static void deliver_msg_data(consensus_component* comp,view_stamp* vs){
// in order to accelerate deliver process of the program
// we may just give the record number instead of the real data
// to the proxy, and then the proxy will take the overhead of database operation
db_key_type vstokey = vstol(vs);
if(comp->deliver_mode==1)
{
request_record* data = NULL;
size_t data_size=0;
retrieve_record(comp->db_ptr,sizeof(db_key_type),&vstokey,&data_size,(void**)&data);
SYS_LOG(comp,"Node %d Deliver View Stamp %u : %u To The User.\n",
comp->node_id,vs->view_id,vs->req_id);
STAT_LOG(comp,"Request:%lu\n",vstokey);
if(NULL!=data){
if(comp->ucb!=NULL){
comp->ucb(data->data_size,data->data,comp->up_para);
}else{
SYS_LOG(comp,"No Such Call Back Func.\n");
}
}
}else{
STAT_LOG(comp,"Request %lu.\n",vstokey);
if(comp->ucb!=NULL){
comp->ucb(sizeof(db_key_type),&vstokey,comp->up_para);
}else{
SYS_LOG(comp,"No Such Call Back Func.\n");
}
}
return;
}
/**
* @brief Connects to the host
*
* @param sess Session Context
* TODO - Move allocation part to separate function
* To enable one time allocation of server context
*
* @return Error Code
*/
static inline rtsp_error_t rtspc_connect(rtsp_session_t *sess){
struct addrinfo hints;
struct addrinfo *result, *rp;
int const service_len = 32;
char service[service_len];
int ret = -1;
if(!sess){
return (RTSP_E_INVALID_ARG);
}
/*
* Function will be called only valid url structure is present
*/
service[service_len-1]= '\0';
strcpy(service, "rtsp");
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC; /* IPv4 or IPv6 */
hints.ai_flags = 0;
hints.ai_protocol = 0;
switch(sess->rtsp_url.type){
case RTSP_NW_TCP:
hints.ai_socktype = SOCK_STREAM;
break;
case RTSP_NW_STAR:
case RTSP_NW_UDP:
default:
ERR_LOG("URI Not supported");
return (RTSP_E_UNSUPPORTED);
break;
}
if(sess->rtsp_url.port > 0){
snprintf(service, service_len,"%u", sess->rtsp_url.port);
hints.ai_flags = AI_NUMERICSERV;
} else {
/* Default rtsp service name will pick default port
* configured in the system /etc/services
*/
}
ret = getaddrinfo(sess->rtsp_url.host,service, &hints, &result);
if (ret != 0) {
ERR_LOG("getaddrinfo: %s\n", gai_strerror(ret));
return (RTSP_E_FAILURE);
}
/*
* Connect to address
* get Socket fd
*/
for (rp = result; rp != NULL; rp = rp->ai_next){
sess->sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (sess->sfd == -1)
continue;
if (connect(sess->sfd, rp->ai_addr, rp->ai_addrlen) != -1)
break;
/* Success */
close(sess->sfd);
}
freeaddrinfo(result);
if(rp == NULL){
ERR_LOG("Could not connect to host '%s'", sess->rtsp_url.host);
return (RTSP_E_FAILURE);
}
if(0 != set_non_blocking_socket (sess->sfd)){
ERR_LOG("Cannot Set Socket as Non-Blocking");
return (RTSP_E_FAILURE);
}
STAT_LOG("Connected to host '%s'", sess->rtsp_url.host);
return (RTSP_E_SUCCESS);
}
