-/*\r
- This file is part of GNUnet.\r
+/*
+ This file is part of GNUnet.
(C) 2010 Christian Grothoff (and other contributing authors)
-\r
- GNUnet is free software; you can redistribute it and/or modify\r
- it under the terms of the GNU General Public License as published\r
- by the Free Software Foundation; either version 3, or (at your\r
+
+ 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.
-\r
- GNUnet is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of\r
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+
+ 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.
-\r
- You should have received a copy of the GNU General Public License\r
- along with GNUnet; see the file COPYING. If not, write to the\r
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,\r
- Boston, MA 02111-1307, USA.\r
- */\r
-/**\r
- * @file transport/test_transport_wlan_dummy.c\r
- * @brief helper for the testcase for plugin_transport_wlan.c\r
- * @author David Brodski\r
- */\r
-\r
-#include "platform.h"\r
-#include "gnunet_constants.h"\r
-#include "gnunet_os_lib.h"\r
-#include "gnunet_transport_plugin.h"\r
-#include "transport.h"\r
-#include "plugin_transport_wlan.h"\r
-#include "gnunet_common.h"\r
-#include "gnunet-transport-wlan-helper.h"\r
-\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <sys/stat.h>\r
-\r
-#define FIFO_FILE1 "MYFIFOin"\r
-#define FIFO_FILE2 "MYFIFOout"\r
-#define MAXLINE 5000\r
-\r
-int closeprog = 0;\r
-\r
-void sigfunc(int sig)\r
-{\r
-\r
- if(sig != SIGINT || sig != SIGTERM || sig != SIGKILL)\r
- return;\r
- else\r
- {\r
- closeprog = 1;\r
- }\r
-}\r
-\r
-\r
-\r
-int\r
-main(int argc, char *argv[])\r
-{\r
- struct stat st;\r
- int erg;\r
- int first;\r
- FILE *fpin;\r
- FILE *fpout;\r
- pid_t pid;\r
-\r
- signal(SIGINT,sigfunc);\r
- signal(SIGTERM,sigfunc);\r
- signal(SIGKILL,sigfunc);\r
-\r
- //make the fifos if needed\r
- if (stat(FIFO_FILE1, &st) != 0)\r
- {\r
- if (stat(FIFO_FILE2, &st) != 0)\r
- {\r
- perror("FIFO 2 exists, but FIFO 1 not");\r
- exit(1);\r
- }\r
- first = 1;\r
- umask(0);\r
- erg = mknod(FIFO_FILE1, S_IFIFO | 0666, 0);\r
- erg = mknod(FIFO_FILE2, S_IFIFO | 0666, 0);\r
-\r
- if ((fpin = fopen(FIFO_FILE1, "r")) == NULL)\r
- {\r
- perror("fopen");\r
- exit(1);\r
- }\r
- if ((fpout = fopen(FIFO_FILE2, "w")) == NULL)\r
- {\r
- perror("fopen");\r
- exit(1);\r
- }\r
- }\r
- else\r
- {\r
- first = 0;\r
- if (stat(FIFO_FILE2, &st) == 0)\r
- {\r
- perror("FIFO 1 exists, but FIFO 2 not");\r
- exit(1);\r
- }\r
- if ((fpout = fopen(FIFO_FILE1, "w")) == NULL)\r
- {\r
- perror("fopen");\r
- exit(1);\r
- }\r
- if ((fpin = fopen(FIFO_FILE2, "r")) == NULL)\r
- {\r
- perror("fopen");\r
- exit(1);\r
- }\r
-\r
- }\r
-\r
- // fork\r
-\r
- if ((pid = fork()) < 0)\r
- {\r
- perror("FORK ERROR");\r
- return -3;\r
- }\r
- else if (pid == 0) // CHILD PROCESS\r
- {\r
- int rv = 0;\r
- int readc = 0;\r
- int pos = 0;\r
- char line[MAXLINE];\r
-\r
- while (closeprog == 0)\r
- {\r
- readc = 0;\r
-\r
- while (readc < sizeof( struct RadiotapHeader) + sizeof(struct GNUNET_MessageHeader)){\r
- if ((rv = read(STDIN_FILENO, line, MAXLINE)) < 0)\r
- {\r
- perror("READ ERROR FROM STDIN");\r
- }\r
- readc += rv;\r
- }\r
-\r
- pos = 0;\r
-\r
- fwrite(&line[pos], 1, sizeof(struct GNUNET_MessageHeader), fpout);\r
-\r
- pos += sizeof(struct GNUNET_MessageHeader);\r
-\r
- //do not send radiotap header\r
- pos += sizeof( struct RadiotapHeader);\r
-\r
- while (pos < readc)\r
- {\r
- pos += fwrite(&line[pos], 1, readc - pos, fpout);\r
- }\r
- }\r
-\r
-\r
- //clean up\r
- fclose(fpout);\r
- }\r
- else // PARENT PROCESS\r
- {\r
- int rv = 0;\r
- ssize_t pos = 0;\r
- char line[MAXLINE];\r
-\r
- while (closeprog == 0)\r
- {\r
- if ((rv = fread(line, 1, MAXLINE, fpin)) < 0)\r
- {\r
- perror("READ ERROR FROM STDIN");\r
- }\r
-\r
- pos = 0;\r
- while (pos < rv)\r
- {\r
- pos += write(STDOUT_FILENO, &line[pos], rv - pos);\r
- }\r
- }\r
-\r
-\r
- //clean up\r
- fclose(fpin);\r
-\r
- if (first == 1)\r
- {\r
- unlink(FIFO_FILE1);\r
- unlink(FIFO_FILE2);\r
- }\r
- }\r
-\r
- // Write the input to the output\r
-\r
- return (0);\r
-}\r
-\r
+
+ 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 transport/test_transport_wlan_dummy.c
+ * @brief helper for the testcases for plugin_transport_wlan.c
+ * @author David Brodski
+ */
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <errno.h>
+#include <resolv.h>
+#include <string.h>
+#include <utime.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#include "platform.h"
+#include "gnunet_constants.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_transport_plugin.h"
+#include "transport.h"
+#include "gnunet_util_lib.h"
+#include "plugin_transport_wlan.h"
+#include "gnunet_common.h"
+//#include "gnunet-transport-wlan-helper.h"
+#include "gnunet_crypto_lib.h"
+#include "wlan/loopback_helper.h"
+#include "wlan/helper_common.h"
+
+static int first;
+
+static void
+sigfunc (int sig)
+{
+ closeprog = 1;
+ unlink (FIFO_FILE1);
+ unlink (FIFO_FILE2);
+}
+
+static void
+stdin_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
+{
+ struct sendbuf *write_pout = cls;
+ int sendsize;
+ struct GNUNET_MessageHeader newheader;
+ char *to_data;
+ char *to_radiotap;
+ char *to_start;
+
+ sendsize =
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) +
+ sizeof (struct Radiotap_rx);
+
+ if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
+ {
+ fprintf (stderr, "Function stdin_send: wrong packet type\n");
+ exit (1);
+ }
+ if ((sendsize + write_pout->size) > MAXLINE * 2)
+ {
+ fprintf (stderr, "Function stdin_send: Packet too big for buffer\n");
+ exit (1);
+ }
+
+ newheader.size = htons (sendsize);
+ newheader.type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
+
+ to_start = write_pout->buf + write_pout->size;
+ memcpy (to_start, &newheader, sizeof (struct GNUNET_MessageHeader));
+ write_pout->size += sizeof (struct GNUNET_MessageHeader);
+
+ to_radiotap = to_start + sizeof (struct GNUNET_MessageHeader);
+ memset (to_radiotap, 0, sizeof (struct Radiotap_rx));
+ write_pout->size += sizeof (struct Radiotap_rx);
+
+ to_data = to_radiotap + sizeof (struct Radiotap_rx);
+ memcpy (to_data,
+ ((char *) hdr) + sizeof (struct Radiotap_Send) +
+ sizeof (struct GNUNET_MessageHeader),
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
+ sizeof (struct GNUNET_MessageHeader));
+ write_pout->size +=
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
+ sizeof (struct GNUNET_MessageHeader);
+}
+
+static void
+file_in_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
+{
+ struct sendbuf *write_std = cls;
+ uint16_t sendsize;
+
+ sendsize = ntohs (hdr->size);
+
+ if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
+ {
+ fprintf (stderr, "Function file_in_send: wrong packet type\n");
+ exit (1);
+ }
+ if ((sendsize + write_std->size) > MAXLINE * 2)
+ {
+ fprintf (stderr, "Function file_in_send: Packet too big for buffer\n");
+ exit (1);
+ }
+
+ memcpy (write_std->buf + write_std->size, hdr, sendsize);
+ write_std->size += sendsize;
+}
+
+int closeprog;
+
+
+int
+testmode (int argc, char *argv[])
+{
+ struct stat st;
+ int erg;
+
+ FILE *fpin = NULL;
+ FILE *fpout = NULL;
+
+ int fdpin;
+ int fdpout;
+
+ //make the fifos if needed
+ if (0 != stat (FIFO_FILE1, &st))
+ {
+ if (0 == stat (FIFO_FILE2, &st))
+ {
+ fprintf (stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");
+ exit (1);
+ }
+
+ umask (0);
+ //unlink(FIFO_FILE1);
+ //unlink(FIFO_FILE2);
+ // FIXME: use mkfifo!
+ erg = mkfifo (FIFO_FILE1, 0666);
+ if (0 != erg)
+ {
+ fprintf (stderr, "Error at mkfifo1: %s\n", strerror (errno));
+ //exit(1);
+ }
+ erg = mkfifo (FIFO_FILE2, 0666);
+ if (0 != erg)
+ {
+ fprintf (stderr, "Error at mkfifo2: %s\n", strerror (errno));
+ //exit(1);
+ }
+
+ }
+ else
+ {
+
+ if (0 != stat (FIFO_FILE2, &st))
+ {
+ fprintf (stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");
+ exit (1);
+ }
+
+ }
+
+ if (strstr (argv[1], "1"))
+ {
+ //fprintf(stderr, "First\n");
+ first = 1;
+ fpin = fopen (FIFO_FILE1, "r");
+ if (NULL == fpin)
+ {
+ fprintf (stderr, "fopen of read FIFO_FILE1\n");
+ goto end;
+ }
+ fpout = fopen (FIFO_FILE2, "w");
+ if (NULL == fpout)
+ {
+ fprintf (stderr, "fopen of write FIFO_FILE2\n");
+ goto end;
+ }
+
+ }
+ else
+ {
+ first = 0;
+ //fprintf(stderr, "Second\n");
+ fpout = fopen (FIFO_FILE1, "w");
+ if (NULL == fpout)
+ {
+ fprintf (stderr, "fopen of write FIFO_FILE1\n");
+ goto end;
+ }
+ fpin = fopen (FIFO_FILE2, "r");
+ if (NULL == fpin)
+ {
+ fprintf (stderr, "fopen of read FIFO_FILE2\n");
+ goto end;
+ }
+
+ }
+
+ fdpin = fileno (fpin);
+ GNUNET_assert (fpin >= 0);
+
+ if (fdpin >= FD_SETSIZE)
+ {
+ fprintf (stderr, "File fdpin number too large (%d > %u)\n", fdpin,
+ (unsigned int) FD_SETSIZE);
+ goto end;
+ }
+
+ fdpout = fileno (fpout);
+ GNUNET_assert (fdpout >= 0);
+
+ if (fdpout >= FD_SETSIZE)
+ {
+ fprintf (stderr, "File fdpout number too large (%d > %u)\n", fdpout,
+ (unsigned int) FD_SETSIZE);
+ goto end;
+
+ }
+
+ signal (SIGINT, &sigfunc);
+ signal (SIGTERM, &sigfunc);
+
+ char readbuf[MAXLINE];
+ int readsize = 0;
+ struct sendbuf write_std;
+
+ write_std.size = 0;
+ write_std.pos = 0;
+
+ struct sendbuf write_pout;
+
+ write_pout.size = 0;
+ write_pout.pos = 0;
+
+ int ret = 0;
+ int maxfd = 0;
+
+ fd_set rfds;
+ fd_set wfds;
+ struct timeval tv;
+ int retval;
+
+ struct GNUNET_SERVER_MessageStreamTokenizer *stdin_mst;
+ struct GNUNET_SERVER_MessageStreamTokenizer *file_in_mst;
+
+ stdin_mst = GNUNET_SERVER_mst_create (&stdin_send, &write_pout);
+ file_in_mst = GNUNET_SERVER_mst_create (&file_in_send, &write_std);
+
+ //send mac first
+
+ struct MacAddress macaddr;
+
+ //Send random mac address
+ macaddr.mac[0] = 0x13;
+ macaddr.mac[1] = 0x22;
+ macaddr.mac[2] = 0x33;
+ macaddr.mac[3] = 0x44;
+ macaddr.mac[4] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 256);
+ macaddr.mac[5] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, 256);
+
+ write_std.size = send_mac_to_plugin (write_std.buf, macaddr.mac);
+
+ while (0 == closeprog)
+ {
+
+ maxfd = 0;
+
+ //set timeout
+ tv.tv_sec = 5;
+ tv.tv_usec = 0;
+
+ FD_ZERO (&rfds);
+ // if output queue is empty
+ if (0 == write_pout.size)
+ {
+ FD_SET (STDIN_FILENO, &rfds);
+
+ }
+ if (0 == write_std.size)
+ {
+ FD_SET (fdpin, &rfds);
+ maxfd = fdpin;
+ }
+ FD_ZERO (&wfds);
+ // if there is something to write
+ if (0 < write_std.size)
+ {
+ FD_SET (STDOUT_FILENO, &wfds);
+ maxfd = MAX (maxfd, STDOUT_FILENO);
+ }
+
+ if (0 < write_pout.size)
+ {
+ FD_SET (fdpout, &wfds);
+ maxfd = MAX (maxfd, fdpout);
+ }
+
+ retval = select (maxfd + 1, &rfds, &wfds, NULL, &tv);
+
+ if (-1 == retval && EINTR == errno)
+ {
+ continue;
+ }
+ if (0 > retval)
+ {
+ fprintf (stderr, "select failed: %s\n", strerror (errno));
+ closeprog = 1;
+ break;
+ }
+
+ if (FD_ISSET (STDOUT_FILENO, &wfds))
+ {
+ ret =
+ write (STDOUT_FILENO, write_std.buf + write_std.pos,
+ write_std.size - write_std.pos);
+ if (0 > ret)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Write ERROR to STDOUT\n");
+ break;
+ }
+ else
+ {
+ write_std.pos += ret;
+ // check if finished
+ if (write_std.pos == write_std.size)
+ {
+ write_std.pos = 0;
+ write_std.size = 0;
+ }
+ }
+ }
+
+ if (FD_ISSET (fdpout, &wfds))
+ {
+ ret =
+ write (fdpout, write_pout.buf + write_pout.pos,
+ write_pout.size - write_pout.pos);
+
+ if (0 > ret)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Write ERROR to fdpout\n");
+ }
+ else
+ {
+ write_pout.pos += ret;
+ // check if finished
+ if (write_pout.pos == write_pout.size)
+ {
+ write_pout.pos = 0;
+ write_pout.size = 0;
+ }
+ }
+ }
+
+ if (FD_ISSET (STDIN_FILENO, &rfds))
+ {
+ readsize = read (STDIN_FILENO, readbuf, sizeof (readbuf));
+
+ if (0 > readsize)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Read ERROR to STDIN_FILENO\n");
+ }
+ else if (0 < readsize)
+ {
+ GNUNET_SERVER_mst_receive (stdin_mst, NULL, readbuf, readsize,
+ GNUNET_NO, GNUNET_NO);
+
+ }
+ else
+ {
+ //eof
+ closeprog = 1;
+ }
+ }
+
+ if (FD_ISSET (fdpin, &rfds))
+ {
+ readsize = read (fdpin, readbuf, sizeof (readbuf));
+
+ if (0 > readsize)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Read ERROR to fdpin: %s\n", strerror (errno));
+ break;
+ }
+ else if (0 < readsize)
+ {
+ GNUNET_SERVER_mst_receive (file_in_mst, NULL, readbuf, readsize,
+ GNUNET_NO, GNUNET_NO);
+
+ }
+ else
+ {
+ //eof
+ closeprog = 1;
+ }
+ }
+
+ }
+
+ //clean up
+
+ GNUNET_SERVER_mst_destroy (stdin_mst);
+ GNUNET_SERVER_mst_destroy (file_in_mst);
+
+end:if (fpout != NULL)
+ fclose (fpout);
+ if (fpin != NULL)
+ fclose (fpin);
+
+ if (1 == first)
+ {
+ unlink (FIFO_FILE1);
+ unlink (FIFO_FILE2);
+ }
+
+ return (0);
+}
+
+int
+main (int argc, char *argv[])
+{
+ if (2 != argc)
+ {
+ fprintf (stderr,
+ "This program must be started with the operating mode as argument.\n");
+ fprintf (stderr,
+ "Usage: options\n" "options:\n" "1 = first loopback file\n"
+ "2 = second loopback file\n" "\n");
+ return 1;
+ }
+ if (strstr (argv[1], "1") || strstr (argv[1], "2"))
+ return testmode (argc, argv);
+ return 1;
+}
projects / oweals / gnunet.git / blobdiff