shell environment
options_getenv();
// STEP 4: Parse options
rv = argp_parse(&ap_main, argc, argv, ARGP_IN_ORDER | ARGP_NO_HELP, 0, opts);
if (rv != 0)
goto end_opt;
return rv;
end_opt:
free(opts);
end_name:
if (app_name && app_name != default_name)
free(app_name);
end:
return rv;
}
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