summaryrefslogtreecommitdiffstats
path: root/vppversion/vlib_version.c
diff options
context:
space:
mode:
Diffstat (limited to 'vppversion/vlib_version.c')
-rw-r--r--vppversion/vlib_version.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/vppversion/vlib_version.c b/vppversion/vlib_version.c
new file mode 100644
index 00000000000..53e65038d9a
--- /dev/null
+++ b/vppversion/vlib_version.c
@@ -0,0 +1,206 @@
+/*
+ *------------------------------------------------------------------
+ * vlib_version.c - generate a vlib version stamp
+ *
+ * Copyright (c) 2013 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/fifo.h>
+#include <vppinfra/time.h>
+#include <vppinfra/mheap.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/format.h>
+#include <vppinfra/error.h>
+#include <vppinfra/unix.h>
+
+typedef struct {
+ u8 * program;
+ u8 * output_filename;
+ u8 * git_branch;
+ int ofd;
+} version_main_t;
+
+version_main_t version_main;
+
+static char * fmt =
+"#include <vlib/vlib.h>"
+"\n"
+"static char * %s_version_string = \n\"%s\";\n"
+"static char * %s_dir_string = \n\"%s\";\n"
+"static char * %s_git_branch = \n\"%s\";\n"
+"\n"
+"static clib_error_t *\n"
+"show_%s_version_command_fn (vlib_main_t * vm,\n"
+" unformat_input_t * input,\n"
+" vlib_cli_command_t * cmd)\n"
+"{\n"
+" vlib_cli_output (vm, \"%%s\", %s_version_string);\n"
+" if (unformat (input, \"verbose\")){\n"
+" vlib_cli_output (vm, \"%%s\", %s_dir_string);\n"
+" vlib_cli_output (vm, \"%%s\", %s_git_branch);\n"
+" }\n"
+" return 0;\n"
+"}\n"
+"\n"
+"VLIB_CLI_COMMAND (show_%s_version_command, static) = {\n"
+" .path = \"show version %s\",\n"
+" .short_help = \"show version information for %s\",\n"
+" .function = show_%s_version_command_fn,\n"
+"};\n\n";
+
+static char *api_fmt =
+"char * %s_api_get_build_directory (void) \n{\n return \"%s\";\n}\n\n"
+"char * %s_api_get_branch (void) \n{\n return \"%s\";\n}\n"
+"char * %s_api_get_build_date (void) \n{\n return \"%s\";\n}";
+
+clib_error_t *
+write_version_file (version_main_t *vm)
+{
+ u8 * pgm, * api_fns;
+ u8 * vs;
+ u8 * ts;
+ u8 * ds;
+ u8 * gb;
+ u8 * hostname = 0;
+ u8 * pathname = 0;
+ struct passwd *passwd_file_entry;
+ time_t now = time (0);
+ clib_error_t * error = 0;
+
+ /* kill the newline */
+ ts = format (0, "%s", ctime (&now));
+ ts[vec_len(ts)-1] = 0;
+
+ vec_validate (hostname, 128);
+
+ gethostname (hostname, vec_len (hostname)-1);
+ hostname[128] = 0; /* jic */
+
+ vec_validate (pathname, 256);
+ { char *rv __attribute__((unused)) =
+ getcwd ((char *)pathname, vec_len(pathname) - 1);
+ }
+
+ passwd_file_entry = getpwuid(geteuid());
+
+ vs = format (0, "%s built by %s on %s at %s%c",
+ vm->program, passwd_file_entry->pw_name, hostname, ts, 0);
+
+ ds = format (0, "in %s%c", pathname, 0);
+
+ gb = format (0, "from git uber-branch %s%c", vm->git_branch, 0);
+
+ pgm = format (0, fmt,
+ vm->program, vs,
+ vm->program, ds,
+ vm->program, gb,
+ vm->program,
+ vm->program,
+ vm->program,
+ vm->program,
+ vm->program,
+ vm->program,
+ vm->program,
+ vm->program);
+
+ if (write (vm->ofd, pgm, vec_len (pgm)) != vec_len (pgm))
+ error = clib_error_return_unix (0, "write error on %s",
+ vm->output_filename);
+
+ api_fns = format (0, api_fmt,
+ vm->program, pathname,
+ vm->program, vm->git_branch,
+ vm->program, ts);
+
+ if (write (vm->ofd, api_fns, vec_len (api_fns)) != vec_len (api_fns))
+ error = clib_error_return_unix (0, "write error on %s",
+ vm->output_filename);
+
+ return error;
+
+}
+
+clib_error_t * version_main_fn (unformat_input_t * input)
+{
+ version_main_t * vm = &version_main;
+ u8 * fn, * pn, * bn;
+ clib_error_t * error;
+
+ vm->output_filename = format (0, "version.c");
+ vm->program = "unknown";
+ vm->git_branch = "unknown";
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "output-filename %s", &fn)
+ || unformat (input, "-o %s", &fn))
+ vm->output_filename = fn;
+ else if (unformat (input, "program-name %s", &pn)
+ || unformat (input, "-p %s", &pn))
+ {
+ vm->program = pn;
+ vec_add1 (vm->program, 0);
+ }
+ else if (unformat (input, "git-branch %s", &bn)
+ || unformat (input, "-b %s", &bn))
+ {
+ vm->git_branch = bn;
+ vec_add1 (vm->git_branch, 0);
+ }
+ else
+ return clib_error_return (0, "unknown args '%U'",
+ format_unformat_error, input);
+ }
+ vec_add1 (vm->output_filename, 0);
+
+ vm->ofd = creat (vm->output_filename, 0666);
+ if (vm->ofd < 0)
+ return clib_error_return_unix (0, "couldn't create '%s'",
+ vm->output_filename);
+
+ error = write_version_file (vm);
+ close (vm->ofd);
+ return error;
+}
+
+
+int main (int argc, char **argv)
+{
+ unformat_input_t _input, *input = &_input;
+ clib_error_t * error;
+
+ unformat_init_command_line (input, argv);
+ error = version_main_fn (input);
+ unformat_free (input);
+
+ if (error)
+ {
+ clib_error_report (error);
+ exit (1);
+ }
+ exit (0);
+}
+