Dpi_connect_socket: Removed obsolete code lingering from UDS (2009)

Detected by: p37sitdu
Recover code for Unix domain sockets is not necessary because we use INET
sockets now. Ref, changeset: 7faa2c7a544f

1 files changed, 4 insertions, 13 deletions

diff --git a/src/IO/dpi.c b/src/IO/dpi.c
index 6f46b2ba..4b5a5aa2 100644
--- a/src/IO/dpi.c
+++ b/src/IO/dpi.c
@@ -614,10 +614,10 @@ static int Dpi_get_server_port(const char *server_name)
  * We have to ask 'dpid' (dpi daemon) for the port of the target dpi server.
  * Once we have it, then the proper file descriptor is returned (-1 on error).
  */
-static int Dpi_connect_socket(const char *server_name, int retry)
+static int Dpi_connect_socket(const char *server_name)
 {
    struct sockaddr_in sin;
-   int sock_fd, err, dpi_port, ret=-1;
+   int sock_fd, dpi_port, ret = -1;
    char *cmd = NULL;
 
    /* Query dpid for the port number for this server */
@@ -636,16 +636,7 @@ static int Dpi_connect_socket(const char *server_name, int retry)
    if ((sock_fd = Dpi_make_socket_fd()) == -1) {
       perror("[dpi::socket]");
    } else if (connect(sock_fd, (void*)&sin, sizeof(sin)) == -1) {
-      err = errno;
-      sock_fd = -1;
       MSG("[dpi::connect] errno:%d %s\n", errno, dStrerror(errno));
-      if (retry) {
-         switch (err) {
-            case ECONNREFUSED: case EBADF: case ENOTSOCK: case EADDRNOTAVAIL:
-               sock_fd = Dpi_connect_socket(server_name, FALSE);
-               break;
-         }
-      }
 
    /* send authentication Key (the server closes sock_fd on error) */
    } else if (!(cmd = a_Dpip_build_cmd("cmd=%s msg=%s", "auth", SharedKey))) {
@@ -677,7 +668,7 @@ void a_Dpi_ccc(int Op, int Branch, int Dir, ChainLink *Info,
          switch (Op) {
          case OpStart:
             if ((st = Dpi_blocking_start_dpid()) == 0) {
-               SockFD = Dpi_connect_socket(Data1, TRUE);
+               SockFD = Dpi_connect_socket(Data1);
                if (SockFD != -1) {
                   int *fd = dNew(int, 1);
                   *fd = SockFD;
@@ -798,7 +789,7 @@ char *a_Dpi_send_blocking_cmd(const char *server_name, const char *cmd)
       return ret;
    }
 
-   if ((sock_fd = Dpi_connect_socket(server_name, TRUE)) == -1) {
+   if ((sock_fd = Dpi_connect_socket(server_name)) == -1) {
       MSG_ERR("[a_Dpi_send_blocking_cmd] Can't connect to server.\n");
    } else if (Dpi_blocking_write(sock_fd, cmd, strlen(cmd)) == -1) {
       MSG_ERR("[a_Dpi_send_blocking_cmd] Can't send message.\n");