corosync-cmapctl is direct replacement for corosync-objctl Signed-off-by: Jan Friesse <jfriesse@xxxxxxxxxx> --- tools/.gitignore | 1 + tools/Makefile.am | 4 +- tools/corosync-cmapctl.c | 636 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 640 insertions(+), 1 deletions(-) create mode 100644 tools/corosync-cmapctl.c diff --git a/tools/.gitignore b/tools/.gitignore index 0dc0f7e..9651044 100644 --- a/tools/.gitignore +++ b/tools/.gitignore @@ -6,3 +6,4 @@ corosync-objctl corosync-pload corosync-quorumtool corosync-notifyd +corosync-cmapctl diff --git a/tools/Makefile.am b/tools/Makefile.am index 2699519..4847f3a 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -36,7 +36,7 @@ INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include \ sbin_PROGRAMS = corosync-fplay corosync-cfgtool \ corosync-keygen corosync-objctl \ corosync-pload corosync-cpgtool corosync-quorumtool \ - corosync-notifyd + corosync-notifyd corosync-cmapctl bin_SCRIPTS = corosync-blackbox @@ -47,6 +47,8 @@ corosync_pload_LDADD = -lpload $(LIBQB_LIBS) corosync_pload_LDFLAGS = -L../lib corosync_objctl_LDADD = -lconfdb ../lcr/liblcr.a $(LIBQB_LIBS) corosync_objctl_LDFLAGS = -L../lib +corosync_cmapctl_LDADD = -lcmap $(LIBQB_LIBS) +corosync_cmapctl_LDFLAGS= -L../lib corosync_cfgtool_LDADD = -lcfg $(LIBQB_LIBS) corosync_cfgtool_LDFLAGS= -L../lib corosync_cpgtool_LDADD = -lcfg -lcpg $(LIBQB_LIBS) diff --git a/tools/corosync-cmapctl.c b/tools/corosync-cmapctl.c new file mode 100644 index 0000000..0c707a2 --- /dev/null +++ b/tools/corosync-cmapctl.c @@ -0,0 +1,636 @@ +/* + * Copyright (c) 2011 Red Hat, Inc. + * + * All rights reserved. + * + * Author: Jan Friesse (jfriesse@xxxxxxxxxx) + * + * This software licensed under BSD license, the text of which follows: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of the Red Hat, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <config.h> + +#include <stdio.h> +#include <poll.h> + +#include <corosync/corotypes.h> +#include <corosync/cmap.h> +#include "../lib/util.h" + +#ifndef INFTIM +#define INFTIM -1 +#endif + +#define MAX_TRY_AGAIN 10 + +enum user_action { + ACTION_GET, + ACTION_SET, + ACTION_DELETE, + ACTION_PRINT_ALL, + ACTION_PRINT_DEFAULT, + ACTION_PRINT_PREFIX, + ACTION_TRACK +}; + +struct name_to_type_item { + const char *name; + cmap_value_types_t type; +}; + +struct name_to_type_item name_to_type[] = { + {"i8", CMAP_VALUETYPE_INT8}, + {"u8", CMAP_VALUETYPE_UINT8}, + {"i16", CMAP_VALUETYPE_INT16}, + {"u16", CMAP_VALUETYPE_UINT16}, + {"i32", CMAP_VALUETYPE_INT32}, + {"u32", CMAP_VALUETYPE_UINT32}, + {"i64", CMAP_VALUETYPE_INT64}, + {"u64", CMAP_VALUETYPE_UINT64}, + {"flt", CMAP_VALUETYPE_FLOAT}, + {"dbl", CMAP_VALUETYPE_DOUBLE}, + {"str", CMAP_VALUETYPE_STRING}, + {"bin", CMAP_VALUETYPE_BINARY}}; + +static int convert_name_to_type(const char *name) +{ + int i; + + for (i = 0; i < sizeof(name_to_type) / sizeof(*name_to_type); i++) { + if (strcmp(name, name_to_type[i].name) == 0) { + return (name_to_type[i].type); + } + } + + return (-1); +} + +static int print_help(void) +{ + printf("\n"); + printf("usage: corosync-cmapctl "); + printf("\n"); + + return (0); +} + +static void print_key(cmap_handle_t handle, + const char *key_name, + size_t value_len, + const void *value, + cmap_value_types_t type) +{ + char *str; + cs_error_t err; + int8_t i8; + uint8_t u8; + int16_t i16; + uint16_t u16; + int32_t i32; + uint32_t u32; + int64_t i64; + uint64_t u64; + float flt; + double dbl; + int end_loop; + int no_retries; + + end_loop = 0; + no_retries = 0; + + err = CS_OK; + + while (!end_loop) { + switch (type) { + case CMAP_VALUETYPE_INT8: + if (value == NULL) { + err = cmap_get_int8(handle, key_name, &i8); + } else { + i8 = *((int8_t *)value); + } + break; + case CMAP_VALUETYPE_INT16: + if (value == NULL) { + err = cmap_get_int16(handle, key_name, &i16); + } else { + i16 = *((int16_t *)value); + } + break; + case CMAP_VALUETYPE_INT32: + if (value == NULL) { + err = cmap_get_int32(handle, key_name, &i32); + } else { + i32 = *((int32_t *)value); + } + break; + case CMAP_VALUETYPE_INT64: + if (value == NULL) { + err = cmap_get_int64(handle, key_name, &i64); + } else { + i64 = *((int64_t *)value); + } + break; + case CMAP_VALUETYPE_UINT8: + if (value == NULL) { + err = cmap_get_uint8(handle, key_name, &u8); + } else { + u8 = *((uint8_t *)value); + } + break; + case CMAP_VALUETYPE_UINT16: + if (value == NULL) { + err = cmap_get_uint16(handle, key_name, &u16); + } else { + u16 = *((uint16_t *)value); + } + break; + case CMAP_VALUETYPE_UINT32: + if (value == NULL) { + err = cmap_get_uint32(handle, key_name, &u32); + } else { + u32 = *((uint32_t *)value); + } + break; + case CMAP_VALUETYPE_UINT64: + if (value == NULL) { + err = cmap_get_uint64(handle, key_name, &u64); + } else { + u64 = *((uint64_t *)value); + } + break; + case CMAP_VALUETYPE_FLOAT: + if (value == NULL) { + err = cmap_get_float(handle, key_name, &flt); + } else { + flt = *((float *)value); + } + break; + case CMAP_VALUETYPE_DOUBLE: + if (value == NULL) { + err = cmap_get_double(handle, key_name, &dbl); + } else { + dbl = *((double *)value); + } + break; + case CMAP_VALUETYPE_STRING: + if (value == NULL) { + err = cmap_get_string(handle, key_name, &str); + } else { + str = (char *)value; + } + break; + case CMAP_VALUETYPE_BINARY: break; + } + + if (err == CS_OK) + end_loop = 1; + + if (err == CS_ERR_TRY_AGAIN) { + sleep(1); + no_retries++; + } + + if (no_retries > MAX_TRY_AGAIN) { + end_loop = 1; + } + }; + + if (err != CS_OK) { + fprintf(stderr, "Can't get value of %s. Error %s\n", key_name, cs_strerror(err)); + + return ; + } + + printf("%s (", key_name); + + switch (type) { + case CMAP_VALUETYPE_INT8: + printf("%s) = %"PRId8, "i8", i8); + break; + case CMAP_VALUETYPE_UINT8: + printf("%s) = %"PRIu8, "u8", u8); + break; + case CMAP_VALUETYPE_INT16: + printf("%s) = %"PRId16, "i16", i16); + break; + case CMAP_VALUETYPE_UINT16: + printf("%s) = %"PRIu16, "u16", u16); + break; + case CMAP_VALUETYPE_INT32: + printf("%s) = %"PRId32, "i32", i32); + break; + case CMAP_VALUETYPE_UINT32: + printf("%s) = %"PRIu32, "u32", u32); + break; + case CMAP_VALUETYPE_INT64: + printf("%s) = %"PRId64, "i64", i64); + break; + case CMAP_VALUETYPE_UINT64: + printf("%s) = %"PRIu64, "u64", u64); + break; + case CMAP_VALUETYPE_FLOAT: + printf("%s) = %f", "flt", flt); + break; + case CMAP_VALUETYPE_DOUBLE: + printf("%s) = %lf", "dbl", dbl); + break; + case CMAP_VALUETYPE_STRING: + printf("%s) = %s", "str", str); + if (value == NULL) { + free(str); + } + break; + case CMAP_VALUETYPE_BINARY: + printf("%s)", "bin"); + break; + } + + printf("\n"); +} + +static void print_iter(enum user_action action, cmap_handle_t handle, const char *prefix) +{ + cmap_iter_handle_t iter_handle; + char key_name[CMAP_KEYNAME_MAXLEN + 1]; + size_t value_len; + cmap_value_types_t type; + cs_error_t err; + + err = cmap_iter_init(handle, prefix, &iter_handle); + if (err != CS_OK) { + fprintf (stderr, "Failed to initialize iteration. Error %s\n", cs_strerror(err)); + exit (EXIT_FAILURE); + } + + while ((err = cmap_iter_next(handle, iter_handle, key_name, &value_len, &type)) == CS_OK) { + if (action == ACTION_PRINT_DEFAULT && + strncmp(key_name, "internal_configuration", strlen("internal_configuration") == 0)) + continue; + print_key(handle, key_name, value_len, NULL, type); + } +} + +static void cmap_notify_fn( + cmap_handle_t cmap_handle, + cmap_track_handle_t cmap_track_handle, + int32_t event, + const char *key_name, + struct cmap_notify_value new_val, + struct cmap_notify_value old_val, + void *user_data) +{ + switch (event) { + case CMAP_TRACK_ADD: + printf("create> "); + print_key(cmap_handle, key_name, new_val.len, new_val.data, new_val.type); + break; + case CMAP_TRACK_DELETE: + printf("delete> "); + print_key(cmap_handle, key_name, old_val.len, old_val.data, old_val.type); + break; + case CMAP_TRACK_MODIFY: + printf("modify> "); + print_key(cmap_handle, key_name, new_val.len, new_val.data, new_val.type); + break; + default: + printf("unknown change> "); + break; + } + +} + +static void add_track(cmap_handle_t handle, const char *key_name, int prefix) +{ + cmap_track_handle_t track_handle; + int32_t track_type; + cs_error_t err; + + track_type = CMAP_TRACK_ADD | CMAP_TRACK_DELETE | CMAP_TRACK_MODIFY; + if (prefix) { + track_type |= CMAP_TRACK_PREFIX; + } + + err = cmap_track_add(handle, key_name, track_type, cmap_notify_fn, NULL, &track_handle); + if (err != CS_OK) { + fprintf(stderr, "Failed to add tracking function. Error %s\n", cs_strerror(err)); + exit (EXIT_FAILURE); + } +} + +static void track_changes(cmap_handle_t handle) +{ + struct pollfd pfd[2]; + int cmap_fd; + cs_error_t err; + int poll_res; + char inbuf[3]; + int quit = CS_FALSE; + + err = cmap_fd_get(handle, &cmap_fd); + if (err != CS_OK) { + fprintf(stderr, "Failed to get file handle. Error %s\n", cs_strerror(err)); + exit (EXIT_FAILURE); + } + + pfd[0].fd = cmap_fd; + pfd[1].fd = STDIN_FILENO; + pfd[0].events = pfd[1].events = POLLIN; + + printf("Type \"q\" to finish\n"); + do { + pfd[0].revents = pfd[1].revents = 0; + poll_res = poll(pfd, 2, INFTIM); + if (poll_res == -1) { + perror("poll"); + } + + if (pfd[1].revents & POLLIN) { + if (fgets(inbuf, sizeof(inbuf), stdin) == NULL) { + quit = CS_TRUE; + } else if (strncmp(inbuf, "q", 1) == 0) { + quit = CS_TRUE; + } + } + + if (pfd[0].revents & POLLIN) { + err = cmap_dispatch(handle, CS_DISPATCH_ALL); + if (err != CS_OK) { + fprintf(stderr, "Dispatch error %s\n", cs_strerror(err)); + quit = CS_TRUE; + } + } + } while (poll_res > 0 && !quit); +} + + +static void set_key(cmap_handle_t handle, const char *key_name, const char *key_type_s, const char *key_value_s) +{ + int64_t i64; + uint64_t u64; + double dbl; + float flt; + cs_error_t err; + int scanf_res; + + cmap_value_types_t type; + + if (convert_name_to_type(key_type_s) == -1) { + fprintf(stderr, "Unknown type %s\n", key_type_s); + exit (EXIT_FAILURE); + } + + type = convert_name_to_type(key_type_s); + + switch (type) { + case CMAP_VALUETYPE_INT8: + case CMAP_VALUETYPE_INT16: + case CMAP_VALUETYPE_INT32: + case CMAP_VALUETYPE_INT64: + scanf_res = sscanf(key_value_s, "%"PRId64, &i64); + break; + case CMAP_VALUETYPE_UINT8: + case CMAP_VALUETYPE_UINT16: + case CMAP_VALUETYPE_UINT32: + case CMAP_VALUETYPE_UINT64: + scanf_res = sscanf(key_value_s, "%"PRIu64, &u64); + break; + case CMAP_VALUETYPE_FLOAT: + scanf_res = sscanf(key_value_s, "%f", &flt); + break; + case CMAP_VALUETYPE_DOUBLE: + scanf_res = sscanf(key_value_s, "%lf", &dbl); + break; + case CMAP_VALUETYPE_STRING: + case CMAP_VALUETYPE_BINARY: + /* + * Do nothing + */ + scanf_res = 1; + break; + } + + if (scanf_res != 1) { + fprintf(stderr, "%s is not valid %s type value\n", key_value_s, key_type_s); + exit(EXIT_FAILURE); + } + /* + * We have parsed value, so insert value + */ + + switch (type) { + case CMAP_VALUETYPE_INT8: + if (i64 > INT8_MAX || i64 < INT8_MIN) { + fprintf(stderr, "%s is not valid i8 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_int8(handle, key_name, i64); + break; + case CMAP_VALUETYPE_INT16: + if (i64 > INT16_MAX || i64 < INT16_MIN) { + fprintf(stderr, "%s is not valid i16 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_int16(handle, key_name, i64); + break; + case CMAP_VALUETYPE_INT32: + if (i64 > INT32_MAX || i64 < INT32_MIN) { + fprintf(stderr, "%s is not valid i32 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_int32(handle, key_name, i64); + break; + case CMAP_VALUETYPE_INT64: + err = cmap_set_int64(handle, key_name, i64); + break; + + case CMAP_VALUETYPE_UINT8: + if (u64 > UINT8_MAX) { + fprintf(stderr, "%s is not valid u8 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_uint8(handle, key_name, u64); + break; + case CMAP_VALUETYPE_UINT16: + if (u64 > UINT16_MAX) { + fprintf(stderr, "%s is not valid u16 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_uint16(handle, key_name, u64); + break; + case CMAP_VALUETYPE_UINT32: + if (u64 > UINT32_MAX) { + fprintf(stderr, "%s is not valid u32 integer\n", key_value_s); + exit(EXIT_FAILURE); + } + err = cmap_set_uint32(handle, key_name, u64); + break; + case CMAP_VALUETYPE_UINT64: + err = cmap_set_uint64(handle, key_name, u64); + break; + case CMAP_VALUETYPE_FLOAT: + err = cmap_set_float(handle, key_name, flt); + break; + case CMAP_VALUETYPE_DOUBLE: + err = cmap_set_double(handle, key_name, dbl); + break; + case CMAP_VALUETYPE_STRING: + err = cmap_set_string(handle, key_name, key_value_s); + break; + case CMAP_VALUETYPE_BINARY: + exit(1); + break; + } + + if (err != CS_OK) { + fprintf (stderr, "Failed to set key %s. Error %s\n", key_name, cs_strerror(err)); + exit (EXIT_FAILURE); + } +} + +int main(int argc, char *argv[]) +{ + enum user_action action; + int c; + cs_error_t err; + cmap_handle_t handle; + int i; + size_t value_len; + cmap_value_types_t type; + int track_prefix; + int no_retries; + + action = ACTION_PRINT_PREFIX; + track_prefix = 1; + + while ((c = getopt(argc, argv, "hagsdtT")) != -1) { + switch (c) { + case 'h': + return print_help(); + break; + case 'a': + action = ACTION_PRINT_ALL; + break; + case 'g': + action = ACTION_GET; + break; + case 's': + action = ACTION_SET; + break; + case 'd': + action = ACTION_DELETE; + break; + case 't': + action = ACTION_TRACK; + break; + case 'T': + action = ACTION_TRACK; + track_prefix = 0; + break; + case '?': + return (EXIT_FAILURE); + break; + default: + action = ACTION_PRINT_PREFIX; + break; + } + } + + if (argc == 1) { + action = ACTION_PRINT_DEFAULT; + } + + argc -= optind; + argv += optind; + + if (argc == 0 && action != ACTION_PRINT_DEFAULT && action != ACTION_PRINT_ALL) { + fprintf(stderr, "Expected key after options\n"); + return (EXIT_FAILURE); + } + + no_retries = 0; + while ((err = cmap_initialize(&handle)) == CS_ERR_TRY_AGAIN && no_retries++ < MAX_TRY_AGAIN) { + sleep(1); + } + + if (err != CS_OK) { + fprintf (stderr, "Failed to initialize the cmap API. Error %s\n", cs_strerror(err)); + exit (EXIT_FAILURE); + } + + switch (action) { + case ACTION_PRINT_DEFAULT: + case ACTION_PRINT_ALL: + print_iter(action, handle, NULL); + break; + case ACTION_PRINT_PREFIX: + for (i = 0; i < argc; i++) { + print_iter(action, handle, argv[i]); + } + break; + case ACTION_GET: + for (i = 0; i < argc; i++) { + err = cmap_get(handle, argv[i], NULL, &value_len, &type); + if (err == CS_OK) { + print_key(handle, argv[i], value_len, NULL, type); + } else { + fprintf(stderr, "Can't get key %s. Error %s\n", argv[i], cs_strerror(err)); + } + } + break; + case ACTION_DELETE: + for (i = 0; i < argc; i++) { + err = cmap_delete(handle, argv[i]); + if (err != CS_OK) { + fprintf(stderr, "Can't delete key %s. Error %s\n", argv[i], cs_strerror(err)); + } + } + break; + case ACTION_TRACK: + for (i = 0; i < argc; i++) { + add_track(handle, argv[i], track_prefix); + } + track_changes(handle); + break; + case ACTION_SET: + if (argc < 3) { + fprintf(stderr, "At least 3 parameters are expected for set\n"); + return (EXIT_FAILURE); + } + + set_key(handle, argv[0], argv[1], argv[2]); + break; + + } + + err = cmap_finalize(handle); + if (err != CS_OK) { + fprintf (stderr, "Failed to finalize the cmap API. Error %s\n", cs_strerror(err)); + exit (EXIT_FAILURE); + } + + return (0); +} -- 1.7.1 _______________________________________________ discuss mailing list discuss@xxxxxxxxxxxx http://lists.corosync.org/mailman/listinfo/discuss