Added in-stream deflate compression for file reconstruction instructions.

[rsync/rsync.git] / main.c

diff --git a/main.c b/main.c
index 3efde6d..7cef434 100644 (file)
--- a/main.c
+++ b/main.c
@@ -93,7 +93,6 @@ static void server_options(char **args,int *argc)
   int ac = *argc;
   static char argstr[50];
   static char bsize[30];
-  static char slength[30];
   int i, x;
 
   args[ac++] = "--server";
@@ -137,6 +136,8 @@ static void server_options(char **args,int *argc)
     argstr[x++] = 'x';
   if (sparse_files)
     argstr[x++] = 'S';
+  if (do_compression)
+    argstr[x++] = 'z';
   argstr[x] = 0;
 
   if (x != 1) args[ac++] = argstr;
@@ -146,11 +147,6 @@ static void server_options(char **args,int *argc)
     args[ac++] = bsize;
   }    
 
-  if (csum_length != SUM_LENGTH) {
-    sprintf(slength,"--csum-length=%d",csum_length);
-    args[ac++] = slength;
-  }    
-  
   if (delete_mode)
     args[ac++] = "--delete";
 
@@ -306,12 +302,19 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 {
   int pid;
   int status=0;
+  int recv_pipe[2];
 
   if (preserve_hard_links)
     init_hard_links(flist);
 
+  if (pipe(recv_pipe) < 0) {
+    fprintf(FERROR,"pipe failed in do_recv\n");
+    exit(1);
+  }
+  
+
   if ((pid=fork()) == 0) {
-    recv_files(f_in,flist,local_name);
+    recv_files(f_in,flist,local_name,recv_pipe[1]);
     if (preserve_hard_links)
       do_hard_links(flist);
     if (verbose > 2)
@@ -319,7 +322,7 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
     exit_cleanup(0);
   }
 
-  generate_files(f_out,flist,local_name);
+  generate_files(f_out,flist,local_name,recv_pipe[0]);
 
   waitpid(pid, &status, 0);
 
@@ -398,6 +401,7 @@ static void usage(FILE *f)
   fprintf(f,"-C, --cvs-exclude        auto ignore files in the same way CVS does\n");
   fprintf(f,"    --delete             delete files that don't exist on the sending side\n");
   fprintf(f,"-I, --ignore-times       don't exclude files that match length and time\n");
+  fprintf(f,"-z, --compress           compress file data\n");
   fprintf(f,"    --exclude FILE       exclude file FILE\n");
   fprintf(f,"    --exclude-from FILE  exclude files listed in FILE\n");
   fprintf(f,"    --suffix SUFFIX      override backup suffix\n");  
@@ -410,9 +414,9 @@ static void usage(FILE *f)
 }
 
 enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
-      OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH,OPT_CSUM_LENGTH};
+      OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH};
 
-static char *short_options = "oblHpguDCtcahvrIxnSe:B:";
+static char *short_options = "oblHpguDCtcahvrIxnSe:B:z";
 
 static struct option long_options[] = {
   {"version",     0,     0,    OPT_VERSION},
@@ -422,7 +426,6 @@ static struct option long_options[] = {
   {"exclude",     1,     0,    OPT_EXCLUDE},
   {"exclude-from",1,     0,    OPT_EXCLUDE_FROM},
   {"rsync-path",  1,     0,    OPT_RSYNC_PATH},
-  {"csum-length", 1,     0,    OPT_CSUM_LENGTH},
   {"one-file-system",0,  0,    'x'},
   {"ignore-times",0,     0,    'I'},
   {"help",        0,     0,    'h'},
@@ -445,6 +448,7 @@ static struct option long_options[] = {
   {"rsh",         1,     0,    'e'},
   {"suffix",      1,     0,    OPT_SUFFIX},
   {"block-size",  1,     0,    'B'},
+  {"compress",   0,     0,    'z'},
   {0,0,0,0}};
 
 int main(int argc,char *argv[])
@@ -463,8 +467,6 @@ int main(int argc,char *argv[])
 
     starttime = time(NULL);
 
-    checksum_init();
-
     while ((opt = getopt_long(argc, argv, 
                              short_options, long_options, &option_index)) 
           != -1) {
@@ -483,11 +485,6 @@ int main(int argc,char *argv[])
          rsync_path = optarg;
          break;
 
-       case OPT_CSUM_LENGTH:
-         csum_length = atoi(optarg);
-         csum_length = MIN(csum_length,SUM_LENGTH);
-         break;
-
        case 'I':
          ignore_times = 1;
          break;
@@ -620,8 +617,12 @@ int main(int argc,char *argv[])
          block_size = atoi(optarg);
          break;
 
+        case 'z':
+         do_compression = 1;
+         break;
+
        default:
-         fprintf(FERROR,"bad option -%c\n",opt);
+         /* fprintf(FERROR,"bad option -%c\n",opt); */
          exit_cleanup(1);
        }
     }