size_t cg_http_packet_getheadersize(CgHttpPacket *httpPkt)
{
CgHttpHeader *header;
size_t headerSize;
const char *name;
const char *value;
cg_log_debug_l4("Entering...\n");
headerSize = 0;
for (header = cg_http_packet_getheaders(httpPkt); header != NULL; header = cg_http_header_next(header)) {
name = cg_http_header_getname(header);
value = cg_http_header_getvalue(header);
headerSize += cg_strlen(name);
headerSize += sizeof(CG_HTTP_COLON)-1;
headerSize += sizeof(CG_HTTP_SP)-1;
headerSize += cg_strlen(value);
headerSize += sizeof(CG_HTTP_CRLF)-1;
}
headerSize += sizeof(CG_HTTP_CRLF)-1;
cg_log_debug_l4("Leaving...\n");
return headerSize;
}
void cg_http_packet_print(CgHttpPacket *httpPkt)
{
CgHttpHeader *header;
char *content;
long contentLen;
cg_log_debug_l4("Entering...\n");
/**** print headers ****/
for (header = cg_http_packet_getheaders(httpPkt); header != NULL; header = cg_http_header_next(header)) {
cg_log_debug_s("%s: %s\n",
cg_http_header_getname(header),
cg_http_header_getvalue(header));
}
cg_log_debug_s("\n");
/**** print content ****/
content = cg_http_packet_getcontent(httpPkt);
contentLen = cg_http_packet_getcontentlength(httpPkt);
if (content != NULL && 0 < contentLen)
cg_log_debug_s("%s\n", content);
cg_log_debug_l4("Leaving...\n");
}
void cg_http_packet_post(CgHttpPacket *httpPkt, CgSocket *sock)
{
CgHttpHeader *header;
const char *name, *value;
char *content;
size_t contentLen;
cg_log_debug_l4("Entering...\n");
/**** send headers ****/
for (header = cg_http_packet_getheaders(httpPkt); header != NULL; header = cg_http_header_next(header)) {
name = cg_http_header_getname(header);
if (name == NULL)
continue;
cg_socket_write(sock, name, cg_strlen(name));
cg_socket_write(sock, CG_HTTP_COLON, sizeof(CG_HTTP_COLON)-1);
cg_socket_write(sock, CG_HTTP_SP, sizeof(CG_HTTP_SP)-1);
value = cg_http_header_getvalue(header);
if (value != NULL)
cg_socket_write(sock, value, cg_strlen(value));
cg_socket_write(sock, CG_HTTP_CRLF, sizeof(CG_HTTP_CRLF)-1);
}
cg_socket_write(sock, CG_HTTP_CRLF, sizeof(CG_HTTP_CRLF)-1);
/**** send content ****/
content = cg_http_packet_getcontent(httpPkt);
contentLen = cg_http_packet_getcontentlength(httpPkt);
if (content != NULL && 0 < contentLen)
cg_socket_write(sock, content, contentLen);
cg_log_debug_l4("Leaving...\n");
}
CgHttpHeader *cg_http_headerlist_get(CgHttpHeaderList *headerList, const char *name)
{
CgHttpHeader *header;
const char *headerName;
cg_log_debug_l4("Entering...\n");
if (name == NULL)
return NULL;
for (header = cg_http_headerlist_gets(headerList); header != NULL; header = cg_http_header_next(header)) {
headerName = cg_http_header_getname(header);
if (headerName == NULL)
continue;
if (cg_strcasecmp(headerName, name) == 0)
return header;
}
return NULL;
cg_log_debug_l4("Leaving...\n");
}
char *cg_upnp_ssdprequest_tostring(CgUpnpSSDPRequest *ssdpReq, CgString *ssdpMsg)
{
CgHttpHeader *header;
const char *name;
const char *value;
cg_log_debug_l4("Entering...\n");
cg_string_addvalue(ssdpMsg, cg_http_request_getmethod(ssdpReq));
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, cg_http_request_geturi(ssdpReq));
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, cg_http_request_getversion(ssdpReq));
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
for (header = cg_http_packet_getheaders((CgHttpPacket *)ssdpReq); header != NULL; header = cg_http_header_next(header)) {
name = cg_http_header_getname(header);
value = cg_http_header_getvalue(header);
cg_string_addvalue(ssdpMsg, name);
cg_string_addvalue(ssdpMsg, CG_HTTP_COLON);
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, value);
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
}
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
return cg_string_getvalue(ssdpMsg);
cg_log_debug_l4("Leaving...\n");
}
void cg_http_packet_copy(CgHttpPacket *destHttpPkt, CgHttpPacket *srcHttpPkt)
{
CgHttpHeader *srcHeader;
CgHttpHeader *destHeader;
cg_log_debug_l4("Entering...\n");
cg_http_packet_clear(destHttpPkt);
/**** copy headers ****/
for (srcHeader = cg_http_packet_getheaders(srcHttpPkt); srcHeader != NULL; srcHeader = cg_http_header_next(srcHeader)) {
destHeader = cg_http_header_new();
cg_http_header_setname(destHeader, cg_http_header_getname(srcHeader));
cg_http_header_setvalue(destHeader, cg_http_header_getvalue(srcHeader));
cg_http_packet_addheader(destHttpPkt, destHeader);
}
/**** copy content ****/
cg_http_packet_setcontent(destHttpPkt, cg_http_packet_getcontent(srcHttpPkt));
cg_log_debug_l4("Leaving...\n");
}
CgHttpResponse *cg_http_request_post(CgHttpRequest *httpReq, char *ipaddr, int port)
{
CgHttpResponse *httpRes;
BOOL newCurl = FALSE;
CURL *curl;
CgHttpHeader *reqHeader;
struct curl_slist *curlHeaderList;
CgString *headerStr;
CURLcode res;
char *uri, *method;
char url[CG_NET_URI_MAXLEN];
long retcode;
#ifdef CG_SHOW_TIMINGS
struct timeval start_time, end_time, elapsed_time;
#endif
cg_log_debug_l4("Entering...\n");
#ifdef CG_SHOW_TIMINGS
gettimeofday(&start_time, NULL);
#endif
httpRes = httpReq->httpRes;
/* Clear the response data because new data will not
* overwrite it, but it is appended to the end */
cg_string_clear(httpRes->content);
cg_log_debug_s("Posting HTTP request (Curl)\n");
cg_http_request_print(httpReq);
cg_http_persistentconnection_lock();
#ifdef CG_HTTP_USE_PERSISTENT_CONNECTIONS
cg_log_debug_s("Looking for persistent connection to %s, port %d\n", ipaddr, port);
curl = (CURL*)cg_http_persistentconnection_get(ipaddr, port);
if (curl == NULL)
{
cg_log_debug_s("Persistent connection not found...\n");
#endif
curl = curl_easy_init();
if (curl == NULL)
{
cg_http_persistentconnection_unlock();
return httpReq->httpRes;
}
#ifdef CG_HTTP_USE_PERSISTENT_CONNECTIONS
newCurl = TRUE;
}
#endif
method = cg_http_request_getmethod(httpReq);
uri = cg_http_request_geturi(httpReq);
/**** method ****/
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, method);
/**** url ****/
if (uri && cg_strstr(uri, CG_NET_URI_PROTOCOL_DELIM) > 0)
{
curl_easy_setopt(curl, CURLOPT_URL, uri);
}
else
{
cg_net_gethosturl(ipaddr, port, uri, url, sizeof(url));
curl_easy_setopt(curl, CURLOPT_URL, url);
cg_log_debug_s("\n\nCURL: %s\n\n", url);
}
/**** header ****/
curlHeaderList = NULL;
headerStr = cg_string_new();
for (reqHeader = cg_http_request_getheaders(httpReq); reqHeader; reqHeader = cg_http_header_next(reqHeader)) {
cg_string_setvalue(headerStr, cg_http_header_getname(reqHeader));
if (cg_string_addvalue(headerStr, CG_HTTP_COLON CG_HTTP_SP) &&
cg_string_addvalue(headerStr, cg_http_header_getvalue(reqHeader)))
curlHeaderList = curl_slist_append(curlHeaderList, cg_string_getvalue(headerStr));
}
cg_string_delete(headerStr);
/* Disable Expect header because it causes IOP issues */
curlHeaderList = curl_slist_append(curlHeaderList, "Expect:");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, curlHeaderList);
/**** content ****/
/*if (cg_http_request_ispostrequest(httpReq) == TRUE) {*/
if (cg_http_request_getcontentlength(httpReq) > 0) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, cg_http_request_getcontent(httpReq));
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, cg_http_request_getcontentlength(httpReq));
}
else
{
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, NULL);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, 0);
}
/* This has to be enabled for progress callback to be called */
curl_easy_setopt(curl, CURLOPT_NOPROGRESS,
FALSE);
/* Used for checking stack state during curl easy perform */
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION,
cg_http_request_progress_callback);
/**** response header callback ****/
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION,
cg_http_request_header_callback);
curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)httpRes);
/**** response content callback ****/
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
cg_http_request_content_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)httpRes);
/**** useragent ****/
curl_easy_setopt(curl, CURLOPT_USERAGENT, cg_http_request_getuseragent(httpReq) );
/**** Prohibit curl from using signals ****/
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
/**** Set the connection timeout so we don't wait forever ****/
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT,
CG_HTTP_CURL_CONNECTTIMEOUT);
curl_easy_setopt(curl, CURLOPT_TIMEOUT,
CG_HTTP_CONN_TIMEOUT);
#ifdef CG_SHOW_TIMINGS
cg_log_debug_s("\nRequest: %s%s%s\n", method, CG_HTTP_SP, url);
#endif
/* Get the XML document with CURL */
res = curl_easy_perform(curl);
if (res != CURLE_OK)
cg_log_debug_s("curl_easy_perform: %s\n",
curl_easy_strerror(res));
/* Set the content length, if it wasn't said in the header */
if (cg_http_response_getcontentlength(httpRes) <= 0)
{
cg_http_response_setcontentlength(httpRes,
cg_string_length(httpRes->content));
}
curl_slist_free_all(curlHeaderList);
curl_easy_getinfo (curl, CURLINFO_HTTP_CODE, &retcode);
cg_http_response_setstatuscode(httpRes, retcode);
#ifdef CG_SHOW_TIMINGS
gettimeofday(&end_time, NULL);
timersub(&end_time, &start_time, &elapsed_time);
cg_log_debug_s("Getting HTTP-response completed. Elapsed time: "
"%ld msec\n", ((elapsed_time.tv_sec*1000) +
(elapsed_time.tv_usec/1000)));
cg_total_elapsed_time += (elapsed_time.tv_sec*1000000)+
(elapsed_time.tv_usec);
#endif
#ifdef CG_HTTP_USE_PERSISTENT_CONNECTIONS
if (newCurl)
{
cg_log_debug_s("Putting new connection into cache: %s %d\n", ipaddr, port);
cg_http_persistentconnection_put(ipaddr, port, curl);
}
#else
curl_easy_cleanup(curl);
#endif
cg_http_persistentconnection_unlock();
cg_log_debug_s("Response for HTTP request (Curl)\n");
cg_http_response_print(httpReq->httpRes);
return httpReq->httpRes;
cg_log_debug_l4("Leaving...\n");
}
char *cg_upnp_ssdpresponse_tostring(CgUpnpSSDPResponse *ssdpRes, CgString *ssdpMsg)
{
CgHttpHeader *header;
char statusCodeBuf[CG_STRING_INTEGER_BUFLEN];
const char *name;
const char *value;
cg_log_debug_l4("Entering...\n");
cg_string_addvalue(ssdpMsg, cg_http_response_getversion(ssdpRes));
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, cg_int2str(cg_http_response_getstatuscode(ssdpRes), statusCodeBuf, sizeof(statusCodeBuf)));
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, cg_http_response_getreasonphrase(ssdpRes));
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
for (header = cg_http_packet_getheaders((CgHttpPacket *)ssdpRes); header != NULL; header = cg_http_header_next(header)) {
name = cg_http_header_getname(header);
value = cg_http_header_getvalue(header);
cg_string_addvalue(ssdpMsg, name);
cg_string_addvalue(ssdpMsg, CG_HTTP_COLON);
cg_string_addvalue(ssdpMsg, CG_HTTP_SP);
cg_string_addvalue(ssdpMsg, value);
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
}
cg_string_addvalue(ssdpMsg, CG_HTTP_CRLF);
return cg_string_getvalue(ssdpMsg);
cg_log_debug_l4("Leaving...\n");
}
