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Added support for listen backlogs

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This commit is contained in:
Joseph Henry 2015-10-14 16:04:26 -04:00
parent d45db0f5af
commit 9ca699c86d
2 changed files with 8 additions and 4 deletions
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2
ext/lwipopts.h
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@ -48,6 +48,8 @@
//#define TCP_MSS 2048 //#define TCP_MSS 2048
//#define TCP_WND 512 //#define TCP_WND 512
#define TCP_LISTEN_BACKLOG 1
/*------------------------------------------------------------------------------ /*------------------------------------------------------------------------------
---------------------------------- Timers -------------------------------------- ---------------------------------- Timers --------------------------------------
------------------------------------------------------------------------------*/ ------------------------------------------------------------------------------*/

10
netcon/NetconEthernetTap.cpp
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@ -542,7 +542,6 @@ err_t NetconEthernetTap::nc_accept(void *arg, struct tcp_pcb *newpcb, err_t err)
tap->tcp_connections.push_back(new_tcp_conn); tap->tcp_connections.push_back(new_tcp_conn);
int send_fd = tap->_phy.getDescriptor(conn->rpcSock); int send_fd = tap->_phy.getDescriptor(conn->rpcSock);
int n = write(larg_fd, "z", 1); // accept() in library waits for this byte int n = write(larg_fd, "z", 1); // accept() in library waits for this byte
if(n > 0) { if(n > 0) {
if(sock_fd_write(send_fd, fds[1]) > 0) { if(sock_fd_write(send_fd, fds[1]) > 0) {
@ -905,10 +904,14 @@ void NetconEthernetTap::handle_listen(PhySocket *sock, void **uptr, struct liste
return; return;
} }
// TODO: Implement liste_with_backlog struct tcp_pcb* listening_pcb;
if(listen_rpc->backlog > 0)
listening_pcb = lwipstack->tcp_listen_with_backlog(conn->pcb, listen_rpc->backlog);
else
listening_pcb = lwipstack->tcp_listen(conn->pcb);
// FIXME: Correct return values from this method, most is handled in intercept lib // FIXME: Correct return values from this method, most is handled in intercept lib
struct tcp_pcb* listening_pcb = lwipstack->tcp_listen(conn->pcb);
if(listening_pcb != NULL) { if(listening_pcb != NULL) {
conn->pcb = listening_pcb; conn->pcb = listening_pcb;
lwipstack->tcp_accept(listening_pcb, nc_accept); lwipstack->tcp_accept(listening_pcb, nc_accept);
@ -1092,7 +1095,6 @@ void NetconEthernetTap::handle_write(TcpConnection *conn)
} }
if(conn->idx < max) { if(conn->idx < max) {
int sndbuf = conn->pcb->snd_buf; // How much we are currently allowed to write to the connection int sndbuf = conn->pcb->snd_buf; // How much we are currently allowed to write to the connection
/* PCB send buffer is full,turn off readability notifications for the /* PCB send buffer is full,turn off readability notifications for the
corresponding PhySocket until nc_sent() is called and confirms that there is corresponding PhySocket until nc_sent() is called and confirms that there is
now space on the buffer */ now space on the buffer */