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skyclient.c
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/*
* Copyright (C) 2021-2022 Skycharge GmbH
* Author: Roman Penyaev <[email protected]>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <endian.h>
#include <limits.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <netdb.h>
#include <fcntl.h>
#include <zlib.h>
#include <math.h>
#include <regex.h>
#include <libelf.h>
#include <gelf.h>
#include "libskycharge.h"
#include "libskycharge-pri.h"
#include "skyclient-cmd.h"
#include "version.h"
#include "types.h"
#define CONFFILE "/etc/skycharge.conf"
#define SINKFWFILE "/usr/lib/firmware/skysink.elf"
#define PROGRESSBAR "=================================================="
#define PROGRESSBARWIDTH (sizeof(PROGRESSBAR) - 1)
struct progress_bar_state {
unsigned long long prev_ts_ms;
unsigned long long avg_eta_msecs;
unsigned prev_text_len;
double prev_perc;
};
void print_progress(struct progress_bar_state *s,
double percentage, const char *text)
{
unsigned long long eta_msecs = 0;
unsigned min, sec, len_diff;
unsigned val, lpad, rpad;
percentage = clamp_val(percentage, 0.0, 1.0);
val = percentage * 100;
lpad = percentage * PROGRESSBARWIDTH;
rpad = PROGRESSBARWIDTH - lpad;
/* ETA estimation */
if (s->prev_ts_ms) {
double left;
left = (1.0 - percentage) / (percentage - s->prev_perc);
/* Integrate and add 1s to have smooth ending */
eta_msecs = (msecs_epoch() - s->prev_ts_ms) * left + 1000;
}
s->prev_ts_ms = msecs_epoch();
s->prev_perc = percentage;
if (percentage >= 1.0) {
s->avg_eta_msecs = 0;
} else {
s->avg_eta_msecs = ema(s->avg_eta_msecs, eta_msecs, 0.8);
}
seconds_to_hms(s->avg_eta_msecs/1000, NULL, &min, &sec);
if (s->prev_text_len > strlen(text)) {
len_diff = s->prev_text_len - strlen(text);
} else {
len_diff = 0;
}
s->prev_text_len = strlen(text);
printf("\r%3d%% |%.*s%*s| %02um:%02us | %s%*s", val, lpad,
PROGRESSBAR, rpad, "", min, sec, text, len_diff, "");
fflush(stdout);
}
static inline unsigned int sky_dev_desc_crc32(struct sky_dev_desc *devdesc)
{
uLong crc;
crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, (void *)devdesc->dev_uuid, sizeof(devdesc->dev_uuid));
crc = crc32(crc, (void *)devdesc->portname, strlen(devdesc->portname));
return crc;
}
static bool resolve_hostname_and_connection_probe(struct cli *cli)
{
struct addrinfo hints, *res, *rp;
bool resolved = false;
int rc;
memset(&hints, 0, sizeof (hints));
hints.ai_family = AF_INET; /* IPv4 only */
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_NUMERICSERV;
rc = getaddrinfo(cli->addr, cli->port, &hints, &res);
if (rc) {
if (rc != EAI_NONAME)
sky_err("getaddrinfo(%s): %s\n", cli->addr,
gai_strerror(rc));
goto out;
}
for (rp = res; rp != NULL; rp = rp->ai_next) {
struct timeval timeout;
int fd;
fd = socket(rp->ai_family, rp->ai_socktype,
rp->ai_protocol);
if (fd == -1)
continue;
/* Few seconds should be enough */
timeout.tv_sec = 5;
timeout.tv_usec = 0;
setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO,
&timeout, sizeof(timeout));
rc = connect(fd, rp->ai_addr, rp->ai_addrlen);
resolved = (rc == 0);
close(fd);
break;
}
freeaddrinfo(res);
out:
return resolved;
}
/**
* Unix UTC time to ISO8601, no timezone adjustment.
* example: 2007-12-11T23:38:51.033Z
*
* Taken from gpsd/gpsutils.c
*/
static void unix_to_iso8601(double fixtime, char isotime[], size_t len)
{
struct tm when;
double integral, fractional;
time_t intfixtime;
char timestr[30];
char fractstr[10];
fractional = modf(fixtime, &integral);
intfixtime = (time_t) integral;
(void)gmtime_r(&intfixtime, &when);
(void)strftime(timestr, sizeof(timestr), "%Y-%m-%dT%H:%M:%S", &when);
/*
* Do not mess casually with the number of decimal digits in the
* format! Most GPSes report over serial links at 0.01s or 0.001s
* precision.
*/
(void)snprintf(fractstr, sizeof(fractstr), "%.3f", fractional);
/* add fractional part, ignore leading 0; "0.2" -> ".2" */
(void)snprintf(isotime, len, "%s%sZ", timestr, strchr(fractstr,'.'));
}
static void sky_prepare_conf(struct cli *cli, struct sky_conf *conf)
{
const char *conffile = cli->conff ?: CONFFILE;
int rc;
rc = sky_confparse(conffile, conf);
if (cli->addr && cli->port) {
/* Remote client, config should exist and parsed successfully */
if (rc) {
sky_err("sky_confparse(): %s\n", strerror(-rc));
exit(-1);
}
conf->contype = SKY_REMOTE;
/* TODO: we still get addr and port from command line */
conf->cliport = strtol(cli->port, NULL, 10);
conf->subport = conf->cliport + 1;
strncpy(conf->hostname, cli->addr,
sizeof(conf->hostname)-1);
} else {
/* Local client, config may be missing */
if (rc && rc != -ENOENT) {
sky_err("sky_confparse(): %s\n", strerror(-rc));
exit(-1);
}
conf->contype = SKY_LOCAL;
}
}
static struct sky_dev_desc *sky_find_devdesc_by_id(struct sky_dev_desc *head,
const char *devid)
{
struct sky_dev_desc *devdesc;
char id[16];
foreach_devdesc(devdesc, head) {
snprintf(id, sizeof(id), "%08X", sky_dev_desc_crc32(devdesc));
if (!strcmp(devid, id))
return devdesc;
}
return NULL;
}
static void sky_prepare_dev(struct cli *cli, struct sky_dev **dev,
struct sky_dev_desc **devdesc,
struct sky_dev_desc **devdescs)
{
struct sky_conf conf;
int rc;
sky_prepare_conf(cli, &conf);
rc = sky_devslist(&conf, devdescs);
if (rc) {
if (rc == -ENODEV)
fprintf(stderr, "No devices found.\n");
else
sky_err("sky_devslist(): %s\n", strerror(-rc));
exit(-1);
}
if (!cli->listdevs) {
if (!cli->devid) {
if ((*devdescs)->next) {
sky_err("Error: multiple devices found, please specify --id <dev-id>\n");
exit(-1);
}
*devdesc = *devdescs;
} else {
*devdesc = sky_find_devdesc_by_id(*devdescs, cli->devid);
if (!*devdesc) {
sky_err("Error: device by id '%s' was no found\n",
cli->devid);
exit(-1);
}
}
rc = sky_devopen(*devdesc, dev);
if (rc) {
sky_err("sky_devopen(): %s\n", strerror(-rc));
exit(-1);
}
} else {
*dev = NULL;
*devdesc = NULL;
}
}
static void sky_print_charging_state(enum sky_dev_type dev_type,
struct cli *cli,
struct sky_charging_state *state)
{
char timestr[64];
struct timeval tv;
struct tm *tm;
size_t len;
gettimeofday(&tv, NULL);
tm = localtime(&tv.tv_sec);
if (tm == NULL) {
sky_err("localtime(): %s\n", strerror(errno));
exit(-1);
}
if (dev_type == SKY_MUX_HW1 && cli->linkstat) {
sky_err("--link-stat is not supported for the HW1\n");
exit(-1);
}
len = strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S", tm);
snprintf(timestr + len, sizeof(timestr) - len,
".%03ld", tv.tv_usec/1000);
if (cli->json) {
unsigned hours, mins, secs;
printf("{\n");
printf("\t\"timestamp\": \"%s\",\n", timestr);
printf("\t\"state\": \"%s\",\n",
sky_devstate_to_str(dev_type, state->dev_hw_state));
if (dev_type == SKY_MUX_HW2)
printf("\t\"reason\": \"%s\",\n",
sky_devreason_to_str(state->dev_hw_reason));
printf("\t\"voltage\": \"%.3f\",\n", state->voltage_mV / 1000.0f);
printf("\t\"current\": \"%.3f\",\n", state->current_mA / 1000.0f);
printf("\t\"power\": \"%.3f\"%s\n",
(float)state->voltage_mV * state->current_mA / 1000000.0f,
dev_type == SKY_MUX_HW2 ? "," : "");
if (dev_type == SKY_MUX_HW2) {
printf("\t\"energy\": \"%.3f\",\n", state->energy_mWh / 1000.0f);
printf("\t\"charge\": \"%.3f\",\n", state->charge_mAh / 1000.0f);
printf("\t\"source-humidity\": \"%u\",\n", state->mux_humidity_perc);
printf("\t\"source-temperature\": \"%d\",\n", state->mux_temperature_C);
printf("\t\"sink-temperature\": \"%d\",\n", state->sink_temperature_C);
seconds_to_hms(state->charging_secs, &hours, &mins, &secs);
printf("\t\"charging\": \"%02uh:%02um:%02us\",\n", hours, mins, secs);
seconds_to_hms(state->until_full_secs, &hours, &mins, &secs);
printf("\t\"soc\": \"%u%% ~ %02uh:%02um\"%s\n",
state->state_of_charge, hours, mins,
cli->linkstat ? "," : "");
if (cli->linkstat) {
printf("\t\"link-stat\" : {\n");
printf("\t\t\"link-quality\": \"%u\",\n"
"\t\t\"tx-bytes\": \"%u\",\n"
"\t\t\"tx-packets\": \"%u\",\n"
"\t\t\"tx-err-bytes\": \"%u\",\n"
"\t\t\"tx-err-packets\": \"%u\",\n"
"\t\t\"rx-bytes\": \"%u\",\n"
"\t\t\"rx-packets\": \"%u\",\n"
"\t\t\"rx-err-bytes\": \"%u\",\n"
"\t\t\"rx-err-packets\": \"%u\"\n",
state->link_quality_factor,
state->tx.bytes,
state->tx.packets,
state->tx.err_bytes,
state->tx.err_packets,
state->rx.bytes,
state->rx.packets,
state->rx.err_bytes,
state->rx.err_packets);
printf("\t}\n");
}
}
printf("}\n");
} else if (!cli->pretty) {
if (dev_type == SKY_MUX_HW2) {
printf("%s\t%-30s\t%.3fV\t%.3fA\t%.3fW\t%.3fWh\t%.3fAh\t%us\t%us\t",
timestr,
sky_devstate_and_reason_to_str(dev_type,
state->dev_hw_state,
state->dev_hw_reason),
state->voltage_mV / 1000.0f,
state->current_mA / 1000.0f,
state->voltage_mV * state->current_mA / 1000000.0f,
state->energy_mWh / 1000.0f,
state->charge_mAh / 1000.0f,
state->charging_secs,
state->until_full_secs);
if (cli->linkstat) {
printf("\t%u\t%u\t%u\t%u\t%u\t%u\t%u\t%u\t%u%%\n",
state->tx.bytes,
state->tx.packets,
state->tx.err_bytes,
state->tx.err_packets,
state->rx.bytes,
state->rx.packets,
state->rx.err_bytes,
state->rx.err_packets,
state->link_quality_factor);
}
printf("\n");
} else {
printf("%s\t%-30s\t%.3fV\t%.3fA\t%.3fW\n",
timestr,
sky_devstate_to_str(dev_type, state->dev_hw_state),
state->voltage_mV / 1000.0f,
state->current_mA / 1000.0f,
state->voltage_mV * state->current_mA / 1000000.0f);
}
} else {
unsigned hours, mins, secs;
printf("Timestamp: %s\n", timestr);
printf("Dev state: %s\n",
sky_devstate_and_reason_to_str(dev_type,
state->dev_hw_state,
state->dev_hw_reason));
printf("Voltage: %.3fV\n", state->voltage_mV / 1000.0f);
printf("Current: %.3fA\n", state->current_mA / 1000.0f);
printf("Power: %.3fW\n",
(float)state->voltage_mV * state->current_mA / 1000000.0f);
if (dev_type == SKY_MUX_HW2) {
printf("Energy: %.3fWh\n", state->energy_mWh / 1000.0f);
printf("Charge: %.3fAh\n", state->charge_mAh / 1000.0f);
printf("Source humidity: %d%%\n", state->mux_humidity_perc);
printf("Source temp: %dC\n", state->mux_temperature_C);
printf("Sink temp: %dC\n", state->sink_temperature_C);
seconds_to_hms(state->charging_secs, &hours, &mins, &secs);
printf("Charging: %02uh:%02um:%02us\n", hours, mins, secs);
seconds_to_hms(state->until_full_secs, &hours, &mins, &secs);
if (cli->linkstat) {
printf("Link quality: %u%%\n"
"TX stat:\n"
" bytes: %u\n"
" packets: %u\n"
" err bytes: %u\n"
" err packets: %u\n"
"RX stat:\n"
" bytes: %u\n"
" packets: %u\n"
" err bytes: %u\n"
" err packets: %u\n",
state->link_quality_factor,
state->tx.bytes,
state->tx.packets,
state->tx.err_bytes,
state->tx.err_packets,
state->rx.bytes,
state->rx.packets,
state->rx.err_bytes,
state->rx.err_packets);
}
}
printf("\n");
}
}
static void sky_print_gpsdata(struct cli *cli, struct sky_gpsdata *gpsdata)
{
char isotime[64];
unix_to_iso8601(gpsdata->fix.time, isotime, sizeof(isotime));
printf("Time: %s\n", isotime);
printf("Lat/Lon: %f %f\n", gpsdata->fix.latitude,
gpsdata->fix.longitude);
if (isnan(gpsdata->fix.altitude))
printf("Altitude: ?\n");
else
printf("Altitude: %f\n", gpsdata->fix.altitude);
printf("Status: STATUS_%s\n",
gpsdata->status == SKY_GPS_STATUS_DGPS_FIX ? "DGPS_FIX" :
gpsdata->status == SKY_GPS_STATUS_FIX ? "FIX" :
"NO_FIX");
printf("Mode: MODE_%s\n",
gpsdata->fix.mode == SKY_GPS_MODE_3D ? "3D" :
gpsdata->fix.mode == SKY_GPS_MODE_2D ? "2D" :
gpsdata->fix.mode == SKY_GPS_MODE_NO_FIX ? "NO_FIX" :
"ZERO");
printf("Quality: %d p=%2.2f h=%2.2f v=%2.2f t=%2.2f g=%2.2f\n",
gpsdata->satellites_used, gpsdata->dop.pdop, gpsdata->dop.hdop,
gpsdata->dop.vdop, gpsdata->dop.tdop, gpsdata->dop.gdop);
}
struct sky_on_charging_state_arg {
struct sky_dev_desc *devdesc;
struct cli *cli;
};
static void sky_on_charging_state(void *data, struct sky_charging_state *state)
{
struct sky_on_charging_state_arg *arg = data;
sky_print_charging_state(arg->devdesc->dev_type, arg->cli, state);
}
static void
parse_key_value_params(bool is_dev_params, struct sky_dev_desc *devdesc,
struct sky_dev_params *params,
const char *param, const char *value)
{
unsigned nr_params, i;
int rc;
if (is_dev_params) {
if (devdesc->dev_type == SKY_MUX_HW1)
nr_params = SKY_HW1_NUM_DEVPARAM;
else
nr_params = SKY_HW2_NUM_DEVPARAM;
} else {
nr_params = SKY_SINK_NUM_DEVPARAM;
}
i = is_dev_params ?
sky_devparam_from_str(devdesc->dev_type, param) :
sky_sinkparam_from_str(param);
if (i == nr_params) {
fprintf(stderr, "Incorrect parameter: %s\n", param);
fprintf(stderr, "Please, use one of the following:\n");
for (i = 0; i < nr_params; i++) {
const char *str;
str = is_dev_params ?
sky_devparam_to_str(devdesc->dev_type, i) :
sky_sinkparam_to_str(i);
fprintf(stderr, "\t%s\n", str);
}
exit(-1);
}
if (is_dev_params) {
rc = sky_devparam_value_from_str(value,
devdesc->dev_type,
i, params);
if (rc) {
sky_err("Can't parse value '%s' for param %s\n",
value, param);
exit(-1);
}
} else {
rc = sky_sinkparam_value_from_str(value, i, params);
if (rc) {
sky_err("Can't parse value '%s' for param %s\n",
value, param);
exit(-1);
}
}
}
/**
* parse_dev_or_sink_params() - parse device or sink params and fills in bitset
*
* NOTE: if @devdesc or @params is NULL function verifies command line arguments
* without updating the params bitset
*
*/
static void parse_dev_or_sink_params(struct cli *cli, struct sky_dev_desc *devdesc,
struct sky_dev_params *params)
{
const char params_delims[] = ";, ";
const char kv_delims[] = "=:";
char *tmp1, *tmp2, *kv;
char *param, *value;
char *params_str;
bool is_dev_params;
if (params)
memset(params, 0, sizeof(*params));
is_dev_params = cli->setdevparam || cli->setdevparams;
if (cli->setdevparam || cli->setsinkparam) {
size_t len = strlen(cli->key) + strlen(cli->value) + 2;
params_str = alloca(len);
snprintf(params_str, len, "%s:%s", cli->key, cli->value);
} else if (cli->setdevparams || cli->setsinkparams) {
params_str = strdupa(cli->keyvaluepairsstring);
} else {
sky_err("Neither sink, neither dev params are going to be set\n");
exit(-1);
}
while ((kv = strtok_r(params_str, params_delims, &tmp1))) {
params_str = NULL;
param = strtok_r(kv, kv_delims, &tmp2);
value = tmp2;
if (!strlen(value)) {
sky_err("Value for a parameter '%s' is missing\n",
param);
exit(-1);
}
if (devdesc && params)
parse_key_value_params(is_dev_params, devdesc,
params, param, value);
}
}
static void dump_section_and_flash_firmware(const struct cli *cli,
const struct sky_flash_info *info,
struct sky_dev *dev, int fd,
Elf_Scn* scn)
{
size_t start_addr, end_addr;
struct sky_flash_chunk chunk;
ssize_t len, to_read;
GElf_Shdr shdr;
int rc, retries;
char buf[64];
double progress, step;
struct progress_bar_state progress_state;
const int max_retries = 5;
memset(&progress_state, 0, sizeof(progress_state));
if (gelf_getshdr(scn , &shdr) != &shdr) {
fprintf(stderr, "ELF error: can't get section data\n");
exit(-1);
}
start_addr = shdr.sh_addr;
end_addr = shdr.sh_addr + shdr.sh_size;
progress = 0.0;
step = 0.02 / ((end_addr - start_addr) / (double)info->page_size);
/* Erase loop */
for (; start_addr < end_addr; start_addr += info->page_size) {
snprintf(buf, sizeof(buf), "erasing flash page 0x%08zx", start_addr);
print_progress(&progress_state, progress, buf);
progress += step;
rc = sky_sink_flash_pageerase(dev, start_addr);
if (rc) {
sky_err("sky_sink_flash_pageerase(0x%08zx): %s\n",
start_addr, strerror(-rc));
exit(-1);
}
}
start_addr = shdr.sh_addr;
rc = lseek(fd, shdr.sh_offset, SEEK_SET);
if (rc < 0) {
fprintf(stderr, "seek(): %s\n", strerror(errno));
exit(-1);
}
step = 0.97 / ((end_addr - start_addr) / (double)info->max_chunk_size);
/* Write loop */
to_read = min_t(uint32_t, sizeof(chunk.buf), info->max_chunk_size);
while (start_addr < end_addr) {
len = read(fd, &chunk.buf, to_read);
if (len < 0) {
fprintf(stderr, "Error: read from file failed: %s\n",
strerror(errno));
exit(-1);
} else if (len == 0) {
fprintf(stderr, "Error: unexpected end of file while read\n");
exit(-1);
}
chunk.addr = start_addr;
chunk.size = len;
retries = max_retries;
retry:
snprintf(buf, sizeof(buf), "writing %zu bytes to 0x%08zx", len, start_addr);
print_progress(&progress_state, progress, buf);
progress += step;
rc = sky_sink_flash_chunkwrite(dev, &chunk);
if (rc) {
if (--retries)
goto retry;
fprintf(stderr, "sky_sink_flash_chunkwrite(0x%08zx, %zu): %s\n",
start_addr, len, strerror(-rc));
exit(-1);
}
start_addr += len;
}
/* Commit start firmware address */
if (!cli->bootloader) {
rc = sky_sink_flash_startaddrset(dev, shdr.sh_addr);
if (rc) {
fprintf(stderr, "sky_sink_flash_startaddrset(0x%08" PRIx64 "): %s\n",
shdr.sh_addr, strerror(-rc));
exit(-1);
}
}
print_progress(&progress_state, 1.0, "firmware update completed");
printf("\n");
}
static void sink_firmware_update(const struct cli *cli, struct sky_dev *dev)
{
struct sky_flash_info info;
Elf_Scn* scn = NULL;
size_t shstrndx;
GElf_Shdr shdr;
Elf* elf;
const char *section_name = cli->bootloader ? ".bootloader" : NULL;
const char *fwfile = cli->elffile ? cli->elffile : SINKFWFILE;
int fd, rc;
printf("Firmware file: %s\n", fwfile);
fd = open(fwfile, O_RDONLY);
if (fd == -1) {
fprintf(stderr, "Error: can't open '%s' file for reading: %s\n",
fwfile, strerror(errno));
exit(-1);
}
rc = sky_sink_flash_info(dev, &info);
if (rc) {
fprintf(stderr, "sky_sink_flash_info(): %s\n",
strerror(-rc));
exit(-1);
}
if (elf_version(EV_CURRENT) == EV_NONE) {
fprintf(stderr, "Could not initialize libelf\n");
exit(-1);
}
elf = elf_begin(fd, ELF_C_READ, NULL);
if (!elf) {
fprintf(stderr, "Error: can't read file '%s' aself: %s\n",
fwfile, elf_errmsg(elf_errno()));
exit(-1);
}
if (elf_getshdrstrndx(elf, &shstrndx)) {
fprintf(stderr, "ELF error: can't find section name section\n");
exit(-1);
}
while ((scn = elf_nextscn(elf, scn))) {
const char* scn_name;
if (gelf_getshdr(scn , &shdr) != &shdr) {
fprintf(stderr, "ELF error: can't get section data\n");
exit(-1);
}
scn_name = elf_strptr(elf, shstrndx , shdr.sh_name);
if (scn_name == NULL) {
fprintf(stderr, "ELF error: can't get section name\n");
exit(-1);
}
if (section_name && !strcmp(scn_name, section_name)) {
break;
} else if (!section_name &&
(!strcmp(scn_name, ".main1") || !strcmp(scn_name, ".main2"))) {
if (shdr.sh_addr != info.real_addr)
/* We search for a section with different address */
break;
}
}
if (!scn) {
fprintf(stderr, "Firmware section was not found, is the '%s' correct sink firmware file?\n",
fwfile);
exit(-1);
}
/* Section found, write data to the sink device */
dump_section_and_flash_firmware(cli, &info, dev, fd, scn);
elf_end(elf);
close(fd);
}
static void sink_passthru_send(struct sky_dev *dev)
{
struct {
struct sky_passthru_msg msg;
uint8_t byte;
} buffer;
int rc, len, off;
for (off = 0; off < sizeof(buffer); ) {
len = read(0, buffer.msg.buf + off, sizeof(buffer) - off);
if (len < 0) {
fprintf(stderr, "read(stdin): %s\n", strerror(errno));
exit(-1);
}
if (!len)
break;
off += len;
}
if (off > sizeof(buffer.msg.buf)) {
fprintf(stderr, "Buffer overflow, expects not more than %zu bytes\n",
sizeof(buffer.msg.buf));
exit(-1);
}
buffer.msg.len = off;
rc = sky_sink_passthru_msgsend(dev, &buffer.msg);
if (rc) {
fprintf(stderr, "sky_sink_passthru_msgsend(): %s\n", strerror(-rc));
exit(-1);
}
}
static void sink_passthru_recv(struct sky_dev *dev)
{
struct sky_passthru_msg msg;
int len, rc;
rc = sky_sink_passthru_msgrecv(dev, &msg);
if (rc) {
fprintf(stderr, "sky_sink_passthru_msgrecv(): %s\n", strerror(-rc));
exit(-1);
}
if (msg.len) {
len = write(1, msg.buf, msg.len);
if (len < 0) {
fprintf(stderr, "write(stdout): %s\n", strerror(-rc));
exit(-1);
}
}
}
/**
* List of commands which should be passed directly to the device
* bypassing the server.
*/
static bool only_directly_permitted_command(struct cli *cli)
{
return (cli->sinkfirmwareupdate ||
cli->sinkflashinfo);
}
int main(int argc, char *argv[])
{
struct sky_dev_desc *devdescs = NULL;
struct sky_dev_desc *devdesc;
struct sky_dev *dev;
struct cli cli;
int rc, i;
rc = cli_parse(argc, argv, &cli);
if (rc) {
fprintf(stderr, "%s\n", cli_usage);
return -1;
}
if (!cli.addr) {
/* By default connect to the server locally */
cli.addr = strdup("localhost");
}
if (only_directly_permitted_command(&cli) ||
!strcmp(cli.addr, "directly")) {
/* Still have a possibility to bypass the server */
free(cli.addr);
cli.addr = NULL;
}
if (cli.port) {
const char *regexp = "[^[:digit:]]+";
regmatch_t match;
regex_t rgx;
rc = regcomp(&rgx, regexp, REG_EXTENDED | REG_NEWLINE);
assert(!rc);
rc = regexec(&rgx, cli.port, 1, &match, 0);
regfree(&rgx);
if (rc != REG_NOMATCH) {
fprintf(stderr, "Error: You've called a remote command invocation and specified the remote address '%s' and port '%s', but port is an invalid number.\n"
" If you attempted to call the 'monitor' command with the '1000 --raw' parameters, be aware that these parameters don't exist any more.\n"
" See help for details.\n", cli.addr, cli.port);
return -1;
}
} else {
/* Default broker port */
cli.port = strdup("5555");
}
if (cli.discoverbroker) {
struct sky_brokerinfo brokerinfo;
unsigned int timeout_ms;
int rc;
if (cli.timeoutsecs)
timeout_ms = atoi(cli.timeoutsecs) * 1000;
else
timeout_ms = 5000;
rc = sky_discoverbroker(&brokerinfo, timeout_ms);
if (rc) {
sky_err("sky_discoverbroker(): %s\n", strerror(-rc));
exit(-1);
}
printf("Found skybroker:\n");
printf("\t%s addr: %s\n",
brokerinfo.af_family == AF_INET6 ? "IPv6" : "IPv4",
brokerinfo.addr);
printf("\tServers port: %u\n", brokerinfo.servers_port);
printf("\tClients port: %u\n", brokerinfo.clients_port);
printf("\tProtocol version: %u.%u\n",
(brokerinfo.proto_version >> 8) & 0xff,
brokerinfo.proto_version & 0xff);
cli_free(&cli);
return 0;
} else if (cli.peerinfo) {
struct sky_peerinfo peerinfo;
struct sky_conf conf;
int rc;
sky_prepare_conf(&cli, &conf);
rc = sky_peerinfo(&conf, &peerinfo);
if (rc) {
sky_err("sky_peerinfo(): %s\n", strerror(-rc));
exit(-1);
}
printf("Remote peer %s:%d:\n", conf.hostname,
conf.cliport);
printf("\tServer version: %u.%u.%u\n",
version_major(peerinfo.server_version),
version_minor(peerinfo.server_version),
version_revis(peerinfo.server_version));
printf("\tProtocol version: %u.%u\n",
version_minor(peerinfo.proto_version),
version_revis(peerinfo.proto_version));
cli_free(&cli);
return 0;
}
if (cli.setdevparam || cli.setsinkparam ||
cli.setdevparams || cli.setsinkparams)
/*
* Verify command line arguments before making a
* connection to a device. If parameters are specified
* incorrectly (delimiter is missing, etc) then we
* rise an error before making a connection.
*/
parse_dev_or_sink_params(&cli, NULL, NULL);
if (cli.addr && !resolve_hostname_and_connection_probe(&cli)) {
fprintf(stderr, "Unable to connect to '%s:%s'\n",
cli.addr, cli.port);
return -1;
}
sky_prepare_dev(&cli, &dev, &devdesc, &devdescs);
if (cli.listdevs) {
size_t max_devname = strlen("DEV-NAME");
struct sky_dev_desc *devdesc;
foreach_devdesc(devdesc, devdescs) {
max_devname = max(strnlen(devdesc->dev_name,
sizeof(devdesc->dev_name)),
max_devname);
}
printf("Found sky devices:\n");
printf("\t DEV-ID TYPE %*s FW HW\n",
(int)max_devname, "DEV-NAME");
foreach_devdesc(devdesc, devdescs) {
printf("\t%08X %s %*s v%u.%u.%u v%u.%u.%u\n",
sky_dev_desc_crc32(devdesc),
sky_devtype_to_str(devdesc->dev_type),
(int)max_devname,
devdesc->dev_name,
version_major(devdesc->hw_info.fw_version),
version_minor(devdesc->hw_info.fw_version),
version_revis(devdesc->hw_info.fw_version),
version_major(devdesc->hw_info.hw_version),
version_minor(devdesc->hw_info.hw_version),
version_revis(devdesc->hw_info.hw_version));
}
} else if (cli.monitor) {
struct sky_on_charging_state_arg arg = {
.cli = &cli,
.devdesc = devdesc,
};
struct sky_subscription sub = {
.data = &arg,
.on_state = sky_on_charging_state,
.interval_msecs = 1000,
};
struct sky_subscription_token token;
rc = sky_subscription_token(dev, &token);
if (rc) {
sky_err("sky_subscription_token(): %s\n", strerror(-rc));
exit(-1);
}
rc = sky_subscribe(dev, &token, &sub);
if (rc) {
sky_err("sky_subscribe(): %s\n", strerror(-rc));
exit(-1);
}
while (1)