Got rid of the name-pipe from the generator to the receiver.
[rsync/rsync.git] / main.c
diff --git a/main.c b/main.c
index 2b207be..9be5f5d 100644 (file)
--- a/main.c
+++ b/main.c
@@ -66,6 +66,7 @@ extern char *shell_cmd;
 extern char *batch_name;
 
 int local_server = 0;
+struct file_list *the_file_list;
 
 /* There's probably never more than at most 2 outstanding child processes,
  * but set it higher, just in case. */
@@ -429,23 +430,24 @@ static char *get_local_name(struct file_list *flist,char *name)
 
 
 /* This is only called by the sender. */
-static void read_final_goodbye(int f_in, int f_out, int flist_count)
+static void read_final_goodbye(int f_in, int f_out)
 {
        int i;
 
        if (protocol_version < 29)
                i = read_int(f_in);
        else {
-               while ((i = read_int(f_in)) == flist_count
+               while ((i = read_int(f_in)) == the_file_list->count
                    && read_shortint(f_in) == ITEM_IS_NEW) {
                        /* Forward the keep-alive (no-op) to the receiver. */
-                       write_int(f_out, flist_count);
+                       write_int(f_out, the_file_list->count);
                        write_shortint(f_out, ITEM_IS_NEW);
                }
        }
 
        if (i != -1) {
-               rprintf(FERROR, "Invalid packet from generator at end of run.\n");
+               rprintf(FERROR, "Invalid packet at end of run [%s]\n",
+                       who_am_i());
                exit_cleanup(RERR_PROTOCOL);
        }
 }
@@ -500,6 +502,7 @@ static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
        if (!flist || flist->count == 0) {
                exit_cleanup(0);
        }
+       the_file_list = flist;
 
        io_start_buffering_in();
        io_start_buffering_out();
@@ -508,7 +511,7 @@ static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
        io_flush(FULL_FLUSH);
        report(f_out);
        if (protocol_version >= 24)
-               read_final_goodbye(f_in, f_out, flist->count);
+               read_final_goodbye(f_in, f_out);
        io_flush(FULL_FLUSH);
        exit_cleanup(0);
 }
@@ -518,19 +521,16 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 {
        int pid;
        int status = 0;
-       int error_pipe[2], name_pipe[2];
-       BOOL need_name_pipe = (basis_dir[0] || partial_dir || fuzzy_basis
-                           || (inplace && make_backups)) && !dry_run;
+       int error_pipe[2];
 
        /* The receiving side mustn't obey this, or an existing symlink that
         * points to an identical file won't be replaced by the referent. */
        copy_links = 0;
 
        if (preserve_hard_links)
-               init_hard_links(flist);
+               init_hard_links();
 
-       if (fd_pair(error_pipe) < 0
-           || (need_name_pipe && fd_pair(name_pipe) < 0)) {
+       if (fd_pair(error_pipe) < 0) {
                rsyserr(FERROR, errno, "pipe failed in do_recv");
                exit_cleanup(RERR_IPC);
        }
@@ -544,11 +544,6 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 
        if (pid == 0) {
                close(error_pipe[0]);
-               if (need_name_pipe) {
-                       close(name_pipe[1]);
-                       set_blocking(name_pipe[0]);
-               } else
-                       name_pipe[0] = -1;
                if (f_in != f_out)
                        close(f_out);
 
@@ -558,7 +553,7 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
                /* set place to send errors */
                set_msg_fd_out(error_pipe[1]);
 
-               recv_files(f_in, flist, local_name, name_pipe[0]);
+               recv_files(f_in, flist, local_name);
                io_flush(FULL_FLUSH);
                report(f_in);
 
@@ -574,7 +569,8 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
                        while (read_int(f_in) == flist->count
                            && read_shortint(f_in) == ITEM_IS_NEW) {}
 
-                       rprintf(FERROR, "Invalid packet from server at end of run.\n");
+                       rprintf(FERROR, "Invalid packet at end of run [%s]\n",
+                               who_am_i());
                        exit_cleanup(RERR_PROTOCOL);
                }
 
@@ -591,11 +587,6 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
                stop_write_batch();
 
        close(error_pipe[1]);
-       if (need_name_pipe) {
-               close(name_pipe[0]);
-               set_nonblocking(name_pipe[1]);
-       } else
-               name_pipe[1] = -1;
        if (f_in != f_out)
                close(f_in);
 
@@ -603,7 +594,7 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 
        set_msg_fd_in(error_pipe[0]);
 
-       generate_files(f_out, flist, local_name, name_pipe[1]);
+       generate_files(f_out, flist, local_name);
 
        report(-1);
        io_flush(FULL_FLUSH);
@@ -676,6 +667,7 @@ static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
                rprintf(FERROR,"server_recv: recv_file_list error\n");
                exit_cleanup(RERR_FILESELECT);
        }
+       the_file_list = flist;
 
        if (argc > 0) {
                if (strcmp(dir,".")) {
@@ -766,17 +758,17 @@ int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
 
                if (write_batch)
                        start_write_batch(f_out);
-               if (!read_batch) /* don't write to pipe */
-                       flist = send_file_list(f_out,argc,argv);
+               flist = send_file_list(f_out, argc, argv);
                set_msg_fd_in(-1);
                if (verbose > 3)
                        rprintf(FINFO,"file list sent\n");
+               the_file_list = flist;
 
                io_flush(NORMAL_FLUSH);
                send_files(flist,f_out,f_in);
                io_flush(FULL_FLUSH);
                if (protocol_version >= 24)
-                       read_final_goodbye(f_in, f_out, flist->count);
+                       read_final_goodbye(f_in, f_out);
                if (pid != -1) {
                        if (verbose > 3)
                                rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
@@ -810,6 +802,7 @@ int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
                        "the --recursive option?\n");
                exit_cleanup(0);
        }
+       the_file_list = flist;
 
        local_name = get_local_name(flist,argv[0]);
 
@@ -866,8 +859,10 @@ static int start_client(int argc, char *argv[])
                return rc;
 
        if (!read_batch) { /* for read_batch, NO source is specified */
+               argc--;
                shell_path = check_for_hostspec(argv[0], &shell_machine, &rsync_port);
                if (shell_path) { /* source is remote */
+                       argv++;
                        if (filesfrom_host && *filesfrom_host
                            && strcmp(filesfrom_host, shell_machine) != 0) {
                                rprintf(FERROR,
@@ -878,22 +873,21 @@ static int start_client(int argc, char *argv[])
                                if (!shell_cmd) {
                                        return start_socket_client(shell_machine,
                                                                   shell_path,
-                                                                  argc-1, argv+1);
+                                                                  argc, argv);
                                }
                                daemon_over_rsh = 1;
                        }
 
+                       am_sender = 0;
+               } else { /* source is local, check dest arg */
+                       am_sender = 1;
+
                        if (argc < 1) { /* destination required */
                                usage(FERROR);
                                exit_cleanup(RERR_SYNTAX);
                        }
 
-                       am_sender = 0;
-                       argv++;
-               } else { /* source is local, check dest arg */
-                       am_sender = 1;
-
-                       shell_path = check_for_hostspec(argv[argc-1], &shell_machine, &rsync_port);
+                       shell_path = check_for_hostspec(argv[argc], &shell_machine, &rsync_port);
                        if (shell_path && filesfrom_host && *filesfrom_host
                            && strcmp(filesfrom_host, shell_machine) != 0) {
                                rprintf(FERROR,
@@ -908,22 +902,16 @@ static int start_client(int argc, char *argv[])
                                        exit_cleanup(RERR_SYNTAX);
                                }
                                shell_machine = NULL;
-                               shell_path = argv[argc-1];
+                               shell_path = argv[argc];
                        } else if (rsync_port) {
                                if (!shell_cmd) {
                                        return start_socket_client(shell_machine,
                                                                   shell_path,
-                                                                  argc-1, argv);
+                                                                  argc, argv);
                                }
                                daemon_over_rsh = 1;
                        }
-
-                       if (argc < 2) {
-                               usage(FERROR);
-                               exit_cleanup(RERR_SYNTAX);
-                       }
                }
-               argc--;
        } else {  /* read_batch */
                local_server = 1;
                shell_path = argv[argc-1];