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authorPatrick Venture <venture@google.com>2018-10-21 14:26:39 -0700
committerPatrick Venture <venture@google.com>2018-11-12 15:36:04 -0800
commit6cc890440830c135a0519bff739c68357f401852 (patch)
treee3261b2d3f2c1431f609a73139102cc8fdd7a995 /writefrudata.cpp
parent1816ff30cfb2796ec0b4b1122b03940857cd491a (diff)
downloadipmi-fru-parser-6cc890440830c135a0519bff739c68357f401852.zip
ipmi-fru-parser-6cc890440830c135a0519bff739c68357f401852.tar.gz
writefrudata: add doxygen for methods
Add doxygen comments for methods. Change-Id: Ifc155279a21b258300dadd409abfb617652159dc Signed-off-by: Patrick Venture <venture@google.com>
Diffstat (limited to 'writefrudata.cpp')
-rw-r--r--writefrudata.cpp146
1 files changed, 93 insertions, 53 deletions
diff --git a/writefrudata.cpp b/writefrudata.cpp
index 11e3d77..114e4e9 100644
--- a/writefrudata.cpp
+++ b/writefrudata.cpp
@@ -31,10 +31,14 @@ using FruAreaVector = std::vector<std::unique_ptr<IPMIFruArea>>;
namespace
{
-//------------------------------------------------------------
-// Cleanup routine
-// Must always be called as last reference to fruFilePointer.
-//------------------------------------------------------------
+/**
+ * Cleanup routine
+ * Must always be called as last reference to fruFilePointer.
+ *
+ * @param[in] fruFilePointer - FRU file pointer to close
+ * @param[in] fruAreaVec - vector of FRU areas
+ * @return -1
+ */
int cleanupError(FILE* fruFilePointer, FruAreaVector& fruAreaVec)
{
if (fruFilePointer != NULL)
@@ -50,10 +54,16 @@ int cleanupError(FILE* fruFilePointer, FruAreaVector& fruAreaVec)
return -1;
}
-//------------------------------------------------------------------------
-// Gets the value of the key from the fru dictionary of the given section.
-// FRU dictionary is parsed fru data for all the sections.
-//------------------------------------------------------------------------
+/**
+ * Gets the value of the key from the FRU dictionary of the given section.
+ * FRU dictionary is parsed FRU data for all the sections.
+ *
+ * @param[in] section - FRU section name
+ * @param[in] key - key for secion
+ * @param[in] delimiter - delimiter for parsing custom fields
+ * @param[in] fruData - the FRU data to search for the section
+ * @return FRU value
+ */
std::string getFRUValue(const std::string& section, const std::string& key,
const std::string& delimiter, IPMIFruInfo& fruData)
{
@@ -109,7 +119,14 @@ std::string getFRUValue(const std::string& section, const std::string& key,
return fruValue;
}
-// Get the inventory service from the mapper.
+/**
+ * Get the inventory service from the mapper.
+ *
+ * @param[in] bus - sdbusplus handle to use for dbus call
+ * @param[in] intf - interface
+ * @param[in] path - the object path
+ * @return the dbus service that owns the interface for that path
+ */
auto getService(sdbusplus::bus::bus& bus, const std::string& intf,
const std::string& path)
{
@@ -142,9 +159,14 @@ auto getService(sdbusplus::bus::bus& bus, const std::string& intf,
return mapperResponse.begin()->first;
}
-// Takes FRU data, invokes Parser for each fru record area and updates
-// Inventory
-//------------------------------------------------------------------------
+/**
+ * Takes FRU data, invokes Parser for each FRU record area and updates
+ * inventory.
+ *
+ * @param[in] areaVector - vector of FRU areas
+ * @param[in] bus - handle to sdbus for calling methods, etc
+ * @return return non-zero of failure
+ */
int updateInventory(FruAreaVector& areaVector, sdbusplus::bus::bus& bus)
{
// Generic error reporter
@@ -168,7 +190,7 @@ int updateInventory(FruAreaVector& areaVector, sdbusplus::bus::bus& bus)
}
} // END walking the vector of areas and updating
- // For each Fru we have the list of instances which needs to be updated.
+ // For each FRU we have the list of instances which needs to be updated.
// Each instance object implements certain interfaces.
// Each Interface is having Dbus properties.
// Each Dbus Property would be having metaData(eg section,VpdPropertyName).
@@ -192,7 +214,7 @@ int updateInventory(FruAreaVector& areaVector, sdbusplus::bus::bus& bus)
auto iter = frus.find(fruid);
if (iter == frus.end())
{
- log<level::ERR>("Unable to get the fru info",
+ log<level::ERR>("Unable to get the FRU info",
entry("FRU=%d", static_cast<int>(fruid)));
return -1;
}
@@ -277,11 +299,14 @@ int updateInventory(FruAreaVector& areaVector, sdbusplus::bus::bus& bus)
} // namespace
-//------------------------------------------------
-// Takes the pointer to stream of bytes and length
-// and returns the 8 bit checksum
-// This algo is per IPMI V2.0 spec
-//-------------------------------------------------
+/**
+ * Takes the pointer to stream of bytes and length and returns the 8 bit
+ * checksum. This algo is per IPMI V2.0 spec
+ *
+ * @param[in] data - data for running crc
+ * @param[in] len - the length over which to run the crc
+ * @return the CRC value
+ */
unsigned char calculateCRC(const unsigned char* data, size_t len)
{
char crc = 0;
@@ -295,9 +320,12 @@ unsigned char calculateCRC(const unsigned char* data, size_t len)
return (-crc);
}
-//---------------------------------------------------------------------
-// Accepts a fru area offset in commom hdr and tells which area it is.
-//---------------------------------------------------------------------
+/**
+ * Accepts a FRU area offset into a commom header and tells which area it is.
+ *
+ * @param[in] areaOffset - offset to lookup the area type
+ * @return the ipmi_fru_area_type
+ */
ipmi_fru_area_type getFruAreaType(uint8_t areaOffset)
{
ipmi_fru_area_type type = IPMI_FRU_AREA_TYPE_MAX;
@@ -331,9 +359,13 @@ ipmi_fru_area_type getFruAreaType(uint8_t areaOffset)
return type;
}
-///-----------------------------------------------
-// Validates the data for crc and mandatory fields
-///-----------------------------------------------
+/**
+ * Validates the data for CRC and mandatory fields.
+ *
+ * @param[in] data - the data to verify
+ * @param[in] len - the length of the region to verify
+ * @return non-zero on failure
+ */
int verifyFruData(const uint8_t* data, const size_t len)
{
uint8_t checksum = 0;
@@ -377,9 +409,12 @@ int verifyFruData(const uint8_t* data, const size_t len)
return EXIT_SUCCESS;
}
-///----------------------------------------------------
-// Checks if a particular fru area is populated or not
-///----------------------------------------------------
+/**
+ * Checks if a particular FRU area is populated or not.
+ *
+ * @param[in] reference to FRU area pointer
+ * @return true if the area is empty
+ */
bool removeInvalidArea(const std::unique_ptr<IPMIFruArea>& fruArea)
{
// Filter the ones that are empty
@@ -390,10 +425,14 @@ bool removeInvalidArea(const std::unique_ptr<IPMIFruArea>& fruArea)
return false;
}
-///----------------------------------------------------------------------------------
-// Populates various FRU areas
-// @prereq : This must be called only after validating common header.
-///----------------------------------------------------------------------------------
+/**
+ * Populates various FRU areas.
+ *
+ * @prereq : This must be called only after validating common header
+ * @param[in] fruData - pointer to the FRU bytes
+ * @param[in] dataLen - the length of the FRU data
+ * @param[in] fruAreaVec - the FRU area vector to update
+ */
int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
FruAreaVector& fruAreaVec)
{
@@ -401,7 +440,7 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
// Now walk the common header and see if the file size has atleast the last
// offset mentioned by the struct common_header. If the file size is less
- // than the offset of any if the fru areas mentioned in the common header,
+ // than the offset of any if the FRU areas mentioned in the common header,
// then we do not have a complete file.
for (uint8_t fruEntry = IPMI_FRU_INTERNAL_OFFSET;
fruEntry < (sizeof(struct common_header) - 2); fruEntry++)
@@ -414,7 +453,7 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
{
// Our file size is less than what it needs to be. +2 because we are
// using area len that is at 2 byte off areaOffset
- log<level::ERR>("fru file is incomplete",
+ log<level::ERR>("FRU file is incomplete",
entry("SIZE=%d", dataLen));
return rc;
}
@@ -425,11 +464,11 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
std::memcpy(areaHeader, &((uint8_t*)fruData)[areaOffset],
sizeof(areaHeader));
- // Size of this area will be the 2nd byte in the fru area header.
+ // Size of this area will be the 2nd byte in the FRU area header.
size_t areaLen = areaHeader[1] * IPMI_EIGHT_BYTES;
uint8_t areaData[areaLen] = {0};
- log<level::DEBUG>("Fru Data", entry("SIZE=%d", dataLen),
+ log<level::DEBUG>("FRU Data", entry("SIZE=%d", dataLen),
entry("AREA OFFSET=%d", areaOffset),
entry("AREA_SIZE=%d", areaLen));
@@ -437,7 +476,7 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
// from there, the actual len.
if (dataLen < (areaLen + areaOffset))
{
- log<level::ERR>("Incomplete Fru file",
+ log<level::ERR>("Incomplete FRU file",
entry("SIZE=%d", dataLen));
return rc;
}
@@ -449,7 +488,7 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
rc = verifyFruData(areaData, areaLen);
if (rc < 0)
{
- log<level::ERR>("Err validating fru area",
+ log<level::ERR>("Err validating FRU area",
entry("OFFSET=%d", areaOffset));
return rc;
}
@@ -468,10 +507,10 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
iter->setData(areaData, areaLen);
}
}
- } // If we have fru data present
+ } // If we have FRU data present
} // Walk struct common_header
- // Not all the fields will be populated in a fru data. Mostly all cases will
+ // Not all the fields will be populated in a FRU data. Mostly all cases will
// not have more than 2 or 3.
fruAreaVec.erase(
std::remove_if(fruAreaVec.begin(), fruAreaVec.end(), removeInvalidArea),
@@ -480,10 +519,14 @@ int ipmiPopulateFruAreas(uint8_t* fruData, const size_t dataLen,
return EXIT_SUCCESS;
}
-///---------------------------------------------------------
-// Validates the fru data per ipmi common header constructs.
-// Returns with updated struct common_header and also file_size
-//----------------------------------------------------------
+/**
+ * Validates the FRU data per ipmi common header constructs.
+ * Returns with updated struct common_header and also file_size
+ *
+ * @param[in] fruData - the FRU data
+ * @param[in] dataLen - the length of the data
+ * @return non-zero on failure
+ */
int ipmiValidateCommonHeader(const uint8_t* fruData, const size_t dataLen)
{
int rc = -1;
@@ -495,11 +538,11 @@ int ipmiValidateCommonHeader(const uint8_t* fruData, const size_t dataLen)
}
else
{
- log<level::ERR>("Incomplete fru data file", entry("SIZE=%d", dataLen));
+ log<level::ERR>("Incomplete FRU data file", entry("SIZE=%d", dataLen));
return rc;
}
- // Verify the crc and size
+ // Verify the CRC and size
rc = verifyFruData(commonHdr, sizeof(commonHdr));
if (rc < 0)
{
@@ -510,9 +553,6 @@ int ipmiValidateCommonHeader(const uint8_t* fruData, const size_t dataLen)
return EXIT_SUCCESS;
}
-///-----------------------------------------------------
-// Accepts the filename and validates per IPMI FRU spec
-//----------------------------------------------------
int validateFRUArea(const uint8_t fruid, const char* fruFilename,
sdbusplus::bus::bus& bus, const bool bmcOnlyFru)
{
@@ -541,7 +581,7 @@ int validateFRUArea(const uint8_t fruid, const char* fruFilename,
FILE* fruFilePointer = std::fopen(fruFilename, "rb");
if (fruFilePointer == NULL)
{
- log<level::ERR>("Unable to open fru file",
+ log<level::ERR>("Unable to open FRU file",
entry("FILE=%s", fruFilename),
entry("ERRNO=%s", std::strerror(errno)));
return cleanupError(fruFilePointer, fruAreaVec);
@@ -550,7 +590,7 @@ int validateFRUArea(const uint8_t fruid, const char* fruFilename,
// Get the size of the file to see if it meets minimum requirement
if (std::fseek(fruFilePointer, 0, SEEK_END))
{
- log<level::ERR>("Unable to seek fru file",
+ log<level::ERR>("Unable to seek FRU file",
entry("FILE=%s", fruFilename),
entry("ERRNO=%s", std::strerror(errno)));
return cleanupError(fruFilePointer, fruAreaVec);
@@ -564,7 +604,7 @@ int validateFRUArea(const uint8_t fruid, const char* fruFilename,
bytesRead = std::fread(fruData, dataLen, 1, fruFilePointer);
if (bytesRead != 1)
{
- log<level::ERR>("Failed reading fru data.",
+ log<level::ERR>("Failed reading FRU data.",
entry("BYTESREAD=%d", bytesRead),
entry("ERRNO=%s", std::strerror(errno)));
return cleanupError(fruFilePointer, fruAreaVec);
@@ -580,7 +620,7 @@ int validateFRUArea(const uint8_t fruid, const char* fruFilename,
return cleanupError(fruFilePointer, fruAreaVec);
}
- // Now that we validated the common header, populate various fru sections if
+ // Now that we validated the common header, populate various FRU sections if
// we have them here.
rc = ipmiPopulateFruAreas(fruData, dataLen, fruAreaVec);
if (rc < 0)
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