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#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_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 && data[1] != NULL);
gchar *dirname = g_strdup(data[1]);
g_strfreev(data);
struct directory *directory = music_find_dir(dirname);
if(directory == NULL) {
g_warning("couldn't find directory %s", dirname);
send_404(connection);
return;
}
GString *list_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(list_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(list_string, "%s\n", f->name);
}
GString *string = g_string_new(NULL);
g_string_append(string, "HTTP/1.1 200 OK\r\n");
g_string_append(string, "content-type: text/plain\r\n");
g_string_append_printf(string, "content-length: %lu\r\n", list_string->len);
g_string_append(string, "\r\n");
g_string_append(string, list_string->str);
g_string_free(list_string, TRUE);
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_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, "/list", 5) == 0) {
commands_list(connection, cmd);
} else 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");
}
}
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