mirror of
https://github.com/wiiu-env/ftpiiu_plugin.git
synced 2024-11-17 18:29:19 +01:00
significantly increase throughput
This commit is contained in:
mtheall
parent
a217c5a3b4
commit
38a2b11e86
204
source/ftp.c
204
source/ftp.c
@ -2,6 +2,7 @@
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#include <arpa/inet.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <malloc.h>
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#include <netinet/in.h>
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#include <poll.h>
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@ -14,7 +15,6 @@
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#ifdef _3DS
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#include <3ds.h>
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#else
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#include <fcntl.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#endif
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@ -36,6 +36,8 @@
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#endif
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#define POLL_UNKNOWN (~(POLLIN|POLLOUT))
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#define XFER_BUFFERSIZE 4096
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#define CMD_BUFFERSIZE 1024
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#define SOC_ALIGN 0x1000
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#define SOC_BUFFERSIZE 0x100000
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#define LISTEN_PORT 5000
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@ -110,8 +112,8 @@ struct ftp_session_t
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ftp_session_t *next; /*!< link to next session */
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ftp_session_t *prev; /*!< link to prev session */
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void (*transfer)(ftp_session_t*); /*! data transfer callback */
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char buffer[1024]; /*! persistent data between callbacks */
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int (*transfer)(ftp_session_t*); /*! data transfer callback */
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char buffer[XFER_BUFFERSIZE]; /*! persistent data between callbacks */
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size_t bufferpos; /*! persistent buffer position between callbacks */
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size_t buffersize; /*! persistent buffer size between callbacks */
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uint64_t filepos; /*! persistent file position between callbacks */
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@ -251,6 +253,34 @@ next_data_port(void)
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#endif
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}
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/*! set a socket to non-blocking
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*
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* @param[in] fd socket
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*
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* @returns error
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*/
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static int
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ftp_set_socket_nonblocking(int fd)
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{
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int rc, flags;
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flags = fcntl(fd, F_GETFL, 0);
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if(flags == -1)
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{
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console_print("fcntl: %s\n", strerror(SOC_GetErrno()));
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return -1;
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}
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rc = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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if(rc != 0)
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{
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console_print("fcntl: %s\n", strerror(SOC_GetErrno()));
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return -1;
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}
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return 0;
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}
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/*! close a socket
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*
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* @param[in] fd socket to close
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@ -654,6 +684,16 @@ ftp_session_set_state(ftp_session_t *session,
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}
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}
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static void
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ftp_session_transfer(ftp_session_t *session)
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{
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int rc;
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do
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{
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rc = session->transfer(session);
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} while(rc == 0);
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}
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__attribute__((format(printf,3,4)))
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/*! send ftp response to ftp session's peer
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*
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@ -669,7 +709,7 @@ ftp_send_response(ftp_session_t *session,
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int code,
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const char *fmt, ...)
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{
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static char buffer[1024];
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static char buffer[CMD_BUFFERSIZE];
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ssize_t rc, to_send;
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va_list ap;
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@ -823,7 +863,7 @@ ftp_session_new(int listen_fd)
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static int
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ftp_session_accept(ftp_session_t *session)
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{
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int new_fd;
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int rc, new_fd;
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struct sockaddr_in addr;
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socklen_t addrlen = sizeof(addr);
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@ -840,7 +880,16 @@ ftp_session_accept(ftp_session_t *session)
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if(new_fd < 0)
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{
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console_print("accept: %s\n", strerror(SOC_GetErrno()));
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ftp_session_close_pasv(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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rc = ftp_set_socket_nonblocking(new_fd);
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if(rc != 0)
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{
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ftp_closesocket(new_fd, 1);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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@ -872,8 +921,6 @@ ftp_session_connect(ftp_session_t *session)
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{
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int rc;
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if(session->flags & SESSION_PORT)
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{
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/* clear PORT flag */
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session->flags &= ~SESSION_PORT;
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@ -882,7 +929,6 @@ ftp_session_connect(ftp_session_t *session)
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if(session->data_fd < 0)
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{
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console_print("socket: %s\n", strerror(SOC_GetErrno()));
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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@ -894,24 +940,18 @@ ftp_session_connect(ftp_session_t *session)
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console_print("connect: %s\n", strerror(SOC_GetErrno()));
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ftp_closesocket(session->data_fd, 0);
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session->data_fd = -1;
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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rc = ftp_set_socket_nonblocking(session->data_fd);
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if(rc != 0)
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return -1;
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console_print("connected to %s:%u\n",
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inet_ntoa(session->peer_addr.sin_addr),
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ntohs(session->peer_addr.sin_port));
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/* tell peer that connection has been established */
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ftp_send_response(session, 150, "Ready\r\n");
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return 0;
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}
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else
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{
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/* peer didn't send PORT command */
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ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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return -1;
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}
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}
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/*! read command for ftp session
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@ -921,7 +961,7 @@ ftp_session_connect(ftp_session_t *session)
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static void
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ftp_session_read_command(ftp_session_t *session)
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{
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static char buffer[1024];
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static char buffer[CMD_BUFFERSIZE];
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ssize_t rc;
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char *args;
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ftp_command_t key, *command;
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@ -1071,7 +1111,7 @@ ftp_session_poll(ftp_session_t *session)
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ftp_send_response(session, 426, "Data connection failed\r\n");
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}
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else if(pollinfo.revents & (POLLIN|POLLOUT))
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session->transfer(session);
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ftp_session_transfer(session);
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break;
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}
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}
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@ -1380,7 +1420,7 @@ build_path(ftp_session_t *session,
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return 0;
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}
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static void
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static int
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list_transfer(ftp_session_t *session)
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{
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#ifdef _3DS
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@ -1402,7 +1442,7 @@ list_transfer(ftp_session_t *session)
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 450, "failed to read directory\r\n");
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return;
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return -1;
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}
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if(entries == 0)
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@ -1410,12 +1450,12 @@ list_transfer(ftp_session_t *session)
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 226, "OK\r\n");
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return;
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return -1;
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}
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convert_name(name, dent.name);
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if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
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return;
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return 0;
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session->buffersize =
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sprintf(session->buffer,
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@ -1431,11 +1471,11 @@ list_transfer(ftp_session_t *session)
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 226, "OK\r\n");
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return;
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return -1;
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}
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if(strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0)
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return;
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return 0;
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snprintf(session->buffer, sizeof(session->buffer),
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"%s/%s", session->cwd, dent->d_name);
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@ -1446,7 +1486,7 @@ list_transfer(ftp_session_t *session)
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 550, "unavailable\r\n");
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return;
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return -1;
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}
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session->buffersize =
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@ -1465,20 +1505,25 @@ list_transfer(ftp_session_t *session)
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if(rc <= 0)
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{
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if(rc < 0)
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{
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if(SOC_GetErrno() == EWOULDBLOCK)
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return -1;
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console_print("send: %s\n", strerror(SOC_GetErrno()));
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}
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else
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console_print("send: %s\n", strerror(ECONNRESET));
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return;
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return -1;
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}
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session->bufferpos += rc;
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return 0;
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}
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static void
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static int
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retrieve_transfer(ftp_session_t *session)
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{
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ssize_t rc;
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@ -1494,7 +1539,7 @@ retrieve_transfer(ftp_session_t *session)
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ftp_send_response(session, 451, "Failed to read file\r\n");
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else
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ftp_send_response(session, 226, "OK\r\n");
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return;
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return -1;
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}
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session->bufferpos = 0;
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@ -1506,20 +1551,25 @@ retrieve_transfer(ftp_session_t *session)
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if(rc <= 0)
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{
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if(rc < 0)
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{
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if(SOC_GetErrno() == EWOULDBLOCK)
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return -1;
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console_print("send: %s\n", strerror(SOC_GetErrno()));
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}
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else
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console_print("send: %s\n", strerror(ECONNRESET));
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return;
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return -1;
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}
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session->bufferpos += rc;
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return 0;
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}
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static void
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static int
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store_transfer(ftp_session_t *session)
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{
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ssize_t rc;
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@ -1530,7 +1580,11 @@ store_transfer(ftp_session_t *session)
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if(rc <= 0)
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{
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if(rc < 0)
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{
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if(SOC_GetErrno() == EWOULDBLOCK)
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return -1;
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console_print("recv: %s\n", strerror(SOC_GetErrno()));
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}
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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@ -1539,7 +1593,7 @@ store_transfer(ftp_session_t *session)
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ftp_send_response(session, 226, "OK\r\n");
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else
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return;
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return -1;
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}
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session->bufferpos = 0;
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@ -1552,10 +1606,11 @@ store_transfer(ftp_session_t *session)
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_send_response(session, 451, "Failed to write file\r\n");
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return;
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return -1;
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}
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session->bufferpos += rc;
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return 0;
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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@ -1707,14 +1762,6 @@ FTP_DECLARE(LIST)
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 425, "can't open data connection\r\n");
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}
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}
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else if(session->flags & SESSION_PASV)
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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else
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{
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_SEND;
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@ -1722,7 +1769,24 @@ FTP_DECLARE(LIST)
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session->transfer = list_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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return ftp_send_response(session, 150, "Ready\r\n");
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}
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else if(session->flags & SESSION_PASV)
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{
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_SEND;
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session->transfer = list_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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return 0;
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}
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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FTP_DECLARE(MKD)
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@ -2021,14 +2085,6 @@ FTP_DECLARE(RETR)
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 425, "can't open data connection\r\n");
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}
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}
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else if(session->flags & SESSION_PASV)
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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else
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{
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_SEND;
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@ -2036,7 +2092,24 @@ FTP_DECLARE(RETR)
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session->transfer = retrieve_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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return ftp_send_response(session, 150, "Ready\r\n");
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}
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else if(session->flags & SESSION_PASV)
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{
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_SEND;
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session->transfer = retrieve_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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return 0;
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}
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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FTP_DECLARE(RMD)
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@ -2122,7 +2195,7 @@ FTP_DECLARE(RNTO)
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#else
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int rc;
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#endif
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char buffer[1024];
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char buffer[XFER_BUFFERSIZE];
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console_print("%s %s\n", __func__, args ? args : "");
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@ -2133,7 +2206,7 @@ FTP_DECLARE(RNTO)
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session->flags &= ~SESSION_RENAME;
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memcpy(buffer, session->buffer, 1024);
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memcpy(buffer, session->buffer, XFER_BUFFERSIZE);
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if(build_path(session, args) != 0)
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return ftp_send_response(session, 554, "%s\r\n", strerror(errno));
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@ -2191,14 +2264,6 @@ FTP_DECLARE(STOR)
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 425, "can't open data connection\r\n");
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}
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}
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else if(session->flags & SESSION_PASV)
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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else
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{
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_RECV;
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@ -2206,7 +2271,24 @@ FTP_DECLARE(STOR)
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session->transfer = store_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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return ftp_send_response(session, 150, "Ready\r\n");
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}
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else if(session->flags & SESSION_PASV)
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{
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session->flags &= ~(SESSION_RECV|SESSION_SEND);
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session->flags |= SESSION_RECV;
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session->transfer = store_transfer;
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session->bufferpos = 0;
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session->buffersize = 0;
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ftp_session_set_state(session, DATA_CONNECT_STATE);
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return 0;
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}
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ftp_session_set_state(session, COMMAND_STATE);
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return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
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}
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FTP_DECLARE(STOU)
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|
||||
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Reference in New Issue
Block a user