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Phase 1 of trying to clean up some messaging code.

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This commit is contained in:
Patrick LeBlanc
2019-02-11 18:08:18 -06:00
parent d792f78c25
commit b78cac755b
16 changed files with 123 additions and 104 deletions
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17
include/messageFormat.h
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@@ -20,14 +20,21 @@ namespace storagemanager
#pragma pack(push, 1)
struct sm_msg_header {
uint32_t type; // SM_MSG_{START,CONT,END}
uint32_t payloadLen;
uint32_t type; // SM_MSG_{START,CONT,END}
uint32_t payloadLen; // refers to the length of what follows the header
uint8_t flags; // see below for valid values
};
// current values for the flags field in sm_msg_header
static const uint8_t CONT = 0x1; // this means another message will follow as part of this request or response
struct sm_request {
sm_msg_header header;
uint8_t payload[];
};
struct sm_msg_resp {
uint32_t type;
uint32_t payloadLen;
struct sm_response {
sm_msg_header header;
int32_t returnCode; // if < 0 it indicates an error, and payload contains a 4-byte errno value
uint8_t payload[];
};