Remove unnecessary dev_clear() callbacks

[libsigrok.git] / src / backend.c

diff --git a/src/backend.c b/src/backend.c
index 613de246a0298ae76e4e829aa01d8a3b9aab8e8d..e829912e914d071dcebf3aa148b01f0bc6c52f1b 100644 (file)
--- a/src/backend.c
+++ b/src/backend.c
@@ -18,9 +18,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <glib.h>
-#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
-#include "libsigrok.h"
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
 
 /** @cond PRIVATE */
@@ -119,6 +122,87 @@
  * @{
  */
 
+static void print_versions(void)
+{
+       GString *s;
+#if defined(HAVE_LIBUSB_1_0) && !defined(__FreeBSD__)
+       const struct libusb_version *lv;
+#endif
+
+       s = g_string_sized_new(200);
+
+       sr_dbg("libsigrok %s/%s (rt: %s/%s).",
+               SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING,
+               sr_package_version_string_get(), sr_lib_version_string_get());
+
+       g_string_append(s, "Libs: ");
+       g_string_append_printf(s, "glib %d.%d.%d (rt: %d.%d.%d/%d:%d), ",
+               GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION,
+               glib_major_version, glib_minor_version, glib_micro_version,
+               glib_binary_age, glib_interface_age);
+       g_string_append_printf(s, "libzip %s, ", CONF_LIBZIP_VERSION);
+#ifdef HAVE_LIBSERIALPORT
+       g_string_append_printf(s, "libserialport %s/%s (rt: %s/%s), ",
+               SP_PACKAGE_VERSION_STRING, SP_LIB_VERSION_STRING,
+               sp_get_package_version_string(), sp_get_lib_version_string());
+#endif
+#ifdef HAVE_LIBUSB_1_0
+#ifdef __FreeBSD__
+       g_string_append_printf(s, "libusb-1.0 %s, ", CONF_LIBUSB_1_0_VERSION);
+#else
+       lv = libusb_get_version();
+       g_string_append_printf(s, "libusb-1.0 %d.%d.%d.%d%s, ",
+               lv->major, lv->minor, lv->micro, lv->nano, lv->rc);
+#endif
+#endif
+#ifdef HAVE_LIBFTDI
+       g_string_append_printf(s, "libftdi %s, ", CONF_LIBFTDI_VERSION);
+#endif
+#ifdef HAVE_LIBGPIB
+       g_string_append_printf(s, "libgpib %s, ", CONF_LIBGPIB_VERSION);
+#endif
+#ifdef HAVE_LIBREVISA
+       g_string_append_printf(s, "librevisa %s, ", CONF_LIBREVISA_VERSION);
+#endif
+       s->str[s->len - 2] = '.';
+       s->str[s->len - 1] = '\0';
+       sr_dbg("%s", s->str);
+
+       s = g_string_truncate(s, 0);
+       g_string_append_printf(s, "Host: %s, ", CONF_HOST);
+#ifdef WORDS_BIGENDIAN
+       g_string_append_printf(s, "big-endian.");
+#else
+       g_string_append_printf(s, "little-endian.");
+#endif
+       sr_dbg("%s", s->str);
+
+       s = g_string_truncate(s, 0);
+       g_string_append_printf(s, "SCPI backends: ");
+
+       g_string_append_printf(s, "TCP, ");
+#if HAVE_RPC
+       g_string_append_printf(s, "RPC, ");
+#endif
+#ifdef HAVE_LIBSERIALPORT
+       g_string_append_printf(s, "serial, ");
+#endif
+#ifdef HAVE_LIBREVISA
+       g_string_append_printf(s, "VISA, ");
+#endif
+#ifdef HAVE_LIBGPIB
+       g_string_append_printf(s, "GPIB, ");
+#endif
+#ifdef HAVE_LIBUSB_1_0
+       g_string_append_printf(s, "USBTMC, ");
+#endif
+       s->str[s->len - 2] = '.';
+       s->str[s->len - 1] = '\0';
+       sr_dbg("%s", s->str);
+
+       g_string_free(s, TRUE);
+}
+
 /**
  * Sanity-check all libsigrok drivers.
  *
@@ -173,11 +257,14 @@ static int sanity_check_all_drivers(const struct sr_context *ctx)
                        sr_err("No dev_list in driver %d ('%s').", i, d);
                        errors++;
                }
+               /* Note: dev_clear() is optional. */
                /* Note: config_get() is optional. */
                if (!drivers[i]->config_set) {
                        sr_err("No config_set in driver %d ('%s').", i, d);
                        errors++;
                }
+               /* Note: config_channel_set() is optional. */
+               /* Note: config_commit() is optional. */
                if (!drivers[i]->config_list) {
                        sr_err("No config_list in driver %d ('%s').", i, d);
                        errors++;
@@ -383,6 +470,11 @@ SR_API int sr_init(struct sr_context **ctx)
        struct sr_context *context;
        struct sr_dev_driver ***lists, **drivers;
        GArray *array;
+#ifdef _WIN32
+       WSADATA wsadata;
+#endif
+
+       print_versions();
 
        if (!ctx) {
                sr_err("%s(): libsigrok context was NULL.", __func__);
@@ -419,6 +511,14 @@ SR_API int sr_init(struct sr_context **ctx)
                return ret;
        }
 
+#ifdef _WIN32
+       if ((ret = WSAStartup(MAKEWORD(2, 2), &wsadata)) != 0) {
+               sr_err("WSAStartup failed with error code %d.", ret);
+               ret = SR_ERR;
+               goto done;
+       }
+#endif
+
 #ifdef HAVE_LIBUSB_1_0
        ret = libusb_init(&context->libusb_ctx);
        if (LIBUSB_SUCCESS != ret) {
@@ -427,12 +527,13 @@ SR_API int sr_init(struct sr_context **ctx)
                goto done;
        }
 #endif
+       sr_resource_set_hooks(context, NULL, NULL, NULL, NULL);
 
        *ctx = context;
        context = NULL;
        ret = SR_OK;
 
-#ifdef HAVE_LIBUSB_1_0
+#if defined(HAVE_LIBUSB_1_0) || defined(_WIN32)
 done:
 #endif
        g_free(context);
@@ -458,6 +559,10 @@ SR_API int sr_exit(struct sr_context *ctx)
 
        sr_hw_cleanup_all(ctx);
 
+#ifdef _WIN32
+       WSACleanup();
+#endif
+
 #ifdef HAVE_LIBUSB_1_0
        libusb_exit(ctx->libusb_ctx);
 #endif