diff options
Diffstat (limited to 'src/stream/test_stream_local.c')
| -rw-r--r-- | src/stream/test_stream_local.c | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/src/stream/test_stream_local.c b/src/stream/test_stream_local.c new file mode 100644 index 0000000..4da1258 --- /dev/null +++ b/src/stream/test_stream_local.c @@ -0,0 +1,386 @@ +/* + This file is part of GNUnet. + (C) 2011, 2012 Christian Grothoff (and other contributing authors) + + GNUnet is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3, or (at your + option) any later version. + + GNUnet is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GNUnet; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +/** + * @file stream/test_stream_local.c + * @brief Stream API testing between local peers + * @author Sree Harsha Totakura + */ + +#include <string.h> + +#include "platform.h" +#include "gnunet_util_lib.h" +#include "gnunet_mesh_service.h" +#include "gnunet_stream_lib.h" + +#define VERBOSE 1 + +/** + * Structure for holding peer's sockets and IO Handles + */ +struct PeerData +{ + /** + * Peer's stream socket + */ + struct GNUNET_STREAM_Socket *socket; + + /** + * Peer's io handle + */ + struct GNUNET_STREAM_IOHandle *io_handle; + + /** + * Bytes the peer has written + */ + unsigned int bytes_wrote; + + /** + * Byte the peer has read + */ + unsigned int bytes_read; +}; + +static struct GNUNET_OS_Process *arm_pid; +static struct PeerData peer1; +static struct PeerData peer2; +static struct GNUNET_STREAM_ListenSocket *peer2_listen_socket; + +static GNUNET_SCHEDULER_TaskIdentifier abort_task; +static GNUNET_SCHEDULER_TaskIdentifier test_task; +static GNUNET_SCHEDULER_TaskIdentifier read_task; + +static char *data = "ABCD"; +static int result; + +/** + * Shutdown nicely + */ +static void +do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_STREAM_close (peer1.socket); + GNUNET_STREAM_close (peer2.socket); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: shutdown\n"); + if (0 != abort_task) + { + GNUNET_SCHEDULER_cancel (abort_task); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: arm\n"); + if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM)) + { + GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill"); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Wait\n"); + GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (arm_pid)); + GNUNET_OS_process_close (arm_pid); +} + + +/** + * Something went wrong and timed out. Kill everything and set error flag + */ +static void +do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n"); + if (0 != test_task) + { + GNUNET_SCHEDULER_cancel (test_task); + } + if (0 != read_task) + { + GNUNET_SCHEDULER_cancel (read_task); + } + result = GNUNET_SYSERR; + abort_task = 0; + do_shutdown (cls, tc); +} + + +/** + * The write completion function; called upon writing some data to stream or + * upon error + * + * @param cls the closure from GNUNET_STREAM_write/read + * @param status the status of the stream at the time this function is called + * @param size the number of bytes read or written + */ +static void +write_completion (void *cls, + enum GNUNET_STREAM_Status status, + size_t size) +{ + struct PeerData *peer; + + peer = (struct PeerData *) cls; + GNUNET_assert (GNUNET_STREAM_OK == status); + GNUNET_assert (size < strlen (data)); + peer->bytes_wrote += size; + + if (peer->bytes_wrote < strlen(data)) /* Have more data to send */ + { + peer->io_handle = GNUNET_STREAM_write (peer->socket, + (void *) data, + strlen(data) - peer->bytes_wrote, + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &write_completion, + cls); + GNUNET_assert (NULL != peer->io_handle); + } + else + { + if (&peer1 == peer) /* Peer1 has finished writing; should read now */ + { + peer->io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) + peer->socket, + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &input_processor, + cls); + GNUNET_assert (NULL!=peer->io_handle); + } + } +} + + +/** + * Function executed after stream has been established + * + * @param cls the closure from GNUNET_STREAM_open + * @param socket socket to use to communicate with the other side (read/write) + */ +static void +stream_open_cb (void *cls, + struct GNUNET_STREAM_Socket *socket) +{ + struct PeerData *peer; + + peer = (struct PeerData *) cls; + peer->bytes_wrote = 0; + GNUNET_assert (socket == peer1.socket); + GNUNET_assert (socket == peer->socket); + peer->io_handle = GNUNET_STREAM_write (peer->socket, /* socket */ + (void *) data, /* data */ + strlen(data), + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &write_completion, + cls); + GNUNET_assert (NULL != peer->io_handle); +} + + +/** + * Input processor + * + * @param cls the closure from GNUNET_STREAM_write/read + * @param status the status of the stream at the time this function is called + * @param data traffic from the other side + * @param size the number of bytes available in data read + * @return number of bytes of processed from 'data' (any data remaining should be + * given to the next time the read processor is called). + */ +static size_t +input_processor (void *cls, + enum GNUNET_STREAM_Status status, + const void *input_data, + size_t size) +{ + struct PeerData *peer; + + peer = (struct PeerData *) cls; + + GNUNET_assert (GNUNET_STERAM_OK == status); + GNUNET_assert (size < strlen (data)); + GNUNET_assert (strncmp ((const char *) data + peer->bytes_read, + (const char *) input_data, + size)); + peer->bytes_read += size; + + if (peer->bytes_read < strlen (data)) + { + peer->io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) + peer->socket, + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &input_processor, + cls); + GNUNET_assert (NULL != peer->io_handle); + } + else + { + if (&peer2 == peer) /* Peer2 has completed reading; should write */ + { + peer->bytes_wrote = 0; + peer->io_handle = GNUNET_STREAM_write ((struct GNUNET_STREAM_Socket *) + peer->socket, + (void *) data, + strlen(data), + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &write_completion, + cls); + } + else /* Peer1 has completed reading. End of tests */ + { + GNUNET_SCHEDULER_add_now (&do_shutdown, NULL); + } + } + return size; +} + + +/** + * Scheduler call back; to be executed when a new stream is connected + * Called from listen connect for peer2 + */ +static void +stream_read (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + read_task = GNUNET_SCHEDULER_NO_TASK; + GNUNET_assert (NULL != cls); + peer2.bytes_read = 0; + GNUNET_STREAM_listen_close (peer2_listen_socket); /* Close listen socket */ + peer2.io_handle = GNUNET_STREAM_read ((struct GNUNET_STREAM_Socket *) cls, + GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 5), + &input_processor, + (void *) &peer2); + GNUNET_assert (NULL != peer2.io_handle); +} + + +/** + * Functions of this type are called upon new stream connection from other peers + * + * @param cls the closure from GNUNET_STREAM_listen + * @param socket the socket representing the stream + * @param initiator the identity of the peer who wants to establish a stream + * with us + * @return GNUNET_OK to keep the socket open, GNUNET_SYSERR to close the + * stream (the socket will be invalid after the call) + */ +static int +stream_listen_cb (void *cls, + struct GNUNET_STREAM_Socket *socket, + const struct GNUNET_PeerIdentity *initiator) +{ + GNUNET_assert (NULL != socket); + GNUNET_assert (NULL == initiator); /* Local peer=NULL? */ + GNUNET_assert (socket != peer1.socket); + + peer2.socket = socket; + read_task = GNUNET_SCHEDULER_add_now (&stream_read, (void *) socket); + return GNUNET_OK; +} + + +/** + * Testing function + */ +static void +test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + test_task = GNUNET_SCHEDULER_NO_TASK; + + /* Connect to stream library */ + peer1.socket = GNUNET_STREAM_open (NULL, /* Null for local peer? */ + 10, /* App port */ + &stream_open_cb, + (void *) &peer1); + GNUNET_assert (NULL != peer1.socket); + peer2_listen_socket = GNUNET_STREAM_listen (10 /* App port */ + &stream_listen_cb, + NULL); + GNUNET_assert (NULL != peer2_listen_socket); + +} + +/** + * Initialize framework and start test + */ +static void +run (void *cls, char *const *args, const char *cfgfile, + const struct GNUNET_CONFIGURATION_Handle *cfg) +{ + GNUNET_log_setup ("test_stream_local", +#if VERBOSE + "DEBUG", +#else + "WARNING", +#endif + NULL); + arm_pid = + GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-arm", + "gnunet-service-arm", +#if VERBOSE_ARM + "-L", "DEBUG", +#endif + "-c", "test_stream_local.conf", NULL); + + abort_task = + GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 20), &do_abort, + NULL); + + test_task = GNUNET_SCHEDULER_add_now (&test, (void *) cfg); + +} + +/** + * Main function + */ +int main (int argc, char **argv) +{ + int ret; + + char *const argv2[] = { "test-stream-local", + "-c", "test_stream.conf", +#if VERBOSE + "-L", "DEBUG", +#endif + NULL + }; + + struct GNUNET_GETOPT_CommandLineOption options[] = { + GNUNET_GETOPT_OPTION_END + }; + + ret = + GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2, + "test-stream-local", "nohelp", options, &run, NULL); + + if (GNUNET_OK != ret) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "run failed with error code %d\n", + ret); + return 1; + } + if (GNUNET_SYSERR == result) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "test failed\n"); + return 1; + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test ok\n"); + return 0; +} |