X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/76f79ba748adeacdb966d01fa09d75f0dfb69f3b..4762db4fc90e0bd0c04c9ba7c50123d378427fd0:/sender.c diff --git a/sender.c b/sender.c index d9fc5e6c..a590ca3d 100644 --- 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 +27,33 @@ 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. + **/ + + +void read_sum_head(int f, struct sum_struct *sum) +{ + extern int remote_version; + + sum->count = read_int(f); + sum->blength = read_int(f); + if (remote_version < 27) + { + sum->s2length = csum_length; + } else { + sum->s2length = read_int(f); + } + sum->remainder = read_int(f); +} + +/** + * Receive the checksums for a buffer + **/ static struct sum_struct *receive_sums(int f) { struct sum_struct *s; @@ -40,14 +63,14 @@ static struct sum_struct *receive_sums(int f) s = (struct sum_struct *)malloc(sizeof(*s)); if (!s) out_of_memory("receive_sums"); - s->count = read_int(f); - s->n = read_int(f); - s->remainder = read_int(f); + read_sum_head(f, s); + 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->blength, + (long) s->remainder); if (s->count == 0) return(s); @@ -55,17 +78,17 @@ 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;icount;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); + read_buf(f,s->sums[i].sum2,s->s2length); 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; + s->sums[i].len = s->blength; } offset += s->sums[i].len; @@ -109,7 +132,7 @@ 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 +172,8 @@ 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; @@ -202,17 +225,15 @@ void send_files(struct file_list *flist,int f_out,int f_in) 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_sum_head(f_out, s); } 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); @@ -231,9 +252,7 @@ void send_files(struct file_list *flist,int f_out,int f_in) } else { write_int(f_out,j); - write_int(f_out,s->count); - write_int(f_out,s->n); - write_int(f_out,s->remainder); + write_sum_head(f_out, s); done=0; while (!done) { read_batch_delta_file( (char *) &buff_len, sizeof(int) );