Refactoring

merge-requests/2/head
Valentin Lechner 5 years ago
parent 24a629d7e8
commit 3abccec17e

@ -35,9 +35,9 @@
/**** types *******************************************************************
*******************************************************************************/
struct tcp_conn_handler_data{
struct sockaddr_in *address;
struct socket *accept_socket;
int thread_id;
struct sockaddr_in *FAddress;
struct socket *FAcceptSocket;
int FThreadID;
};
struct tcp_conn_handler{
@ -46,144 +46,146 @@ struct tcp_conn_handler{
int tcp_conn_handler_stopped[MAX_CONNS];
};
struct tcp_conn_handler *tcp_conn_handler;
struct tcp_conn_handler *STCPConnHandler;
struct tcp_server_service{
int running;
struct socket *listen_socket;
struct task_struct *thread;
struct task_struct *accept_thread;
int FRunning;
struct socket *FListenSocket;
struct task_struct *FThread;
struct task_struct *FAccpeptThread;
};
struct tcp_server_service *tcp_server;
struct tcp_server_service *FTCPServer_Service;
/**** var **********************************************************************
*******************************************************************************/
int tcp_listener_stopped = 0;
int tcp_acceptor_stopped = 0;
static int STCPListenerStopped = 0;
static int STCPAcceptorStopped = 0;
char *inet_ntoa(struct in_addr *in){
char *str_ip = NULL;
u_int32_t int_ip = 0;
char *inet_ntoa(struct in_addr *AInAddr){
char *LIPAddr = NULL;
u_int32_t LIPInt = 0;
str_ip = kmalloc(16 * sizeof(char), GFP_KERNEL);
LIPAddr = kmalloc(16 * sizeof(char), GFP_KERNEL);
if(!str_ip)
if(!LIPAddr)
return NULL;
else
memset(str_ip, 0, 16);
memset(LIPAddr, 0, 16);
int_ip = in->s_addr;
LIPInt = AInAddr->s_addr;
sprintf(str_ip, "%d.%d.%d.%d", (int_ip) & 0xFF, (int_ip >> 8) & 0xFF,
(int_ip >> 16) & 0xFF, (int_ip >> 16) & 0xFF);
sprintf(LIPAddr, "%d.%d.%d.%d", (LIPInt) & 0xFF, (LIPInt >> 8) & 0xFF,
(LIPInt >> 16) & 0xFF, (LIPInt >> 16) & 0xFF);
return str_ip;
return LIPAddr;
}
int tcp_server_send(struct socket *sock, int id, const char *buf,\
const size_t length, unsigned long flags){
struct msghdr msg;
struct kvec vec;
int len, written = 0, left =length;
mm_segment_t oldmm;
int tcp_server_send(struct socket *ASocket, int AID, const char *ABuf,\
const size_t ALength, unsigned long AFlags){
struct msghdr LMsgHeader;
struct kvec LVec;
int LLen, LWritten, LLeft;
mm_segment_t LOldMM;
msg.msg_name = 0;
msg.msg_namelen = 0;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = flags;
msg.msg_flags = 0;
LWritten = 0;
LLeft = ALength;
oldmm = get_fs(); set_fs(KERNEL_DS);
LMsgHeader.msg_name = 0;
LMsgHeader.msg_namelen = 0;
LMsgHeader.msg_control = NULL;
LMsgHeader.msg_controllen = 0;
LMsgHeader.msg_flags = AFlags;
LMsgHeader.msg_flags = 0;
LOldMM = get_fs(); set_fs(KERNEL_DS);
repeat_send:
vec.iov_len = left;
vec.iov_base = (char *)buf + written;
LVec.iov_len = LLeft;
LVec.iov_base = (char *)ABuf + LWritten;
len = kernel_sendmsg(sock, &msg, &vec, left, left);
LLen = kernel_sendmsg(ASocket, &LMsgHeader, &LVec, LLeft, LLeft);
if((len == -ERESTARTSYS) || (!(flags & MSG_DONTWAIT) &&\
(len == -EAGAIN)))
if((LLen == -ERESTARTSYS) || (!(AFlags & MSG_DONTWAIT) &&\
(LLen == -EAGAIN)))
goto repeat_send;
if(len > 0){
written += len;
left -= len;
if(left)
if(LLen > 0){
LWritten += LLen;
LLeft -= LLen;
if(LLeft)
goto repeat_send;
}
set_fs(oldmm);
return written?written:len;
set_fs(LOldMM);
return LWritten?LWritten:LLen;
}
int tcp_server_receive(struct socket *sock, int id,struct sockaddr_in *address,\
unsigned char *buf,int size, unsigned long flags){
struct msghdr msg;
struct kvec vec;
int len;
char *tmp = NULL;
int tcp_server_receive(struct socket *ASock, int AID,struct sockaddr_in *AAddress,\
unsigned char *ABuf,int ASize, unsigned long AFlags){
struct msghdr LMsgHeader;
struct kvec LVec;
int LLen;
char *LTmp = NULL;
if(sock==NULL){
if(ASock==NULL){
pr_info(" *** mtp | tcp server receive socket is NULL| "
" tcp_server_receive *** \n");
return -1;
}
msg.msg_name = 0;
msg.msg_namelen = 0;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = flags;
LMsgHeader.msg_name = 0;
LMsgHeader.msg_namelen = 0;
LMsgHeader.msg_control = NULL;
LMsgHeader.msg_controllen = 0;
LMsgHeader.msg_flags = AFlags;
vec.iov_len = size;
vec.iov_base = buf;
LVec.iov_len = ASize;
LVec.iov_base = ABuf;
read_again:
if(!skb_queue_empty(&sock->sk->sk_receive_queue))
if(!skb_queue_empty(&ASock->sk->sk_receive_queue))
pr_info("recv queue empty ? %s \n",
skb_queue_empty(&sock->sk->sk_receive_queue)?"yes":"no");
skb_queue_empty(&ASock->sk->sk_receive_queue)?"yes":"no");
len = kernel_recvmsg(sock, &msg, &vec, size, size, flags);
LLen = kernel_recvmsg(ASock, &LMsgHeader, &LVec, ASize, ASize, AFlags);
if(len == -EAGAIN || len == -ERESTARTSYS)
if(LLen == -EAGAIN || LLen == -ERESTARTSYS)
goto read_again;
tmp = inet_ntoa(&(address->sin_addr));
LTmp = inet_ntoa(&(AAddress->sin_addr));
pr_info("client-> %s:%d, says: %s\n", tmp, ntohs(address->sin_port), buf);
pr_info("client-> %s:%d, says: %s\n", LTmp, ntohs(AAddress->sin_port), ABuf);
kfree(tmp);
//len = msg.msg_iter.kvec->iov_len;
return len;
kfree(LTmp);
return LLen;
}
int connection_handler(void *data){
struct tcp_conn_handler_data *conn_data =
(struct tcp_conn_handler_data *)data;
int connection_handler(void *AData){
struct tcp_conn_handler_data *LConnData =
(struct tcp_conn_handler_data *)AData;
struct sockaddr_in *address = conn_data->address;
struct socket *accept_socket = conn_data->accept_socket;
int id = conn_data->thread_id;
struct sockaddr_in *LAddress = LConnData->FAddress;
struct socket *LAcceptSocket = LConnData->FAcceptSocket;
int LID = LConnData->FThreadID;
int ret;
int len = 49;
unsigned char in_buf[len+1];
unsigned char out_buf[len+1];
int LRet;
int LLen = 49;
unsigned char LInBuf[LLen+1];
unsigned char LOutBuf[LLen+1];
DECLARE_WAITQUEUE(recv_wait, current);
allow_signal(SIGKILL|SIGSTOP);
while(1){
add_wait_queue(&accept_socket->sk->sk_wq->wait, &recv_wait);
add_wait_queue(&LAcceptSocket->sk->sk_wq->wait, &recv_wait);
while(skb_queue_empty(&accept_socket->sk->sk_receive_queue)){
while(skb_queue_empty(&LAcceptSocket->sk->sk_receive_queue)){
__set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ);
@ -192,203 +194,187 @@ int connection_handler(void *data){
"thread stopped | connection_handler *** \n");
//tcp_conn_handler->thread[id] = NULL;
tcp_conn_handler->tcp_conn_handler_stopped[id]= 1;
STCPConnHandler->tcp_conn_handler_stopped[LID]= 1;
__set_current_state(TASK_RUNNING);
remove_wait_queue(&accept_socket->sk->sk_wq->wait,\
remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait,\
&recv_wait);
kfree(tcp_conn_handler->data[id]->address);
kfree(tcp_conn_handler->data[id]);
sock_release(tcp_conn_handler->data[id]->accept_socket);
kfree(STCPConnHandler->data[LID]->FAddress);
kfree(STCPConnHandler->data[LID]);
sock_release(STCPConnHandler->data[LID]->FAcceptSocket);
return 0;
}
if(signal_pending(current)){
__set_current_state(TASK_RUNNING);
remove_wait_queue(&accept_socket->sk->sk_wq->wait,\
remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait,\
&recv_wait);
goto out;
}
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(&accept_socket->sk->sk_wq->wait, &recv_wait);
remove_wait_queue(&LAcceptSocket->sk->sk_wq->wait, &recv_wait);
pr_info("receiving message\n");
memset(in_buf, 0, len+1);
ret = tcp_server_receive(accept_socket, id, address, in_buf, len,\
memset(LInBuf, 0, LLen+1);
LRet = tcp_server_receive(LAcceptSocket, LID, LAddress, LInBuf, LLen,\
MSG_DONTWAIT);
if(ret > 0){
if(memcmp(in_buf, "HOLA", 4) == 0){
memset(out_buf, 0, len+1);
strcat(out_buf, "HOLASI");
pr_info("sending response: %s\n", out_buf);
tcp_server_send(accept_socket, id, out_buf,\
strlen(out_buf), MSG_DONTWAIT);
if(LRet > 0){
if(memcmp(LInBuf, "HOLA", 4) == 0){
memset(LOutBuf, 0, LLen+1);
strcat(LOutBuf, "HOLASI");
pr_info("sending response: %s\n", LOutBuf);
tcp_server_send(LAcceptSocket, LID, LOutBuf,\
strlen(LOutBuf), MSG_DONTWAIT);
}
/*
tmp = inet_ntoa(&(address->sin_addr));
pr_info("connection handler: %d of: %s %d done sending "
" HOLASI\n", id, tmp, ntohs(address->sin_port));
kfree(tmp);
*/
if(memcmp(in_buf, "ADIOS", 5) == 0){
memset(out_buf, 0, len+1);
strcat(out_buf, "ADIOSAMIGO");
pr_info("sending response: %s\n", out_buf);
tcp_server_send(accept_socket, id, out_buf,\
strlen(out_buf), MSG_DONTWAIT);
if(memcmp(LInBuf, "ADIOS", 5) == 0){
memset(LOutBuf, 0, LLen+1);
strcat(LOutBuf, "ADIOSAMIGO");
pr_info("sending response: %s\n", LOutBuf);
tcp_server_send(LAcceptSocket, LID, LOutBuf,\
strlen(LOutBuf), MSG_DONTWAIT);
break;
}
}
}
out:
/*
tmp = inet_ntoa(&(address->sin_addr));
pr_info("connection handler: %d of: %s %d exiting normally\n",
id, tmp, ntohs(address->sin_port));
kfree(tmp);
*/
tcp_conn_handler->tcp_conn_handler_stopped[id]= 1;
kfree(tcp_conn_handler->data[id]->address);
kfree(tcp_conn_handler->data[id]);
sock_release(tcp_conn_handler->data[id]->accept_socket);
//spin_lock(&tcp_server_lock);
tcp_conn_handler->thread[id] = NULL;
//spin_unlock(&tcp_server_lock);
//return 0;
STCPConnHandler->tcp_conn_handler_stopped[LID]= 1;
kfree(STCPConnHandler->data[LID]->FAddress);
kfree(STCPConnHandler->data[LID]);
sock_release(STCPConnHandler->data[LID]->FAcceptSocket);
STCPConnHandler->thread[LID] = NULL;
do_exit(0);
}
int tcp_server_accept(void){
int accept_err = 0;
struct socket *socket;
struct socket *accept_socket = NULL;
struct inet_connection_sock *isock;
int id = 0;
int LAcceptErr = 0;
struct socket *LSocket;
struct socket *LAcceptSocket = NULL;
struct inet_connection_sock *LISock;
int LID = 0;
DECLARE_WAITQUEUE(accept_wait, current);
allow_signal(SIGKILL|SIGSTOP);
socket = tcp_server->listen_socket;
LSocket = FTCPServer_Service->FListenSocket;
pr_info(" *** mtp | creating the accept socket | tcp_server_accept "
"*** \n");
while(1){
struct tcp_conn_handler_data *data = NULL;
struct sockaddr_in *client = NULL;
char *tmp;
struct tcp_conn_handler_data *LTCPConnHData = NULL;
struct sockaddr_in *LClient = NULL;
char *LTmp;
int addr_len;
accept_err =
sock_create(socket->sk->sk_family, socket->type,\
socket->sk->sk_protocol, &accept_socket);
LAcceptErr =
sock_create(LSocket->sk->sk_family, LSocket->type,\
LSocket->sk->sk_protocol, &LAcceptSocket);
if(accept_err < 0 || !accept_socket){
if(LAcceptErr < 0 || !LAcceptSocket){
pr_info(" *** mtp | accept_error: %d while creating "
"tcp server accept socket | "
"tcp_server_accept *** \n", accept_err);
"tcp_server_accept *** \n", LAcceptErr);
goto err;
}
accept_socket->type = socket->type;
accept_socket->ops = socket->ops;
LAcceptSocket->type = LSocket->type;
LAcceptSocket->ops = LSocket->ops;
isock = inet_csk(socket->sk);
LISock = inet_csk(LSocket->sk);
add_wait_queue(&socket->sk->sk_wq->wait, &accept_wait);
while(reqsk_queue_empty(&isock->icsk_accept_queue)){
add_wait_queue(&LSocket->sk->sk_wq->wait, &accept_wait);
while(reqsk_queue_empty(&LISock->icsk_accept_queue)){
__set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ);
if(kthread_should_stop()){
pr_info(" *** mtp | tcp server acceptor thread "
"stopped | tcp_server_accept *** \n");
tcp_acceptor_stopped = 1;
STCPAcceptorStopped = 1;
__set_current_state(TASK_RUNNING);
remove_wait_queue(&socket->sk->sk_wq->wait,\
remove_wait_queue(&LSocket->sk->sk_wq->wait,\
&accept_wait);
sock_release(accept_socket);
sock_release(LAcceptSocket);
return 0;
}
if(signal_pending(current)){
__set_current_state(TASK_RUNNING);
remove_wait_queue(&socket->sk->sk_wq->wait,\
remove_wait_queue(&LSocket->sk->sk_wq->wait,\
&accept_wait);
goto release;
}
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(&socket->sk->sk_wq->wait, &accept_wait);
remove_wait_queue(&LSocket->sk->sk_wq->wait, &accept_wait);
pr_info("accept connection\n");
accept_err =
socket->ops->accept(socket, accept_socket, O_NONBLOCK);
LAcceptErr =
LSocket->ops->accept(LSocket, LAcceptSocket, O_NONBLOCK);
if(accept_err < 0){
if(LAcceptErr < 0){
pr_info(" *** mtp | accept_error: %d while accepting "
"tcp server | tcp_server_accept *** \n",
accept_err);
LAcceptErr);
goto release;
}
client = kmalloc(sizeof(struct sockaddr_in), GFP_KERNEL);
memset(client, 0, sizeof(struct sockaddr_in));
LClient = kmalloc(sizeof(struct sockaddr_in), GFP_KERNEL);
memset(LClient, 0, sizeof(struct sockaddr_in));
addr_len = sizeof(struct sockaddr_in);
accept_err =
accept_socket->ops->getname(accept_socket,\
(struct sockaddr *)client,\
LAcceptErr =
LAcceptSocket->ops->getname(LAcceptSocket,\
(struct sockaddr *)LClient,\
&addr_len, 2);
if(accept_err < 0){
if(LAcceptErr < 0){
pr_info(" *** mtp | accept_error: %d in getname "
"tcp server | tcp_server_accept *** \n",
accept_err);
LAcceptErr);
goto release;
}
tmp = inet_ntoa(&(client->sin_addr));
LTmp = inet_ntoa(&(LClient->sin_addr));
pr_info("connection from: %s %d \n",
tmp, ntohs(client->sin_port));
LTmp, ntohs(LClient->sin_port));
kfree(tmp);
kfree(LTmp);
pr_info("handle connection\n");
for(id = 0; id < MAX_CONNS; id++){
if(tcp_conn_handler->thread[id] == NULL)
for(LID = 0; LID < MAX_CONNS; LID++){
if(STCPConnHandler->thread[LID] == NULL)
break;
}
pr_info("gave free id: %d\n", id);
pr_info("gave free id: %d\n", LID);
if(id == MAX_CONNS)
if(LID == MAX_CONNS)
goto release;
data = kmalloc(sizeof(struct tcp_conn_handler_data), GFP_KERNEL);
memset(data, 0, sizeof(struct tcp_conn_handler_data));
LTCPConnHData = kmalloc(sizeof(struct tcp_conn_handler_data), GFP_KERNEL);
memset(LTCPConnHData, 0, sizeof(struct tcp_conn_handler_data));
data->address = client;
data->accept_socket = accept_socket;
data->thread_id = id;
LTCPConnHData->FAddress = LClient;
LTCPConnHData->FAcceptSocket = LAcceptSocket;
LTCPConnHData->FThreadID = LID;
tcp_conn_handler->tcp_conn_handler_stopped[id] = 0;
tcp_conn_handler->data[id] = data;
tcp_conn_handler->thread[id] =
kthread_run((void *)connection_handler, (void *)data, MODULE_NAME);
STCPConnHandler->tcp_conn_handler_stopped[LID] = 0;
STCPConnHandler->data[LID] = LTCPConnHData;
STCPConnHandler->thread[LID] =
kthread_run((void *)connection_handler, (void *)LTCPConnHData, MODULE_NAME);
if(kthread_should_stop()){
pr_info(" *** mtp | tcp server acceptor thread stopped"
" | tcp_server_accept *** \n");
tcp_acceptor_stopped = 1;
STCPAcceptorStopped = 1;
return 0;
}
@ -399,60 +385,60 @@ int tcp_server_accept(void){
}
tcp_acceptor_stopped = 1;
STCPAcceptorStopped = 1;
do_exit(0);
release:
sock_release(accept_socket);
sock_release(LAcceptSocket);
err:
tcp_acceptor_stopped = 1;
STCPAcceptorStopped = 1;
do_exit(0);
}
int tcp_server_listen(void)
{
int server_err;
struct socket *conn_socket;
struct sockaddr_in server;
int LServerErr;
struct socket *LConnSocket;
struct sockaddr_in LServer;
DECLARE_WAIT_QUEUE_HEAD(wq);
allow_signal(SIGKILL|SIGTERM);
server_err = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP,\
&tcp_server->listen_socket);
if(server_err < 0){
LServerErr = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP,\
&FTCPServer_Service->FListenSocket);
if(LServerErr < 0){
pr_info(" *** mtp | Error: %d while creating tcp server "
"listen socket | tcp_server_listen *** \n", server_err);
"listen socket | tcp_server_listen *** \n", LServerErr);
goto err;
}
conn_socket = tcp_server->listen_socket;
tcp_server->listen_socket->sk->sk_reuse = 1;
LConnSocket = FTCPServer_Service->FListenSocket;
FTCPServer_Service->FListenSocket->sk->sk_reuse = 1;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_family = AF_INET;
server.sin_port = htons(DEFAULT_PORT);
LServer.sin_addr.s_addr = INADDR_ANY;
LServer.sin_family = AF_INET;
LServer.sin_port = htons(DEFAULT_PORT);
server_err =
conn_socket->ops->bind(conn_socket, (struct sockaddr*)&server,\
sizeof(server));
LServerErr =
LConnSocket->ops->bind(LConnSocket, (struct sockaddr*)&LServer,\
sizeof(LServer));
if(server_err < 0){
if(LServerErr < 0){
pr_info(" *** mtp | Error: %d while binding tcp server "
"listen socket | tcp_server_listen *** \n", server_err);
"listen socket | tcp_server_listen *** \n", LServerErr);
goto release;
}
server_err = conn_socket->ops->listen(conn_socket, 16);
LServerErr = LConnSocket->ops->listen(LConnSocket, 16);
if(server_err < 0){
if(LServerErr < 0){
pr_info(" *** mtp | Error: %d while listening in tcp "
"server listen socket | tcp_server_listen "
"*** \n", server_err);
"*** \n", LServerErr);
goto release;
}
tcp_server->accept_thread =
FTCPServer_Service->FAccpeptThread =
kthread_run((void*)tcp_server_accept, NULL, MODULE_NAME);
while(1){
@ -469,19 +455,19 @@ int tcp_server_listen(void)
}
sock_release(conn_socket);
tcp_listener_stopped = 1;
sock_release(LConnSocket);
STCPListenerStopped = 1;
do_exit(0);
release:
sock_release(conn_socket);
sock_release(LConnSocket);
err:
tcp_listener_stopped = 1;
STCPListenerStopped = 1;
do_exit(0);
}
int tcp_server_start(void){
tcp_server->running = 1;
tcp_server->thread = kthread_run((void *)tcp_server_listen, NULL,\
FTCPServer_Service->FRunning = 1;
FTCPServer_Service->FThread = kthread_run((void *)tcp_server_listen, NULL,\
MODULE_NAME);
return 0;
}
@ -489,11 +475,11 @@ int tcp_server_start(void){
int network_server_init(void){
pr_info(" *** mtp | network_server initiated | "
"network_server_init ***\n");
tcp_server = kmalloc(sizeof(struct tcp_server_service), GFP_KERNEL);
memset(tcp_server, 0, sizeof(struct tcp_server_service));
FTCPServer_Service = kmalloc(sizeof(struct tcp_server_service), GFP_KERNEL);
memset(FTCPServer_Service, 0, sizeof(struct tcp_server_service));
tcp_conn_handler = kmalloc(sizeof(struct tcp_conn_handler), GFP_KERNEL);
memset(tcp_conn_handler, 0, sizeof(struct tcp_conn_handler));
STCPConnHandler = kmalloc(sizeof(struct tcp_conn_handler), GFP_KERNEL);
memset(STCPConnHandler, 0, sizeof(struct tcp_conn_handler));
tcp_server_start();
return 0;
@ -503,20 +489,20 @@ void network_server_exit(void){
int ret;
int id;
if(tcp_server->thread == NULL)
if(FTCPServer_Service->FThread == NULL)
pr_info(" *** mtp | No kernel thread to kill | "
"network_server_exit *** \n");
else
{
for(id = 0; id < MAX_CONNS; id++)
{
if(tcp_conn_handler->thread[id] != NULL)
if(STCPConnHandler->thread[id] != NULL)
{
if(!tcp_conn_handler->tcp_conn_handler_stopped[id])
if(!STCPConnHandler->tcp_conn_handler_stopped[id])
{
ret =
kthread_stop(tcp_conn_handler->thread[id]);
kthread_stop(STCPConnHandler->thread[id]);
if(!ret)
pr_info(" *** mtp | tcp server "
@ -527,32 +513,32 @@ void network_server_exit(void){
}
}
if(!tcp_acceptor_stopped)
if(!STCPAcceptorStopped)
{
ret = kthread_stop(tcp_server->accept_thread);
ret = kthread_stop(FTCPServer_Service->FAccpeptThread);
if(!ret)
pr_info(" *** mtp | tcp server acceptor thread"
" stopped | network_server_exit *** \n");
}
if(!tcp_listener_stopped)
if(!STCPListenerStopped)
{
ret = kthread_stop(tcp_server->thread);
ret = kthread_stop(FTCPServer_Service->FThread);
if(!ret)
pr_info(" *** mtp | tcp server listening thread"
" stopped | network_server_exit *** \n");
}
if(tcp_server->listen_socket != NULL && !tcp_listener_stopped)
if(FTCPServer_Service->FListenSocket != NULL && !STCPListenerStopped)
{
sock_release(tcp_server->listen_socket);
tcp_server->listen_socket = NULL;
sock_release(FTCPServer_Service->FListenSocket);
FTCPServer_Service->FListenSocket = NULL;
}
kfree(tcp_conn_handler);
kfree(tcp_server);
tcp_server = NULL;
kfree(STCPConnHandler);
kfree(FTCPServer_Service);
FTCPServer_Service = NULL;
}
}

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