Removing vestigial support for protocol versions prior to 15.
[rsync/rsync.git] / sender.c
index 37927b4..93cf871 100644 (file)
--- a/sender.c
+++ b/sender.c
@@ -20,7 +20,6 @@
 #include "rsync.h"
 
 extern int verbose;
-extern int remote_version;
 extern int csum_length;
 extern struct stats stats;
 extern int io_error;
@@ -28,9 +27,18 @@ extern int dry_run;
 extern int am_server;
 
 
-/*
-  receive the checksums for a buffer
-  */
+/**
+ * @file
+ *
+ * The sender gets checksums from the generator, calculates deltas,
+ * and transmits them to the receiver.  The sender process runs on the
+ * machine holding the source files.
+ **/
+
+
+/**
+ * Receive the checksums for a buffer
+ **/
 static struct sum_struct *receive_sums(int f)
 {
        struct sum_struct *s;
@@ -46,8 +54,8 @@ static struct sum_struct *receive_sums(int f)
        s->sums = NULL;
 
        if (verbose > 3)
-               rprintf(FINFO,"count=%d n=%d rem=%d\n",
-                       s->count,s->n,s->remainder);
+               rprintf(FINFO,"count=%ld n=%ld rem=%ld\n",
+                       (long) s->count, (long) s->n, (long) s->remainder);
 
        if (s->count == 0) 
                return(s);
@@ -55,14 +63,14 @@ static struct sum_struct *receive_sums(int f)
        s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
        if (!s->sums) out_of_memory("receive_sums");
 
-       for (i=0;i<s->count;i++) {
+       for (i=0; i < (int) s->count;i++) {
                s->sums[i].sum1 = read_int(f);
                read_buf(f,s->sums[i].sum2,csum_length);
 
                s->sums[i].offset = offset;
                s->sums[i].i = i;
 
-               if (i == s->count-1 && s->remainder != 0) {
+               if (i == (int) s->count-1 && s->remainder != 0) {
                        s->sums[i].len = s->remainder;
                } else {
                        s->sums[i].len = s->n;
@@ -83,9 +91,9 @@ 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;
@@ -109,7 +117,7 @@ void send_files(struct file_list *flist,int f_out,int f_in)
 
                i = read_int(f_in);
                if (i == -1) {
-                       if (phase==0 && remote_version >= 13) {
+                       if (phase==0) {
                                phase++;
                                csum_length = SUM_LENGTH;
                                write_int(f_out,-1);
@@ -149,8 +157,8 @@ void send_files(struct file_list *flist,int f_out,int f_in)
                        rprintf(FINFO,"send_files(%d,%s)\n",i,fname);
          
                if (dry_run) {  
-                       if (!am_server) {
-                               log_transfer(file, fname+offset);
+                       if (!am_server && verbose) {    /* log transfer */
+                               rprintf(FINFO, "%s\n", fname+offset);
                        }
                        write_int(f_out,i);
                        continue;
@@ -159,61 +167,60 @@ 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;
                }
+
+               if (write_batch)
+                   write_batch_csum_info(&i,flist->count,s);
          
                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;
-               }
+                       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);
 
-               if (!read_batch) { /* dw */
-                   write_int(f_out,i);
+                       write_int(f_out,i);
          
-                   if (write_batch)
-                       write_batch_delta_file((char *)&i,sizeof(i));
+                       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);
+                       write_int(f_out,s->count);
+                       write_int(f_out,s->n);
+                       write_int(f_out,s->remainder);
                }
          
                if (verbose > 2)
                        if (!read_batch)
                            rprintf(FINFO,"calling match_sums %s\n",fname);
          
-               if (!am_server) {
-                       log_transfer(file, fname+offset);
+               if (!am_server && verbose) {    /* log transfer */
+                       rprintf(FINFO, "%s\n", fname+offset);
                }
 
                set_compression(fname);