From e117f6452baa5a8d28156c279840a9f6d8f03d30 Mon Sep 17 00:00:00 2001 From: oetiker Date: Tue, 10 May 2005 18:52:43 +0000 Subject: [PATCH] python bindings add -- Alan Milligan alan from balclutha.org git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@539 a5681a0c-68f1-0310-ab6d-d61299d08faa --- CONTRIBUTORS | 1 + Makefile.am | 3 + acinclude.m4 | 28 +++ bindings/Makefile.am | 2 +- bindings/python/ACKNOWLEDGEMENT | 7 + bindings/python/AUTHORS | 1 + bindings/python/COPYING | 504 ++++++++++++++++++++++++++++++++++++++++ bindings/python/Makefile.am | 15 ++ bindings/python/Makefile.in | 501 +++++++++++++++++++++++++++++++++++++++ bindings/python/README | 28 +++ bindings/python/Setup.in | 2 + bindings/python/rrd_extra.h | 61 +++++ bindings/python/rrd_format.h | 324 ++++++++++++++++++++++++++ bindings/python/rrdtoolmodule.c | 504 ++++++++++++++++++++++++++++++++++++++++ bindings/python/setup.py | 55 +++++ configure.ac | 6 + rrdtool.spec | 15 ++ 17 files changed, 2056 insertions(+), 1 deletion(-) create mode 100644 bindings/python/ACKNOWLEDGEMENT create mode 100644 bindings/python/AUTHORS create mode 100644 bindings/python/COPYING create mode 100644 bindings/python/Makefile.am create mode 100644 bindings/python/Makefile.in create mode 100644 bindings/python/README create mode 100644 bindings/python/Setup.in create mode 100644 bindings/python/rrd_extra.h create mode 100644 bindings/python/rrd_format.h create mode 100644 bindings/python/rrdtoolmodule.c create mode 100644 bindings/python/setup.py diff --git a/CONTRIBUTORS b/CONTRIBUTORS index bd5147e..14fe140 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -2,6 +2,7 @@ I would like to thank to following people for helping to bring RRDtool into existence. Alan Lichty +Alan Milligan Python bindings Alex van den Bogaerdt (rrd_resize.c and more) Amos Shapira Andreas Kroomaa diff --git a/Makefile.am b/Makefile.am index b04965a..0e4263a 100644 --- a/Makefile.am +++ b/Makefile.am @@ -41,4 +41,7 @@ site-perl-install: all bindings/perl-piped/Makefile bindings/perl-shared/Makefil site-tcl-install: all cd bindings/tcl && $(MAKE) tcl-install +site-python-install: all + cd bindings/python && $(MAKE) python-install + ##END## diff --git a/acinclude.m4 b/acinclude.m4 index 7d7cc9e..6ada55c 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -441,3 +441,31 @@ Check config.log to see what went wrong ... AC_LANG_POP(C) ]) + + +dnl a macro to check for ability to create python extensions +dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) +dnl function also defines PYTHON_INCLUDES +AC_DEFUN([AM_CHECK_PYTHON_HEADERS], +[AC_REQUIRE([AM_PATH_PYTHON]) +AC_MSG_CHECKING(for headers required to compile python extensions) +dnl deduce PYTHON_INCLUDES +py_prefix=`$PYTHON -c "import sys; print sys.prefix"` +py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` +PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" +if test "$py_prefix" != "$py_exec_prefix"; then + PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" +fi +AC_SUBST(PYTHON_INCLUDES) +dnl check if the headers exist: +save_CPPFLAGS="$CPPFLAGS" +CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" +AC_TRY_CPP([#include ],dnl +[AC_MSG_RESULT(found) +$1],dnl +[AC_MSG_RESULT(not found) +$2]) +CPPFLAGS="$save_CPPFLAGS" +]) + + diff --git a/bindings/Makefile.am b/bindings/Makefile.am index 387a6ec..57773b7 100644 --- a/bindings/Makefile.am +++ b/bindings/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = tcl +SUBDIRS = tcl python # the following files are not mentioned in any other Makefile EXTRA_DIST = perl-piped/MANIFEST perl-piped/README perl-piped/Makefile.PL perl-piped/RRDp.pm perl-piped/t/base.t \ perl-shared/ntmake.pl perl-shared/MANIFEST perl-shared/README perl-shared/Makefile.PL perl-shared/RRDs.pm perl-shared/RRDs.xs perl-shared/t/base.t diff --git a/bindings/python/ACKNOWLEDGEMENT b/bindings/python/ACKNOWLEDGEMENT new file mode 100644 index 0000000..8cf3658 --- /dev/null +++ b/bindings/python/ACKNOWLEDGEMENT @@ -0,0 +1,7 @@ +ACKNOWLEDGMENT +============== + +This is a list of people who have made contributions to py-rrdtool. + +Matthew W. 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Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! + + diff --git a/bindings/python/Makefile.am b/bindings/python/Makefile.am new file mode 100644 index 0000000..bc36b59 --- /dev/null +++ b/bindings/python/Makefile.am @@ -0,0 +1,15 @@ +AM_CPPFLAGS = @CFLAGS@ -I../../src @PYTHON_INCLUDES@ + +#pythondir = $(pyexecdir)/python@PYTHON_VERSION@/site-packages + +python_PROGRAMS = rrdtoolmodule.so + +rrdtoolmodule_so_LDFLAGS = -module -shared -L../../src +rrdtoolmodule_so_LDADD = -lrrd +rrdtoolmodule_so_SOURCES = rrdtoolmodule.c + +noinst_HEADERS = rrd_extra.h \ + rrd_format.h + +clean: + rm -rf build diff --git a/bindings/python/Makefile.in b/bindings/python/Makefile.in new file mode 100644 index 0000000..fc82cd7 --- /dev/null +++ b/bindings/python/Makefile.in @@ -0,0 +1,501 @@ +# Makefile.in generated by automake 1.9.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +SOURCES = $(rrdtoolmodule_so_SOURCES) + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = ../.. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 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+clean: + rm -rf build +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/bindings/python/README b/bindings/python/README new file mode 100644 index 0000000..265244f --- /dev/null +++ b/bindings/python/README @@ -0,0 +1,28 @@ +Python-RRDtool 0.2.1 +-------------------- + +The python-rrdtool provides a interface to rrdtool, the wonderful +graphing and logging utility. This wrapper implementation has +worked from the scratch (without SWIG), and it's under LGPL. + +This module have not documented yet. Please refer pydoc. + + +Project +------- + +Homepage: http://www.nongnu.org/py-rrdtool/ + +Mailing Lists: + + CVS Checkins py-rrdtool-cvs@nongnu.org + Users & Hackers py-rrdtool-users@nongnu.org + + +Author +------ + +Hye-Shik Chang + +Any comments, suggestions, and/or patches are very welcome. +Thank you for using py-rrdtool! diff --git a/bindings/python/Setup.in b/bindings/python/Setup.in new file mode 100644 index 0000000..0136d58 --- /dev/null +++ b/bindings/python/Setup.in @@ -0,0 +1,2 @@ +*shared* +_rrdtool _rrdtoolmodule.c -lrrd -I/usr/local/include -L/usr/local/lib diff --git a/bindings/python/rrd_extra.h b/bindings/python/rrd_extra.h new file mode 100644 index 0000000..99b5aa0 --- /dev/null +++ b/bindings/python/rrd_extra.h @@ -0,0 +1,61 @@ +/* + * This file is part of RRDtool. + * + * RRDtool 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 2 of the License, or + * (at your option) any later version. + * + * RRDtool 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 Foobar; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/***************************************************************************** + * RRDtool 1.0.37 Copyright Tobias Oetiker, 1997 - 2000 + ***************************************************************************** + * rrd_tool.h Common Header File + ***************************************************************************** + * Id: rrd_tool.h,v 1.1.1.1 2002/02/26 10:21:37 oetiker Exp + * Log: rrd_tool.h,v + * Revision 1.1.1.1 2002/02/26 10:21:37 oetiker + * Intial Import + * + *****************************************************************************/ +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _RRD_EXTRA_H +#define _RRD_EXTRA_H + +#include "rrd_format.h" + +#ifndef WIN32 +#ifndef isnan /* POSIX */ +int isnan(double value); +#endif +#else /* Windows only */ +#include +#define isnan _isnan +#endif + +void rrd_free(rrd_t *rrd); +void rrd_init(rrd_t *rrd); + +int rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr); +int readfile(char *file, char **buffer, int skipfirst); + +#define RRD_READONLY 0 +#define RRD_READWRITE 1 + +#endif + +#ifdef __cplusplus +} +#endif diff --git a/bindings/python/rrd_format.h b/bindings/python/rrd_format.h new file mode 100644 index 0000000..e11cdd0 --- /dev/null +++ b/bindings/python/rrd_format.h @@ -0,0 +1,324 @@ +/* + * This file is part of RRDtool. + * + * RRDtool 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 2 of the License, or + * (at your option) any later version. + * + * RRDtool 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 Foobar; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/***************************************************************************** + * RRDtool 1.0.37 Copyright Tobias Oetiker, 1997, 1998, 1999 + ***************************************************************************** + * rrd_format.h RRD Database Format header + *****************************************************************************/ + +#ifndef _RRD_FORMAT_H +#define _RRD_FORMAT_H + +#include "rrd.h" + +/***************************************************************************** + * put this in your /usr/lib/magic file (/etc/magic on HPUX) + * + * # rrd database format + * 0 string RRD\0 rrd file + * >5 string >\0 version '%s' + * + *****************************************************************************/ + +#define RRD_COOKIE "RRD" +#define RRD_VERSION "0001" +#define FLOAT_COOKIE 8.642135E130 + +#if defined(WIN32) +#define DNAN ((double)fmod(0.0,0.0)) +#define DINF ((double)log(0.0)) +#else + +#define DNAN ((double)(0.0/0.0)) /* we use a DNAN to + * represent the UNKNOWN + * */ +#define DINF ((double)(1.0/0.0)) /* we use a DINF to + * represent a value at the upper or + * lower border of the graph ... + * */ +#endif + +typedef union unival { + unsigned long u_cnt; + rrd_value_t u_val; +} unival; + + +/**************************************************************************** + * The RRD Database Structure + * --------------------------- + * + * In oder to properly describe the database structure lets define a few + * new words: + * + * ds - Data Source (ds) providing input to the database. A Data Source (ds) + * can be a traffic counter, a temperature, the number of users logged + * into a system. The rrd database format can handle the input of + * several Data Sources (ds) in a singe database. + * + * dst - Data Source Type (dst). The Data Source Type (dst) defines the rules + * applied to Build Primary Data Points from the input provided by the + * data sources (ds). + * + * pdp - Primary Data Point (pdp). After the database has accepted the + * input from the data sources (ds). It starts building Primary + * Data Points (pdp) from the data. Primary Data Points (pdp) + * are evenly spaced along the time axis (pdp_step). The values + * of the Primary Data Points are calculated from the values of + * the data source (ds) and the exact time these values were + * provided by the data source (ds). + * + * pdp_st - PDP Start (pdp_st). The moments (pdp_st) in time where + * these steps occur are defined by the moments where the + * number of seconds since 1970-jan-1 modulo pdp_step equals + * zero (pdp_st). + * + * cf - Consolidation Function (cf). An arbitrary Consolidation Function (cf) + * (averaging, min, max) is applied to the primary data points (pdp) to + * calculate the consolidated data point. + * + * cdp - Consolidated Data Point (cdp) is the long term storage format for data + * in the rrd database. Consolidated Data Points represent one or + * several primary data points collected along the time axis. The + * Consolidated Data Points (cdp) are stored in Round Robin Archives + * (rra). + * + * rra - Round Robin Archive (rra). This is the place where the + * consolidated data points (cdp) get stored. The data is + * organized in rows (row) and columns (col). The Round Robin + * Archive got its name from the method data is stored in + * there. An RRD database can contain several Round Robin + * Archives. Each Round Robin Archive can have a different row + * spacing along the time axis (pdp_cnt) and a different + * consolidation function (cf) used to build its consolidated + * data points (cdp). + * + * rra_st - RRA Start (rra_st). The moments (rra_st) in time where + * Consolidated Data Points (cdp) are added to an rra are + * defined by the moments where the number of seconds since + * 1970-jan-1 modulo pdp_cnt*pdp_step equals zero (rra_st). + * + * row - Row (row). A row represent all consolidated data points (cdp) + * in a round robin archive who are of the same age. + * + * col - Column (col). A column (col) represent all consolidated + * data points (cdp) in a round robin archive (rra) who + * originated from the same data source (ds). + * + */ + +/**************************************************************************** + * POS 1: stat_head_t static header of the database + ****************************************************************************/ + +typedef struct stat_head_t { + + /* Data Base Identification Section ***/ + char cookie[4]; /* RRD */ + char version[5]; /* version of the format */ + double float_cookie; /* is it the correct double + * representation ? */ + + /* Data Base Structure Definition *****/ + unsigned long ds_cnt; /* how many different ds provide + * input to the rrd */ + unsigned long rra_cnt; /* how many rras will be maintained + * in the rrd */ + unsigned long pdp_step; /* pdp interval in seconds */ + + unival par[10]; /* global parameters ... unused + at the moment */ +} stat_head_t; + + +/**************************************************************************** + * POS 2: ds_def_t (* ds_cnt) Data Source definitions + ****************************************************************************/ + +enum dst_en { DST_COUNTER=0, /* data source types available */ + DST_ABSOLUTE, + DST_GAUGE, + DST_DERIVE}; + +enum ds_param_en { DS_mrhb_cnt=0, /* minimum required heartbeat. A + * data source must provide input at + * least every ds_mrhb seconds, + * otherwise it is regarded dead and + * will be set to UNKNOWN */ + DS_min_val, /* the processed input of a ds must */ + DS_max_val }; /* be between max_val and min_val + * both can be set to UNKNOWN if you + * do not care. Data outside the limits + * set to UNKNOWN */ + +/* The magic number here is one less than DS_NAM_SIZE */ +#define DS_NAM_FMT "%19[a-zA-Z0-9_-]" +#define DS_NAM_SIZE 20 + +#define DST_FMT "%19[A-Z]" +#define DST_SIZE 20 + +typedef struct ds_def_t { + char ds_nam[DS_NAM_SIZE]; /* Name of the data source (null terminated)*/ + char dst[DST_SIZE]; /* Type of data source (null terminated)*/ + unival par[10]; /* index of this array see ds_param_en */ +} ds_def_t; + +/**************************************************************************** + * POS 3: rra_def_t ( * rra_cnt) one for each store to be maintained + ****************************************************************************/ +enum cf_en { CF_AVERAGE=0, /* data consolidation functions */ + CF_MINIMUM, + CF_MAXIMUM, + CF_LAST}; + +enum rra_par_en { RRA_cdp_xff_val=0}; /* what part of the consolidated + datapoint may be unknown, while + still a valid entry in goes into the rra */ + +#define CF_NAM_FMT "%19[A-Z]" +#define CF_NAM_SIZE 20 + +typedef struct rra_def_t { + char cf_nam[CF_NAM_SIZE];/* consolidation function (null term) */ + unsigned long row_cnt; /* number of entries in the store */ + unsigned long pdp_cnt; /* how many primary data points are + * required for a consolidated data + * point?*/ + unival par[10]; /* index see rra_param_en */ + +} rra_def_t; + + +/**************************************************************************** + **************************************************************************** + **************************************************************************** + * LIVE PART OF THE HEADER. THIS WILL BE WRITTEN ON EVERY UPDATE * + **************************************************************************** + **************************************************************************** + ****************************************************************************/ +/**************************************************************************** + * POS 4: live_head_t + ****************************************************************************/ + +typedef struct live_head_t { + time_t last_up; /* when was rrd last updated */ +} live_head_t; + + +/**************************************************************************** + * POS 5: pdp_prep_t (* ds_cnt) here we prepare the pdps + ****************************************************************************/ +#define LAST_DS_LEN 30 /* DO NOT CHANGE THIS ... */ + +enum pdp_par_en { PDP_unkn_sec_cnt=0, /* how many seconds of the current + * pdp value is unknown data? */ + + PDP_val}; /* current value of the pdp. + this depends on dst */ + +typedef struct pdp_prep_t{ + char last_ds[LAST_DS_LEN]; /* the last reading from the data + * source. this is stored in ASCII + * to cater for very large counters + * we might encounter in connection + * with SNMP. */ + unival scratch[10]; /* contents according to pdp_par_en */ +} pdp_prep_t; + +/* data is passed from pdp to cdp when seconds since epoch modulo pdp_step == 0 + obviously the updates do not occur at these times only. Especially does the + format allow for updates to occur at different times for each data source. + The rules which makes this work is as follows: + + * DS updates may only occur at ever increasing points in time + * When any DS update arrives after a cdp update time, the *previous* + update cycle gets executed. All pdps are transfered to cdps and the + cdps feed the rras where necessary. Only then the new DS value + is loaded into the PDP. */ + + +/**************************************************************************** + * POS 6: cdp_prep_t (* rra_cnt * ds_cnt ) data prep area for cdp values + ****************************************************************************/ +enum cdp_par_en { CDP_val=0, /* the base_interval is always an + * average */ + CDP_unkn_pdp_cnt }; /* how many unknown pdp were + * integrated. This and the cdp_xff + will decide if this is going to + be a UNKNOWN or a valid value */ + +typedef struct cdp_prep_t{ + unival scratch[10]; /* contents according to cdp_par_en * + * init state should be NAN */ + +} cdp_prep_t; + +/**************************************************************************** + * POS 7: rra_ptr_t (* rra_cnt) pointers to the current row in each rra + ****************************************************************************/ + +typedef struct rra_ptr_t { + unsigned long cur_row; /* current row in the rra*/ +} rra_ptr_t; + + +/**************************************************************************** + **************************************************************************** + * One single struct to hold all the others. For convenience. + **************************************************************************** + ****************************************************************************/ +typedef struct rrd_t { + stat_head_t *stat_head; /* the static header */ + ds_def_t *ds_def; /* list of data source definitions */ + rra_def_t *rra_def; /* list of round robin archive def */ + live_head_t *live_head; + pdp_prep_t *pdp_prep; /* pdp data prep area */ + cdp_prep_t *cdp_prep; /* cdp prep area */ + rra_ptr_t *rra_ptr; /* list of rra pointers */ + rrd_value_t *rrd_value; /* list of rrd values */ +} rrd_t; + +/**************************************************************************** + **************************************************************************** + * AFTER the header section we have the DATA STORAGE AREA it is made up from + * Consolidated Data Points organized in Round Robin Archives. + **************************************************************************** + **************************************************************************** + + *RRA 0 + (0,0) .................... ( ds_cnt -1 , 0) + . + . + . + (0, row_cnt -1) ... (ds_cnt -1, row_cnt -1) + + *RRA 1 + *RRA 2 + + *RRA rra_cnt -1 + + ****************************************************************************/ + + +#endif + + + + diff --git a/bindings/python/rrdtoolmodule.c b/bindings/python/rrdtoolmodule.c new file mode 100644 index 0000000..3413be7 --- /dev/null +++ b/bindings/python/rrdtoolmodule.c @@ -0,0 +1,504 @@ +/* + * rrdtoolmodule.c + * + * RRDTool Python binding + * + * Author : Hye-Shik Chang + * Date : $Date: 2003/02/22 07:41:19 $ + * Created : 23 May 2002 + * + * $Revision: 1.14 $ + * + * ========================================================================== + * This file is part of py-rrdtool. + * + * py-rrdtool 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 of the License, or + * (at your option) any later version. + * + * py-rrdtool 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 Foobar; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +static const char *__version__ = "$Revision: 1.14 $"; + +#include "Python.h" +#include "rrd.h" +#include "rrd_extra.h" + +static PyObject *ErrorObject; +extern int optind, opterr; + +static int +create_args(char *command, PyObject *args, int *argc, char ***argv) +{ + PyObject *o; + int size, i; + + size = PyTuple_Size(args); + *argv = PyMem_New(char *, size + 1); + if (*argv == NULL) + return -1; + + for (i = 0; i < size; i++) { + o = PyTuple_GET_ITEM(args, i); + if (PyString_Check(o)) + (*argv)[i + 1] = PyString_AS_STRING(o); + else { + PyMem_Del(*argv); + PyErr_Format(PyExc_TypeError, "argument %d must be string", i); + return -1; + } + } + (*argv)[0] = command; + *argc = size + 1; + + /* reset getopt state */ + opterr = optind = 0; + + return 0; +} + +static void +destroy_args(char ***argv) +{ + PyMem_Del(*argv); + *argv = NULL; +} + +static char PyRRD_create__doc__[] = +"create(args..): Set up a new Round Robin Database\n\ + create filename [--start|-b start time] \ +[--step|-s step] [DS:ds-name:DST:heartbeat:min:max] \ +[RRA:CF:xff:steps:rows]"; + +static PyObject * +PyRRD_create(PyObject *self, PyObject *args) +{ + PyObject *r; + char **argv; + int argc; + + if (create_args("create", args, &argc, &argv) < 0) + return NULL; + + if (rrd_create(argc, argv) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + Py_INCREF(Py_None); + r = Py_None; + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_update__doc__[] = +"update(args..): Store a new set of values into the rrd\n" +" update filename [--template|-t ds-name[:ds-name]...] " +"N|timestamp:value[:value...] [timestamp:value[:value...] ...]"; + +static PyObject * +PyRRD_update(PyObject *self, PyObject *args) +{ + PyObject *r; + char **argv; + int argc; + + if (create_args("update", args, &argc, &argv) < 0) + return NULL; + + if (rrd_update(argc, argv) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + Py_INCREF(Py_None); + r = Py_None; + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_fetch__doc__[] = +"fetch(args..): fetch data from an rrd.\n" +" fetch filename CF [--resolution|-r resolution] " +"[--start|-s start] [--end|-e end]"; + +static PyObject * +PyRRD_fetch(PyObject *self, PyObject *args) +{ + PyObject *r; + rrd_value_t *data, *datai; + unsigned long step, ds_cnt; + time_t start, end; + int argc; + char **argv, **ds_namv; + + if (create_args("fetch", args, &argc, &argv) < 0) + return NULL; + + if (rrd_fetch(argc, argv, &start, &end, &step, + &ds_cnt, &ds_namv, &data) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + /* Return : + ((start, end, step), (name1, name2, ...), [(data1, data2, ..), ...]) */ + PyObject *range_tup, *dsnam_tup, *data_list, *t; + int i, j, row; + rrd_value_t dv; + + row = ((end - start) / step + 1); + + r = PyTuple_New(3); + range_tup = PyTuple_New(3); + dsnam_tup = PyTuple_New(ds_cnt); + data_list = PyList_New(row); + PyTuple_SET_ITEM(r, 0, range_tup); + PyTuple_SET_ITEM(r, 1, dsnam_tup); + PyTuple_SET_ITEM(r, 2, data_list); + + datai = data; + + PyTuple_SET_ITEM(range_tup, 0, PyInt_FromLong((long)start)); + PyTuple_SET_ITEM(range_tup, 1, PyInt_FromLong((long)end)); + PyTuple_SET_ITEM(range_tup, 2, PyInt_FromLong((long)step)); + + for (i = 0; i < ds_cnt; i++) + PyTuple_SET_ITEM(dsnam_tup, i, PyString_FromString(ds_namv[i])); + + for (i = 0; i < row; i ++) { + t = PyTuple_New(ds_cnt); + PyList_SET_ITEM(data_list, i, t); + + for (j = 0; j < ds_cnt; j++) { + dv = *(datai++); + if (isnan(dv)) { + PyTuple_SET_ITEM(t, j, Py_None); + Py_INCREF(Py_None); + } else { + PyTuple_SET_ITEM(t, j, PyFloat_FromDouble((double)dv)); + } + } + } + + for (i = 0; i < ds_cnt; i++) + free(ds_namv[i]); + free(ds_namv); /* rrdtool don't use PyMem_Malloc :) */ + free(data); + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_graph__doc__[] = +"graph(args..): Create a graph based on data from one or several RRD\n" +" graph filename [-s|--start seconds] " +"[-e|--end seconds] [-x|--x-grid x-axis grid and label] " +"[-y|--y-grid y-axis grid and label] [--alt-y-grid] [--alt-y-mrtg] " +"[--alt-autoscale] [--alt-autoscale-max] [--units-exponent] value " +"[-v|--vertical-label text] [-w|--width pixels] [-h|--height pixels] " +"[-i|--interlaced] " +"[-f|--imginfo formatstring] [-a|--imgformat GIF|PNG|GD] " +"[-B|--background value] [-O|--overlay value] " +"[-U|--unit value] [-z|--lazy] [-o|--logarithmic] " +"[-u|--upper-limit value] [-l|--lower-limit value] " +"[-g|--no-legend] [-r|--rigid] [--step value] " +"[-b|--base value] [-c|--color COLORTAG#rrggbb] " +"[-t|--title title] [DEF:vname=rrd:ds-name:CF] " +"[CDEF:vname=rpn-expression] [PRINT:vname:CF:format] " +"[GPRINT:vname:CF:format] [COMMENT:text] " +"[HRULE:value#rrggbb[:legend]] [VRULE:time#rrggbb[:legend]] " +"[LINE{1|2|3}:vname[#rrggbb[:legend]]] " +"[AREA:vname[#rrggbb[:legend]]] " +"[STACK:vname[#rrggbb[:legend]]]"; + +static PyObject * +PyRRD_graph(PyObject *self, PyObject *args) +{ + PyObject *r; + char **argv, **calcpr; + int argc, xsize, ysize, i; + double ymin, ymax; + if (create_args("graph", args, &argc, &argv) < 0) + return NULL; + + if (rrd_graph(argc, argv, &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + r = PyTuple_New(3); + + PyTuple_SET_ITEM(r, 0, PyInt_FromLong((long)xsize)); + PyTuple_SET_ITEM(r, 1, PyInt_FromLong((long)ysize)); + + if (calcpr) { + PyObject *e, *t; + + e = PyList_New(0); + PyTuple_SET_ITEM(r, 2, e); + + for(i = 0; calcpr[i]; i++) { + t = PyString_FromString(calcpr[i]); + PyList_Append(e, t); + Py_DECREF(t); + free(calcpr[i]); + } + free(calcpr); + } else { + Py_INCREF(Py_None); + PyTuple_SET_ITEM(r, 2, Py_None); + } + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_tune__doc__[] = +"tune(args...): Modify some basic properties of a Round Robin Database\n" +" tune filename [--heartbeat|-h ds-name:heartbeat] " +"[--minimum|-i ds-name:min] [--maximum|-a ds-name:max] " +"[--data-source-type|-d ds-name:DST] [--data-source-rename|-r old-name:new-name]"; + +static PyObject * +PyRRD_tune(PyObject *self, PyObject *args) +{ + PyObject *r; + char **argv; + int argc; + + if (create_args("tune", args, &argc, &argv) < 0) + return NULL; + + if (rrd_tune(argc, argv) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + Py_INCREF(Py_None); + r = Py_None; + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_last__doc__[] = +"last(filename): Return the timestamp of the last data sample in an RRD"; + +static PyObject * +PyRRD_last(PyObject *self, PyObject *args) +{ + PyObject *r; + int argc, ts; + char **argv; + + if (create_args("last", args, &argc, &argv) < 0) + return NULL; + + if ((ts = rrd_last(argc, argv)) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else + r = PyInt_FromLong((long)ts); + + destroy_args(&argv); + return r; +} + +static char PyRRD_resize__doc__[] = +"resize(args...): alters the size of an RRA.\n" +" resize filename rra-num GROW|SHRINK rows"; + +static PyObject * +PyRRD_resize(PyObject *self, PyObject *args) +{ + PyObject *r; + char **argv; + int argc, ts; + + if (create_args("resize", args, &argc, &argv) < 0) + return NULL; + + if ((ts = rrd_resize(argc, argv)) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + r = NULL; + } else { + Py_INCREF(Py_None); + r = Py_None; + } + + destroy_args(&argv); + return r; +} + +static char PyRRD_info__doc__[] = +"info(filename): extract header information from an rrd"; + +static PyObject * +PyRRD_info(PyObject *self, PyObject *args) +{ + PyObject *r, *t, *ds; + rrd_t rrd; + FILE *in_file; + char *filename; + int i, j; + + if (! PyArg_ParseTuple(args, "s:info", &filename)) + return NULL; + + if (rrd_open(filename, &in_file, &rrd, RRD_READONLY) == -1) { + PyErr_SetString(ErrorObject, rrd_get_error()); + rrd_clear_error(); + return NULL; + } + fclose(in_file); + +#define DICTSET_STR(dict, name, value) \ + t = PyString_FromString(value); \ + PyDict_SetItemString(dict, name, t); \ + Py_DECREF(t); + +#define DICTSET_CNT(dict, name, value) \ + t = PyInt_FromLong((long)value); \ + PyDict_SetItemString(dict, name, t); \ + Py_DECREF(t); + +#define DICTSET_VAL(dict, name, value) \ + t = isnan(value) ? (Py_INCREF(Py_None), Py_None) : \ + PyFloat_FromDouble((double)value); \ + PyDict_SetItemString(dict, name, t); \ + Py_DECREF(t); + + r = PyDict_New(); + + DICTSET_STR(r, "filename", filename); + DICTSET_STR(r, "rrd_version", rrd.stat_head->version); + DICTSET_CNT(r, "step", rrd.stat_head->pdp_step); + DICTSET_CNT(r, "last_update", rrd.live_head->last_up); + + ds = PyDict_New(); + PyDict_SetItemString(r, "ds", ds); + Py_DECREF(ds); + + for (i = 0; i < rrd.stat_head->ds_cnt; i++) { + PyObject *d; + + d = PyDict_New(); + PyDict_SetItemString(ds, rrd.ds_def[i].ds_nam, d); + Py_DECREF(d); + + DICTSET_STR(d, "ds_name", rrd.ds_def[i].ds_nam); + DICTSET_STR(d, "type", rrd.ds_def[i].dst); + DICTSET_CNT(d, "minimal_heartbeat", rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt); + DICTSET_VAL(d, "min", rrd.ds_def[i].par[DS_min_val].u_val); + DICTSET_VAL(d, "max", rrd.ds_def[i].par[DS_max_val].u_val); + DICTSET_STR(d, "last_ds", rrd.pdp_prep[i].last_ds); + DICTSET_VAL(d, "value", rrd.pdp_prep[i].scratch[PDP_val].u_val); + DICTSET_CNT(d, "unknown_sec", rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt); + } + + ds = PyList_New(rrd.stat_head->rra_cnt); + PyDict_SetItemString(r, "rra", ds); + Py_DECREF(ds); + + for (i = 0; i < rrd.stat_head->rra_cnt; i++) { + PyObject *d, *cdp; + + d = PyDict_New(); + PyList_SET_ITEM(ds, i, d); + + DICTSET_STR(d, "cf", rrd.rra_def[i].cf_nam); + DICTSET_CNT(d, "rows", rrd.rra_def[i].row_cnt); + DICTSET_CNT(d, "pdp_per_row", rrd.rra_def[i].pdp_cnt); + DICTSET_VAL(d, "xff", rrd.rra_def[i].par[RRA_cdp_xff_val].u_val); + + cdp = PyList_New(rrd.stat_head->ds_cnt); + PyDict_SetItemString(d, "cdp_prep", cdp); + Py_DECREF(cdp); + + for (j = 0; j < rrd.stat_head->ds_cnt; j++) { + PyObject *cdd; + + cdd = PyDict_New(); + PyList_SET_ITEM(cdp, j, cdd); + + DICTSET_VAL(cdd, "value", + rrd.cdp_prep[i*rrd.stat_head->ds_cnt+j].scratch[CDP_val].u_val); + DICTSET_CNT(cdd, "unknown_datapoints", + rrd.cdp_prep[i*rrd.stat_head->ds_cnt+j].scratch[CDP_unkn_pdp_cnt].u_cnt); + } + } + + rrd_free(&rrd); + + return r; +} + +/* List of methods defined in the module */ +#define meth(name, func, doc) {name, (PyCFunction)func, METH_VARARGS, doc} + +static struct PyMethodDef _rrdtool_methods[] = { + meth("create", PyRRD_create, PyRRD_create__doc__), + meth("update", PyRRD_update, PyRRD_update__doc__), + meth("fetch", PyRRD_fetch, PyRRD_fetch__doc__), + meth("graph", PyRRD_graph, PyRRD_graph__doc__), + meth("tune", PyRRD_tune, PyRRD_tune__doc__), + meth("last", PyRRD_last, PyRRD_last__doc__), + meth("resize", PyRRD_resize, PyRRD_resize__doc__), + meth("info", PyRRD_info, PyRRD_info__doc__), + {NULL, NULL}, +}; + +#define SET_INTCONSTANT(dict, value) \ + t = PyInt_FromLong((long)value); \ + PyDict_SetItemString(dict, #value, t); \ + Py_DECREF(t); +#define SET_STRCONSTANT(dict, value) \ + t = PyString_FromString(value); \ + PyDict_SetItemString(dict, #value, t); \ + Py_DECREF(t); + +/* Initialization function for the module */ +void +initrrdtool(void) +{ + PyObject *m, *d, *t; + + /* Create the module and add the functions */ + m = Py_InitModule("rrdtool", _rrdtool_methods); + + /* Add some symbolic constants to the module */ + d = PyModule_GetDict(m); + + SET_STRCONSTANT(d, __version__); + ErrorObject = PyErr_NewException("_rrdtool.error", NULL, NULL); + PyDict_SetItemString(d, "error", ErrorObject); + + /* Check for errors */ + if (PyErr_Occurred()) + Py_FatalError("can't initialize the rrdtool module"); +} + +/* + * $Id: _rrdtoolmodule.c,v 1.14 2003/02/22 07:41:19 perky Exp $ + * ex: ts=8 sts=4 et + */ diff --git a/bindings/python/setup.py b/bindings/python/setup.py new file mode 100644 index 0000000..91bb1f5 --- /dev/null +++ b/bindings/python/setup.py @@ -0,0 +1,55 @@ +#! /usr/bin/env python +# +# setup.py +# +# py-rrdtool distutil setup +# +# Author : Hye-Shik Chang +# Date : $Date: 2003/02/14 02:38:16 $ +# Created : 24 May 2002 +# +# $Revision: 1.7 $ +# +# ========================================================================== +# This file is part of py-rrdtool. +# +# py-rrdtool 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 of the License, or +# (at your option) any later version. +# +# py-rrdtool 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 Foobar; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# + +from distutils.core import setup, Extension +import sys, os + +RRDBASE = os.environ.get('LOCALBASE', '../../src') +library_dir = os.environ.get('LIBDIR', os.path.join(RRDBASE, 'lib')) +include_dir = os.environ.get('INCDIR', RRDBASE) + +setup(name = "py-rrdtool", + version = "0.2.1", + description = "Python Interface to RRDTool", + author = "Hye-Shik Chang", + author_email = "perky@fallin.lv", + license = "LGPL", + url = "http://people.ee.ethz.ch/~oetiker/webtools/rrdtool", + #packages = ['rrdtool'], + ext_modules = [ + Extension( + "rrdtoolmodule", + ["rrdtoolmodule.c"], + libraries=['rrd'], + library_dirs=[library_dir], + include_dirs=[include_dir], + ) + ] +) diff --git a/configure.ac b/configure.ac index 9c4b381..912e68b 100644 --- a/configure.ac +++ b/configure.ac @@ -385,6 +385,10 @@ AC_SUBST(TCL_SHLIB_SUFFIX) AC_SUBST(TCL_PACKAGE_PATH) AC_SUBST(TCL_LD_SEARCH_FLAGS) +dnl Check for python +AM_PATH_PYTHON(2.3) +AM_CHECK_PYTHON_HEADERS(,[AC_MSG_ERROR(could not find Python headers)]) + dnl Check for nroff @@ -431,6 +435,7 @@ AC_CONFIG_FILES([examples/shared-demo.pl \ src/Makefile \ bindings/Makefile \ bindings/tcl/Makefile \ + bindings/python/Makefile \ Makefile]) AC_CONFIG_COMMANDS([default],[[\ chmod +x examples/*.cgi examples/*.pl]],[[]]) @@ -460,6 +465,7 @@ echo " Perl Binary: $PERL" echo " Perl Version: $PERL_VERSION" echo " Perl Options: $PERL_MAKE_OPTIONS" echo " Tcl Config: $tcl_config" +echo " Python Version: $PYTHON_VERSION" echo " Build rrdcgi: $enable_rrdcgi" echo " Build librrd MT: $enable_pthread" echo diff --git a/rrdtool.spec b/rrdtool.spec index 82a2b82..ba69e62 100644 --- a/rrdtool.spec +++ b/rrdtool.spec @@ -42,6 +42,16 @@ Requires: %{name} = %{version} %description perl The RRD Tools Perl modules. +%package python +Summary: RRD Tool Python interface +Group: Applications/Databases +Requires: %{name} = %{version} python >= 2.3 + +%description python +The RRD Tools Python modules. + +%prep +%setup -q -n rrdtool-%{cvsdate} %prep %setup -q -n rrdtool-%{cvsdate} @@ -127,7 +137,12 @@ rm -rf %{buildroot} %{_mandir}/man1/RRDp.1* %{_mandir}/man1/RRDs.1* +%files python +%{_libdir}/python*/site-packages/* + %changelog +* Wed May 11 2005 Alan Milligan +- python support * Wed May 26 2004 Mike Slifcak 1.1.0-0.1.20040526 - package examples with rrdtool-perl (decouple Perl from main package) * Thu Apr 29 2004 Chris Adams 1.1.0-0.1.20040430 -- 2.11.0