static void
print_stuff() {
printf("tmr now = %ss\n", time_now_f());
printf("SDK version: %s\n", system_get_sdk_version());
printf("APP version: %s built: %s %s\n", BUILD_DATE, __DATE__, __TIME__);
printf("CPU freq was %d\n", system_get_cpu_freq());
printf("CPU freq = %d\n", set_cpu_freq(160));
printf("tmr now = %ss\n", time_now_f());
printf("tout = %sV\n", ffp(3, read_tout(0)*123/10));
printf("vdd = %sV\n", ffp(3, read_vdd()));
print_mac(STATION_IF);
print_mac(SOFTAP_IF);
print_ip_info(SOFTAP_IF);
print_ip_info(STATION_IF);
printf("tmr now = %ss\n", time_now_f());
printf("sleeping 2s\n");
system_deep_sleep(2*1000000);
vTaskDelete(NULL);
}
int handle_client(int csockfd, int timeout) {
uint64_t fsize;
ssize_t namelen;
char buf[BUF_SZ];
char path[DIRLEN + FNAME_LENGTH + 1];
char *filename = path + DIRLEN;
ssize_t nbytes;
bool delete_file;
/* reading filesize */
nbytes = read_tout(csockfd, &fsize, sizeof(fsize), timeout, 0, false);
if (nbytes != sizeof(fsize)) {
log("Filesize reading error\n");
return -1;
}
fsize = le64toh(fsize);
if (fsize > ((uint64_t)1 << 62)) {
log("Filesize is too big\n");
send_code(csockfd, CODE_BAD_FILELEN, timeout);
return -1;
}
if (send_code(csockfd, CODE_ACK, timeout))
return -1;
log("Filesize %llu accepted\n", fsize);
/* reading filename */
//memset(path, 0, sizeof(path));
memcpy(path, DIRNAME, DIRLEN);
nbytes = read_tout(csockfd, buf, sizeof(buf), timeout, MSG_PEEK, false);
if (nbytes > 0) {
namelen = fname_len(buf, nbytes);
if (namelen <= 0 || namelen > FNAME_LENGTH) {
log("Bad filename length\n");
send_code(csockfd, CODE_BAD_FILELEN, timeout);
return -1;
}
/* There is no lseek() for socket, so .. */
read_tout(csockfd, filename, namelen + 1, 0, 0, true);
} else {
log("Filename reading error");
send_code(csockfd, CODE_ERR_UNKNOWN, timeout);
return -1;
}
if (!check_fname(filename)) {
log("Bad filename (check_fname)!\n");
send_code(csockfd, CODE_BAD_FILENAME, timeout);
return -1;
}
if (access(path, F_OK) != -1) {
send_code(csockfd, CODE_FILE_EXISTS, timeout);
return -1;
}
int fd = open(path, O_CREAT | O_WRONLY, 0600);
if (fd == -1) {
perror("open()");
if (errno == ENAMETOOLONG)
send_code(csockfd, CODE_BAD_FILELEN, timeout);
else
send_code(csockfd, CODE_ERR_UNKNOWN, timeout);
return -1;
}
if (send_code(csockfd, CODE_ACK, timeout))
return -1;
log("Filename `%s` accepted and file exchange started\n", filename);
/* reading file */
nbytes = 0;
delete_file = false;
do {
fsize -= (uint64_t) nbytes;
nbytes = read_tout(csockfd, buf, sizeof(buf), timeout, 0, false);
if (nbytes > 0) {
if (write(fd, buf, min(nbytes, fsize)) == -1) {
perror("write()");
send_code(csockfd, CODE_ERR_TRANSFER, timeout);
delete_file = true;
break;
}
}
} while (nbytes > 0 && nbytes < fsize);
if (nbytes < 0) {
log("Error while transfer\n");
send_code(csockfd, CODE_ERR_TRANSFER, timeout);
delete_file = true;
}
close(fd);
if (delete_file) {
log("Deleting file\n");
unlink(path);
return -1;
}
if (send_code(csockfd, CODE_ACK, timeout))
log("Warning: send_code was unsuccessful, but file recieved ok");
log("File `%s` recieved ok!\n", path);
return 0;
}
