int Device::process_confirm_raw(char *buf)
{
int readings_removed = 0;
int uid_test = (buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24));
if(uid == -1)
update_uid(uid_test);
int flags = buf[4];
if(flags & SHUTDOWN_FLAG) {
state = SHUTDOWN;
}
if(flags & UPDATE_TIME_FLAG) {
time_t temp = 0;
for(int n = 0; n < 4; n++) {
temp |= ((buf[6+n] & 0x000000FF) << n*8);
}
std::cout << "Time update, now " << temp << std::endl;
}
int n_readings = buf[5];
for(int i = 0; i < n_readings; i++) {
time_t time = 0;
for(int n = 0; n < 4; n++) {
time |= ((buf[6+(i*(4))+n] & 0x000000FF) << n*8);
}
if(rm_reading(time))
readings_removed++;
}
return readings_removed;
}
int Device::process_readings_raw(char *buf)
{
int uid_test = (buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24));
if(uid_test == -1)
update_uid(uid_counter++);
int flags = buf[4];
int n_readings = buf[5];
if(flags & LOW_BATTERY_FLAG)
set_battery(LOW_BATTERY_LEVEL);
if(flags & SHUTDOWN_FLAG) {
set_battery(LOW_BATTERY_LEVEL);
// std::cout << "Device shut down" << std::endl;
}
//std::cout << "n_readings = " << n_readings << std::endl;
for(int i = 0; i < n_readings; i++) {
time_t time = 0;
int reading = 0;
for(int n = 0; n < 4; n++) {
time |= ((buf[6+(i*(4+4))+n] & 0x000000FF) << n*8);
reading |= ((buf[6+(i*(4+4))+4+n] & 0x000000FF) << n*8);
}
add_reading(time, reading);
}
return n_readings;
}
int Device::process_readings_xml(pugi::xml_document &doc)
{
std::stringstream ss;
ss << "Device " << uid << ": Parsing client message" << std::endl;
log(ss.str());
ss.str(std::string());
pugi::xml_node mother_node = doc.first_child();
std::string msg_v = mother_node.child("msg_version").child_value();
if((strcmp(mother_node.name(), "client") != 0) || \
(strcmp(msg_v.c_str(), " 1.0") != 0)) {
ss << "Device " << uid << ": Invalid message, parsing failed" << std::endl;
log(ss.str());
return 0;
}
int uid_test = atoi(mother_node.child("uid").child_value());
if(uid_test == -1)
update_uid(uid_counter++);
battery = atoi(mother_node.child("battery").child_value());
strncpy(fw_version, mother_node.child("fw").child_value(), 5);
std::string shutdown = mother_node.child("shut_down").child_value();
if(strcmp(shutdown.c_str(), "true") == 0) {
std::cout << "Device shut down" << std::endl;
state = SHUTDOWN;
}
int num_readings = atoi(mother_node.child("n_readings").child_value());
pugi::xml_node readings = mother_node.child("readings");
for(int i = 0; i < num_readings; i++) {
ss << "reading" << i;
std::string time_c = readings.child(ss.str().c_str()).child("time").child_value();
int reading = atoi(readings.child(ss.str().c_str()).child("reading").child_value());
struct tm tm;
strptime(time_c.c_str(), "%Y-%m-%d %H:%M:%S", &tm);
tm.tm_isdst = -1; // dst not set by strptime
time_t t = mktime(&tm);
add_reading(t, reading);
ss.str(std::string());
}
return num_readings;
}
int Device::process_confirm_xml(pugi::xml_document &doc)
{
std::stringstream ss;
ss << "Device " << uid << ": Parsing server message" << std::endl;
log(ss.str());
ss.str(std::string());
pugi::xml_node mother_node = doc.first_child();
std::string msg_v = mother_node.child("msg_version").child_value();
if((strcmp(mother_node.name(), "server") != 0) || \
(strcmp(msg_v.c_str(), " 1.0") != 0)) {
ss << "Device " << uid << ": Invalid message, parsing failed" << std::endl;
log(ss.str());
return 0;
}
int uid_test = atoi(mother_node.child("uid").child_value());
if(uid == -1)
update_uid(uid_test);
std::string shutdown = mother_node.child("shut_down").child_value();
if(strcmp(shutdown.c_str(), "true") == 0) {
std::cout << "Shutdown command received, shutting down." << std::endl;
state = SHUTDOWN;
save_readings();
}
int num_readings = atoi(mother_node.child("n_readings").child_value());
pugi::xml_node readings = mother_node.child("readings");
int readings_removed = 0;
for(int i = 0; i < num_readings; i++) {
ss << "reading" << i;
std::string time_c = readings.child(ss.str().c_str()).child("time").child_value();
struct tm tm;
strptime(time_c.c_str(), "%Y-%m-%d %H:%M:%S", &tm);
tm.tm_isdst = -1; // dst not set by strptime
time_t t = mktime(&tm);
if(rm_reading(t))
readings_removed++;
ss.str(std::string());
}
return readings_removed;
}
static int db_chown(backend_store_interface* i, const char* rel_path, uid_t uid, gid_t gid) {
logger_logf(LOG(i), "rel_path = %s, uid = %ld, gid = %ld", rel_path, uid, gid);
ERR_IF_DOESNT_EXIST(i, rel_path);
long owner = get_uid(rel_path);
long you = fuse_get_context()->uid;
if (owner != you) {
logger_logf(LOG(i), "can't chown since you're not the owner. You are %ld, owner is %ld", you, owner);
return -EACCES;
}
if (uid != -1) {
update_uid(rel_path, uid);
}
if (gid != -1) {
update_gid(rel_path, gid);
}
return 0;
}
