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path: root/commands.c
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#include "commands.h"
#include "music.h"

#include <string.h>

static void commands_list(GSocketConnection *connection, const gchar *cmd) {
	GError *error = NULL;
	gchar **data = g_strsplit(cmd, " ", 2);
	for(gint i = 0; data[i]; i++) {
		g_debug("\tdata[%d] = %s", i, data[i]);
	}
	g_assert(data[0] != NULL);

	gchar *dirname;
	if(data[1] != NULL) {
		dirname = g_strdup(data[1]);
	} else {
		dirname = "/";
	}

	g_strfreev(data);

	struct directory *directory = music_find_dir(dirname);
	if(directory == NULL) {
		g_warning("couldn't find directory %s", dirname);
		gchar *buf = g_strdup_printf("error: couldn't find directory %s\n", dirname);
		GSocket *socket = g_socket_connection_get_socket(connection);
		g_socket_send(socket, buf, strlen(buf), NULL, NULL);
		g_free(buf);
		return;
	}

	GString *string = g_string_new(NULL);

	for(GSList *node = directory->sub; node; node = g_slist_next(node)) {
		struct directory *d = node->data;
		gchar *name = g_path_get_basename(d->path);
		g_string_append_printf(string, "%s\n", name);
		g_free(name);
	}

	for(GSList *node = directory->files; node; node = g_slist_next(node)) {
		struct file *f = node->data;
		g_string_append_printf(string, "%s\n", f->name);
	}

	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
	if(g_output_stream_write_all(os, string->str, string->len, NULL, NULL,
			&error) == FALSE) {
		g_warning(error->message);
		g_error_free(error);
	}

	g_string_free(string, TRUE);
}

static void commands_find(GSocketConnection *connection, const gchar *cmd) {
	GError *error = NULL;
	gchar **data = g_strsplit(cmd, " ", 3);

	if(g_strv_length(data) != 3) {
		const gchar *buf = "syntax: find (artist) search\n";
		GSocket *socket = g_socket_connection_get_socket(connection);
		g_socket_send(socket, buf, strlen(buf), NULL, NULL);
		return;
	}

	GSList *list = NULL;
	g_debug("strlen(%s) == %d", data[1], strlen(data[1]));
	if(g_ascii_strcasecmp(data[1], "artist") == 0) {
		g_debug("artist search");
		list = music_find_artist(data[2]);
	} else {
		g_debug("unknown search");
	}

	GString *string = g_string_new(NULL);
	for(GSList *node = list; node; node = g_slist_next(node)) {
		struct file *f = node->data;
		gchar *relpath = g_build_filename(f->parent->path +
				strlen(music_root->path), f->name, NULL);
		g_string_append_printf(string, "%s\n", relpath);
		g_free(relpath);
	}
	g_slist_free(list);

	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
	if(g_output_stream_write_all(os, string->str, string->len, NULL, NULL,
				&error) == FALSE) {
		g_warning(error->message);
		g_error_free(error);
	}
	g_string_free(string, TRUE);
}

static void commands_ping(GSocketConnection *connection, const gchar *cmd) {
	GError *error = NULL;
	GSocket *socket = g_socket_connection_get_socket(connection);
	if(g_socket_send(socket, "pong\n", 5, NULL, NULL) == -1) {
		g_warning(error->message);
		g_error_free(error);
	}
}

static void commands_exit(GSocketConnection *connection, const gchar *cmd) {
	GSocket *socket = g_socket_connection_get_socket(connection);
	g_socket_close(socket, NULL);
}

void commands_handle(GSocketConnection *connection, const gchar *cmd) {
	g_debug(cmd);
	if(g_strncasecmp(cmd, "ping", 4) == 0) {
		commands_ping(connection, cmd);
	} else if(g_strncasecmp(cmd, "list", 4) == 0) {
		commands_list(connection, cmd);
	} else if(g_strncasecmp(cmd, "find", 4) == 0) {
		commands_find(connection, cmd);
	} else if(g_strncasecmp(cmd, "exit", 4) == 0) {
		commands_exit(connection, cmd);
	} else {
		g_debug("unknown command");
		gchar *buf = g_strdup_printf("error: unknown command %s\n", cmd);
		GSocket *socket = g_socket_connection_get_socket(connection);
		g_socket_send(socket, buf, strlen(buf), NULL, NULL);
		g_free(buf);
	}
}