int
insert_in_response(INKHttpTxn txnp, char *result_val)
{
INKMBuffer resp_bufp;
INKMLoc resp_loc;
INKMLoc field_loc;
LOG_SET_FUNCTION_NAME("insert_in_response");
#ifdef DEBUG
if (INKHttpTxnClientRespGet(NULL, &resp_bufp, &resp_loc) != 0) {
LOG_ERROR_NEG("INKHttpTxnClientRespGet(null, buf, hdr_loc)");
}
if (INKHttpTxnClientRespGet(txnp, NULL, &resp_loc) != 0) {
LOG_ERROR_NEG("INKHttpTxnClientRespGet(txnp, null, hdr_loc)");
}
if (INKHttpTxnClientRespGet(txnp, &resp_bufp, NULL) != 0) {
LOG_ERROR_NEG("INKHttpTxnClientRespGet(txnp, buf, null)");
}
#endif
if (!INKHttpTxnClientRespGet(txnp, &resp_bufp, &resp_loc)) {
LOG_ERROR_AND_RETURN("INKHttpTxnClientRespGet");
}
/* create a new field in the response header */
if ((field_loc = INKMimeHdrFieldCreate(resp_bufp, resp_loc)) == INK_ERROR_PTR) {
INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc);
LOG_ERROR_AND_RETURN("INKMimeHdrFieldCreate");
}
/* set its name */
if (INKMimeHdrFieldNameSet(resp_bufp, resp_loc, field_loc, "CacheTester-Result", 18) == INK_ERROR) {
INKHandleMLocRelease(resp_bufp, resp_loc, field_loc);
INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc);
LOG_ERROR_AND_RETURN("INKMimeHdrFieldNameSet");
}
/* set its value */
if (INKMimeHdrFieldValueStringInsert(resp_bufp, resp_loc, field_loc, -1, result_val, strlen(result_val)) == INK_ERROR) {
INKHandleMLocRelease(resp_bufp, resp_loc, field_loc);
INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc);
LOG_ERROR_AND_RETURN("INKMimeHdrFieldValueIntInsert");
}
/* insert it into the header */
if (INKMimeHdrFieldAppend(resp_bufp, resp_loc, field_loc) == INK_ERROR) {
INKHandleMLocRelease(resp_bufp, resp_loc, field_loc);
INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc);
LOG_ERROR_AND_RETURN("INKMimeHdrFieldAppend");
}
if (INKHandleMLocRelease(resp_bufp, resp_loc, field_loc) == INK_ERROR) {
INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc);
LOG_ERROR_AND_RETURN("INKHandleMLocRelease");
}
if (INKHandleMLocRelease(resp_bufp, INK_NULL_MLOC, resp_loc) == INK_ERROR) {
LOG_ERROR_AND_RETURN("INKHandleMLocRelease");
}
return 1;
}
static void
handleSendResponse(INKCont pCont, INKHttpTxn pTxn)
{
LOG_SET_FUNCTION_NAME("handleSendResponse");
INKMBuffer respHdrBuf = NULL, newHttpHdrBuf = NULL, parseBuffer = NULL;
INKMLoc respHttpHdrLoc = NULL, newHttpHdrLoc = NULL, parseHttpHdrLoc = NULL;
INKHttpStatus oldHttpStatus, tmpHttpStatus;
INKHttpType httpType;
INKHttpParser httpRespParser = NULL;
HdrInfo_T *pRespHdrInfo = NULL, *pNewRespHdrInfo = NULL;
int iHttpHdrReasonLength, iOldHttpVersion, iTmpHttpVersion, iTmpHttpHdrReasonLength;
const char *sHttpHdrReason = NULL, *sTmpHttpHdrReason = NULL, *pHttpParseStart = NULL, *pHttpParseEnd = NULL;
char *sOldHttpReason = NULL;
const char *sRespHdrStr1 =
"HTTP/1.1 200 OK\r\nServer: Netscape-Enterprise/4.1\r\nDate: Tue, 31 Oct 2000 03:38:19 GMT\r\nContent-type: text/html\r\nAge: 3476\r\nContent-Length: 12440\r\nVia: HTTP/1.1 ts-sun14 (Traffic-Server/4.0.0 [cHs f ])\r\n\r\n";
const char *sRespHdrStr2 =
"HTTP/1.1 404 Not Found \r\nServer: Netscape-Enterprise/4.1\r\nDate: Tue, 31 Oct 2000 03:38:19 GMT\r\nContent-type: text/html\r\nAge: 3476\r\nContent-Length: 12440\r\nVia: HTTP/1.1 ts-sun24 (Traffic-Server/4.0.0 [cHs f ])\r\n\r\n";
const char *sRespHdrStr3 =
"HTTP/1.1 505 HTTP Version Not Supported \r\nServer: Netscape-Enterprise/4.1\r\nDate: Tue, 31 Oct 2000 03:38:19 GMT\r\nContent-type: text/html\r\nAge: 3476\r\nContent-Length: 12440\r\nVia: HTTP/1.1 ts-sun34 (Traffic-Server/4.0.0 [cHs f ])\r\n\r\n";
pRespHdrInfo = initHdr();
pNewRespHdrInfo = initHdr();
INKDebug(RESP, ">>> handleSendResponse <<<<\n");
/* Get Response Marshall Buffer */
if (!INKHttpTxnClientRespGet(pTxn, &respHdrBuf, &respHttpHdrLoc)) {
LOG_API_ERROR_COMMENT("INKHttpTxnClientReqGet", "ERROR: Can't retrieve client req hdr");
goto done;
}
#ifdef DEBUG
negTesting(respHdrBuf, respHttpHdrLoc);
#endif
/******* (1): Exercise all possible INK*GET and print the values **********/
INKDebug(RESP, "--------------------------------");
getHdrInfo(pRespHdrInfo, respHdrBuf, respHttpHdrLoc);
printHttpHeader(respHdrBuf, respHttpHdrLoc, RESP, 1);
/******* (2): Create a new header and check everything is copied correctly *********/
INKDebug(RESP, "--------------------------------");
if ((newHttpHdrBuf = INKMBufferCreate()) == INK_ERROR_PTR) {
LOG_API_ERROR_COMMENT("INKMBufferCreate", "skipping to section(4)");
goto resp_4;
}
/*** INKHttpHdrCreate ***/
if ((newHttpHdrLoc = INKHttpHdrCreate(newHttpHdrBuf)) == INK_ERROR_PTR) {
LOG_API_ERROR_COMMENT("INKMHTTPHdrCreate", "skipping to section(4)");
goto resp_4;
}
/* Make sure the newly created HTTP header has INKHttpType value of INK_HTTP_TYPE_UNKNOWN */
if ((httpType = INKHttpHdrTypeGet(newHttpHdrBuf, newHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR_COMMENT("INKMHTTPHdrCreate", "continuing");
} else if (httpType != INK_HTTP_TYPE_UNKNOWN) {
LOG_AUTO_ERROR("INKHttpHdrCreate", "Newly created hdr not of type INK_HTTP_TYPE_UNKNOWN");
}
/*** INKHttpHdrCopy ***/
if (INKHttpHdrCopy(newHttpHdrBuf, newHttpHdrLoc, respHdrBuf, respHttpHdrLoc) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrCopy");
}
getHdrInfo(pNewRespHdrInfo, newHttpHdrBuf, newHttpHdrLoc);
printHttpHeader(newHttpHdrBuf, newHttpHdrLoc, RESP, 2);
if (!identical_hdr(pRespHdrInfo, pNewRespHdrInfo)) {
LOG_AUTO_ERROR("INKHttpHdrCopy", "copy of the resp header not identical to the original");
}
/* Reuse:
* newHttpHdrBuf, newHttHdrLoc */
/******* (3): Now excercise some INK..SETs on the new header ********/
INKDebug(RESP, "--------------------------------");
/*** INKHttpHdrTypeSet ***/
/* ERROR:
* 1. Setting type other than INK_HTTP_TYPE_UNKNOWN, INK_HTTP_TYPE_REQUEST,
* INK_HTTP_TYPE_RESPONSE, and,
* 2. Setting the type twice. The hdr type has been already set during INKHttpHdrCopy
* above, so setting it again is incorrect */
if (INKHttpHdrTypeSet(newHttpHdrBuf, newHttpHdrLoc, INK_HTTP_TYPE_RESPONSE) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrTypeSet");
}
/*** INKHttpHdrReasonSet ***/
/* save the original reason */
if ((sHttpHdrReason = INKHttpHdrReasonGet(newHttpHdrBuf, newHttpHdrLoc, &iHttpHdrReasonLength))
== INK_ERROR_PTR) {
LOG_API_ERROR("INKHttpHdrReasonGet");
} else {
sOldHttpReason = INKstrndup(sHttpHdrReason, iHttpHdrReasonLength);
}
/* Note:
* INKHttpHdrReasonGet may return a NULL reason string (for e.g. I tried www.eyesong.8m.com).
* Do NOT assume that INKstrndup always returns a null terminated string. INKstrndup does
* not returns a NULL terminated string for a NULL ptr as i/p parameter. It simply returns
* it backs. So functions like strlen() on the return value might cause TS to crash */
if (INKHttpHdrReasonSet(newHttpHdrBuf, newHttpHdrLoc, "dummy reason", strlen("dummy reason")) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrReasonGet");
} else {
if ((sTmpHttpHdrReason = INKHttpHdrReasonGet(newHttpHdrBuf, newHttpHdrLoc, &iTmpHttpHdrReasonLength))
== INK_ERROR_PTR) {
LOG_API_ERROR("INKHttpHdrReasonGet");
} else if (sTmpHttpHdrReason && strncmp(sTmpHttpHdrReason, "dummy reason", iTmpHttpHdrReasonLength)) {
LOG_AUTO_ERROR("INKHttpHdrReasonSet/Get", "GET reason different from the SET reason");
}
STR_RELEASE(newHttpHdrBuf, newHttpHdrLoc, sTmpHttpHdrReason);
}
/*** INKHttpStatusSet ***/
/* save the original value */
if ((oldHttpStatus = INKHttpHdrStatusGet(newHttpHdrBuf, newHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusGet");
}
/* change it to some unknown value */
if (INKHttpHdrStatusSet(newHttpHdrBuf, newHttpHdrLoc, INK_HTTP_STATUS_NONE) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusSet");
} else if ((tmpHttpStatus = INKHttpHdrStatusGet(newHttpHdrBuf, newHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusGet");
} else if (tmpHttpStatus != INK_HTTP_STATUS_NONE) {
LOG_AUTO_ERROR("INKHttpHdrStatusGet/Set", "GET status different from the SET status");
}
/*** INKHttpHdrVersionSet ***/
/* get the original version */
if ((iOldHttpVersion = INKHttpHdrVersionGet(newHttpHdrBuf, newHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionGet");
}
/* change it to some unknown version */
if (INKHttpHdrVersionSet(newHttpHdrBuf, newHttpHdrLoc, INK_HTTP_VERSION(10, 10)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionSet");
} else if ((iTmpHttpVersion = INKHttpHdrVersionGet(newHttpHdrBuf, newHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionGet");
} else if (INK_HTTP_MAJOR(iTmpHttpVersion) != 10 && INK_HTTP_MINOR(iTmpHttpVersion) != 10) {
LOG_AUTO_ERROR("INKHttpHdrVersionSet", "GET version different from SET version");
}
printHttpHeader(newHttpHdrBuf, newHttpHdrLoc, RESP, 3);
/* Restore the original values */
/* Here we can't use strlen(sOldHttpReason) to set the length. This would crash TS if
* sOldHttpReason happens to be NULL */
if (INKHttpHdrReasonSet(newHttpHdrBuf, newHttpHdrLoc, sOldHttpReason, iHttpHdrReasonLength) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrReasonSet");
}
/*INKHttpHdrReasonSet (newHttpHdrBuf, newHttpHdrLoc, sOldHttpReason, strlen(sOldHttpReason)); */
if (INKHttpHdrStatusSet(newHttpHdrBuf, newHttpHdrLoc, oldHttpStatus) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusSet");
}
if (INKHttpHdrVersionSet(newHttpHdrBuf, newHttpHdrLoc, iOldHttpVersion) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusSet");
}
if (!identical_hdr(pRespHdrInfo, pNewRespHdrInfo)) {
LOG_AUTO_ERROR("INK..SET", "Hdr values not properly restored");
}
/* (3): clean-up */
STR_RELEASE(newHttpHdrBuf, newHttpHdrLoc, sHttpHdrReason);
FREE(sOldHttpReason);
resp_4:
/******* (4): Now excercise some SETs on the response header ********/
INKDebug(RESP, "--------------------------------");
/*** INKHttpHdrReasonSet ***/
/* save the original reason */
if ((sHttpHdrReason = INKHttpHdrReasonGet(respHdrBuf, respHttpHdrLoc, &iHttpHdrReasonLength))
== INK_ERROR_PTR) {
LOG_API_ERROR("INKHttpHdrReasonGet");
} else {
sOldHttpReason = INKstrndup(sHttpHdrReason, iHttpHdrReasonLength);
}
/* change the reason phrase */
if (INKHttpHdrReasonSet(respHdrBuf, respHttpHdrLoc, "dummy reason", strlen("dummy reason")) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrReasonSet");
}
if ((sTmpHttpHdrReason = INKHttpHdrReasonGet(respHdrBuf, respHttpHdrLoc, &iTmpHttpHdrReasonLength))
== INK_ERROR_PTR) {
LOG_API_ERROR("INKHttpHdrReasonGet");
} else if (sTmpHttpHdrReason && strncmp(sTmpHttpHdrReason, "dummy reason", iTmpHttpHdrReasonLength)) {
LOG_AUTO_ERROR("INKHttpHdrReasonSet/Get", "GET reason string different from SET reason");
}
STR_RELEASE(respHdrBuf, respHttpHdrLoc, sTmpHttpHdrReason);
/*** INKHttpStatusSet ***/
/* save the original value */
if ((oldHttpStatus = INKHttpHdrStatusGet(respHdrBuf, respHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusGet");
}
/* change it to some unknown value */
if (INKHttpHdrStatusSet(respHdrBuf, respHttpHdrLoc, INK_HTTP_STATUS_NONE) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusSet");
} else if (INKHttpHdrStatusGet(respHdrBuf, respHttpHdrLoc) != INK_HTTP_STATUS_NONE) {
LOG_AUTO_ERROR("INKHttpHdrStatusSet/GET", "GET status value different from SET status");
}
/*** INKHttpHdrTypeSet ***/
/* ERROR:
* 1. Setting type other than INK_HTTP_TYPE_UNKNOWN, INK_HTTP_TYPE_REQUEST,
* INK_HTTP_TYPE_RESPONSE and,
* 2. Setting the type twice. The hdr type has been already set during INKHttpTxnClientRespGet
* above, so setting it again should fail */
if (INKHttpHdrTypeSet(respHdrBuf, respHttpHdrLoc, INK_HTTP_TYPE_RESPONSE) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrTypeSet");
}
if (INKHttpHdrTypeGet(respHdrBuf, respHttpHdrLoc) == INK_HTTP_TYPE_UNKNOWN) {
LOG_AUTO_ERROR("INKHttpHdrTypeSet/Get", "respHdrBuf CAN be set to INK_HTTP_TYPE_UNKNOWN");
}
/*** INKHttpHdrVersionSet ***/
/* get the original version */
if ((iOldHttpVersion = INKHttpHdrVersionGet(respHdrBuf, respHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionGet");
}
/* change it to some unknown version */
if (INKHttpHdrVersionSet(respHdrBuf, respHttpHdrLoc, INK_HTTP_VERSION(10, 10)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionSet");
} else if ((iTmpHttpVersion = INKHttpHdrVersionGet(respHdrBuf, respHttpHdrLoc)) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionGet");
} else if (INK_HTTP_MAJOR(iTmpHttpVersion) != 10 && INK_HTTP_MINOR(iTmpHttpVersion) != 10) {
LOG_AUTO_ERROR("INKHttpHdrVersionGet/Set", "GET HTTP version different from SET version");
}
printHttpHeader(respHdrBuf, respHttpHdrLoc, RESP, 4);
/* restore the original values */
/* For INKHttpHdrReasonSet, do NOT use strlen(sOldHttpReason) to set the length.
* This would crash TS if sOldHttpReason happened to be NULL */
if (INKHttpHdrReasonSet(respHdrBuf, respHttpHdrLoc, sOldHttpReason, iHttpHdrReasonLength) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrReasonSet");
}
/*INKHttpHdrReasonSet (respHdrBuf, respHttpHdrLoc, sOldHttpReason, strlen(sOldHttpReason)); */
if (INKHttpHdrStatusSet(respHdrBuf, respHttpHdrLoc, oldHttpStatus) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrStatusSet");
}
if (INKHttpHdrVersionSet(respHdrBuf, respHttpHdrLoc, iOldHttpVersion) == INK_ERROR) {
LOG_API_ERROR("INKHttpHdrVersionSet");
}
FREE(pNewRespHdrInfo->hdrReason);
getHdrInfo(pNewRespHdrInfo, respHdrBuf, respHttpHdrLoc);
if (!identical_hdr(pRespHdrInfo, pNewRespHdrInfo)) {
LOG_AUTO_ERROR("INK..SET", "Hdr values not properly restored");
}
/* (4): clean-up */
STR_RELEASE(respHdrBuf, respHttpHdrLoc, sHttpHdrReason);
FREE(sOldHttpReason);
/********************************/
/** (5): INKHttpHdrParseResp **/
/********************************/
INKDebug(RESP, "--------------------------------");
/* Create a parser Buffer and header location */
if ((parseBuffer = INKMBufferCreate()) == INK_ERROR_PTR || parseBuffer == NULL) {
LOG_API_ERROR_COMMENT("INKMBufferCreate", "abnormal exit");
goto done;
} else if ((parseHttpHdrLoc = INKHttpHdrCreate(parseBuffer)) == INK_ERROR_PTR || parseHttpHdrLoc == NULL) {
LOG_API_ERROR_COMMENT("INKHttpHdrCreate", "abnormal exit");
goto done;
}
pHttpParseStart = sRespHdrStr1;
pHttpParseEnd = pHttpParseStart + strlen(pHttpParseStart);
httpRespParser = INKHttpParserCreate();
if (INKHttpHdrParseResp(httpRespParser, parseBuffer, parseHttpHdrLoc, &pHttpParseStart, pHttpParseEnd)
== INK_PARSE_ERROR) {
LOG_API_ERROR("INKHttpHdrParseResp");
}
printHttpHeader(parseBuffer, parseHttpHdrLoc, RESP, 5.1);
if (INKHttpParserClear(httpRespParser) == INK_ERROR) {
LOG_API_ERROR("INKHttpParseClear");
}
INKDebug(RESP, "--------------------------------");
pHttpParseStart = sRespHdrStr2;
pHttpParseEnd = pHttpParseStart + strlen(pHttpParseStart);
/* httpRespParser = INKHttpParserCreate(); */
if (INKHttpHdrParseResp(httpRespParser, parseBuffer, parseHttpHdrLoc, &pHttpParseStart, pHttpParseEnd)
== INK_PARSE_ERROR) {
LOG_API_ERROR("INKHttpHdrParseResp");
}
printHttpHeader(parseBuffer, parseHttpHdrLoc, RESP, 5.2);
if (INKHttpParserClear(httpRespParser) == INK_ERROR) {
LOG_API_ERROR("INKHttpParseClear");
}
INKDebug(RESP, "--------------------------------");
pHttpParseStart = sRespHdrStr3;
pHttpParseEnd = pHttpParseStart + strlen(pHttpParseStart);
/* httpRespParser = INKHttpParserCreate(); */
if (INKHttpHdrParseResp(httpRespParser, parseBuffer, parseHttpHdrLoc, &pHttpParseStart, pHttpParseEnd)
== INK_PARSE_ERROR) {
LOG_API_ERROR("INKHttpHdrParseResp");
}
printHttpHeader(parseBuffer, parseHttpHdrLoc, RESP, 5.3);
done:
/* Clean-up */
freeHdr(pRespHdrInfo);
freeHdr(pNewRespHdrInfo);
/* release hdrLoc */
HANDLE_RELEASE(respHdrBuf, INK_NULL_MLOC, respHttpHdrLoc);
HANDLE_RELEASE(newHttpHdrBuf, INK_NULL_MLOC, newHttpHdrLoc);
HANDLE_RELEASE(parseBuffer, INK_NULL_MLOC, parseHttpHdrLoc);
/* destroy hdrLoc */
HDR_DESTROY(respHdrBuf, respHttpHdrLoc);
HDR_DESTROY(parseBuffer, parseHttpHdrLoc);
/* destroy mbuffer */
BUFFER_DESTROY(newHttpHdrBuf);
BUFFER_DESTROY(parseBuffer);
/* destroy the parser */
if (INKHttpParserDestroy(httpRespParser) == INK_ERROR) {
LOG_API_ERROR("INKHttpParserDestroy");
}
if (INKHttpTxnReenable(pTxn, INK_EVENT_HTTP_CONTINUE) == INK_ERROR) {
LOG_API_ERROR("INKHttpTxnReenable");
}
INKDebug(RESP, "......... exiting handleRespResponse .............\n");
} /* handleSendResponse */
