Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

src/core/comm/SocketComm.cc

@@ -0,0 +1,52 @@
+#include <string>
+
+#include "SocketComm.hpp"
+
+namespace fail {
+
+bool SocketComm::sendMsg(int sockfd, google::protobuf::Message& msg)
+{
+#ifdef USE_SIZE_PREFIX
+    int size = htonl(msg.ByteSize());
+    if (write(sockfd, &size, sizeof(size)) != sizeof(size)) {
+        return false;
+    }
+    std::string buf;
+    msg.SerializeToString(&buf);
+    if (write(sockfd, buf.c_str(), buf.size()) != (ssize_t) buf.size()) {
+        return false;
+    }
+#else
+    char c = 0;
+    if (!msg.SerializeToFileDescriptor(sockfd) || write(sockfd, &c, 1) != 1) {
+        return false;
+    }
+#endif
+    return true;
+}
+  
+bool SocketComm::rcvMsg(int sockfd, google::protobuf::Message& msg)
+{
+#ifdef USE_SIZE_PREFIX
+    int size;
+    // FIXME: read() may need to be called multiple times until all data was read
+    if (read(sockfd, &size, sizeof(size)) != sizeof(size)) {
+        return false;
+    }
+    size = ntohl(size);
+    char *buf = new char[size];
+    // FIXME: read() may need to be called multiple times until all data was read
+    if (read(sockfd, buf, size) != size) {
+        delete [] buf;
+        return false;
+    }
+    std::string st(buf, size);
+    delete [] buf;
+    msg.ParseFromString(st);
+    return true;
+#else
+    return msg.ParseFromFileDescriptor(sockfd);
+#endif
+}
+
+} // end-of-namespace: fail