slirp: Factor out internal state structure

[qemu.git] / slirp / socket.c

diff --git a/slirp/socket.c b/slirp/socket.c
index f7b212fba8aad0963e369491dd7a1b3386037ea7..d8fbe89a749209e01fd5592fb0ad06e92a8e3ab2 100644 (file)
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -41,7 +41,7 @@ solookup(struct socket *head, struct in_addr laddr, u_int lport,
  * insque() it into the correct linked-list
  */
 struct socket *
-socreate(void)
+socreate(Slirp *slirp)
 {
   struct socket *so;
 
@@ -50,6 +50,7 @@ socreate(void)
     memset(so, 0, sizeof(struct socket));
     so->so_state = SS_NOFDREF;
     so->s = -1;
+    so->slirp = slirp;
   }
   return(so);
 }
@@ -60,15 +61,17 @@ socreate(void)
 void
 sofree(struct socket *so)
 {
+  Slirp *slirp = so->slirp;
+
   if (so->so_emu==EMU_RSH && so->extra) {
        sofree(so->extra);
        so->extra=NULL;
   }
-  if (so == tcp_last_so)
-    tcp_last_so = &tcb;
-  else if (so == udp_last_so)
-    udp_last_so = &udb;
-
+  if (so == slirp->tcp_last_so) {
+      slirp->tcp_last_so = &slirp->tcb;
+  } else if (so == slirp->udp_last_so) {
+      slirp->udp_last_so = &slirp->udb;
+  }
   m_free(so->so_m);
 
   if(so->so_next && so->so_prev)
@@ -473,7 +476,10 @@ sorecvfrom(struct socket *so)
           int n;
 #endif
 
-         if (!(m = m_get())) return;
+         m = m_get(so->slirp);
+         if (!m) {
+             return;
+         }
          m->m_data += IF_MAXLINKHDR;
 
          /*
@@ -533,6 +539,7 @@ sorecvfrom(struct socket *so)
 int
 sosendto(struct socket *so, struct mbuf *m)
 {
+       Slirp *slirp = so->slirp;
        int ret;
        struct sockaddr_in addr;
 
@@ -541,10 +548,10 @@ sosendto(struct socket *so, struct mbuf *m)
        DEBUG_ARG("m = %lx", (long)m);
 
         addr.sin_family = AF_INET;
-       if ((so->so_faddr.s_addr & vnetwork_mask.s_addr) ==
-           vnetwork_addr.s_addr) {
+       if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) ==
+           slirp->vnetwork_addr.s_addr) {
          /* It's an alias */
-         if (so->so_faddr.s_addr == vnameserver_addr.s_addr) {
+         if (so->so_faddr.s_addr == slirp->vnameserver_addr.s_addr) {
            addr.sin_addr = dns_addr;
          } else {
            addr.sin_addr = loopback_addr;
@@ -576,7 +583,8 @@ sosendto(struct socket *so, struct mbuf *m)
  * Listen for incoming TCP connections
  */
 struct socket *
-tcp_listen(u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags)
+tcp_listen(Slirp *slirp, u_int32_t haddr, u_int hport, u_int32_t laddr,
+           u_int lport, int flags)
 {
        struct sockaddr_in addr;
        struct socket *so;
@@ -590,7 +598,8 @@ tcp_listen(u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags
        DEBUG_ARG("lport = %d", lport);
        DEBUG_ARG("flags = %x", flags);
 
-       if ((so = socreate()) == NULL) {
+       so = socreate(slirp);
+       if (!so) {
          return NULL;
        }
 
@@ -599,7 +608,7 @@ tcp_listen(u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags
                free(so);
                return NULL;
        }
-       insque(so,&tcb);
+       insque(so, &slirp->tcb);
 
        /*
         * SS_FACCEPTONCE sockets must time out.
@@ -637,7 +646,7 @@ tcp_listen(u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags
        getsockname(s,(struct sockaddr *)&addr,&addrlen);
        so->so_fport = addr.sin_port;
        if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
-          so->so_faddr = vhost_addr;
+          so->so_faddr = slirp->vhost_addr;
        else
           so->so_faddr = addr.sin_addr;