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[Xen-devel] [PATCH 15/29] xl: split out network related code



Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/xl/Makefile     |   2 +-
 tools/xl/xl_cmdimpl.c | 140 ----------------------------------------
 tools/xl/xl_nic.c     | 172 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 173 insertions(+), 141 deletions(-)
 create mode 100644 tools/xl/xl_nic.c

diff --git a/tools/xl/Makefile b/tools/xl/Makefile
index 331ae21293..c2f2ca38f4 100644
--- a/tools/xl/Makefile
+++ b/tools/xl/Makefile
@@ -17,7 +17,7 @@ CFLAGS_XL += -Wshadow
 
 XL_OBJS = xl.o xl_cmdimpl.o xl_cmdtable.o xl_sxp.o xl_utils.o
 XL_OBJS += xl_tmem.o xl_parse.o xl_cpupool.o xl_flask.o
-XL_OBJS += xl_vtpm.o xl_block.o
+XL_OBJS += xl_vtpm.o xl_block.o xl_nic.o
 
 $(XL_OBJS): CFLAGS += $(CFLAGS_libxentoollog)
 $(XL_OBJS): CFLAGS += $(CFLAGS_XL)
diff --git a/tools/xl/xl_cmdimpl.c b/tools/xl/xl_cmdimpl.c
index 56524fe707..eab7865bef 100644
--- a/tools/xl/xl_cmdimpl.c
+++ b/tools/xl/xl_cmdimpl.c
@@ -364,31 +364,6 @@ out:
     return ret;
 }
 
-void set_default_nic_values(libxl_device_nic *nic);
-void set_default_nic_values(libxl_device_nic *nic)
-{
-
-    if (default_vifscript) {
-        free(nic->script);
-        nic->script = strdup(default_vifscript);
-    }
-
-    if (default_bridge) {
-        free(nic->bridge);
-        nic->bridge = strdup(default_bridge);
-    }
-
-    if (default_gatewaydev) {
-        free(nic->gatewaydev);
-        nic->gatewaydev = strdup(default_gatewaydev);
-    }
-
-    if (default_vifbackend) {
-        free(nic->backend_domname);
-        nic->backend_domname = strdup(default_vifbackend);
-    }
-}
-
 static void reload_domain_config(uint32_t domid,
                                  libxl_domain_config *d_config)
 {
@@ -5017,121 +4992,6 @@ int main_top(int argc, char **argv)
     return system("xentop");
 }
 
-int main_networkattach(int argc, char **argv)
-{
-    uint32_t domid;
-    int opt;
-    libxl_device_nic nic;
-    XLU_Config *config = 0;
-
-    SWITCH_FOREACH_OPT(opt, "", NULL, "network-attach", 1) {
-        /* No options */
-    }
-
-    domid = xfind_domain(argv[optind]);
-
-    config= xlu_cfg_init(stderr, "command line");
-    if (!config) {
-        fprintf(stderr, "Failed to allocate for configuration\n");
-        return 1;
-    }
-
-    libxl_device_nic_init(&nic);
-    set_default_nic_values(&nic);
-
-    for (argv += optind+1, argc -= optind+1; argc > 0; ++argv, --argc) {
-        if (parse_nic_config(&nic, &config, *argv))
-            return 1;
-    }
-
-    if (dryrun_only) {
-        char *json = libxl_device_nic_to_json(ctx, &nic);
-        printf("vif: %s\n", json);
-        free(json);
-        libxl_device_nic_dispose(&nic);
-        if (ferror(stdout) || fflush(stdout)) { perror("stdout"); exit(-1); }
-        return 0;
-    }
-
-    if (libxl_device_nic_add(ctx, domid, &nic, 0)) {
-        fprintf(stderr, "libxl_device_nic_add failed.\n");
-        return 1;
-    }
-    libxl_device_nic_dispose(&nic);
-    xlu_cfg_destroy(config);
-    return 0;
-}
-
-int main_networklist(int argc, char **argv)
-{
-    int opt;
-    libxl_device_nic *nics;
-    libxl_nicinfo nicinfo;
-    int nb, i;
-
-    SWITCH_FOREACH_OPT(opt, "", NULL, "network-list", 1) {
-        /* No options */
-    }
-
-    /*      Idx  BE   MAC   Hdl  Sta  evch txr/rxr  BE-path */
-    printf("%-3s %-2s %-17s %-6s %-5s %-6s %5s/%-5s %-30s\n",
-           "Idx", "BE", "Mac Addr.", "handle", "state", "evt-ch", "tx-", 
"rx-ring-ref", "BE-path");
-    for (argv += optind, argc -= optind; argc > 0; --argc, ++argv) {
-        uint32_t domid = xfind_domain(*argv);
-        nics = libxl_device_nic_list(ctx, domid, &nb);
-        if (!nics) {
-            continue;
-        }
-        for (i = 0; i < nb; ++i) {
-            if (!libxl_device_nic_getinfo(ctx, domid, &nics[i], &nicinfo)) {
-                /* Idx BE */
-                printf("%-3d %-2d ", nicinfo.devid, nicinfo.backend_id);
-                /* MAC */
-                printf(LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nics[i].mac));
-                /* Hdl  Sta  evch txr/rxr  BE-path */
-                printf("%6d %5d %6d %5d/%-11d %-30s\n",
-                       nicinfo.devid, nicinfo.state, nicinfo.evtch,
-                       nicinfo.rref_tx, nicinfo.rref_rx, nicinfo.backend);
-                libxl_nicinfo_dispose(&nicinfo);
-            }
-            libxl_device_nic_dispose(&nics[i]);
-        }
-        free(nics);
-    }
-    return 0;
-}
-
-int main_networkdetach(int argc, char **argv)
-{
-    uint32_t domid;
-    int opt;
-    libxl_device_nic nic;
-
-    SWITCH_FOREACH_OPT(opt, "", NULL, "network-detach", 2) {
-        /* No options */
-    }
-
-    domid = xfind_domain(argv[optind]);
-
-    if (!strchr(argv[optind+1], ':')) {
-        if (libxl_devid_to_device_nic(ctx, domid, atoi(argv[optind+1]), &nic)) 
{
-            fprintf(stderr, "Unknown device %s.\n", argv[optind+1]);
-            return 1;
-        }
-    } else {
-        if (libxl_mac_to_device_nic(ctx, domid, argv[optind+1], &nic)) {
-            fprintf(stderr, "Unknown device %s.\n", argv[optind+1]);
-            return 1;
-        }
-    }
-    if (libxl_device_nic_remove(ctx, domid, &nic, 0)) {
-        fprintf(stderr, "libxl_device_nic_del failed.\n");
-        return 1;
-    }
-    libxl_device_nic_dispose(&nic);
-    return 0;
-}
-
 int main_channellist(int argc, char **argv)
 {
     int opt;
diff --git a/tools/xl/xl_nic.c b/tools/xl/xl_nic.c
new file mode 100644
index 0000000000..281a62c828
--- /dev/null
+++ b/tools/xl/xl_nic.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2009-2017 Citrix Ltd and other contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only. with the special
+ * exception on linking described in file LICENSE.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include <stdlib.h>
+
+#include <libxl.h>
+#include <libxl_utils.h>
+#include <libxlutil.h>
+
+#include "xl.h"
+#include "xl_utils.h"
+#include "xl_parse.h"
+
+void set_default_nic_values(libxl_device_nic *nic);
+void set_default_nic_values(libxl_device_nic *nic)
+{
+
+    if (default_vifscript) {
+        free(nic->script);
+        nic->script = strdup(default_vifscript);
+    }
+
+    if (default_bridge) {
+        free(nic->bridge);
+        nic->bridge = strdup(default_bridge);
+    }
+
+    if (default_gatewaydev) {
+        free(nic->gatewaydev);
+        nic->gatewaydev = strdup(default_gatewaydev);
+    }
+
+    if (default_vifbackend) {
+        free(nic->backend_domname);
+        nic->backend_domname = strdup(default_vifbackend);
+    }
+}
+
+int main_networkattach(int argc, char **argv)
+{
+    uint32_t domid;
+    int opt;
+    libxl_device_nic nic;
+    XLU_Config *config = 0;
+
+    SWITCH_FOREACH_OPT(opt, "", NULL, "network-attach", 1) {
+        /* No options */
+    }
+
+    domid = xfind_domain(argv[optind]);
+
+    config= xlu_cfg_init(stderr, "command line");
+    if (!config) {
+        fprintf(stderr, "Failed to allocate for configuration\n");
+        return 1;
+    }
+
+    libxl_device_nic_init(&nic);
+    set_default_nic_values(&nic);
+
+    for (argv += optind+1, argc -= optind+1; argc > 0; ++argv, --argc) {
+        if (parse_nic_config(&nic, &config, *argv))
+            return 1;
+    }
+
+    if (dryrun_only) {
+        char *json = libxl_device_nic_to_json(ctx, &nic);
+        printf("vif: %s\n", json);
+        free(json);
+        libxl_device_nic_dispose(&nic);
+        if (ferror(stdout) || fflush(stdout)) { perror("stdout"); exit(-1); }
+        return 0;
+    }
+
+    if (libxl_device_nic_add(ctx, domid, &nic, 0)) {
+        fprintf(stderr, "libxl_device_nic_add failed.\n");
+        return 1;
+    }
+    libxl_device_nic_dispose(&nic);
+    xlu_cfg_destroy(config);
+    return 0;
+}
+
+int main_networklist(int argc, char **argv)
+{
+    int opt;
+    libxl_device_nic *nics;
+    libxl_nicinfo nicinfo;
+    int nb, i;
+
+    SWITCH_FOREACH_OPT(opt, "", NULL, "network-list", 1) {
+        /* No options */
+    }
+
+    /*      Idx  BE   MAC   Hdl  Sta  evch txr/rxr  BE-path */
+    printf("%-3s %-2s %-17s %-6s %-5s %-6s %5s/%-5s %-30s\n",
+           "Idx", "BE", "Mac Addr.", "handle", "state", "evt-ch", "tx-", 
"rx-ring-ref", "BE-path");
+    for (argv += optind, argc -= optind; argc > 0; --argc, ++argv) {
+        uint32_t domid = xfind_domain(*argv);
+        nics = libxl_device_nic_list(ctx, domid, &nb);
+        if (!nics) {
+            continue;
+        }
+        for (i = 0; i < nb; ++i) {
+            if (!libxl_device_nic_getinfo(ctx, domid, &nics[i], &nicinfo)) {
+                /* Idx BE */
+                printf("%-3d %-2d ", nicinfo.devid, nicinfo.backend_id);
+                /* MAC */
+                printf(LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nics[i].mac));
+                /* Hdl  Sta  evch txr/rxr  BE-path */
+                printf("%6d %5d %6d %5d/%-11d %-30s\n",
+                       nicinfo.devid, nicinfo.state, nicinfo.evtch,
+                       nicinfo.rref_tx, nicinfo.rref_rx, nicinfo.backend);
+                libxl_nicinfo_dispose(&nicinfo);
+            }
+            libxl_device_nic_dispose(&nics[i]);
+        }
+        free(nics);
+    }
+    return 0;
+}
+
+int main_networkdetach(int argc, char **argv)
+{
+    uint32_t domid;
+    int opt;
+    libxl_device_nic nic;
+
+    SWITCH_FOREACH_OPT(opt, "", NULL, "network-detach", 2) {
+        /* No options */
+    }
+
+    domid = xfind_domain(argv[optind]);
+
+    if (!strchr(argv[optind+1], ':')) {
+        if (libxl_devid_to_device_nic(ctx, domid, atoi(argv[optind+1]), &nic)) 
{
+            fprintf(stderr, "Unknown device %s.\n", argv[optind+1]);
+            return 1;
+        }
+    } else {
+        if (libxl_mac_to_device_nic(ctx, domid, argv[optind+1], &nic)) {
+            fprintf(stderr, "Unknown device %s.\n", argv[optind+1]);
+            return 1;
+        }
+    }
+    if (libxl_device_nic_remove(ctx, domid, &nic, 0)) {
+        fprintf(stderr, "libxl_device_nic_del failed.\n");
+        return 1;
+    }
+    libxl_device_nic_dispose(&nic);
+    return 0;
+}
+
+
+/*
+ * Local variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.11.0


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