Unix domain: More fixes. With these changes, apps/examples/ustream works

apps/examples/ustream/ustream_client.c

@@ -103,7 +103,7 @@ int client_main(int argc, char *argv[])
   strncpy(myaddr.sun_path, CONFIG_EXAMPLES_USTREAM_ADDR, addrlen);
   myaddr.sun_path[addrlen] = '\0';
 
-  printf("client: Connecting...\n");
+  printf("client: Connecting to %s...\n", CONFIG_EXAMPLES_USTREAM_ADDR);
   addrlen += sizeof(sa_family_t) + 1;
   ret = connect( sockfd, (struct sockaddr *)&myaddr, addrlen);
   if (ret < 0)
@@ -176,6 +176,7 @@ int client_main(int argc, char *argv[])
       goto errout_with_socket;
     }
 
+  printf("client: Terminating\n");
   close(sockfd);
   free(outbuf);
   free(inbuf);

apps/examples/ustream/ustream_server.c

@@ -113,6 +113,8 @@ int server_main(int argc, char *argv[])
 
   /* Listen for connections on the bound socket */
 
+  printf("server: Accepting connections on %s ...\n", CONFIG_EXAMPLES_USTREAM_ADDR);
+
   if (listen(listensd, 5) < 0)
     {
       printf("server: listen failure %d\n", errno);
@@ -121,7 +123,6 @@ int server_main(int argc, char *argv[])
 
   /* Accept only one connection */
 
-  printf("server: Accepting connections on %s\n", CONFIG_EXAMPLES_USTREAM_ADDR);
   acceptsd = accept(listensd, (struct sockaddr*)&myaddr, &addrlen);
   if (acceptsd < 0)
     {
@@ -187,14 +188,7 @@ int server_main(int argc, char *argv[])
     }
 
   printf("server: Sent %d bytes\n", nbytessent);
-
-  /* If this platform only does abortive disconnects, then wait a bit to get the
-   * client side a change to receive the data.
-   */
-
-  printf("server: Wait before closing\n");
-  sleep(60);
-
+  printf("server: Terminating\n");
   close(listensd);
   close(acceptsd);
   free(buffer);

nuttx/arch/sim/src/nuttx-names.dat

@@ -26,10 +26,14 @@ nanosleep      NXnanosleep
 pthread_create NXpthread_create
 read           NXread
 realloc        NXrealloc
+recv           NXrecv
+recvfrom       NXrecvfrom
 rewinddir      NXrewinddir
 rmdir          NXrmdir
 seekdir        NXseekdir
 select         NXselect
+send           NXsend
+sendto         NXsendto
 sleep          NXsleep
 socket         NXsocket
 stat           NXstat

nuttx/net/local/local_connect.c

@@ -176,7 +176,7 @@ int inline local_stream_connect(FAR struct local_conn_s *client,
 
   /* Yes.. open the read-only FIFO */
 
-  ret = local_open_client_tx(client);
+  ret = local_open_client_rx(client);
   if (ret < 0)
     {
       ndbg("ERROR: Failed to open write-only FIFOs for %s: %d\n",
@@ -268,21 +268,27 @@ int local_connect(FAR struct local_conn_s *client,
           {
             if (strncmp(conn->lc_path, unaddr->sun_path, UNIX_PATH_MAX-1) == 0)
               {
+                int ret = OK;
+
                 /* Bind the address and protocol */
 
                 client->lc_proto = conn->lc_proto;
                 strncpy(client->lc_path, unaddr->sun_path, UNIX_PATH_MAX-1);
                 client->lc_path[UNIX_PATH_MAX-1] = '\0';
 
+                /* The client is now bound to an address */
+
+                client->lc_state = LOCAL_STATE_BOUND;
+
                 /* We have to do more for the SOCK_STREAM family */
 
                 if (conn->lc_proto == SOCK_STREAM)
                   {
-                    return local_stream_connect(client, conn, state);
+                    ret = local_stream_connect(client, conn, state);
                   }
 
                 net_unlock(state);
-                return OK;
+                return ret;
               }
           }
           break;

nuttx/net/local/local_fifo.c

@@ -237,8 +237,8 @@ static inline int local_rx_open(FAR struct local_conn_s *conn,
 static inline int local_tx_open(FAR struct local_conn_s *conn,
                                 FAR const char *path)
 {
-  conn->lc_infd = open(path, O_WRONLY);
-  if (conn->lc_infd < 0)
+  conn->lc_outfd = open(path, O_WRONLY);
+  if (conn->lc_outfd < 0)
     {
       int errcode = errno;
       DEBUGASSERT(errcode > 0);

nuttx/net/local/local_recvfrom.c

@@ -179,7 +179,7 @@ ssize_t psock_local_recvfrom(FAR struct socket *psock, FAR void *buf,
        * the size of the next packet.
        */
 
-     ret = local_sync(conn->lc_infd);
+      ret = local_sync(conn->lc_infd);
       if (ret < 0)
         {
           ndbg("ERROR: Failed to get packet length: %d\n", ret);

nuttx/net/local/local_recvutils.c

@@ -76,16 +76,16 @@
 
 int local_fifo_read(int fd, FAR uint8_t *buf, size_t *len)
 {
-  ssize_t total;
+  ssize_t remaining;
   ssize_t nread;
   int ret;
 
   DEBUGASSERT(buf && len);
 
-  total = 0;
-  while (len > 0)
+  remaining = *len;
+  while (remaining > 0)
     {
-      nread = read(fd, buf, *len);
+      nread = read(fd, buf, remaining);
       if (nread < 0)
         {
           int errcode = errno;
@@ -112,15 +112,15 @@ int local_fifo_read(int fd, FAR uint8_t *buf, size_t *len)
       else
         {
           DEBUGASSERT(nread <= len);
-          len -= nread;
-          buf += nread;
+          remaining -= nread;
+          buf       += nread;
         }
     }
 
   ret = OK;
 
 errout:
-  *len = total;
+  *len -= remaining;
   return ret;
 }
 

nuttx/net/local/local_send.c

@@ -76,6 +76,7 @@ ssize_t psock_local_send(FAR struct socket *psock, FAR const void *buf,
                          size_t len, int flags)
 {
   FAR struct local_conn_s *peer;
+  int ret;
 
   DEBUGASSERT(psock && psock->s_conn && buf);
   peer = (FAR struct local_conn_s *)psock->s_conn;
@@ -84,14 +85,20 @@ ssize_t psock_local_send(FAR struct socket *psock, FAR const void *buf,
    * outgoing FIFO for write-only access.
    */
 
-  if (peer->lc_type != LOCAL_STATE_CONNECTED ||
+  if (peer->lc_state != LOCAL_STATE_CONNECTED ||
       peer->lc_outfd < 0)
     {
       ndbg("ERROR: not connected\n");
       return -ENOTCONN;
     }
 
-  return local_send_packet(peer->lc_outfd, (FAR uint8_t *)buf, len);
+  /* Send the packet */
+
+  ret = local_send_packet(peer->lc_outfd, (FAR uint8_t *)buf, len);
+
+  /* If the send was successful, then the full packet will have been sent */
+
+  return ret < 0 ? ret : len;
 }
 
 #endif /* CONFIG_NET && CONFIG_NET_LOCAL */

nuttx/net/socket/send.c

@@ -38,7 +38,7 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP)
+#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_LOCAL)
 
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -243,4 +243,4 @@ ssize_t send(int sockfd, FAR const void *buf, size_t len, int flags)
   return psock_send(sockfd_socket(sockfd), buf, len, flags);
 }
 
-#endif /* CONFIG_NET && CONFIG_NET_TCP */
+#endif /* CONFIG_NET_TCP || CONFIG_NET_LOCAL */