--- /dev/null
+/*
+ Command line processing
+
+ Copyright (C) Amitay Isaacs 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+
+#include <popt.h>
+#include <talloc.h>
+#include <tevent.h>
+
+#include "lib/util/debug.h"
+
+#include "common/cmdline.h"
+
+#define CMDLINE_MAX_LEN 80
+
+struct cmdline_context {
+ const char *prog;
+ struct poptOption *options;
+ struct cmdline_command *commands;
+ int max_len;
+ poptContext pc;
+ int argc, arg0;
+ const char **argv;
+ struct cmdline_command *match_cmd;
+};
+
+static bool cmdline_show_help = false;
+
+static void cmdline_popt_help(poptContext pc,
+ enum poptCallbackReason reason,
+ struct poptOption *key,
+ const char *arg,
+ void *data)
+{
+ if (key->shortName == 'h') {
+ cmdline_show_help = true;
+ }
+}
+
+struct poptOption cmdline_help_options[] = {
+ { NULL, '\0', POPT_ARG_CALLBACK, cmdline_popt_help, 0, NULL, NULL },
+ { "help", 'h', 0, NULL, 'h', "Show this help message", NULL },
+ POPT_TABLEEND
+};
+
+#define CMDLINE_HELP_OPTIONS \
+ { NULL, '\0', POPT_ARG_INCLUDE_TABLE, cmdline_help_options, \
+ 0, "Help Options:", NULL }
+
+static bool cmdline_option_check(struct poptOption *option)
+{
+ if (option->longName == NULL) {
+ D_ERR("Option has no long name\n");
+ return false;
+ }
+
+ if (option->argInfo != POPT_ARG_STRING &&
+ option->argInfo != POPT_ARG_INT &&
+ option->argInfo != POPT_ARG_LONG &&
+ option->argInfo != POPT_ARG_VAL &&
+ option->argInfo != POPT_ARG_FLOAT &&
+ option->argInfo != POPT_ARG_DOUBLE) {
+ D_ERR("Option '%s' has unsupported type\n", option->longName);
+ return false;
+ }
+
+ if (option->arg == NULL) {
+ D_ERR("Option '%s' has invalid arg\n", option->longName);
+ return false;
+ }
+
+ if (option->descrip == NULL) {
+ D_ERR("Option '%s' has no help msg\n", option->longName);
+ return false;
+ }
+
+ return true;
+}
+
+static bool cmdline_options_check(struct poptOption *options)
+{
+ int i;
+ bool ok;
+
+ if (options == NULL) {
+ return true;
+ }
+
+ i = 0;
+ while (options[i].longName != NULL || options[i].shortName != '\0') {
+ ok = cmdline_option_check(&options[i]);
+ if (!ok) {
+ return false;
+ }
+ i++;
+ }
+
+ return true;
+}
+
+static int cmdline_options_define(TALLOC_CTX *mem_ctx,
+ struct poptOption *user_options,
+ struct poptOption **result)
+{
+ struct poptOption *options;
+ int count, i;
+
+ count = (user_options == NULL ? 2 : 3);
+
+ options = talloc_array(mem_ctx, struct poptOption, count);
+ if (options == NULL) {
+ return ENOMEM;
+ }
+
+ i = 0;
+ options[i++] = (struct poptOption) CMDLINE_HELP_OPTIONS;
+ if (user_options != NULL) {
+ options[i++] = (struct poptOption) {
+ .argInfo = POPT_ARG_INCLUDE_TABLE,
+ .arg = user_options,
+ .descrip = "Options:",
+ };
+ }
+ options[i++] = (struct poptOption) POPT_TABLEEND;
+
+ *result = options;
+ return 0;
+}
+
+static bool cmdline_command_check(struct cmdline_command *cmd, int *max_len)
+{
+ size_t len;
+
+ if (cmd->name == NULL) {
+ return false;
+ }
+
+ if (cmd->fn == NULL) {
+ D_ERR("Command '%s' has no implementation function\n",
+ cmd->name);
+ return false;
+ }
+
+ if (cmd->msg_help == NULL) {
+ D_ERR("Command '%s' has no help msg\n", cmd->name);
+ return false;
+ }
+
+ len = strlen(cmd->name);
+ if (cmd->msg_args != NULL) {
+ len += strlen(cmd->msg_args);
+ }
+ if (len > CMDLINE_MAX_LEN) {
+ D_ERR("Command '%s' is too long (%zu)\n", cmd->name, len);
+ return false;
+ }
+
+ if (len > *max_len) {
+ *max_len = (int)len;
+ }
+
+ len = strlen(cmd->msg_help);
+ if (len > CMDLINE_MAX_LEN) {
+ D_ERR("Command '%s' help too long (%zu)\n", cmd->name, len);
+ return false;
+ }
+
+ return true;
+}
+
+static bool cmdline_commands_check(struct cmdline_command *commands,
+ int *max_len)
+{
+ int i;
+ bool ok;
+
+ if (commands == NULL) {
+ return false;
+ }
+
+ for (i=0; commands[i].name != NULL; i++) {
+ ok = cmdline_command_check(&commands[i], max_len);
+ if (!ok) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static int cmdline_context_destructor(struct cmdline_context *cmdline);
+
+int cmdline_init(TALLOC_CTX *mem_ctx,
+ const char *prog,
+ struct poptOption *options,
+ struct cmdline_command *commands,
+ struct cmdline_context **result)
+{
+ struct cmdline_context *cmdline;
+ int ret, max_len = 0;
+ bool ok;
+
+ if (prog == NULL) {
+ return EINVAL;
+ }
+
+ ok = cmdline_options_check(options);
+ if (!ok) {
+ return EINVAL;
+ }
+
+ ok = cmdline_commands_check(commands, &max_len);
+ if (!ok) {
+ return EINVAL;
+ }
+
+ cmdline = talloc_zero(mem_ctx, struct cmdline_context);
+ if (cmdline == NULL) {
+ return ENOMEM;
+ }
+
+ cmdline->prog = talloc_strdup(cmdline, prog);
+ if (cmdline->prog == NULL) {
+ talloc_free(cmdline);
+ return ENOMEM;
+ }
+
+ ret = cmdline_options_define(cmdline, options, &cmdline->options);
+ if (ret != 0) {
+ talloc_free(cmdline);
+ return ret;
+ }
+ cmdline->commands = commands;
+ cmdline->max_len = max_len;
+
+ cmdline->argc = 1;
+ cmdline->argv = talloc_array(cmdline, const char *, 2);
+ if (cmdline->argv == NULL) {
+ talloc_free(cmdline);
+ return ENOMEM;
+ }
+ cmdline->argv[0] = cmdline->prog;
+ cmdline->argv[1] = NULL;
+
+ /* Dummy popt context for generating help */
+ cmdline->pc = poptGetContext(cmdline->prog,
+ cmdline->argc,
+ cmdline->argv,
+ cmdline->options,
+ 0);
+ if (cmdline->pc == NULL) {
+ talloc_free(cmdline);
+ return ENOMEM;
+ }
+
+ talloc_set_destructor(cmdline, cmdline_context_destructor);
+
+ *result = cmdline;
+ return 0;
+}
+
+static int cmdline_context_destructor(struct cmdline_context *cmdline)
+{
+ if (cmdline->pc != NULL) {
+ poptFreeContext(cmdline->pc);
+ }
+
+ return 0;
+}
+
+static int cmdline_parse_options(struct cmdline_context *cmdline,
+ int argc,
+ const char **argv)
+{
+ int opt;
+
+ if (cmdline->pc != NULL) {
+ poptFreeContext(cmdline->pc);
+ }
+
+ cmdline->pc = poptGetContext(cmdline->prog,
+ argc,
+ argv,
+ cmdline->options,
+ 0);
+ if (cmdline->pc == NULL) {
+ return ENOMEM;
+ }
+
+ while ((opt = poptGetNextOpt(cmdline->pc)) != -1) {
+ D_ERR("Invalid option %s: %s\n",
+ poptBadOption(cmdline->pc, 0),
+ poptStrerror(opt));
+ return EINVAL;
+ }
+
+ /* Set up remaining arguments for commands */
+ cmdline->argc = 0;
+ cmdline->argv = poptGetArgs(cmdline->pc);
+ if (cmdline->argv != NULL) {
+ while (cmdline->argv[cmdline->argc] != NULL) {
+ cmdline->argc++;
+ }
+ }
+
+ return 0;
+}
+
+static int cmdline_match(struct cmdline_context *cmdline)
+{
+ int i;
+
+ if (cmdline->argc == 0 || cmdline->argv == NULL) {
+ cmdline->match_cmd = NULL;
+ return EINVAL;
+ }
+
+ for (i=0; cmdline->commands[i].name != NULL; i++) {
+ struct cmdline_command *cmd;
+ char name[CMDLINE_MAX_LEN+1];
+ size_t len;
+ char *t, *str;
+ int n = 0;
+ bool match;
+
+ cmd = &cmdline->commands[i];
+ len = strlcpy(name, cmd->name, sizeof(name));
+ if (len >= sizeof(name)) {
+ D_ERR("Skipping long command '%s'\n", cmd->name);
+ continue;
+ }
+
+ str = name;
+ while ((t = strtok(str, " ")) != NULL) {
+ if (n >= cmdline->argc) {
+ match = false;
+ break;
+ }
+ if (cmdline->argv[n] == NULL) {
+ match = false;
+ break;
+ }
+ if (strcmp(cmdline->argv[n], t) == 0) {
+ match = true;
+ cmdline->arg0 = n+1;
+ } else {
+ match = false;
+ break;
+ }
+
+ n += 1;
+ str = NULL;
+ }
+
+ if (match) {
+ cmdline->match_cmd = cmd;
+ return 0;
+ }
+ }
+
+ cmdline->match_cmd = NULL;
+ return ENOENT;
+}
+
+int cmdline_parse(struct cmdline_context *cmdline,
+ int argc,
+ const char **argv,
+ bool parse_options)
+{
+ int ret;
+
+ if (argc < 2) {
+ return EINVAL;
+ }
+
+ cmdline_show_help = false;
+
+ if (parse_options) {
+ ret = cmdline_parse_options(cmdline, argc, argv);
+ if (ret != 0) {
+ return ret;
+ }
+ } else {
+ cmdline->argc = argc;
+ cmdline->argv = argv;
+ }
+
+ ret = cmdline_match(cmdline);
+ if (!cmdline_show_help && ret != 0) {
+ return ret;
+ }
+
+ return 0;
+}
+
+static void cmdline_usage_command(struct cmdline_context *cmdline,
+ struct cmdline_command *cmd,
+ bool print_all)
+{
+ int len;
+
+ len = (int)strlen(cmd->name);
+
+ printf(" %s ", cmd->name);
+ if (print_all) {
+ printf("%-*s",
+ cmdline->max_len-len,
+ cmd->msg_args == NULL ? "" : cmd->msg_args);
+ } else {
+ printf("%s", cmd->msg_args == NULL ? "" : cmd->msg_args);
+ }
+ printf(" %s\n", cmd->msg_help);
+}
+
+static void cmdline_usage_full(struct cmdline_context *cmdline)
+{
+ int i;
+
+ poptSetOtherOptionHelp(cmdline->pc, "[<options>] <command> [<args>]");
+ poptPrintHelp(cmdline->pc, stdout, 0);
+
+ printf("\nCommands:\n");
+ for (i=0; cmdline->commands[i].name != NULL; i++) {
+ cmdline_usage_command(cmdline, &cmdline->commands[i], true);
+
+ }
+}
+
+void cmdline_usage(struct cmdline_context *cmdline, const char *cmd_name)
+{
+ struct cmdline_command *cmd = NULL;
+ int i;
+
+ if (cmd_name == NULL) {
+ cmdline_usage_full(cmdline);
+ return;
+ }
+
+ for (i=0; cmdline->commands[i].name != NULL; i++) {
+ if (strcmp(cmdline->commands[i].name, cmd_name) == 0) {
+ cmd = &cmdline->commands[i];
+ break;
+ }
+ }
+
+ if (cmd == NULL) {
+ cmdline_usage_full(cmdline);
+ return;
+ }
+
+ poptSetOtherOptionHelp(cmdline->pc, "<command> [<args>]");
+ poptPrintUsage(cmdline->pc, stdout, 0);
+
+ printf("\n");
+ cmdline_usage_command(cmdline, cmd, false);
+}
+
+int cmdline_run(struct cmdline_context *cmdline,
+ void *private_data,
+ int *result)
+{
+ struct cmdline_command *cmd = cmdline->match_cmd;
+ TALLOC_CTX *tmp_ctx;
+ int ret;
+
+ if (cmdline_show_help) {
+ const char *name = NULL;
+
+ if (cmd != NULL) {
+ name = cmdline->match_cmd->name;
+ }
+
+ cmdline_usage(cmdline, name);
+
+ if (result != NULL) {
+ *result = 0;
+ }
+ return EAGAIN;
+ }
+
+ if (cmd == NULL) {
+ return ENOENT;
+ }
+
+ tmp_ctx = talloc_new(cmdline);
+ if (tmp_ctx == NULL) {
+ return ENOMEM;
+ }
+
+ ret = cmd->fn(tmp_ctx,
+ cmdline->argc - cmdline->arg0,
+ &cmdline->argv[cmdline->arg0],
+ private_data);
+
+ talloc_free(tmp_ctx);
+
+ if (result != NULL) {
+ *result = ret;
+ }
+ return 0;
+}
--- /dev/null
+/*
+ Command line processing
+
+ Copyright (C) Amitay Isaacs 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __CTDB_CMDLINE_H__
+#define __CTDB_CMDLINE_H__
+
+#include <popt.h>
+#include <talloc.h>
+
+/**
+ * @file cmdline.h
+ *
+ * @brief Command-line handling with options and commands
+ *
+ * This abstraction encapsulates the boiler-plate for parsing options,
+ * commands and arguments on command-line.
+ *
+ * Options handling is done using popt.
+ */
+
+/**
+ * @brief Abstract data structure holding command-line configuration
+ */
+struct cmdline_context;
+
+/**
+ * @brief A command definition structure
+ *
+ * @name is the name of the command
+ * @fn is the implementation of the command
+ * @msg_help is the help message describing command
+ * @msg_args is the help message describing arguments
+ *
+ * A command name can be a single word or multiple words separated with spaces.
+ *
+ * An implementation function should return 0 on success and non-zero value
+ * on failure. This value is returned as result in @cmdline_run.
+ */
+struct cmdline_command {
+ const char *name;
+ int (*fn)(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data);
+ const char *msg_help;
+ const char *msg_args;
+};
+
+/**
+ * @brief convinience macro to define the end of commands list
+ *
+ * Here is an example of defining commands list.
+ *
+ * struct cmdline_command commands[] = {
+ * { "command1", command1_func, "Run command1", NULL },
+ * { "command2", command2_func, "Run command2", "<filename>" },
+ * CMDLINE_TABLEEND
+ * };
+ */
+#define CMDLINE_TABLEEND { NULL, NULL, NULL, NULL }
+
+/**
+ * @brief Initialize cmdline abstraction
+ *
+ * If there are no options, options can be NULL.
+ *
+ * Help options (--help, -h) are automatically added to the options.
+ *
+ * @param[in] mem_ctx Talloc memory context
+ * @param[in] prog Program name
+ * @param[in] options Command-line options
+ * @param[in] commands Commands array
+ * @param[out] result New cmdline context
+ * @return 0 on success, errno on failure
+ *
+ * Freeing cmdline context will free up all the resources.
+ */
+int cmdline_init(TALLOC_CTX *mem_ctx,
+ const char *prog,
+ struct poptOption *options,
+ struct cmdline_command *commands,
+ struct cmdline_context **result);
+
+/**
+ * @brief Parse command line options and commands/arguments
+ *
+ * This function parses the arguments to process options and commands.
+ *
+ * This function should be passed the arguments to main() and parse_options
+ * should be set to true. If cmdline is used for handling second-level
+ * commands, then parse_options should be set to false.
+ *
+ * If argv does not match any command, then ENOENT is returned.
+ *
+ * @param[in] cmdline Cmdline context
+ * @param[in] argc Number of arguments
+ * @param[in] argv Arguments array
+ * @param[in] parse_options Whether to parse for options
+ * @return 0 on success, errno on failure
+ */
+int cmdline_parse(struct cmdline_context *cmdline,
+ int argc,
+ const char **argv,
+ bool parse_options);
+
+/**
+ * @brief Excecute the function for the command matched by @cmdline_parse
+ *
+ * @param[in] cmdline Cmdline context
+ * @param[in] private_data Private data for implementation function
+ * @param[out] result Return value from the implementation function
+ * @return 0 on success, errno on failure
+ *
+ * If help options are specified, then detailed help will be printed and
+ * the return value will be EAGAIN.
+ */
+int cmdline_run(struct cmdline_context *cmdline,
+ void *private_data,
+ int *result);
+
+/**
+ * @brief Print usage help message to stdout
+ *
+ * @param[in] cmdline Cmdline context
+ * @param[in] command Command string
+ *
+ * If command is NULL, then full help is printed.
+ * If command is specified, then compact help is printed.
+ */
+void cmdline_usage(struct cmdline_context *cmdline, const char *command);
+
+#endif /* __CTDB_CMDLINE_H__ */
--- /dev/null
+#!/bin/sh
+
+. "${TEST_SCRIPTS_DIR}/unit.sh"
+
+ok_null
+unit_test cmdline_test 1
+
+ok <<EOF
+Command 'nofunc' has no implementation function
+Command 'nohelp' has no help msg
+Command 'really really long command with lots of words' is too long (85)
+Command 'longhelp' help too long (90)
+EOF
+unit_test cmdline_test 2
+
+ok <<EOF
+Option has no long name
+Option 'debug' has unsupported type
+Option 'debug' has invalid arg
+EOF
+unit_test cmdline_test 3
+
+ok <<EOF
+Usage: test4 [<options>] <command> [<args>]
+
+Help Options:
+ -h, --help Show this help message
+
+Options:
+ -c, --count=INT Option help of length thirty.
+ -v, --value=Value help of length 23 Short description
+
+Commands:
+ A really really long command <a long arguments message> This is a really long help message
+ short command <short arg msg> short msg for short command
+Usage: test4 [-h] [-h|--help] [-c|--count=INT]
+ [-v|--value=Value help of length 23] <command> [<args>]
+
+ short command <short arg msg> short msg for short command
+EOF
+unit_test cmdline_test 4
+
+ok <<EOF
+Usage: test5 [<options>] <command> [<args>]
+
+Help Options:
+ -h, --help Show this help message
+
+Commands:
+ action one action one help
+ action two action two help
+EOF
+unit_test cmdline_test 5
+
+ok <<EOF
+arg1
+EOF
+unit_test cmdline_test 6
--- /dev/null
+/*
+ Command line processing tests
+
+ Copyright (C) Amitay Isaacs 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+
+#include <popt.h>
+#include <talloc.h>
+
+#include <assert.h>
+
+#include "common/cmdline.c"
+
+static int dummy_func(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ return 0;
+}
+
+static struct poptOption dummy_options[] = {
+ POPT_TABLEEND
+};
+
+static struct cmdline_command dummy_commands[] = {
+ CMDLINE_TABLEEND
+};
+
+static void test1(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ int ret;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx, NULL, NULL, NULL, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test1", NULL, NULL, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test1", dummy_options, NULL, &cmdline);
+ assert(ret == EINVAL);
+
+ talloc_free(mem_ctx);
+}
+
+static struct cmdline_command test2_nofunc[] = {
+ { "nofunc", NULL, NULL, NULL },
+ CMDLINE_TABLEEND
+};
+
+static struct cmdline_command test2_nohelp[] = {
+ { "nohelp", dummy_func, NULL, NULL },
+ CMDLINE_TABLEEND
+};
+
+static struct cmdline_command test2_long[] = {
+ { "really really long command with lots of words",
+ dummy_func, "long command help",
+ "<and lots of really long long arguments>" },
+ CMDLINE_TABLEEND
+};
+
+static struct cmdline_command test2_longhelp[] = {
+ { "longhelp", dummy_func,
+ "this is a really really really long help message" \
+ "with lots of words and lots of description",
+ NULL },
+ CMDLINE_TABLEEND
+};
+
+static struct cmdline_command test2_twowords[] = {
+ { "multiple words", dummy_func, "multiple words help", NULL },
+ CMDLINE_TABLEEND
+};
+
+static void test2(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ int ret;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx, "test2", NULL, test2_nofunc, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test2", NULL, test2_nohelp, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test2", NULL, test2_long, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test2", NULL, test2_longhelp, &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx, "test2", NULL, test2_twowords, &cmdline);
+ assert(ret == 0);
+
+ talloc_free(mem_ctx);
+}
+
+struct {
+ const char *str;
+} test3_data;
+
+static struct poptOption test3_noname[] = {
+ { NULL, 'o', POPT_ARG_STRING, &test3_data.str, 0,
+ "Noname option", NULL },
+ POPT_TABLEEND
+};
+
+static struct poptOption test3_notype[] = {
+ { "debug", 'd', POPT_ARG_NONE, NULL, 0,
+ "No argument option", NULL },
+ POPT_TABLEEND
+};
+
+static struct poptOption test3_noarg[] = {
+ { "debug", 'd', POPT_ARG_STRING, NULL, 0,
+ "No argument option", NULL },
+ POPT_TABLEEND
+};
+
+static void test3(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ int ret;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx,
+ "test3",
+ test3_noname,
+ dummy_commands,
+ &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx,
+ "test3",
+ test3_notype,
+ dummy_commands,
+ &cmdline);
+ assert(ret == EINVAL);
+
+ ret = cmdline_init(mem_ctx,
+ "test3",
+ test3_noarg,
+ dummy_commands,
+ &cmdline);
+ assert(ret == EINVAL);
+
+ talloc_free(mem_ctx);
+}
+
+static int test4_count;
+static int test4_value;
+
+static struct poptOption test4_options[] = {
+ { "count", 'c', POPT_ARG_INT, &test4_count, 0,
+ "Option help of length thirty.", NULL },
+ { "value", 'v', POPT_ARG_INT, &test4_value, 0,
+ "Short description", "Value help of length 23" },
+ POPT_TABLEEND
+};
+
+static struct cmdline_command test4_commands[] = {
+ { "A really really long command", dummy_func,
+ "This is a really long help message",
+ "<a long arguments message>" },
+ { "short command", dummy_func,
+ "short msg for short command", "<short arg msg>" },
+ CMDLINE_TABLEEND
+};
+
+static void test4(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ int ret;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx,
+ "test4",
+ test4_options,
+ test4_commands,
+ &cmdline);
+ assert(ret == 0);
+
+ cmdline_usage(cmdline, NULL);
+ cmdline_usage(cmdline, "short command");
+
+ talloc_free(mem_ctx);
+}
+
+static int action_func(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ if (argc != 1) {
+ return 100;
+ }
+
+ printf("%s\n", argv[0]);
+ return 200;
+}
+
+static struct cmdline_command action_commands[] = {
+ { "action one", dummy_func, "action one help", NULL },
+ { "action two", action_func, "action two help", NULL },
+ CMDLINE_TABLEEND
+};
+
+static void test5(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ const char *argv1[] = { "test5", "--help" };
+ const char *argv2[] = { "test5", "action" };
+ const char *argv3[] = { "test5", "action", "--help" };
+ const char *argv4[] = { "test5", "action", "one" };
+ int ret, result;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx, "test5", NULL, action_commands, &cmdline);
+ assert(ret == 0);
+
+ ret = cmdline_parse(cmdline, 2, argv1, true);
+ assert(ret == 0);
+
+ ret = cmdline_run(cmdline, NULL, &result);
+ assert(ret == EAGAIN);
+ assert(result == 0);
+
+ ret = cmdline_parse(cmdline, 2, argv2, true);
+ assert(ret == ENOENT);
+
+ ret = cmdline_parse(cmdline, 3, argv3, true);
+ assert(ret == 0);
+
+ ret = cmdline_parse(cmdline, 3, argv4, true);
+ assert(ret == 0);
+
+ talloc_free(mem_ctx);
+}
+
+static void test6(void)
+{
+ TALLOC_CTX *mem_ctx;
+ struct cmdline_context *cmdline;
+ const char *argv1[] = { "action", "two" };
+ const char *argv2[] = { "action", "two", "arg1" };
+ const char *argv3[] = { "action", "two", "arg1", "arg2" };
+ int ret, result;
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = cmdline_init(mem_ctx, "test6", NULL, action_commands, &cmdline);
+ assert(ret == 0);
+
+ ret = cmdline_parse(cmdline, 2, argv1, false);
+ assert(ret == 0);
+
+ ret = cmdline_run(cmdline, NULL, &result);
+ assert(ret == 0);
+ assert(result == 100);
+
+ ret = cmdline_parse(cmdline, 3, argv2, false);
+ assert(ret == 0);
+
+ ret = cmdline_run(cmdline, NULL, &result);
+ assert(ret == 0);
+ assert(result == 200);
+
+ ret = cmdline_parse(cmdline, 4, argv3, false);
+ assert(ret == 0);
+
+ ret = cmdline_run(cmdline, NULL, &result);
+ assert(ret == 0);
+ assert(result == 100);
+
+ talloc_free(mem_ctx);
+}
+
+int main(int argc, const char **argv)
+{
+ int num;
+
+ if (argc < 2) {
+ fprintf(stderr, "Usage %s <testnum>\n", argv[0]);
+ exit(1);
+ }
+
+ num = atoi(argv[1]);
+
+ switch (num) {
+ case 1:
+ test1();
+ break;
+
+ case 2:
+ test2();
+ break;
+
+ case 3:
+ test3();
+ break;
+
+ case 4:
+ test4();
+ break;
+
+ case 5:
+ test5();
+ break;
+
+ case 6:
+ test6();
+ break;
+ }
+
+ return 0;
+}
logging.c rb_tree.c tunable.c
pidfile.c run_proc.c
hash_count.c run_event.c
- sock_client.c version.c'''),
+ sock_client.c version.c
+ cmdline.c
+ '''),
deps='''samba-util sys_rw tevent-util
- replace talloc tevent tdb''')
+ replace talloc tevent tdb popt''')
bld.SAMBA_SUBSYSTEM('ctdb-protocol',
source=bld.SUBDIR('protocol',
'sock_io_test',
'hash_count_test',
'run_event_test',
+ 'cmdline_test'
]
for target in ctdb_unit_tests:
bld.SAMBA_BINARY(target,
source=src,
- deps='''talloc tevent tdb tevent-util
+ deps='''talloc tevent tdb tevent-util popt
LIBASYNC_REQ samba-util sys_rw''',
install_path='${CTDB_TEST_LIBEXECDIR}')
git.samba.org / samba.git / commitdiff