void TVSearchMgr::UnInit()
{
dxreport("TVSearchMgr::~UnInit Begin >>>\n");
m_pNotifyProxy = NULL;
if(m_pTVSearchMgrThread != NULL )
{
m_pTVSearchMgrThread->stop();
delete m_pTVSearchMgrThread;
m_pTVSearchMgrThread = NULL;
}
m_listDVBService.clear();
ClearSearchers();
destroy_search();
tvdevice_close(m_hTvDevice);
dxreport("TVSearchMgr::~UnInit End <<<\n");
}
/*main function*/
int main(int argc, char *argv[]) {
search *mysearch; /*ptr to a structure holding the search request */
remote *rmt;
Client_para *para;
pthread_t id;
int err, rmt_flag;
char *temp;
time_type t_start, t_end;
double tdiff;
/*initialization*/
err = 0;
rmt_flag = 0;
mysearch = NULL;
init_search(&mysearch);
/* process all the command line switches */
opterr = 0; /* prevent getopt() from printing error messages */
scan_opt_search(argc, argv, mysearch); /*move the getopt to command_util.h to shorten the main */
/*build the shift table*/
build_shifttable(mysearch);
/*
* if there is no argument in list of files
* directly go to stdin
*/
if (optind >= argc) {
search_stream(stdin, NULL, mysearch, NULL);
return 0;
}
get_time(&t_start);
/* process the list of files*/
for (; optind < argc; optind++) {
/* if it a remote search */
temp = argv[optind];
/* if it is remote search and has been successfully parsed*/
if ((rmt = scan_remote_search(temp, &rmt_flag)) != NULL) {
if ((para = (Client_para*) malloc(sizeof(Client_para))) == NULL) {
perror("malloc");
continue;
}
para->mysearch = mysearch;
para->rmt = rmt;
/* spawn a thread the perform remote search*/
// increment the stack count
pthread_mutex_lock(&(mysearch->lock));
err = pthread_create(&id, NULL, client_agent, (void*) para);
mysearch->stk_count++;
if (err != 0) {
fprintf(stderr, "Pthread_create of client\n");
free(para);
mysearch->stk_count--;
pthread_mutex_unlock(&(mysearch->lock));
continue;
}
pthread_mutex_unlock(&(mysearch->lock));
continue;
} else if (rmt_flag == 1) {
/* if a : used to appear there but has not been parsed, neglect it */
continue;
}
if (strcmp(temp, STREAM_REDIRECT) == 0)
/* "-" redirect the io to stdin*/
{
search_stream(stdin, NULL, mysearch, NULL);
continue;
}
search_given(temp, mysearch);
}
/* wait all the thread to be done*/
while (mysearch->stk_count != 0) {
pthread_cond_wait(&(mysearch->ready), &(mysearch->lock));
}
get_time(&t_end);
tdiff = time_diff(&t_start, &t_end);
/* print the statistical result*/
print_stat(stdout, &(mysearch->statistics), tdiff);
destroy_search(mysearch);
return 0;
} /* main */
/* the agent is now a separate thread */
void *
server_agent(void *params) {
int client_fd, n, errcode;
enum header_types type;
unsigned int len;
char to_search[MAX_SEARCH_STR];
char remote_obj[REMOTE_NAME_MAX];
time_type t_start, t_end;
double tdiff;
msg_one msg1;
search *mysearch;
Statistics statistic;
/* we are now successfully connected to a remote client */
client_fd = ((struct thread_params *) params)->client_fd;
fprintf(stderr, "Starting Agent fd: %d, thread id: %lu \n", client_fd,
(unsigned long) pthread_self());
/* do some initialization*/
memset(&statistic, 0, sizeof(Statistics));
errcode = pthread_detach(pthread_self());
if (errcode != 0) {
fprintf(stderr, "pthread_detach server agent: %s\n", strerror(errcode));
}
pthread_once(&init_done, thread_init);
get_time(&t_start);
len = sizeof(msg_one);
/* first message should be the file name */
if ((n = our_recv_message(client_fd, &type, &len, &msg1)) < 0)
return NULL;
if (type != OPTION_PARAMETER)
return NULL;
/*firstly build the search object */
mysearch = build_search(&msg1);
mysearch->client_fd = client_fd;
/* then print the search options */
print_search_para(client_fd, mysearch);
/* receive the second message*/
len = MAX_SEARCH_STR;
if ((n = our_recv_message(client_fd, &type, &len, to_search)) < 0)
return NULL;
if (type != TO_SEARCH)
return NULL;
len = strlen(to_search);
if ((mysearch->search_pattern = (char*) malloc(len + 1)) == NULL) {
perror("malloc");
free(params);
return NULL;
}
strncpy(mysearch->search_pattern, to_search, len+1);
/*build its own shift table if needed */
build_shifttable(mysearch);
/* receive the second message*/
len = REMOTE_NAME_MAX;
if ((n = our_recv_message(client_fd, &type, &len, remote_obj)) < 0)
return NULL;
if (type != REMOTE_NAME)
return NULL;
/* do the search job */
search_given(remote_obj, mysearch);
/* send the statistics message 6*/
/*wait for directory search to be finished if it is on the server side*/
while (mysearch->stk_count != 0) {
pthread_cond_wait(&(mysearch->ready), &(mysearch->lock));
}
len = sizeof(Statistics);
/* make a copy of little/big endian adapted statistical structure*/
update_statistics_sock(&statistic, &mysearch->statistics);
trans_stat2send(&statistic);
if (our_send_message(mysearch->client_fd, STATISTICS_MSG, len, &statistic)
!= 0) {
fprintf(stderr, "Fail to send statistics\n");
return NULL;
}
get_time(&t_end);
tdiff = time_diff(&t_start, &t_end);
fprintf(stderr, "Search Statistics: client fd %u, thread id %lu\n",
mysearch->client_fd, (unsigned long) pthread_self());
print_stat(stderr, &mysearch->statistics, tdiff);
destroy_search(mysearch);
fprintf(stderr, "Terminating Agent fd: %d, thread id: %lu \n", client_fd,
(unsigned long) pthread_self());
free(params);
return NULL;
} /* server_agent */
