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#include <string.h>
#include "civetweb/civetweb.h"
#include "rgw_civetweb.h"
#define dout_subsys ceph_subsys_rgw
int RGWMongoose::write_data(const char *buf, int len)
{
if (!header_done) {
header_data.append(buf, len);
return 0;
}
if (!sent_header) {
data.append(buf, len);
return 0;
}
return mg_write(conn, buf, len);
}
RGWMongoose::RGWMongoose(mg_connection *_conn, int _port) : conn(_conn), port(_port), header_done(false), sent_header(false), has_content_length(false),
explicit_keepalive(false)
{
}
int RGWMongoose::read_data(char *buf, int len)
{
return mg_read(conn, buf, len);
}
void RGWMongoose::flush()
{
}
int RGWMongoose::complete_request()
{
if (!sent_header) {
if (!has_content_length) {
header_done = false; /* let's go back to writing the header */
if (0 && data.length() == 0) {
has_content_length = true;
print("Transfer-Enconding: %s\r\n", "chunked");
data.append("0\r\n\r\n", sizeof("0\r\n\r\n")-1);
} else {
int r = send_content_length(data.length());
if (r < 0)
return r;
}
}
complete_header();
}
if (data.length()) {
int r = write_data(data.c_str(), data.length());
if (r < 0)
return r;
data.clear();
}
return 0;
}
void RGWMongoose::init_env(CephContext *cct)
{
env.init(cct);
struct mg_request_info *info = mg_get_request_info(conn);
if (!info)
return;
for (int i = 0; i < info->num_headers; i++) {
struct mg_request_info::mg_header *header = &info->http_headers[i];
if (strcasecmp(header->name, "content-length") == 0) {
env.set("CONTENT_LENGTH", header->value);
continue;
}
if (strcasecmp(header->name, "content-type") == 0) {
env.set("CONTENT_TYPE", header->value);
continue;
}
if (strcasecmp(header->name, "connection") == 0) {
explicit_keepalive = (strcasecmp(header->value, "keep-alive") == 0);
}
int len = strlen(header->name) + 5; /* HTTP_ prepended */
char buf[len + 1];
memcpy(buf, "HTTP_", 5);
const char *src = header->name;
char *dest = &buf[5];
for (; *src; src++, dest++) {
char c = *src;
switch (c) {
case '-':
c = '_';
break;
default:
c = toupper(c);
break;
}
*dest = c;
}
*dest = '\0';
env.set(buf, header->value);
}
env.set("REQUEST_METHOD", info->request_method);
env.set("REQUEST_URI", info->uri);
env.set("QUERY_STRING", info->query_string);
env.set("REMOTE_USER", info->remote_user);
env.set("SCRIPT_URI", info->uri); /* FIXME */
char port_buf[16];
snprintf(port_buf, sizeof(port_buf), "%d", port);
env.set("SERVER_PORT", port_buf);
}
int RGWMongoose::send_status(const char *status, const char *status_name)
{
char buf[128];
if (!status_name)
status_name = "";
snprintf(buf, sizeof(buf), "HTTP/1.1 %s %s\r\n", status, status_name);
bufferlist bl;
bl.append(buf);
bl.append(header_data);
header_data = bl;
return 0;
}
int RGWMongoose::send_100_continue()
{
char buf[] = "HTTP/1.1 100 CONTINUE\r\n\r\n";
return mg_write(conn, buf, sizeof(buf) - 1);
}
int RGWMongoose::complete_header()
{
header_done = true;
if (!has_content_length) {
return 0;
}
if (explicit_keepalive)
header_data.append("Connection: Keep-Alive\r\n");
header_data.append("\r\n");
sent_header = true;
return write_data(header_data.c_str(), header_data.length());
}
int RGWMongoose::send_content_length(uint64_t len)
{
has_content_length = true;
char buf[21];
snprintf(buf, sizeof(buf), "%"PRIu64, len);
return print("Content-Length: %s\r\n", buf);
}
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