Merge branch '32-settingsv2'

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

2 files changed, 109 insertions, 0 deletions

diff --git a/src/daemon/settings.c b/src/daemon/settings.c
index 0fb1648..2b07b98 100644
--- a/src/daemon/settings.c
+++ b/src/daemon/settings.c
@@ -21,7 +21,13 @@
 
 #define _GNU_SOURCE
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 #include <errno.h>
 #include "settings.h"
 #include "settings_private.h"
@@ -39,6 +45,11 @@ void settings_init(void)
 	settings.im_user = "user";
 	settings.im_password = "password";
 	settings.im_proto = "prpl-irc";
+#define macro2str(a) _macro2str(a)
+#define _macro2str(a) #a
+	setting_readconf("/" macro2str(SYSCONFDIR) "/usurpation.conf");
+#undef macro2str
+#undef _macro2str
 }
 
 int setting_detach(void)
@@ -96,3 +107,86 @@ static void unset_flag(unsigned int flag)
 {
 	settings.flags &= ~flag;
 }
+
+/* TODO: semi-stub! */
+static int setting_readconf(const char * const path)
+{
+	struct stat filestat;
+	char *buf;
+	char *line;
+	char *entry;
+	char *value;
+	char *line_state;
+	char *token_state;
+	int fd;
+
+
+	if ((fd = open(path, O_RDONLY)) == -1) {
+		if (USURP_VERBOSITY >= 2) {
+			perror("error while opening the configuration file");
+			return 1;
+		}
+	}
+
+	fstat(fd, &filestat);
+	buf = malloc(filestat.st_size);
+
+	if (read(fd, buf, filestat.st_size) != filestat.st_size) {
+		if (USURP_VERBOSITY >= 2) {
+			perror("partial read of configuration file detected");
+			free(buf);
+			return 1;
+		}
+	}
+
+	line = strtok_r(buf, "\n", &line_state);
+
+	while (line) {
+		if (line[0] != '#') {
+			entry = strtok_r(line, "=", &token_state);
+			value = strtok_r(NULL, "=", &token_state);
+			setting_handle_config_entry(entry, value);
+		}
+
+		line = strtok_r(NULL, "\n", &line_state);
+	}
+
+	free(buf);
+
+	return 0;
+}
+
+static int setting_handle_config_entry(const char * const entry, const char * const value)
+{
+	size_t i;
+
+	for (i = 0; i < sizeof(ent_table)/sizeof(*ent_table); ++i) {
+		if (!(strcmp(entry, ent_table[i].name))) {
+			ent_table[i].set(value);
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+static void set_daemonize(const void * const arg)
+{
+	const char * const a = arg;
+
+	atoi(a) ? set_flag(flag_daemonize) : unset_flag(flag_daemonize);
+}
+
+static void set_port(const void * const arg)
+{
+	const char * const a = arg;
+
+	settings.port = strtoul(a, NULL, 0);
+}
+
+static void set_verbosity(const void * const arg)
+{
+	const char * const a = arg;
+
+	settings.verboselevel = strtol(a, NULL, 0);
+}
diff --git a/src/daemon/settings_private.h b/src/daemon/settings_private.h
index 33a1543..0b0680e 100644
--- a/src/daemon/settings_private.h
+++ b/src/daemon/settings_private.h
@@ -38,8 +38,23 @@ static struct settings {
 	char *im_proto;
 } settings;
 
+struct entry_description {
+	const char * const name;
+	void (*set)(const void * const);
+};
+
 static int test_flag(unsigned int flag);
 static void set_flag(unsigned int flag);
 static void unset_flag(unsigned int flag);
+static int setting_readconf(const char * const path);
+static int setting_handle_config_entry(const char * const entry, const char * const value);
+
+static void set_daemonize(const void * const arg);
+static void set_port(const void * const arg);
+static void set_verbosity(const void * const arg);
+
+struct entry_description ent_table[] = {{ "daemonize",	set_daemonize },
+					{ "port",	set_port },
+					{ "verbosity",	set_verbosity }};
 
 #endif /* USURPATION_SETTINGS_PRIVATE_H */