From 12135c8167590f1383608538539160447870eb4d Mon Sep 17 00:00:00 2001
From: Mark Spencer <markster@digium.com>
Date: Thu, 18 Oct 2001 15:18:45 +0000
Subject: [PATCH] Version 0.1.10 from FTP
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@373 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
cdr/cdr_csv.c | 253 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 253 insertions(+)
create mode 100755 cdr/cdr_csv.c
diff --git a/cdr/cdr_csv.c b/cdr/cdr_csv.c
new file mode 100755
index 0000000000..a46c9bfbbf
--- /dev/null
+++ b/cdr/cdr_csv.c
@@ -0,0 +1,253 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Comma Separated Value CDR records.
+ *
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License.
+ *
+ * Includes code and algorithms from the Zapata library.
+ *
+ */
+
+#include <asterisk/channel.h>
+#include <asterisk/cdr.h>
+#include <asterisk/module.h>
+#include <asterisk/logger.h>
+#include "../asterisk.h"
+
+#define CSV_LOG_DIR AST_LOG_DIR "/cdr-csv"
+#define CSV_MASTER CSV_LOG_DIR "/Master.csv"
+
+#define DATE_FORMAT "%Y-%m-%d %T"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+/* The values are as follows:
+
+
+ "accountcode",
+ "source",
+ "destination",
+ "destination context",
+ "callerid",
+ "channel",
+ "destination channel", (if applicable)
+ "last application",
+ "last app argument",
+ "start time",
+ "answer time",
+ "end time",
+ duration,
+ billable seconds,
+ "disposition",
+ "amaflags",
+
+*/
+
+static char *desc = "Comma Separated Values CDR Backend";
+
+static char *name = "csv";
+
+static FILE *mf = NULL;
+
+static int append_string(char *buf, char *s, int len)
+{
+ int pos = strlen(buf);
+ int spos = 0;
+ int error = 0;
+ if (pos >= len - 4)
+ return -1;
+ buf[pos++] = '\"';
+ error = -1;
+ while(pos < len - 3) {
+ if (!s[spos]) {
+ error = 0;
+ break;
+ }
+ if (s[spos] == '\"')
+ buf[pos++] = '\"';
+ buf[pos++] = s[spos];
+ spos++;
+ }
+ buf[pos++] = '\"';
+ buf[pos++] = ',';
+ buf[pos++] = '\0';
+ return error;
+}
+
+static int append_int(char *buf, int s, int len)
+{
+ char tmp[32];
+ int pos = strlen(buf);
+ snprintf(tmp, sizeof(tmp), "%d", s);
+ if (pos + strlen(tmp) > len - 3)
+ return -1;
+ strncat(buf, tmp, len);
+ pos = strlen(buf);
+ buf[pos++] = ',';
+ buf[pos++] = '\0';
+ return 0;
+}
+
+static int append_date(char *buf, struct timeval tv, int len)
+{
+ char tmp[80];
+ struct tm *tm;
+ time_t t;
+ t = tv.tv_sec;
+ if (strlen(buf) > len - 3)
+ return -1;
+ if (!tv.tv_sec && !tv.tv_usec) {
+ strncat(buf, ",", len);
+ return 0;
+ }
+ tm = localtime(&t);
+ strftime(tmp, sizeof(tmp), DATE_FORMAT, tm);
+ return append_string(buf, tmp, len);
+}
+
+static int build_csv_record(char *buf, int len, struct ast_cdr *cdr)
+{
+ buf[0] = '\0';
+ /* Account code */
+ append_string(buf, cdr->accountcode, len);
+ /* Source */
+ append_string(buf, cdr->src, len);
+ /* Destination */
+ append_string(buf, cdr->dst, len);
+ /* Destination context */
+ append_string(buf, cdr->dcontext, len);
+ /* Caller*ID */
+ append_string(buf, cdr->clid, len);
+ /* Channel */
+ append_string(buf, cdr->channel, len);
+ /* Destination Channel */
+ append_string(buf, cdr->dstchannel, len);
+ /* Last Application */
+ append_string(buf, cdr->lastapp, len);
+ /* Last Data */
+ append_string(buf, cdr->lastdata, len);
+ /* Start Time */
+ append_date(buf, cdr->start, len);
+ /* Answer Time */
+ append_date(buf, cdr->answer, len);
+ /* End Time */
+ append_date(buf, cdr->end, len);
+ /* Duration */
+ append_int(buf, cdr->duration, len);
+ /* Billable seconds */
+ append_int(buf, cdr->billsec, len);
+ /* Disposition */
+ append_string(buf, ast_cdr_disp2str(cdr->disposition), len);
+ /* AMA Flags */
+ append_string(buf, ast_cdr_flags2str(cdr->amaflags), len);
+
+ /* If we hit the end of our buffer, log an error */
+ if (strlen(buf) < len - 5) {
+ /* Trim off trailing comma */
+ buf[strlen(buf) - 1] = '\0';
+ strncat(buf, "\n", len);
+ return 0;
+ }
+ return -1;
+}
+
+static int writefile(char *s, char *acc)
+{
+ char tmp[256];
+ FILE *f;
+ if (strchr(acc, '/') || (acc[0] == '.')) {
+ ast_log(LOG_WARNING, "Account code '%s' insecure for writing file\n", acc);
+ return -1;
+ }
+ snprintf(tmp, sizeof(tmp), "%s/%s.csv", CSV_LOG_DIR, acc);
+ f = fopen(tmp, "a");
+ if (!f)
+ return -1;
+ fputs(s, f);
+ fclose(f);
+ return 0;
+}
+
+
+static int csv_log(struct ast_cdr *cdr)
+{
+ /* Make sure we have a big enough buf */
+ char buf[1024];
+#if 0
+ printf("[CDR] %s ('%s' -> '%s') Dur: %ds Bill: %ds Disp: %s Flags: %s Account: [%s]\n", cdr->channel, cdr->src, cdr->dst, cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition), ast_cdr_flags2str(cdr->amaflags), cdr->accountcode);
+#endif
+ if (build_csv_record(buf, sizeof(buf), cdr)) {
+ ast_log(LOG_WARNING, "Unable to create CSV record in %d bytes. CDR not recorded!\n", sizeof(buf));
+ } else {
+ /* because of the absolutely unconditional need for the
+ highest reliability possible in writing billing records,
+ we open write and close the log file each time */
+ mf = fopen(CSV_MASTER, "a");
+ if (!mf) {
+ ast_log(LOG_ERROR, "Unable to re-open master file %s\n", CSV_MASTER);
+ }
+ if (mf) {
+ fputs(buf, mf);
+ fflush(mf); /* be particularly anal here */
+ fclose(mf);
+ mf = NULL;
+ }
+ if (strlen(cdr->accountcode)) {
+ if (writefile(buf, cdr->accountcode))
+ ast_log(LOG_WARNING, "Unable to write CSV record to account file '%s'\n", cdr->accountcode);
+ }
+ }
+ return 0;
+}
+
+char *description(void)
+{
+ return desc;
+}
+
+int unload_module(void)
+{
+ if (mf)
+ fclose(mf);
+ ast_cdr_unregister(name);
+ return 0;
+}
+
+int load_module(void)
+{
+ int res;
+
+ res = ast_cdr_register(name, desc, csv_log);
+ if (res) {
+ ast_log(LOG_ERROR, "Unable to register CSV CDR handling\n");
+ if (mf)
+ fclose(mf);
+ }
+ return res;
+}
+
+int reload(void)
+{
+ return 0;
+}
+
+int usecount(void)
+{
+ return 0;
+}
+
+char *key()
+{
+ return ASTERISK_GPL_KEY;
+}
--
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