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22 * @file scalarproduct.h
23 * @brief Scalar Product Message Types
24 * @author Christian M. Fuchs
26 * Created on September 2, 2013, 3:43 PM
29 #ifndef SCALARPRODUCT_H
30 #define SCALARPRODUCT_H
37 GNUNET_NETWORK_STRUCT_BEGIN
40 * Log an error message at log-level 'level' that indicates
41 * a failure of the command 'cmd' with the message given
42 * by gcry_strerror(rc).
44 #define LOG_GCRY(level, cmd, rc) do { LOG(level, _("`%s' failed at %s:%d with error: %s\n"), cmd, __FILE__, __LINE__, gcry_strerror(rc)); } while(0)
48 * Message type passed from client to service
49 * to initiate a request or responder role
51 struct ComputationMessage
54 * GNUNET message header
56 struct GNUNET_MessageHeader header;
59 * how many elements the vector in payload contains
61 uint32_t element_count_total GNUNET_PACKED;
64 * contained elements the vector in payload contains
66 uint32_t element_count_contained GNUNET_PACKED;
71 uint32_t reserved GNUNET_PACKED;
74 * the transaction/session key used to identify a session
76 struct GNUNET_HashCode session_key;
79 * the identity of a remote peer we want to communicate with
81 struct GNUNET_PeerIdentity peer;
84 * followed by struct GNUNET_SCALARPRODUCT_Element[]
90 * multipart messages following `struct ComputationMessage`
92 struct ComputationMultipartMessage
95 * GNUNET message header
97 struct GNUNET_MessageHeader header;
100 * contained elements the vector in payload contains
102 uint32_t element_count_contained GNUNET_PACKED;
105 * followed by struct GNUNET_SCALARPRODUCT_Element[]
111 * Message type passed from service client
112 * to finalize a session as requester or responder
114 struct ClientResponseMessage
117 * GNUNET message header
119 struct GNUNET_MessageHeader header;
122 * 0 if no product attached
124 uint32_t product_length GNUNET_PACKED;
127 * status information about the outcome of this session
129 int32_t status GNUNET_PACKED;
132 * Workaround for libgcrypt: -1 if negative, 0 if zero, else 1
134 int32_t range GNUNET_PACKED;
137 * followed by product of length product_length (or nothing)
141 GNUNET_NETWORK_STRUCT_END
147 #endif /* SCALARPRODUCT_H */