本文整理汇总了C++中Http::get_file_size方法的典型用法代码示例。如果您正苦于以下问题：C++ Http::get_file_size方法的具体用法？C++ Http::get_file_size怎么用？C++ Http::get_file_size使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Http的用法示例。
在下文中一共展示了Http::get_file_size方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: get_info
int HttpPlugin::get_info(Task *task) {
Http http;
http.set_timeout(task->timeout);
http.set_log(&debug_log);
#ifdef HAVE_SSL
if (task->url.get_protocol() == HTTPS) {
http.set_use_ssl(true);
}
#endif
if (task->url.get_user() != NULL) {
http.auth(task->url.get_user(),
task->url.get_password() ? task->url.get_password() : "");
}
if (task->get_referer() != NULL) {
http.header("Referer", task->get_referer());
} else {
http.header("Referer", task->url.get_url());
}
if (task->fileSize > 0) {
// test the Range
http.set_range(1);
}
if (task->proxy.get_type() == HTTP_PROXY) {
if (task->proxy.get_host() == NULL) {
return -1;
}
if (http.connect(task->proxy.get_host(), task->proxy.get_port()) < 0) {
return -2;
}
http.set_host(task->url.get_host(), task->url.get_port());
if (task->proxy.get_user() != NULL) {
http.proxy_auth(task->proxy.get_user(),
task->proxy.get_password() ? task->proxy.get_password() : "");
}
if (http.get(task->url.get_url()) < 0) {
return -2;
}
} else {
if (http.connect(task->url.get_host(), task->url.get_port()) < 0) {
return -2;
}
if (http.get(task->url.get_encoded_path()) < 0) {
return -2;
}
}
if (http.parse_header() < 0) return -2;
switch (http.get_status_code()) {
case 200: // HTTP_STATUS_OK
case 206: // HTTP_STATUS_PARTIAL_CONTENTS
case 300: // HTTP_STATUS_MULTIPLE_CHOICES
case 304: // HTTP_STATUS_NOT_MODIFIED
break;
case 301: // HTTP_STATUS_MOVED_PERMANENTLY
case 302: // HTTP_STATUS_MOVED_TEMPORARILY
case 303: // HTTP_SEE_OTHER
case 307: // HTTP_STATUS_TEMPORARY_REDIRECT
{ // redirect
task->fileSize = -1; // if not, the new location's filesize is wrong
const char *location = http.get_header("Location");
if (location == NULL) {
// I do not know when this will happen, but no harm
location = http.get_header("Content-Location");
if (location == NULL) return -1;
}
if (strcmp(location, task->url.get_url()) == 0) break;
if (task->url.reset_url(location) < 0) return -2;
return S_REDIRECT;
}
case 305: // HTTP_USE_PROXY
{ // get the content through the proxy
task->fileSize = -1; // if not, the new location's filesize is wrong
return S_REDIRECT;
}
case 408: // HTTP_CLIENT_TIMEOUT
case 504: // HTTP_GATEWAY_TIMEOUT
case 503: // HTTP_UNAVAILABLE
case 502: // HTTP_BAD_GATEWAY
{ // these errors can retry later
return -2;
}
default:
return -1;
}
// if the page is an active page, we maybe can not get the filesize
if (task->fileSize < 0) {
task->fileSize = http.get_file_size();
if (task->fileSize > 1) {
// we need test whether the Range header is supported or not
return -2;
}
} else {
// IIS never return the Accept-Ranges header
//.........这里部分代码省略.........