int udp_send(void)
{
p_debug("udp_send");
struct sockaddr_in addr;
int sockfd, len = 0;
int addr_len = sizeof(struct sockaddr_in);
char buffer[256];
int broadcast = 1;
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
p_debug("creat socket error");
return -1;
}
if(-1 == setsockopt(sockfd,SOL_SOCKET,SO_BROADCAST,&broadcast,sizeof(broadcast)))
{
p_debug("setsockopt error");
close(sockfd);
return -1;
}
bzero(&addr, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(BROADCAST_PORT);
addr.sin_addr.s_addr = INADDR_BROADCAST;
sprintf(buffer, "{\"header\":{\"cmd\":%d, \"seq\":%d, \"ver\":%d, \"device\":%d, \"appid\":%d, \
\"code\":%d}, \"data\":[]}", BROADCAST_CMD, BROADCAST_SEQ, BROADCAST_VER, BROADCAST_DEVICE, \
void kill_error(int r)
{
if(nosignals == 0)
{
nosignals=1;
p_debug();
p_log(LOG_ERROR,-1,lngtxt(636));
}
exit(0x0);
}
void ill_error(int r)
{
if(nosignals == 0)
{
nosignals=1;
p_debug();
p_log(LOG_WARNING,-1,lngtxt(635));
nosignals=0;
}
return;
}
void term_error(int r)
{
if(nosignals == 1)
return;
nosignals=1;
p_debug();
p_log(LOG_ERROR,-1,lngtxt(610));
flushconfig();
nosignals=0;
return;
}
void hup_error(int r)
{
if(nosignals == 0)
{
nosignals=1;
p_debug();
p_log(LOG_WARNING,-1,lngtxt(611));
if(*user(1)->login!=0)
cmdrehash(1);
nosignals=0;
}
return;
}
void usr2_error(int r)
{
if(nosignals == 0)
{
nosignals=1;
p_debug();
p_log(LOG_INFO,-1,lngtxt(633));
resetconfig();
readconfig();
loadusers();
nosignals=0;
}
return;
}
/*############################## Functions ###################################*/
int check_internet_status(void)
{
p_debug("access get_wwanip\n");
char value[64]= "\0";
char uci_option_str[64]= "\0";
struct ifreq ifr_wlan1;
int inet_sock_wlan1;
int ret = 0;
ctx=uci_alloc_context();
memset(uci_option_str, '\0', 64);
memset(value, '\0', 64);
strcpy(uci_option_str, "network.wan.workmode");
uci_get_option_value(uci_option_str, value);
uci_free_context(ctx);
p_debug("value = %s\n",value);
if(!strcmp(value, "0"))
strcpy(ifr_wlan1.ifr_name, "eth0.1");
else if(!strcmp(value, "1"))
strcpy(ifr_wlan1.ifr_name, "apcli0");
else if(!strcmp(value, "2"))
strcpy(ifr_wlan1.ifr_name, "ppp0");
else{
p_debug("unknown workmode\n");
return -1;
}
inet_sock_wlan1 = socket(AF_INET, SOCK_DGRAM, 0);
if(-1 == inet_sock_wlan1)
{
p_debug("creat socket error!\n");
ret = -1;
}
if (ioctl(inet_sock_wlan1, SIOCGIFADDR, &ifr_wlan1) < 0)
{
p_debug("get no wan ip!\n");
ret = 0;
}else
{
p_debug("get wan ip success!\n");
ret = 1;
}
if(-1 != inet_sock_wlan1)
close(inet_sock_wlan1);
return ret;
}
int main()
{
list_node *token_list;
token current_token;
job *job_list;
init_tokenizer(stdin);
init_shell();
while (1)
{
fprintf(stdout, "myshell>");
token_list = create_list(sizeof(token));
//字句解析を行なってリストに追加する
while ((current_token = get_token()).kind != token_type_eol && current_token.kind != token_type_eof)
{
add_list(token_list, ¤t_token);
}
request_job_notification ();
if (token_list->next == NULL)
{
p_debug("continue");
continue;
}
//字句解析結果を表示
//dump_token_list_data(token_list);
//構文解析を行う
job_list = parse(token_list);
//実行
launch_job(job_list);
free_list(token_list);
}
}
void * backend_thread(){
// connection for listening on a port
// 2 conn_t cannot be allocated on stack (see comment on conn_t)
// since cause a seg faults
conn_t * pConnListen;
conn_t * pConn;
pid_t childpid, childpid2;
int status;
//int retval = 0;
// Network state
// FIXME cuda_bridge_request_t == cuda_packet_t == rpkt_t, this is rediculous
strm_hdr_t *hdr = NULL;
rpkt_t *rpkts = NULL; // array of cuda packets
if( (pConnListen = conn_malloc(__FUNCTION__, NULL)) == NULL ) return NULL;
// this allocates memory for the strm.rpkts, i.e., the array of packets
if( (pConn = conn_malloc(__FUNCTION__, NULL)) == NULL ) return NULL;
fprintf(stderr, "**************************************\n");
fprintf(stderr, "%s.%d: hey, here server thread!\n", __FUNCTION__, __LINE__);
fprintf(stderr, "**************************************\n");
// set up the connection
conn_localbind(pConnListen);
for(;;)
{
conn_accept(pConnListen, pConn); // blocking
printf("ACCEPTED A CONN***********\n");
if((childpid = fork()) == 0)
{
if((childpid2 = fork()) == 0)
{
// CLOSE the listen connection
// conn_close(pConnListen);
// Connection-related structures
hdr = &pConn->strm.hdr;
rpkts = pConn->strm.rpkts; // an array of packets (MAX_REMOTE_BATCH_SIZE)
// these are buffers for extra data transferred as
pConn->pReqBuffer = NULL;
pConn->pRspBuffer = NULL;
while(1) {
p_debug("------------------New RPC--------------------\n");
memset(hdr, 0, sizeof(strm_hdr_t));
memset(rpkts, 0, MAX_REMOTE_BATCH_SIZE * sizeof(rpkt_t));
pConn->request_data_size = 0;
pConn->response_data_size = 0;
pConn->pReqBuffer = freeBuffer(pConn->pReqBuffer);
pConn->pRspBuffer = freeBuffer(pConn->pRspBuffer);
//recv the header describing the batch of remote requests
if (1 != get(pConn, hdr, sizeof(strm_hdr_t))) {
break;
}
p_debug(" received request header. Expecting %d packets. And extra request buffer of data size %d\n",
hdr->num_cuda_pkts, hdr->data_size);
if (hdr->num_cuda_pkts <= 0) {
p_warn("Received header specifying zero packets, ignoring\n");
continue;
}
// Receive the entire batch.
// first the packets, then the extra data (reqbuf)
//
// let's assume that we have enough space. otherwise we have a problem
// pConn allocates the buffers for incoming cuda packets
// so we should be fine
if(1 != get(pConn, rpkts, hdr->num_cuda_pkts * sizeof(rpkt_t))) {
break;
}
p_info("Received %d packets, each of size of (%lu) bytes\n",
hdr->num_cuda_pkts, sizeof(rpkt_t));
p_info( "Received method %s (method_id %d) from Thr_id: %lu.\n",
methodIdToString(rpkts[0].method_id), rpkts[0].method_id, rpkts[0].thr_id);
// receiving the request buffer if any
if(hdr->data_size > 0){
p_info("Expecting data size/Buffer: %u, %d.\n",
hdr->data_size, pConn->request_data_size);
// let's assume that the expected amount of data will fit into
// the buffer we have (size of pConn->request_data_buffer
// allocate the right amount of memory for the request buffer
pConn->pReqBuffer = malloc(hdr->data_size);
if( mallocCheck(pConn->pReqBuffer, __FUNCTION__, NULL) == ERROR ){
break;
}
//assert(hdr->data_size <= TOTAL_XFER_MAX);
if(1 != get(pConn, pConn->pReqBuffer, hdr->data_size)){
pConn->pReqBuffer = freeBuffer(pConn->pReqBuffer);
break;
}
pConn->request_data_size = hdr->data_size;
p_info( "Received request buffer (%d bytes)\n", pConn->request_data_size);
}
// execute the request
pkt_execute(&rpkts[0], pConn);
// we need to send the one response packet + response_buffer if any
// @todo you need to check if he method needs to send
// and extended response - you need to provide the right
// data_size
if( strm_expects_response(&pConn->strm) ){
// send the header about response
p_debug( "pConn->response_data_size %d\n", pConn->response_data_size);
if (conn_sendCudaPktHdr(&*pConn, 1, pConn->response_data_size) == ERROR) {
p_info( "__ERROR__ after : Sending the CUDA packet response header: Quitting ... \n");
break;
}
// send the standard response (with cuda_error_t, and simple arguments etc)
if (1 != put(pConn, rpkts, sizeof(rpkt_t))) {
p_info("__ERROR__ after : Sending CUDA response packet: Quitting ... \n");
break;
}
p_info("Response packet sent.\n");
// send the extra data if you have anything to send
if( pConn->response_data_size > 0 ){
if (1 != put(pConn, pConn->pRspBuffer, pConn->response_data_size)) {
p_info("__ERROR__ after: Sending accompanying response buffer: Quitting ... \n"
);
break;
}
p_info( "Response buffer sent (%d) bytes.\n", pConn->response_data_size);
}
}
}
freeBuffer(pConn->pReqBuffer);
freeBuffer(pConn->pRspBuffer);
conn_close(pConnListen);
conn_close(pConn);
free(pConnListen);
free(pConn);
return NULL;
} //if(childpid2==0)
else
exit(0);
} //if(childpid==0)
//CLOSE THE other conn
conn_close(pConn);
waitpid(childpid, &status, NULL);
}//for(;;)
}
void* handle_req(void* p)
{
conn_t * pConn = (conn_t*)p;
// Network state
// FIXME cuda_bridge_request_t == cuda_packet_t == rpkt_t, this is rediculous
strm_hdr_t *hdr = NULL;
rpkt_t *rpkts = NULL; // array of cuda packets
// CLOSE the listen connection
// conn_close(pConnListen);
// Connection-related structures
hdr = &pConn->strm.hdr;
rpkts = pConn->strm.rpkts; // an array of packets (MAX_REMOTE_BATCH_SIZE)
// these are buffers for extra data transferred as
pConn->pReqBuffer = NULL;
pConn->pRspBuffer = NULL;
while(1) {
p_debug("------------------New RPC--------------------\n");
memset(hdr, 0, sizeof(strm_hdr_t));
memset(rpkts, 0, MAX_REMOTE_BATCH_SIZE * sizeof(rpkt_t));
pConn->request_data_size = 0;
pConn->response_data_size = 0;
pConn->pReqBuffer = freeBuffer(pConn->pReqBuffer);
pConn->pRspBuffer = freeBuffer(pConn->pRspBuffer);
//recv the header describing the batch of remote requests
if (1 != get(pConn, hdr, sizeof(strm_hdr_t))) {
break;
}
p_debug(" received request header. Expecting %d packets. And extra request buffer of data size %d\n",
hdr->num_cuda_pkts, hdr->data_size);
if (hdr->num_cuda_pkts <= 0) {
p_warn("Received header specifying zero packets, ignoring\n");
continue;
}
// Receive the entire batch.
// first the packets, then the extra data (reqbuf)
//
// let's assume that we have enough space. otherwise we have a problem
// pConn allocates the buffers for incoming cuda packets
// so we should be fine
if(1 != get(pConn, rpkts, hdr->num_cuda_pkts * sizeof(rpkt_t))) {
break;
}
p_info("Received %d packets, each of size of (%lu) bytes\n",
hdr->num_cuda_pkts, sizeof(rpkt_t));
p_info( "Received method %s (method_id %d) from Thr_id: %lu.\n",
methodIdToString(rpkts[0].method_id), rpkts[0].method_id, rpkts[0].thr_id);
// receiving the request buffer if any
if(hdr->data_size > 0){
p_info("Expecting data size/Buffer: %u, %d.\n",
hdr->data_size, pConn->request_data_size);
// let's assume that the expected amount of data will fit into
// the buffer we have (size of pConn->request_data_buffer
// allocate the right amount of memory for the request buffer
pConn->pReqBuffer = malloc(hdr->data_size);
if( mallocCheck(pConn->pReqBuffer, __FUNCTION__, NULL) == ERROR ){
break;
}
//assert(hdr->data_size <= TOTAL_XFER_MAX);
if(1 != get(pConn, pConn->pReqBuffer, hdr->data_size)){
pConn->pReqBuffer = freeBuffer(pConn->pReqBuffer);
break;
}
pConn->request_data_size = hdr->data_size;
p_info( "Received request buffer (%d bytes)\n", pConn->request_data_size);
}
// execute the request
pkt_execute(&rpkts[0], pConn);
// we need to send the one response packet + response_buffer if any
// @todo you need to check if he method needs to send
// and extended response - you need to provide the right
// data_size
if( strm_expects_response(&pConn->strm) ){
// send the header about response
p_debug( "pConn->response_data_size %d\n", pConn->response_data_size);
if (conn_sendCudaPktHdr(&*pConn, 1, pConn->response_data_size) == ERROR) {
p_info( "__ERROR__ after : Sending the CUDA packet response header: Quitting ... \n");
break;
}
// send the standard response (with cuda_error_t, and simple arguments etc)
if (1 != put(pConn, rpkts, sizeof(rpkt_t))) {
p_info("__ERROR__ after : Sending CUDA response packet: Quitting ... \n");
break;
}
p_info("Response packet sent.\n");
// send the extra data if you have anything to send
if( pConn->response_data_size > 0 ){
if (1 != put(pConn, pConn->pRspBuffer, pConn->response_data_size)) {
p_info("__ERROR__ after: Sending accompanying response buffer: Quitting ... \n"
);
break;
}
p_info( "Response buffer sent (%d) bytes.\n", pConn->response_data_size);
}
}
}//while(1)
dec_thread_count_per_device();
freeBuffer(pConn->pReqBuffer);
freeBuffer(pConn->pRspBuffer);
//conn_close(pConnListen);
conn_close(pConn);
//free(pConnListen);
free(pConn);
return NULL;
}