static int imap_get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
int r;
struct mail_flags * flags;
if (msg_info->msg_flags != NULL) {
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
flags = mail_flags_store_get(get_session_data(msg_info)->imap_flags_store,
msg_info->msg_index);
if (flags == NULL) {
r = imap_fetch_flags(get_imap_session(msg_info),
msg_info->msg_index, &flags);
if (r != MAIL_NO_ERROR)
return r;
}
msg_info->msg_flags = flags;
* result = flags;
return MAIL_NO_ERROR;
}
static int prefetch(mailmessage * msg_info)
{
struct generic_message_t * msg;
int res;
struct db_msg_data * data;
struct db_session_state_data * sess_data;
MMAPString * msg_content;
struct mail_cache_db * maildb;
int r;
char key[PATH_MAX];
void * msg_data;
size_t msg_data_len;
sess_data = get_session_data(msg_info);
r = mail_cache_db_open_lock(sess_data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
snprintf(key, sizeof(key), "%lu", (unsigned long) msg_info->msg_index);
r = mail_cache_db_get(maildb, key, strlen(key), &msg_data, &msg_data_len);
if (r < 0) {
res = MAIL_ERROR_MSG_NOT_FOUND;
goto close_db;
}
msg_content = mmap_string_new_len(msg_data, msg_data_len);
if (msg_content == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
data = malloc(sizeof(* data));
if (data == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_mmapstr;
}
data->msg_content = msg_content;
msg = msg_info->msg_data;
msg->msg_data = data;
msg->msg_message = msg_content->str;
msg->msg_length = msg_content->len;
mail_cache_db_close_unlock(sess_data->db_filename, maildb);
return MAIL_NO_ERROR;
free_mmapstr:
mmap_string_free(msg_content);
close_db:
mail_cache_db_close_unlock(sess_data->db_filename, maildb);
err:
return res;
}
int v4l2_resume(void** session_data){
fm_v4l2_data* session;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
return set_mute(session->fd, MUTE_OFF);
}
int v4l2_mute(void** session_data, int mute){
fm_v4l2_data* session;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
return set_mute(session->fd, mute);
}
static void imap_check(mailmessage * msg_info)
{
if (msg_info->msg_flags != NULL) {
mail_flags_store_set(get_session_data(msg_info)->imap_flags_store,
msg_info);
/* ignore errors */
}
}
int v4l2_get_threshold (void ** session_data){
fm_v4l2_data* session;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
return session->threshold;
}
int v4l2_pause(void** session_data){
fm_v4l2_data* session;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
kill_rds_thread(session);
return set_mute(session->fd, MUTE_ON);
}
int v4l2_set_force_mono (void ** session_data, int force_mono){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = set_force_mono(session->fd, &session->vt, force_mono);
return ret;
}
int v4l2_is_playing_in_stereo (void ** session_data){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = get_stereo(session->fd, &session->vt);
return ret;
}
int v4l2_stop_scan(void ** session_data){
fm_v4l2_data* session;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
session->scan_band_run=SCAN_STOP;
ALOGI("Stop scan value is %d\n", session->scan_band_run);
return 1;
}
static void check(mailmessage * msg_info)
{
int r;
if (msg_info->msg_flags != NULL) {
r = mail_flags_store_set(get_session_data(msg_info)->md_flags_store,
msg_info);
/* ignore errors */
}
}
int v4l2_get_signal_strength (void ** session_data){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = get_signal_strength(session->fd, &session->vt);
return ret;
}
int v4l2_is_rds_data_supported (void ** session_data){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = get_RDS_cap(session->fd);
return ret;
}
int v4l2_is_tuned_to_valid_channel (void ** session_data){
fm_v4l2_data* session;
int signal;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
signal = get_signal_strength(session->fd, &session->vt);
if ( signal > session->threshold )
return 1;
else
return 0;
}
static int get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
chashdatum key;
chashdatum value;
struct maildir * md;
struct mail_flags * flags;
struct maildir_session_state_data * data;
struct maildir_msg * md_msg;
int r;
uint32_t driver_flags;
clist * ext;
if (msg_info->msg_flags != NULL) {
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
data = get_session_data(msg_info);
flags = mail_flags_store_get(data->md_flags_store,
msg_info->msg_index);
if (flags != NULL) {
msg_info->msg_flags = flags;
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
md = get_maildir_session(msg_info);
if (md == NULL)
return MAIL_ERROR_BAD_STATE;
key.data = msg_info->msg_uid;
key.len = strlen(msg_info->msg_uid);
r = chash_get(md->mdir_msg_hash, &key, &value);
if (r < 0)
return MAIL_ERROR_MSG_NOT_FOUND;
md_msg = value.data;
driver_flags = maildirdriver_maildir_flags_to_flags(md_msg->msg_flags);
ext = clist_new();
if (ext == NULL)
return MAIL_ERROR_MEMORY;
msg_info->msg_flags = mail_flags_new(driver_flags, ext);
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
}
static int get_flags(mailmessage * msg_info,
struct mail_flags ** result)
{
char key[PATH_MAX];
int r;
struct db_session_state_data * sess_data;
struct mail_cache_db * maildb;
int res;
MMAPString * mmapstr;
sess_data = get_session_data(msg_info);
r = mail_cache_db_open_lock(sess_data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
snprintf(key, sizeof(key), "%lu-flags", (unsigned long) msg_info->msg_index);
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
r = generic_cache_flags_read(maildb, mmapstr,
key, &msg_info->msg_flags);
mmap_string_free(mmapstr);
if (r != MAIL_NO_ERROR) {
msg_info->msg_flags = mail_flags_new_empty();
if (msg_info->msg_flags == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
}
mail_cache_db_close_unlock(sess_data->db_filename, maildb);
* result = msg_info->msg_flags;
return MAIL_NO_ERROR;
close_db:
mail_cache_db_close_unlock(sess_data->db_filename, maildb);
err:
return res;
}
int v4l2_set_frequency(void** session_data, int frequency){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
session->freq = get_proprietary_freq( frequency, session->fact);
ret= set_freq(session->fd, session->freq);
if (ret < 0)
return -1;
return frequency;
}
int v4l2_get_frequency (void ** session_data){
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = get_freq(session->fd);
if (ret < 0)
return -1;
session->freq = get_standard_freq(ret, session->fact);
return session->freq;
}
int v4l2_scan (void ** session_data, enum fmradio_seek_direction_t direction){
fm_v4l2_data* session;
int increment, rate, freqi, ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
session->scan_band_run=SCAN_RUN;
if (direction==FMRADIO_SEEK_DOWN)
increment = - session->grid;
else //FMRADIO_SEEK_UP
increment = session->grid;
freqi = session->freq + increment; //drop the current frequency
ALOGI("Starting scanning...\n");
while (session->scan_band_run==SCAN_RUN){
ret= set_freq(session->fd, freqi);
if (ret<0)
return -1;
usleep(LOCKTIME); // let it lock on
rate= get_signal_strength( session->fd, &session->vt);
if (rate < 0)
return -1;
ALOGI("final rate %d > %d \n", rate , session->threshold);
if (rate > session->threshold){
ALOGI("Found freq, %d\n", freqi);
session->scan_band_run=SCAN_STOP;
session->freq = freqi;
return get_standard_freq(freqi, session->fact);
}
freqi += increment;
if ( freqi > session->high_freq)
freqi = session->low_freq;
if ( freqi < session->low_freq)
freqi = session->high_freq;
}
ALOGI("End scan\n");
return 0;
}
int v4l2_reset(void** session_data)
{
fm_v4l2_data* session;
int ret;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
ret = set_mute(session->fd, MUTE_ON);
if (ret < 0)
return -1;
ret = close(session->fd);
if (ret < 0)
return -1;
free(session);
return 0;
}
int v4l2_get_rds(void * * session_data, struct fmradio_rds_bundle_t * fmradio_rds_bundle) {
int ret = 1;
int bytesNum, i, j, blocknum, last_block_num, next_expected_block, group_status, group_type;
char * buf, * group;
char b0, b1, b2, b1_l5;
int index;
fm_v4l2_data * session = get_session_data(session_data);
buf = malloc(sizeof(char) * BUFFER_RDS_SIZE);
group = malloc(sizeof(char) * GROUP_SIZE);
CLEAN_RDS
bytesNum = read(session -> fd, buf, BUFFER_RDS_SIZE);
if (bytesNum == -1 && errno == EINTR) {
ALOGE("Error on RDS read\n");
ret = 2;
}
if (bytesNum > 0) {
ALOGI("read num bytes %d\n", bytesNum); //assuming to have always multiple of 3
for (i = 0; i < bytesNum; i += 3) {
b0 = buf[i];
b1 = buf[i + 1];
b2 = buf[i + 2];
if ((b2 & 0x80) != 0) {
CLEAN_RDS
continue;
}
blocknum = b2 & 0x07; // What's the differnce between "Received Offset"
if (blocknum == 4) blocknum = 2; // Treat C' as C
if ((blocknum == 5) || (blocknum == 6)) continue; // ignore E Blocks
if (blocknum == 7) { //invalid block
CLEAN_RDS
continue;
}
static inline mailimap * get_imap_session(mailmessage * msg)
{
return get_session_data(msg)->imap_session;
}
static struct maildir * get_maildir_session(mailmessage * msg)
{
return get_session_data(msg)->md_session;
}
int v4l2_full_scan (void ** session_data, int ** found_freqs, int ** signal_strenghts){
fm_v4l2_data* session;
int founded, i, ret;
int freqi, rate;
int *temp_freq, *temp_strenght;
ALOGI("%s:\n", __FUNCTION__);
session = get_session_data(session_data);
session->scan_band_run=SCAN_RUN;
temp_freq = (int *) malloc(sizeof(int) *MAX_FREQS);
temp_strenght = (int *) malloc(sizeof(int) *MAX_FREQS);
if (temp_freq == NULL || temp_strenght==NULL){
ALOGE("error on allocate");
return -1;
}
ALOGI("Starting full scanning...low freq:%d, high freq:%d\n", session->low_freq, session->high_freq);
for (freqi = session->low_freq, founded=0 ; ((freqi < session->high_freq) && (founded < MAX_FREQS) && (session->scan_band_run==SCAN_RUN)) ; freqi += session->grid){
ret = set_freq(session->fd, freqi);
if (ret<0)
return -1;
usleep(LOCKTIME); /* let it lock on */
rate= get_signal_strength(session->fd, &session->vt);
if (rate < 0)
return -1;
ALOGI("final rate %d > %d \n", rate ,session->threshold);
if (rate > session->threshold){
ALOGI("Founded index %d, freq %d\n", founded, freqi);
temp_freq[founded]= freqi;
temp_strenght[founded]= rate;
founded++;
}
}
*found_freqs = (int *) malloc(sizeof(int) * founded);
*signal_strenghts = (int *) malloc(sizeof(int) * founded);
if (*found_freqs == NULL || *signal_strenghts==NULL){
ALOGE("error on allocate");
return -1;
}
//copy founded frequencies
for (i=0; i<founded; i++){
(*found_freqs)[i] = get_standard_freq(temp_freq[i], session->fact);
(*signal_strenghts)[i] = temp_strenght[i];
ALOGI("Copied index %d, freq %d, signal %d\n",i, (*found_freqs)[i], (*signal_strenghts)[i] );
}
ALOGI("End full scan\n");
free(temp_freq);
free(temp_strenght);
session->scan_band_run=SCAN_STOP;
return i;
}
