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api.c
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/*
* Copyright 2011-2014 Andrew Smith
* Copyright 2011-2014 Con Kolivas
* Copyright 2012-2017 Luke Dashjr
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*
* Note: the code always includes GPU support even if there are no GPUs
* this simplifies handling multiple other device code being included
* depending on compile options
*/
#define _MEMORY_DEBUG_MASTER 1
#include "config.h"
#include <math.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <uthash.h>
#include <utlist.h>
#include "compat.h"
#include "deviceapi.h"
#ifdef USE_LIBMICROHTTPD
#include "httpsrv.h"
#endif
#include "miner.h"
#include "util.h"
#include "driver-cpu.h" /* for algo_names[], TODO: re-factor dependency */
#include "driver-opencl.h"
#define HAVE_AN_FPGA 1
// Max amount of data to buffer before sending on the socket
#define RPC_SOCKBUFSIZ 0x10000
// BUFSIZ varies on Windows and Linux
#define TMPBUFSIZ 8192
// Number of requests to queue - normally would be small
// However lots of PGA's may mean more
#define QUEUE 100
static const char *UNAVAILABLE = " - API will not be available";
static const char *MUNAVAILABLE = " - API multicast listener will not be available";
static const char *BLANK = "";
static const char *COMMA = ",";
#define COMSTR ","
static const char SEPARATOR = '|';
#define SEPSTR "|"
static const char GPUSEP = ',';
#define CMDJOIN '+'
#define JOIN_CMD "CMD="
#define BETWEEN_JOIN SEPSTR
static const char *APIVERSION = "3.1";
static const char *DEAD = "Dead";
static const char *SICK = "Sick";
static const char *NOSTART = "NoStart";
static const char *INIT = "Initialising";
static const char *WAIT = "Waiting";
static const char *DISABLED = "Disabled";
static const char *ALIVE = "Alive";
static const char *REJECTING = "Rejecting";
static const char *UNKNOWN = "Unknown";
#define _DYNAMIC "D"
#ifdef USE_OPENCL
static const char *DYNAMIC = _DYNAMIC;
#endif
static const char *YES = "Y";
static const char *NO = "N";
static const char *NULLSTR = "(null)";
static const char *TRUESTR = "true";
static const char *FALSESTR = "false";
#ifdef USE_SCRYPT
static const char *SCRYPTSTR = "scrypt";
#endif
#ifdef USE_SHA256D
static const char *SHA256STR = "sha256";
#endif
static const char *OSINFO =
#if defined(__linux)
"Linux";
#else
#if defined(__APPLE__)
"Apple";
#else
#if defined (__CYGWIN__)
"Cygwin";
#elif defined (WIN32)
"Windows";
#else
#if defined(unix)
"Unix";
#else
"Unknown";
#endif
#endif
#endif
#endif
#define _DEVS "DEVS"
#define _POOLS "POOLS"
#define _SUMMARY "SUMMARY"
#define _STATUS "STATUS"
#define _VERSION "VERSION"
#define _MINECONFIG "CONFIG"
#define _GPU "GPU"
#ifdef HAVE_AN_FPGA
#define _PGA "PGA"
#endif
#ifdef USE_CPUMINING
#define _CPU "CPU"
#endif
#define _GPUS "GPUS"
#define _PGAS "PGAS"
#define _CPUS "CPUS"
#define _NOTIFY "NOTIFY"
#define _DEVDETAILS "DEVDETAILS"
#define _BYE "BYE"
#define _RESTART "RESTART"
#define _MINESTATS "STATS"
#define _CHECK "CHECK"
#define _MINECOIN "COIN"
#define _DEBUGSET "DEBUG"
#define _SETCONFIG "SETCONFIG"
static const char ISJSON = '{';
#define JSON0 "{"
#define JSON1 "\""
#define JSON2 "\":["
#define JSON3 "]"
#define JSON4 ",\"id\":1"
// If anyone cares, id=0 for truncated output
#define JSON4_TRUNCATED ",\"id\":0"
#define JSON5 "}"
#define JSON_START JSON0
#define JSON_DEVS JSON1 _DEVS JSON2
#define JSON_POOLS JSON1 _POOLS JSON2
#define JSON_SUMMARY JSON1 _SUMMARY JSON2
#define JSON_STATUS JSON1 _STATUS JSON2
#define JSON_VERSION JSON1 _VERSION JSON2
#define JSON_MINECONFIG JSON1 _MINECONFIG JSON2
#define JSON_GPU JSON1 _GPU JSON2
#ifdef HAVE_AN_FPGA
#define JSON_PGA JSON1 _PGA JSON2
#endif
#ifdef USE_CPUMINING
#define JSON_CPU JSON1 _CPU JSON2
#endif
#define JSON_GPUS JSON1 _GPUS JSON2
#define JSON_PGAS JSON1 _PGAS JSON2
#define JSON_CPUS JSON1 _CPUS JSON2
#define JSON_NOTIFY JSON1 _NOTIFY JSON2
#define JSON_CLOSE JSON3
#define JSON_MINESTATS JSON1 _MINESTATS JSON2
#define JSON_CHECK JSON1 _CHECK JSON2
#define JSON_DEBUGSET JSON1 _DEBUGSET JSON2
#define JSON_SETCONFIG JSON1 _SETCONFIG JSON2
#define JSON_END JSON4 JSON5
#define JSON_END_TRUNCATED JSON4_TRUNCATED JSON5
#define JSON_BETWEEN_JOIN ","
static const char *JSON_COMMAND = "command";
static const char *JSON_PARAMETER = "parameter";
#define MSG_INVGPU 1
#define MSG_ALRENA 2
#define MSG_ALRDIS 3
#define MSG_GPUMRE 4
#define MSG_GPUREN 5
#define MSG_GPUNON 6
#define MSG_POOL 7
#define MSG_NOPOOL 8
#define MSG_DEVS 9
#define MSG_NODEVS 10
#define MSG_SUMM 11
#define MSG_GPUDIS 12
#define MSG_GPUREI 13
#define MSG_INVCMD 14
#define MSG_MISID 15
#define MSG_GPUDEV 17
#ifdef USE_CPUMINING
#define MSG_CPUNON 16
#define MSG_CPUDEV 18
#define MSG_INVCPU 19
#define MSG_ALRENAC 98
#define MSG_ALRDISC 99
#define MSG_CPUMRE 100
#define MSG_CPUREN 101
#define MSG_CPUDIS 102
#define MSG_CPUREI 103
#endif
#define MSG_NUMGPU 20
#define MSG_NUMCPU 21
#define MSG_VERSION 22
#define MSG_INVJSON 23
#define MSG_MISCMD 24
#define MSG_MISPID 25
#define MSG_INVPID 26
#define MSG_SWITCHP 27
#define MSG_MISVAL 28
#define MSG_NOADL 29
#define MSG_NOGPUADL 30
#define MSG_INVINT 31
#define MSG_GPUINT 32
#define MSG_MINECONFIG 33
#define MSG_GPUMERR 34
#define MSG_GPUMEM 35
#define MSG_GPUEERR 36
#define MSG_GPUENG 37
#define MSG_GPUVERR 38
#define MSG_GPUVDDC 39
#define MSG_GPUFERR 40
#define MSG_GPUFAN 41
#define MSG_MISFN 42
#define MSG_BADFN 43
#define MSG_SAVED 44
#define MSG_ACCDENY 45
#define MSG_ACCOK 46
#define MSG_ENAPOOL 47
#define MSG_DISPOOL 48
#define MSG_ALRENAP 49
#define MSG_ALRDISP 50
#define MSG_DISLASTP 51
#define MSG_MISPDP 52
#define MSG_INVPDP 53
#define MSG_TOOMANYP 54
#define MSG_ADDPOOL 55
#ifdef HAVE_AN_FPGA
#define MSG_PGANON 56
#define MSG_PGADEV 57
#define MSG_INVPGA 58
#endif
#define MSG_NUMPGA 59
#define MSG_NOTIFY 60
#ifdef HAVE_AN_FPGA
#define MSG_PGALRENA 61
#define MSG_PGALRDIS 62
#define MSG_PGAENA 63
#define MSG_PGADIS 64
#define MSG_PGAREI 0x101
#define MSG_PGAUNW 65
#endif
#define MSG_REMLASTP 66
#define MSG_ACTPOOL 67
#define MSG_REMPOOL 68
#define MSG_DEVDETAILS 69
#define MSG_MINESTATS 70
#define MSG_MISCHK 71
#define MSG_CHECK 72
#define MSG_POOLPRIO 73
#define MSG_DUPPID 74
#define MSG_MISBOOL 75
#define MSG_INVBOOL 76
#define MSG_FOO 77
#define MSG_MINECOIN 78
#define MSG_DEBUGSET 79
#define MSG_PGAIDENT 80
#define MSG_PGANOID 81
#define MSG_SETCONFIG 82
#define MSG_UNKCON 83
#define MSG_INVNUM 84
#define MSG_CONPAR 85
#define MSG_CONVAL 86
#ifdef HAVE_AN_FPGA
#define MSG_MISPGAOPT 89
#define MSG_PGANOSET 90
#define MSG_PGAHELP 91
#define MSG_PGASETOK 92
#define MSG_PGASETERR 93
#endif
#define MSG_ZERMIS 94
#define MSG_ZERINV 95
#define MSG_ZERSUM 96
#define MSG_ZERNOSUM 97
#define MSG_DEVSCAN 0x100
#define MSG_BYE 0x101
#define MSG_INVNEG 121
#define MSG_SETQUOTA 122
#define MSG_INVSTRATEGY 0x102
#define MSG_FAILPORT 0x103
#define USE_ALTMSG 0x4000
enum code_severity {
SEVERITY_ERR,
SEVERITY_WARN,
SEVERITY_INFO,
SEVERITY_SUCC,
SEVERITY_FAIL
};
enum code_parameters {
PARAM_COUNT,
PARAM_GPU,
PARAM_PGA,
PARAM_CPU,
PARAM_PID,
PARAM_GPUMAX,
PARAM_PGAMAX,
PARAM_CPUMAX,
PARAM_PMAX,
PARAM_POOLMAX,
// Single generic case: have the code resolve it - see below
PARAM_DMAX,
PARAM_CMD,
PARAM_POOL,
PARAM_STR,
PARAM_BOTH,
PARAM_BOOL,
PARAM_SET,
PARAM_NONE
};
struct CODES {
const enum code_severity severity;
const int code;
const enum code_parameters params;
const char *description;
} codes[] = {
#ifdef USE_OPENCL
{ SEVERITY_ERR, MSG_INVGPU, PARAM_GPUMAX, "Invalid GPU id %d - range is 0 - %d" },
{ SEVERITY_INFO, MSG_ALRENA, PARAM_GPU, "GPU %d already enabled" },
{ SEVERITY_INFO, MSG_ALRDIS, PARAM_GPU, "GPU %d already disabled" },
{ SEVERITY_WARN, MSG_GPUMRE, PARAM_GPU, "GPU %d must be restarted first" },
{ SEVERITY_INFO, MSG_GPUREN, PARAM_GPU, "GPU %d sent enable message" },
#endif
{ SEVERITY_ERR, MSG_GPUNON, PARAM_NONE, "No GPUs" },
{ SEVERITY_SUCC, MSG_POOL, PARAM_PMAX, "%d Pool(s)" },
{ SEVERITY_ERR, MSG_NOPOOL, PARAM_NONE, "No pools" },
{ SEVERITY_SUCC, MSG_DEVS, PARAM_DMAX,
"%d PGA(s)"
},
{ SEVERITY_ERR, MSG_NODEVS, PARAM_NONE, "No PGAs"
},
{ SEVERITY_SUCC, MSG_SUMM, PARAM_NONE, "Summary" },
#ifdef USE_OPENCL
{ SEVERITY_INFO, MSG_GPUDIS, PARAM_GPU, "GPU %d set disable flag" },
{ SEVERITY_INFO, MSG_GPUREI, PARAM_GPU, "GPU %d restart attempted" },
#endif
{ SEVERITY_ERR, MSG_INVCMD, PARAM_NONE, "Invalid command" },
{ SEVERITY_ERR, MSG_MISID, PARAM_NONE, "Missing device id parameter" },
#ifdef USE_OPENCL
{ SEVERITY_SUCC, MSG_GPUDEV, PARAM_GPU, "GPU%d" },
#endif
#ifdef HAVE_AN_FPGA
{ SEVERITY_ERR, MSG_PGANON, PARAM_NONE, "No PGAs" },
{ SEVERITY_SUCC, MSG_PGADEV, PARAM_PGA, "PGA%d" },
{ SEVERITY_ERR, MSG_INVPGA, PARAM_PGAMAX, "Invalid PGA id %d - range is 0 - %d" },
{ SEVERITY_INFO, MSG_PGALRENA,PARAM_PGA, "PGA %d already enabled" },
{ SEVERITY_INFO, MSG_PGALRDIS,PARAM_PGA, "PGA %d already disabled" },
{ SEVERITY_INFO, MSG_PGAENA, PARAM_PGA, "PGA %d sent enable message" },
{ SEVERITY_INFO, MSG_PGADIS, PARAM_PGA, "PGA %d set disable flag" },
{ SEVERITY_ERR, MSG_PGAUNW, PARAM_PGA, "PGA %d is not flagged WELL, cannot enable" },
#endif
#ifdef USE_CPUMINING
{ SEVERITY_ERR, MSG_CPUNON, PARAM_NONE, "No CPUs" },
{ SEVERITY_SUCC, MSG_CPUDEV, PARAM_CPU, "CPU%d" },
{ SEVERITY_ERR, MSG_INVCPU, PARAM_CPUMAX, "Invalid CPU id %d - range is 0 - %d" },
{ SEVERITY_INFO, MSG_ALRENAC, PARAM_CPU, "CPU %d already enabled" },
{ SEVERITY_INFO, MSG_ALRDISC, PARAM_CPU, "CPU %d already disabled" },
{ SEVERITY_WARN, MSG_CPUMRE, PARAM_CPU, "CPU %d must be restarted first" },
{ SEVERITY_INFO, MSG_CPUREN, PARAM_CPU, "CPU %d sent enable message" },
{ SEVERITY_INFO, MSG_CPUDIS, PARAM_CPU, "CPU %d set disable flag" },
{ SEVERITY_INFO, MSG_CPUREI, PARAM_CPU, "CPU %d restart attempted" },
#endif
{ SEVERITY_SUCC, MSG_NUMGPU, PARAM_NONE, "GPU count" },
{ SEVERITY_SUCC, MSG_NUMPGA, PARAM_NONE, "PGA count" },
{ SEVERITY_SUCC, MSG_NUMCPU, PARAM_NONE, "CPU count" },
{ SEVERITY_SUCC, MSG_VERSION, PARAM_NONE, "BFGMiner versions" },
{ SEVERITY_ERR, MSG_INVJSON, PARAM_NONE, "Invalid JSON" },
{ SEVERITY_ERR, MSG_MISCMD, PARAM_CMD, "Missing JSON '%s'" },
{ SEVERITY_ERR, MSG_MISPID, PARAM_NONE, "Missing pool id parameter" },
{ SEVERITY_ERR, MSG_INVPID, PARAM_POOLMAX, "Invalid pool id %d - range is 0 - %d" },
{ SEVERITY_SUCC, MSG_SWITCHP, PARAM_POOL, "Switching to pool %d:'%s'" },
{ SEVERITY_ERR, MSG_MISVAL, PARAM_NONE, "Missing comma after GPU number" },
{ SEVERITY_ERR, MSG_NOADL, PARAM_NONE, "ADL is not available" },
{ SEVERITY_ERR, MSG_NOGPUADL,PARAM_GPU, "GPU %d does not have ADL" },
{ SEVERITY_ERR, MSG_INVINT, PARAM_STR, "Invalid intensity (%s) - must be '" _DYNAMIC "' or range -10 - 31" },
{ SEVERITY_INFO, MSG_GPUINT, PARAM_BOTH, "GPU %d set new intensity to %s" },
{ SEVERITY_SUCC, MSG_MINECONFIG,PARAM_NONE, "BFGMiner config" },
#ifdef USE_OPENCL
{ SEVERITY_ERR, MSG_GPUMERR, PARAM_BOTH, "Setting GPU %d memoryclock to (%s) reported failure" },
{ SEVERITY_SUCC, MSG_GPUMEM, PARAM_BOTH, "Setting GPU %d memoryclock to (%s) reported success" },
{ SEVERITY_ERR, MSG_GPUEERR, PARAM_BOTH, "Setting GPU %d clock to (%s) reported failure" },
{ SEVERITY_SUCC, MSG_GPUENG, PARAM_BOTH, "Setting GPU %d clock to (%s) reported success" },
{ SEVERITY_ERR, MSG_GPUVERR, PARAM_BOTH, "Setting GPU %d vddc to (%s) reported failure" },
{ SEVERITY_SUCC, MSG_GPUVDDC, PARAM_BOTH, "Setting GPU %d vddc to (%s) reported success" },
{ SEVERITY_ERR, MSG_GPUFERR, PARAM_BOTH, "Setting GPU %d fan to (%s) reported failure" },
{ SEVERITY_SUCC, MSG_GPUFAN, PARAM_BOTH, "Setting GPU %d fan to (%s) reported success" },
#endif
{ SEVERITY_ERR, MSG_MISFN, PARAM_NONE, "Missing save filename parameter" },
{ SEVERITY_ERR, MSG_BADFN, PARAM_STR, "Can't open or create save file '%s'" },
{ SEVERITY_SUCC, MSG_SAVED, PARAM_STR, "Configuration saved to file '%s'" },
{ SEVERITY_ERR, MSG_ACCDENY, PARAM_STR, "Access denied to '%s' command" },
{ SEVERITY_SUCC, MSG_ACCOK, PARAM_NONE, "Privileged access OK" },
{ SEVERITY_SUCC, MSG_ENAPOOL, PARAM_POOL, "Enabling pool %d:'%s'" },
{ SEVERITY_SUCC, MSG_POOLPRIO,PARAM_NONE, "Changed pool priorities" },
{ SEVERITY_ERR, MSG_DUPPID, PARAM_PID, "Duplicate pool specified %d" },
{ SEVERITY_SUCC, MSG_DISPOOL, PARAM_POOL, "Disabling pool %d:'%s'" },
{ SEVERITY_INFO, MSG_ALRENAP, PARAM_POOL, "Pool %d:'%s' already enabled" },
{ SEVERITY_INFO, MSG_ALRDISP, PARAM_POOL, "Pool %d:'%s' already disabled" },
{ SEVERITY_ERR, MSG_DISLASTP,PARAM_POOL, "Cannot disable last active pool %d:'%s'" },
{ SEVERITY_ERR, MSG_MISPDP, PARAM_NONE, "Missing addpool details" },
{ SEVERITY_ERR, MSG_INVPDP, PARAM_STR, "Invalid addpool details '%s'" },
{ SEVERITY_ERR, MSG_TOOMANYP,PARAM_NONE, "Reached maximum number of pools (%d)" },
{ SEVERITY_SUCC, MSG_ADDPOOL, PARAM_STR, "Added pool '%s'" },
{ SEVERITY_ERR, MSG_REMLASTP,PARAM_POOL, "Cannot remove last pool %d:'%s'" },
{ SEVERITY_ERR, MSG_ACTPOOL, PARAM_POOL, "Cannot remove active pool %d:'%s'" },
{ SEVERITY_SUCC, MSG_REMPOOL, PARAM_BOTH, "Removed pool %d:'%s'" },
{ SEVERITY_SUCC, MSG_NOTIFY, PARAM_NONE, "Notify" },
{ SEVERITY_SUCC, MSG_DEVDETAILS,PARAM_NONE, "Device Details" },
{ SEVERITY_SUCC, MSG_MINESTATS,PARAM_NONE, "BFGMiner stats" },
{ SEVERITY_ERR, MSG_MISCHK, PARAM_NONE, "Missing check cmd" },
{ SEVERITY_SUCC, MSG_CHECK, PARAM_NONE, "Check command" },
{ SEVERITY_ERR, MSG_MISBOOL, PARAM_NONE, "Missing parameter: true/false" },
{ SEVERITY_ERR, MSG_INVBOOL, PARAM_NONE, "Invalid parameter should be true or false" },
{ SEVERITY_SUCC, MSG_FOO, PARAM_BOOL, "Failover-Only set to %s" },
{ SEVERITY_SUCC, MSG_MINECOIN,PARAM_NONE, "BFGMiner coin" },
{ SEVERITY_SUCC, MSG_DEBUGSET,PARAM_NONE, "Debug settings" },
#ifdef HAVE_AN_FPGA
{ SEVERITY_SUCC, MSG_PGAIDENT,PARAM_PGA, "Identify command sent to PGA%d" },
{ SEVERITY_WARN, MSG_PGANOID, PARAM_PGA, "PGA%d does not support identify" },
#endif
{ SEVERITY_SUCC, MSG_SETCONFIG,PARAM_SET, "Set config '%s' to %d" },
{ SEVERITY_ERR, MSG_UNKCON, PARAM_STR, "Unknown config '%s'" },
{ SEVERITY_ERR, MSG_INVNUM, PARAM_BOTH, "Invalid number (%d) for '%s' range is 0-9999" },
{ SEVERITY_ERR, MSG_INVNEG, PARAM_BOTH, "Invalid negative number (%d) for '%s'" },
{ SEVERITY_ERR, MSG_INVSTRATEGY, PARAM_STR, "Invalid strategy for '%s'" },
{ SEVERITY_ERR, MSG_FAILPORT, PARAM_BOTH, "Failed to set port (%d) for '%s'" },
{ SEVERITY_SUCC, MSG_SETQUOTA,PARAM_SET, "Set pool '%s' to quota %d'" },
{ SEVERITY_ERR, MSG_CONPAR, PARAM_NONE, "Missing config parameters 'name,N'" },
{ SEVERITY_ERR, MSG_CONVAL, PARAM_STR, "Missing config value N for '%s,N'" },
#ifdef HAVE_AN_FPGA
{ SEVERITY_ERR, MSG_MISPGAOPT, PARAM_NONE, "Missing option after PGA number" },
{ SEVERITY_WARN, MSG_PGANOSET, PARAM_PGA, "PGA %d does not support pgaset" },
{ SEVERITY_INFO, MSG_PGAHELP, PARAM_BOTH, "PGA %d set help: %s" },
{ SEVERITY_SUCC, MSG_PGASETOK, PARAM_PGA, "PGA %d set OK" },
{ SEVERITY_SUCC, MSG_PGASETOK | USE_ALTMSG, PARAM_BOTH, "PGA %d set OK: %s" },
{ SEVERITY_ERR, MSG_PGASETERR, PARAM_BOTH, "PGA %d set failed: %s" },
#endif
{ SEVERITY_ERR, MSG_ZERMIS, PARAM_NONE, "Missing zero parameters" },
{ SEVERITY_ERR, MSG_ZERINV, PARAM_STR, "Invalid zero parameter '%s'" },
{ SEVERITY_SUCC, MSG_ZERSUM, PARAM_STR, "Zeroed %s stats with summary" },
{ SEVERITY_SUCC, MSG_ZERNOSUM, PARAM_STR, "Zeroed %s stats without summary" },
{ SEVERITY_SUCC, MSG_DEVSCAN, PARAM_COUNT, "Added %d new device(s)" },
{ SEVERITY_SUCC, MSG_BYE, PARAM_STR, "%s" },
{ SEVERITY_FAIL, 0, 0, NULL }
};
static const char *localaddr = "127.0.0.1";
static int my_thr_id = 0;
static bool bye;
// Used to control quit restart access to shutdown variables
static pthread_mutex_t quit_restart_lock;
static bool do_a_quit;
static bool do_a_restart;
static time_t when = 0; // when the request occurred
static bool per_proc;
struct IP4ACCESS {
in_addr_t ip;
in_addr_t mask;
char group;
};
#define GROUP(g) (toupper(g))
#define PRIVGROUP GROUP('W')
#define NOPRIVGROUP GROUP('R')
#define ISPRIVGROUP(g) (GROUP(g) == PRIVGROUP)
#define GROUPOFFSET(g) (GROUP(g) - GROUP('A'))
#define VALIDGROUP(g) (GROUP(g) >= GROUP('A') && GROUP(g) <= GROUP('Z'))
#define COMMANDS(g) (apigroups[GROUPOFFSET(g)].commands)
#define DEFINEDGROUP(g) (ISPRIVGROUP(g) || COMMANDS(g) != NULL)
struct APIGROUPS {
// This becomes a string like: "|cmd1|cmd2|cmd3|" so it's quick to search
char *commands;
} apigroups['Z' - 'A' + 1]; // only A=0 to Z=25 (R: noprivs, W: allprivs)
static struct IP4ACCESS *ipaccess = NULL;
static int ips = 0;
struct io_data {
bytes_t data;
SOCKETTYPE sock;
// Whether to add various things
bool close;
};
static struct io_data *rpc_io_data;
static void io_reinit(struct io_data *io_data)
{
bytes_reset(&io_data->data);
io_data->close = false;
}
static
struct io_data *sock_io_new()
{
struct io_data *io_data = malloc(sizeof(struct io_data));
bytes_init(&io_data->data);
io_data->sock = INVSOCK;
io_reinit(io_data);
return io_data;
}
static
size_t io_flush(struct io_data *io_data, bool complete)
{
size_t sent = 0, tosend = bytes_len(&io_data->data);
ssize_t n;
struct timeval timeout = {0, complete ? 50000: 0}, tv;
fd_set wd;
int count = 0;
while (tosend)
{
FD_ZERO(&wd);
FD_SET(io_data->sock, &wd);
tv = timeout;
if (select(io_data->sock + 1, NULL, &wd, NULL, &tv) < 1)
break;
n = send(io_data->sock, (void*)&bytes_buf(&io_data->data)[sent], tosend, 0);
if (SOCKETFAIL(n))
{
if (!sock_blocks())
applog(LOG_WARNING, "API: send (%lu) failed: %s", (unsigned long)tosend, SOCKERRMSG);
break;
}
if (count <= 1)
{
if (n == tosend)
applog(LOG_DEBUG, "API: sent all of %lu first go", (unsigned long)tosend);
else
applog(LOG_DEBUG, "API: sent %ld of %lu first go", (long)n, (unsigned long)tosend);
}
else
{
if (n == tosend)
applog(LOG_DEBUG, "API: sent all of remaining %lu (count=%d)", (unsigned long)tosend, count);
else
applog(LOG_DEBUG, "API: sent %ld of remaining %lu (count=%d)", (long)n, (unsigned long)tosend, count);
}
sent += n;
tosend -= n;
}
bytes_shift(&io_data->data, sent);
return sent;
}
static bool io_add(struct io_data *io_data, char *buf)
{
size_t len = strlen(buf);
if (bytes_len(&io_data->data) + len > RPC_SOCKBUFSIZ)
io_flush(io_data, false);
bytes_append(&io_data->data, buf, len);
return true;
}
static void io_close(struct io_data *io_data)
{
io_data->close = true;
}
static void io_free()
{
bytes_free(&rpc_io_data->data);
free(rpc_io_data);
rpc_io_data = NULL;
}
// This is only called when expected to be needed (rarely)
// i.e. strings outside of the codes control (input from the user)
static char *escape_string(char *str, bool isjson)
{
char *buf, *ptr;
int count;
count = 0;
for (ptr = str; *ptr; ptr++) {
switch (*ptr) {
case ',':
case '|':
case '=':
if (!isjson)
count++;
break;
case '"':
if (isjson)
count++;
break;
case '\\':
count++;
break;
}
}
if (count == 0)
return str;
buf = malloc(strlen(str) + count + 1);
if (unlikely(!buf))
quit(1, "Failed to malloc escape buf");
ptr = buf;
while (*str)
switch (*str) {
case ',':
case '|':
case '=':
if (!isjson)
*(ptr++) = '\\';
*(ptr++) = *(str++);
break;
case '"':
if (isjson)
*(ptr++) = '\\';
*(ptr++) = *(str++);
break;
case '\\':
*(ptr++) = '\\';
*(ptr++) = *(str++);
break;
default:
*(ptr++) = *(str++);
break;
}
*ptr = '\0';
return buf;
}
static struct api_data *api_add_extra(struct api_data *root, struct api_data *extra)
{
struct api_data *tmp;
if (root) {
if (extra) {
// extra tail
tmp = extra->prev;
// extra prev = root tail
extra->prev = root->prev;
// root tail next = extra
root->prev->next = extra;
// extra tail next = root
tmp->next = root;
// root prev = extra tail
root->prev = tmp;
}
} else
root = extra;
return root;
}
static
struct api_data *api_add_data_full(struct api_data *root, const char * const name, enum api_data_type type, const void *data, bool copy_data)
{
struct api_data *api_data;
api_data = (struct api_data *)malloc(sizeof(struct api_data));
api_data->name = strdup(name);
api_data->type = type;
if (root == NULL) {
root = api_data;
root->prev = root;
root->next = root;
}
else {
api_data->prev = root->prev;
root->prev = api_data;
api_data->next = root;
api_data->prev->next = api_data;
}
api_data->data_was_malloc = copy_data;
// Avoid crashing on bad data
if (data == NULL) {
api_data->type = type = API_CONST;
data = NULLSTR;
api_data->data_was_malloc = copy_data = false;
}
if (!copy_data)
{
api_data->data = data;
if (type == API_JSON)
json_incref((json_t *)data);
}
else
{
size_t datalen = 0;
switch(type) {
case API_ESCAPE:
case API_STRING:
case API_CONST:
datalen = strlen(data) + 1;
break;
case API_UINT8:
datalen = sizeof(uint8_t);
break;
case API_INT16:
datalen = sizeof(int16_t);
break;
case API_UINT16:
datalen = sizeof(uint16_t);
break;
case API_INT:
datalen = sizeof(int);
break;
case API_UINT:
datalen = sizeof(unsigned int);
break;
case API_UINT32:
datalen = sizeof(uint32_t);
break;
case API_UINT64:
datalen = sizeof(uint64_t);
break;
case API_DOUBLE:
case API_ELAPSED:
case API_MHS:
case API_MHTOTAL:
case API_UTILITY:
case API_FREQ:
case API_HS:
case API_DIFF:
case API_PERCENT:
datalen = sizeof(double);
break;
case API_BOOL:
datalen = sizeof(bool);
break;
case API_TIMEVAL:
datalen = sizeof(struct timeval);
break;
case API_TIME:
datalen = sizeof(time_t);
break;
case API_VOLTS:
case API_TEMP:
datalen = sizeof(float);
break;
case API_JSON:
api_data->data_was_malloc = false;
api_data->data = json_deep_copy((json_t *)data);
break;
default:
applog(LOG_ERR, "API: unknown1 data type %d ignored", type);
api_data->type = API_STRING;
api_data->data_was_malloc = false;
api_data->data = UNKNOWN;
break;
}
if (datalen)
{
void * const copied_data = malloc(datalen);
memcpy(copied_data, data, datalen);
api_data->data = copied_data;
}
}
return root;
}
struct api_data *api_add_escape(struct api_data * const root, const char * const name, const char * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_ESCAPE, data, copy_data);
}
struct api_data *api_add_string(struct api_data * const root, const char * const name, const char * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_STRING, data, copy_data);
}
struct api_data *api_add_const(struct api_data * const root, const char * const name, const char * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_CONST, data, copy_data);
}
struct api_data *api_add_uint8(struct api_data * const root, const char * const name, const uint8_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UINT8, data, copy_data);
}
struct api_data *api_add_int16(struct api_data * const root, const char * const name, const uint16_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_INT16, data, copy_data);
}
struct api_data *api_add_uint16(struct api_data * const root, const char * const name, const uint16_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UINT16, data, copy_data);
}
struct api_data *api_add_int(struct api_data * const root, const char * const name, const int * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_INT, data, copy_data);
}
struct api_data *api_add_uint(struct api_data * const root, const char * const name, const unsigned int * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UINT, data, copy_data);
}
struct api_data *api_add_uint32(struct api_data * const root, const char * const name, const uint32_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UINT32, data, copy_data);
}
struct api_data *api_add_uint64(struct api_data * const root, const char * const name, const uint64_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UINT64, data, copy_data);
}
struct api_data *api_add_double(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_DOUBLE, data, copy_data);
}
struct api_data *api_add_elapsed(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_ELAPSED, data, copy_data);
}
struct api_data *api_add_bool(struct api_data * const root, const char * const name, const bool * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_BOOL, data, copy_data);
}
struct api_data *api_add_timeval(struct api_data * const root, const char * const name, const struct timeval * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_TIMEVAL, data, copy_data);
}
struct api_data *api_add_time(struct api_data * const root, const char * const name, const time_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_TIME, data, copy_data);
}
struct api_data *api_add_mhs(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_MHS, data, copy_data);
}
struct api_data *api_add_mhtotal(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_MHTOTAL, data, copy_data);
}
struct api_data *api_add_temp(struct api_data * const root, const char * const name, const float * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_TEMP, data, copy_data);
}
struct api_data *api_add_utility(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_UTILITY, data, copy_data);
}
struct api_data *api_add_freq(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_FREQ, data, copy_data);
}
struct api_data *api_add_volts(struct api_data * const root, const char * const name, const float * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_VOLTS, data, copy_data);
}
struct api_data *api_add_hs(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_HS, data, copy_data);
}
struct api_data *api_add_diff(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_DIFF, data, copy_data);
}
// json_t is not const since we generally increase the refcount
struct api_data *api_add_json(struct api_data * const root, const char * const name, json_t * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_JSON, data, copy_data);
}
struct api_data *api_add_percent(struct api_data * const root, const char * const name, const double * const data, const bool copy_data)
{
return api_add_data_full(root, name, API_PERCENT, data, copy_data);
}
static struct api_data *print_data(struct api_data *root, char *buf, bool isjson, bool precom)
{
struct api_data *tmp;
bool first = true;
char *original, *escape;
char *quote;
*buf = '\0';
if (precom) {
*(buf++) = *COMMA;
*buf = '\0';
}
if (isjson) {
strcpy(buf, JSON0);
buf = strchr(buf, '\0');
quote = JSON1;
} else
quote = (char *)BLANK;
while (root) {
if (!first)
*(buf++) = *COMMA;
else
first = false;
sprintf(buf, "%s%s%s%s", quote, root->name, quote, isjson ? ":" : "=");
buf = strchr(buf, '\0');
switch(root->type) {
case API_STRING:
case API_CONST:
sprintf(buf, "%s%s%s", quote, (char *)(root->data), quote);
break;
case API_ESCAPE:
original = (char *)(root->data);
escape = escape_string((char *)(root->data), isjson);
sprintf(buf, "%s%s%s", quote, escape, quote);
if (escape != original)
free(escape);
break;
case API_UINT8:
sprintf(buf, "%u", *(uint8_t *)root->data);
break;
case API_INT16:
sprintf(buf, "%d", *(int16_t *)root->data);
break;
case API_UINT16:
sprintf(buf, "%u", *(uint16_t *)root->data);
break;