-/*\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 testcases for plugin_transport_wlan.c\r
- * @author David Brodski\r
- */\r
-\r
-#include <sys/socket.h>\r
-#include <sys/ioctl.h>\r
-#include <sys/types.h>\r
-#include <sys/wait.h>\r
-#include <sys/time.h>\r
-#include <sys/stat.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-\r
-#include <errno.h>\r
-#include <resolv.h>\r
-#include <string.h>\r
-#include <utime.h>\r
-#include <unistd.h>\r
-#include <getopt.h>\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 "gnunet_util_lib.h"\r
-#include "plugin_transport_wlan.h"\r
-#include "gnunet_common.h"\r
-#include "gnunet-transport-wlan-helper.h"\r
-#include "gnunet_crypto_lib.h"\r
-#include "wlan/loopback_helper.h"\r
-#include "wlan/helper_common.h"\r
-\r
-int first;\r
-\r
-static void\r
-sigfunc(int sig)\r
-{\r
- closeprog = 1;\r
- unlink(FIFO_FILE1);\r
- unlink(FIFO_FILE2);\r
-}\r
-\r
-static void\r
-stdin_send(void *cls, void *client, const struct GNUNET_MessageHeader *hdr)\r
-{\r
- struct sendbuf *write_pout = cls;\r
- int sendsize;\r
- struct GNUNET_MessageHeader newheader;\r
- unsigned char * from_data;\r
- unsigned char * to_data;\r
- //unsigned char * from_radiotap;\r
- unsigned char * to_radiotap;\r
- //unsigned char * from_start;\r
- unsigned char * to_start;\r
-\r
- sendsize = ntohs(hdr->size) - sizeof(struct Radiotap_Send)\r
- + sizeof(struct Radiotap_rx);\r
-\r
- if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs(hdr->type))\r
- {\r
- fprintf(stderr, "Function stdin_send: wrong packet type\n");\r
- exit(1);\r
- }\r
- if ((sendsize + write_pout->size) > MAXLINE * 2)\r
- {\r
- fprintf(stderr, "Function stdin_send: Packet too big for buffer\n");\r
- exit(1);\r
- }\r
-\r
- newheader.size = htons(sendsize);\r
- newheader.type = htons(GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);\r
-\r
- to_start = write_pout->buf + write_pout->size;\r
- to_radiotap = to_start + sizeof(struct GNUNET_MessageHeader);\r
- to_data = to_radiotap + sizeof(struct Radiotap_rx);\r
-\r
- from_data = ((unsigned char *) hdr) + sizeof(struct Radiotap_Send)\r
- + sizeof(struct GNUNET_MessageHeader);\r
-\r
- memcpy(to_start, &newheader, sizeof(struct GNUNET_MessageHeader));\r
- write_pout->size += sizeof(struct GNUNET_MessageHeader);\r
-\r
- write_pout->size += sizeof(struct Radiotap_rx);\r
-\r
- memcpy(to_data, from_data, ntohs(hdr->size) - sizeof(struct Radiotap_Send)\r
- - sizeof(struct GNUNET_MessageHeader));\r
- write_pout->size += ntohs(hdr->size) - sizeof(struct Radiotap_Send)\r
- - sizeof(struct GNUNET_MessageHeader);\r
-}\r
-\r
-static void\r
-file_in_send(void *cls, void *client, const struct GNUNET_MessageHeader *hdr)\r
-{\r
- struct sendbuf * write_std = cls;\r
- uint16_t sendsize;\r
-\r
- sendsize = ntohs(hdr->size);\r
-\r
- if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs(hdr->type))\r
- {\r
- fprintf(stderr, "Function file_in_send: wrong packet type\n");\r
- exit(1);\r
- }\r
- if ((sendsize + write_std->size) > MAXLINE * 2)\r
- {\r
- fprintf(stderr, "Function file_in_send: Packet too big for buffer\n");\r
- exit(1);\r
- }\r
-\r
- memcpy(write_std->buf + write_std->size, hdr, sendsize);\r
- write_std->size += sendsize;\r
-}\r
-\r
-int closeprog;\r
-\r
-\r
-int\r
-testmode(int argc, char *argv[])\r
-{\r
- struct stat st;\r
- int erg;\r
-\r
- FILE *fpin = NULL;\r
- FILE *fpout = NULL;\r
-\r
- int fdpin;\r
- int fdpout;\r
-\r
- //make the fifos if needed\r
- if (0 != stat(FIFO_FILE1, &st))\r
- {\r
- if (0 == stat(FIFO_FILE2, &st))\r
- {\r
- fprintf(stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");\r
- exit(1);\r
- }\r
-\r
- umask(0);\r
- //unlink(FIFO_FILE1);\r
- //unlink(FIFO_FILE2);\r
- // FIXME: use mkfifo!\r
- erg = mknod(FIFO_FILE1, S_IFIFO | 0666, 0);\r
- if (0 != erg)\r
- {\r
- fprintf(stderr, "Error at mknode1 \n");\r
- //exit(1);\r
- }\r
- erg = mknod(FIFO_FILE2, S_IFIFO | 0666, 0);\r
- if (0 != erg)\r
- {\r
- fprintf(stderr, "Error at mknode2 \n");\r
- //exit(1);\r
- }\r
-\r
- }\r
- else\r
- {\r
-\r
- if (0 != stat(FIFO_FILE2, &st))\r
- {\r
- fprintf(stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");\r
- exit(1);\r
- }\r
-\r
- }\r
-\r
- if (strstr(argv[1], "1"))\r
- {\r
- //fprintf(stderr, "First\n");\r
- first = 1;\r
- fpin = fopen(FIFO_FILE1, "r");\r
- if (NULL == fpin)\r
- {\r
- fprintf(stderr, "fopen of read FIFO_FILE1\n");\r
- goto end;\r
- }\r
- fpout = fopen(FIFO_FILE2, "w");\r
- if (NULL == fpout)\r
- {\r
- fprintf(stderr, "fopen of write FIFO_FILE2\n");\r
- goto end;\r
- }\r
-\r
- }\r
- else\r
- {\r
- first = 0;\r
- //fprintf(stderr, "Second\n");\r
- fpout = fopen(FIFO_FILE1, "w");\r
- if (NULL == fpout)\r
- {\r
- fprintf(stderr, "fopen of write FIFO_FILE1\n");\r
- goto end;\r
- }\r
- fpin = fopen(FIFO_FILE2, "r");\r
- if (NULL == fpin)\r
- {\r
- fprintf(stderr, "fopen of read FIFO_FILE2\n");\r
- goto end;\r
- }\r
-\r
- }\r
-\r
- fdpin = fileno(fpin);\r
- GNUNET_assert(fpin >= 0);\r
-\r
- if (fdpin >= FD_SETSIZE)\r
- {\r
- fprintf(stderr, "File fdpin number too large (%d > %u)\n", fdpin,\r
- (unsigned int) FD_SETSIZE);\r
- goto end;\r
- }\r
-\r
- fdpout = fileno(fpout);\r
- GNUNET_assert(fdpout >= 0 );\r
-\r
- if (fdpout >= FD_SETSIZE)\r
- {\r
- fprintf(stderr, "File fdpout number too large (%d > %u)\n", fdpout,\r
- (unsigned int) FD_SETSIZE);\r
- goto end;\r
-\r
- }\r
-\r
- signal(SIGINT, &sigfunc);\r
- signal(SIGTERM, &sigfunc);\r
-\r
- char readbuf[MAXLINE];\r
- int readsize = 0;\r
- struct sendbuf write_std;\r
- write_std.size = 0;\r
- write_std.pos = 0;\r
-\r
- struct sendbuf write_pout;\r
- write_pout.size = 0;\r
- write_pout.pos = 0;\r
-\r
- int ret = 0;\r
- int maxfd = 0;\r
-\r
- fd_set rfds;\r
- fd_set wfds;\r
- struct timeval tv;\r
- int retval;\r
-\r
- struct GNUNET_SERVER_MessageStreamTokenizer * stdin_mst;\r
- struct GNUNET_SERVER_MessageStreamTokenizer * file_in_mst;\r
-\r
- stdin_mst = GNUNET_SERVER_mst_create(&stdin_send, &write_pout);\r
- file_in_mst = GNUNET_SERVER_mst_create(&file_in_send, &write_std);\r
-\r
- //send mac first\r
-\r
- struct MacAddress macaddr;\r
-\r
- //Send random mac address\r
- macaddr.mac[0] = 0x13;\r
- macaddr.mac[1] = 0x22;\r
- macaddr.mac[2] = 0x33;\r
- macaddr.mac[3] = 0x44;\r
- macaddr.mac[4] = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 256);\r
- macaddr.mac[5] = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_NONCE, 256);\r
-\r
- write_std.size = send_mac_to_plugin((char *) write_std.buf, macaddr.mac);\r
-\r
- while (0 == closeprog)\r
- {\r
-\r
- maxfd = 0;\r
-\r
- //set timeout\r
- tv.tv_sec = 5;\r
- tv.tv_usec = 0;\r
-\r
- FD_ZERO(&rfds);\r
- // if output queue is empty\r
- if (0 == write_pout.size)\r
- {\r
- FD_SET(STDIN_FILENO, &rfds);\r
-\r
- }\r
- if (0 == write_std.size)\r
- {\r
- FD_SET(fdpin, &rfds);\r
- maxfd = fdpin;\r
- }\r
- FD_ZERO(&wfds);\r
- // if there is something to write\r
- if (0 < write_std.size)\r
- {\r
- FD_SET(STDOUT_FILENO, &wfds);\r
- maxfd = MAX(maxfd, STDOUT_FILENO);\r
- }\r
-\r
- if (0 < write_pout.size)\r
- {\r
- FD_SET(fdpout, &wfds);\r
- maxfd = MAX(maxfd, fdpout);\r
- }\r
-\r
- retval = select(maxfd + 1, &rfds, &wfds, NULL, &tv);\r
-\r
- if (-1 == retval && EINTR == errno)\r
- {\r
- continue;\r
- }\r
- if (0 > retval)\r
- {\r
- fprintf(stderr, "select failed: %s\n", strerror(errno));\r
- closeprog = 1;\r
- break;\r
- }\r
-\r
- if (FD_ISSET(STDOUT_FILENO, &wfds))\r
- {\r
- ret = write(STDOUT_FILENO, write_std.buf + write_std.pos,\r
- write_std.size - write_std.pos);\r
-\r
- if (0 > ret)\r
- {\r
- closeprog = 1;\r
- fprintf(stderr, "Write ERROR to STDOUT\n");\r
- break;\r
- }\r
- else\r
- {\r
- write_std.pos += ret;\r
- // check if finished\r
- if (write_std.pos == write_std.size)\r
- {\r
- write_std.pos = 0;\r
- write_std.size = 0;\r
- }\r
- }\r
- }\r
-\r
- if (FD_ISSET(fdpout, &wfds))\r
- {\r
- ret = write(fdpout, write_pout.buf + write_pout.pos, write_pout.size\r
- - write_pout.pos);\r
-\r
- if (0 > ret)\r
- {\r
- closeprog = 1;\r
- fprintf(stderr, "Write ERROR to fdpout\n");\r
- }\r
- else\r
- {\r
- write_pout.pos += ret;\r
- // check if finished\r
- if (write_pout.pos == write_pout.size)\r
- {\r
- write_pout.pos = 0;\r
- write_pout.size = 0;\r
- }\r
- }\r
- }\r
-\r
- if (FD_ISSET(STDIN_FILENO, &rfds))\r
- {\r
- readsize = read(STDIN_FILENO, readbuf, sizeof(readbuf));\r
-\r
- if (0 > readsize)\r
- {\r
- closeprog = 1;\r
- fprintf(stderr, "Read ERROR to STDIN_FILENO\n");\r
- }\r
- else if (0 < readsize)\r
- {\r
- GNUNET_SERVER_mst_receive(stdin_mst, NULL, readbuf, readsize,\r
- GNUNET_NO, GNUNET_NO);\r
-\r
- }\r
- else\r
- {\r
- //eof\r
- closeprog = 1;\r
- }\r
- }\r
-\r
- if (FD_ISSET(fdpin, &rfds))\r
- {\r
- readsize = read(fdpin, readbuf, sizeof(readbuf));\r
-\r
- if (0 > readsize)\r
- {\r
- closeprog = 1;\r
- fprintf(stderr, "Read ERROR to fdpin: %s\n", strerror(errno));\r
- break;\r
- }\r
- else if (0 < readsize)\r
- {\r
- GNUNET_SERVER_mst_receive(file_in_mst, NULL, readbuf, readsize,\r
- GNUNET_NO, GNUNET_NO);\r
-\r
- }\r
- else\r
- {\r
- //eof\r
- closeprog = 1;\r
- }\r
- }\r
-\r
- }\r
-\r
- //clean up\r
-\r
- GNUNET_SERVER_mst_destroy(stdin_mst);\r
- GNUNET_SERVER_mst_destroy(file_in_mst);\r
-\r
- end: if (fpout != NULL)\r
- fclose(fpout);\r
- if (fpin != NULL)\r
- fclose(fpin);\r
-\r
- if (1 == first)\r
- {\r
- unlink(FIFO_FILE1);\r
- unlink(FIFO_FILE2);\r
- }\r
-\r
- return (0);\r
-}\r
-\r
-int\r
-main(int argc, char *argv[])\r
-{\r
- if (2 != argc)\r
- {\r
- fprintf (stderr,\r
- "This program must be started with the operating mode as argument.\n");\r
- fprintf (stderr,\r
- "Usage: options\n"\r
- "options:\n"\r
- "1 = first loopback file\n"\r
- "2 = second loopback file\n"\r
- "\n");\r
- return 1;\r
- }\r
- if (strstr(argv[1], "1") || strstr(argv[1], "2"))\r
- return testmode(argc, argv);\r
- return 1;\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"
+
+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;
+ unsigned char * from_data;
+ unsigned char * to_data;
+ //unsigned char * from_radiotap;
+ unsigned char * to_radiotap;
+ //unsigned char * from_start;
+ unsigned 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;
+ to_radiotap = to_start + sizeof(struct GNUNET_MessageHeader);
+ to_data = to_radiotap + sizeof(struct Radiotap_rx);
+
+ from_data = ((unsigned char *) hdr) + sizeof(struct Radiotap_Send)
+ + sizeof(struct GNUNET_MessageHeader);
+
+ memcpy(to_start, &newheader, sizeof(struct GNUNET_MessageHeader));
+ write_pout->size += sizeof(struct GNUNET_MessageHeader);
+
+ write_pout->size += sizeof(struct Radiotap_rx);
+
+ memcpy(to_data, from_data, 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 = mknod(FIFO_FILE1, S_IFIFO | 0666, 0);
+ if (0 != erg)
+ {
+ fprintf(stderr, "Error at mknode1 \n");
+ //exit(1);
+ }
+ erg = mknod(FIFO_FILE2, S_IFIFO | 0666, 0);
+ if (0 != erg)
+ {
+ fprintf(stderr, "Error at mknode2 \n");
+ //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((char *) 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;
+}