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#include "server_communication.h"
#include "music.h"
#include <gio/gio.h>
#include <string.h>
enum connection_type {
SERVER_CONNECTION_TYPE_HTTP,
SERVER_CONNECTION_TYPE_COMMAND,
};
static GSocket *server_connect(struct server *server, const enum connection_type type, GError **error) {
GError *conn_error = NULL;
GSocketConnectable *addr;
GSocketAddressEnumerator *enumerator;
GSocketAddress *sockaddr;
GSocketConnection *conn = NULL;
GSocketClient *client;
guint16 port;
switch(type) {
case SERVER_CONNECTION_TYPE_HTTP:
port = server->http_port;
break;
case SERVER_CONNECTION_TYPE_COMMAND:
port = server->command_port;
break;
}
addr = g_network_address_new(server->host, port);
enumerator = g_socket_connectable_enumerate(addr);
g_object_unref(addr);
client = g_socket_client_new();
while(conn == NULL && (sockaddr = g_socket_address_enumerator_next(enumerator, NULL, error))) {
conn = g_socket_client_connect(client, (GSocketConnectable*)sockaddr, NULL, &conn_error);
g_object_unref(sockaddr);
}
if(conn != NULL) {
if(conn_error != NULL) {
g_error_free(conn_error);
}
return g_socket_connection_get_socket(conn);
} else if(*error != NULL) {
if(conn_error != NULL) {
g_error_free(conn_error);
}
return NULL;
} else {
g_propagate_error(error, conn_error);
return NULL;
}
}
static GSocket *server_connect_http(struct server *server, GError **error) {
return server_connect(server, SERVER_CONNECTION_TYPE_HTTP, error);
}
static GSocket *server_connect_command(struct server *server, GError **error) {
return server_connect(server, SERVER_CONNECTION_TYPE_COMMAND, error);
}
gboolean server_ping(struct server *server, GError **error) {
GTimer *timer = g_timer_new();
GSocket *socket = server_connect_command(server, error);
if(socket == NULL) {
return FALSE;
}
gboolean result = FALSE;
g_socket_send(socket, "ping\n", 5, NULL, NULL);
gchar buffer[0x400];
gssize size = g_socket_receive(socket, buffer, 0x400, NULL, NULL);
if(size == 5 && strncmp(buffer, "pong", 4) == 0) {
g_debug("ping response: %f ms", g_timer_elapsed(timer, NULL) * 1000);
result = TRUE;
}
g_timer_destroy(timer);
g_socket_close(socket, NULL);
return result;
}
static gchar **server_get_stringlist(struct server *server, const gchar *cmd, GError **error) {
GSocket *socket = server_connect_command(server, error);
if(socket == NULL) {
return NULL;
}
g_socket_send(socket, cmd, strlen(cmd), NULL, NULL);
gchar buffer[0x400];
gssize size;
GString *string = g_string_new(NULL);
while((size = g_socket_receive(socket, buffer, 0x400, NULL, NULL)) > 0) {
g_string_append_len(string, buffer, size);
}
g_socket_close(socket, NULL);
gchar **data = g_strsplit(string->str, "\n", 0);
g_string_free(string, TRUE);
return data;
}
gchar **server_find(struct server *server, const gchar *type, const gchar *str, GError **error) {
gchar *cmd = g_strdup_printf("findl %s %s\nexit\n", type, str);
gchar **data = server_get_stringlist(server, cmd, error);
g_free(cmd);
return data;
}
gchar **server_list(struct server *server, const gchar *directory, GError **error) {
gchar *cmd = g_strdup_printf("list %s\nexit\n", directory);
gchar **data = server_get_stringlist(server, cmd, error);
g_free(cmd);
return data;
}
gboolean server_get(struct server *server, const gchar *type,
const gchar *localfile, const gchar *remotefile, GError **error) {
GSocket *socket = server_connect_http(server, error);
if(socket == NULL) {
return FALSE;
}
gchar *cmd = g_strdup_printf("GET /get_%s %s HTTP/1.1\r\n\r\n", type, remotefile);
g_socket_send(socket, cmd, strlen(cmd), NULL, NULL);
GSocketConnection *connection = g_socket_connection_factory_create_connection(socket);
GDataInputStream *input = g_data_input_stream_new(g_io_stream_get_input_stream((GIOStream*)connection));
g_data_input_stream_set_newline_type(input, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
gchar *line = NULL;
gsize size;
while((line = g_data_input_stream_read_line(input, &size, NULL, error)) != NULL) {
g_debug(line);
if(size == 0) {
break;
}
}
if(*error != NULL) {
return FALSE;
}
GFile *file = g_file_new_for_path(localfile);
GFileOutputStream *output = g_file_replace(file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, error);
if(output == NULL) {
return FALSE;
}
g_output_stream_splice((GOutputStream*)output, (GInputStream*)input,
G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
NULL, error);
g_object_unref(input);
g_object_unref(output);
g_object_unref(file);
g_object_unref(connection);
g_object_unref(socket);
if(*error != NULL) {
return FALSE;
}
return TRUE;
}
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