/*
* cmyth_livetv_chain_add_url(cmyth_recorder_t rec, char * url)
*
* Scope: PRIVATE
*
* Description
*
* Called to add a url to a livetv chain structure. The url is added
* only if it is not already there.
*
* Return Value:
*
* Success: 0
*
* Faiure: -1
*/
static int
cmyth_livetv_chain_add_url(cmyth_recorder_t rec, char * url)
{
char ** tmp;
cmyth_file_t * fp;
cmyth_proginfo_t * pi;
int ret = 0;
if(cmyth_livetv_chain_has_url(rec,url) == -1) {
if(rec->rec_livetv_chain->chain_current == -1) {
rec->rec_livetv_chain->chain_ct = 1;
rec->rec_livetv_chain->chain_current = 0;
/* Nothing in the chain yet, allocate the space */
tmp = (char**)ref_alloc(sizeof(char *));
fp = (cmyth_file_t *)ref_alloc(sizeof(cmyth_file_t));
pi = (cmyth_proginfo_t *)ref_alloc(sizeof(cmyth_proginfo_t));
}
else {
rec->rec_livetv_chain->chain_ct++;
tmp = (char**)ref_realloc(rec->rec_livetv_chain->chain_urls,
sizeof(char *)*rec->rec_livetv_chain->chain_ct);
fp = (cmyth_file_t *)
ref_realloc(rec->rec_livetv_chain->chain_files,
sizeof(cmyth_file_t)*rec->rec_livetv_chain->chain_ct);
pi = (cmyth_proginfo_t *)
ref_realloc(rec->rec_livetv_chain->progs,
sizeof(cmyth_proginfo_t)*rec->rec_livetv_chain->chain_ct);
}
if(tmp != NULL && fp != NULL) {
rec->rec_livetv_chain->chain_urls = ref_hold(tmp);
rec->rec_livetv_chain->chain_files = ref_hold(fp);
rec->rec_livetv_chain->progs = ref_hold(pi);
ref_release(tmp);
ref_release(fp);
ref_release(pi);
rec->rec_livetv_chain->chain_urls[rec->rec_livetv_chain->chain_ct-1]
= ref_strdup(url);
rec->rec_livetv_chain->chain_files[rec->rec_livetv_chain->chain_ct-1]
= ref_hold(NULL);
rec->rec_livetv_chain->progs[rec->rec_livetv_chain->chain_ct-1]
= ref_hold(NULL);
}
else {
ret = -1;
cmyth_dbg(CMYTH_DBG_ERROR,
"%s: memory allocation request failed\n",
__FUNCTION__);
}
}
return ret;
}
static int
query_buffer_check_len(cmyth_mysql_query_t *query, int len)
{
if(len + query->buf_used >= query->buf_size)
{
/* Increase buffer size by len or out->source_len, whichever
* is bigger
*/
if(query->source_len > len)
query->buf_size += query->source_len;
else
query->buf_size += len;
query->buf = ref_realloc(query->buf,query->buf_size);
if(query->buf == NULL)
{
cmyth_mysql_query_reset(query);
return -1;
}
}
return 0;
}
static void
cmyth_chain_update(cmyth_chain_t chain, cmyth_recorder_t rec, char *msg)
{
char *p;
cmyth_proginfo_t prog = NULL;
cmyth_chain_entry_t entry;
int size, tip;
long long offset;
int start = 0;
char *path;
if ((p=strchr(msg, ' ')) != NULL) {
*(p++) = '\0';
if (strcmp(msg, "LIVETV_CHAIN UPDATE") != 0) {
return;
}
} else {
p = msg;
}
prog = cmyth_recorder_get_cur_proginfo(rec);
if (prog == NULL) {
return;
}
path = cmyth_proginfo_pathname(prog);
if (path == NULL) {
return;
}
if (strlen(path) == 0) {
ref_release(path);
ref_release(prog);
return;
}
ref_release(path);
pthread_mutex_lock(&chain->chain_mutex);
if (!chain->chain_id || (strncmp(p, chain->chain_id, strlen(p)) != 0)) {
goto out;
}
tip = chain->chain_count - 1;
if (tip >= 0) {
path = cmyth_proginfo_pathname(chain->chain_list[tip]->prog);
ref_release(path);
if (cmyth_proginfo_compare(prog,
chain->chain_list[tip]->prog) == 0) {
ref_release(prog);
goto out;
}
offset = chain->chain_list[tip]->offset +
cmyth_proginfo_length(chain->chain_list[tip]->prog);
} else {
offset = 0;
start = 1;
}
size = sizeof(*chain->chain_list) * (++chain->chain_count);
chain->chain_list = ref_realloc(chain->chain_list, size);
entry = ref_alloc(sizeof(*entry));
entry->prog = prog;
entry->file = NULL;
entry->offset = offset;
chain->chain_list[tip+1] = entry;
pthread_cond_broadcast(&chain->chain_cond);
out:
pthread_mutex_unlock(&chain->chain_mutex);
if (start) {
chain->chain_current = 0;
cmyth_chain_switch(chain, 0);
}
}
