*
* Web service library with GLib integration
*
- * Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2009-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <stdio.h>
#include <errno.h>
+#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/socket.h>
+#include <sys/sendfile.h>
+#include <sys/stat.h>
#include <arpa/inet.h>
#include <netdb.h>
+#include <net/if.h>
+#include <netinet/tcp.h>
+#include <ifaddrs.h>
#include "giognutls.h"
#include "gresolv.h"
GWebResult result;
GWebResultFunc result_func;
+ GWebRouteFunc route_func;
GWebInputFunc input_func;
+ int fd;
+ gsize length;
+ gsize offset;
gpointer user_data;
};
struct _GWeb {
- gint ref_count;
+ int ref_count;
guint next_query_id;
+ int family;
+
int index;
GList *session_list;
static void free_session(struct web_session *session)
{
- GWeb *web = session->web;
+ GWeb *web;
if (session == NULL)
return;
g_free(session->request);
+ web = session->web;
if (session->resolv_action > 0)
g_resolv_cancel_lookup(web->resolv, session->resolv_action);
web->next_query_id = 1;
+ web->family = AF_UNSPEC;
+
web->index = index;
web->session_list = NULL;
if (web == NULL)
return NULL;
- g_atomic_int_inc(&web->ref_count);
+ __sync_fetch_and_add(&web->ref_count, 1);
return web;
}
if (web == NULL)
return;
- if (g_atomic_int_dec_and_test(&web->ref_count) == FALSE)
+ if (__sync_fetch_and_sub(&web->ref_count, 1) != 1)
return;
flush_sessions(web);
g_free(web);
}
+gboolean g_web_supports_tls(void)
+{
+ return g_io_channel_supports_tls();
+}
+
void g_web_set_debug(GWeb *web, GWebDebugFunc func, gpointer user_data)
{
if (web == NULL)
return TRUE;
}
+gboolean g_web_set_address_family(GWeb *web, int family)
+{
+ if (web == NULL)
+ return FALSE;
+
+ if (family != AF_UNSPEC && family != AF_INET && family != AF_INET6)
+ return FALSE;
+
+ web->family = family;
+
+ g_resolv_set_address_family(web->resolv, family);
+
+ return TRUE;
+}
+
gboolean g_web_add_nameserver(GWeb *web, const char *address)
{
if (web == NULL)
result == TRUE ? "continue" : "stop");
}
+static inline void call_route_func(struct web_session *session)
+{
+ if (session->route_func != NULL)
+ session->route_func(session->address, session->addr->ai_family,
+ session->web->index, session->user_data);
+}
+
static gboolean process_send_buffer(struct web_session *session)
{
- GString *buf = session->send_buffer;
+ GString *buf;
gsize count, bytes_written;
GIOStatus status;
+ if (session == NULL)
+ return FALSE;
+
+ buf = session->send_buffer;
count = buf->len;
if (count == 0) {
if (session->request_started == TRUE &&
- session->more_data == FALSE)
+ session->more_data == FALSE &&
+ session->fd == -1)
session->body_done = TRUE;
return FALSE;
}
- debug(session->web, "bytes to write %zu", count);
-
status = g_io_channel_write_chars(session->transport_channel,
buf->str, count, &bytes_written, NULL);
- debug(session->web, "status %u bytes written %zu",
- status, bytes_written);
+ debug(session->web, "status %u bytes to write %zu bytes written %zu",
+ status, count, bytes_written);
if (status != G_IO_STATUS_NORMAL && status != G_IO_STATUS_AGAIN)
return FALSE;
return TRUE;
}
+static gboolean process_send_file(struct web_session *session)
+{
+ int sk;
+ off_t offset;
+ ssize_t bytes_sent;
+
+ if (session->fd == -1)
+ return FALSE;
+
+ if (session->request_started == FALSE || session->more_data == TRUE)
+ return FALSE;
+
+ sk = g_io_channel_unix_get_fd(session->transport_channel);
+ if (sk < 0)
+ return FALSE;
+
+ offset = session->offset;
+
+ bytes_sent = sendfile(sk, session->fd, &offset, session->length);
+
+ debug(session->web, "errno: %d, bytes to send %zu / bytes sent %zu",
+ errno, session->length, bytes_sent);
+
+ if (bytes_sent < 0 && errno != EAGAIN)
+ return FALSE;
+
+ session->offset = offset;
+ session->length -= bytes_sent;
+
+ if (session->length == 0) {
+ session->body_done = TRUE;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
static void process_next_chunk(struct web_session *session)
{
GString *buf = session->send_buffer;
session->content_type);
if (session->input_func == NULL) {
session->more_data = FALSE;
- length = 0;
+ length = session->length;
} else
session->more_data = session->input_func(&body, &length,
session->user_data);
g_string_append_printf(buf, "%zx\r\n", length);
g_string_append_len(buf, (char *) body, length);
g_string_append(buf, "\r\n");
- } else
+ } else if (session->fd == -1)
g_string_append_len(buf, (char *) body, length);
}
}
if (process_send_buffer(session) == TRUE)
return TRUE;
+ if (process_send_file(session) == TRUE)
+ return TRUE;
+
if (session->request_started == FALSE) {
session->request_started = TRUE;
start_request(session);
return TRUE;
}
+static int bind_to_address(int sk, const char *interface, int family)
+{
+ struct ifaddrs *ifaddr_list, *ifaddr;
+ int size, err = -1;
+
+ if (getifaddrs(&ifaddr_list) < 0)
+ return err;
+
+ for (ifaddr = ifaddr_list; ifaddr != NULL; ifaddr = ifaddr->ifa_next) {
+ if (g_strcmp0(ifaddr->ifa_name, interface) != 0)
+ continue;
+
+ if (ifaddr->ifa_addr == NULL ||
+ ifaddr->ifa_addr->sa_family != family)
+ continue;
+
+ switch (family) {
+ case AF_INET:
+ size = sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ size = sizeof(struct sockaddr_in6);
+ break;
+ default:
+ continue;
+ }
+
+ err = bind(sk, (struct sockaddr *) ifaddr->ifa_addr, size);
+ break;
+ }
+
+ freeifaddrs(ifaddr_list);
+ return err;
+}
+
+static inline int bind_socket(int sk, int index, int family)
+{
+ char interface[IF_NAMESIZE];
+ int err;
+
+ if (if_indextoname(index, interface) == NULL)
+ return -1;
+
+ err = setsockopt(sk, SOL_SOCKET, SO_BINDTODEVICE,
+ interface, IF_NAMESIZE);
+ if (err < 0)
+ err = bind_to_address(sk, interface, family);
+
+ return err;
+}
+
static int connect_session_transport(struct web_session *session)
{
GIOFlags flags;
int sk;
- sk = socket(session->addr->ai_family, SOCK_STREAM, IPPROTO_TCP);
+ sk = socket(session->addr->ai_family, SOCK_STREAM | SOCK_CLOEXEC,
+ IPPROTO_TCP);
if (sk < 0)
return -EIO;
+ if (session->web->index > 0) {
+ if (bind_socket(sk, session->web->index,
+ session->addr->ai_family) < 0) {
+ debug(session->web, "bind() %s", strerror(errno));
+ close(sk);
+ return -EIO;
+ }
+ }
+
if (session->flags & SESSION_FLAG_USE_TLS) {
debug(session->web, "using TLS encryption");
session->transport_channel = g_io_channel_gnutls_new(sk);
}
if (session->transport_channel == NULL) {
+ debug(session->web, "channel missing");
close(sk);
return -ENOMEM;
}
if (connect(sk, session->addr->ai_addr,
session->addr->ai_addrlen) < 0) {
if (errno != EINPROGRESS) {
+ debug(session->web, "connect() %s", strerror(errno));
close(sk);
return -EIO;
}
{
struct web_session *session = user_data;
struct addrinfo hints;
+ char *port;
int ret;
if (results == NULL || results[0] == NULL) {
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_flags = AI_NUMERICHOST;
+ hints.ai_family = session->web->family;
if (session->addr != NULL) {
freeaddrinfo(session->addr);
session->addr = NULL;
}
- ret = getaddrinfo(results[0], NULL, &hints, &session->addr);
+ port = g_strdup_printf("%u", session->port);
+ ret = getaddrinfo(results[0], port, &hints, &session->addr);
+ g_free(port);
if (ret != 0 || session->addr == NULL) {
call_result_func(session, 400);
return;
}
session->address = g_strdup(results[0]);
+ call_route_func(session);
if (create_transport(session) < 0) {
call_result_func(session, 409);
static guint do_request(GWeb *web, const char *url,
const char *type, GWebInputFunc input,
- GWebResultFunc func, gpointer user_data)
+ int fd, gsize length, GWebResultFunc func,
+ GWebRouteFunc route, gpointer user_data)
{
struct web_session *session;
session->web = web;
session->result_func = func;
+ session->route_func = route;
session->input_func = input;
+ session->fd = fd;
+ session->length = length;
+ session->offset = 0;
session->user_data = user_data;
session->receive_buffer = g_try_malloc(DEFAULT_BUFFER_SIZE);
return 0;
}
} else {
+ struct addrinfo hints;
+ char *port;
+ int ret;
+
if (session->address == NULL)
session->address = g_strdup(session->host);
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_flags = AI_NUMERICHOST;
+ hints.ai_family = session->web->family;
+
+ if (session->addr != NULL) {
+ freeaddrinfo(session->addr);
+ session->addr = NULL;
+ }
+
+ port = g_strdup_printf("%u", session->port);
+ ret = getaddrinfo(session->address, port, &hints,
+ &session->addr);
+ g_free(port);
+ if (ret != 0 || session->addr == NULL) {
+ free_session(session);
+ return 0;
+ }
+
if (create_transport(session) < 0) {
free_session(session);
return 0;
return web->next_query_id++;
}
-guint g_web_request_get(GWeb *web, const char *url,
- GWebResultFunc func, gpointer user_data)
+guint g_web_request_get(GWeb *web, const char *url, GWebResultFunc func,
+ GWebRouteFunc route, gpointer user_data)
{
- return do_request(web, url, NULL, NULL, func, user_data);
+ return do_request(web, url, NULL, NULL, -1, 0, func, route, user_data);
}
guint g_web_request_post(GWeb *web, const char *url,
const char *type, GWebInputFunc input,
GWebResultFunc func, gpointer user_data)
{
- return do_request(web, url, type, input, func, user_data);
+ return do_request(web, url, type, input, -1, 0, func, NULL, user_data);
+}
+
+guint g_web_request_post_file(GWeb *web, const char *url,
+ const char *type, const char *file,
+ GWebResultFunc func, gpointer user_data)
+{
+ struct stat st;
+ int fd;
+ guint ret;
+
+ if (stat(file, &st) < 0)
+ return 0;
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0)
+ return 0;
+
+ ret = do_request(web, url, type, NULL, fd, st.st_size, func, NULL,
+ user_data);
+ if (ret == 0)
+ close(fd);
+
+ return ret;
}
gboolean g_web_cancel_request(GWeb *web, guint id)
if (parser == NULL)
return NULL;
- g_atomic_int_inc(&parser->ref_count);
+ __sync_fetch_and_add(&parser->ref_count, 1);
return parser;
}
if (parser == NULL)
return;
- if (g_atomic_int_dec_and_test(&parser->ref_count) == FALSE)
+ if (__sync_fetch_and_sub(&parser->ref_count, 1) != 1)
return;
g_string_free(parser->content, TRUE);