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Fix #285. Added set_interface method on client

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yhirose 2019-12-15 16:11:16 -05:00
parent 10759f0a38
commit 9a41b16cbb
2 changed files with 66 additions and 5 deletions
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67
httplib.h
View file

@ -114,6 +114,7 @@ using socket_t = SOCKET;
#include <arpa/inet.h>
#include <cstring>
#include <ifaddrs.h>
#include <netdb.h>
#include <netinet/in.h>
#ifdef CPPHTTPLIB_USE_POLL
@ -743,6 +744,8 @@ public:
void set_compress(bool on);
void set_interface(const char *intf);
protected:
bool process_request(Stream &strm, const Request &req, Response &res,
bool last_connection, bool &connection_close);
@ -758,6 +761,7 @@ protected:
std::string username_;
std::string password_;
bool compress_;
std::string interface_;
private:
socket_t create_client_socket() const;
@ -1348,10 +1352,62 @@ inline bool is_connection_error() {
#endif
}
inline bool bind_ip_address(socket_t sock, const char *host) {
struct addrinfo hints;
struct addrinfo *result;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = 0;
if (getaddrinfo(host, "0", &hints, &result)) { return false; }
bool ret = false;
for (auto rp = result; rp; rp = rp->ai_next) {
const auto &ai = *rp;
if (!::bind(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen))) {
ret = true;
break;
}
}
freeaddrinfo(result);
return ret;
}
inline std::string if2ip(const std::string &ifn) {
#ifndef _WIN32
struct ifaddrs *ifap;
getifaddrs(&ifap);
for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr && ifn == ifa->ifa_name) {
if (ifa->ifa_addr->sa_family == AF_INET) {
auto sa = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr);
char buf[INET_ADDRSTRLEN];
if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) {
freeifaddrs(ifap);
return std::string(buf, INET_ADDRSTRLEN);
}
}
}
}
freeifaddrs(ifap);
#endif
return std::string();
}
inline socket_t create_client_socket(const char *host, int port,
time_t timeout_sec) {
time_t timeout_sec,
const std::string &intf) {
return create_socket(
host, port, [=](socket_t sock, struct addrinfo &ai) -> bool {
host, port, [&](socket_t sock, struct addrinfo &ai) -> bool {
if (!intf.empty()) {
auto ip = if2ip(intf);
if (ip.empty()) { ip = intf; }
if (!bind_ip_address(sock, ip.c_str())) { return false; }
}
set_nonblocking(sock, true);
auto ret = ::connect(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen));
@ -3312,7 +3368,8 @@ inline Client::~Client() {}
inline bool Client::is_valid() const { return true; }
inline socket_t Client::create_client_socket() const {
return detail::create_client_socket(host_.c_str(), port_, timeout_sec_);
return detail::create_client_socket(host_.c_str(), port_, timeout_sec_,
interface_);
}
inline bool Client::read_response_line(Stream &strm, Response &res) {
@ -3942,6 +3999,10 @@ inline void Client::set_follow_location(bool on) { follow_location_ = on; }
inline void Client::set_compress(bool on) { compress_ = on; }
inline void Client::set_interface(const char *intf) {
interface_ = intf;
}
/*
* SSL Implementation
*/

4
test/test.cc
View file

@ -1817,8 +1817,8 @@ TEST_F(ServerTest, MultipartFormDataGzip) {
// Sends a raw request to a server listening at HOST:PORT.
static bool send_request(time_t read_timeout_sec, const std::string &req) {
auto client_sock =
detail::create_client_socket(HOST, PORT, /*timeout_sec=*/5);
auto client_sock = detail::create_client_socket(HOST, PORT, /*timeout_sec=*/5,
std::string());
if (client_sock == INVALID_SOCKET) { return false; }