/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #include #include #include "apr_network_io.h" #include "apr_errno.h" #include "apr_general.h" #include "apr_poll.h" #if !APR_HAS_SENDFILE int main(void) { fprintf(stderr, "This program won't work on this platform because there is no " "support for sendfile().\n"); return 0; } #else /* !APR_HAS_SENDFILE */ #define FILE_LENGTH 200000 #define FILE_DATA_CHAR '0' #define HDR1 "1234567890ABCD\n" #define HDR2 "EFGH\n" #define HDR3_LEN 80000 #define HDR3_CHAR '^' #define TRL1 "IJKLMNOPQRSTUVWXYZ\n" #define TRL2 "!@#$%&*()\n" #define TRL3_LEN 90000 #define TRL3_CHAR '@' #define TESTSF_PORT 8021 #define TESTFILE "testsf.dat" typedef enum {BLK, NONBLK, TIMEOUT} client_socket_mode_t; static void apr_setup(apr_pool_t **p, apr_socket_t **sock, int *family) { char buf[120]; apr_status_t rv; rv = apr_initialize(); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_initialize()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } atexit(apr_terminate); rv = apr_pool_create(p, NULL); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_pool_create()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } *sock = NULL; rv = apr_socket_create(sock, *family, SOCK_STREAM, *p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_create()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (*family == APR_UNSPEC) { apr_sockaddr_t *localsa; rv = apr_socket_addr_get(&localsa, APR_LOCAL, *sock); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_addr_get()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } *family = localsa->family; } } static void create_testfile(apr_pool_t *p, const char *fname) { apr_file_t *f = NULL; apr_status_t rv; char buf[120]; int i; apr_finfo_t finfo; printf("Creating a test file...\n"); rv = apr_file_open(&f, fname, APR_CREATE | APR_WRITE | APR_TRUNCATE | APR_BUFFERED, APR_UREAD | APR_UWRITE, p); if (rv) { fprintf(stderr, "apr_file_open()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } buf[0] = FILE_DATA_CHAR; buf[1] = '\0'; for (i = 0; i < FILE_LENGTH; i++) { /* exercise apr_file_putc() and apr_file_puts() on buffered files */ if ((i % 2) == 0) { rv = apr_file_putc(buf[0], f); if (rv) { fprintf(stderr, "apr_file_putc()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } } else { rv = apr_file_puts(buf, f); if (rv) { fprintf(stderr, "apr_file_puts()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } } } rv = apr_file_close(f); if (rv) { fprintf(stderr, "apr_file_close()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } rv = apr_stat(&finfo, fname, APR_FINFO_NORM, p); if (rv != APR_SUCCESS && rv != APR_INCOMPLETE) { fprintf(stderr, "apr_stat()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (finfo.size != FILE_LENGTH) { fprintf(stderr, "test file %s should be %ld-bytes long\n" "instead it is %ld-bytes long\n", fname, (long int)FILE_LENGTH, (long int)finfo.size); exit(1); } } static int client(client_socket_mode_t socket_mode, char *host) { apr_status_t rv, tmprv; apr_socket_t *sock; apr_pool_t *p; char buf[120]; apr_file_t *f = NULL; apr_size_t len; apr_size_t expected_len; apr_off_t current_file_offset; apr_hdtr_t hdtr; struct iovec headers[3]; struct iovec trailers[3]; apr_size_t bytes_read; apr_pollfd_t *pfd; apr_int32_t nsocks; int i; int family; apr_sockaddr_t *destsa; family = APR_INET; apr_setup(&p, &sock, &family); create_testfile(p, TESTFILE); rv = apr_file_open(&f, TESTFILE, APR_READ, 0, p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_file_open()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (!host) { host = "127.0.0.1"; } rv = apr_sockaddr_info_get(&destsa, host, family, TESTSF_PORT, 0, p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_sockaddr_info_get()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } rv = apr_socket_connect(sock, destsa); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_connect()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } switch(socket_mode) { case BLK: /* leave it blocking */ break; case NONBLK: /* set it non-blocking */ rv = apr_socket_opt_set(sock, APR_SO_NONBLOCK, 1); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_opt_set(APR_SO_NONBLOCK)->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } break; case TIMEOUT: /* set a timeout */ rv = apr_socket_timeout_set(sock, 100 * APR_USEC_PER_SEC); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_opt_set(APR_SO_NONBLOCK)->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } break; default: assert(1 != 1); } printf("Sending the file...\n"); hdtr.headers = headers; hdtr.numheaders = 3; hdtr.headers[0].iov_base = HDR1; hdtr.headers[0].iov_len = strlen(hdtr.headers[0].iov_base); hdtr.headers[1].iov_base = HDR2; hdtr.headers[1].iov_len = strlen(hdtr.headers[1].iov_base); hdtr.headers[2].iov_base = malloc(HDR3_LEN); assert(hdtr.headers[2].iov_base); memset(hdtr.headers[2].iov_base, HDR3_CHAR, HDR3_LEN); hdtr.headers[2].iov_len = HDR3_LEN; hdtr.trailers = trailers; hdtr.numtrailers = 3; hdtr.trailers[0].iov_base = TRL1; hdtr.trailers[0].iov_len = strlen(hdtr.trailers[0].iov_base); hdtr.trailers[1].iov_base = TRL2; hdtr.trailers[1].iov_len = strlen(hdtr.trailers[1].iov_base); hdtr.trailers[2].iov_base = malloc(TRL3_LEN); memset(hdtr.trailers[2].iov_base, TRL3_CHAR, TRL3_LEN); assert(hdtr.trailers[2].iov_base); hdtr.trailers[2].iov_len = TRL3_LEN; expected_len = strlen(HDR1) + strlen(HDR2) + HDR3_LEN + strlen(TRL1) + strlen(TRL2) + TRL3_LEN + FILE_LENGTH; if (socket_mode == BLK) { current_file_offset = 0; len = FILE_LENGTH; rv = apr_socket_sendfile(sock, f, &hdtr, ¤t_file_offset, &len, 0); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_sendfile()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } printf("apr_socket_sendfile() updated offset with %ld\n", (long int)current_file_offset); printf("apr_socket_sendfile() updated len with %ld\n", (long int)len); printf("bytes really sent: %" APR_SIZE_T_FMT "\n", expected_len); if (len != expected_len) { fprintf(stderr, "apr_socket_sendfile() didn't report the correct " "number of bytes sent!\n"); exit(1); } } else { /* non-blocking... wooooooo */ apr_size_t total_bytes_sent; pfd = NULL; rv = apr_poll_setup(&pfd, 1, p); assert(!rv); rv = apr_poll_socket_add(pfd, sock, APR_POLLOUT); assert(!rv); total_bytes_sent = 0; current_file_offset = 0; len = FILE_LENGTH; do { apr_size_t tmplen; tmplen = len; /* bytes remaining to send from the file */ printf("Calling apr_socket_sendfile()...\n"); printf("Headers (%d):\n", hdtr.numheaders); for (i = 0; i < hdtr.numheaders; i++) { printf("\t%ld bytes (%c)\n", (long)hdtr.headers[i].iov_len, *(char *)hdtr.headers[i].iov_base); } printf("File: %ld bytes from offset %ld\n", (long)tmplen, (long)current_file_offset); printf("Trailers (%d):\n", hdtr.numtrailers); for (i = 0; i < hdtr.numtrailers; i++) { printf("\t%ld bytes\n", (long)hdtr.trailers[i].iov_len); } rv = apr_socket_sendfile(sock, f, &hdtr, ¤t_file_offset, &tmplen, 0); printf("apr_socket_sendfile()->%d, sent %ld bytes\n", rv, (long)tmplen); if (rv) { if (APR_STATUS_IS_EAGAIN(rv)) { assert(tmplen == 0); nsocks = 1; tmprv = apr_poll(pfd, 1, &nsocks, -1); assert(!tmprv); assert(nsocks == 1); /* continue; */ } } total_bytes_sent += tmplen; /* Adjust hdtr to compensate for partially-written * data. */ /* First, skip over any header data which might have * been written. */ while (tmplen && hdtr.numheaders) { if (tmplen >= hdtr.headers[0].iov_len) { tmplen -= hdtr.headers[0].iov_len; --hdtr.numheaders; ++hdtr.headers; } else { hdtr.headers[0].iov_len -= tmplen; hdtr.headers[0].iov_base = (char*) hdtr.headers[0].iov_base + tmplen; tmplen = 0; } } /* Now, skip over any file data which might have been * written. */ if (tmplen <= len) { current_file_offset += tmplen; len -= tmplen; tmplen = 0; } else { tmplen -= len; len = 0; current_file_offset = 0; } /* Last, skip over any trailer data which might have * been written. */ while (tmplen && hdtr.numtrailers) { if (tmplen >= hdtr.trailers[0].iov_len) { tmplen -= hdtr.trailers[0].iov_len; --hdtr.numtrailers; ++hdtr.trailers; } else { hdtr.trailers[0].iov_len -= tmplen; hdtr.trailers[0].iov_base = (char *)hdtr.trailers[0].iov_base + tmplen; tmplen = 0; } } } while (total_bytes_sent < expected_len && (rv == APR_SUCCESS || (APR_STATUS_IS_EAGAIN(rv) && socket_mode != TIMEOUT))); if (total_bytes_sent != expected_len) { fprintf(stderr, "client problem: sent %ld of %ld bytes\n", (long)total_bytes_sent, (long)expected_len); exit(1); } if (rv) { fprintf(stderr, "client problem: rv %d\n", rv); exit(1); } } current_file_offset = 0; rv = apr_file_seek(f, APR_CUR, ¤t_file_offset); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_file_seek()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } printf("After apr_socket_sendfile(), the kernel file pointer is " "at offset %ld.\n", (long int)current_file_offset); rv = apr_socket_shutdown(sock, APR_SHUTDOWN_WRITE); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_shutdown()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } /* in case this is the non-blocking test, set socket timeout; * we're just waiting for EOF */ rv = apr_socket_timeout_set(sock, apr_time_from_sec(3)); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_timeout_set()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } bytes_read = 1; rv = apr_socket_recv(sock, buf, &bytes_read); if (rv != APR_EOF) { fprintf(stderr, "apr_socket_recv()->%d/%s (expected APR_EOF)\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != 0) { fprintf(stderr, "We expected to get 0 bytes read with APR_EOF\n" "but instead we read %ld bytes.\n", (long int)bytes_read); exit(1); } printf("client: apr_socket_sendfile() worked as expected!\n"); rv = apr_file_remove(TESTFILE, p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_file_remove()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } return 0; } static int server(void) { apr_status_t rv; apr_socket_t *sock; apr_pool_t *p; char buf[120]; int i; apr_socket_t *newsock = NULL; apr_size_t bytes_read; apr_sockaddr_t *localsa; int family; family = APR_UNSPEC; apr_setup(&p, &sock, &family); rv = apr_socket_opt_set(sock, APR_SO_REUSEADDR, 1); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_opt_set()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } rv = apr_sockaddr_info_get(&localsa, NULL, family, TESTSF_PORT, 0, p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_sockaddr_info_get()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } rv = apr_socket_bind(sock, localsa); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_bind()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } rv = apr_socket_listen(sock, 5); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_listen()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } printf("Waiting for a client to connect...\n"); rv = apr_socket_accept(&newsock, sock, p); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_accept()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } printf("Processing a client...\n"); assert(sizeof buf > strlen(HDR1)); bytes_read = strlen(HDR1); rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != strlen(HDR1)) { fprintf(stderr, "wrong data read (1)\n"); exit(1); } if (memcmp(buf, HDR1, strlen(HDR1))) { fprintf(stderr, "wrong data read (2)\n"); fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n", (int)bytes_read, buf, HDR1); exit(1); } assert(sizeof buf > strlen(HDR2)); bytes_read = strlen(HDR2); rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != strlen(HDR2)) { fprintf(stderr, "wrong data read (3)\n"); exit(1); } if (memcmp(buf, HDR2, strlen(HDR2))) { fprintf(stderr, "wrong data read (4)\n"); fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n", (int)bytes_read, buf, HDR2); exit(1); } for (i = 0; i < HDR3_LEN; i++) { bytes_read = 1; rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != 1) { fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n", (long int)bytes_read); exit(1); } if (buf[0] != HDR3_CHAR) { fprintf(stderr, "problem with data read (byte %d of hdr 3):\n", i); fprintf(stderr, "read `%c' (0x%x) from client; expected " "`%c'\n", buf[0], buf[0], HDR3_CHAR); exit(1); } } for (i = 0; i < FILE_LENGTH; i++) { bytes_read = 1; rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != 1) { fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n", (long int)bytes_read); exit(1); } if (buf[0] != FILE_DATA_CHAR) { fprintf(stderr, "problem with data read (byte %d of file):\n", i); fprintf(stderr, "read `%c' (0x%x) from client; expected " "`%c'\n", buf[0], buf[0], FILE_DATA_CHAR); exit(1); } } assert(sizeof buf > strlen(TRL1)); bytes_read = strlen(TRL1); rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != strlen(TRL1)) { fprintf(stderr, "wrong data read (5)\n"); exit(1); } if (memcmp(buf, TRL1, strlen(TRL1))) { fprintf(stderr, "wrong data read (6)\n"); fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n", (int)bytes_read, buf, TRL1); exit(1); } assert(sizeof buf > strlen(TRL2)); bytes_read = strlen(TRL2); rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != strlen(TRL2)) { fprintf(stderr, "wrong data read (7)\n"); exit(1); } if (memcmp(buf, TRL2, strlen(TRL2))) { fprintf(stderr, "wrong data read (8)\n"); fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n", (int)bytes_read, buf, TRL2); exit(1); } for (i = 0; i < TRL3_LEN; i++) { bytes_read = 1; rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_SUCCESS) { fprintf(stderr, "apr_socket_recv()->%d/%s\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != 1) { fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n", (long int)bytes_read); exit(1); } if (buf[0] != TRL3_CHAR) { fprintf(stderr, "problem with data read (byte %d of trl 3):\n", i); fprintf(stderr, "read `%c' (0x%x) from client; expected " "`%c'\n", buf[0], buf[0], TRL3_CHAR); exit(1); } } bytes_read = 1; rv = apr_socket_recv(newsock, buf, &bytes_read); if (rv != APR_EOF) { fprintf(stderr, "apr_socket_recv()->%d/%s (expected APR_EOF)\n", rv, apr_strerror(rv, buf, sizeof buf)); exit(1); } if (bytes_read != 0) { fprintf(stderr, "We expected to get 0 bytes read with APR_EOF\n" "but instead we read %ld bytes (%c).\n", (long int)bytes_read, buf[0]); exit(1); } printf("server: apr_socket_sendfile() worked as expected!\n"); return 0; } int main(int argc, char *argv[]) { #ifdef SIGPIPE signal(SIGPIPE, SIG_IGN); #endif /* Gee whiz this is goofy logic but I wanna drive sendfile right now, * not dork around with the command line! */ if (argc >= 3 && !strcmp(argv[1], "client")) { char *host = 0; if (argv[3]) { host = argv[3]; } if (!strcmp(argv[2], "blocking")) { return client(BLK, host); } else if (!strcmp(argv[2], "timeout")) { return client(TIMEOUT, host); } else if (!strcmp(argv[2], "nonblocking")) { return client(NONBLK, host); } } else if (argc == 2 && !strcmp(argv[1], "server")) { return server(); } fprintf(stderr, "Usage: %s client {blocking|nonblocking|timeout}\n" " %s server\n", argv[0], argv[0]); return -1; } #endif /* !APR_HAS_SENDFILE */