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[rsync.git] / sender.c
index d2ab1b3417928500f9ff8e505875a4c559b3bd5f..ee34bc9e90e0a5b261a80ffa7333879a64042fda 100644 (file)
--- a/sender.c
+++ b/sender.c
@@ -83,9 +83,9 @@ static struct sum_struct *receive_sums(int f)
 
 void send_files(struct file_list *flist,int f_out,int f_in)
 { 
-       int fd;
+       int fd = -1;
        struct sum_struct *s;
-       struct map_struct *buf;
+       struct map_struct *buf = NULL;
        STRUCT_STAT st;
        char fname[MAXPATHLEN];  
        int i;
@@ -93,6 +93,13 @@ void send_files(struct file_list *flist,int f_out,int f_in)
        int phase = 0;
        extern struct stats stats;              
        struct stats initial_stats;
+       extern int write_batch;   /* dw */
+       extern int read_batch;    /* dw */
+       int checksums_match;   /* dw */
+       int buff_len;  /* dw */
+       char buff[CHUNK_SIZE];    /* dw */
+       int j;   /* dw */
+       int done;   /* dw */
 
        if (verbose > 2)
                rprintf(FINFO,"send_files starting\n");
@@ -152,61 +159,113 @@ void send_files(struct file_list *flist,int f_out,int f_in)
                initial_stats = stats;
 
                s = receive_sums(f_in);
+               if (write_batch) /* dw */
+                   write_batch_csum_info(&i,flist->count,s);
                if (!s) {
                        io_error = 1;
                        rprintf(FERROR,"receive_sums failed\n");
                        return;
                }
          
-               fd = do_open(fname, O_RDONLY, 0);
-               if (fd == -1) {
-                       io_error = 1;
-                       rprintf(FERROR,"send_files failed to open %s: %s\n",
-                               fname,strerror(errno));
-                       free_sums(s);
-                       continue;
-               }
+               if (!read_batch) {
+                       fd = do_open(fname, O_RDONLY, 0);
+                       if (fd == -1) {
+                               io_error = 1;
+                               rprintf(FERROR,"send_files failed to open %s: %s\n",
+                                       fname,strerror(errno));
+                               free_sums(s);
+                               continue;
+                       }
          
-               /* map the local file */
-               if (do_fstat(fd,&st) != 0) {
-                       io_error = 1;
-                       rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
-                       free_sums(s);
-                       close(fd);
-                       return;
-               }
+                       /* map the local file */
+                       if (do_fstat(fd,&st) != 0) {
+                               io_error = 1;
+                               rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
+                               free_sums(s);
+                               close(fd);
+                               return;
+                       }
          
-               if (st.st_size > 0) {
-                       buf = map_file(fd,st.st_size);
-               } else {
-                       buf = NULL;
-               }
+                       if (st.st_size > 0) {
+                               buf = map_file(fd,st.st_size);
+                       } else {
+                               buf = NULL;
+                       }
          
-               if (verbose > 2)
-                       rprintf(FINFO,"send_files mapped %s of size %.0f\n",
-                               fname,(double)st.st_size);
+                       if (verbose > 2)
+                               rprintf(FINFO,"send_files mapped %s of size %.0f\n",
+                                       fname,(double)st.st_size);
 
-               write_int(f_out,i);
+                       write_int(f_out,i);
          
-               write_int(f_out,s->count);
-               write_int(f_out,s->n);
-               write_int(f_out,s->remainder);
+                       if (write_batch)
+                               write_batch_delta_file((char *)&i,sizeof(i));
+
+                       write_int(f_out,s->count);
+                       write_int(f_out,s->n);
+                       write_int(f_out,s->remainder);
+               }
          
                if (verbose > 2)
-                       rprintf(FINFO,"calling match_sums %s\n",fname);
+                       if (!read_batch)
+                           rprintf(FINFO,"calling match_sums %s\n",fname);
          
                if (!am_server) {
                        log_transfer(file, fname+offset);
                }
 
                set_compression(fname);
-         
-               match_sums(f_out,s,buf,st.st_size);
 
-               log_send(file, &initial_stats);
-                 
-               if (buf) unmap_file(buf);
-               close(fd);
+                if (read_batch) { /* dw */
+                   /* read checksums originally computed on sender side */
+                   read_batch_csum_info(i, s, &checksums_match);
+                   if (checksums_match) {
+                       read_batch_delta_file( (char *) &j, sizeof(int) );
+                       if (j != i) {    /* if flist index entries don't match*/ 
+                          rprintf(FINFO,"index mismatch in send_files\n");
+                          rprintf(FINFO,"read index = %d flist ndx = %d\n",j,i);
+                          close_batch_delta_file();
+                          close_batch_csums_file();
+                          exit_cleanup(1);
+                       }
+                       else {
+                         write_int(f_out,j);
+                         write_int(f_out,s->count);
+                         write_int(f_out,s->n);
+                         write_int(f_out,s->remainder);
+                         done=0;
+                         while (!done) {
+                            read_batch_delta_file( (char *) &buff_len, sizeof(int) );
+                            write_int(f_out,buff_len);
+                            if (buff_len == 0) {
+                               done = 1;
+                            }
+                            else {
+                               if (buff_len > 0) {
+                                  read_batch_delta_file(buff, buff_len);
+                                  write_buf(f_out,buff,buff_len);
+                               }
+                            }
+                         }  /* end while  */
+                         read_batch_delta_file( buff, MD4_SUM_LENGTH);
+                         write_buf(f_out, buff, MD4_SUM_LENGTH);
+
+                       }  /* j=i */
+                   } else {  /* not checksum match */
+                      rprintf (FINFO,"readbatch & checksums don't match\n");
+                      rprintf (FINFO,"filename=%s is being skipped\n",
+                              fname);
+                      continue;
+                   }
+                } else  {
+                   match_sums(f_out,s,buf,st.st_size);
+                   log_send(file, &initial_stats);
+                }
+
+               if (!read_batch) { /* dw */
+                   if (buf) unmap_file(buf);
+                   close(fd);
+               }
          
                free_sums(s);
          
@@ -220,6 +279,11 @@ void send_files(struct file_list *flist,int f_out,int f_in)
        match_report();
 
        write_int(f_out,-1);
+       if (write_batch || read_batch) { /* dw */
+           close_batch_csums_file();
+           close_batch_delta_file();
+       }
+
 }