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/*
* testlibwebvi.c: unittest for webvi C bindings
*
* Copyright (c) 2010-2012 Antti Ajanki <antti.ajanki@iki.fi>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <sys/select.h>
#include <errno.h>
#include "libwebvi.h"
#define WVTREFERENCE "wvt:///www.youtube.com/videopage.xsl?srcurl=http%3A//www.youtube.com/watch%3Fv%3Dk5LmKNYTqvk"
#define CHECK_WEBVI_CALL(err, funcname) \
if (err != WEBVIERR_OK) { \
fprintf(stderr, "%s FAILED: %s\n", funcname, webvi_strerror(ctx, err)); \
returncode = 127; \
goto cleanup; \
}
struct download_data {
long bytes_downloaded;
WebviCtx ctx;
WebviHandle handle;
};
ssize_t file_callback(const char *buf, size_t len, void *data) {
struct download_data *dldata = (struct download_data *)data;
if (dldata->bytes_downloaded == 0) {
char *url, *title, *contentType;
long contentLength;
if (webvi_get_info(dldata->ctx, dldata->handle, WEBVIINFO_URL, &url) != WEBVIERR_OK) {
fprintf(stderr, "webvi_get_info FAILED\n");
return -1;
}
if (url) {
printf("File URL: %s\n", url);
free(url);
}
if (webvi_get_info(dldata->ctx, dldata->handle, WEBVIINFO_STREAM_TITLE, &title) != WEBVIERR_OK) {
fprintf(stderr, "webvi_get_info FAILED\n");
return -1;
}
if (title) {
printf("Title: %s\n", title);
free(title);
}
if (webvi_get_info(dldata->ctx, dldata->handle, WEBVIINFO_CONTENT_TYPE, &contentType) != WEBVIERR_OK) {
fprintf(stderr, "webvi_get_info FAILED\n");
return -1;
}
if (contentType) {
printf("Content type: %s\n", contentType);
free(contentType);
}
if (webvi_get_info(dldata->ctx, dldata->handle, WEBVIINFO_CONTENT_LENGTH, &contentLength) != WEBVIERR_OK) {
fprintf(stderr, "webvi_get_info FAILED\n");
return -1;
}
printf("Content length: %ld\n", contentLength);
}
dldata->bytes_downloaded += len;
printf("\r%ld", dldata->bytes_downloaded);
return len;
}
int main(int argc, const char* argv[]) {
int returncode = 0;
WebviCtx ctx = 0;
WebviHandle handle = -1;
fd_set readfd, writefd, excfd;
int maxfd, fd, s, msg_remaining;
struct timeval timeout;
long running;
WebviMsg *donemsg;
int done;
struct download_data callback_data;
printf("Testing %s\n", webvi_version());
if (webvi_global_init() != 0) {
fprintf(stderr, "webvi_global_init FAILED\n");
return 127;
}
ctx = webvi_initialize_context();
if (ctx == 0) {
fprintf(stderr, "webvi_initialize_context FAILED\n");
returncode = 127;
goto cleanup;
}
CHECK_WEBVI_CALL(webvi_set_config(ctx, WEBVI_CONFIG_TEMPLATE_PATH, "../../templates"),
"webvi_set_config(WEBVI_CONFIG_TEMPLATE_PATH)");
handle = webvi_new_request(ctx, WVTREFERENCE, WEBVIREQ_FILE);
if (handle == -1) {
fprintf(stderr, "webvi_new_request FAILED\n");
returncode = 127;
goto cleanup;
}
callback_data.bytes_downloaded = 0;
callback_data.ctx = ctx;
callback_data.handle = handle;
CHECK_WEBVI_CALL(webvi_set_opt(ctx, handle, WEBVIOPT_WRITEDATA, &callback_data),
"webvi_set_opt(WEBVIOPT_WRITEDATA)");
CHECK_WEBVI_CALL(webvi_set_opt(ctx, handle, WEBVIOPT_WRITEFUNC, file_callback),
"webvi_set_opt(WEBVIOPT_WRITEFUNC)");
CHECK_WEBVI_CALL(webvi_start_handle(ctx, handle),
"webvi_start_handle");
done = 0;
do {
FD_ZERO(&readfd);
FD_ZERO(&writefd);
FD_ZERO(&excfd);
CHECK_WEBVI_CALL(webvi_fdset(ctx, &readfd, &writefd, &excfd, &maxfd),
"webvi_fdset");
timeout.tv_sec = 1;
timeout.tv_usec = 0;
s = select(maxfd+1, &readfd, &writefd, NULL, &timeout);
if (s < 0) {
if (errno == EINTR)
continue;
perror("select FAILED");
returncode = 127;
goto cleanup;
} if (s == 0) {
CHECK_WEBVI_CALL(webvi_perform(ctx, 0, WEBVI_SELECT_TIMEOUT, &running),
"webvi_perform");
} else {
for (fd=0; fd<=maxfd; fd++) {
if (FD_ISSET(fd, &readfd)) {
CHECK_WEBVI_CALL(webvi_perform(ctx, fd, WEBVI_SELECT_READ, &running),
"webvi_perform");
}
if (FD_ISSET(fd, &writefd)) {
CHECK_WEBVI_CALL(webvi_perform(ctx, fd, WEBVI_SELECT_WRITE, &running),
"webvi_perform");
}
}
}
do {
donemsg = webvi_get_message(ctx, &msg_remaining);
if (donemsg && donemsg->msg == WEBVIMSG_DONE && donemsg->handle == handle) {
done = 1;
}
} while (msg_remaining > 0);
} while (!done);
if (donemsg->status_code != 0) {
printf("Error: Unexpected status code %d\n", donemsg->status_code);
returncode = 127;
} else {
printf("\nRead %ld bytes.\n"
"Test successful.\n", callback_data.bytes_downloaded);
}
cleanup:
if (ctx != 0) {
if (handle != -1)
webvi_delete_handle(ctx, handle);
webvi_cleanup_context(ctx);
}
webvi_cleanup(1);
return returncode;
}
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