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nghttpx: Refactor split_host_port

This commit is contained in:
Tatsuhiro Tsujikawa 2016-03-24 00:35:13 +09:00
parent 144ae3af9d
commit 44ee67ff71
1 changed files with 18 additions and 19 deletions
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37
src/shrpx_config.cc
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@ -78,31 +78,30 @@ TicketKeys::~TicketKeys() {
namespace {
int split_host_port(char *host, size_t hostlen, uint16_t *port_ptr,
const char *hostport, size_t hostportlen) {
const StringRef &hostport, const char *opt) {
// host and port in |hostport| is separated by single ','.
const char *p = strchr(hostport, ',');
if (!p) {
LOG(ERROR) << "Invalid host, port: " << hostport;
auto sep = std::find(std::begin(hostport), std::end(hostport), ',');
if (sep == std::end(hostport)) {
LOG(ERROR) << opt << ": Invalid host, port: " << hostport;
return -1;
}
size_t len = p - hostport;
size_t len = sep - std::begin(hostport);
if (hostlen < len + 1) {
LOG(ERROR) << "Hostname too long: " << hostport;
LOG(ERROR) << opt << ": Hostname too long: " << hostport;
return -1;
}
memcpy(host, hostport, len);
std::copy(std::begin(hostport), sep, host);
host[len] = '\0';
errno = 0;
auto portlen = hostportlen - len - 1;
auto d = util::parse_uint(reinterpret_cast<const uint8_t *>(p + 1), portlen);
auto portstr = StringRef{sep + 1, std::end(hostport)};
auto d = util::parse_uint(portstr);
if (1 <= d && d <= std::numeric_limits<uint16_t>::max()) {
*port_ptr = d;
return 0;
} else {
LOG(ERROR) << "Port is invalid: " << std::string(p + 1, portlen);
return -1;
}
LOG(ERROR) << opt << ": Port is invalid: " << portstr;
return -1;
}
} // namespace
@ -1753,8 +1752,8 @@ int parse_config(const char *opt, const char *optarg,
addr.host = ImmutableString(path, addr_end);
addr.host_unix = true;
} else {
if (split_host_port(host, sizeof(host), &port, src.c_str(),
addr_end - std::begin(src)) == -1) {
if (split_host_port(host, sizeof(host), &port,
StringRef{std::begin(src), addr_end}, opt) == -1) {
return -1;
}
@ -1802,8 +1801,8 @@ int parse_config(const char *opt, const char *optarg,
return 0;
}
if (split_host_port(host, sizeof(host), &port, src.c_str(),
addr_end - std::begin(src)) == -1) {
if (split_host_port(host, sizeof(host), &port,
StringRef{std::begin(src), addr_end}, opt) == -1) {
return -1;
}
@ -2451,8 +2450,8 @@ int parse_config(const char *opt, const char *optarg,
return -1;
}
if (split_host_port(host, sizeof(host), &port, src.c_str(),
addr_end - std::begin(src)) == -1) {
if (split_host_port(host, sizeof(host), &port,
StringRef{std::begin(src), addr_end}, opt) == -1) {
return -1;
}