From 44f3e1486fb5fd45644683af83aaaf27047e4250 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Mon, 17 Aug 2009 13:53:58 +0200
Subject: Count lines per quarter hour for channels and users.

---
 channel.c |  1 +
 channel.h |  2 ++
 main.c    | 16 ++++++++++++++--
 user.c    |  3 ++-
 user.h    |  2 +-
 5 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/channel.c b/channel.c
index 45bbb71..c69cf2b 100644
--- a/channel.c
+++ b/channel.c
@@ -23,6 +23,7 @@ struct channel_t *channel_add(const char *name) {
 	struct channel_t *channel = &channels[channel_count-1];
 	channel->name = strdup(name);
 	channel->files = NULL;
+	memset(channel->hours, 0, 24*4 * sizeof(unsigned long));
 	return channel;
 }
 
diff --git a/channel.h b/channel.h
index 73f2dde..0335782 100644
--- a/channel.h
+++ b/channel.h
@@ -12,6 +12,8 @@ struct channel_file_t {
 struct channel_t {
 	char *name;
 	struct channel_file_t *files;
+
+	unsigned long hours[24*4];
 };
 
 void channel_init();
diff --git a/main.c b/main.c
index d32b091..8175dbe 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 
@@ -11,6 +12,7 @@
 #define NICK_BUFFER_SIZE 0x100
 #define TEXT_BUFFER_SIZE 0x400
 #define LINE_BUFFER_SIZE 0x400
+#define TIME_BUFFER_SIZE 0xf
 
 int main(int argc, char **argv) {
 	/* Regex sets must be initialized before config. */
@@ -48,11 +50,21 @@ int main(int argc, char **argv) {
 
 				rc = pcre_exec(rs->text, rs->text_e, line, strlen(line), 0, 0, ovector, 30);
 				if(rc > 0) {
-					char nick[NICK_BUFFER_SIZE], text[TEXT_BUFFER_SIZE];
+					char nick[NICK_BUFFER_SIZE], text[TEXT_BUFFER_SIZE], hour_s[TIME_BUFFER_SIZE], min_s[TIME_BUFFER_SIZE];
 					pcre_copy_named_substring(rs->text, line, ovector, rc, "nick", nick, NICK_BUFFER_SIZE);
 					pcre_copy_named_substring(rs->text, line, ovector, rc, "text", text, TEXT_BUFFER_SIZE);
+					pcre_copy_named_substring(rs->text, line, ovector, rc, "hour", hour_s, TIME_BUFFER_SIZE);
+					pcre_copy_named_substring(rs->text, line, ovector, rc, "minute", min_s, TIME_BUFFER_SIZE);
 					struct user_t *user = user_get(nick);
-					user->lines++;
+
+					/* Calculate array index for lines. */
+					int hour, min, time_i;
+					hour = atoi(hour_s);
+					min = atoi(min_s);
+					time_i = hour*4 + min / 15;
+
+					user->lines[time_i]++;
+					channel->hours[time_i]++;
 
 					/* Count words. */
 					char word[TEXT_BUFFER_SIZE];
diff --git a/user.c b/user.c
index a9e2927..aed1ea6 100644
--- a/user.c
+++ b/user.c
@@ -30,7 +30,8 @@ struct user_t *user_get(char *nick) {
 	if(!user->nick) {
 		user->hash = hash;
 		user->nick = strdup(nick);
-		user->lines = user->words = 0;
+		memset(user->lines, 0, 24*4 * sizeof(unsigned long));
+		user->words = 0;
 		user->next = NULL;
 	}
 
diff --git a/user.h b/user.h
index 0bf3686..042eb32 100644
--- a/user.h
+++ b/user.h
@@ -6,7 +6,7 @@
 struct user_t {
 	unsigned long hash;
 	char *nick;
-	unsigned long lines;
+	unsigned long lines[24*4];
 	unsigned long long words;
 	struct user_t *next;
 };
-- 
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