From ee62ca14800eb27e51038a78a0dab4f71b6be31f Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 24 Apr 2015 17:13:31 +0200
Subject: [FUSE] Integrate into cmake build process

---
 src/fuse/helper.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/fuse/helper.c

(limited to 'src/fuse/helper.c')

diff --git a/src/fuse/helper.c b/src/fuse/helper.c
new file mode 100644
index 0000000..7b1101d
--- /dev/null
+++ b/src/fuse/helper.c
@@ -0,0 +1,96 @@
+/*
+ * Helper functions for imageFuse
+ * by Stephan Schwaer, January 2014
+ */
+
+#include "helper.h"
+void printLog( log_info *info )
+{
+	FILE *logFile;
+
+	// Create logfile
+
+	logFile = fopen( "log.txt", "w" );
+	if ( logFile == NULL ) {
+		printf( "Error creating/opening log.txt\n" );
+		return;
+	}
+
+	//rewind(file);
+	fprintf( logFile, "ImageSize: %"PRIu64" MiB\n", ( uint64_t )( info->imageSize/ ( 1024ll*1024ll ) ) );
+	fprintf( logFile, "ReceivedMiB: %"PRIu64" MiB\n", ( uint64_t )( info->receivedBytes/ ( 1024ll*1024ll ) ) );
+	fprintf( logFile, "imageBlockCount: %"PRIu64"\n", info->imageBlockCount );
+	fprintf( logFile, "Blocksize: 4KiB\n\n" );
+	fprintf( logFile, "Block access count:\n" );
+
+	uint64_t i = 0;
+	for ( ; i < info->imageBlockCount; i++ ) {
+		if ( i % 50 == 0 ) {
+			fprintf( logFile, "\n" );
+		}
+		fprintf( logFile, "%i ", ( int ) info->blockRequestCount[i] );
+	}
+	fprintf( logFile, "\n" );
+	fclose( logFile );
+}
+
+bool sock_printable( struct sockaddr *addr, socklen_t addrLen, char *output, int len )
+{
+	char host[100], port[10];
+	int ret = getnameinfo( addr, addrLen, host, 100, port, 10, NI_NUMERICHOST | NI_NUMERICSERV );
+	if ( ret == 0 ) {
+		snprintf( output, len, "[%s]:%s", host, port );
+	}
+	return ret == 0;
+}
+
+// TODO: Pretty much same as in server/*
+int connect_to_server( char *server_address, int port )
+{
+	const int on = 1;
+	int sock = -1;
+	struct addrinfo hints, *res, *ptr;
+	char portStr[6];
+
+	// Set hints for local addresses.
+	memset( &hints, 0, sizeof( hints ) );
+	hints.ai_flags = AI_PASSIVE;
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	snprintf( portStr, sizeof portStr, "%d", port );
+	if ( getaddrinfo( server_address, portStr, &hints, &res ) != 0 || res == NULL ) {
+		return false;
+	}
+	// Attempt to bind to all of the addresses as long as there's room in the poll list
+	for ( ptr = res; ptr != NULL; ptr = ptr->ai_next ) {
+		char bla[100];
+		if ( !sock_printable( ( struct sockaddr * ) ptr->ai_addr, ptr->ai_addrlen, bla, 100 ) ) {
+			snprintf( bla, 100, "[invalid]" );
+		}
+		printf( "Trying to connect to %s ", bla );
+		sock = socket( ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol );
+		if ( sock < 0 ) {
+			printf( "...cannot create socket, errno=%d\n", errno );
+			sock = -1;
+			continue;
+		}
+		setsockopt( sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof( on ) );
+		if ( ptr->ai_family == PF_INET6 ) {
+			setsockopt( sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof( on ) );
+		}
+		if ( connect( sock, ptr->ai_addr, ptr->ai_addrlen ) < 0 ) {
+			// if ( bind( sock, ptr->ai_addr, ptr->ai_addrlen ) == -1 ) {
+			printf( "...socket Error, errno=%d\n", errno );
+			close( sock );
+			sock = -1;
+			continue;
+		} else {
+			printf( "... connecting successful!\n" );
+			break;
+		}
+	}
+
+	freeaddrinfo( res );
+	return sock;
+}
+
-- 
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