X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=src%2Fcommand_client.cpp;h=c0e863ca44a5990b5c5dd81296505c14055031c2;hp=a603634226a72cd3d2cc33408c5d4ee00eba34d4;hb=8104c8f70605ee24230e5988d7bf68e3fce7465a;hpb=91730468439e21dcf8d275d0f70d803c20ccaa7c

diff --git a/src/command_client.cpp b/src/command_client.cpp
index a603634..c0e863c 100644
--- a/src/command_client.cpp
+++ b/src/command_client.cpp
@@ -26,13 +26,61 @@
 #include <boost/archive/xml_iarchive.hpp>
 #include <boost/serialization/serialization.hpp>
 
+#include <boost/bind.hpp>
+
 #include "command_client.hxx"
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 using namespace std;
 
 namespace libt2n
 {
 
+command_client::command_client(client_connection& _c)
+    : c(_c)
+{
+    // for reconnects
+    c.add_callback(new_connection,bind(&command_client::read_hello, boost::ref(*this)));
+
+    read_hello();
+}
+
+void command_client::read_hello()
+{
+    // TODO: fix timeout
+    string resultpacket;
+    while(!c.get_packet(resultpacket))
+        c.fill_buffer();
+
+    istringstream hello(resultpacket);
+
+    char chk[5];
+    hello.read(chk,4);
+    chk[4]=0;
+    if (hello.fail() || hello.eof() || string("T2Nv") != chk)
+        throw t2n_version_mismatch("illegal hello received (T2N)");
+
+    int prot_version;
+    hello >> prot_version;
+    if (hello.fail() || hello.eof() || prot_version != PROTOCOL_VERSION)
+        throw t2n_version_mismatch("not compatible with the server protocol version");
+
+    hello.read(chk,1);
+    if (hello.fail() || hello.eof() || chk[0] != ';')
+        throw t2n_version_mismatch("illegal hello received (1. ;)");
+
+    hello.read(chk,4);
+    if (hello.fail() || hello.eof() || *((int*)chk) != 1)
+        throw t2n_version_mismatch("host byte order not matching");
+
+    hello.read(chk,1);
+    if (hello.fail() || hello.eof() || chk[0] != ';')
+        throw t2n_version_mismatch("illegal hello received (2. ;)");
+}
+
 void command_client::send_command(command* cmd, result_container &res)
 {
     ostringstream ofs;