X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=misc%2Fnetwork_servers%2Fv3_nbd%2Fraw.cc;h=04228aebab5710bdb12a6dcf90a3735ecdfcf196;hp=668850faafc7734ee21458b1fe7f77717ad1d6c8;hb=2fc55bdc014038e625b3628fdaf0b60d7ebede77;hpb=fd7801687cc7266183a92f8b4e9b28c98cf39193

diff --git a/misc/network_servers/v3_nbd/raw.cc b/misc/network_servers/v3_nbd/raw.cc
index 668850f..04228ae 100644
--- a/misc/network_servers/v3_nbd/raw.cc
+++ b/misc/network_servers/v3_nbd/raw.cc
@@ -27,22 +27,49 @@ raw_disk::raw_disk(string & filename) : v3_disk(filename){
 
 
 off_t raw_disk::get_capacity() {
-    
-    return 0;
-}
+        struct stat f_stats;
+
+    stat(this->filename.c_str(), &f_stats);
 
+    return f_stats.st_size;
+}
 
 
 unsigned int raw_disk::read(unsigned char * buf, off_t offset, int length) {
-
-    return 0;
+    int total_bytes = length;
+    int bytes_read = 0;
+    
+    fseeko(this->f, offset, SEEK_SET);
+
+    while (bytes_read < total_bytes) {
+	int tmp_bytes = fread(buf, 1, length - bytes_read, this->f);
+	
+	if (tmp_bytes == 0) {
+	    break;
+	}
+	bytes_read += tmp_bytes;
+    }
+
+    return bytes_read;
 }
 
 
-
 unsigned int raw_disk::write(unsigned char * buf, off_t offset, int length) {
-    
-    return 0;
+    int total_bytes = length;
+    int bytes_written = 0;
+
+    fseeko(this->f, offset, SEEK_SET);
+
+    while (bytes_written < total_bytes) {
+	int tmp_bytes = fwrite(buf, 1, length - bytes_written, this->f);
+
+	if (tmp_bytes == 0) {
+	    break;
+	}
+	bytes_written += tmp_bytes;
+    }
+
+    return bytes_written;
 }