// Construct a URL object from the string representation
URL::URL(const std::string& url_str) {
if (url_str.empty()) throw std::invalid_argument("empty url string");
const std::string sr = boost::trim_copy(url_str);
try {
token_rest scheme_rest = get_scheme(sr);
scheme = scheme_rest.first;
std::cout << scheme_rest.first << " : " << scheme_rest.second << std::endl;
token_rest host_port_rest = get_host_port(scheme_rest.second);
std::cout << host_port_rest.first << " : " << host_port_rest.second << std::endl;
std::pair<std::string,uint16_t> host_port = split_host_port(host_port_rest.first);
std::cout << host_port.first << " : " << host_port.second << std::endl;
host = host_port.first;
port = host_port.second;
token_rest path_rest = get_path(host_port_rest.second);
std::cout << path_rest.first << std::endl;
path = path_rest.first;
if (path_rest.second.empty()) return;
token_rest query_rest = get_query(path_rest.second);
std::cout << query_rest.first << " : " << query_rest.second << std::endl;
if (!query_rest.first.empty()) {
query_key_vals = make_query_map(query_rest.first);
}
std::string fragment = get_fragment(query_rest.second);
std::cout << fragment << std::endl;
} catch(const std::exception &e) {
std::cerr << e.what() << std::endl;
throw e;
}
// parsed successfully, we can copy over the original arg
string_rep = url_str;
}
void HttpRequest::get_conn_host_port(std::string& host, unsigned int& port) const
{
if (m_proxy_host.empty())
{
get_host_port(host, port);
}
else
{
host = m_proxy_host;
port = m_proxy_port;
}
}
/* This function resumes listening on the specified proxy. It scans all of its
* listeners and tries to enable them all. If any of them fails, the proxy is
* put back to the paused state. It returns 1 upon success, or zero if an error
* is encountered.
*/
int resume_proxy(struct proxy *p)
{
struct listener *l;
int fail;
if (p->state != PR_STPAUSED)
return 1;
Warning("Enabling %s %s.\n", proxy_cap_str(p->cap), p->id);
send_log(p, LOG_WARNING, "Enabling %s %s.\n", proxy_cap_str(p->cap), p->id);
fail = 0;
for (l = p->listen; l != NULL; l = l->next) {
if (!resume_listener(l)) {
int port;
port = get_host_port(&l->addr);
if (port) {
Warning("Port %d busy while trying to enable %s %s.\n",
port, proxy_cap_str(p->cap), p->id);
send_log(p, LOG_WARNING, "Port %d busy while trying to enable %s %s.\n",
port, proxy_cap_str(p->cap), p->id);
}
else {
Warning("Bind on socket %d busy while trying to enable %s %s.\n",
l->luid, proxy_cap_str(p->cap), p->id);
send_log(p, LOG_WARNING, "Bind on socket %d busy while trying to enable %s %s.\n",
l->luid, proxy_cap_str(p->cap), p->id);
}
/* Another port might have been enabled. Let's stop everything. */
fail = 1;
break;
}
}
p->state = PR_STREADY;
if (fail) {
pause_proxy(p);
return 0;
}
return 1;
}
/* prepare the trash with a log prefix for session <sess>. It only works with
* embryonic sessions based on a real connection. This function requires that
* at sess->origin points to the incoming connection.
*/
static void session_prepare_log_prefix(struct session *sess)
{
struct tm tm;
char pn[INET6_ADDRSTRLEN];
int ret;
char *end;
struct connection *cli_conn = __objt_conn(sess->origin);
ret = addr_to_str(&cli_conn->addr.from, pn, sizeof(pn));
if (ret <= 0)
chunk_printf(&trash, "unknown [");
else if (ret == AF_UNIX)
chunk_printf(&trash, "%s:%d [", pn, sess->listener->luid);
else
chunk_printf(&trash, "%s:%d [", pn, get_host_port(&cli_conn->addr.from));
get_localtime(sess->accept_date.tv_sec, &tm);
end = date2str_log(trash.str + trash.len, &tm, &(sess->accept_date), trash.size - trash.len);
trash.len = end - trash.str;
if (sess->listener->name)
chunk_appendf(&trash, "] %s/%s", sess->fe->id, sess->listener->name);
else
chunk_appendf(&trash, "] %s/%d", sess->fe->id, sess->listener->luid);
}
/*
* This function assigns a server address to a session, and sets SN_ADDR_SET.
* The address is taken from the currently assigned server, or from the
* dispatch or transparent address.
*
* It may return :
* SRV_STATUS_OK if everything is OK.
* SRV_STATUS_INTERNAL for other unrecoverable errors.
*
* Upon successful return, the session flag SN_ADDR_SET is set. This flag is
* not cleared, so it's to the caller to clear it if required.
*
* The caller is responsible for having already assigned a connection
* to si->end.
*
*/
int assign_server_address(struct session *s)
{
struct connection *cli_conn = objt_conn(s->si[0].end);
struct connection *srv_conn = objt_conn(s->si[1].end);
#ifdef DEBUG_FULL
fprintf(stderr,"assign_server_address : s=%p\n",s);
#endif
if ((s->flags & SN_DIRECT) || (s->be->lbprm.algo & BE_LB_KIND)) {
/* A server is necessarily known for this session */
if (!(s->flags & SN_ASSIGNED))
return SRV_STATUS_INTERNAL;
srv_conn->addr.to = objt_server(s->target)->addr;
if (!is_addr(&srv_conn->addr.to) && cli_conn) {
/* if the server has no address, we use the same address
* the client asked, which is handy for remapping ports
* locally on multiple addresses at once. Nothing is done
* for AF_UNIX addresses.
*/
conn_get_to_addr(cli_conn);
if (cli_conn->addr.to.ss_family == AF_INET) {
((struct sockaddr_in *)&srv_conn->addr.to)->sin_addr = ((struct sockaddr_in *)&cli_conn->addr.to)->sin_addr;
} else if (cli_conn->addr.to.ss_family == AF_INET6) {
((struct sockaddr_in6 *)&srv_conn->addr.to)->sin6_addr = ((struct sockaddr_in6 *)&cli_conn->addr.to)->sin6_addr;
}
}
/* if this server remaps proxied ports, we'll use
* the port the client connected to with an offset. */
if ((objt_server(s->target)->flags & SRV_F_MAPPORTS) && cli_conn) {
int base_port;
conn_get_to_addr(cli_conn);
/* First, retrieve the port from the incoming connection */
base_port = get_host_port(&cli_conn->addr.to);
/* Second, assign the outgoing connection's port */
base_port += get_host_port(&srv_conn->addr.to);
set_host_port(&srv_conn->addr.to, base_port);
}
}
else if (s->be->options & PR_O_DISPATCH) {
/* connect to the defined dispatch addr */
srv_conn->addr.to = s->be->dispatch_addr;
}
else if ((s->be->options & PR_O_TRANSP) && cli_conn) {
/* in transparent mode, use the original dest addr if no dispatch specified */
conn_get_to_addr(cli_conn);
if (cli_conn->addr.to.ss_family == AF_INET || cli_conn->addr.to.ss_family == AF_INET6)
srv_conn->addr.to = cli_conn->addr.to;
}
else if (s->be->options & PR_O_HTTP_PROXY) {
/* If HTTP PROXY option is set, then server is already assigned
* during incoming client request parsing. */
}
else {
/* no server and no LB algorithm ! */
return SRV_STATUS_INTERNAL;
}
/* Copy network namespace from client connection */
srv_conn->proxy_netns = cli_conn ? cli_conn->proxy_netns : NULL;
s->flags |= SN_ADDR_SET;
return SRV_STATUS_OK;
}
// main function for parsing a string url into a url struct
url_t *parse_url(char const *const url_string,unsigned int *url_err_out) {
*url_err_out = UPARSE_ERROR;
url_t *url = (url_t *) malloc(sizeof(url_t));
if (NULL == url) {
fprintf(stderr,"cannot allocate url\n");
return NULL;
}
init_url_t(url);
url->original = strdup(url_string);
if (NULL == url->original) {
fprintf(stderr,"cannot allocate original\n");
free_url_t(url);
return NULL;
}
char *mut_url_string = strdup(url_string);
char *free_mut_url_string = mut_url_string;
if (NULL == mut_url_string) {
fprintf(stderr,"cannot allocate url\n");
free_url_t(url);
return NULL;
}
unsigned int scheme_out_err = 0;
url->scheme = get_scheme(&mut_url_string,&scheme_out_err);
if (NO_UPARSE_ERROR != scheme_out_err) {
fprintf(stderr,"fail from get_scheme\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
unsigned int host_port_out_err = 0;
host_port_t *host_port = get_host_port(&mut_url_string,&host_port_out_err);
if (NO_UPARSE_ERROR != host_port_out_err) {
fprintf(stderr,"fail from get_host_port\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
url->host = strdup(host_port->host);
if (NULL == url->host) {
fprintf(stderr,"cannot allocate host\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
url->port = host_port->port;
free_host_port_t(host_port);
unsigned int path_err_out = 0;
url->path_elt_list = get_path(&mut_url_string,&path_err_out);
if (NO_UPARSE_ERROR != path_err_out) {
fprintf(stderr,"fail from get_path\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
unsigned int query_err_out = 0;
url->query_arg_list = get_query_arg_list(&mut_url_string,&query_err_out);
if (UPARSE_ERROR == query_err_out) {
fprintf(stderr,"fail from get_query_arg_list\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
unsigned int fragment_err_out = 0;
url->fragment = get_fragment(&mut_url_string,&fragment_err_out);
if (UPARSE_ERROR == fragment_err_out) {
fprintf(stderr,"fail from get_fragment\n");
free_url_t(url);
free(free_mut_url_string);
return NULL;
}
free(free_mut_url_string);
*url_err_out = NO_UPARSE_ERROR;
return url;
}
/* Finish a stream accept() for a proxy (TCP or HTTP). It returns a negative
* value in case of a critical failure which must cause the listener to be
* disabled, a positive or null value in case of success.
*/
int frontend_accept(struct stream *s)
{
struct session *sess = s->sess;
struct connection *conn = objt_conn(sess->origin);
struct listener *l = sess->listener;
struct proxy *fe = sess->fe;
if (unlikely(fe->nb_req_cap > 0)) {
if ((s->req_cap = pool_alloc2(fe->req_cap_pool)) == NULL)
goto out_return; /* no memory */
memset(s->req_cap, 0, fe->nb_req_cap * sizeof(void *));
}
if (unlikely(fe->nb_rsp_cap > 0)) {
if ((s->res_cap = pool_alloc2(fe->rsp_cap_pool)) == NULL)
goto out_free_reqcap; /* no memory */
memset(s->res_cap, 0, fe->nb_rsp_cap * sizeof(void *));
}
if (fe->http_needed) {
/* we have to allocate header indexes only if we know
* that we may make use of them. This of course includes
* (mode == PR_MODE_HTTP).
*/
if (unlikely(!http_alloc_txn(s)))
goto out_free_rspcap; /* no memory */
/* and now initialize the HTTP transaction state */
http_init_txn(s);
}
if ((fe->mode == PR_MODE_TCP || fe->mode == PR_MODE_HTTP)
&& (!LIST_ISEMPTY(&fe->logsrvs))) {
if (likely(!LIST_ISEMPTY(&fe->logformat))) {
/* we have the client ip */
if (s->logs.logwait & LW_CLIP)
if (!(s->logs.logwait &= ~(LW_CLIP|LW_INIT)))
s->do_log(s);
}
else if (conn) {
char pn[INET6_ADDRSTRLEN], sn[INET6_ADDRSTRLEN];
conn_get_from_addr(conn);
conn_get_to_addr(conn);
switch (addr_to_str(&conn->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
addr_to_str(&conn->addr.to, sn, sizeof(sn));
send_log(fe, LOG_INFO, "Connect from %s:%d to %s:%d (%s/%s)\n",
pn, get_host_port(&conn->addr.from),
sn, get_host_port(&conn->addr.to),
fe->id, (fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
send_log(fe, LOG_INFO, "Connect to unix:%d (%s/%s)\n",
l->luid,
fe->id, (fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
}
}
}
if (unlikely((global.mode & MODE_DEBUG) && conn &&
(!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
char pn[INET6_ADDRSTRLEN];
conn_get_from_addr(conn);
switch (addr_to_str(&conn->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
chunk_printf(&trash, "%08x:%s.accept(%04x)=%04x from [%s:%d]\n",
s->uniq_id, fe->id, (unsigned short)l->fd, (unsigned short)conn->t.sock.fd,
pn, get_host_port(&conn->addr.from));
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
chunk_printf(&trash, "%08x:%s.accept(%04x)=%04x from [unix:%d]\n",
s->uniq_id, fe->id, (unsigned short)l->fd, (unsigned short)conn->t.sock.fd,
l->luid);
break;
}
shut_your_big_mouth_gcc(write(1, trash.str, trash.len));
}
if (fe->mode == PR_MODE_HTTP)
s->req.flags |= CF_READ_DONTWAIT; /* one read is usually enough */
/* everything's OK, let's go on */
return 1;
/* Error unrolling */
out_free_rspcap:
pool_free2(fe->rsp_cap_pool, s->res_cap);
out_free_reqcap:
pool_free2(fe->req_cap_pool, s->req_cap);
out_return:
return -1;
}
/* Finish a session accept() for a proxy (TCP or HTTP). It returns a negative
* value in case of a critical failure which must cause the listener to be
* disabled, a positive value in case of success, or zero if it is a success
* but the session must be closed ASAP (eg: monitoring).
*/
int frontend_accept(struct session *s)
{
int cfd = s->si[0].fd;
tv_zero(&s->logs.tv_request);
s->logs.t_queue = -1;
s->logs.t_connect = -1;
s->logs.t_data = -1;
s->logs.t_close = 0;
s->logs.bytes_in = s->logs.bytes_out = 0;
s->logs.prx_queue_size = 0; /* we get the number of pending conns before us */
s->logs.srv_queue_size = 0; /* we will get this number soon */
/* FIXME: the logs are horribly complicated now, because they are
* defined in <p>, <p>, and later <be> and <be>.
*/
s->do_log = sess_log;
/* default error reporting function, may be changed by analysers */
s->srv_error = default_srv_error;
/* Adjust some socket options */
if (s->listener->addr.ss_family == AF_INET || s->listener->addr.ss_family == AF_INET6) {
if (setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY,
(char *) &one, sizeof(one)) == -1)
goto out_return;
if (s->fe->options & PR_O_TCP_CLI_KA)
setsockopt(cfd, SOL_SOCKET, SO_KEEPALIVE,
(char *) &one, sizeof(one));
if (s->fe->options & PR_O_TCP_NOLING)
setsockopt(cfd, SOL_SOCKET, SO_LINGER,
(struct linger *) &nolinger, sizeof(struct linger));
#if defined(TCP_MAXSEG)
if (s->listener->maxseg < 0) {
/* we just want to reduce the current MSS by that value */
int mss;
socklen_t mss_len = sizeof(mss);
if (getsockopt(cfd, IPPROTO_TCP, TCP_MAXSEG, &mss, &mss_len) == 0) {
mss += s->listener->maxseg; /* remember, it's < 0 */
setsockopt(cfd, IPPROTO_TCP, TCP_MAXSEG, &mss, sizeof(mss));
}
}
#endif
}
if (global.tune.client_sndbuf)
setsockopt(cfd, SOL_SOCKET, SO_SNDBUF, &global.tune.client_sndbuf, sizeof(global.tune.client_sndbuf));
if (global.tune.client_rcvbuf)
setsockopt(cfd, SOL_SOCKET, SO_RCVBUF, &global.tune.client_rcvbuf, sizeof(global.tune.client_rcvbuf));
if (s->fe->mode == PR_MODE_HTTP) {
/* the captures are only used in HTTP frontends */
if (unlikely(s->fe->nb_req_cap > 0 &&
(s->txn.req.cap = pool_alloc2(s->fe->req_cap_pool)) == NULL))
goto out_return; /* no memory */
if (unlikely(s->fe->nb_rsp_cap > 0 &&
(s->txn.rsp.cap = pool_alloc2(s->fe->rsp_cap_pool)) == NULL))
goto out_free_reqcap; /* no memory */
}
if (s->fe->acl_requires & ACL_USE_L7_ANY) {
/* we have to allocate header indexes only if we know
* that we may make use of them. This of course includes
* (mode == PR_MODE_HTTP).
*/
s->txn.hdr_idx.size = global.tune.max_http_hdr;
if (unlikely((s->txn.hdr_idx.v = pool_alloc2(pool2_hdr_idx)) == NULL))
goto out_free_rspcap; /* no memory */
/* and now initialize the HTTP transaction state */
http_init_txn(s);
}
if ((s->fe->mode == PR_MODE_TCP || s->fe->mode == PR_MODE_HTTP)
&& (!LIST_ISEMPTY(&s->fe->logsrvs))) {
if (likely(s->fe->to_log)) {
/* we have the client ip */
if (s->logs.logwait & LW_CLIP)
if (!(s->logs.logwait &= ~LW_CLIP))
s->do_log(s);
}
else {
char pn[INET6_ADDRSTRLEN], sn[INET6_ADDRSTRLEN];
if (!(s->flags & SN_FRT_ADDR_SET))
get_frt_addr(s);
switch (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
addr_to_str(&s->req->prod->addr.to, sn, sizeof(sn));
send_log(s->fe, LOG_INFO, "Connect from %s:%d to %s:%d (%s/%s)\n",
pn, get_host_port(&s->req->prod->addr.from),
sn, get_host_port(&s->req->prod->addr.to),
s->fe->id, (s->fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
send_log(s->fe, LOG_INFO, "Connect to unix:%d (%s/%s)\n",
s->listener->luid,
s->fe->id, (s->fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
}
}
}
if (unlikely((global.mode & MODE_DEBUG) && (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
char pn[INET6_ADDRSTRLEN];
int len = 0;
if (!(s->flags & SN_FRT_ADDR_SET))
get_frt_addr(s);
switch (addr_to_str(&s->req->prod->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
len = sprintf(trash, "%08x:%s.accept(%04x)=%04x from [%s:%d]\n",
s->uniq_id, s->fe->id, (unsigned short)s->listener->fd, (unsigned short)cfd,
pn, get_host_port(&s->req->prod->addr.from));
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
len = sprintf(trash, "%08x:%s.accept(%04x)=%04x from [unix:%d]\n",
s->uniq_id, s->fe->id, (unsigned short)s->listener->fd, (unsigned short)cfd,
s->listener->luid);
break;
}
write(1, trash, len);
}
if (s->fe->mode == PR_MODE_HTTP)
s->req->flags |= BF_READ_DONTWAIT; /* one read is usually enough */
/* note: this should not happen anymore since there's always at least the switching rules */
if (!s->req->analysers) {
buffer_auto_connect(s->req); /* don't wait to establish connection */
buffer_auto_close(s->req); /* let the producer forward close requests */
}
s->req->rto = s->fe->timeout.client;
s->rep->wto = s->fe->timeout.client;
fdtab[cfd].flags = FD_FL_TCP | FD_FL_TCP_NODELAY;
if (s->fe->options & PR_O_TCP_NOLING)
fdtab[cfd].flags |= FD_FL_TCP_NOLING;
if (unlikely((s->fe->mode == PR_MODE_HTTP && (s->flags & SN_MONITOR)) ||
(s->fe->mode == PR_MODE_HEALTH && ((s->fe->options2 & PR_O2_CHK_ANY) == PR_O2_HTTP_CHK)))) {
/* Either we got a request from a monitoring system on an HTTP instance,
* or we're in health check mode with the 'httpchk' option enabled. In
* both cases, we return a fake "HTTP/1.0 200 OK" response and we exit.
*/
struct chunk msg;
chunk_initstr(&msg, "HTTP/1.0 200 OK\r\n\r\n");
stream_int_retnclose(&s->si[0], &msg); /* forge a 200 response */
s->req->analysers = 0;
s->task->expire = s->rep->wex;
EV_FD_CLR(cfd, DIR_RD);
}
else if (unlikely(s->fe->mode == PR_MODE_HEALTH)) { /* health check mode, no client reading */
struct chunk msg;
chunk_initstr(&msg, "OK\n");
stream_int_retnclose(&s->si[0], &msg); /* forge an "OK" response */
s->req->analysers = 0;
s->task->expire = s->rep->wex;
EV_FD_CLR(cfd, DIR_RD);
}
/* everything's OK, let's go on */
return 1;
/* Error unrolling */
out_free_rspcap:
pool_free2(s->fe->rsp_cap_pool, s->txn.rsp.cap);
out_free_reqcap:
pool_free2(s->fe->req_cap_pool, s->txn.req.cap);
out_return:
return -1;
}
char *load_config_from_string(struct config *config, char *buf, int testing) {
char *err = "unknown error";
char *host, *key;
int port, key_sz;
int proxies = 0, servers = 0;
char **lines = (char**)malloc(sizeof(char*) * MAX_CONFIG_LINES);
int lines_no = split_line(lines, MAX_CONFIG_LINES, buf, "\n\r", "");
int line_no = 0;
for(line_no = 0; line_no < lines_no; line_no++) {
char *line = lines[line_no];
char *argv[32];
int argc = split_line(argv, NELEM(argv), line, " ,\t", "#");
if(argc == 0)
continue;
if(0 == strcmp(argv[0], "proxy")) {
if(argc != 1+1) {
err = "Expected exactly one argument";
goto error;
}
if(0 != get_host_port(&host, &port, argv[1])) {
err = "Bad host description or port number";
goto error;
}
if(!testing && -1 == new_st_proxy(config, host, port)){
err = "Duplicate proxy";
goto error;
}
proxies++;
}else
if(0 == strcmp(argv[0], "server")) {
if(argc != 3+1 && argc != 2+1) {
err = "Expected two or three arguments";
goto error;
}
if(0 != get_host_port(&host, &port, argv[1])) {
err = "Bad host description or port number";
goto error;
}
int weight = atoi(argv[2]);
if(weight < 1 || weight > 999999) {
err = "Broken weight value";
goto error;
}
if(argc == 3+1) {
if(0 != decode_hex(&key, &key_sz, argv[3])) {
err = "Broken key value";
goto error;
}
} else {
key = "";
key_sz = 0;
}
if(!testing && -1 == new_st_server(config, host, port, weight, key, key_sz)) {
err = "Duplicate server";
goto error;
}
servers++;
} else {
err = argv[0];//"Unrecognized keyword";
goto error;
}
}
if(!proxies) {
err = "No proxies defined in config, not even myself!\n"
"Are you sure it's a correct autogenerated file?";
goto error;
}
if(!servers) {
err = "No servers defined in config. It's broken!";
goto error;
}
free(lines);
return(NULL);
error:;
free(lines);
static char line[256];
snprintf(line, sizeof(line), "%s on line %i", err, line_no+1);
return(line);
}
/* Finish a session accept() for a proxy (TCP or HTTP). It returns a negative
* value in case of a critical failure which must cause the listener to be
* disabled, a positive value in case of success, or zero if it is a success
* but the session must be closed ASAP (eg: monitoring).
*/
int frontend_accept(struct session *s)
{
int cfd = s->si[0].conn->t.sock.fd;
tv_zero(&s->logs.tv_request);
s->logs.t_queue = -1;
s->logs.t_connect = -1;
s->logs.t_data = -1;
s->logs.t_close = 0;
s->logs.bytes_in = s->logs.bytes_out = 0;
s->logs.prx_queue_size = 0; /* we get the number of pending conns before us */
s->logs.srv_queue_size = 0; /* we will get this number soon */
/* FIXME: the logs are horribly complicated now, because they are
* defined in <p>, <p>, and later <be> and <be>.
*/
s->do_log = sess_log;
/* default error reporting function, may be changed by analysers */
s->srv_error = default_srv_error;
/* Adjust some socket options */
if (s->listener->addr.ss_family == AF_INET || s->listener->addr.ss_family == AF_INET6) {
if (setsockopt(cfd, IPPROTO_TCP, TCP_NODELAY,
(char *) &one, sizeof(one)) == -1)
goto out_return;
if (s->fe->options & PR_O_TCP_CLI_KA)
setsockopt(cfd, SOL_SOCKET, SO_KEEPALIVE,
(char *) &one, sizeof(one));
if (s->fe->options & PR_O_TCP_NOLING)
setsockopt(cfd, SOL_SOCKET, SO_LINGER,
(struct linger *) &nolinger, sizeof(struct linger));
#if defined(TCP_MAXSEG)
if (s->listener->maxseg < 0) {
/* we just want to reduce the current MSS by that value */
int mss;
socklen_t mss_len = sizeof(mss);
if (getsockopt(cfd, IPPROTO_TCP, TCP_MAXSEG, &mss, &mss_len) == 0) {
mss += s->listener->maxseg; /* remember, it's < 0 */
setsockopt(cfd, IPPROTO_TCP, TCP_MAXSEG, &mss, sizeof(mss));
}
}
#endif
}
if (global.tune.client_sndbuf)
setsockopt(cfd, SOL_SOCKET, SO_SNDBUF, &global.tune.client_sndbuf, sizeof(global.tune.client_sndbuf));
if (global.tune.client_rcvbuf)
setsockopt(cfd, SOL_SOCKET, SO_RCVBUF, &global.tune.client_rcvbuf, sizeof(global.tune.client_rcvbuf));
if (s->fe->mode == PR_MODE_HTTP) {
/* the captures are only used in HTTP frontends */
if (unlikely(s->fe->nb_req_cap > 0 &&
(s->txn.req.cap = pool_alloc2(s->fe->req_cap_pool)) == NULL))
goto out_return; /* no memory */
if (unlikely(s->fe->nb_rsp_cap > 0 &&
(s->txn.rsp.cap = pool_alloc2(s->fe->rsp_cap_pool)) == NULL))
goto out_free_reqcap; /* no memory */
}
if (s->fe->http_needed) {
/* we have to allocate header indexes only if we know
* that we may make use of them. This of course includes
* (mode == PR_MODE_HTTP).
*/
s->txn.hdr_idx.size = global.tune.max_http_hdr;
if (unlikely((s->txn.hdr_idx.v = pool_alloc2(pool2_hdr_idx)) == NULL))
goto out_free_rspcap; /* no memory */
/* and now initialize the HTTP transaction state */
http_init_txn(s);
}
if ((s->fe->mode == PR_MODE_TCP || s->fe->mode == PR_MODE_HTTP)
&& (!LIST_ISEMPTY(&s->fe->logsrvs))) {
if (likely(!LIST_ISEMPTY(&s->fe->logformat))) {
/* we have the client ip */
if (s->logs.logwait & LW_CLIP)
if (!(s->logs.logwait &= ~(LW_CLIP|LW_INIT)))
s->do_log(s);
}
else {
char pn[INET6_ADDRSTRLEN], sn[INET6_ADDRSTRLEN];
conn_get_from_addr(s->req->prod->conn);
conn_get_to_addr(s->req->prod->conn);
switch (addr_to_str(&s->req->prod->conn->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
addr_to_str(&s->req->prod->conn->addr.to, sn, sizeof(sn));
send_log(s->fe, LOG_INFO, "Connect from %s:%d to %s:%d (%s/%s)\n",
pn, get_host_port(&s->req->prod->conn->addr.from),
sn, get_host_port(&s->req->prod->conn->addr.to),
s->fe->id, (s->fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
send_log(s->fe, LOG_INFO, "Connect to unix:%d (%s/%s)\n",
s->listener->luid,
s->fe->id, (s->fe->mode == PR_MODE_HTTP) ? "HTTP" : "TCP");
break;
}
}
}
if (unlikely((global.mode & MODE_DEBUG) && (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)))) {
char pn[INET6_ADDRSTRLEN];
conn_get_from_addr(s->req->prod->conn);
switch (addr_to_str(&s->req->prod->conn->addr.from, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
chunk_printf(&trash, "%08x:%s.accept(%04x)=%04x from [%s:%d]\n",
s->uniq_id, s->fe->id, (unsigned short)s->listener->fd, (unsigned short)cfd,
pn, get_host_port(&s->req->prod->conn->addr.from));
break;
case AF_UNIX:
/* UNIX socket, only the destination is known */
chunk_printf(&trash, "%08x:%s.accept(%04x)=%04x from [unix:%d]\n",
s->uniq_id, s->fe->id, (unsigned short)s->listener->fd, (unsigned short)cfd,
s->listener->luid);
break;
}
if (write(1, trash.str, trash.len) < 0) /* shut gcc warning */;
}
if (s->fe->mode == PR_MODE_HTTP)
s->req->flags |= CF_READ_DONTWAIT; /* one read is usually enough */
/* note: this should not happen anymore since there's always at least the switching rules */
if (!s->req->analysers) {
channel_auto_connect(s->req); /* don't wait to establish connection */
channel_auto_close(s->req); /* let the producer forward close requests */
}
s->req->rto = s->fe->timeout.client;
s->rep->wto = s->fe->timeout.client;
/* everything's OK, let's go on */
return 1;
/* Error unrolling */
out_free_rspcap:
pool_free2(s->fe->rsp_cap_pool, s->txn.rsp.cap);
out_free_reqcap:
pool_free2(s->fe->req_cap_pool, s->txn.req.cap);
out_return:
return -1;
}
