Catch network exceptions

stm-server.cpp

@@ -135,6 +135,7 @@ void serve( int host_fd )
   uint64_t last_remote_num = network.get_remote_state_num();
 
   while ( 1 ) {
+    try {
       int active_fds = poll( pollfds, 2, network.tick() );
       if ( active_fds < 0 ) {
 	perror( "poll" );
@@ -205,5 +206,8 @@ void serve( int host_fd )
 	   & (POLLERR | POLLHUP | POLLNVAL) ) {
 	break;
       }
+    } catch ( Network::NetworkException e ) {
+      fprintf( stderr, "%s: %s\r\n", e.function.c_str(), strerror( e.the_errno ) );
+    }
   }
 }

stm.cpp

@@ -139,6 +139,7 @@ void client( const char *ip, int port, const char *key )
   uint64_t last_remote_num = network.get_remote_state_num();
 
   while ( 1 ) {
+    try {
       int active_fds = poll( pollfds, 3, network.tick() );
       if ( active_fds < 0 ) {
 	perror( "poll" );
@@ -204,5 +205,8 @@ void client( const char *ip, int port, const char *key )
 	   & (POLLERR | POLLHUP | POLLNVAL) ) {
 	break;
       }
+    } catch ( Network::NetworkException e ) {
+      fprintf( stderr, "%s: %s\r\n", e.function.c_str(), strerror( e.the_errno ) );
+    }
   }
 }