From 194c8e42f32f7a2321857aa7aa4d80b56a84d43f Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Mon, 21 Apr 2014 09:54:25 +1000
Subject: [PATCH] Begin parsing of a config file, storing btcd url, auth and
 pass

---
 src/ckpool.c    | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/generator.c |  7 ++++++-
 src/libckpool.h | 12 ++++++++++--
 3 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/src/ckpool.c b/src/ckpool.c
index c94bc928..1512cf84 100644
--- a/src/ckpool.c
+++ b/src/ckpool.c
@@ -158,6 +158,42 @@ static void sighandler(int sig)
 	exit(0);
 }
 
+static void json_get_string(char **store, json_t *val, const char *res)
+{
+	json_t *entry = json_object_get(val, res);
+	const char *buf;
+
+	*store = NULL;
+	if (json_is_null(entry)) {
+		LOGDEBUG("Json did not find entry %s", res);
+		return;
+	}
+	if (!json_is_string(entry)) {
+		LOGWARNING("Json entry %s is not string", res);
+		return;
+	}
+	buf = json_string_value(entry);
+	LOGDEBUG("Json found entry %s: %s", res, buf);
+	*store = strdup(buf);
+}
+
+static void parse_config(ckpool_t *ckp)
+{
+	json_error_t err_val;
+	json_t *json_conf;
+
+	json_conf = json_load_file(ckp->config, JSON_DISABLE_EOF_CHECK, &err_val);
+	if (!json_conf) {
+		LOGWARNING("Json decode error for config file %s: (%d): %s", ckp->config,
+			   err_val.line, err_val.text);
+		return;
+	}
+	json_get_string(&ckp->btcdurl, json_conf, "btcdurl");
+	json_get_string(&ckp->btcdauth, json_conf, "btcdauth");
+	json_get_string(&ckp->btcdpass, json_conf, "btcdpass");
+	json_decref(json_conf);
+}
+
 int main(int argc, char **argv)
 {
 	struct sigaction handler;
@@ -184,6 +220,10 @@ int main(int argc, char **argv)
 		}
 	}
 
+	if (!ckp.name)
+		ckp.name = strdup("ckpool");
+	if (!ckp.config)
+		ckp.config = strdup("ckpool.conf");
 	if (!ckp.socket_dir)
 		ckp.socket_dir = strdup("/tmp/ckpool");
 
@@ -196,6 +236,8 @@ int main(int argc, char **argv)
 	if (ret && errno != EEXIST)
 		quit(1, "Failed to make directory %s", ckp.socket_dir);
 
+	parse_config(&ckp);
+
 	ckp.main.ckp = &ckp;
 	ckp.main.processname = strdup("main");
 	ckp.main.sockname = strdup("listener");
diff --git a/src/generator.c b/src/generator.c
index cd77e3f5..14abf05a 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -7,13 +7,18 @@
  * any later version.  See COPYING for more details.
  */
 
+#include "config.h"
+
+#include <string.h>
+
 #include "ckpool.h"
 #include "libckpool.h"
 #include "generator.h"
 
 int generator(proc_instance_t *pi)
 {
-	LOGDEBUG("Process %s started", pi->processname);
+	connsock_t cs;
 
+	memset(&cs, 0, sizeof(cs));
 	return 0;
 }
\ No newline at end of file
diff --git a/src/libckpool.h b/src/libckpool.h
index fad3d077..ee8028f7 100644
--- a/src/libckpool.h
+++ b/src/libckpool.h
@@ -138,13 +138,21 @@ struct proc_instance {
 };
 
 struct ckpool_instance {
+	/* Main process name */
+	char *name;
+	/* Directory where sockets are created */
 	char *socket_dir;
+	/* Filename of config file */
 	char *config;
-	char *name;
 
-	/* Process instances of child processes */
+	/* Process instance data of parent/child processes */
 	proc_instance_t main;
 	proc_instance_t generator;
+
+	/* Bitcoind data */
+	char *btcdurl;
+	char *btcdauth;
+	char *btcdpass;
 };
 
 void create_pthread(pthread_t *thread, void *(*start_routine)(void *), void *arg);