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meshtastic.c
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meshtastic.c
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#ifndef PURPLE_PLUGINS
#define PURPLE_PLUGINS
#endif
// Glib
#include <glib.h>
// GNU C libraries
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <fcntl.h>
#include <errno.h>
#ifndef _WIN32
#include <unistd.h>
#include <termios.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#else
#include <winsock2.h>
#include <windows.h>
#endif
#include <accountopt.h>
#include <core.h>
#include <debug.h>
#include <prpl.h>
#include <request.h>
#include <version.h>
// Protobufs
#include <pb.h>
#include <pb_encode.h>
#include <pb_decode.h>
#include "meshtastic/mesh.pb.h"
#include "meshtastic/admin.pb.h"
#include "mtstrings.h"
#include "meshtastic.h"
#ifdef _WIN32
#include <win32dep.h>
#endif
#define PROTO_NAME "meshtastic"
static PurplePlugin *_mt_protocol = NULL;
/**
*
* Protocol Functions
*
*/
int mt_connect(MeshtasticAccount *mta, char *port, enum connection_type type)
{
mta->protobuf_size = 0;
mta->protobuf_remaining = 0;
if (type == meshtastic_serial_connection)
{
purple_debug_info(PROTO_NAME, "Making serial connection\n");
#ifndef _WIN32
struct termios tty;
mta->fd = open(port, O_RDWR);
mta->protobuf_size = 0;
mta->protobuf_remaining = 0;
if (tcgetattr(mta->fd, &tty) != 0)
{
purple_debug_error(PROTO_NAME, "Error %i from tcgetattr: %s\n", errno, strerror(errno));
return 1;
}
tty.c_cflag &= ~PARENB; // Clear parity bit, disabling parity (most common)
tty.c_cflag &= ~CSTOPB; // Clear stop field, only one stop bit used in communication (most common)
tty.c_cflag &= ~CSIZE; // Clear all bits that set the data size
tty.c_cflag |= CS8; // 8 bits per byte (most common)
tty.c_cflag &= ~CRTSCTS; // Disable RTS/CTS hardware flow control (most common)
tty.c_cflag |= CREAD | CLOCAL; // Turn on READ & ignore ctrl lines (CLOCAL = 1)
tty.c_lflag &= ~ICANON;
tty.c_lflag &= ~ECHO; // Disable echo
tty.c_lflag &= ~ECHOE; // Disable erasure
tty.c_lflag &= ~ECHONL; // Disable new-line echo
tty.c_lflag &= ~ISIG; // Disable interpretation of INTR, QUIT and SUSP
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // Turn off s/w flow ctrl
tty.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL); // Disable any special handling of received bytes
tty.c_oflag &= ~OPOST; // Prevent special interpretation of output bytes (e.g. newline chars)
tty.c_oflag &= ~ONLCR; // Prevent conversion of newline to carriage return/line feed
tty.c_cc[VTIME] = 10; // Wait for up to 1s (10 deciseconds), returning as soon as any data is received.
tty.c_cc[VMIN] = 0;
cfsetispeed(&tty, B115200);
cfsetospeed(&tty, B115200);
if (tcsetattr(mta->fd, TCSANOW, &tty) != 0)
{
purple_debug_error(PROTO_NAME, "Error %i from tcsetattr: %s\n", errno, strerror(errno));
return 1;
}
#else
char portbuf[20];
sprintf(portbuf, "\\\\.\\%s", port);
purple_debug_info(PROTO_NAME, "Creating Windows HANDLE to %s ...\n", portbuf);
mta->handle = CreateFileA(portbuf, GENERIC_READ | GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (mta->handle == INVALID_HANDLE_VALUE)
{
purple_debug_error(PROTO_NAME, "Failed to create handle\n");
return 1;
}
BOOL success = FlushFileBuffers(mta->handle);
if (!success)
{
purple_debug_error(PROTO_NAME, "Failed to flush handle buffers\n");
CloseHandle(mta->handle);
return 1;
}
// Configure read and write operations to time out after 100 ms.
COMMTIMEOUTS timeouts = {0};
timeouts.ReadIntervalTimeout = MAXDWORD;
timeouts.ReadTotalTimeoutConstant = 100;
timeouts.ReadTotalTimeoutMultiplier = 0;
timeouts.WriteTotalTimeoutConstant = 100;
timeouts.WriteTotalTimeoutMultiplier = 0;
success = SetCommTimeouts(mta->handle, &timeouts);
if (!success)
{
purple_debug_error(PROTO_NAME, "Failed to configure handle timeouts\n");
CloseHandle(mta->handle);
return 1;
}
DCB state = {0};
success = GetCommState(mta->handle, &state);
if (!success)
{
purple_debug_error(PROTO_NAME, "Failed to get port state\n");
CloseHandle(mta->handle);
return 1;
}
state.DCBlength = sizeof(DCB);
state.fRtsControl = RTS_CONTROL_ENABLE;
state.fDtrControl = DTR_CONTROL_ENABLE;
state.BaudRate = 115200;
state.ByteSize = 8;
state.Parity = NOPARITY;
state.StopBits = ONESTOPBIT;
success = SetCommState(mta->handle, &state);
if (!success)
{
purple_debug_error(PROTO_NAME, "Failed to configure serial port\n");
CloseHandle(mta->handle);
return 1;
}
success = FlushFileBuffers(mta->handle);
if (!success)
{
purple_debug_error(PROTO_NAME, "Failed to flush handle buffers\n");
CloseHandle(mta->handle);
return 1;
}
mta->mt_handle_timeout = purple_timeout_add(100, (GSourceFunc)mt_read_handle, mta);
return 0;
#endif
}
else if (type == meshtastic_socket_connection)
{
struct sockaddr_in radio_address;
purple_debug_info(PROTO_NAME, "Making socket connection\n");
if ((mta->fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
purple_debug_error(PROTO_NAME, "Socket creation error");
return 1;
}
radio_address.sin_family = AF_INET;
radio_address.sin_port = htons(TCP_PORT);
if (inet_pton(AF_INET, port, &radio_address.sin_addr) <= 0)
{
purple_debug_error(PROTO_NAME, "Invalid address or address not supported\n");
return 1;
}
if ((connect(mta->fd, (struct sockaddr *)&radio_address, sizeof(radio_address))) < 0)
{
purple_debug_error(PROTO_NAME, "Connection failed\n");
return 1;
}
}
else
{
purple_debug_error(PROTO_NAME, "Unexpected connection type\n");
return 1;
}
mta->gc->inpa = purple_input_add(mta->fd, PURPLE_INPUT_READ, mt_from_radio_cb, mta);
return 0; // success
}
int mt_write(MeshtasticAccount *mta, uint8_t *buffer, size_t size)
{
#ifdef _WIN32
if (mta->handle != INVALID_HANDLE_VALUE)
{
DWORD written;
BOOL success = WriteFile(mta->handle, buffer, size, &written, NULL);
if (!success)
{
return -1;
}
return written;
}
#endif
return write(mta->fd, buffer, size);
}
int mt_read(MeshtasticAccount *mta, uint8_t *buffer, size_t size)
{
int len = 0;
#ifdef _WIN32
if (mta->handle != INVALID_HANDLE_VALUE)
{
DWORD received;
BOOL success = ReadFile(mta->handle, buffer, size, &received, NULL);
if (!success)
{
len = -1;
}
else
{
len = received;
}
}
else
{
len = read(mta->fd, buffer, size);
}
#else
len = read(mta->fd, buffer, size);
#endif
if (len < 0 && errno == EAGAIN)
{
return 0;
}
else if (len < 0)
{
gchar *tmp = g_strdup_printf(_("Lost connection with radio: %s"), g_strerror(errno));
purple_connection_error_reason(mta->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp);
g_free(tmp);
return -1;
}
else if (len == 0)
{
purple_connection_error_reason(mta->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Radio closed the connection"));
return -1;
}
return len;
}
bool mt_routing_from_packet(meshtastic_MeshPacket *packet, meshtastic_Routing *routing)
{
pb_istream_t stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
bool status = pb_decode(&stream, meshtastic_Routing_fields, routing);
return status;
}
// Radio Communication
int mt_send_to_radio(MeshtasticAccount *mta, meshtastic_ToRadio toRadio)
{
uint8_t buffer[MESHTASTIC_BUFFER_SIZE];
pb_ostream_t stream = pb_ostream_from_buffer(buffer + 4, MESHTASTIC_BUFFER_SIZE);
bool status;
buffer[0] = START_BYTE_1;
buffer[1] = START_BYTE_2;
status = pb_encode(&stream, meshtastic_ToRadio_fields, &toRadio);
if (!status)
{
return -1;
}
buffer[2] = stream.bytes_written / 256;
buffer[3] = stream.bytes_written % 256;
return mt_write(mta, buffer, 4 + stream.bytes_written);
}
int mt_send_packet_to_radio(MeshtasticAccount *mta, meshtastic_MeshPacket packet)
{
meshtastic_ToRadio toRadio = meshtastic_ToRadio_init_default;
toRadio.which_payload_variant = meshtastic_ToRadio_packet_tag;
toRadio.packet = packet;
return mt_send_to_radio(mta, toRadio);
}
int mt_send_admin(MeshtasticAccount *mta, meshtastic_AdminMessage admin, int32_t dest, bool want_response)
{
uint8_t buffer[512];
meshtastic_MeshPacket meshPacket = meshtastic_MeshPacket_init_default;
pb_ostream_t stream = pb_ostream_from_buffer(buffer, 512);
pb_encode(&stream, meshtastic_AdminMessage_fields, &admin);
meshPacket.which_payload_variant = meshtastic_MeshPacket_decoded_tag;
meshPacket.id = rand() % 0x7FFFFFFF;
meshPacket.decoded.portnum = meshtastic_PortNum_ADMIN_APP;
meshPacket.to = dest;
meshPacket.channel = mta->admin_channel;
meshPacket.want_ack = true;
meshPacket.decoded.want_response = want_response;
meshPacket.decoded.payload.size = stream.bytes_written;
memcpy(meshPacket.decoded.payload.bytes, buffer, stream.bytes_written);
return mt_send_packet_to_radio(mta, meshPacket);
}
// Request Data
int mt_request_initial_config(MeshtasticAccount *mta)
{
int want_config_id = rand() % 0x7FffFFff;
meshtastic_ToRadio toRadio = meshtastic_ToRadio_init_default;
toRadio.which_payload_variant = meshtastic_ToRadio_want_config_id_tag;
toRadio.want_config_id = want_config_id;
return mt_send_to_radio(mta, toRadio);
}
static gboolean mt_request_initial_config_timed(MeshtasticAccount *mta)
{
int result;
result = mt_request_initial_config(mta);
purple_debug_info(PROTO_NAME, "Timed config request sent {%d}\n", result);
return FALSE;
}
int mt_request_session_key(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_config_request_tag;
admin_message.get_config_request = meshtastic_AdminMessage_ConfigType_SESSIONKEY_CONFIG;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_AdminMessage_ConfigType type)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_config_request_tag;
admin_message.get_config_request = type;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_module(MeshtasticAccount *mta, uint32_t dest, meshtastic_AdminMessage_ModuleConfigType type)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_module_config_request_tag;
admin_message.get_module_config_request = type;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_position_config(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_config_request_tag;
admin_message.get_config_request = meshtastic_AdminMessage_ConfigType_POSITION_CONFIG;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_owner_config(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_owner_request_tag;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_channel_config(MeshtasticAccount *mta, uint32_t dest, uint32_t channel_index)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_get_channel_request_tag;
admin_message.get_channel_request = channel_index + 1;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_reboot(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_reboot_seconds_tag;
admin_message.session_passkey = *mta->session_passkey;
admin_message.reboot_seconds = 2;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_reset_nodedb(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_nodedb_reset_tag;
admin_message.nodedb_reset = 1;
admin_message.session_passkey = *mta->session_passkey;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_request_factory_reset(MeshtasticAccount *mta, uint32_t dest)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_factory_reset_device_tag;
admin_message.factory_reset_device = 1;
admin_message.session_passkey = *mta->session_passkey;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_traceroute_request(MeshtasticAccount *mta, uint32_t dest)
{
uint8_t buffer[512];
meshtastic_RouteDiscovery route_discovery = meshtastic_RouteDiscovery_init_default;
meshtastic_MeshPacket meshPacket = meshtastic_MeshPacket_init_default;
pb_ostream_t stream = pb_ostream_from_buffer(buffer, 512);
pb_encode(&stream, meshtastic_RouteDiscovery_fields, &route_discovery);
meshPacket.which_payload_variant = meshtastic_MeshPacket_decoded_tag;
meshPacket.id = rand() % 0x7FFFFFFF;
meshPacket.decoded.portnum = meshtastic_PortNum_TRACEROUTE_APP;
meshPacket.to = dest;
meshPacket.channel = 0;
meshPacket.want_ack = false;
meshPacket.decoded.want_response = true;
meshPacket.hop_limit = 7;
meshPacket.decoded.payload.size = stream.bytes_written;
memcpy(meshPacket.decoded.payload.bytes, buffer, stream.bytes_written); // Copy data
return mt_send_packet_to_radio(mta, meshPacket);
}
// Set Data
int mt_set_lora_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_LoRaConfig lora)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_lora_tag;
config.payload_variant.lora = lora;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_device_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_DeviceConfig device)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_device_tag;
config.payload_variant.device = device;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_position_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_PositionConfig position)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_position_tag;
config.payload_variant.position = position;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_network_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_NetworkConfig network)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_network_tag;
config.payload_variant.network = network;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_bluetooth_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_BluetoothConfig bluetooth)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_bluetooth_tag;
config.payload_variant.bluetooth = bluetooth;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_security_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_SecurityConfig security)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_security_tag;
config.payload_variant.security = security;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_power_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Config_PowerConfig power)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_Config config = meshtastic_Config_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_config_tag;
admin_message.session_passkey = *mta->session_passkey;
config.which_payload_variant = meshtastic_Config_power_tag;
config.payload_variant.power = power;
admin_message.set_config = config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_mqtt_module_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_ModuleConfig_MQTTConfig mqtt)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
meshtastic_ModuleConfig module_config = meshtastic_ModuleConfig_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_module_config_tag;
admin_message.session_passkey = *mta->session_passkey;
module_config.which_payload_variant = meshtastic_ModuleConfig_mqtt_tag;
module_config.payload_variant.mqtt = mqtt;
admin_message.set_module_config = module_config;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_owner_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_User user)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_owner_tag;
admin_message.session_passkey = *mta->session_passkey;
admin_message.set_owner = user;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_fixed_position(MeshtasticAccount *mta, uint32_t dest, meshtastic_Position position)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_fixed_position_tag;
admin_message.session_passkey = *mta->session_passkey;
admin_message.set_fixed_position = position;
return mt_send_admin(mta, admin_message, dest, true);
}
int mt_set_channel_config(MeshtasticAccount *mta, uint32_t dest, meshtastic_Channel channel)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_channel_tag;
admin_message.session_passkey = *mta->session_passkey;
admin_message.set_channel = channel;
return mt_send_admin(mta, admin_message, dest, true);
}
void mt_set_time(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
meshtastic_AdminMessage admin_message = meshtastic_AdminMessage_init_default;
admin_message.which_payload_variant = meshtastic_AdminMessage_set_time_only_tag;
admin_message.session_passkey = *mta->session_passkey;
admin_message.set_time_only = time(NULL);
mta->cb_routing = NULL;
mt_send_admin(mta, admin_message, mta->id, true);
}
int mt_send_heartbeat(MeshtasticAccount *mta)
{
meshtastic_Heartbeat hearbeat = meshtastic_Heartbeat_init_default;
meshtastic_ToRadio toRadio = meshtastic_ToRadio_init_default;
hearbeat.dummy_field = rand() % 255;
toRadio.which_payload_variant = meshtastic_ToRadio_heartbeat_tag;
toRadio.heartbeat = hearbeat;
return mt_send_to_radio(mta, toRadio);
}
int mt_send_text(MeshtasticAccount *mta, const char *text, uint32_t dest, uint8_t channel_index)
{
meshtastic_MeshPacket meshPacket = meshtastic_MeshPacket_init_default;
meshPacket.which_payload_variant = meshtastic_MeshPacket_decoded_tag;
meshPacket.id = rand() % 0x7FFFFFFF;
meshPacket.decoded.portnum = meshtastic_PortNum_TEXT_MESSAGE_APP;
meshPacket.to = dest;
meshPacket.channel = channel_index;
meshPacket.want_ack = true;
meshPacket.decoded.payload.size = strlen(text);
memcpy(meshPacket.decoded.payload.bytes, text, meshPacket.decoded.payload.size);
return mt_send_packet_to_radio(mta, meshPacket);
}
int mt_channel_message(MeshtasticAccount *mta, const char *text, int index)
{
return mt_send_text(mta, text, 0xFFFFFFFF, index);
}
/**
*
* Helpers
*
*/
double to_radians(double degree)
{
return degree * (M_PI / 180.0);
}
double haversine(double lat1, double lon1, double lat2, double lon2)
{
double dlat, dlon, a, c, distance;
double R = 6371.0;
lat1 = to_radians(lat1);
lon1 = to_radians(lon1);
lat2 = to_radians(lat2);
lon2 = to_radians(lon2);
dlat = lat2 - lat1;
dlon = lon2 - lon1;
a = sin(dlat / 2) * sin(dlat / 2) +
cos(lat1) * cos(lat2) * sin(dlon / 2) * sin(dlon / 2);
c = 2 * atan2(sqrt(a), sqrt(1 - a));
distance = R * c;
return distance;
}
static guint64 to_int(const gchar *id)
{
return id ? g_ascii_strtoull(id, NULL, 10) : 0;
}
static gchar *from_int(guint64 id)
{
return g_strdup_printf("%" G_GUINT64_FORMAT, id);
}
void mt_join_room(MeshtasticAccount *mta, PurpleConvChat *chat)
{
if (!purple_conv_chat_find_user(chat, (const char *)mta->me->user.id))
{
purple_conv_chat_add_user(chat, mta->me->user.id, NULL, PURPLE_CBFLAGS_NONE, FALSE);
}
}
void seconds_to_days_str(uint32_t seconds, char *buffer)
{
int32_t days, hours, minutes;
GString *str;
str = g_string_new(NULL);
days = seconds / (24 * 3600);
seconds %= (24 * 3600);
hours = seconds / 3600;
seconds %= 3600;
minutes = seconds / 60;
seconds %= 60;
if (days > 0)
g_string_append_printf(str, "%d days, ", days);
if (hours > 0)
g_string_append_printf(str, "%d hours, ", hours);
if (minutes > 0)
g_string_append_printf(str, "%d minutes, ", minutes);
if (seconds > 0)
g_string_append_printf(str, "%d seconds ", seconds);
strcpy(buffer, str->str);
g_string_free(str, TRUE);
}
int mt_get_connection(MeshtasticAccount *mta, char *port)
{
int result;
char username[100];
struct sockaddr_in sa;
strcpy(username, purple_account_get_username(mta->account));
strcpy(port, strchr(username, '@') + 1);
result = inet_pton(AF_INET, port, &(sa.sin_addr));
if (result <= 0)
return meshtastic_serial_connection;
return meshtastic_socket_connection;
}
void mt_update_presence(MeshtasticAccount *mta, PurpleBuddy *buddy)
{
const PurplePresence *presence;
MeshtasticBuddy *mb = buddy->proto_data;
bool active;
if (!mb)
return;
presence = purple_buddy_get_presence(buddy);
active = ((time(NULL) - AWAY_TIME) < mb->last_heard);
if (active && !purple_presence_is_status_active(presence, purple_primitive_get_id_from_type(PURPLE_STATUS_AVAILABLE)))
{
purple_prpl_got_user_status(mta->account, buddy->name, purple_primitive_get_id_from_type(PURPLE_STATUS_AVAILABLE), NULL);
}
else if (!active && !purple_presence_is_status_active(presence, purple_primitive_get_id_from_type(PURPLE_STATUS_AWAY)))
{
purple_prpl_got_user_status(mta->account, buddy->name, purple_primitive_get_id_from_type(PURPLE_STATUS_AWAY), NULL);
}
}
int mt_get_channel_name(MeshtasticAccount *mta, int id, char *name)
{
PurpleChat *chat = NULL;
chat = mt_find_blist_chat(mta->account, from_int(id));
if (chat)
{
GHashTable *components = purple_chat_get_components(chat);
strcpy(name, g_hash_table_lookup(components, "name"));
return 1;
}
return 0;
}
void mt_set_buddy_packet(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
PurpleBuddy *buddy = mt_find_blist_buddy(mta->account, packet->from);
MeshtasticBuddy *mb;
if (buddy)
{
mb = buddy->proto_data;
if (mb)
{
memcpy(&mb->packet, packet, sizeof(meshtastic_MeshPacket));
mb->last_heard = time(NULL);
purple_prpl_got_user_status(mta->account, buddy->name, purple_primitive_get_id_from_type(PURPLE_STATUS_AVAILABLE), NULL);
}
}
}
PurpleBuddy *mt_add_meshtastic_buddy(MeshtasticAccount *mta, uint32_t id, meshtastic_User user)
{
char username[100];
char port[40];
char new[100];
PurpleAccount *account = mta->account;
PurpleBuddy *buddy = purple_find_buddy(account, user.id);
MeshtasticBuddy *mb;
meshtastic_MeshPacket meshPacket = meshtastic_MeshPacket_init_default;
meshtastic_NodeInfo nodeInfo = meshtastic_NodeInfo_init_default;
purple_debug_info(PROTO_NAME, "Adding new buddy %s\n", user.long_name);
if (buddy)
{
purple_blist_alias_buddy(buddy, user.long_name);
mb = buddy->proto_data;
free(mb);
mb = g_new0(MeshtasticBuddy, 1);
mb->user = user;
mb->id = id;
mb->last_heard = 0;
buddy->proto_data = mb;
memcpy(&mb->packet, &meshPacket, sizeof(meshtastic_MeshPacket));
memcpy(&mb->info, &nodeInfo, sizeof(meshtastic_NodeInfo));
}
else
{
buddy = purple_buddy_new(account, user.id, user.long_name);
mb = g_new0(MeshtasticBuddy, 1);
mb->user = user;
mb->id = id;
mb->last_heard = 0;
buddy->proto_data = mb;
purple_blist_add_buddy(buddy, NULL, purple_find_group("Nodes"), NULL);
}
if (mb->id == mta->id)
{
mta->me = mb;
purple_account_set_alias(mta->account, user.long_name);
strcpy(username, purple_account_get_username(mta->account));
strcpy(port, strchr(username, '@') + 1);
sprintf(new, "%s@%s", user.long_name, port);
purple_account_set_username(mta->account, new);
}
mt_update_presence(mta, buddy);
return buddy;
}
PurpleBuddy *mt_unknown_buddy(PurpleAccount *account, uint32_t id)
{
char user_id[16];
char long_name[40];
char short_name[11];
PurpleConnection *gc;
MeshtasticAccount *mta;
meshtastic_User user = meshtastic_User_init_default;
sprintf(user_id, "!%08x", id);
sprintf(long_name, "Meshtastic %s", user_id + 5);
sprintf(short_name, "%s", user_id + 5);
strcpy(user.id, user_id);
strcpy(user.long_name, long_name);
strcpy(user.short_name, short_name);
gc = purple_account_get_connection(account);
mta = gc->proto_data;
return mt_add_meshtastic_buddy(mta, id, user);
}
static void mt_acknowledge_cb(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
meshtastic_Routing routing = meshtastic_Routing_init_default;
const char *message;
mta->cb_routing = NULL;
if (!mt_routing_from_packet(packet, &routing))
return;
message = mt_lookup_error_reason(routing.error_reason);
if (routing.error_reason == meshtastic_Routing_Error_NONE)
{
purple_notify_info(mta->gc, g_strdup("Meshtastic Action"), g_strdup("Success!"), g_strdup("Action completed"));
}
else
{
purple_notify_info(mta->gc, g_strdup("Meshtastic Action"), g_strdup("Error"), message);
}
}
/**
*
* MeshPacket App Port Handlers
*
*/
void mt_handle_text_message_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
PurpleBuddy *buddy;
PurpleConvChat *convchat;
PurpleConversation *conversation;
GHashTable *components;
const gchar *name;
purple_debug_info(PROTO_NAME, "New Incoming message\n");
if (packet->to == 0xFFFFFFFF)
{
PurpleChat *chat = mt_find_blist_chat(mta->account, from_int(packet->channel));
if (!chat)
{
purple_debug_error(PROTO_NAME, "Channel not found\n");
return;
}
components = purple_chat_get_components(chat);
name = g_hash_table_lookup(components, "name");
conversation = purple_find_chat(mta->gc, packet->channel);
if (!conversation)
conversation = serv_got_joined_chat(mta->gc, packet->channel, name);
convchat = purple_conversation_get_chat_data(conversation);
buddy = mt_find_blist_buddy(mta->account, packet->from);
if (buddy)
{
if (!purple_conv_chat_find_user(convchat, (const char *)buddy->name))
{
purple_conv_chat_add_user(convchat, buddy->name, NULL, PURPLE_CBFLAGS_NONE, TRUE);
}
purple_conv_chat_write(convchat, buddy->name, (const char *)packet->decoded.payload.bytes, PURPLE_MESSAGE_RECV, time(NULL));
}
mt_join_room(mta, convchat);
}
else
{
PurpleBuddy *buddy = mt_find_blist_buddy(mta->account, packet->from);
PurpleConversation *conversation = NULL;
if (buddy)
{
conversation = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, buddy->name, mta->account);
}
if (!conversation)
{
conversation = purple_conversation_new(PURPLE_CONV_TYPE_IM, mta->account, buddy->name);
}
purple_conversation_present(conversation);
purple_conversation_write(conversation, buddy->name, (const char *)packet->decoded.payload.bytes, PURPLE_MESSAGE_RECV, time(NULL));
}
}
void mt_handle_position_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
PurpleBuddy *buddy;
MeshtasticBuddy *mb;
meshtastic_Position position = meshtastic_Position_init_zero;
pb_istream_t stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
bool status = pb_decode(&stream, meshtastic_Position_fields, &position);
if (!status)
return;
buddy = mt_find_blist_buddy(mta->account, packet->from);
if (!buddy)
return;
mb = buddy->proto_data;
if (!mb)
return;
memcpy(&mb->info.position, &position, sizeof(meshtastic_Position));
purple_debug_info(PROTO_NAME, "%s updated their position\n", buddy->alias);
}
void mt_handle_node_info_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
meshtastic_User user = meshtastic_User_init_zero;
pb_istream_t stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
bool status = pb_decode(&stream, meshtastic_User_fields, &user);
if (!status)
return;
mt_add_meshtastic_buddy(mta, packet->from, user);
}
void mt_handle_routing_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
PurpleBuddy *buddy = NULL;
char notification_label[40];
const char *message;
meshtastic_Routing routing = meshtastic_Routing_init_zero;
purple_debug_info(PROTO_NAME, "Routing data received\n");
if (mta->cb_routing != NULL)
{
mta->cb_routing(mta, packet);
return;
}
if (!mt_routing_from_packet(packet, &routing))
return;
message = mt_lookup_error_reason(routing.error_reason);
if (packet->from == 0xffffffff)
{
strcpy(notification_label, "Broadcast");
}
else
{
buddy = mt_find_blist_buddy(mta->account, packet->from);
strcpy(notification_label, buddy->alias);
}
if (routing.error_reason == meshtastic_Routing_Error_NONE)
{
if (buddy)
{
purple_debug_info(PROTO_NAME, "Acknowledge from %s\n", buddy->alias);
}
else
{
purple_debug_info(PROTO_NAME, "Acknowledge from %d\n", packet->from);
}
}
else
{
purple_debug_error(PROTO_NAME, "%s\n", message);
purple_notify_error(mta->gc, g_strdup(notification_label), g_strdup("Error"), (const char *)message);
mta->cb_routing = NULL;
mta->cb_config = NULL;
mta->cb_data = NULL;
}
}
void mt_handle_admin_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
meshtastic_AdminMessage admin = meshtastic_AdminMessage_init_default;
pb_istream_t stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
bool status = pb_decode(&stream, meshtastic_AdminMessage_fields, &admin);
purple_debug_info(PROTO_NAME, "Admin data received\n");
if (!status)
return;
purple_debug_info(PROTO_NAME, "Admin variant: %d\n", admin.which_payload_variant);
switch (admin.which_payload_variant)
{
case meshtastic_AdminMessage_get_channel_response_tag: // 2
case meshtastic_AdminMessage_get_owner_response_tag: // 4
case meshtastic_AdminMessage_get_config_response_tag: // 6
case meshtastic_AdminMessage_get_module_config_response_tag: // 8
if (admin.session_passkey.size)
{
memcpy(mta->session_passkey, &admin.session_passkey, sizeof(meshtastic_AdminMessage_session_passkey_t));
purple_debug_info(PROTO_NAME, "Session passkey set\n");
}
if (mta->cb_config != NULL)
mta->cb_config(mta, packet);
break;
default:
purple_debug_info(PROTO_NAME, "Unhandled admin variant: %d\n", admin.which_payload_variant);
}
}
void mt_handle_telemetry_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
PurpleBuddy *buddy;
MeshtasticBuddy *mb;
meshtastic_Telemetry telemetry = meshtastic_Telemetry_init_zero;
pb_istream_t stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
bool status = pb_decode(&stream, meshtastic_Telemetry_fields, &telemetry);
if (!status)
return;
purple_debug_info(PROTO_NAME, "Got telemetry data\n");
if (telemetry.which_variant != meshtastic_Telemetry_device_metrics_tag)
{
return;
}
buddy = mt_find_blist_buddy(mta->account, packet->from);
if (!buddy)
return;
mb = buddy->proto_data;
if (!mb)
return;
memcpy(&mb->info.device_metrics, &telemetry.variant.device_metrics, sizeof(meshtastic_DeviceMetrics));
purple_debug_info(PROTO_NAME, "%s updated their device metrics\n", buddy->alias);
}
void mt_handle_traceroute_app(MeshtasticAccount *mta, meshtastic_MeshPacket *packet)
{
meshtastic_RouteDiscovery discovery = meshtastic_RouteDiscovery_init_zero;
PurpleNotifyUserInfo *info;
pb_istream_t stream;
bool status;
int i;
PurpleBuddy *buddy;
PurpleBuddy *target_buddy;
stream = pb_istream_from_buffer(packet->decoded.payload.bytes, packet->decoded.payload.size);
status = pb_decode(&stream, meshtastic_RouteDiscovery_fields, &discovery);
if (!status)
return;
target_buddy = mt_find_blist_buddy(mta->account, packet->from);
info = purple_notify_user_info_new();
purple_notify_user_info_add_section_header(info, g_strdup_printf("Path towards %s", target_buddy->alias));