c++函数转c#函数示例程序分享
using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.runtime.interopservices;
using system.windows.forms;
namespace fdep
{
/// <summary>
/// 罗旭成
/// 深证通函数转换
/// </summary>
public class importdll
{
#region * 常量定义
//*****************************************************************
//协议类型常量
//名称 定义值 说明
//mr_protocoltype_mrstandand 0x01 fdep规定的标识业务协议
//mr_protocoltype_selfcustom 0xff 用户自定义协议类型
/// <summary>
/// 协议类型常量
/// </summary>
public const uint mr_protocoltype_mrstandand = 0x01; // sbsp标准业务协议。
public const uint mr_protocoltype_selfcustom = 0xff; // 用户自定义协议类型。
//*****************************************************************
//消息标识位常量
//名称 定义值 说明
//mr_msgflag_persist 0x01 持久消息标志，用于可靠传输。目前暂不支持
//mr_msgflag_compress 0x02 压缩标志，需进行压缩传输
/// <summary>
/// 消息标志位常量
/// </summary>
public const uint mr_msgflag_persist = 0x01; // 持久消息标志，用于可靠传输。
public const uint mr_msgflag_compress = 0x02; // 压缩标志，需进行压缩传输。
//*****************************************************************
//长度常量
//名称 定义值 说明
//mr_maxlen_addr 64 用户标识及应用标识的最大长度
//mr_maxlen_pkgid 64 消息包标识的最大长度
//mr_maxlen_userdata 256 用户保留数据的最大长度
//mr_fixlen_expiredabstime 20 过期绝对时间固定长度
/// <summary>
/// 消息标志位常量
/// </summary>
public const int mr_maxlen_addr = 64; // 用户标识及应用标识的最大长度。
public const int mr_maxlen_pkgid = 64; // 消息包标识的最大长度。
public const int mr_maxlen_userdata = 256; // 用户保留数据的最大长度。
public const int mr_fixlen_expiredabstime = 20; // 过期绝对时间固定长度。
//*****************************************************************
//函数返回错误值
//mr_errcode_ok 0
//mr_errcode_paramerr -1
//mr_errcode_connerr -2
//mr_errcode_timeexpired -3
//mr_errcode_timeout -4
//mr_errcode_nomsg -5
//mr_errcode_buftooshort -6
//mr_errcode_buftoobig -7
//mr_errcode_syserror -8
#endregion
#region * 结构体的定义
/// <summary>
/// 用来表示一条消息的各种属性
/// </summary>
[structlayout(layoutkind.sequential)]
public struct stusgproperty
{
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_addr)]
public string m_szsourceuserid;//mr_maxlen_addr 源用户标识，以“\0”结尾的字符串
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_addr)]
public string m_szsourceappid;//mr_maxlen_addr 源应用标识，以“\0”结尾的字符串
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_addr)]
public string m_szdestuserid;//mr_maxlen_addr 目的用户标识，以“\0”结尾的字符串
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_addr)]
public string m_szdestappid;//mr_maxlen_addr 目的应用标识，以“\0”结尾的字符串
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_pkgid)]
public string m_szpkgid;//mr_maxlen_pkgid 消息包的包标识，以“\0”结尾的字符串，或者由用户调用mrcreatepkgid函数生成，或者为空(即'\0')
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_pkgid)]
public string m_szcorrpkgid;//mr_maxlen_pkgid 相关包标识，以“\0”结尾的字符串，供用户自用
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_userdata)]
public string m_szuserdata1;//mr_maxlen_userdata 用户数据1，以“\0”结尾的字符串，供用户自用
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_maxlen_userdata)]
public string m_szuserdata2;//mr_maxlen_userdata 用户数据2，以“\0”结尾的字符串，供用户自用
[marshalas(unmanagedtype.byvaltstr, sizeconst = mr_fixlen_expiredabstime)]
public string m_szexpiredabstime;//mr_fixlen_expiredabstime 该消息的过期时间，以“\0”结尾的字符串，格式为“yyyy-mm-dd hh:mm:ss”。也可以置空，此时如果目的用户不在线，或者目的应用未连接，则消息立即过期。
public byte m_ucflag;//消息标识，有8个二进制位组成，各位含义如下:位0 --为1表示持久消息，需可靠传输，暂不支持；
//位1 --为1表示消息需压缩传输
public byte m_ucprotocoltype;//协议类型标识，取值可以是下列之一:mr_protocoltype_mrstandand 0x01 fdep规定的标准业务协议
//mr_protocoltype_selfcustom 0xff 用户自定义协议类型
}
/// <summary>
/// 用来定义与接入客户端建立连接所需的各种信息
/// </summary>
[structlayout(layoutkind.sequential)]
public struct stuconninfo
{
[marshalas(unmanagedtype.byvaltstr, sizeconst = 16)]
public string m_szmrip;//接入客户端消息路由器的ip地址，以"\0"结尾的字符串，格式为“xxx.xxx.xxx.xxx”
public uint16 m_usmrport;//接入客户端消息路由器的连接端口
[marshalas(unmanagedtype.byvaltstr, sizeconst = 16)]
public string m_szmripbak;//备用消息路由器的ip地址，不设置备用消息路由器时可以为空
public uint16 m_usmrportbak;//备用消息路由器的连接端口，不设置备用消息路由器时可以为0
}
#endregion
#region * 函数的定义
/// <summary>
/// 定义的回调函数
/// </summary>
/// <param name="pspkg">要发送的消息包缓冲区</param>
/// <param name="ipkglen">缓冲区中的消息包长度</param>
/// <param name="pmsgpropery">消息包属性</param>
/// <param name="pvuserdata">供回调函数使用的用户数据</param>
/// <returns></returns>
[unmanagedfunctionpointerattribute(callingconvention.stdcall)]
public delegate int onreceivecallback(string pspkg, int ipkglen, ref stusgproperty pmsgpropery, intptr pvuserdata);
//typedef int (*onreceivecallback)(const char* pspkg, int ipkglen, const stumsgproperty* pmsgpropery, void* pvuserdata);
/// <summary>
/// 1.初始化，获取相关资源，并尝试与接入客户端fdap建立连接
/// </summary>
/// <param name="psappid">本应用的应用标识</param>[in]
/// <param name="pspasswd">本应用在接入客服端设置的密码，密码必须与预设的匹配才能继续</param>[in]
/// <param name="onreceive">接收到消息包时的回调函数</param>[in]
/// <param name="oconninfo">接入客户端连接信息</param>[in]
/// <param name="pvuserdata">供回调函数使用的用户数据</param>[in]
/// <returns>null 初始化失败 非null 初始化成功，返回一个连接句柄，给句柄将作为其他函数调用的参数</returns>
[dllimport("mrapi.dll", entrypoint = "mrinit", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrinit(string psappid, string pspasswd, onreceivecallback onreceive, stuconninfo oconninfo, intptr pvuserdata);
//void* _stdcall mrinit(const char* psappid, const char* psapppasswd,onreceivecallback onreceive,const stuconninfo oconninfo, void* pvuserdata);
/// <summary>
/// 2.初始化，获取相关资源，并尝试与接入客户端fdap建立连接
/// </summary>
/// <param name="psusercertid">本应用的用户标识</param>[in]
/// <param name="psappid">本应用的应用标识</param>[in]
/// <param name="pspasswd">本应用在接入客服端设置的密码，密码必须与预设的匹配才能继续</param>[in]
/// <param name="onreceive">接收到消息包时的回调函数</param>[in]
/// <param name="oconninfo">接入客户端连接信息</param>[in]
/// <param name="pvuserdata">供回调函数使用的用户数据</param>[in]
/// <returns>null 初始化失败 非null 初始化成功，返回一个连接句柄，给句柄将作为其他函数调用的参数</returns>
[dllimport("mrapi.dll", entrypoint = "mrinit1", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrinit1(string psusercertid, string psappid, string pspasswd, onreceivecallback onreceive, stuconninfo oconninfo, intptr pvuserdata);
/// <summary>
/// 3.连接fdap时的初始化函数。该函数对fdeapi进行初始化，分配获取相关资源，并尝试与接入客户端建立通信连接
/// </summary>
/// <param name="phandle">函数返回的句柄，该句柄将作为其他函数调用的参数</param>[out]
/// <param name="psusercertid">本应用的用户标识</param>[in]
/// <param name="psappid">本应用的应用标识</param>[in]
/// <param name="pspasswd">本应用在接入客户端设置的密码，密码必须与预设的匹配才能继续</param>[in]
/// <param name="pmsgproperty">消息包属性</param>[in]
/// <param name="onreceive">接收到消息包时的回调函数</param>[in]
/// <param name="oconninfo">接入客户端连接信息</param>[in]
/// <param name="pvuserdata">供回调函数使用的用户数据</param>[in]
/// <param name="ithreadcount">调用回头函数onreceive的线程数目</param>[in]
/// <returns>无</returns>
[dllimport("mrapi.dll", entrypoint = "mrinit1ex1", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrinit1ex1(out intptr phandle, string psusercertid, string psappid, string pspasswd, ref stusgproperty pmsgproperty, onreceivecallback onreceive, stuconninfo oconninfo, intptr pvuserdata, int ithreadcount);
/// <summary>
/// 4.连接fdap时的初始化函数。该函数对fdeapi进行初始化，分配获取相关资源，并尝试与接入客户端建立通信连接
/// </summary>
/// <param name="phandle">函数返回的句柄，该句柄将作为其他函数调用的参数</param>[out]
/// <param name="psappid">本应用的应用标识</param>[in]
/// <param name="pspassws">本应用在接入客户端设置的密码，密码必须与预设的匹配才能继续</param>[in]
/// <param name="ponrecvmsgpropery">这是回调函数onreceive的接收条件，如果不需要任何条件，则可以填null</param>[in]
/// <param name="onreceive">接收到消息包时的回调函数</param>[in]
/// <param name="pconninfo">接入客户端连接信息</param>[in]
/// <param name="pvuserdata">供回调函数使用的用户数据</param>[in]
/// <param name="ithreadcount">调用回头函数onreceive的线程数目</param>
/// <returns>无</returns>
[dllimport("mrapi.dll", entrypoint = "mrinit2", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrinit2(out intptr phandle, string psappid, string pspassws, ref stusgproperty ponrecvmsgpropery, onreceivecallback onreceive, ref stuconninfo pconninfo, intptr pvuserdata, int ithreadcount);
//void* _stdcall mrinit2(void** pphandle, const char* psappid, const char* psapppasswd, stumsgproperty* ponrecvmsgpropery,onreceivecallback onreceive,const stuconninfo* pconninfo, void* pvuserdata, int ithreadcount);
/// <summary>
/// 5.判断与交换中枢的连接是否正常
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>
/// <returns>0不正常 1正常</returns>
[dllimport("mrapi.dll", entrypoint = "mrislinkok", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrislinkok(intptr phandle);
//int _stdcall mrislinkok(void* phandle)
/// <summary>
/// 6.消息包标识生成函数
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="szpkgid">生成的消息包标识</param>[out]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrcreatepkgid", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrcreatepkgid(intptr phandle, stringbuilder szpkgid);
//int _stdcall mrcreatepkgid(void* phandle,char szpkgid[mr_maxlen_pkgid])
/// <summary>
/// 7.消息包发送函数
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="pspkg">要发送的消息包缓冲区</param>[in]
/// <param name="ipkglen">缓冲区中的消息包长度</param>[in]
/// <param name="pmsgpropery">消息包属性</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrsend", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrsend(intptr phandle, string pspkg, int ipkglen, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrsend(void* phandle,const char* pspkg,int ipkglen,stusgproperty* pmsgpropery,int imillsectimeo);
/// <summary>
/// 8.消息包接收函数1
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="ppspkg">双指针，返回包所指向的内存</param>[out]
/// <param name="pioutpkglen">接收到消息包的实际长度</param>[out]
/// <param name="pmsgpropery">接收条件</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrreceive1", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrreceive1(intptr phandle, out intptr ppspkg, out int pioutpkglen, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrreceive1(void* phandle, char** ppspkg, int* pioutpkglen, stumsgproperty* pmsgpropery, int imillsectimeo);
/// <summary>
/// 9.消息包内存释放函数
/// </summary>
/// <param name="pspkg">由mrreceivel1函数的第二个参数返回的指针</param>[in]
/// <returns>无</returns>
[dllimport("mrapi.dll", entrypoint = "mrreceive1_freebuf", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrreceive1_freebuf(string pspkg);
//void _stdcall mrreceive1_freebuf(char* pspkg);
/// <summary>
/// 10.消息包浏览函数
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="pioutpkglen">接收到消息包的实际长度</param>[out]
/// <param name="pmsgpropery">接收条件</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrbrowse", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrbrowse(intptr phandle, out int pioutpkglen, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrbrowse(void* phandle, int* pioutpkglen, stumsgproperty* pmsgpropery, int imillsectimeo);
/// <summary>
/// 11.消息包接收函数2
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="ppspkg">双指针，返回包所指向的内存</param>[out]
/// <param name="pioutpkglen">接收到消息包的实际长度</param>[out]
/// <param name="ibuflenin">消息包缓冲区大小</param>[out]
/// <param name="pmsgpropery">接收条件</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrreceive2", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrreceive2(intptr phandle, out intptr ppspkg, out int pioutpkglen, out int ibuflenin, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrreceive2(void* phandle, char** ppspkg, int* pioutpkglen, int* ibuflenin, stumsgproperty* pmsgpropery, int imillsectimeo);
/// <summary>
/// 12.消息包接收函数3
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="ppspkg">双指针，返回包所指向的内存</param>[out]
/// <param name="pioutpkglen">接收到消息包的实际长度</param>[out]
/// <param name="pierrsxcode">交换错误的原因码</param>[out]
/// <param name="pmsgpropery">接收条件</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrreceive3", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrreceive3(intptr phandle, out intptr ppspkg, out int pioutpkglen, out int pierrsxcode, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrreceive3(void* phandle, char** ppspkg, int* pioutpkglen, int* pierrsxcode, stumsgproperty* pmsgpropery, int imillsectimeo);
/// <summary>
/// 13.消息包接收函数4
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>[in]
/// <param name="ppspkg">双指针，返回包所指向的内存</param>[out]
/// <param name="pioutpkglen">接收到消息包的实际长度</param>[out]
/// <param name="pierrsxcode">交换错误的原因码</param>[out]
/// <param name="pmsgpropery">接收条件</param>[in/out]
/// <param name="imillsectimeo">以毫米为单位的接收最大超时时间</param>[in]
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrreceive4", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrreceive4(intptr phandle, out intptr ppspkg, out int pioutpkglen, out int pierrsxcode, ref stusgproperty pmsgpropery, int imillsectimeo);
//int _stdcall mrreceive4(void* phandle, char** ppspkg, int* pioutpkglen, int* pierrsxcode, stumsgproperty* pmsgpropery, int imillsectimeo);
/// <summary>
/// 14.释放资源
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值</param>
/// <returns>无</returns>
[dllimport("mrapi.dll", entrypoint = "mrdestroy", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern intptr mrdestroy(intptr phandle);
//void _stdcall mrdestroy(void* phandle)
/// <summary>
/// 15.取得本api的版本号
/// </summary>
/// <param name="psbufversion">返回的版本号</param>
/// <param name="ibuflen">版本号长度</param>
/// <returns>无</returns>
[dllimport("mrapi.dll", entrypoint = "mrgetversion", callingconvention = callingconvention.stdcall, charset = charset.ansi)]
public static extern intptr mrgetversion(stringbuilder psbufversion, int ibuflen);
//void _stdcall mrgetversion(char* psbufversion,int ibuflen);
/// <summary>
/// 16.注册包下推条件
/// </summary>
/// <param name="phandle">连接句柄，调用mrinit时返回的值<</param>
/// <param name="pmsgpropery">消息的结构实体</param>
/// <param name="itype">0 增加一个条件 1 删除一个条件 2 清空所有条件</param>
/// <returns>0 成功 其他 失败</returns>
[dllimport("mrapi.dll", entrypoint = "mrregrecvcondition", callingconvention = callingconvention.stdcall, setlasterror = true, charset = charset.ansi)]
public static extern int mrregrecvcondition(intptr phandle, ref stusgproperty pmsgpropery, int itype);
//int _stdcall mrregrecvcondition(void* phandle,stumsgproperty* pmsgpropery,int itype);
#endregion
}
}