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83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/*
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* Compatibility for AxTLS with LWIP raw tcp mode (http://lwip.wikia.com/wiki/Raw/TCP)
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*
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* Created on: Jan 15, 2016
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* Author: Slavey Karadzhov
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*/
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#ifndef LWIPR_COMPAT_H
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#define LWIPR_COMPAT_H
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#include <stdint.h>
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/*
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* All those functions will run only if LWIP tcp raw mode is used
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*/
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#if LWIP_RAW==1
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#include "lwip/tcp.h"
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#include "ssl/ssl.h"
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#include "ssl/tls1.h"
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#define ERR_AXL_INVALID_SSL -101
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#define ERR_AXL_INVALID_TCP -102
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#define ERR_AXL_INVALID_CLIENTFD -103
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#define ERR_AXL_INVALID_CLIENTFD_DATA -104
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#define SOCKET_READ(A, B, C) ax_port_read(A, B, C)
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#define SOCKET_WRITE(A, B, C) ax_port_write(A, B, C)
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/*
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* Define the AXL_DEBUG function to add debug functionality
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*/
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#ifndef AXL_DEBUG
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#define AXL_DEBUG printf
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#endif
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typedef struct {
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struct tcp_pcb *tcp;
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struct pbuf *tcp_pbuf;
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int pbuf_offset;
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} AxlTcpData;
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typedef struct {
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int size; /* slots used so far */
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int capacity; /* total available slots */
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AxlTcpData *data; /* array of TcpData objects */
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} AxlTcpDataArray;
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AxlTcpDataArray axlFdArray;
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/*
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* High Level Functions - these are the ones that should be used directly
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*/
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void axl_init(int capacity);
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int axl_append(struct tcp_pcb *tcp);
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#define axl_ssl_write(A, B, C) ssl_write(A, B, C)
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int axl_ssl_read(SSL *sslObj, uint8_t **in_data, struct tcp_pcb *tcp, struct pbuf *p);
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/*
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* Lower Level Socket Functions - used internally from axTLS
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*/
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int ax_port_write(int clientfd, uint8_t *buf, uint16_t bytes_needed);
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int ax_port_read(int clientfd, uint8_t *buf, int bytes_needed);
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/*
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* Lower Level Utility functions
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*/
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void ax_fd_init(AxlTcpDataArray *vector, int capacity);
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int ax_fd_append(AxlTcpDataArray *vector, struct tcp_pcb *tcp);
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AxlTcpData* ax_fd_get(AxlTcpDataArray *vector, int index);
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int ax_fd_getfd(AxlTcpDataArray *vector, struct tcp_pcb *tcp);
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void ax_fd_set(AxlTcpDataArray *vector, int index, struct tcp_pcb *tcp);
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void ax_fd_double_capacity_if_full(AxlTcpDataArray *vector);
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void ax_fd_free(AxlTcpDataArray *vector);
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#endif
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#endif /* LWIPR_COMPAT_H */
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