Renamed command files.

1 files changed, 183 insertions, 0 deletions

diff --git a/httpd_commands.c b/httpd_commands.c
new file mode 100644
index 0000000..c77d7c8
--- /dev/null
+++ b/httpd_commands.c
@@ -0,0 +1,183 @@
+#include "commands.h"
+#include "music.h"
+#include "transcode.h"
+#include "decoder.h"
+#include "encoder.h"
+
+#include <glib.h>
+#include <string.h>
+#include <gio/gio.h>
+
+static void send_404(GSocketConnection *connection) {
+	GError *error = NULL;
+	GString *string = g_string_new(NULL);
+	g_string_append(string, "HTTP/1.1 404 Not Found\r\n");
+	g_string_append(string, "\r\n");
+
+	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);
+	}
+}
+
+static void commands_get_raw(GSocketConnection *connection, const gchar *cmd) {
+	GError *error = NULL;
+	gchar **data = g_strsplit(cmd, " ", 2);
+	g_assert(data[0] != NULL && data[1] != NULL);
+
+	gchar *path = g_strdup(data[1]);
+	g_strfreev(data);
+
+	struct file *f = music_find_file(path);
+
+	if(f == NULL) {
+		g_warning("couldn't find %s", path);
+		send_404(connection);
+		goto commands_get_raw_free_path;
+	}
+
+	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
+
+	gchar *full_path = music_get_full_path(path);
+	GFile *file = g_file_new_for_path(full_path);
+	g_free(full_path);
+
+	GFileInputStream *is = g_file_read(file, NULL, &error);
+
+	if(is == NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		goto commands_get_raw_file_unref;
+	}
+
+	GFileInfo *fi = g_file_query_info(file, G_FILE_ATTRIBUTE_STANDARD_SIZE,
+			G_FILE_QUERY_INFO_NONE, NULL, &error);
+
+	if(fi == NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		goto commands_get_raw_file_unref;
+	}
+
+	goffset filesize = g_file_info_get_size(fi);
+	g_object_unref(fi);
+
+	GString *string = g_string_new(NULL);
+	g_string_append(string, "HTTP/1.1 200 OK\r\n");
+	g_string_append(string, "content-type: application/octet-stream\r\n");
+	g_string_append_printf(string, "content-length: %lu\r\n", filesize);
+	g_string_append(string, "\r\n");
+
+	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);
+		goto commands_get_raw_file_unref;
+	}
+
+	g_string_free(string, TRUE);
+
+	gssize size = g_output_stream_splice(os, (GInputStream*)is,
+			G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE ||
+			G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
+			NULL, &error);
+	if(size == -1) {
+		g_warning(error->message);
+	} else {
+		g_debug("wrote %lu bytes of file data", size);
+	}
+
+commands_get_raw_file_unref:
+
+	g_object_unref(is);
+	g_object_unref(file);
+
+commands_get_raw_free_path:
+
+	g_free(path);
+}
+
+static void commands_get_mp3(GSocketConnection *connection, const gchar *cmd) {
+	GError *error = NULL;
+	gchar **data = g_strsplit(cmd, " ", 2);
+	g_assert(data[0] != NULL && data[1] != NULL);
+
+	gchar *path = g_strdup(data[1]);
+	g_strfreev(data);
+
+	struct file *f = music_find_file(path);
+
+	if(f == NULL) {
+		g_warning("couldn't find %s", path);
+		send_404(connection);
+		goto commands_get_mp3_free_path;
+	}
+
+	GOutputStream *os = g_io_stream_get_output_stream((GIOStream*)connection);
+
+	gchar *full_path = music_get_full_path(path);
+	GFile *file = g_file_new_for_path(full_path);
+	g_free(full_path);
+
+	GFileInputStream *is = g_file_read(file, NULL, &error);
+
+	if(is == NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		goto commands_get_mp3_file_unref;
+	}
+
+	GString *string = g_string_new(NULL);
+	g_string_append(string, "HTTP/1.1 200 OK\r\n");
+	g_string_append(string, "content-type: application/octet-stream\r\n");
+	g_string_append(string, "\r\n");
+
+	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);
+		goto commands_get_mp3_file_unref;
+	}
+
+	g_string_free(string, TRUE);
+
+	const struct decoder_plugin *decoder = decoder_find(path);
+	const struct encoder_plugin *encoder = encoder_get("lame");
+
+	if(decoder == NULL) {
+		g_warning("no suitable decoder found");
+		goto commands_get_mp3_file_unref;
+	} else {
+		g_debug("using decoder %s", decoder->name);
+	}
+
+	if(encoder == NULL) {
+		g_warning("no encoder found");
+		goto commands_get_mp3_file_unref;
+	}
+
+	transcode((GInputStream*)is, decoder, os, encoder);
+
+commands_get_mp3_file_unref:
+
+	g_object_unref(is);
+	g_object_unref(file);
+
+commands_get_mp3_free_path:
+	g_free(path);
+}
+
+void commands_handle(GSocketConnection *connection, const gchar *cmd) {
+	g_debug("handling command string %s", cmd);
+	if(g_ascii_strncasecmp(cmd, "/get_raw", 8) == 0) {
+		commands_get_raw(connection, cmd);
+	} else if(g_ascii_strncasecmp(cmd, "/get_mp3", 8) == 0) {
+		commands_get_mp3(connection, cmd);
+	} else {
+		g_warning("no command handlers found");
+	}
+}