Azure IoT
Microsoft Azure IoTHub client libraries
Dependents: sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp f767zi_mqtt ... more
This library implements the Microsoft Azure IoTHub client library. The code is replicated from https://github.com/Azure/azure-iot-sdks
Diff: blob.c
- Revision:
- 79:bb88037c05e6
- Parent:
- 62:5a4cdacf5090
- Child:
- 80:db5f5237bc95
--- a/blob.c Fri Nov 03 13:18:25 2017 -0700
+++ b/blob.c Fri Nov 17 13:57:39 2017 -0800
@@ -9,11 +9,12 @@
#include "azure_c_shared_utility/httpapiex.h"
#include "azure_c_shared_utility/xlogging.h"
#include "azure_c_shared_utility/base64.h"
+#include "azure_c_shared_utility/shared_util_options.h"
/*a block has 4MB*/
#define BLOCK_SIZE (4*1024*1024)
-BLOB_RESULT Blob_UploadFromSasUri(const char* SASURI, const unsigned char* source, size_t size, unsigned int* httpStatus, BUFFER_HANDLE httpResponse, const char* certificates)
+BLOB_RESULT Blob_UploadFromSasUri(const char* SASURI, const unsigned char* source, size_t size, unsigned int* httpStatus, BUFFER_HANDLE httpResponse, const char* certificates, HTTP_PROXY_OPTIONS *proxyOptions)
{
BLOB_RESULT result;
/*Codes_SRS_BLOB_02_001: [ If SASURI is NULL then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
@@ -100,264 +101,271 @@
}
else
{
-
- /*Codes_SRS_BLOB_02_008: [ Blob_UploadFromSasUri shall compute the relative path of the request from the SASURI parameter. ]*/
- /*Codes_SRS_BLOB_02_019: [ Blob_UploadFromSasUri shall compute the base relative path of the request from the SASURI parameter. ]*/
- const char* relativePath = hostnameEnd; /*this is where the relative path begins in the SasUri*/
-
- if (size < 64 * 1024 * 1024) /*code path for sizes <64MB*/
+ if ((proxyOptions != NULL && proxyOptions->host_address != NULL) && HTTPAPIEX_SetOption(httpApiExHandle, OPTION_HTTP_PROXY, proxyOptions) == HTTPAPIEX_ERROR)
+ {
+ LogError("failure in setting proxy options");
+ result = BLOB_ERROR;
+ }
+ else
{
- /*Codes_SRS_BLOB_02_010: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
- BUFFER_HANDLE requestBuffer = BUFFER_create(source, size);
- if (requestBuffer == NULL)
+ /*Codes_SRS_BLOB_02_008: [ Blob_UploadFromSasUri shall compute the relative path of the request from the SASURI parameter. ]*/
+ /*Codes_SRS_BLOB_02_019: [ Blob_UploadFromSasUri shall compute the base relative path of the request from the SASURI parameter. ]*/
+ const char* relativePath = hostnameEnd; /*this is where the relative path begins in the SasUri*/
+
+ if (size < 64 * 1024 * 1024) /*code path for sizes <64MB*/
{
- /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
- LogError("unable to BUFFER_create");
- result = BLOB_ERROR;
- }
- else
- {
- /*Codes_SRS_BLOB_02_009: [ Blob_UploadFromSasUri shall create an HTTP_HEADERS_HANDLE for the request HTTP headers carrying the following headers: ]*/
- HTTP_HEADERS_HANDLE requestHttpHeaders = HTTPHeaders_Alloc();
- if (requestHttpHeaders == NULL)
+ /*Codes_SRS_BLOB_02_010: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
+ BUFFER_HANDLE requestBuffer = BUFFER_create(source, size);
+ if (requestBuffer == NULL)
{
/*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
- LogError("unable to HTTPHeaders_Alloc");
+ LogError("unable to BUFFER_create");
result = BLOB_ERROR;
}
else
{
- if (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "x-ms-blob-type", "BlockBlob") != HTTP_HEADERS_OK)
+ /*Codes_SRS_BLOB_02_009: [ Blob_UploadFromSasUri shall create an HTTP_HEADERS_HANDLE for the request HTTP headers carrying the following headers: ]*/
+ HTTP_HEADERS_HANDLE requestHttpHeaders = HTTPHeaders_Alloc();
+ if (requestHttpHeaders == NULL)
{
/*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
- LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ LogError("unable to HTTPHeaders_Alloc");
result = BLOB_ERROR;
}
else
{
- /*Codes_SRS_BLOB_02_012: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest passing the parameters previously build, httpStatus and httpResponse ]*/
- if (HTTPAPIEX_ExecuteRequest(httpApiExHandle, HTTPAPI_REQUEST_PUT, relativePath, requestHttpHeaders, requestBuffer, httpStatus, NULL, httpResponse) != HTTPAPIEX_OK)
+ if (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "x-ms-blob-type", "BlockBlob") != HTTP_HEADERS_OK)
{
- /*Codes_SRS_BLOB_02_013: [ If HTTPAPIEX_ExecuteRequest fails, then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
- LogError("failed to HTTPAPIEX_ExecuteRequest");
- result = BLOB_HTTP_ERROR;
+ /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
+ LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
+ result = BLOB_ERROR;
}
else
{
- /*Codes_SRS_BLOB_02_015: [ Otherwise, HTTPAPIEX_ExecuteRequest shall succeed and return BLOB_OK. ]*/
- result = BLOB_OK;
+ /*Codes_SRS_BLOB_02_012: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest passing the parameters previously build, httpStatus and httpResponse ]*/
+ if (HTTPAPIEX_ExecuteRequest(httpApiExHandle, HTTPAPI_REQUEST_PUT, relativePath, requestHttpHeaders, requestBuffer, httpStatus, NULL, httpResponse) != HTTPAPIEX_OK)
+ {
+ /*Codes_SRS_BLOB_02_013: [ If HTTPAPIEX_ExecuteRequest fails, then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
+ LogError("failed to HTTPAPIEX_ExecuteRequest");
+ result = BLOB_HTTP_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_BLOB_02_015: [ Otherwise, HTTPAPIEX_ExecuteRequest shall succeed and return BLOB_OK. ]*/
+ result = BLOB_OK;
+ }
}
+ HTTPHeaders_Free(requestHttpHeaders);
}
- HTTPHeaders_Free(requestHttpHeaders);
+ BUFFER_delete(requestBuffer);
}
- BUFFER_delete(requestBuffer);
}
- }
- else /*code path for size >= 64MB*/
- {
- size_t toUpload = size;
- /*Codes_SRS_BLOB_02_028: [ Blob_UploadFromSasUri shall construct an XML string with the following content: ]*/
- STRING_HANDLE xml = STRING_construct("<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<BlockList>"); /*the XML "build as we go"*/
- if (xml == NULL)
- {
- /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to STRING_construct");
- result = BLOB_HTTP_ERROR;
- }
- else
+ else /*code path for size >= 64MB*/
{
- /*Codes_SRS_BLOB_02_021: [ For every block of 4MB the following operations shall happen: ]*/
- unsigned int blockID = 0;
- result = BLOB_ERROR;
-
- int isError = 0; /*used to cleanly exit the loop*/
- do
+ size_t toUpload = size;
+ /*Codes_SRS_BLOB_02_028: [ Blob_UploadFromSasUri shall construct an XML string with the following content: ]*/
+ STRING_HANDLE xml = STRING_construct("<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<BlockList>"); /*the XML "build as we go"*/
+ if (xml == NULL)
+ {
+ /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
+ LogError("failed to STRING_construct");
+ result = BLOB_HTTP_ERROR;
+ }
+ else
{
- /*setting this block size*/
- size_t thisBlockSize = (toUpload > BLOCK_SIZE) ? BLOCK_SIZE : toUpload;
- /*Codes_SRS_BLOB_02_020: [ Blob_UploadFromSasUri shall construct a BASE64 encoded string from the block ID (000000... 0499999) ]*/
- char temp[7]; /*this will contain 000000... 049999*/
- if (sprintf(temp, "%6u", (unsigned int)blockID) != 6) /*produces 000000... 049999*/
+ /*Codes_SRS_BLOB_02_021: [ For every block of 4MB the following operations shall happen: ]*/
+ unsigned int blockID = 0;
+ result = BLOB_ERROR;
+
+ int isError = 0; /*used to cleanly exit the loop*/
+ do
{
- /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to sprintf");
- result = BLOB_ERROR;
- isError = 1;
- }
- else
- {
- STRING_HANDLE blockIdString = Base64_Encode_Bytes((const unsigned char*)temp, 6);
- if (blockIdString == NULL)
+ /*setting this block size*/
+ size_t thisBlockSize = (toUpload > BLOCK_SIZE) ? BLOCK_SIZE : toUpload;
+ /*Codes_SRS_BLOB_02_020: [ Blob_UploadFromSasUri shall construct a BASE64 encoded string from the block ID (000000... 0499999) ]*/
+ char temp[7]; /*this will contain 000000... 049999*/
+ if (sprintf(temp, "%6u", (unsigned int)blockID) != 6) /*produces 000000... 049999*/
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("unable to Base64_Encode_Bytes");
+ LogError("failed to sprintf");
result = BLOB_ERROR;
isError = 1;
}
else
{
- /*add the blockId base64 encoded to the XML*/
- if (!(
- (STRING_concat(xml, "<Latest>") == 0) &&
- (STRING_concat_with_STRING(xml, blockIdString) == 0) &&
- (STRING_concat(xml, "</Latest>") == 0)
- ))
+ STRING_HANDLE blockIdString = Base64_Encode_Bytes((const unsigned char*)temp, 6);
+ if (blockIdString == NULL)
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("unable to STRING_concat");
+ LogError("unable to Base64_Encode_Bytes");
result = BLOB_ERROR;
isError = 1;
}
else
{
- /*Codes_SRS_BLOB_02_022: [ Blob_UploadFromSasUri shall construct a new relativePath from following string: base relativePath + "&comp=block&blockid=BASE64 encoded string of blockId" ]*/
- STRING_HANDLE newRelativePath = STRING_construct(relativePath);
- if (newRelativePath == NULL)
+ /*add the blockId base64 encoded to the XML*/
+ if (!(
+ (STRING_concat(xml, "<Latest>") == 0) &&
+ (STRING_concat_with_STRING(xml, blockIdString) == 0) &&
+ (STRING_concat(xml, "</Latest>") == 0)
+ ))
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("unable to STRING_construct");
+ LogError("unable to STRING_concat");
result = BLOB_ERROR;
isError = 1;
}
else
{
- if (!(
- (STRING_concat(newRelativePath, "&comp=block&blockid=") == 0) &&
- (STRING_concat_with_STRING(newRelativePath, blockIdString) == 0)
- ))
+ /*Codes_SRS_BLOB_02_022: [ Blob_UploadFromSasUri shall construct a new relativePath from following string: base relativePath + "&comp=block&blockid=BASE64 encoded string of blockId" ]*/
+ STRING_HANDLE newRelativePath = STRING_construct(relativePath);
+ if (newRelativePath == NULL)
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("unable to STRING concatenate");
+ LogError("unable to STRING_construct");
result = BLOB_ERROR;
isError = 1;
}
else
{
- /*Codes_SRS_BLOB_02_023: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
- BUFFER_HANDLE requestContent = BUFFER_create(source + (size - toUpload), thisBlockSize);
- if (requestContent == NULL)
+ if (!(
+ (STRING_concat(newRelativePath, "&comp=block&blockid=") == 0) &&
+ (STRING_concat_with_STRING(newRelativePath, blockIdString) == 0)
+ ))
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("unable to BUFFER_create");
+ LogError("unable to STRING concatenate");
result = BLOB_ERROR;
isError = 1;
}
else
{
- /*Codes_SRS_BLOB_02_024: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing httpStatus and httpResponse. ]*/
- if (HTTPAPIEX_ExecuteRequest(
- httpApiExHandle,
- HTTPAPI_REQUEST_PUT,
- STRING_c_str(newRelativePath),
- NULL,
- requestContent,
- httpStatus,
- NULL,
- httpResponse) != HTTPAPIEX_OK
- )
+ /*Codes_SRS_BLOB_02_023: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
+ BUFFER_HANDLE requestContent = BUFFER_create(source + (size - toUpload), thisBlockSize);
+ if (requestContent == NULL)
{
- /*Codes_SRS_BLOB_02_025: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
- LogError("unable to HTTPAPIEX_ExecuteRequest");
- result = BLOB_HTTP_ERROR;
- isError = 1;
- }
- else if (*httpStatus >= 300)
- {
- /*Codes_SRS_BLOB_02_026: [ Otherwise, if HTTP response code is >=300 then Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
- LogError("HTTP status from storage does not indicate success (%d)", (int)*httpStatus);
- result = BLOB_OK;
+ /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
+ LogError("unable to BUFFER_create");
+ result = BLOB_ERROR;
isError = 1;
}
else
{
- /*Codes_SRS_BLOB_02_027: [ Otherwise Blob_UploadFromSasUri shall continue execution. ]*/
+ /*Codes_SRS_BLOB_02_024: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing httpStatus and httpResponse. ]*/
+ if (HTTPAPIEX_ExecuteRequest(
+ httpApiExHandle,
+ HTTPAPI_REQUEST_PUT,
+ STRING_c_str(newRelativePath),
+ NULL,
+ requestContent,
+ httpStatus,
+ NULL,
+ httpResponse) != HTTPAPIEX_OK
+ )
+ {
+ /*Codes_SRS_BLOB_02_025: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_ExecuteRequest");
+ result = BLOB_HTTP_ERROR;
+ isError = 1;
+ }
+ else if (*httpStatus >= 300)
+ {
+ /*Codes_SRS_BLOB_02_026: [ Otherwise, if HTTP response code is >=300 then Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
+ LogError("HTTP status from storage does not indicate success (%d)", (int)*httpStatus);
+ result = BLOB_OK;
+ isError = 1;
+ }
+ else
+ {
+ /*Codes_SRS_BLOB_02_027: [ Otherwise Blob_UploadFromSasUri shall continue execution. ]*/
+ }
+ BUFFER_delete(requestContent);
}
- BUFFER_delete(requestContent);
}
+ STRING_delete(newRelativePath);
}
- STRING_delete(newRelativePath);
}
+ STRING_delete(blockIdString);
}
- STRING_delete(blockIdString);
}
- }
- blockID++;
- toUpload -= thisBlockSize;
- } while ((toUpload > 0) && !isError);
+ blockID++;
+ toUpload -= thisBlockSize;
+ } while ((toUpload > 0) && !isError);
- if (isError)
- {
- /*do nothing, it will be reported "as is"*/
- }
- else
- {
- /*complete the XML*/
- if (STRING_concat(xml, "</BlockList>") != 0)
+ if (isError)
{
- /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to STRING_concat");
- result = BLOB_ERROR;
+ /*do nothing, it will be reported "as is"*/
}
else
{
- /*Codes_SRS_BLOB_02_029: [Blob_UploadFromSasUri shall construct a new relativePath from following string : base relativePath + "&comp=blocklist"]*/
- STRING_HANDLE newRelativePath = STRING_construct(relativePath);
- if (newRelativePath == NULL)
+ /*complete the XML*/
+ if (STRING_concat(xml, "</BlockList>") != 0)
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to STRING_construct");
+ LogError("failed to STRING_concat");
result = BLOB_ERROR;
}
else
{
- if (STRING_concat(newRelativePath, "&comp=blocklist") != 0)
+ /*Codes_SRS_BLOB_02_029: [Blob_UploadFromSasUri shall construct a new relativePath from following string : base relativePath + "&comp=blocklist"]*/
+ STRING_HANDLE newRelativePath = STRING_construct(relativePath);
+ if (newRelativePath == NULL)
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to STRING_concat");
+ LogError("failed to STRING_construct");
result = BLOB_ERROR;
}
else
{
- /*Codes_SRS_BLOB_02_030: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing the new relativePath, httpStatus and httpResponse and the XML string as content. ]*/
- const char* s = STRING_c_str(xml);
- BUFFER_HANDLE xmlAsBuffer = BUFFER_create((const unsigned char*)s, strlen(s));
- if (xmlAsBuffer == NULL)
+ if (STRING_concat(newRelativePath, "&comp=blocklist") != 0)
{
/*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
- LogError("failed to BUFFER_create");
+ LogError("failed to STRING_concat");
result = BLOB_ERROR;
}
else
{
- if (HTTPAPIEX_ExecuteRequest(
- httpApiExHandle,
- HTTPAPI_REQUEST_PUT,
- STRING_c_str(newRelativePath),
- NULL,
- xmlAsBuffer,
- httpStatus,
- NULL,
- httpResponse
- ) != HTTPAPIEX_OK)
+ /*Codes_SRS_BLOB_02_030: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing the new relativePath, httpStatus and httpResponse and the XML string as content. ]*/
+ const char* s = STRING_c_str(xml);
+ BUFFER_HANDLE xmlAsBuffer = BUFFER_create((const unsigned char*)s, strlen(s));
+ if (xmlAsBuffer == NULL)
{
- /*Codes_SRS_BLOB_02_031: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
- LogError("unable to HTTPAPIEX_ExecuteRequest");
- result = BLOB_HTTP_ERROR;
+ /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
+ LogError("failed to BUFFER_create");
+ result = BLOB_ERROR;
}
else
{
- /*Codes_SRS_BLOB_02_032: [ Otherwise, Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
- result = BLOB_OK;
+ if (HTTPAPIEX_ExecuteRequest(
+ httpApiExHandle,
+ HTTPAPI_REQUEST_PUT,
+ STRING_c_str(newRelativePath),
+ NULL,
+ xmlAsBuffer,
+ httpStatus,
+ NULL,
+ httpResponse
+ ) != HTTPAPIEX_OK)
+ {
+ /*Codes_SRS_BLOB_02_031: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
+ LogError("unable to HTTPAPIEX_ExecuteRequest");
+ result = BLOB_HTTP_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_BLOB_02_032: [ Otherwise, Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
+ result = BLOB_OK;
+ }
+ BUFFER_delete(xmlAsBuffer);
}
- BUFFER_delete(xmlAsBuffer);
}
+ STRING_delete(newRelativePath);
}
- STRING_delete(newRelativePath);
}
}
+ STRING_delete(xml);
}
- STRING_delete(xml);
}
}
}
