ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2026-04-29 15:37:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

better error handling for FD limit detection

Browse Source
This commit is contained in:
Peter Thorson
2011-12-10 07:29:28 -06:00
parent 07cf4c9318
commit a21d2a6be8
1 changed files with 15 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
examples/stress_client/stress_client.cpp
View File

@@ -87,6 +87,7 @@ int main(int argc, char* argv[]) {
// 12288 is max OS X limit without changing kernal settings
const rlim_t ideal_size = 200+num_connections;
rlim_t old_size;
rlim_t old_max;
struct rlimit rl;
int result;
@@ -96,16 +97,24 @@ int main(int argc, char* argv[]) {
//std::cout << "System FD limits: " << rl.rlim_cur << " max: " << rl.rlim_max << std::endl;
old_size = rl.rlim_cur;
old_max = rl.rlim_max;
if (rl.rlim_cur < ideal_size) {
std::cout << "Attempting to raise system file descriptor limit from " << rl.rlim_cur << " to " << ideal_size << std::endl;
rl.rlim_cur = ideal_size;
result = setrlimit(RLIMIT_NOFILE, &rl);
if (result != 0) {
std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: " << errno << " system max: " << rl.rlim_max << std::endl;
} else {
std::cout << "Success" << std::endl;
if (rl.rlim_max < ideal_size) {
rl.rlim_max = ideal_size;
}
result = setrlimit(RLIMIT_NOFILE, &rl);
if (result == 0) {
std::cout << "Success" << std::endl;
} else if (result == EPERM) {
std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: Insufficient permissions. Try running process as root. system max: " << old_max << std::endl;
} else {
std::cout << "Failed. This server will be limited to " << old_size << " concurrent connections. Error code: " << errno << " system max: " old_max << std::endl;
}
}
}