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This commit is contained in:
Mike Goslin 2000-12-08 22:50:55 +00:00
parent b8d81e561e
commit 5a8d35dc66
2 changed files with 39 additions and 10 deletions
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47
panda/src/downloader/downloader.cxx
View File

@ -29,11 +29,17 @@
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Defines // Defines
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
enum send_status {
SS_error,
SS_timeout,
SS_success
};
enum receive_status { enum receive_status {
RS_error, RS_error,
RS_timeout, RS_timeout,
RS_success, RS_success,
RS_eof, RS_eof
}; };
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -356,12 +362,12 @@ process_request() {
// Access: Private // Access: Private
// Description: // Description:
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
bool Downloader:: int Downloader::
safe_send(int socket, const char *data, int length, long timeout) { safe_send(int socket, const char *data, int length, long timeout) {
if (length == 0) { if (length == 0) {
downloader_cat.error() downloader_cat.error()
<< "Downloader::safe_send() - requested 0 length send!" << endl; << "Downloader::safe_send() - requested 0 length send!" << endl;
return false; return SS_error;
} }
int bytes = 0; int bytes = 0;
struct timeval tv; struct timeval tv;
@ -376,11 +382,11 @@ safe_send(int socket, const char *data, int length, long timeout) {
downloader_cat.error() downloader_cat.error()
<< "Downloader::safe_send() - select timed out after: " << "Downloader::safe_send() - select timed out after: "
<< timeout << " seconds" << endl; << timeout << " seconds" << endl;
return false; return SS_timeout;
} else if (sret == -1) { } else if (sret == -1) {
downloader_cat.error() downloader_cat.error()
<< "Downloader::safe_send() - error: " << strerror(errno) << endl; << "Downloader::safe_send() - error: " << strerror(errno) << endl;
return false; return SS_error;
} }
int ret = send(socket, data, length, 0); int ret = send(socket, data, length, 0);
if (ret > 0) if (ret > 0)
@ -388,10 +394,10 @@ safe_send(int socket, const char *data, int length, long timeout) {
else { else {
downloader_cat.error() downloader_cat.error()
<< "Downloader::safe_send() - error: " << strerror(errno) << endl; << "Downloader::safe_send() - error: " << strerror(errno) << endl;
return false; return SS_error;
} }
} }
return true; return SS_success;
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
@ -497,8 +503,31 @@ download(const string &file_name, Filename file_dest,
if (downloader_cat.is_debug()) if (downloader_cat.is_debug())
downloader_cat.debug() downloader_cat.debug()
<< "Downloader::download() - Sending request:\n" << request << endl; << "Downloader::download() - Sending request:\n" << request << endl;
if (safe_send(_socket, request.c_str(), outlen, int send_ret = safe_send(_socket, request.c_str(), outlen,
(long)downloader_timeout) == false) (long)downloader_timeout);
if (send_ret == SS_timeout) {
for (int sr = 0; sr < downloader_timeout_retries; sr++) {
send_ret = safe_send(_socket, request.c_str(), outlen,
(long)downloader_timeout);
if (send_ret != SS_timeout)
break;
}
if (send_ret == SS_timeout) {
// We've really timed out - throw an event
downloader_cat.error()
<< "Downloader::download() - send timed out after: "
<< downloader_timeout_retries << " retries" << endl;
PT_Event timeout_event = new Event(event_name);
timeout_event->add_parameter(EventParameter((int)id));
timeout_event->add_parameter(EventParameter(0));
timeout_event->add_parameter(EventParameter(-1));
throw_event(timeout_event);
return false;
}
}
if (send_ret == SS_error)
return false; return false;
// Loop at the requested frequency until the download completes // Loop at the requested frequency until the download completes

2
panda/src/downloader/downloader.h
View File

@ -88,7 +88,7 @@ private:
bool parse_header(DownloadStatus &status); bool parse_header(DownloadStatus &status);
bool write_to_disk(DownloadStatus &status); bool write_to_disk(DownloadStatus &status);
bool connect_to_server(void); bool connect_to_server(void);
bool safe_send(int socket, const char *data, int length, long timeout); int safe_send(int socket, const char *data, int length, long timeout);
int safe_receive(int socket, char *data, int length, long timeout, int safe_receive(int socket, char *data, int length, long timeout,
int &bytes); int &bytes);
bool parse_http_response(const string &resp); bool parse_http_response(const string &resp);