/****************************************************************************** * * * Function: parse_list_of_checks * * * * Purpose: Parse list of active checks received from server * * * * Parameters: str - NULL terminated string received from server * * * * Return value: returns SUCCEED on succesfull parsing, * * FAIL on an incoorrect format of string * * * * Author: Eugene Grigorjev, Alexei Vladishev (new json protocol) * * * * Comments: * * String reprents as "ZBX_EOF" termination list * * With '\n' delimeter between elements. * * Each element represents as: * * <key>:<refresh time>:<last log size> * * * ******************************************************************************/ static int parse_list_of_checks(char *str) { const char *p; char name[MAX_STRING_LEN], key_orig[MAX_STRING_LEN], expression[MAX_STRING_LEN], tmp[MAX_STRING_LEN], exp_delimiter; int delay, lastlogsize, expression_type, case_sensitive; struct zbx_json_parse jp; struct zbx_json_parse jp_data, jp_row; zabbix_log(LOG_LEVEL_DEBUG, "In parse_list_of_checks()"); disable_all_metrics(); if (SUCCEED != zbx_json_open(str, &jp)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, tmp, sizeof(tmp))) goto json_error; if (0 != strcmp(tmp, ZBX_PROTO_VALUE_SUCCESS)) { zabbix_log(LOG_LEVEL_ERR, "Unsucesfull response received from server"); return FAIL; } if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) goto json_error; p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"key":"system.cpu.num",...,...},{...},...]} * ^------------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY, name, sizeof(name)) || *name == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_KEY); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY_ORIG, key_orig, sizeof(key_orig)) || *key_orig == '\0') zbx_strlcpy(key_orig, name, sizeof(key_orig)); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_DELAY, tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_DELAY); continue; } delay = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_LOGLASTSIZE, tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_LOGLASTSIZE); continue; } lastlogsize = atoi(tmp); add_check(name, key_orig, delay, lastlogsize); } clean_regexps_ex(regexps, ®exps_num); if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_REGEXP, &jp_data)) { p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"regexp":[{"name":"regexp1",...,...},{...},...]} * ^------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, "name", name, sizeof(name))) { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "name"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression", expression, sizeof(expression)) || *expression == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "expression"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression_type", tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "expression_type"); continue; } expression_type = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, "exp_delimiter", tmp, sizeof(tmp))) { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "exp_delimiter"); continue; } exp_delimiter = tmp[0]; if (SUCCEED != zbx_json_value_by_name(&jp_row, "case_sensitive", tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "case_sensitive"); continue; } case_sensitive = atoi(tmp); add_regexp_ex(®exps, ®exps_alloc, ®exps_num, name, expression, expression_type, exp_delimiter, case_sensitive); } } return SUCCEED; json_error: zabbix_log(LOG_LEVEL_ERR, "Can't parse list of active checks. %s", zbx_json_strerror()); return FAIL; }
/****************************************************************************** * * * Function: parse_list_of_checks * * * * Purpose: Parse list of active checks received from server * * * * Parameters: str - NULL terminated string received from server * * host - address of host * * port - port number on host * * * * Return value: returns SUCCEED on successful parsing, * * FAIL on an incorrect format of string * * * * Author: Eugene Grigorjev, Alexei Vladishev (new json protocol) * * * * Comments: * * String represented as "ZBX_EOF" termination list * * With '\n' delimiter between elements. * * Each element represented as: * * <key>:<refresh time>:<last log size>:<modification time> * * * ******************************************************************************/ static int parse_list_of_checks(char *str, const char *host, unsigned short port) { const char *p; char name[MAX_STRING_LEN], key_orig[MAX_STRING_LEN], expression[MAX_STRING_LEN], tmp[MAX_STRING_LEN], exp_delimiter; int delay, mtime, expression_type, case_sensitive; zbx_uint64_t lastlogsize; struct zbx_json_parse jp; struct zbx_json_parse jp_data, jp_row; zabbix_log(LOG_LEVEL_DEBUG, "In parse_list_of_checks()"); disable_all_metrics(); if (SUCCEED != zbx_json_open(str, &jp)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, tmp, sizeof(tmp))) goto json_error; if (0 != strcmp(tmp, ZBX_PROTO_VALUE_SUCCESS)) { if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, tmp, sizeof(tmp))) zabbix_log(LOG_LEVEL_WARNING, "no active checks on server [%s:%hu]: %s", host, port, tmp); else zabbix_log(LOG_LEVEL_WARNING, "no active checks on server"); return FAIL; } if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) goto json_error; p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"key":"system.cpu.num",...,...},{...},...]} * ^------------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY, name, sizeof(name)) || '\0' == *name) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_KEY); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY_ORIG, key_orig, sizeof(key_orig)) || '\0' == *key_orig) { zbx_strlcpy(key_orig, name, sizeof(key_orig)); } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_DELAY, tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_DELAY); continue; } delay = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_LOGLASTSIZE, tmp, sizeof(tmp)) || SUCCEED != is_uint64(tmp, &lastlogsize)) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_LOGLASTSIZE); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_MTIME, tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_MTIME); mtime = 0; } else mtime = atoi(tmp); add_check(name, key_orig, delay, lastlogsize, mtime); } zbx_regexp_clean_expressions(®exps); if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_REGEXP, &jp_data)) { p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"regexp":[{"name":"regexp1",...,...},{...},...]} * ^------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, "name", name, sizeof(name))) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "name"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression", expression, sizeof(expression)) || '\0' == *expression) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "expression"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression_type", tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "expression_type"); continue; } expression_type = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, "exp_delimiter", tmp, sizeof(tmp))) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "exp_delimiter"); continue; } exp_delimiter = tmp[0]; if (SUCCEED != zbx_json_value_by_name(&jp_row, "case_sensitive", tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "case_sensitive"); continue; } case_sensitive = atoi(tmp); add_regexp_ex(®exps, name, expression, expression_type, exp_delimiter, case_sensitive); } } return SUCCEED; json_error: zabbix_log(LOG_LEVEL_ERR, "cannot parse list of active checks: %s", zbx_json_strerror()); return FAIL; }