*/
#include "rsync.h"
-static int total_written = 0;
-static int total_read = 0;
+static int64 total_written;
+static int64 total_read;
extern int verbose;
extern int sparse_files;
-int write_total(void)
+int64 write_total(void)
{
return total_written;
}
-int read_total(void)
+int64 read_total(void)
{
return total_read;
}
}
-static char *read_buffer = NULL;
-static char *read_buffer_p = NULL;
-static int read_buffer_len = 0;
-static int read_buffer_size = 0;
+static char *read_buffer;
+static char *read_buffer_p;
+static int read_buffer_len;
+static int read_buffer_size;
/* This function was added to overcome a deadlock problem when using
{
int n;
+ if (f == -1) return;
+
if (read_buffer_len == 0) {
read_buffer_p = read_buffer;
}
if ((n=num_waiting(f)) <= 0)
return;
+ /* things could deteriorate if we read in really small chunks */
+ if (n < 10) n = 1024;
+
if (read_buffer_p != read_buffer) {
memmove(read_buffer,read_buffer_p,read_buffer_len);
read_buffer_p = read_buffer;
{
int ret;
int total=0;
+
+ if (read_buffer_len < N)
+ read_check(buffer_f_in);
while (total < N)
{
- if (read_buffer_len > 0) {
+ if (read_buffer_len > 0 && buffer_f_in == fd) {
ret = MIN(read_buffer_len,N-total);
memcpy(buffer+total,read_buffer_p,ret);
read_buffer_p += ret;
return IVAL(b,0);
}
+int64 read_longint(int f)
+{
+ extern int remote_version;
+ int64 ret;
+ char b[8];
+ ret = read_int(f);
+
+ if (ret != -1) return ret;
+
+#ifndef HAVE_LONGLONG
+ fprintf(FERROR,"Integer overflow - attempted 64 bit offset\n");
+ exit_cleanup(1);
+#else
+ if (remote_version >= 16) {
+ if ((ret=readfd(f,b,8)) != 8) {
+ if (verbose > 1)
+ fprintf(FERROR,"(%d) Error reading %d bytes : %s\n",
+ getpid(),8,ret==-1?strerror(errno):"EOF");
+ exit_cleanup(1);
+ }
+ total_read += 8;
+ ret = IVAL(b,0) | (((int64)IVAL(b,4))<<32);
+ }
+#endif
+
+ return ret;
+}
+
void read_buf(int f,char *buf,int len)
{
int ret;
}
-static char last_byte=0;
-static int last_sparse = 0;
+static char last_byte;
+static int last_sparse;
int sparse_end(int f)
{
return len;
}
-int read_write(int fd_in,int fd_out,int size)
-{
- static char *buf=NULL;
- int bufsize = sparse_files?SPARSE_WRITE_SIZE:WRITE_SIZE;
- int total=0;
-
- if (!buf) {
- buf = (char *)malloc(bufsize);
- if (!buf) out_of_memory("read_write");
- }
-
- while (total < size) {
- int n = MIN(size-total,bufsize);
- read_buf(fd_in,buf,n);
- if (write_sparse(fd_out,buf,n) != n)
- return total;
- total += n;
- }
- return total;
-}
-
static int writefd(int fd,char *buf,int len)
{
int total = 0;
- fd_set fds;
+ fd_set w_fds, r_fds;
+ int fd_count, count, got_select=0;
struct timeval tv;
if (buffer_f_in == -1)
if (ret == -1 && !(errno == EWOULDBLOCK || errno == EAGAIN))
return -1;
+ if (ret == -1 && got_select) {
+ /* hmmm, we got a write select on the fd and then failed to write.
+ Why doesn't that mean that the fd is dead? It doesn't on some
+ systems it seems (eg. IRIX) */
+ u_sleep(1000);
+#if 0
+ fprintf(FERROR,"write exception\n");
+ exit_cleanup(1);
+#endif
+ }
+
+ got_select = 0;
+
+
if (ret == -1) {
read_check(buffer_f_in);
- FD_ZERO(&fds);
- FD_SET(fd,&fds);
+ fd_count = fd+1;
+ FD_ZERO(&w_fds);
+ FD_ZERO(&r_fds);
+ FD_SET(fd,&w_fds);
+ if (buffer_f_in != -1) {
+ FD_SET(buffer_f_in,&r_fds);
+ if (buffer_f_in > fd)
+ fd_count = buffer_f_in+1;
+ }
+
tv.tv_sec = BLOCKING_TIMEOUT;
tv.tv_usec = 0;
- select(fd+1,NULL,&fds,NULL,&tv);
+ count = select(fd_count,buffer_f_in == -1? NULL: &r_fds,
+ &w_fds,NULL,&tv);
+ if (count == -1 && errno != EINTR) {
+ if (verbose > 1)
+ fprintf(FERROR,"select error: %s\n", strerror(errno));
+ exit_cleanup(1);
+ }
+
+ if (count == 0) continue;
+
+ if (FD_ISSET(fd, &w_fds)) {
+ got_select = 1;
+ }
} else {
total += ret;
}
total_written += 4;
}
+void write_longint(int f, int64 x)
+{
+ extern int remote_version;
+ char b[8];
+ int ret;
+
+ if (remote_version < 16 || x <= 0x7FFFFFFF) {
+ write_int(f, (int)x);
+ return;
+ }
+
+ write_int(f, -1);
+ SIVAL(b,0,(x&0xFFFFFFFF));
+ SIVAL(b,4,((x>>32)&0xFFFFFFFF));
+
+ if ((ret=writefd(f,b,8)) != 8) {
+ fprintf(FERROR,"write_longint failed : %s\n",
+ ret==-1?strerror(errno):"EOF");
+ exit_cleanup(1);
+ }
+ total_written += 8;
+}
+
void write_buf(int f,char *buf,int len)
{
int ret;