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nghttp: Print failed address

This commit is contained in:
Tatsuhiro Tsujikawa 2014-12-17 00:26:41 +09:00
parent 4bc9f2422b
commit adc22ec80b
1 changed files with 28 additions and 6 deletions
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34
src/nghttp.cc
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@ -171,6 +171,20 @@ std::string strip_fragment(const char *raw_uri) {
}
} // namespace
namespace {
// Returns numeric address string of |addr|. If getnameinfo() is
// failed, "unknown" is returned.
std::string numeric_name(addrinfo *addr) {
char host[NI_MAXHOST];
auto rv = getnameinfo(addr->ai_addr, addr->ai_addrlen, host, sizeof(host),
nullptr, 0, NI_NUMERICHOST);
if (rv != 0) {
return "unknown";
}
return host;
}
} // namespace
namespace {
struct Request;
} // namespace
@ -453,6 +467,7 @@ struct HttpClient {
event *settings_timerev;
addrinfo *addrs;
addrinfo *next_addr;
addrinfo *cur_addr;
// The number of completed requests, including failed ones.
size_t complete;
// The length of settings_payload
@ -470,9 +485,9 @@ struct HttpClient {
SSL_CTX *ssl_ctx)
: session(nullptr), callbacks(callbacks), evbase(evbase),
ssl_ctx(ssl_ctx), ssl(nullptr), bev(nullptr), settings_timerev(nullptr),
addrs(nullptr), next_addr(nullptr), complete(0), settings_payloadlen(0),
state(STATE_IDLE), upgrade_response_status_code(0),
upgrade_response_complete(false) {}
addrs(nullptr), next_addr(nullptr), cur_addr(nullptr), complete(0),
settings_payloadlen(0), state(STATE_IDLE),
upgrade_response_status_code(0), upgrade_response_complete(false) {}
~HttpClient() {
disconnect();
@ -541,7 +556,9 @@ struct HttpClient {
bev = bufferevent_socket_new(evbase, -1, BEV_OPT_DEFER_CALLBACKS);
}
rv = -1;
cur_addr = nullptr;
while (next_addr) {
cur_addr = next_addr;
rv = bufferevent_socket_connect(bev, next_addr->ai_addr,
next_addr->ai_addrlen);
next_addr = next_addr->ai_next;
@ -1807,8 +1824,11 @@ void eventcb(bufferevent *bev, short events, void *ptr) {
auto state = client->state;
client->disconnect();
if (state == STATE_IDLE) {
auto failed_name = numeric_name(client->cur_addr);
if (client->initiate_connection() == 0) {
std::cerr << "Trying next address" << std::endl;
std::cerr << "[ERROR] EOF from " << failed_name << "\n"
<< "Trying next address " << numeric_name(client->cur_addr)
<< std::endl;
}
}
return;
@ -1816,7 +1836,8 @@ void eventcb(bufferevent *bev, short events, void *ptr) {
if (events & (BEV_EVENT_ERROR | BEV_EVENT_TIMEOUT)) {
if (events & BEV_EVENT_ERROR) {
if (client->state == STATE_IDLE) {
std::cerr << "[ERROR] Could not connect to the host" << std::endl;
std::cerr << "[ERROR] Could not connect to the address "
<< numeric_name(client->cur_addr) << std::endl;
} else {
std::cerr << "[ERROR] Network error" << std::endl;
}
@ -1827,7 +1848,8 @@ void eventcb(bufferevent *bev, short events, void *ptr) {
client->disconnect();
if (state == STATE_IDLE) {
if (client->initiate_connection() == 0) {
std::cerr << "Trying next address" << std::endl;
std::cerr << "Trying next address " << numeric_name(client->cur_addr)
<< std::endl;
}
}
return;