From 1091c65227a740830654605f0360a0381171301c Mon Sep 17 00:00:00 2001 From: Florian Forster Date: Tue, 20 Dec 2011 15:55:02 +0100 Subject: [PATCH] Implement the "list_graphs_json" action. --- src/Makefile.am | 1 + src/action_list_graphs_json.c | 148 ++++++++++++++++++++++++++++++++++ src/action_list_graphs_json.h | 30 +++++++ src/main.c | 2 + 4 files changed, 181 insertions(+) create mode 100644 src/action_list_graphs_json.c create mode 100644 src/action_list_graphs_json.h diff --git a/src/Makefile.am b/src/Makefile.am index 9595ebd..d76e589 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -19,6 +19,7 @@ collection_fcgi_SOURCES = main.c \ action_instance_data_json.c action_instance_data_json.h \ action_graph_def_json.c action_graph_def_json.h \ action_list_graphs.c action_list_graphs.h \ + action_list_graphs_json.c action_list_graphs_json.h \ action_list_hosts.c action_list_hosts.h \ action_search.c action_search.h \ action_search_json.c action_search_json.h \ diff --git a/src/action_list_graphs_json.c b/src/action_list_graphs_json.c new file mode 100644 index 0000000..120e419 --- /dev/null +++ b/src/action_list_graphs_json.c @@ -0,0 +1,148 @@ +/** + * collection4 - action_list_graphs_json.c + * Copyright (C) 2010,2011 Florian octo Forster + * + * 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; either + * version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * Authors: + * Florian octo Forster + **/ + +#include +#include +#include +#include + +#include "action_list_graphs_json.h" +#include "common.h" +#include "graph.h" +#include "graph_list.h" +#include "utils_cgi.h" + +#include +#include + +static void write_callback (__attribute__((unused)) void *ctx, /* {{{ */ + const char *str, unsigned int len) +{ + fwrite ((void *) str, /* size = */ len, /* nmemb = */ 1, stdout); +} /* }}} void write_callback */ + +static int print_one_graph (graph_config_t *cfg, /* {{{ */ + void *user_data) +{ + char params[1024]; + char title[1024]; + size_t num_instances; + + yajl_gen handler = user_data; + + num_instances = graph_num_instances (cfg); + if (num_instances < 1) + return (0); + + yajl_gen_map_open (handler); + + memset (title, 0, sizeof (title)); + graph_get_title (cfg, title, sizeof (title)); + + memset (params, 0, sizeof (params)); + graph_get_params (cfg, params, sizeof (params)); + + yajl_gen_string (handler, + (unsigned char *) "title", + (unsigned int) strlen ("title")); + yajl_gen_string (handler, + (unsigned char *) title, + (unsigned int) strlen (title)); + + yajl_gen_string (handler, + (unsigned char *) "params", + (unsigned int) strlen ("params")); + yajl_gen_string (handler, + (unsigned char *) params, + (unsigned int) strlen (params)); + + yajl_gen_string (handler, + (unsigned char *) "num_instances", + (unsigned int) strlen ("num_instances")); + yajl_gen_integer (handler, (long int) num_instances); + + yajl_gen_map_close (handler); + + return (0); +} /* }}} int print_one_graph */ + +static int print_all_graphs (yajl_gen handler) /* {{{ */ +{ + const char *dynamic; + _Bool include_dynamic = 0; + + dynamic = param ("dynamic"); + if ((dynamic != NULL) + && (strcmp ("true", dynamic) == 0)) + include_dynamic = 1; + + yajl_gen_array_open (handler); + + gl_graph_get_all (include_dynamic, print_one_graph, + /* user_data = */ handler); + + yajl_gen_array_close (handler); + + return (0); +} /* }}} int print_all_graphs */ + +int action_list_graphs_json (void) /* {{{ */ +{ + graph_config_t *cfg; + + yajl_gen_config handler_config; + yajl_gen handler; + + time_t now; + char time_buffer[128]; + int status; + + memset (&handler_config, 0, sizeof (handler_config)); + handler_config.beautify = 1; + handler_config.indentString = " "; + + handler = yajl_gen_alloc2 (write_callback, + &handler_config, + /* alloc functions = */ NULL, + /* context = */ NULL); + if (handler == NULL) + return (-1); + + printf ("Content-Type: application/json\n"); + + now = time (NULL); + status = time_to_rfc1123 (now + 300, time_buffer, sizeof (time_buffer)); + if (status == 0) + printf ("Expires: %s\n" + "Cache-Control: public\n", + time_buffer); + printf ("\n"); + + print_all_graphs (handler); + + yajl_gen_free (handler); + + return (status); +} /* }}} int action_list_graphs_json */ + +/* vim: set sw=2 sts=2 et fdm=marker : */ diff --git a/src/action_list_graphs_json.h b/src/action_list_graphs_json.h new file mode 100644 index 0000000..ff65e34 --- /dev/null +++ b/src/action_list_graphs_json.h @@ -0,0 +1,30 @@ +/** + * collection4 - action_list_graphs_json.h + * Copyright (C) 2010,2011 Florian octo Forster + * + * 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; either + * version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * Authors: + * Florian octo Forster + **/ + +#ifndef ACTION_LIST_GRAPHS_JSON_H +#define ACTION_LIST_GRAPHS_JSON_H 1 + +int action_list_graphs_json (void); + +#endif /* ACTION_LIST_GRAPHS_JSON_H */ +/* vim: set sw=2 sts=2 et fdm=marker : */ diff --git a/src/main.c b/src/main.c index 877f61b..d0e87c1 100644 --- a/src/main.c +++ b/src/main.c @@ -40,6 +40,7 @@ #include "action_instance_data_json.h" #include "action_graph_def_json.h" #include "action_list_graphs.h" +#include "action_list_graphs_json.h" #include "action_list_hosts.h" #include "action_search.h" #include "action_search_json.h" @@ -67,6 +68,7 @@ static const action_t actions[] = { "instance_data_json", action_instance_data_json }, { "graph_def_json", action_graph_def_json }, { "list_graphs", action_list_graphs }, + { "list_graphs_json", action_list_graphs_json }, { "list_hosts", action_list_hosts }, { "search", action_search }, { "search_json", action_search_json }, -- 2.30.2