Add API methods to allow setting the bind_address test parameter.

This is the same functionality as the -B iperf3 command-line option.

Fixes #197.

src/iperf_api.c

@@ -229,6 +229,12 @@ iperf_get_test_unit_format(struct iperf_test *ipt)
     return ipt->settings->unit_format;
 }
 
+char *
+iperf_get_test_bind_address(struct iperf_test *ipt)
+{
+    return ipt->bind_address;
+}
+
 /************** Setter routines for some fields inside iperf_test *************/
 
 void
@@ -376,6 +382,12 @@ iperf_set_test_unit_format(struct iperf_test *ipt, char unit_format)
     ipt->settings->unit_format = unit_format;
 }
 
+void
+iperf_set_test_bind_address(struct iperf_test *ipt, char *bind_address)
+{
+    ipt->bind_address = strdup(bind_address);
+}
+
 /********************** Get/set test protocol structure ***********************/
 
 struct protocol *

src/iperf_api.h

@@ -72,6 +72,7 @@ int	iperf_get_test_json_output( struct iperf_test* ipt );
 char*	iperf_get_test_json_output_string ( struct iperf_test* ipt );
 int	iperf_get_test_zerocopy( struct iperf_test* ipt );
 int	iperf_get_test_get_server_output( struct iperf_test* ipt );
+char*	iperf_get_test_bind_address ( struct iperf_test* ipt );
 
 /* Setter routines for some fields inside iperf_test. */
 void	iperf_set_verbose( struct iperf_test* ipt, int verbose );
@@ -94,6 +95,7 @@ void	iperf_set_test_json_output( struct iperf_test* ipt, int json_output );
 int	iperf_has_zerocopy( void );
 void	iperf_set_test_zerocopy( struct iperf_test* ipt, int zerocopy );
 void	iperf_set_test_get_server_output( struct iperf_test* ipt, int get_server_output );
+void	iperf_set_test_bind_address( struct iperf_test* ipt, char *bind_address );
 
 /**
  * exchange_parameters - handles the param_Exchange part for client

src/libiperf.3

@@ -24,6 +24,7 @@ Initialization / termination:
 Setting test parameters:
 .nf
     void iperf_set_test_role( struct iperf_test *pt, char role );
+    void iperf_set_test_bind_address( struct iperf_test *t, char *bind_address );
     void iperf_set_test_server_hostname( struct iperf_test *t, char *server_hos
     void iperf_set_test_server_port( struct iperf_test *t, int server_port );
     void iperf_set_test_duration( struct iperf_test *t, int duration );